CN201217889Y - Plug-in type grouting reinforced steel coupling sleeve - Google Patents
Plug-in type grouting reinforced steel coupling sleeve Download PDFInfo
- Publication number
- CN201217889Y CN201217889Y CNU2008200901370U CN200820090137U CN201217889Y CN 201217889 Y CN201217889 Y CN 201217889Y CN U2008200901370 U CNU2008200901370 U CN U2008200901370U CN 200820090137 U CN200820090137 U CN 200820090137U CN 201217889 Y CN201217889 Y CN 201217889Y
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- connection
- reinforcing bar
- sealing ring
- elastic rubber
- rubber sealing
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- Expired - Lifetime
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Abstract
The utility model relates to an inserting type grouting steel bar connecting sleeve barrel. In the traditional cast-in-place concrete structure, the connection of steel bars mostly adopts the mechanical connection methods of lapping connection, welding connection or sleeve barrel extrusion, and the like, the connection construction of the steel bars is complicated, and the connection of the steel bars can be completed before concrete is cast, so the traditional cast-in-place concrete structure is not suitable for an assembled type construction method of a precast concrete structure. The connecting sleeve barrel comprises a body (1) which is provided with an elastic rubber sealing ring (2)and holes at both ends; three limited blocks (5) are arranged in the middle of the inner part of the body and are distributed in 120 degrees along the inner wall, a slope is arranged toward the direction of the steel bars, both ends of the body are provided with a grouting hole (2) and an exhaust hole (3) which are communicated with the inner part of the body, and tapered threads (6) are arranged on the inner wall of the body. The inserting type grouting steel bar connecting sleeve barrel is used for the assembled type connection of the steel bars.
Description
Technical field:
The utility model relates to a kind of plug-in type grouting reinforcing steel bar connecting sleeve tube that the reinforcing bar assembling connects that is used for.
Background technology:
In traditional cast-in-place concrete structure, the connection of reinforcing bar adopts overlap joint to connect, be welded to connect or mechanical connection method such as compression sleeve more, the construction that reinforcing bar connects is comparatively complicated, and must before fluid concrete, finish the connection of reinforcing bar, be not suitable for the fabricated construction worker method of precast concrete.
Summary of the invention:
The purpose of this utility model provides a kind of simple to operate, dependable performance, is suitable for the plug-in type grouting reinforcing steel bar connecting sleeve tube of concrete structure fabricated construction.
Above-mentioned purpose realizes by following technical scheme:
Plug-in type grouting reinforcing steel bar connecting sleeve tube, its composition comprises: the body that the both ends open of elastic rubber sealing ring is housed, has one group of limited block that becomes 120 ° of distributions along inwall in the middle of the described body interior, be provided with the slope towards the reinforcing bar direction, described body two ends are provided with grout hole and the steam vent with internal communication, and described inner body wall is a tapered thread.
Described plug-in type grouting reinforcing steel bar connecting sleeve tube, the hoop thickness of described elastic rubber sealing ring is bigger than the slit between sleeve and the reinforcing bar, and the internal diameter of elastic rubber sealing ring is littler than reinforcing bar external diameter.
The beneficial effects of the utility model:
1. the utility model two ends are provided with grout hole and the steam vent with sleeve inner UNICOM, so that pour into the cement-based grout material by grout hole, steam vent makes filling process more smooth and easy.Grout hole and steam vent hole wall are provided with one section screw thread, when being convenient to Grouting Pipe and being screwed into it in conjunction with closely.The effect of elastic rubber sealing ring is exactly to avoid grouting to expect to trickle metal sleeve before setting and harden.
The utility model be used for reinforcing bar that an end is embedded in precast unit in advance in advance, the other end when the precast unit lifting is installed with the corresponding one by one insertion connection of reserved steel bar of another precast unit, so interior external diameter difference at these sleeve two ends, the interior external diameter of a pre-buried end is less, but internal diameter just can be so that reinforcing bar inserts, when being suitable for precast unit and making in the factory mounting condition comparatively under the good situations as pre-buried and with being connected of reinforcing bar; External diameter is bigger in the other end, when being convenient to the lifting installation because of operation and construction environment complexity, even another precast unit reserved steel bar also can very successfully insert reinforcing bar when having than mistake and connect.
