CN205712775U - A kind of grout sleeve and prefabricated component - Google Patents
A kind of grout sleeve and prefabricated component Download PDFInfo
- Publication number
- CN205712775U CN205712775U CN201620364936.7U CN201620364936U CN205712775U CN 205712775 U CN205712775 U CN 205712775U CN 201620364936 U CN201620364936 U CN 201620364936U CN 205712775 U CN205712775 U CN 205712775U
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- sleeve
- sleeve body
- grout
- reinforcing bar
- inwall
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- 239000011440 grout Substances 0.000 title claims abstract description 65
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 78
- 238000004873 anchoring Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 62
- 239000010959 steel Substances 0.000 claims description 62
- 239000002002 slurry Substances 0.000 claims description 16
- 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 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000003032 molecular docking Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000010276 construction Methods 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 238000005429 filling process Methods 0.000 description 4
- 239000008267 milk Substances 0.000 description 4
- 210000004080 milk Anatomy 0.000 description 4
- 235000013336 milk Nutrition 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement 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
- 210000001503 joint Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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Abstract
The 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 exhaust outlet, the one end open of described sleeve body, the other end is for connecting end, and the internal diameter of described sleeve body is tapered into connecting end by openend, and the inwall of described sleeve body is by the inside corrugated extension in openend.The utility model can realize reinforcing bar axially control and radially positioning accurately, it is ensured that the positioning precision between reinforcing bar and grout sleeve；Use undulatory inwall, on the one hand, owing to end radially connected in sleeve body tapers into, it is unfavorable for that grouting material flows to connecting end, and undulatory inwall can ensure that grouting material plays the role of enough flowing spaces and water conservancy diversion grouting material, can effectively improve Grouted density, on the other hand, the concavity and convexity of inwall can be effectively increased, and then increase the snap-in force between grouting material and sleeve, improve the anchoring strength of reinforcing bar.
Description
Technical field
The utility model belongs to building engineering field, particularly relates to a kind of grout sleeve and prefabricated component.
Background technology
In traditional cast-in-place concrete structure, the connection of reinforcing bar, using overlap joint to connect, be welded to connect or 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 to be in the milk
Connect, in two connected reinforcing bars are inserted metal sleeve and in the space between sleeve and reinforcing bar, irrigate height
Performance cement mortar, after cement mortar hardening, mutual build-in between three thus the connection that realizes 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.The effect that above-mentioned sleeve adds a conical pipe and plays 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 on the same line, even cannot be extend into sleeve by reinforcing bar to be connected
The inside, existing defects in stress.
In sum, a kind of axially control being capable of reinforcing bar of exploitation and radial direction positioning are needed badly, it is ensured that reinforcing bar
And the positioning precision between grout sleeve, reasonable stress, can effectively improve the grouting set of Grouted density simultaneously
Cylinder.
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, the filling of Grouted density can be effectively improved simultaneously
Slurry sleeve, 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 exhaust outlet, the one end open of described sleeve body, and the other end is for connecting end；
The internal diameter of described sleeve body is tapered into connecting end by openend, and the inwall of described sleeve body is by opening
Hold inside corrugated extension.It should be strongly noted that owing to the inwall of sleeve body is corrugated, therefore
The internal diameter of sleeve body is not to diminish by openend to connecting end always, sleeve body described herein interior
Footpath is tapered into by openend refer on overall trend to connecting end, its internal diameter by openend to connect end by
Gradual change is little, and is not properly suited for the internal diameter change of the local of sleeve body, and reflection is the interior of sleeve body
Footpath overall variation trend.It in the manufacturing process of prefabricated component, is embedded in grout sleeve in prefabricated component in advance, sleeve
The connection end of body is connected with embedded bar, and the openend of sleeve body, towards connection outside prefabricated component, is carrying out steel
During muscle docking, reinforcing bar stretches to sleeve body inner chamber from the openend of sleeve body, due in sleeve body
Footpath is tapered into connecting end by openend, and after reinforcing bar enters inner chamber, steel bar end is at sleeve body inwall
Move to connecting end under constraint, 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 positioning, it is ensured that reinforcing bar with
Positioning precision between grout sleeve, under preferable case, i.e. connects the inner chamber in sleeve body for the central point of end
Center line on when, can make docking reinforcing bar on the same line, reasonable mechanical；Reinforcing bar can be made to be positioned at simultaneously
The central part of inner chamber, so after grouting, the thickness of the grouting material of reinforcing bar surrounding keeps consistent, improves grouting close
Solidity, increases the bond stress to reinforcing bar for the grouting material.It is pointed out that to reach preferably technique effect,
Described sleeve body should be slightly larger than the diameter of reinforcing bar at the internal diameter of exhaust outlet section；Those skilled in the art should
Understanding, exhaust outlet section described herein refers to the length field that exhaust outlet upwards takies in sleeve body lumen shaft
Between.Use undulatory inwall, on the one hand, owing to end radially connected in sleeve body tapers into, no
Be beneficial to grouting material to connect end flowing, and undulatory inwall can ensure grouting material have enough flowing spaces with
And the effect of water conservancy diversion grouting material, Grouted density can be effectively improved, on the other hand, inwall can be effectively increased
Concavity and convexity, and then increase the snap-in force between grouting material and sleeve, improve the anchoring strength of reinforcing bar.
