CN206769209U - A kind of grout sleeve - Google Patents
A kind of grout sleeve Download PDFInfo
- Publication number
- CN206769209U CN206769209U CN201720501153.3U CN201720501153U CN206769209U CN 206769209 U CN206769209 U CN 206769209U CN 201720501153 U CN201720501153 U CN 201720501153U CN 206769209 U CN206769209 U CN 206769209U
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- Prior art keywords
- slurry
- reinforcing bar
- grout sleeve
- sleeve
- grouting cavity
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Abstract
The purpose of this utility model is to provide a kind of grout sleeve, and for connecting the first reinforcing bar and the second reinforcing bar, including sleeve body, sleeve body include the axially disposed grouting cavity with opening, and the first reinforcing bar can stretch into grouting cavity from opening.Grouting cavity is injected with slurry, and the first reinforcing bar is fixedly connected with sleeve body.The inwall of grouting cavity has projection, and projection includes inclined plane and perpendicular to axially arranged vertical plane；On the direction stretched into along the first reinforcing bar, inclined plane is located at the front side of vertical plane, and inclined plane protrudes from the height radially of the inwall of grouting cavity and become larger.In the utility model, cause projection that not only there is higher structural strength perpendicular to axially arranged vertical plane, also so that raised produce good position-limiting action to condensing hardening disposed slurry, so that the slurry in the grout sleeve being located at is not easy to loosen abjection after condensation is hardened.
Description
Technical field
Building field is the utility model is related to, more particularly, to a kind of grout sleeve.
Background technology
Prefabricated assembled concrete structure is the direction of modern architecture industrialized development, and bar connecting is that assembled architecture is applied
One of most critical technology of work, in western developed country mainly using reinforced bar sleeve grouting interconnection technique, the technology is using big stream
Dynamic degree, early strong, high-strength, microdilatancy cement-based grouting material are filled in sleeve and Ribbed Bar gap, and it is hard to treat that slurry condenses
Reinforcing bar is fixedly connected with sleeve after change, there is higher tensile strength and compression strength, connection is reliable, cost is low, construction effect
The high advantage of rate.
The structural development of China's fabricated construction is opened also in exploratory stage, the research for interconnection technique of being in the milk to reinforced bar sleeve
Send out at the early-stage.China is greatly developing environment protecting and power-saving prefabricated concrete structure building at present.Using prefabrication and assembly construction
Formula concrete structure, and the interconnection technique of the steel bar stress of prefabricated components is the pass of prefabricated concrete structure globality security
Key, reinforced bar sleeve grouting interconnection technique are the core technologies of reinforcing bar node connection between precast concrete system components, are dresses
With monolithic construction design, production, the key point constructed.As prefabricated concrete structure related industry focus it
One.Straight screw sleeve connection technology is a kind of best solution generally acknowledged outside in the industry, solves longitudinal steel in fabricated construction
Muscle connectivity problem, it will be found application in assembled architecture.
In the prior art, the inwall for the grout sleeve of straight screw sleeve connection technology is present after slurry condensation is hardened easily
Loosen the technical problem of abjection.
Therefore, this area needs a kind of grout sleeve that loosening abjection is not easy after slurry condenses hardening.
Utility model content
The purpose of this utility model is to provide a kind of grout sleeve, and the slurry in described grout sleeve is condensing
It is not easy to loosen abjection after hardening.
To realize the grout sleeve of the purpose, include for connecting the first reinforcing bar and the second reinforcing bar, the grout sleeve
Sleeve body, the sleeve body include the axially disposed grouting cavity with opening, and the grouting cavity is used to provide
First reinforcing bar is additionally operable to accommodating slurry with by first reinforcing bar and the sleeve body from the space stretched into of being open
It is fixedly connected；The sleeve body be additionally operable to second bar connecting, so as to by first reinforcing bar and second steel
Muscle connects；
The inwall of the grouting cavity has a projection, described raised to include inclined plane and perpendicular to axially arranged vertical
Face；On the direction stretched into along first reinforcing bar, the inclined plane is located at the front side of the vertical plane, and the inclined plane
The radial height for protruding from the inwall of the grouting cavity becomes larger.