3. the utility model bosom position design has 3 limited blocks that become 120 degree to distribute, form with the sleeve integrally casting along sleeve lining, this limited block is provided with the slope towards prior pre-buried reinforcing bar direction, the diameter of middle part, slope is identical with the external diameter of reinforcing bar, this slope defines the insertion depth of reinforcing bar when reinforcing bar inserts, define the shaft core position of reinforcing bar again, space between the limited block can make the grouting material closely knit by being in the milk smoothly again, therefore promptly can fully guarantee the correct design position of reinforcing bar, can obtain reliable connection effect again.
4. for the bonding of reinforcing steel bar, the utility model inwall is designed to comparatively thick screw thread form, simultaneously in order when sleeve is cast, to make inner mold deviate from smoothly, this screw thread design is a tapered thread, be convenient to the demoulding of inner mold and back-out, in addition, tapered thread makes that sleeve middle part wall thickness is thick slightly, two ends are thin slightly, also met the principle that adhesion stress is transmitted between reinforcing bar and the sleeve, promptly met the sleeve middle part because of the stressed big thicker material of needs, and two ends are because of the adhesion stress transmission, and sleeve internal force reduces gradually and do not need the principle of thicker material.
5. the utility model adopts the slit between elastic rubber sealing ring seal sleeve and the reinforcing bar, expect before setting and harden, to trickle metal sleeve to avoid grouting, this elastic rubber sealing ring hoop thickness is bigger slightly than the slit between sleeve and the reinforcing bar, and the internal diameter of elastic rubber sealing ring is slightly littler than reinforcing bar external diameter, like this when elastic rubber sealing ring is clamp-oned slit between reinforcing bar and the sleeve, because of elastic rubber sealing ring has better elastic, can fit with sleeve lining and reinforcing bar outer wall respectively fully in its outside and inboard, then the slit between seal sleeve and the reinforcing bar fully.
6. the utility model attended operation is simple, and just by factory is pre-buried by hand, on-site hoisting inserts and simple filling process, work progress does not need complicated mechanical equipment and facility, does not need power consumption yet.The reinforcing bar switching performance is reliable, plug-in type grouting reinforcing steel bar connecting sleeve tube adopts the nodular cast iron casting, this Strength of Metallic Materials height, deformability are strong, but the reinforcing bar after the connection gets final product also tension of pressurized, can satisfy same section bar splice rate and be a grade reinforcing steel connection request of 100%, characteristics are built in the construction that therefore is suitable for the housing industrialization precast concrete.Construction quality is easy to guarantee that the job site is to do operation substantially, has fully avoided all disadvantages of traditional reinforcing bar connected mode.
Description of drawings:
Accompanying drawing 1 is a structural scheme of mechanism of the present utility model.
Accompanying drawing 2 is A-A sectional views of accompanying drawing 1.
The specific embodiment:
Embodiment 1:
Plug-in type grouting reinforcing steel bar connecting sleeve tube, its composition comprises: the body 1 that the both ends open of elastic rubber sealing ring 2 is housed, have 3 limited blocks 5 that become 120 ° of distributions along inwall in the middle of the described body interior, be provided with the slope towards the reinforcing bar direction, described body two ends are provided with grout hole 2 and the steam vent 3 with internal communication, and described inner body wall is a tapered thread 6.
Described plug-in type grouting reinforcing steel bar connecting sleeve tube, the hoop thickness of described elastic rubber sealing ring 2 is bigger than the slit between sleeve and the reinforcing bar, and the internal diameter of elastic rubber sealing ring 2 is littler than reinforcing bar external diameter.
When precast unit factory manufactures, its end reinforced this sleeve that is embedded with in advance, and the less end of reinforcing bar external diameter in the sleeve inserts, clamp-on elastic rubber sealing ring 2 simultaneously, steel bar end supports the slope place identical with the reinforcing bar external diameter to limited block 5, can guarantee the projected depth that reinforcing bar inserts and guarantee that reinforcing bar axle center and sleeve axle center are on same axis by elastic rubber sealing ring 2 and limited block 5.
When the precast unit that has a pre-buried sleeve lifts at the construction field (site), Dui Jie back insertion reinforcing bar 8 is bigger because of sleeve other end internal diameter with it, can dock and be inserted into projected depth smoothly with it, be placed in elastic rubber sealing ring 2 on the reinforcing bar simultaneously and clamp-on slit between sleeve and the reinforcing bar.Precast unit through adjust fixing after, can connect grout pipe and pour into the cement-based grout material by grout hole 3 and guarantee to be in the milk closely knit by steam vent 4 exhausts, first embedded bar 7 and back can be inserted reinforcing bar 8 behind the grouting material setting and harden and be connected in one by sleeve.
