CN205100437U - Half grout sleeve of diameter -variable - Google Patents
Half grout sleeve of diameter -variable Download PDFInfo
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- CN205100437U CN205100437U CN201520676046.5U CN201520676046U CN205100437U CN 205100437 U CN205100437 U CN 205100437U CN 201520676046 U CN201520676046 U CN 201520676046U CN 205100437 U CN205100437 U CN 205100437U
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- grout sleeve
- tube
- half grout
- main body
- diameter
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Abstract
The utility model provides a half grout sleeve of diameter -variable, including seamless main part pipe, cone pipe and cylinder pipe, the main part inside pipe wall is the corrugated surface, and the upper end of main part pipe meets with cone pipe's major diameter end, and cone pipe's minor diameter end and cylinder pipe one end are met. The utility model discloses a half grout sleeve of diameter -variable's weight ratio prior art alleviates by a wide margin, makes the supporting power of building reduce, and half grout sleeve of diameter -variable's manufacturing cost is than prior art low about 70%. Half grout sleeve of diameter -variable's the easy connecting reinforcement of shape to make its deformation, make half grout sleeve of diameter -variable through extrusion and connecting reinforcement in close contact with, in order to solve the not enough of prior art.
Description
Technical field
The utility model relates to the reinforcing bar connector used in building unit, is a kind of reducing type half grout sleeve.
Background technology
The grout sleeve of current use is a kind of ironcasting, it is made up of the cylinder of equal diameters and conic tube, cylinder internal chamber wall arranges annular concave-convex, conic tube inwall arranges screw thread, and on cylindrical shell, offer injected hole and slurry outlet, this grout sleeve directly will insert reinforcing bar post-grouting in construction in cylinder, conic tube needs to insert another connecting reinforcement, reinforcing bar due to the connection of grout sleeve needs is the reinforcing bar in prefabricated units, so, rib on reinforcing bar must be peeled off clean at the construction field (site), cold breakdown is carried out in reinforcing bar one end and becomes silk, make reinforcing bar Cheng Sihou again with the threaded engagement on the conical cylinder section inwall in grout sleeve, the maximum deficiency of this grout sleeve is: must in construction on connecting reinforcement machining screw.On-the-spot machining screw complex procedures, the more difficult control of quality specifications, when threaded reinforcing bar end is inserted the thread segment of grout sleeve, torque spanner must be used, operation easier is large, due to operating personnel technical level not etc., the length that reinforcing bar inserts in grout sleeve must meet again national regulation requirement, extremely difficultly accomplishes higher qualification rate.Another deficiency of this grout sleeve is that manufacturing cost is high.
Utility model content
The purpose of this utility model is to provide a kind of reducing type half grout sleeve, to solve the deficiencies in the prior art.
The utility model for achieving the above object, be achieved through the following technical solutions: reducing type half grout sleeve, comprise seamless master pipe, conical tube and cylindrical tube, main body tube inwall is male and fomale(M&F), the upper end of main body tube connects with the larger diameter end of conical tube, and the smaller diameter end of conical tube connects with cylindrical tube one end.The inwall of cylindrical tube is smooth surface.Main body tube equal diameters, main body tube is offered injected hole and slurry outlet.The length H of cylindrical tube
1the length H of main body tube
21/5-1/2.The outer diameter D of cylindrical tube
2it is the outer diameter D of main body tube
11/5-4/5.Angle α between main body tube outer wall and conical tube outer wall is 20 °-30 °.The length H of cylindrical tube
1the length H of main body tube
21/3.The outer diameter D of cylindrical tube
2it is the outer diameter D of main body tube
12/3.