Further, the bottom of described sleeve body openend inner chamber is provided with annular protrusion.Due to sleeve body
Interior radially connected end tapers into, and during grouting, grouting material is easily first to open outer end overflow, at sleeve
The bottom of body open end inner chamber arranges annular protrusion, so plays certain barrier effect to grouting material, makes
Obtain grouting material and can improve Grouted density first smoothly to sleeve body internal flow.
Further, the inwall of described sleeve body offers annular groove in exhaust outlet section.It is arranged such, can
Sleeve body is significantly increased at the internal diameter of exhaust outlet section, with ensure grouting material to connect endwall flow when have
Enough flowing spaces, it is ensured that grouting material fills whole inner chamber, improve Grouted density, and this part fills simultaneously
The thickness of slurry increases, and increases the bond stress to reinforcing bar for the grouting material, forms one section and strengthens district.In addition, when filling
After sizing material forming, forming the grout blanket consistent with cavity shape in the inner chamber of sleeve body, i.e. grout blanket is at ring
Diameter at connected in star more than the diameter of sleeve body openend, adds the anti-shearing of joint portion in sleeve
The ability of power and tensile strength, therefore the globality of binding site is more preferable.
Further, at described annular groove, the interior radially connected end of inner chamber becomes larger.It is arranged such, favorably
In guiding grouting material to connection endwall flow, it is ensured that enough flowing spaces, improve Grouted density, simultaneously
The thickness of this part grouting material increases, and forms one section and strengthens district, increases the bond stress to reinforcing bar for the grouting material.
Further, the inwall of described sleeve body is provided with steel lobe.It is whole that the setting of steel lobe increases sleeve body
Body rigidity, on the premise of meeting rigidity, can suitably reduce sleeve body wall thickness, save material.Exist simultaneously
Reduce wall thickness in the case that external diameter is identical, add grouting material so that be in the milk more closely knit, reinforcing bar and sleeve
The overall adhesive property of body is higher.Additionally, the slurry pouring into formed in sleeve body empty with in sleeve and
The lock solid structure that steel lobe matches, is greatly improved the anchorage reliability of reinforcing bar.Preferably steel lobe setting direction
Consistent with inner chamber axial direction.It should be appreciated that described steel lobe can be and the shaping of sleeve body one-piece casting,
May also be cutting processing shaping, it is also possible to be work progress to be arranged in sleeve body inner chamber, with sleeve originally
Body is flexibly connected.Certainly, steel lobe arrange position with grouting mouth and steam vent set by position not overlapping.
Further, the inwall of described sleeve body sets the steel lobe of more than two lobes, it is preferable that described sleeve body
Inwall on be arranged with 3 lobes or 4 lobe steel lobes.The setting of the steel lobe lobe number mainly size according to sleeve body
Depending on, steel lobe can use the lobe number such as two lobes, three lobes so that the regulation space of sleeve body is bigger.
Further, between described steel lobe, the distance of the inner chamber circumference along sleeve body is less than the straight of reinforcing bar to be connected
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 the setting of stock tank on the one hand
Ensure that grouting material has enough flowing spaces when 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 bond stress to reinforcing bar for the grouting material.
Further, described cross slurry hole or lead circumferentially disposed along sleeve of stock tank.So, by crossing slurry hole or leading
Gap between steel lobe is connected by stock tank.
Further, described steel lobe is helical form.Steel lobe uses spiral, it is possible to increase between itself and grouting material
Snap-in force, guides grouting material to flow in sleeve body simultaneously to a certain extent, effectively improves Grouted density.