Claims (2)
1. plug-in type grouting reinforcing steel bar connecting sleeve tube, its composition comprises: the body that the both ends open of elastic rubber sealing ring is housed, it is characterized in that: have one group of limited block that becomes 120 ° of distributions along inwall in the middle of the described body interior, be provided with the slope towards the reinforcing bar direction, described body two ends are provided with grout hole and the steam vent with internal communication, and described inner body wall is a tapered thread.
2. plug-in type grouting reinforcing steel bar connecting sleeve tube according to claim 1, it is characterized in that: the hoop thickness of described elastic rubber sealing ring is bigger than the slit between sleeve and the reinforcing bar, and the internal diameter of elastic rubber sealing ring is littler than reinforcing bar external diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200901370U CN201217889Y (en) | 2008-06-05 | 2008-06-05 | Plug-in type grouting reinforced steel coupling sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200901370U CN201217889Y (en) | 2008-06-05 | 2008-06-05 | Plug-in type grouting reinforced steel coupling sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201217889Y true CN201217889Y (en) | 2009-04-08 |
Family
ID=40540721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200901370U Expired - Lifetime CN201217889Y (en) | 2008-06-05 | 2008-06-05 | Plug-in type grouting reinforced steel coupling sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201217889Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828580A (en) * | 2011-06-17 | 2012-12-19 | 中冶建筑研究总院有限公司 | Cement grouting reinforcement connector |
| CN104358360A (en) * | 2014-10-31 | 2015-02-18 | 沈阳建筑大学 | Full-grouting sleeve for connection of construction reinforcing steel bars |
| CN104963454A (en) * | 2015-07-07 | 2015-10-07 | 山东万斯达建筑科技股份有限公司 | Cage type steel bar connector with cone and construction method thereof |
| CN105064623A (en) * | 2015-08-31 | 2015-11-18 | 裴捷尔 | Hinge type steel bar connecting set |
| CN107419851A (en) * | 2017-04-28 | 2017-12-01 | 江苏大学 | A kind of CFRP tendons material binding type interconnection system anchorage and its construction method |
| CN109208474A (en) * | 2018-11-06 | 2019-01-15 | 长沙理工大学 | A kind of steel-UHPC the combined bridge deck structure and construction method of non-arrangement of reinforcement |
-
2008
- 2008-06-05 CN CNU2008200901370U patent/CN201217889Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828580A (en) * | 2011-06-17 | 2012-12-19 | 中冶建筑研究总院有限公司 | Cement grouting reinforcement connector |
| CN104358360A (en) * | 2014-10-31 | 2015-02-18 | 沈阳建筑大学 | Full-grouting sleeve for connection of construction reinforcing steel bars |
| CN104963454A (en) * | 2015-07-07 | 2015-10-07 | 山东万斯达建筑科技股份有限公司 | Cage type steel bar connector with cone and construction method thereof |
| CN104963454B (en) * | 2015-07-07 | 2017-06-16 | 山东万斯达建筑科技股份有限公司 | A kind of cage reinforcing bar connector with cone cylinder and its construction method |
| CN105064623A (en) * | 2015-08-31 | 2015-11-18 | 裴捷尔 | Hinge type steel bar connecting set |
| CN107419851A (en) * | 2017-04-28 | 2017-12-01 | 江苏大学 | A kind of CFRP tendons material binding type interconnection system anchorage and its construction method |
| CN109208474A (en) * | 2018-11-06 | 2019-01-15 | 长沙理工大学 | A kind of steel-UHPC the combined bridge deck structure and construction method of non-arrangement of reinforcement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Insertion grouted reinforcing steel bar connecting sleeve and construction method thereof Effective date of registration: 20150216 Granted publication date: 20090408 Pledgee: The Bank of Jinzhou Limited by Share Ltd Harbin Qunli branch Pledgor: Heilongjiang Yuhui New Building Materials Co., Ltd. Registration number: 2015230000003 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160905 Granted publication date: 20090408 Pledgee: The Bank of Jinzhou Limited by Share Ltd Harbin Qunli branch Pledgor: Heilongjiang Yuhui New Building Materials Co., Ltd. Registration number: 2015230000003 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090408 |
|
| CX01 | Expiry of patent term |