CN220184445U - Can realize half grout sleeve of centering - Google Patents
Can realize half grout sleeve of centering Download PDFInfo
- Publication number
- CN220184445U CN220184445U CN202321407444.8U CN202321407444U CN220184445U CN 220184445 U CN220184445 U CN 220184445U CN 202321407444 U CN202321407444 U CN 202321407444U CN 220184445 U CN220184445 U CN 220184445U
- Authority
- CN
- China
- Prior art keywords
- sleeve body
- assembly
- sleeve
- centering
- grouting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011440 grout Substances 0.000 title claims abstract description 23
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 33
- 230000003014 reinforcing effect Effects 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002002 slurry Substances 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 230000004075 alteration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model discloses a semi-grouting sleeve capable of realizing centering, which comprises a sleeve body, a prefabricated end reinforcing steel bar, an assembly end reinforcing steel bar, a grouting nozzle and a grout outlet nozzle, wherein one end of the sleeve body is a connecting end capable of being connected with the prefabricated end reinforcing steel bar, the other end of the sleeve body is an assembly end connected with the assembly end reinforcing steel bar, the end part of the prefabricated end reinforcing steel bar is provided with external threads, the connecting end of the sleeve body is provided with internal threads, the prefabricated end reinforcing steel bar is connected with the connecting end of the sleeve body through threads, the assembly end of the sleeve body is provided with a rubber plug, the rubber plug is provided with a perforation allowing the assembly end reinforcing steel bar to pass through, the sleeve body is provided with the grouting nozzle and the grout outlet nozzle, and the grouting nozzle and the grout outlet nozzle are fixedly connected with the grouting nozzle and the grout outlet respectively; the centering assembly is fixedly connected with one end of the reinforcing steel bar at the assembly end, and the centering assembly is positioned in the sleeve body. The semi-grouting sleeve capable of realizing centering has the advantages of convenience in processing, manufacturing and use, stable structure and high accuracy.
Description
Technical Field
The utility model relates to the technical field of grouting sleeves, in particular to a semi-grouting sleeve capable of achieving centering.
Background
Grouting sleeves are classified into half grouting sleeves and full grouting sleeves. One end of the joint connected with the half grouting sleeve is in grouting connection, and the other end of the joint is in mechanical connection.
Chinese patent CN 109487958A discloses a half grouting sleeve structure capable of realizing self-centering of reinforcing steel bar and a method thereof, which specifically discloses: firstly, a smooth round steel pipe die is used for manufacturing a grouting sleeve body, then the inner wall of the grouting sleeve is threaded, threads on the inner wall of the sleeve extend along the circumferential surface and are matched with threads on the outer wall of a nut with an elastic steel sheet and a steel bar threaded connector, the steel bar threaded connector is screwed to the design position of the grouting sleeve body, a steel bar with threads is screwed into the steel bar threads again, and then the manufactured grouting sleeve body is prefabricated into a component. It needs at the inside internal thread of processing of sleeve body, the outside processing external screw thread of nut, pass through threaded connection with nut and sleeve body, its course of working is complicated, and when the assembly, it is long consuming time, inefficiency, and, centering to the reinforcing bar through the elastic steel sheet in nut outside, because the elastic steel sheet has elasticity, if the mounting position of elastic steel sheet and nut is inaccurate, then lead to the reinforcing bar centering poor, if to install accurately, then need elastic steel sheet and nut when the welding, it is long to take time, so above-mentioned structure can't satisfy the user demand.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problem to be solved by the application is how to provide a semi-grouting sleeve which is convenient to process, manufacture and use, stable in structure and high in accuracy and can realize centering.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a can realize half grout sleeve of centering, includes sleeve body, prefabricated end reinforcing bar, assembly end reinforcing bar, grout mouth and play thick liquid mouth, the one end of sleeve body be can with prefabricated end reinforcing bar connection's link, the other end be with assembly end of assembly end reinforcing bar connection, the tip of prefabricated end reinforcing bar has the external screw thread, the link of sleeve body is provided with the internal screw thread, prefabricated end reinforcing bar passes through the screw thread and is connected with the link of sleeve body, the rubber buffer is installed to the assembly end of sleeve body, the perforation that allows assembly end reinforcing bar to pass is offered to the rubber buffer, be provided with grout mouth and play thick liquid mouth on the sleeve body, grout mouth, play thick liquid mouth respectively with grout mouth, play thick liquid mouth on detachable the play thick liquid mouth installs the sealing plug; the sleeve is characterized by comprising a centering assembly, wherein the centering assembly is fixedly connected with one end of the reinforcing steel bar at the assembly end, and the centering assembly is positioned in the sleeve body.