Further, described steel lobe is provided with groove or projection.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 snap-in force between itself and grouting material,
Make power transmission between reinforcing bar and sleeve more uniform.It should be appreciated that described groove or projection can be arranged on steel
On the sidewall of lobe and/or inwall, described groove or projection can be horizontal, vertical or annular is arranged.If opened
If groove, the middle part of steel lobe sidewall or sidewall can be provided near one end of sleeve body wall, especially
Groove is opened in steel lobe sidewall near one end of sleeve body wall, it is possible to increase the grouting space of grouting material, and
Increase the contact area of steel lobe, sleeve lining and grouting material simultaneously.
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 openend 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 openend spilling.During use, first will
Reinforcing bar passes through the jack hole on closing device, seals after the docking completing 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 the phenomenon of backing down closing device occurs.
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 sleeve body and the company of the two
Connect.
Further, described closing device is lock sleeve, and described lock sleeve is interior with described sleeve body openend
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, owing to the internal diameter of sleeve body is tapered into connecting end by openend,
Cause lock sleeve generation elastic deformation, and then reinforcing bar being pinned tightly, can make reinforcing bar in filling process not
Swinging.
Further, the end of described lock sleeve offers otch.It is arranged such, beneficially lock sleeve generation shape
Become.It 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, increase grouting sky
Between while increase the snap-in force between sleeve body inwall and grouting material, 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, add sleeve body
With the contact area of concrete, increase the anchor force between grout sleeve and concrete.
Further, the openend of described sleeve body is arranged to angle.It is arranged such, increase openend inner chamber
Diameter, angle can also play guide effect simultaneously, and the beneficially insertion of reinforcing bar achieves a butt joint.
For reaching above-mentioned purpose, the utility model also provides a kind of prefabricated component, 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.
Brief description
Constitute a part of accompanying drawing of the present utility model to be further appreciated by of the present utility model for providing, this
The schematic description and description of utility model is used for explaining the utility model, is not intended that to this practicality new
The improper restriction of type.
Fig. 1～5 are respectively the front section view of the grout sleeve involved by a kind of embodiment of the utility model；
Fig. 6～9 are respectively section on the right side of the connection end of the grout sleeve involved by a kind of embodiment of the utility model
Figure；
Figure 10 is the front section view of the grout sleeve involved by the utility model another embodiment；
Figure 11 and 12 is respectively on the right side of the connection end of the grout sleeve involved by the utility model another embodiment
Profile；
Figure 13 and 14 is respectively the openend section of the grout sleeve involved by the utility model another embodiment
Figure；
Figure 15 is the front section view of the grout sleeve involved by the utility model another embodiment；
Figure 16 is the structural representation of the lock sleeve involved by a kind of embodiment of the utility model；
Figure 17 is the preform structure schematic diagram involved by a kind of embodiment of the utility model；
Figure 18 is the prefabricated component mated condition schematic diagram involved by a kind of embodiment of the utility model.
In figure:
1 sleeve body 2 is in the milk mouth 3 exhaust outlet 4 openend
5 connection end 6 annular protrusion 7 annular groove 8 steel lobes
9 cross slurry hole 10 inner chamber 11 steel lobe inwall 13 reinforcing bar
Protruding 16 groove 17 closing devices of 14 grouting materials 15
18 lock sleeve 19 jack hole 20 otch 21 prefabricated components
22 embedded bars
Detailed description of the invention
Being described in detail the utility model below in conjunction with the accompanying drawings, the description of this part is only exemplary 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.