Reducing type half grout sleeve described in the utility model, seamless steel pipe can be adopted to make, choose steel pipe long tube as required and intercept into section, it is made to be deformed into shape described in the utility model by adding hot extrusion, revolutionize the preparation method of existing grout sleeve, to the pollution of working environment and air when decreasing casting, manufacturing process is simple, low cost of manufacture.Can complete in factory with connection lengthwise rib and be connected, thus significantly can improve rate of progress of the construction, working procedure is significantly simplified, and construction quality easily controls and detects, and improves the degree of being connected firmly of prefabricated units in building operations.The cylindrical tube of reducing type half grout sleeve described in the utility model is used for connecting reinforcement, due to cylindrical tube part equal diameters, the length that it can make connecting reinforcement insert in reducing type half grout sleeve is controlled, be easy to be up to state standards, and be easy to detect, meanwhile, can be large with connecting reinforcement contact area.The weight ratio prior art of reducing type half grout sleeve of the present utility model significantly alleviates, and the supporting power of building is reduced, and the manufacturing cost of reducing type half grout sleeve is lower than prior art by about 70%.The shape of reducing type half grout sleeve is easy to connecting reinforcement, and makes it be out of shape, and makes reducing type half grout sleeve through extruding and connecting reinforcement close contact.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of reducing type half grout sleeve; Accompanying drawing 2 is A-A sectional structure schematic diagrames in accompanying drawing 1; State diagram when accompanying drawing 3-accompanying drawing 8 is the utility model uses; Accompanying drawing 3 is state diagrams that connecting reinforcement inserts the cylindrical tube of reducing type half grout sleeve; Accompanying drawing 4 is by the cylindrical tube in reducing type half grout sleeve and the schematic diagram after connecting reinforcement compact siro spinning technology with extrusion die; Accompanying drawing 5 is processing mold lower die structure schematic diagrames that the utility model is applied in construction method; Accompanying drawing 6 is B-B sectional structure schematic diagrames in accompanying drawing 5; Accompanying drawing 7 is the upper die structure schematic diagrames of the extrusion die that the utility model uses in construction method; Accompanying drawing 8 is plan structure schematic diagrames of accompanying drawing 7.
In figure: 1 be main body tube, 2 are cylindrical tube, 3 are conical tubes, 4 are injected holes, 5 are slurry outlets, 6 are main body tube inwall male and fomale(M&F)s, 7 is connecting reinforcements, 8 is that external form after cylindrical tube extruding is protruding, 9 patrixes, 14 that are counterdies, 11 in processing mold are taper arch grooves, 12 to be semicolumn grooves, 13 be in extrusion die are arc grooves, 15 are grooves.
Detailed description of the invention
Contrast accompanying drawing is described further the utility model.
Reducing type half grout sleeve of the present utility model comprises seamless master pipe 1, conical tube 3 and cylindrical tube 2, main body tube 1 inwall is male and fomale(M&F), the upper end of main body tube 1 connects with the larger diameter end of conical tube 3, the smaller diameter end of conical tube 3 connects with cylindrical tube 2 one end, the inwall of cylindrical tube 2 is smooth surface, main body tube 1 equal diameters, main body tube 1 is offered injected hole 4 and slurry outlet 5, the cylindrical tube 2 of reducing type half grout sleeve described in the utility model is for extruding secure fit with connecting reinforcement, the length that it can make connecting reinforcement insert in reducing type half grout sleeve is controlled, easy to operate, quality of connection is high, can be large with connecting reinforcement contact area, improve tensile strength.When cylindrical tube 2 inwall is smooth surface, the manufacturing procedure of reducing type half grout sleeve can be reduced, not affect the bonding strength of cylindrical tube 2 and connecting reinforcement simultaneously.
The preferred scheme of the utility model is: the length H of cylindrical tube 2
1the length H of main body tube 1
21/5-1/2.Further preferred version is: the length H of cylindrical tube 2
1the length H of main body tube 1
21/3; The preferred scheme of the utility model is: the outer diameter D of cylindrical tube 2
2it is the outer diameter D of main body tube 1
11/5-4/5; Further preferred version is: the outer diameter D of cylindrical tube 2
2it is the outer diameter D of main body tube 1
12/3.The program is convenient to processing, and can realize higher tensile strength further.Cylindrical tube 2 external diameter of reducing type half grout sleeve described in the utility model is less than main body tube 1 external diameter, when cylindrical tube 2 outer diameter D
2it is main body tube 1 outer diameter D
11/5-4/5 time, manufacture craft is simple, the tensile strength of reducing type half grout sleeve is high, and cost of manufacture can be made lower.