Therefore, when the sleeve is assembled, the prefabricated end reinforcing steel bars are connected with the connecting end of the sleeve body through threads, then the centering assembly is connected with the assembling end reinforcing steel bars, the centering assembly is inserted into the assembling end of the sleeve body, the rubber plug is installed, slurry is fed through the grouting nozzle, slurry is discharged through the slurry outlet nozzle, and then the grouting nozzle and the slurry outlet nozzle are plugged through the sealing plug, so that the assembly is completed.
The centering assembly comprises a connecting ring, wherein the connecting ring is provided with an internal threaded hole, the end part of the reinforcing steel bar at the assembling end is provided with external threads connected with the internal threaded hole, a plurality of reinforcing bars are fixedly arranged in the circumferential direction of the connecting ring, a plurality of reinforcing rings arranged at intervals are fixedly arranged on the outer sides of the reinforcing bars, an abutting structure is outwards fixed on the connecting ring, a plurality of supporting rods arranged radially are outwards fixed on the reinforcing rings, and the outer ends of the supporting rods are in contact with the inner side wall of the sleeve body;
the connecting end of the sleeve body is provided with an inner conical surface, and the abutting structure is abutted with the inner conical surface.
Therefore, when centering, the assembly end reinforcing steel bars are connected with the connecting ring through threads, the centering assembly is located at the assembly end of the sleeve body, the abutting structure abuts against the inner conical surface of the sleeve body to prompt the assembly end reinforcing steel bars to be assembled in place, and the centering assembly is located at the centering position and is high in centering precision and can not prevent the slurry from flowing through the supporting rods and the inner side walls of the sleeve body.
The abutting structure is a disc, the disc is fixedly arranged at the end part of the connecting ring, and the disc is abutted with the inner conical surface of the sleeve body. The disc is abutted with the inner conical surface.
The abutting structure is an abutting rod, a plurality of abutting rods are radially arranged along the circumferential direction of the connecting ring, and the abutting rods are abutted with the inner conical surface of the sleeve body. The abutting rod abuts against the inner conical surface.
The outer surface of the assembly end of the sleeve body is provided with a spiral rolling groove, and the inner surface of the sleeve body is provided with a spiral rolling protrusion. The tensile strength of the whole structure after grouting is improved.
The perforation of the rubber plug comprises a flat section in interference fit with the reinforcing steel bar at the assembling end and a cone section positioned at the outer side of the flat section. Through the setting of awl mouth section for assembly end reinforcing bar can get into plain end section fast, and plain end section is to reinforcing bar interference fit, avoids the thick liquids to leak.
In conclusion, the semi-grouting sleeve capable of realizing centering has the advantages of convenience in processing, manufacturing and use, stable structure and high accuracy.
Drawings
Fig. 1 is a schematic structural view of a semi-grouting sleeve capable of achieving centering according to the present utility model.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a schematic view of a centering assembly.
Fig. 4 is a schematic view of another orientation of fig. 3.
Fig. 5 is a schematic view of the connection of the centering assembly to the mounting-end rebar.
Fig. 6 is a schematic view of a rubber stopper.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings. In the description of the present utility model, it should be understood that the azimuth or positional relationship indicated by the azimuth words such as "upper, lower" and "top, bottom", etc. are generally based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and these azimuth words do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth or be constructed and operated in a specific azimuth, without limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
As shown in fig. 1-6, a semi-grouting sleeve capable of realizing centering comprises a sleeve body 1, a prefabricated end reinforcing steel bar 2, an assembly end reinforcing steel bar 3, a grouting nozzle 4 and a grout outlet nozzle 5, wherein one end of the sleeve body is a connecting end capable of being connected with the prefabricated end reinforcing steel bar, the other end of the sleeve body is an assembly end connected with the assembly end reinforcing steel bar, the end part of the prefabricated end reinforcing steel bar is provided with external threads, the connecting end of the sleeve body is provided with internal threads, the prefabricated end reinforcing steel bar is connected with the connecting end of the sleeve body through threads, the assembly end of the sleeve body is provided with a rubber plug 6, the rubber plug is provided with a perforation allowing the assembly end reinforcing steel bar to pass through, the sleeve body is provided with a grouting opening and a grout outlet nozzle, the grouting nozzle and the grout outlet nozzle are respectively fixedly connected with the grouting opening and the grout outlet nozzle, the grouting nozzle and the grout outlet nozzle are respectively close to the assembly end and the connecting end, and the grout outlet nozzle are detachably provided with sealing plugs; the sleeve comprises a centering assembly, wherein the centering assembly is fixedly connected with one end of an assembly end reinforcing steel bar, and the centering assembly is positioned in the sleeve body.
