CN208072777U - Non-return grout sleeve structure - Google Patents
Non-return grout sleeve structure Download PDFInfo
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- CN208072777U CN208072777U CN201820544315.6U CN201820544315U CN208072777U CN 208072777 U CN208072777 U CN 208072777U CN 201820544315 U CN201820544315 U CN 201820544315U CN 208072777 U CN208072777 U CN 208072777U
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- grout sleeve
- grout
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- return
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Abstract
The utility model is related to a kind of non-return grout sleeve structure, including vertical grout sleeve, grout sleeve is in hollow cylinder, and sidewall upper is connected with pulp pipeline, and side wall lower ends are connected with grout lines；Pulp pipeline and grout lines are penetrated through with grout sleeve inner cavity；Non-return rubber stopper is equipped in grout lines, non-return rubber stopper has perforative slip casting duct, the inner wall in slip casting duct is connected with taper barrel check-valves of the vertex towards grout sleeve, the bottom outer-edge of taper barrel check-valves is corresponding with the inner wall in slip casting duct and is fixedly connected, at least three perforative disjunction lines are offered on its side wall so that, at quantity valve block corresponding with disjunction line, all disjunction lines decile centered on the axis of taper barrel check-valves is uniformly distributed by the disjunction of taper barrel check-valves along the busbar of taper barrel check-valves.The grout sleeve of the utility model can be automatically prevented from grouting material reflux and overflow, and facilitate the implementation Process of grouting and closure.
Description
Technical field
The utility model belongs to the technical field of structural elements in building, and in particular to a kind of non-return grout sleeve knot
Structure.
Background technology
In recent years, under the context request for advocating green energy conservation energetically, building trade starts to put forth effort to promote assembled architecture,
Architectural industrialization, standardization are promoted, corresponding specification strives the accounting for continuing to be promoted national assembled architecture also in gradual perfection
It continuouslys optimize.Assembled architecture is the change of mode of construction and the revolution of the mode of production, the production of prefabricated member and dress
It is also reaching its maturity with construction technology.Wherein, the bar connecting of precast shear wall component is most commonly that grout sleeve and slurry anchor
Overlap joint, the grout sleeve that one end is first plugged with to reinforcing bar is embedded in precast shear wall component, then by the precast shear wall component
It lifts and is assembled in fixed buildings, so that the pre-buried wall for extending fixed buildings upper surface is indulged muscle and be inserted into the another of grout sleeve
One end, then grouting material is filled to realize being fixedly connected for two end bars in grout sleeve in grout sleeve.
During grouting material is perfused, the Grouting Pipe of grouting pump is connected to the grout hole of grout sleeve and by grouting material
It is pumped into grout sleeve, is overflowed from slurry outlet after filling full irrigation slurry in grout sleeve, block slurry outlet with Plastic cap, so
It extracts Grouting Pipe out afterwards and blocks grout hole with Plastic cap again；But because grouting pressure is larger, when extracting Grouting Pipe out, there is grouting
The phenomenon that material is flowed back out immediately, grout sleeve internal upper part is caused to come to nothing, influence the saturation degree of grouting, quality can not ensure.
Grout sleeve current simultaneously realizes the bar connecting between prefabricated member simply by grouting, is not covered to grouting
The stress of cylinder and its internal two end bars is analyzed, and fails to reach grout sleeve inner wall by the tensile stress towards both ends,
Internal two end bars by opposite tensile stress more preferably effect.
Invention content
For the above-mentioned deficiency of the prior art, the technical problem to be solved by the present invention is to provide a kind of grouting of non-return to cover
Barrel structure avoids the process be in the milk and blocked inconvenient, is easy the problem of spillage influences grouting saturation degree, acquirement is automatically prevented from
Grouting material reflux is overflowed, and is facilitated grouting and is blocked implementation Process, and makes to answer in advance suffered by grout sleeve and its internal two end bars
Effect of the power closer to design requirement.
In order to solve the above technical problems, the utility model adopts the following technical solution：
Non-return grout sleeve structure, including vertical grout sleeve, the grout sleeve are in hollow cylindrical structure；It fills
The sidewall upper of slurry sleeve is connected with pulp pipeline, and the side wall lower ends of grout sleeve are connected with grout lines；The pulp pipeline
It is penetrated through with grout sleeve inner cavity with grout lines；Non-return rubber stopper, the non-return rubber stopper tool are equipped in the grout lines
There are perforative slip casting duct, the inner wall in slip casting duct to be connected with taper barrel check-valves of the vertex towards grout sleeve, circular cone
The bottom outer-edge of tubular check-valves is corresponding with the inner wall in slip casting duct and is fixedly connected, and the busbar along taper barrel check-valves is in circle
Offered on the side wall of cone barrel check-valves at least three perforative disjunction lines with by the disjunction of taper barrel check-valves at quantity with
The corresponding valve block of disjunction line, all disjunction lines decile centered on the axis of taper barrel check-valves are uniformly distributed.
The grout lines of the utility model are located at lower end, and pulp pipeline is located at upper end, and grouting material flows from bottom to top when grouting
Dynamic, avoidable inside is come to nothing under the action of being in the milk power and grouting material pressure itself, increases compactness；By the Grouting Pipe of grouting pump
When being connected to the grout lines of grout sleeve and being pumped into grouting material, the valve block hair of taper barrel check-valves under the action of pumping force
Raw flexible deformation and along disjunction line be separated from each other after in the petal-shaped opened by grouting material, grouting material to be made to be pumped to grouting set
In cylinder, from grout outlet track overflow after filling full irrigation slurry in grout sleeve, first pulp pipeline, extraction note are blocked with Plastic cap
When starching pipe, the valve block of taper barrel check-valves self-closed and mutually abuts to be formed under the thrust that grouting material flows back along disjunction line
Firm cone shape will not continue outside flexible deformation under the thrust that grouting material flows back, play the role of non-return in this way, take out
After going out Grouting Pipe, then block grout lines with Plastic cap prevents grouting material from flowing out with further reinforcing.After extracting Grouting Pipe out,
Without being eager to block grout lines with Plastic cap again, facilitating grouting and blocking the implementation of process, grouting material is effectively stopped
It returns, grout sleeve internal upper part will not be caused to come to nothing, the saturation degree of grouting has been effectively ensured, improve quality.
Above-mentioned technical proposal is further improved, the slip casting duct is located on the hole wall of taper barrel check-valves bottom side
Equipped with internal thread.
In this way, be spirally connected by the Grouting Pipe end set external screw thread in grouting pump and with the internal thread in slip casting duct, it is convenient
The connection of Grouting Pipe and grout lines is connected without keeping manually；And it can be stopped by the open-top taper barrel in front end of Grouting Pipe
The valve block for returning valve, when making pumping grouting material, taper barrel check-valves has been in the state opened, and no longer needs to come by pumping force
The valve block for pushing taper barrel check-valves open further facilitates the implementation of filling process.
Further, its axially spaced-apart of the inner wall upper edge of the grout sleeve is equipped with several prestressing force annular protrusions, described
The cross-sectional area of prestressing force annular protrusion towards the vertical middle part one end of grout sleeve be more than its far from grout sleeve it is vertical in
The cross-sectional area of portion one end.
In this way, being directed in grout sleeve, prestress square is to difference needed for the reinforcing bar of upper and lower side, above and below grout sleeve inner wall
Two sections of prestressing force annular protrusion is set as symmetrical structure form, and the cross-sectional area of each prestressing force annular protrusion is in towards grouting
The gradual increased form in the vertical middle part of sleeve；After precast shear wall lifting component, when filling grouting material, grouting material is covered in grouting
Flowing sliding trend in cylinder makes grout sleeve inner wall by the tensile stress towards both ends, simultaneously because reaction, inside two
The bonding strength and stress of reinforcing bar can be improved closer to the prestressing force requirement of design by opposite tensile stress in the reinforcing bar at end
Can, improve the shock resistance of building entirety.
Further, the vertical cross-section of the prestressing force annular protrusion is right angled triangle.
In this way, regular shape, convenient for machine plus or the grout sleeves of the processing methods such as casting be manufactured, reduction is manufactured into
This；Fin relative to conventional rectangular reduces material utilization amount, reduces material cost, improves filling process to a certain extent
The mobile performance of middle grouting material keeps the grouting material of bevel edge side more full closely knit.
Further, its axially spaced-apart of the outer wall upper edge of the grout sleeve is equipped with several reinforcing annular protrusions, described to add
Gu the cross-sectional area of annular protrusion one end downward is more than the cross-sectional area of its one end upward.
In this way, improving the bonding strength and anti-pull-out property of grout sleeve outer wall and precast shear wall component, each reinforcing ring
The cross-sectional area of shape protrusion can reduce material utilization amount to the greatest extent in gradual increased form downward under the premise of ensureing its function.
Further, the upper and lower ends of the grout sleeve are connected separately with sealing cover.
In this way, realizing the sealing function of grout sleeve, ensure the saturation compactness of grouting material.
Further, the axis horizontal of the pulp pipeline and grout lines and towards identical in order to be in the milk and block,
The pulp pipeline and grout lines all have certain length in order to pre-buried.
In this way, the convenient homonymy in precast shear wall component implements grouting and blocks process；Pulp pipeline and grout lines
It can make pulp pipeline and grout lines while ensureing grout sleeve in the pre-buried depth in wall thickness direction with certain length
Oral area it is concordant with wall side, simplify the technical process of shear wall element precast.
Further, the taper barrel check-valves is an integral molding structure with non-return rubber stopper.
In this way, be simple to manufacture, when integrally casting shaping, by the slip casting duct both ends core pulling from non-return rubber stopper, noting
It starches and forms taper barrel check-valves in duct, reuse star cutter by slip casting duct, be to stop from taper barrel by direction
Valve bottom side is returned to its vertex side, that is, completes the cutting of disjunction line, forms the valve block of disjunction.
Compared with prior art, the utility model has the advantages that：
1, the utility model keeps the connection of Grouting Pipe simple and reliable, grout lines can self-closed prevent grouting material reflux overflow
Go out, facilitate the implementation Process of grouting and closure, the saturation degree of grouting has been effectively ensured, improves quality.
2, the utility model can make grout sleeve inner wall by the tensile stress towards both ends after assembly and grouting, inside
The reinforcing bar at both ends is improved the bonding strength and stress of reinforcing bar by opposite tensile stress closer to the prestressing force requirement of design
Performance improves the shock resistance of building entirety.
3, the grout sleeve of the utility model is simple to manufacture, and also saves material utilization amount, using simple, is answered suitable for promoting
With.
Description of the drawings
The structural schematic diagram of Fig. 1-the utility model specific embodiment；
The partial enlarged view in the portions A in Fig. 2-Fig. 1；
The right view of Fig. 3-Fig. 2；
The using process diagram of Fig. 4-the utility model specific embodiment；
Wherein, grout sleeve 1, prestressing force annular protrusion 11 reinforce annular protrusion 12, sealing cover 2, pulp pipeline 3, grouting
Pipeline 4, non-return rubber stopper 5, slip casting duct 51, internal thread 511, taper barrel check-valves 52, disjunction line 521, valve block 522, in advance
System shearing wall member 6.
Specific implementation mode
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, the non-return grout sleeve structure of the utility model specific embodiment, including vertical grout sleeve 1, institute
It is in hollow cylindrical structure to state grout sleeve 1, and the upper and lower ends of grout sleeve 1 are connected separately with sealing cover 2；Grout sleeve 1
Sidewall upper be connected with pulp pipeline 3, the side wall lower ends of grout sleeve 1 are connected with grout lines 4；3 He of pulp pipeline
Grout lines 4 are penetrated through with 1 inner cavity of grout sleeve；The axis horizontal of the pulp pipeline 3 and grout lines 4 and towards identical,
The pulp pipeline 3 and grout lines 4 all have certain length.
Referring to Fig. 2, Fig. 3, interference fit has non-return rubber stopper 5, the non-return rubber stopper 5 to have in the grout lines 4
The coaxial perforative slip casting duct 51 with grout lines 4, the inner wall in slip casting duct 51 are connected with a vertex towards grout sleeve 1
Taper barrel check-valves 52, the taper barrel check-valves 52 are integrated die cast, taper barrel non-return with non-return rubber stopper 5
The bottom outer-edge of valve 52 is corresponding with the inner wall in slip casting duct 51 and closes connection, and the busbar along taper barrel check-valves 52 is in circular cone
Offered on the side wall of tubular check-valves 52 three disjunction lines 521 through side wall with by 52 disjunction of taper barrel check-valves at three
A valve block 522, three disjunction lines 521 decile centered on the axis of taper barrel check-valves 52 are uniformly distributed；51, the slip casting duct
It is equipped with internal thread 511 in the hole wall of 52 bottom side of taper barrel check-valves.
Referring to Fig. 1, its axially spaced-apart of the inner wall upper edge of the grout sleeve 1 is equipped with several prestressing force annular protrusions 11, institute
It is perpendicular far from grout sleeve 1 that the cross-sectional area for stating prestressing force annular protrusion 11 towards the vertical middle part one end of grout sleeve 1 is more than it
To middle part one end cross-sectional area, in this way be for precast shear wall component assembly after be inserted into grout sleeve 1 in upper and lower side
Prestress square needed for reinforcing bar sets pair each prestressing force annular protrusion 11 of 1 inner wall two sections of grout sleeve to difference
The structure type of title, the i.e. cross-sectional area of each prestressing force annular protrusion 11 towards the vertical middle part of grout sleeve 1 in gradually increasing
Form；The vertical cross-section of the preferred prestressing force annular protrusion of the present embodiment 11 is right angled triangle to facilitate manufacture；The grouting
It is axially also equipped at intervals with several reinforcing annular protrusions 12 to the outer wall upper edge of sleeve 1, the one end downward of the reinforcing annular protrusion 12
Cross-sectional area be more than its upward one end cross-sectional area with improve grout sleeve 1 outer wall and precast shear wall component connection
Material utilization amount is reduced to the greatest extent while intensity and anti-pull-out property.
To further understand, the use of the present embodiment is described below：
Referring to Fig. 2~Fig. 4, non-return grout sleeve structure is embedded in precast shear wall component 6, due to pulp pipeline 3
There is certain length with grout lines 4, not only ensure that grout sleeve 1 in the pre-buried depth in wall thickness direction, but also make pulp pipeline 3
Can be concordant with wall side with the oral area of grout lines 4, convenient for pre-buried and subsequent grouting and plugging operations；Precast shear wall component
After 6 assembly, since pulp pipeline 3 is identical with the direction of grout lines 4, so that it may to implement grouting in the homonymy of wall and block；It will
Front end is machined with 511 bolt of internal thread of externally threaded Grouting Pipe and non-return rubber stopper 5, the open-top taper cone barrel in front end of Grouting Pipe
Shape check-valves 52, the valve block 522 of taper barrel check-valves 52 occur flexible deformation and along disjunction line 521 be separated from each other after in opening
Petal-shaped with grouting material to be passed through；It is pumped into grouting material into grout sleeve 1 by grouting pump, due to prestressing force annular protrusion
11 presence, flowing sliding trend of the grouting material in grout sleeve 1 make 1 inner wall of grout sleeve be answered by towards the drawing at both ends
Power, simultaneously because reaction, the reinforcing bar at internal both ends is carried by opposite tensile stress closer to the prestressing force requirement of design
The high bonding strength and stress performance of reinforcing bar；It is overflowed from pulp pipeline 3 after filling full irrigation slurry in grout sleeve 1, first with modeling
Material plug blocks pulp pipeline 3, then extracts Grouting Pipe out, what the valve block 522 of taper barrel check-valves 52 flowed back in grouting material
Self-closed and the cone shape consolidated along the mutual abutting formation of disjunction line 521, the thrust that will not be flowed back in grouting material under thrust
It is lower to continue outside flexible deformation, play the role of non-return, after extraction Grouting Pipe, then with Plastic cap blocks 4 oral area of grout lines
Prevent grouting material from flowing out with further reinforcing.As it can be seen that after extraction Grouting Pipe, grout pipe is blocked with Plastic cap without being eager again
Road 4 facilitates grouting and blocks the implementation of process, and grouting material will not cause 1 internal upper part of grout sleeve to come to nothing by effective non-return,
The saturation degree of grouting has been effectively ensured, has improved grouting quality.
When implementation, further, a non-return rubber stopper 5, taper barrel check-valves 52 can be also provided in pulp pipeline 3
Vertex still towards grout sleeve 1, in this way, filling full irrigation slurry post-grouting material cannot be immediately from pulp pipeline 3 in grout sleeve 1
It overflows, and grouting pump continues to provide pumping pressure, so that the compactness of the grouting material in grout sleeve 1 is further increased, will be in the milk
1 inner wall of sleeve fails the wedge angle position filled up all effectively fillings, waits for that grouting pressure reaches certain value, the circle in pulp pipeline 3
The valve block 522 of cone barrel check-valves 52 mutually abuts the firm conical non-return state formed along disjunction line 521 and is destroyed, valve block
The direction that 522 reversal deformations make taper barrel check-valves 52 be directed away from grout sleeve 1 is opened, and grouting material overflows from pulp pipeline 3
Go out, then pulp pipeline 3 is blocked with Plastic cap, subsequent operation as hereinbefore, is not repeated.It can also be into when above-mentioned implementation
One step improved plan should be regarded as falling into scope of protection of the utility model.
When implementation, as a kind of mode of obvious variant, decile is uniformly distributed centered on the axis of taper barrel check-valves 52
All disjunction lines 521 can also be the busbar along taper barrel check-valves 52 from the vertex of taper barrel check-valves 52 to bottom
The form that edge extends, the length of disjunction line 521 is less than the bus length of taper barrel check-valves 52, i.e., not by all valve blocks
The globality of 522 complete disjunctions, such taper barrel check-valves 52 is more preferable, but more mistake pulp surfaces for occupying slip casting duct 51
Product；The mode of above-mentioned obvious variant also should be regarded as falling into the scope of protection of the utility model.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (8)
1. non-return grout sleeve structure, including vertical grout sleeve（1）, the grout sleeve（1）In hollow cylinder knot
Structure；Grout sleeve（1）Sidewall upper be connected with pulp pipeline（3）, grout sleeve（1）Side wall lower ends be connected with grout lines
（4）；The pulp pipeline（3）And grout lines（4）And grout sleeve（1）Inner cavity penetrates through；It is characterized in that：The grout pipe
Road（4）It is interior to be equipped with non-return rubber stopper（5）, the non-return rubber stopper（5）With perforative slip casting duct（51）, slip casting duct（51）
Inner wall be connected with a vertex towards grout sleeve（1）Taper barrel check-valves（52）, taper barrel check-valves（52）Bottom
Portion's outer rim and slip casting duct（51）Inner wall it is corresponding and be fixedly connected, along taper barrel check-valves（52）Busbar in taper barrel
Check-valves（52）Side wall on offer at least three perforative disjunction lines（521）With by taper barrel check-valves（52）Disjunction at
Quantity and disjunction line（521）Corresponding valve block（522）, all disjunction lines（521）With taper barrel check-valves（52）Axis be
Heart decile is uniformly distributed.
2. non-return grout sleeve structure according to claim 1, it is characterised in that：The slip casting duct（51）Positioned at taper cone barrel
Shape check-valves（52）The hole wall of bottom side is equipped with internal thread（511）.
3. non-return grout sleeve structure according to claim 1, it is characterised in that：The grout sleeve（1）Inner wall upper edge
Its axially spaced-apart is equipped with several prestressing force annular protrusions（11）, the prestressing force annular protrusion（11）Towards grout sleeve（1）It is perpendicular
To middle part one end cross-sectional area be more than its far from grout sleeve（1）The cross-sectional area of vertical middle part one end.
4. non-return grout sleeve structure according to claim 3, it is characterised in that：The prestressing force annular protrusion（11）It is perpendicular
It is right angled triangle to section.
5. non-return grout sleeve structure according to claim 1, it is characterised in that：The grout sleeve（1）Outer wall upper edge
Its axially spaced-apart is equipped with several reinforcing annular protrusions（12）, the reinforcing annular protrusion（12）The cross-sectional area of one end is more than downward
The cross-sectional area of its one end upward.
6. non-return grout sleeve structure according to claim 1, it is characterised in that：The grout sleeve（1）Upper and lower ends
It is connected separately with sealing cover（2）.
7. according to any one of the claim 1-6 non-return grout sleeve structures, it is characterised in that：The pulp pipeline（3）With
Grout lines（4）Axis horizontal and towards identical in order to be in the milk and block, the pulp pipeline（3）And grout lines（4）
Certain length is all had in order to pre-buried.
8. non-return grout sleeve structure according to claim 7, it is characterised in that：The taper barrel check-valves（52）With only
Return rubber stopper（5）It is an integral molding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820544315.6U CN208072777U (en) | 2018-04-17 | 2018-04-17 | Non-return grout sleeve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820544315.6U CN208072777U (en) | 2018-04-17 | 2018-04-17 | Non-return grout sleeve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208072777U true CN208072777U (en) | 2018-11-09 |
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ID=64041539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820544315.6U Active CN208072777U (en) | 2018-04-17 | 2018-04-17 | Non-return grout sleeve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208072777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505688A (en) * | 2018-04-17 | 2018-09-07 | 中冶建工集团有限公司 | The grout sleeve device of energy non-return |
-
2018
- 2018-04-17 CN CN201820544315.6U patent/CN208072777U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505688A (en) * | 2018-04-17 | 2018-09-07 | 中冶建工集团有限公司 | The grout sleeve device of energy non-return |
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