Described grout sleeve, its further feature are that the projection is annular protrusion, and the inclined plane is bored for annular
Face, the vertical plane are planar annular, and the direction of the circular cone cone angle is consistent with the direction that first reinforcing bar stretches into.
Described grout sleeve, its further feature are that the raised quantity is multiple and circumferentially spaced setting
On the inwall of the grouting cavity.
Described grout sleeve, its further feature are that the projection includes the axially disposed face of cylinder；Described
On the direction that first reinforcing bar stretches into, the forward edge on the face of cylinder is connected with the inclined plane transition, behind the face of cylinder
Lateral edges are connected with the vertical plane transition.
Described grout sleeve, its further feature are that the raised quantity is multiple, multiple annular protrusions
It is uniformly distributed vertically.
Described grout sleeve, its further feature are that adjacent two bulge clearance certain distances are set.
Described grout sleeve, its further feature are the settings that connects before and after adjacent two projections.
Described grout sleeve, its further feature are that the inclination angle of the inclined plane is 10 ° to 30 °.
Described grout sleeve, its further feature are that the grout sleeve also includes slurry-feeding hole and slurry outlet, described
Grout sleeve is vertically set, the slurry-feeding hole and slurry outlet protrude from the sleeve body and with the grouting cavity
Connection, the slurry outlet are arranged on the top of the slurry-feeding hole；
The slurry-feeding hole is used to inject the slurry, and the slurry outlet is used to draw the unnecessary slurry；The pulp
Hole is deflected up certain angle, to increase the density of grouting cavity upper end slurry.
Described grout sleeve, its further feature are that the aperture of the slurry-feeding hole is more than the aperture of the slurry outlet,
The aperture of institute's slurry-feeding hole is also greater than the diameter of first reinforcing bar.
Positive effect of the present utility model is：Grout sleeve provided by the utility model, for connecting the first steel
Muscle and the second reinforcing bar, including sleeve body, sleeve body include the axially disposed grouting cavity with opening, the first reinforcing bar
Grouting cavity can be stretched into from opening.Grouting cavity is injected with slurry, and the first reinforcing bar is fixedly connected with sleeve body.Grouting
The inwall of cavity has projection, and projection includes inclined plane and perpendicular to axially arranged vertical plane；What is stretched into along the first reinforcing bar
On direction, inclined plane is located at the front side of vertical plane, and inclined plane protrude from the height radially of the inwall of grouting cavity by
Gradual change is big.In the utility model, cause projection that not only there is higher structural strength perpendicular to axially arranged vertical plane, also make
The raised position-limiting action good to condensing hardening disposed slurry generation is obtained, so that the slurry in the grout sleeve being located at is condensing
It is not easy to loosen abjection after hardening.
Brief description of the drawings
The above and other feature, property and advantage of the present utility model will be by with reference to the accompanying drawings and examples
Description and become readily apparent from, wherein：
Fig. 1 is the schematic diagram of the grout sleeve and bar connecting in the utility model；
Fig. 2 is the schematic diagram after the grout sleeve grouting in the utility model；
Fig. 3 is the schematic diagram of the inwall of the grouting cavity in the utility model one embodiment；
Fig. 4 is the schematic diagram of the inwall of the grouting cavity in the utility model another embodiment.
Embodiment
With reference to specific embodiments and the drawings, the utility model is described in further detail, elaborates in the following description
More details are in order to fully understand the utility model, but the utility model obviously can be different from what this was described with a variety of
Other manner is implemented, and those skilled in the art can be in the case of without prejudice to the utility model connotation according to practical application feelings
Condition is made similar popularization, deduced, therefore should not limit the scope of protection of the utility model with the content of this specific embodiment.
It should be noted that Fig. 1 to Fig. 4 is not only as an example, it is drawn according to the condition of equal proportion, and not
It should be construed as limiting in this, as the protection domain to the utility model actual requirement.In specification of the present utility model, axle
To the direction where the axis of grout sleeve 11, radially in space perpendicular to axially direction.