Therefore, when the sleeve is assembled, the prefabricated end reinforcing steel bars are connected with the connecting end of the sleeve body through threads, then the centering assembly is connected with the assembling end reinforcing steel bars, the centering assembly is inserted into the assembling end of the sleeve body, the rubber plug is installed, slurry is fed through the grouting nozzle, slurry is discharged through the slurry outlet nozzle, and then the grouting nozzle and the slurry outlet nozzle are plugged through the sealing plug, so that the assembly is completed.
When the centering assembly is implemented, the centering assembly comprises a connecting ring 7, an inner threaded hole is formed in the connecting ring, an outer thread connected with the inner threaded hole is formed at the end part of the reinforcing steel bar at the assembling end, a plurality of reinforcing bars 8 are fixedly arranged in the circumferential direction of the connecting ring, a plurality of reinforcing rings 9 arranged at intervals are fixedly arranged on the outer sides of the reinforcing bars, an abutting structure is fixedly arranged on the connecting ring outwards, a plurality of supporting rods 10 arranged radially are fixedly arranged on the reinforcing rings outwards, and the outer ends of the supporting rods are in contact with the inner side wall of the sleeve body;
the connecting end of the sleeve body is provided with an inner conical surface 11, and the abutting structure abuts against the inner conical surface.
Therefore, when centering, the assembly end reinforcing steel bars are connected with the connecting ring through threads, the centering assembly is located at the assembly end of the sleeve body, the abutting structure abuts against the inner conical surface of the sleeve body to prompt the assembly end reinforcing steel bars to be assembled in place, and the centering assembly is located at the centering position and is high in centering precision and can not prevent the slurry from flowing through the supporting rods and the inner side walls of the sleeve body. Through the arrangement of the reinforcement bars and the reinforcing rings, the overall tensile strength is improved.
In practice, the abutting structure is an abutting rod 12, a plurality of abutting rods are radially arranged along the circumferential direction of the connecting ring, and the abutting rods are abutted with the inner conical surface of the sleeve body. The abutting rod abuts against the inner conical surface.
In practice, the outer surface of the assembly end of the sleeve body is provided with a spiral rolling groove 13, and the inner surface is provided with a spiral rolling protrusion 14. The tensile strength of the whole structure after grouting is improved.
In practice, the perforation of the rubber plug comprises a plain end section 15 in interference fit with the reinforcing steel bar at the assembling end and a cone end section 16 positioned outside the plain end section. Through the setting of awl mouth section for assembly end reinforcing bar can get into plain end section fast, and plain end section is to reinforcing bar interference fit, avoids the thick liquids to leak.
Assembling:
1. the prefabricated end reinforcing steel bars are connected with the connecting end of the sleeve body through threads;
2. the steel bars at the assembling end are connected with the connecting ring through threads;
3. placing a centering assembly at the assembly end of the sleeve body;
4. installing a rubber plug;
5. pouring slurry, entering the slurry through a grouting nozzle, discharging the slurry through a slurry outlet nozzle, and then plugging the grouting nozzle and the slurry outlet nozzle by using a sealing plug to complete assembly.
Finally, it should be noted that: various modifications and alterations of this utility model may be made by those skilled in the art without departing from the spirit and scope of this utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. The utility model provides a can realize half grout sleeve of centering, includes sleeve body (1), prefabricated end reinforcing bar (2), assembly end reinforcing bar (3), grout mouth (4) and play thick liquid mouth (5), the one end of sleeve body is the link that can be connected with prefabricated end reinforcing bar, and the other end is the assembly end of being connected with assembly end reinforcing bar, the tip of prefabricated end reinforcing bar has the external screw thread, the link of sleeve body is provided with the internal screw thread, prefabricated end reinforcing bar passes through the screw thread and is connected with the link of sleeve body, rubber buffer (6) are installed to the assembly end of sleeve body, the perforation that allows the assembly end reinforcing bar to pass is seted up to the rubber buffer, be provided with grout mouth and play thick liquid mouth on the sleeve body, grout mouth, play thick liquid mouth fixed connection with grout mouth respectively, detachable installs the sealing plug on grout mouth and the play thick liquid mouth; the sleeve is characterized by comprising a centering assembly, wherein the centering assembly is fixedly connected with one end of the reinforcing steel bar at the assembly end, and the centering assembly is positioned in the sleeve body.