The utility model embodiment is as follows, with reference to Fig. 1, and a kind of grout sleeve, including sleeve body 1, described
Sleeve body 1 is provided with grouting mouth 2 and exhaust outlet 3, the one end open of described sleeve body 1, the other end
For connecting end 5；The internal diameter of described sleeve body 1 is tapered into connecting end 5 by openend 4, described set
The inwall of cylinder body 1 is by the inside corrugated extension in openend 4.It should be strongly noted that due to sleeve
Body 1 inwall is corrugated, thus the internal diameter of sleeve body 1 by openend 4 to connect end 5 be not always
Diminishing, the internal diameter of sleeve body 1 described herein is tapered into by openend 4 and refers to whole to connecting end 5
In body trend, its internal diameter is tapered into connecting end 5 by openend 4, and is not properly suited for sleeve body
The internal diameter change of the local of 1, reflection is the overall variation trend of internal diameter of sleeve body 1.Grout sleeve
During application, in the manufacturing process of prefabricated component 21, being embedded in grout sleeve in advance in prefabricated component 21, sleeve is originally
The connection end 5 of body 1 is connected with embedded bar 22, and the openend 4 of sleeve body 1 connects outside prefabricated component 21
Logical, carry out reinforcing bar 13 dock when, reinforcing bar 13 stretches to sleeve body from the openend 4 of sleeve body 1
1 inner chamber 10, owing to the internal diameter of sleeve body 1 is tapered into connecting end 5 by openend 4, reinforcing bar 13
After entering inner chamber 10, reinforcing bar 13 termination is moved to connection end 5 under the constraint of sleeve body 1 inwall, directly
It is connected to the end of reinforcing bar 13 with being connected end 5, so, in the docking operation of reinforcing bar 13, sleeve body
1 can realize accurate axially control to reinforcing bar 13, it is achieved radially positioning, it is ensured that reinforcing bar 13 and grouting set
Positioning precision between Tong, under preferable case, i.e. connects the inner chamber 10 in sleeve body 1 for the central point of end 5
Center line on when, can make docking reinforcing bar 13 on the same line, reasonable mechanical；Reinforcing bar can be made simultaneously
13 central parts being positioned at inner chamber 10, so after grouting, the thickness of the grouting material 14 of reinforcing bar 13 surrounding keeps
Unanimously, improve Grouted density, increase the bond stress to reinforcing bar 13 for the grouting material 14.It is pointed out that
In order to reach preferably technique effect, described sleeve body 1 should be slightly larger than steel at the internal diameter of exhaust outlet 3 sections
The diameter of muscle 13；It will be appreciated by those skilled in the art that exhaust outlet described herein 3 sections refers to exhaust outlet
3 length of interval taking on sleeve body 1 inner chamber 10 is axial.Use undulatory inwall, on the one hand,
It owing to end 5 radially connected in sleeve body 1 tapers into, is unfavorable for that grouting material 14 flows to connecting end 5,
And undulatory inwall can ensure that grouting material 14 plays the role of enough flowing spaces and water conservancy diversion grouting material 14,
Grouted density can be effectively improved, on the other hand, the concavity and convexity of inwall can be effectively increased, and then increase grouting
Snap-in force between material 14 and sleeve, 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. 2, described sleeve body 1
The bottom of openend 4 inner chamber 10 is provided with annular protrusion 6.Due to end 5 radially connected in sleeve body 1 by
Gradual change is little, and during grouting, grouting material 14 is easily first to open outer end overflow, in sleeve body 1 openend
The bottom of 4 inner chambers 10 arranges annular protrusion 6, so plays certain barrier effect to grouting material 14 so that
Grouting material 14 can improve Grouted density first smoothly to sleeve body 1 internal flow.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 3, described sleeve body 1
Inwall offer annular groove 7 exhaust outlet 3 sections.It is arranged such, sleeve body 1 can be made in exhaust
The internal diameter of 3 sections of mouth significantly increases, to ensure that grouting material 14 has enough flowings empty when 5, end of connection flows
Between, it is ensured that grouting material 14 fills whole inner chamber 10, improves Grouted density, simultaneously this part grouting material 14
Thickness increase, increase the bond stress to reinforcing bar 13 for the grouting material 14, is formed one section reinforcement district.In addition, work as
After grouting material 14 shaping, in the inner chamber 10 of sleeve body 1, form the grout blanket consistent with inner chamber 10 shape,
I.e. diameter at annular groove 7s for the grout blanket is more than the diameter of sleeve body 1 openend 4, adds sleeve
The ability of the anti-shearing force of interior joint portion 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. 4, described annular groove 7
The interior radially connected end 5 of place's inner chamber 10 becomes larger.It is arranged such, be conducive to guiding grouting material 14 to even
Connect 5 flowings of end, ensure enough flowing spaces simultaneously, improve Grouted density, the simultaneously grouting of this part
The thickness of material 14 increases, and forms one section and strengthens district, increases the bond stress to reinforcing bar 13 for the grouting material 14.In addition,
After grouting material 14 is molded, in the inner chamber 10 of sleeve body 1, form the grout blanket consistent with inner chamber 10 shape,
I.e. diameter at annular groove 7s for the grout blanket is more than the diameter of sleeve body 1 openend 4, adds sleeve
The ability of the anti-shearing force of interior joint portion 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. 5, described sleeve body 1
Inwall be provided with steel lobe 8.The setting of steel lobe 8 increases sleeve body 1 integral rigidity, meets rigidity
Under the premise of, can suitably reduce sleeve body 1 wall thickness, save material.Simultaneously in the case that external diameter is identical
Reducing wall thickness, adding grouting material 14 so that be in the milk more closely knit, reinforcing bar 13 is overall with sleeve body 1
Adhesive property higher.Additionally, the slurry pouring into forms and steel lobe 8 empty with in sleeve in sleeve body 1
The lock solid structure matching, is greatly improved the anchorage reliability of reinforcing bar 13.Preferably steel lobe 8 setting direction
Consistent with inner chamber 10 axial direction.It should be appreciated that such as Fig. 6～9, described steel lobe 8 can be and sleeve body
1 one-piece casting shaping, it is possible to be cutting processing shaping, it is also possible to be to be arranged on sleeve body 1 in work progress
It in inner chamber 10, is flexibly connected with sleeve body 1.Certainly, steel lobe 8 arrange position not with grouting mouth 2 and row
Position set by pore is overlapping.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 6～9, described sleeve body 1
Inwall on set the steel lobe 8 of more than two lobes, it is preferable that be arranged with 3 lobes on the inwall of described sleeve body 1
Or 4 lobe steel lobes 8.Depending on the main size according to sleeve body 1 of setting of steel lobe 8 lobe number, 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. 6, 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, keep 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 Figure 10～11, described steel lobe 8
On offered slurry hole 9 or led stock tank.Cross slurry hole 9 or lead the setting on the one hand guarantee grouting material 14 of stock tank to even
Have 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 bond stress to reinforcing bar 13 for the grouting material 14.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 11, 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 Figure 12, described steel lobe 8 is spiral shell
Rotation shape.Steel lobe 8 uses spirally, it is possible to increase the snap-in force between itself and grouting material 14, to a certain degree simultaneously
Upper guiding grouting material 14 flows in sleeve body 1, effectively improves Grouted density.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 13 and 14, 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 snap-in force between itself and grouting material 14,
Make power transmission between reinforcing bar 13 and sleeve more uniform.It should be appreciated that 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.If offering groove 16, the middle part of steel lobe 8 sidewall or sidewall can be provided near sleeve
Groove is especially opened in steel lobe 8 sidewall near one end of sleeve body 1 wall by one end of body 1 wall,
Can increase the grouting space of grouting material 14, and increase connecing of steel lobe the 8th, sleeve lining and grouting material 14 simultaneously
Contacting surface is amassed.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 1, described connection end 5 sets
Have 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
Openend 4 be provided with closing device 17, described closing device 17 is provided with jack hole 19.It is arranged such, keep away
Exempt from grouting material 14 to overflow from sleeve body 1 openend 4 before condensing hardening.During use, first by reinforcing bar
13 pass through the jack hole 19 on closing device 17, seal, then carry out after the docking completing reinforcing bar 13
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 forms 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 sleeve body 1 and the connection of the two.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 16, described closing device 17
For lock sleeve 18, inner chamber 10 interference fit of described lock sleeve 18 and described sleeve body 1 openend 4,
Described lock sleeve 18 is mild steel or prepared by spring steel.It is arranged such, after completing the docking of reinforcing bar 13, sealing
When, lock sleeve 18 is pushed away inward, owing to the internal diameter of sleeve body 1 is gradually become to connecting end 5 by openend 4
Little, cause lock sleeve 18 that elastic deformation occurs, and then reinforcing bar 13 being pinned tightly, reinforcing bar 13 can be made
Filling process is not swinging.
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.It 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, increase sleeve body 1 inwall and filling
Snap-in force between slurry 14, increases the overall tension of sleeve body 1 binding site or the ability of anti-shearing force.
Described groove is preferably arranged to annular, i.e. inner chamber 10 circumferentially disposed along 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 openend of described sleeve body 1
4 are arranged to angle.Being arranged such, increasing the diameter of inner chamber 10 at openend 4, angle can also play simultaneously
Guide effect, the beneficially insertion of reinforcing bar 13 achieve a butt joint.
The utility model also provides 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 13 that stretches out of prefabricated component 21 to be assembled, and then grouting is fixing, it is achieved prefabricated component 21
Abutting joint.
The above is only preferred embodiment of the present utility model, it is noted that for the art
For those of ordinary skill, on the premise of without departing from the utility model principle, some improvement can also be made
And retouching, these improvements and modifications 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 exhaust outlet, it is characterized in that, the one end open of described sleeve body, the other end is for connecting end, and the internal diameter of described sleeve body is tapered into connecting end by openend, and the inwall of described sleeve body is by the inside corrugated extension in openend.
2. grout sleeve according to claim 1, it is characterised in that the bottom of described sleeve body openend inner chamber is provided with annular protrusion.
3. grout sleeve according to claim 1, it is characterised in that the inwall of described sleeve body offers annular groove in exhaust outlet section.
4. grout sleeve according to claim 3, it is characterised in that at described annular groove, the interior radially connected end of inner chamber becomes larger.
5. the grout sleeve according to Claims 1 to 4 any one, it is characterised in that the inwall of described sleeve body is provided with steel lobe.
6. grout sleeve according to claim 5, it is characterised in that set the steel lobe of more than two lobes on the inwall of described sleeve body.
7. grout sleeve according to claim 6, it is characterised in that between described steel lobe, the distance along the inner chamber circumference of sleeve body is less than the diameter of reinforcing bar to be connected.
8. grout sleeve according to claim 7, it is characterised in that offered slurry hole on described steel lobe or led stock tank.
9. grout sleeve according to claim 8, it is characterised in that described steel lobe is helical form.
10. grout sleeve according to claim 9, it is characterised in that described cross slurry hole or lead circumferentially disposed along sleeve of stock tank.
11. grout sleeves according to claim 1, it is characterised in that described connection end is provided with threaded mouth or fixing bolt.
12. grout sleeves according to claim 1, it is characterised in that described sleeve body outer surface is matsurface.
13. grout sleeves according to claim 1, it is characterised in that the openend of described sleeve body is provided with closing device, 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 or shackle member to be connected with sleeve body.
15. grout sleeves according to claim 13, it is characterised in that the two side of described closing device is provided with anchoring projection.
The inner chamber interference fit of 16. grout sleeves according to claim 15, it is characterised in that described closing device is lock sleeve, described lock sleeve and described sleeve body openend, 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 10, 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 the grout sleeve described in embedded bar and claim 1～18 any one, described embedded bar is connected with the connection end of grout sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620364936.7U CN205712775U (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 |
|---|---|---|---|
| CN201620364936.7U CN205712775U (en) | 2016-04-26 | 2016-04-26 | A kind of grout sleeve and prefabricated component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205712775U true CN205712775U (en) | 2016-11-23 |
Family
ID=57294287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620364936.7U Active CN205712775U (en) | 2016-04-26 | 2016-04-26 | A kind of grout sleeve and prefabricated component |
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| Country | Link |
|---|---|
| CN (1) | CN205712775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185199A (en) * | 2019-05-13 | 2019-08-30 | 江苏南通三建集团股份有限公司 | A kind of half grouting connection sleeve of the automatic deviation correction for prefabricated post wall |
-
2016
- 2016-04-26 CN CN201620364936.7U patent/CN205712775U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185199A (en) * | 2019-05-13 | 2019-08-30 | 江苏南通三建集团股份有限公司 | A kind of half grouting connection sleeve of the automatic deviation correction for prefabricated post wall |
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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 |
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Assignee: Nanning Zhongmin zhuyou Intelligent Manufacturing Technology Co., Ltd Assignor: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT CO., LTD. Contract record no.: X2019430000004 Denomination of utility model: Grouting sleeve and prefabricated member Granted publication date: 20161123 License type: Common License Record date: 20191105 |
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Assignee: Xiangxi Zhongmin zhuyou Technology Co., Ltd Assignor: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT CO., LTD. Contract record no.: X2020430000002 Denomination of utility model: Grouting sleeve and prefabricated member Granted publication date: 20161123 License type: Common License Record date: 20200305 |
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Address after: 5 / F, office building 2, Zhongmin zhuyou Co., Ltd., No. 10, Zhongshi Road, shaping street, Kaifu District, Changsha City, Hunan Province, 410000 Patentee after: Zhuyou Zhizao Technology Investment Co., Ltd Address before: 410205 comprehensive building in Hunan province Changsha Kaifu District, No. 30 Xingang Road, Changsha Jinxia bonded logistics center room 3005 Patentee before: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT Ltd. |
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