Fig. 2 shows schematic diagram when grout sleeve 11 in the utility model is in installation site.In fig. 2, it is to be connected
The first prefabricated components 12a and the second prefabricated components 12b in be embedded with the first reinforcing bar 3a and the second reinforcing bar 3b respectively, wherein,
Grout sleeve 11 is also embedded with two prefabricated components 12b.Grout sleeve 11 includes sleeve body 10, and sleeve body 10 is included along axle
To the grouting cavity 102 with opening 101 of setting.One end of grout sleeve 11 and be all to be embedded in the second prefabricated components 12b
Interior the second reinforcing bar 3b is mechanically connected, and the mechanical connection includes but is not limited to connect by screw thread 301, grout sleeve 11 it is another
End has above-mentioned opening 101.Opening 101 is connected with exterior space, and the first reinforcing bar 3a can be projecting axially into filling from opening 101
Starch in cavity 102.
With reference to Fig. 1 and Fig. 2, grout sleeve 11 also includes slurry-feeding hole 1 and slurry outlet 2, and grout sleeve 11 is vertically set
Put, slurry-feeding hole 1 and slurry outlet 2 protrude from sleeve body 10, and are connected with grouting cavity 102, and slurry outlet 2 is arranged on slurry-feeding hole 1
Top；Slurry-feeding hole 1 is used to inject slurry 5, and slurry outlet 2 is used to draw unnecessary slurry 5；After slurry 5 condenses hardening, by first
Reinforcing bar 3a is fixedly connected with sleeve body 10, so as to realize the first prefabricated components 12a and the second prefabricated components 12b connection.
Be arranged with respectively on slurry-feeding hole 1 and slurry outlet 2 into slurry conduit 9a and pulp conduit 9b, to prevent into slurry conduit 9a and
Pulp conduit 9b comes off, and the outer wall of slurry-feeding hole 1 and slurry outlet 2 is respectively arranged with annular lug, nib 7 and annular lug, nib 8, for increasing
Frictional force between slurry-feeding hole 1 and slurry outlet 2 and conduit.Alternatively, the aperture of slurry-feeding hole 1 is more than the aperture of slurry outlet 2, is entered
The aperture in slurry hole 1 is also greater than the first reinforcing bar 3a diameter, and this design can ensure the stability of filling process.
Slurry outlet 2 is deflected up certain angle so that pulp conduit 9b is also deflected up certain angle, so, vertical
On direction, the peak of pulp conduit 9b inwalls can reach or the top inner face higher than grouting cavity 102, so as to fill
During slurry, the liquid level 14 of slurry can keep and the be in the milk top inner face of cavity 102 fits, so as to ensure to fill
Starch the density of the upper end slurry of cavity 102.Alternatively, the angle that slurry outlet 2 is deflected up be 2 ° to 5 ° so that angle 6 it is big
Small is 85 ° to 88 °.
, it is necessary to take steps to ensure that the slurry 5 after condensing hardening will not be from grouting cavity 102 after the condensation hardening of slurry 5
Interior abjection.The utility model prevents from condensing the slurry after hardening by the way of projection 4 is set in the inwall of grouting cavity 102
5 abjections.Specifically, as shown in Fig. 1,3,4, the inwall of grouting cavity 102 has projection 4, the cross sectional shape vertically of projection 4
It is approximately wedge shape.Projection 4 includes inclined plane 41 and perpendicular to axially arranged vertical plane 42；In the side stretched into along the first reinforcing bar 3a
To on P, inclined plane 41 is located at the front side of vertical plane 42, and inclined plane 41 protrudes from the radial direction height of the inwall of grouting cavity 102
Degree H becomes larger.Inclined plane 41 can be plane or cambered surface.
Alternatively, as shown in figure 4, the inclination alpha of inclined plane 41 is 10 ° to 30 °.For example, radial height H maximum can be with
It is 0.8mm, the length of whole inclined plane 41 in the axial direction can be 5mm.The inclination alpha of inclined plane 41 is unsuitable excessive, otherwise can lead
Cause the first reinforcing bar 3a to produce with inclined plane 41 when stretching into collide with.
The quantity of projection 4 can be multiple, and front and rear vertically be uniformly distributed.As shown in Figure 2,4, in the axial direction, it is preceding
Shearing groove 15 is formed between two adjacent projections 4 afterwards.Perpendicular to one of axially arranged vertical plane 42 as shearing groove 15
Cell wall, it can effectively prevent from condensing the slurry 5 after hardening and deviate from along the direction opposite with direction P.In addition, vertical plane 42 is set
Meter causes projection 4 to have higher structural strength so that projection 4 is hardly damaged, and easy to process.
The structure type and spread pattern of projection 4 itself have a variety of.For example, as shown in Figures 1 to 4, projection 4 is convex annular
Rise, inclined plane 41 is circular cone, and vertical plane 42 is planar annular, and the direction of circular cone cone angle beta stretches into the first reinforcing bar 3a
Direction P it is consistent.Projection 4 can also be multiple single wedge-shaped protrusions of circumferentially spaced setting.With continued reference to Fig. 3, two
Connect setting, or as shown in figure 4, setting spaced apart before and after projection 4.
With continued reference to Fig. 4, projection 4 also includes the axially disposed face of cylinder 43；On the direction that the first reinforcing bar 3a is stretched into,
The forward edge on the face of cylinder 43 is connected with the transition of inclined plane 41, and the posterior edges on the face of cylinder 43 are connected with the transition of vertical plane 42.Cross
The mode for crossing connection connects including fillet.
With continued reference to Fig. 1, the ultimate range of the bottom surface and the end face of the first reinforcing bar 3a insertion end of the cavity 102 that is in the milk is
15mm。
With continued reference to Fig. 2, enter to starch conduit 9a and pulp conduit 9b pre-pluggeds in the second prefabricated components 12b, enter slurry and lead
Pipe 9a and pulp conduit 9b port are respectively arranged with rubber chock plug 13a and rubber chock plug 13b.Enter to starch conduit 9a and pulp conduit
9b can be pvc pipe or bellows.Connecting sewing 16 be present between first prefabricated components 12a and the second prefabricated components 12b,
After one reinforcing bar 3a and the second reinforcing bar 3b stable connections, connecting sewing 16 is also required to be filled with mortar and fastened.First prefabricated components 12a and
Second prefabricated components 12b can be wallboard, beam, post etc..First reinforcing bar 3a and the second reinforcing bar 3b can be Ribbed Bar.
Alternatively, the manufacture material of grout sleeve 11 provided by the utility model is Steel material, and manufacture method adds including machine
Work and casting.Projection 4 can be formed by pruning corresponding wall thickness on the inwall of grout sleeve 11.
Positive effect of the present utility model is：Grout sleeve provided by the utility model, for connecting the first steel
Muscle and the second reinforcing bar, including sleeve body, sleeve body include the axially disposed grouting cavity with opening, the first reinforcing bar
Grouting cavity can be stretched into from opening.Grouting cavity is injected with slurry, and the first reinforcing bar is fixedly connected with sleeve body.Grouting
The inwall of cavity has projection, and projection includes inclined plane and perpendicular to axially arranged vertical plane；What is stretched into along the first reinforcing bar
On direction, inclined plane is located at the front side of vertical plane, and inclined plane protrude from the height radially of the inwall of grouting cavity by
Gradual change is big.In the utility model, cause projection that not only there is higher structural strength perpendicular to axially arranged vertical plane, also make
The raised position-limiting action good to condensing hardening disposed slurry generation is obtained, so that the slurry in the grout sleeve being located at is condensing
It is not easy to loosen abjection after hardening.
Although the utility model is disclosed as above with preferred embodiment, its be not for limiting the utility model, it is any
Those skilled in the art are not being departed from spirit and scope of the present utility model, can make possible variation and modification, all
It is the content without departing from technical solutions of the utility model, appoints according to what the technical essence of the utility model was made to above example
What modification, equivalent variations and modification, each falls within the protection domain that the utility model claims are defined.
Claims (10)
1. a kind of grout sleeve, for connecting the first reinforcing bar (3a) and the second reinforcing bar (3b), the grout sleeve (11) includes set
Cylinder body (10), the sleeve body (10) includes the axially disposed grouting cavity (102) with opening (101), described
Grouting cavity (102) is used to provide first reinforcing bar (3a) from the space that the opening (101) is stretched into, and is additionally operable to accommodating slurry
(5) so that first reinforcing bar (3a) to be fixedly connected with the sleeve body (10)；The sleeve body (10) is additionally operable to and institute
The second reinforcing bar (3b) connection is stated, so as to which first reinforcing bar (3a) and second reinforcing bar (3b) be connected；
Characterized in that, the inwall of the grouting cavity (102) has raised (4), the projection (4) include inclined plane (41) and
Perpendicular to axially arranged vertical plane (42)；On the direction stretched into along first reinforcing bar (3a), inclined plane (41) position
In the front side of the vertical plane (42), and the inclined plane (41) protrudes from the inwall of the grouting cavity (102)
Radial height (H) becomes larger.
2. grout sleeve as claimed in claim 1, it is characterised in that the projection (4) is annular protrusion, the inclined plane
(41) it is circular cone, the vertical plane (42) is planar annular, direction and first steel of the circular cone cone angle (β)
The direction (P) that muscle (3a) stretches into is consistent.
3. grout sleeve as claimed in claim 1, it is characterised in that it is described projection (4) quantity for it is multiple and circumferentially between
Every be arranged on it is described grouting cavity (102) inwall on.
4. grout sleeve as claimed in claim 2, it is characterised in that the projection (4) also includes axially disposed cylinder
Face (43)；On the direction that first reinforcing bar (3a) is stretched into, forward edge and the inclined plane of the face of cylinder (43)
(41) transition is connected, and the posterior edges of the face of cylinder (43) are connected with the vertical plane (42) transition.
5. grout sleeve as claimed in claim 2, it is characterised in that the quantity of the projection (4) is multiple described convex to be multiple
(4) are played to be uniformly distributed vertically.
6. grout sleeve as claimed in claim 5, it is characterised in that two adjacent raised (4) are spaced apart
Set.
7. grout sleeve as claimed in claim 5, it is characterised in that two adjacent raised (4) front and rear settings that connect.
8. grout sleeve as claimed in claim 1, it is characterised in that the inclination angle (α) of the inclined plane (41) is 10 ° to 30 °.
9. grout sleeve as claimed in claim 1, it is characterised in that the grout sleeve (11) also include slurry-feeding hole (1) and
Slurry outlet (2), the grout sleeve (11) are vertically set, and the slurry-feeding hole (1) and slurry outlet (2) protrude from the set
Cylinder body (10), and connected with the grouting cavity (102), the slurry outlet (2) is arranged on the top of the slurry-feeding hole (1)；
The slurry-feeding hole (1) is used to inject the slurry (5), and the slurry outlet (2) is used to draw the unnecessary slurry (5)；
The slurry outlet (2) is deflected up certain angle, to increase the density of grouting cavity (102) upper end slurry.
10. grout sleeve as claimed in claim 9, it is characterised in that the aperture of the slurry-feeding hole (1) is more than the slurry outlet
(2) aperture, the aperture of the slurry-feeding hole (1) are also greater than the diameter of first reinforcing bar (3a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720501153.3U CN206769209U (en) | 2017-05-08 | 2017-05-08 | A kind of grout sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720501153.3U CN206769209U (en) | 2017-05-08 | 2017-05-08 | A kind of grout sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206769209U true CN206769209U (en) | 2017-12-19 |
Family
ID=60650475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720501153.3U Expired - Fee Related CN206769209U (en) | 2017-05-08 | 2017-05-08 | A kind of grout sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206769209U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108589915A (en) * | 2018-05-07 | 2018-09-28 | 东北林业大学 | A kind of external steel plate of assembly concrete column is to drawing connecting node and its construction method |
| CN111005502A (en) * | 2019-11-25 | 2020-04-14 | 山东建筑大学 | Inner cavity convex multi-point distributed grouting sleeve and manufacturing method thereof |
| CN112482222A (en) * | 2020-11-16 | 2021-03-12 | 上海浦江缆索股份有限公司 | Main cable strand with zinc-aluminum-magnesium alloy coating steel wire and assembling method thereof |
-
2017
- 2017-05-08 CN CN201720501153.3U patent/CN206769209U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108589915A (en) * | 2018-05-07 | 2018-09-28 | 东北林业大学 | A kind of external steel plate of assembly concrete column is to drawing connecting node and its construction method |
| CN111005502A (en) * | 2019-11-25 | 2020-04-14 | 山东建筑大学 | Inner cavity convex multi-point distributed grouting sleeve and manufacturing method thereof |
| CN112482222A (en) * | 2020-11-16 | 2021-03-12 | 上海浦江缆索股份有限公司 | Main cable strand with zinc-aluminum-magnesium alloy coating steel wire and assembling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20210508 |