2. The semi-grouting sleeve capable of achieving centering according to claim 1, wherein the centering assembly comprises a connecting ring (7), an inner threaded hole is formed in the connecting ring, an outer thread connected with the inner threaded hole is formed at the end part of the assembly-end reinforcing steel bar, a plurality of reinforcing rods (8) are fixedly arranged in the circumferential direction of the connecting ring, a plurality of reinforcing rings (9) arranged at intervals are fixedly arranged on the outer sides of the reinforcing rods, an abutting structure is fixedly arranged on the outer sides of the connecting ring, a plurality of supporting rods (10) arranged in a radial mode are fixedly arranged on the outer sides of the reinforcing rings, and the outer ends of the supporting rods are in contact with the inner side wall of the sleeve body;
the connecting end of the sleeve body is provided with an inner conical surface (11), and the abutting structure is abutted with the inner conical surface.
3. A centring semi-grouting sleeve as claimed in claim 2, wherein the abutment is a disc fixedly mounted at the end of the connecting ring, the disc abutting against the inner conical surface of the sleeve body.
4. A centring-enabled semi-grouting sleeve as claimed in claim 2, characterised in that the abutment structure is an abutment rod (12) radially arranged along the circumference of the connecting ring, the abutment rod being in abutment with the inner conical surface of the sleeve body.
5. A centring-enabled semi-grouting sleeve as claimed in claim 1, characterised in that the outer surface of the fitting end of the sleeve body is provided with a helical rolling groove (13) and the inner surface is provided with a helical rolling protrusion (14).
6. A centring-enabled semi-grouting sleeve as claimed in claim 1, characterised in that the perforations of the rubber plug comprise a plain section (15) with an interference fit with the fitting-end reinforcing bar and a countersunk section (16) outside the plain section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321407444.8U CN220184445U (en) | 2023-06-05 | 2023-06-05 | Can realize half grout sleeve of centering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321407444.8U CN220184445U (en) | 2023-06-05 | 2023-06-05 | Can realize half grout sleeve of centering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220184445U true CN220184445U (en) | 2023-12-15 |
Family
ID=89109880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321407444.8U Active CN220184445U (en) | 2023-06-05 | 2023-06-05 | Can realize half grout sleeve of centering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220184445U (en) |
-
2023
- 2023-06-05 CN CN202321407444.8U patent/CN220184445U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100483000C (en) | Connection element | |
| CN220184445U (en) | Can realize half grout sleeve of centering | |
| CN109519620A (en) | A kind of flange arrangement that caliber can easily be accommodated and install | |
| CN205244701U (en) | Effective quick -operation joint of grain sample | |
| CN214117255U (en) | Full grouting sleeve for steel bar connection | |
| CN107178038B (en) | Anchor backing plate for reducing friction resistance of anchor mouth and horn mouth | |
| CN108193668A (en) | A kind of prefabricated pile for playing swollen engagement mechanism quick coupling, connection and attaching method thereof | |
| CN207812440U (en) | A kind of prefabricated pile playing swollen engagement mechanism quick coupling and its connection | |
| CN211736364U (en) | Detachable preformed hole sleeve | |
| US7290804B2 (en) | Plug connection between a corrugated hose and an unprofiled pipe | |
| CN209875645U (en) | High-strength precision steel pipe with elastic limiting easy-to-assemble and disassemble mechanism | |
| CN209894610U (en) | Novel pressing device for small-diameter polyethylene solid-wall pipe | |
| CN219139902U (en) | Three-way valve convenient to install | |
| CN207073228U (en) | Reinforced bar sleeve grouting jointing making fixture | |
| CN210318072U (en) | Screw with chip guide function | |
| CN114484088B (en) | High-strength stainless steel pipe and manufacturing method thereof | |
| CN211875359U (en) | Easy-to-mount flange assembly | |
| CN203428856U (en) | Connector of supporting pieces | |
| CN208090100U (en) | A kind of corrosion-resistant straight tube | |
| CN219282648U (en) | Shock insulation pipeline with reinforced structure | |
| CN220301327U (en) | High-tolerance mechanical connection structure with end plate | |
| CN220302977U (en) | Circular arc spiral steel pipe | |
| CN212672663U (en) | High-strength detachable wear-resistant ceramic elbow | |
| CN219140117U (en) | Flange mechanism for pharmaceutical equipment | |
| CN207796322U (en) | A kind of fiberglass sand inclusion pipe connecting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |