CN213952716U - Prefabricated assembled is steel bar sleeve connecting piece that is in milk for concrete member - Google Patents
Prefabricated assembled is steel bar sleeve connecting piece that is in milk for concrete member Download PDFInfo
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- CN213952716U CN213952716U CN202021926229.5U CN202021926229U CN213952716U CN 213952716 U CN213952716 U CN 213952716U CN 202021926229 U CN202021926229 U CN 202021926229U CN 213952716 U CN213952716 U CN 213952716U
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- Prior art keywords
- sleeve body
- sleeve
- stopper
- steel bar
- connector
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 32
- 239000010959 steel Substances 0.000 title claims abstract description 32
- 239000008267 milk Substances 0.000 title claims description 3
- 210000004080 milk Anatomy 0.000 title claims description 3
- 235000013336 milk Nutrition 0.000 title claims description 3
- 230000002787 reinforcement Effects 0.000 claims abstract description 38
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000011440 grout Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 8
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000007569 slipcasting Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model relates to a prefabricated assembled is steel sleeve grout connecting piece for concrete member, belong to the construction field, it includes the sleeve body, the one end of sleeve body is connected with the connector, the one end that the sleeve body was kept away from to the connector is equipped with the screw hole, this internal spacing subassembly that is equipped with of sleeve, spacing subassembly includes stopper and bracing piece, the stopper is the cylindric structure coaxial with the sleeve body, spacing hole coaxial with the sleeve body is seted up on the top of stopper, the diameter in spacing hole is greater than the diameter of connecting reinforcement, the thickness of stopper is run through in spacing hole, the bracing piece is equipped with a plurality ofly, the one end and the stopper fixed connection of bracing piece, the inner wall fixed connection of the other end and sleeve body. This application has and can reduce the connecting reinforcement and stretch into not at the sleeve positive center in the sleeve, adjusts the phenomenon of connecting reinforcement when reducing erection joint reinforcing bar, and then can improve the effect of erection joint reinforcing bar efficiency.
Description
Technical Field
The application relates to the field of building construction, in particular to a steel bar sleeve grouting connecting piece for a prefabricated concrete member.
Background
Buildings assembled from prefabricated parts at the site are known as fabricated buildings. The assembly type building has high building speed and low production cost. The connection of the fabricated building is a key technology, and the sleeve grouting connection technology is one of the most widely applied connection technologies.
Currently, in the related art, chinese patent No. CN206928660U discloses a semi-grouting sleeve, which includes: the grouting sleeve comprises a grouting sleeve body, wherein one end of the sleeve body is provided with a threaded hole, the other end of the sleeve body is in an open shape, and one end of the sleeve body, which is far away from the threaded hole, is provided with a grouting hole hollow cylinder with a grouting hole and an air outlet hole hollow cylinder with an air outlet hole; the inlet end of the hollow cylinder of the grouting hole is provided with a tapered hole matched with the front end part of the grouting gun, and the lower part of the tapered hole is of a grouting hole structure with equal diameter. Threaded hole female connection has embedded bar, and the one end that the threaded hole was kept away from to the sleeve body is equipped with connecting reinforcement, and connecting reinforcement's one end stretches into the sleeve originally internally, then, by grout hole grout, fills up the sleeve body until the thick liquids.
In view of the above-mentioned related art, the inventor believes that there is a defect that the connection steel bar extends into the sleeve, and the connection steel bar may not be in the center of the sleeve, and the connection steel bar is not easy to adjust during installation, resulting in low installation efficiency.
SUMMERY OF THE UTILITY MODEL
The application provides a prefabricated assembled concrete member is with steel reinforcement sleeve grout connecting piece for improving installation effectiveness.
The application provides a pair of steel sleeve grouting connecting piece for prefabricated assembled concrete member adopts following technical scheme:
the utility model provides a prefabricated assembled is steel sleeve grout connecting piece for concrete member, including the sleeve body, the one end of sleeve body is connected with the connector, the one end that the sleeve body was kept away from to the connector is equipped with the screw hole, this internal spacing subassembly that is equipped with of sleeve, spacing subassembly includes stopper and bracing piece, the stopper is the cylindric structure coaxial with the sleeve body, spacing hole coaxial with the sleeve body has been seted up on the top of stopper, the diameter in spacing hole is greater than the diameter of connecting reinforcement, the thickness of stopper is run through in spacing hole, the bracing piece is equipped with a plurality ofly, the one end and the stopper fixed connection of bracing piece, the inner wall fixed connection of the other end and sleeve body.
Through adopting above-mentioned technical scheme, stretch into sleeve body with the splice bar after, the one end of splice bar is through the stopper, and it is originally internal to continue to stretch into the sleeve along the length direction of sleeve body, until the tip of splice bar and the interior diapire butt of sleeve body. The setting of stopper can carry on spacingly to the axial of coupling bar, reduces the phenomenon that the coupling bar squinted at this internal appearance of sleeve, and then can make things convenient for coupling bar to adjust well with the sleeve body for inside the coupling bar more can stretch into the sleeve body smoothly more, reduces the number of times of adjustment coupling bar position, and then can promote work efficiency.
Preferably, the top end of the limiting hole is flared.
Through adopting above-mentioned technical scheme, the spacing hole of flaring form for in the one end of connecting reinforcement stretches into the spacing piece more easily, and then can promote the smooth and easy nature that connecting reinforcement passed the stopper, provide the convenience for the staff.
Preferably, a fixing bolt is arranged between the sleeve body and the connecting steel bar used for connection, and the fixing bolt penetrates through the side wall of the sleeve body to be tightly abutted to the connecting steel bar.
Through adopting above-mentioned technical scheme, stretch into the sleeve this internally with the connecting reinforcement, screw up fixing bolt for fixing bolt and the inseparable butt of connecting reinforcement can promote the stability of connecting reinforcement, reduce when this internal slip casting of sleeve, the phenomenon that the connecting reinforcement takes place to squint, and then can promote the stability that the connecting reinforcement is connected.
Preferably, one end of the fixing bolt, which is far away from the sleeve body, is fixedly connected with a fixing rod.
Through adopting above-mentioned technical scheme, twist and move the dead lever, the dead lever rotates and drives fixing bolt and rotate. It is inconvenient for a person to apply a force directly to the fixing bolt, and the effective force is small, sometimes requiring an additional tool to tighten the fixing bolt. The setting of dead lever for when twisting fixing bolt, do not need directly to exert the effort to fixing bolt, on the effort that applys the dead lever transmits fixing bolt, can make things convenient for the co-worker to twist fixing bolt, improve the convenience.
Preferably, the sleeve body is internally provided with a positioning block, the positioning block is positioned at one end, close to the connector, of the sleeve body and is fixedly connected with the inner wall of the sleeve body, one end, far away from the connector, of the positioning block is provided with a positioning hole coaxial with the sleeve body, and the diameter of the positioning hole is larger than that of the connecting steel bar.
Through adopting above-mentioned technical scheme, setting up of locating hole makes behind the connecting reinforcement stretches into the sleeve body, can stretch into in the locating hole, and the locating hole can play the effect of location to the tip of connecting reinforcement, and then can promote the stability of connecting reinforcement when the slip casting, and the phenomenon that connecting reinforcement takes place the skew when reducing the slip casting promotes connecting reinforcement's joint strength.
Preferably, one end of the positioning hole, which is far away from the connecting body, is flared.
Through adopting above-mentioned technical scheme, the locating hole of flaring form can make things convenient for the one end of connecting reinforcement to stretch into in the locating hole, and then can promote the connecting reinforcement and stretch into the smooth and easy nature of locating hole, improves work efficiency.
Preferably, a connecting ring is arranged in the sleeve body, and the outer peripheral surface of the connecting ring is abutted against and fixedly connected with the inner wall of the sleeve body.
Through adopting above-mentioned technical scheme, the setting of go-between can increase the friction dynamics and the joint strength between sleeve body and the inside thick liquids of sleeve body, and then can promote the atress performance of sleeve body, for example tensile strength and shear strength to can promote the connection performance of prefabricated building.
Preferably, the peripheral surface of the sleeve body is provided with a groove.
Through adopting above-mentioned technical scheme, the setting of recess can promote frictional force and degree and joint strength between this external thick liquids of sleeve body and sleeve, and then can promote the atress ability of sleeve body to can promote the connection stability of assembled building.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the setting of stopper, spacing hole and bracing piece can play spacing effect to the connecting reinforcement, reduces the phenomenon that the connecting reinforcement takes place the skew at this internal emergence of sleeve, and then can reduce the phenomenon of adjusting the connecting reinforcement position to can promote work efficiency.
2. Fixing bolt's setting can promote the connecting reinforcement and stretch into this internal back of sleeve, and the stability of connecting reinforcement, and then when can reducing the notes oar, the phenomenon of connecting reinforcement skew takes place at this internal emergence of sleeve, and then can promote assembled building's mechanism intensity.
3. The setting of go-between can promote this internal thick liquids of sleeve and sleeve body between frictional strength and joint strength, and then can promote the atress ability of sleeve body to can promote the stability of assembled building.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Fig. 2 is a cross-sectional view of an embodiment of the present application.
Reference numerals: 1. a sleeve body; 11. a linker; 111. a threaded hole; 12. grouting ports; 13. a pulp discharge port; 14. a seal ring; 2. a limiting component; 21. a limiting block; 211. a limiting hole; 22. a support bar; 3. fixing the bolt; 31. fixing the rod; 4. positioning blocks; 41. positioning holes; 5. a connecting ring; 6. a groove; 7. connecting reinforcing steel bars; 8. and (6) embedding reinforcing steel bars.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
Combine fig. 1 and fig. 2, this application embodiment discloses a prefabricated steel bar sleeve grout connecting piece for concrete member, and it includes the sleeve body 1 of vertical setting, and the top of sleeve body 1 is the opening form, and the bottom of sleeve body 1 is connected with connector 11, and the screw hole 111 that is used for threaded connection in embedded steel 8 is offered to connector 11's bottom. Be equipped with sealing ring 14 in the sleeve body 1, sealing ring 14 is located the top of sleeve body 1, and the outer wall of sealing ring 14 and the inner wall butt and the fixed connection of sleeve body 1. A grouting opening 12 is formed at the position close to the bottom end of the sleeve body 1, and a grout discharging opening 13 is formed at the position close to the top end of the sleeve body 1.
Referring to fig. 2, a connecting ring 5 coaxial with the sleeve body 1 is arranged in the sleeve body 1, the inner diameter of the connecting ring 5 is larger than the diameter of the connecting steel bar 7, the outer wall of the connecting ring 5 is abutted against and fixedly connected with the inner wall of the sleeve body 1, and the three connecting rings 5 are axially distributed at intervals along the sleeve body 1. The outer wall of the sleeve body 1 is provided with six annular grooves 6 which are coaxial with the sleeve body, and the six grooves 6 are distributed at intervals along the axial direction of the sleeve body 1.
When connecting embedded bar 8 and connecting reinforcement 7, at first with embedded bar 8 threaded connection in screw hole 111, then, stretch into sleeve body 1 with connecting reinforcement 7's one end by sleeve body 1's top in, then, pour into the thick liquids into by grout mouth 12 in to sleeve body 1 again, until the thick liquids by row's thick liquids mouth 13 discharge, at last, shutoff grout mouth 12 and row's thick liquids mouth 13 can.
Referring to fig. 2, this internal spacing subassembly 2 that is equipped with of sleeve, spacing subassembly 2 includes stopper 21 and bracing piece 22, stopper 21 is located grout mouthful 12 and arranges between the grout mouth 13, stopper 21 is the cylindric structure coaxial with sleeve body 1, stopper 21's top has seted up the spacing hole 211 coaxial with stopper 21, the diameter of spacing hole 211 is greater than the diameter of splice bar 7, spacing hole 211 runs through stopper 21's thickness, the top of spacing hole 211 is the flaring form. The bracing piece 22 level is equipped with four, along stopper 21's periphery interval distribution, bracing piece 22's one end and stopper 21's outer wall fixed connection, the other end and sleeve body 1's inner wall fixed connection.
Referring to fig. 2, be equipped with locating piece 4 in the sleeve body 1, locating piece 4 is located the below of grout mouth 12, the bottom of locating piece 4 and the interior diapire fixed connection of sleeve body 1, the lateral wall of locating piece 4 and the inner wall butt and the fixed connection of sleeve body 1, locating hole 41 has been seted up on the top of locating piece 4, the top of locating hole 41 is the flaring form.
Referring to fig. 2, be equipped with fixing bolt 3 between sleeve body 1 and the connecting reinforcement 7, fixing bolt 3 is equipped with two, along the circumference distribution of sleeve body 1, and fixing bolt 3 screw thread passes sleeve body 1's wall thickness and connecting reinforcement 7 inseparable butt. One end of the fixing bolt 3 far away from the sleeve body 1 is fixedly connected with a fixing rod 31, and the length direction of the fixing rod 31 is perpendicular to the axis direction of the fixing bolt 3.
When grouting into sleeve body 1, stretch into sleeve body 1 with connecting reinforcement 7 in, connecting reinforcement 7's one end at first stretches into spacing hole 211, passes spacing hole 211 back, continues to stretch into to sleeve body 1's bottom to stretch into locating hole 41, then by grout mouth 12 slip casting.
The implementation principle of prefabricated assembled steel sleeve grout connecting piece for concrete member of this application embodiment is: when connecting the embedded steel bars 8 and the connecting steel bars 7, firstly connecting the embedded steel bars 8 in the threaded holes 111 in a threaded manner, then extending one ends of the connecting steel bars 7 into the sleeve body 1 from the top end of the sleeve body 1, firstly enabling one ends of the connecting steel bars 7 to penetrate through the limiting holes 211 and then extend into the positioning holes 41, and finally enabling the end parts of the connecting steel bars 7 to be abutted against the bottom end of the sleeve body 1; and injecting slurry into the sleeve body 1 through the grouting opening 12 until the slurry is discharged from the slurry discharge hole, and finally plugging the grouting opening 12 and the slurry discharge opening 13.
The setting of stopper 21 can carry on spacingly to the circumference of connecting reinforcement 7, reduces the phenomenon that connecting reinforcement 7 squinted in sleeve body 1, and then can reduce the phenomenon of adjustment connecting reinforcement 7 position, and then can promote work efficiency.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a prefabricated assembled is steel bar sleeve connecting piece that is in milk for concrete member, includes sleeve body (1), and the one end of sleeve body (1) is connected with connector (11), and the one end that sleeve body (1) was kept away from in connector (11) is equipped with screw hole (111), its characterized in that: be equipped with spacing subassembly (2) in sleeve body (1), spacing subassembly (2) include stopper (21) and bracing piece (22), stopper (21) are the cylindric structure coaxial with sleeve body (1), spacing hole (211) coaxial with sleeve body (1) have been seted up on the top of stopper (21), the diameter in spacing hole (211) is greater than the diameter of connecting reinforcement (7), the thickness of stopper (21) is run through in spacing hole (211), bracing piece (22) are equipped with a plurality ofly, the one end and stopper (21) fixed connection of bracing piece (22), the inner wall fixed connection of the other end and sleeve body (1).
2. A steel bar sleeve grouting connector for prefabricated concrete members according to claim 1, wherein: the top end of the limiting hole (211) is flared.
3. A steel bar sleeve grouting connector for prefabricated concrete members according to claim 1, wherein: the sleeve is characterized in that the sleeve body (1) is connected with a fixing bolt (3) in a threaded manner, and the fixing bolt (3) penetrates through the side wall of the sleeve body (1) to be tightly abutted against the connecting steel bar (7).
4. A steel bar sleeve grouting connector for prefabricated concrete members according to claim 3, wherein: one end of the fixing bolt (3) far away from the sleeve body (1) is fixedly connected with a fixing rod (31).
5. A steel bar sleeve grouting connector for prefabricated concrete members according to claim 1, wherein: be equipped with locating piece (4) in sleeve body (1), locating piece (4) are located sleeve body (1) and are close to the one end of connector (11) and the inner wall fixed connection of sleeve body (1), and locating piece (4) keep away from the one end of connector (11) and offer locating hole (41) coaxial with sleeve body (1), and the diameter of locating hole (41) is greater than the diameter of connecting reinforcement (7).
6. A steel bar sleeve grouting connector for prefabricated assembled concrete members according to claim 5, wherein: one end of the positioning hole (41) far away from the connecting body (11) is flared.
7. A steel bar sleeve grouting connector for prefabricated concrete members according to claim 1, wherein: the sleeve is characterized in that a connecting ring (5) is arranged in the sleeve body (1), and the outer peripheral surface of the connecting ring (5) is abutted against and fixedly connected with the inner wall of the sleeve body (1).
8. A steel bar sleeve grouting connector for prefabricated concrete members according to claim 1, wherein: the outer peripheral surface of the sleeve body (1) is provided with a groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021926229.5U CN213952716U (en) | 2020-09-05 | 2020-09-05 | Prefabricated assembled is steel bar sleeve connecting piece that is in milk for concrete member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021926229.5U CN213952716U (en) | 2020-09-05 | 2020-09-05 | Prefabricated assembled is steel bar sleeve connecting piece that is in milk for concrete member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213952716U true CN213952716U (en) | 2021-08-13 |
Family
ID=77201105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021926229.5U Expired - Fee Related CN213952716U (en) | 2020-09-05 | 2020-09-05 | Prefabricated assembled is steel bar sleeve connecting piece that is in milk for concrete member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213952716U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115749147A (en) * | 2022-09-14 | 2023-03-07 | 中交建筑集团有限公司 | Assembled building sleeve grouting device and method |
| US11939768B1 (en) | 2022-09-14 | 2024-03-26 | CCCC Construction Group Co., Ltd. | Sleeve grouting device and method for prefabricated building |
-
2020
- 2020-09-05 CN CN202021926229.5U patent/CN213952716U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115749147A (en) * | 2022-09-14 | 2023-03-07 | 中交建筑集团有限公司 | Assembled building sleeve grouting device and method |
| US11939768B1 (en) | 2022-09-14 | 2024-03-26 | CCCC Construction Group Co., Ltd. | Sleeve grouting device and method for prefabricated building |
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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: 20210813 |