Angle α between main body tube 1 outer wall described in the utility model and conical tube 3 outer wall is 20 °-30 °, and it can improve the yield rate of reducing type half grout sleeve, and can ensure ratio of briquetting and the Forming Quality of cylindrical tube 2 further.
The preparation method of reducing type half grout sleeve described in the utility model is as follows with method in construction:
One, the preparation method of reducing type half grouting sleeve: get seamless steel pipe length as required and be cut into several short tube; Processing mold is divided into upper die and lower die, upper die and lower die structure is identical, the structure of the counterdie in processing mold is offer groove in the middle part of counterdie, the length of the counterdie in the through processing mold of groove, the bottom of groove is taper arch groove, taper arch groove top is connected with the bottom of semicolumn groove, and the top of semicolumn groove is positioned at the end face of counterdie; The top of short tube is heated to 600-700 DEG C; Inserted in the groove of counterdie by the short tubular portions of heating, then be placed on the short tube of heating by patrix, apply pressure, upper die and lower die are fastened to upper die and lower die, the heating short tube be extruded forms conical tube and cylindrical tube, makes reducing type half grout sleeve.
Two, the construction method of reducing type half grouting sleeve: get connecting reinforcement and insert in the cylindrical tube of reducing type half grout sleeve, upper die and lower die in extrusion die are placed on respectively the outer wall of cylindrical tube, pressure is applied to extrusion die, make the internal diameter of cylindrical tube diminish to connecting reinforcement close contact, upper die and lower die structure in extrusion die is identical, arranges arc groove in patrix; Reducing type half grout sleeve being connected to reinforcing bar is inserted in the mould of prefabricated units, flexible pipe is adopted to make injected hole and slurry outlet communicate with mold exterior respectively, reinforcing bar leans out prefabricated units, the main body tube lower end of reducing type half grout sleeve is concordant with the bottom face of prefabricated units, casting concrete is after maintenance, by needing the reinforcing bar on connecting building thing or the reinforcing bar on prefabricated units to insert in main body tube, after casting, complete connection.Insert in prefabricated units by reducing type half grout sleeve being connected to reinforcing bar, the connecting reinforcement in reducing type half grout sleeve casts in prefabricated units, and reducing type half grout sleeve is positioned at prefabricated units outside, for the prefabricated units of lower one deck provide connection.
Claims (8)
1. reducing type half grout sleeve, it is characterized in that: comprise seamless master pipe (1), conical tube (3) and cylindrical tube (2), main body tube (1) inwall is male and fomale(M&F), the upper end of main body tube (1) connects with the larger diameter end of conical tube (3), and the smaller diameter end of conical tube (3) connects with cylindrical tube (2) one end.
2. reducing type half grout sleeve according to claim 1, is characterized in that: the inwall of cylindrical tube (2) is smooth surface.
3. reducing type half grout sleeve according to claim 1, is characterized in that: main body tube (1) equal diameters, main body tube (1) is offered injected hole (4) and slurry outlet (5).
4. reducing type half grout sleeve according to claim 1, is characterized in that: the length H of cylindrical tube (2)
1the length H of main body tube (1)
21/5-1/2.
5. reducing type half grout sleeve according to claim 1, is characterized in that: the outer diameter D of cylindrical tube (2)
2it is the outer diameter D of main body tube (1)
11/5-4/5.
6. reducing type half grout sleeve according to claim 1, is characterized in that: the angle α between main body tube (1) outer wall and conical tube (3) outer wall is 20 °-30 °.
7. reducing type half grout sleeve according to claim 1, is characterized in that: the length H of cylindrical tube (2)
1the length H of main body tube (1)
21/3.
8. reducing type half grout sleeve according to claim 1, is characterized in that: the outer diameter D of cylindrical tube (2)
2it is the outer diameter D of main body tube (1)
12/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520676046.5U CN205100437U (en) | 2015-05-28 | 2015-09-02 | Half grout sleeve of diameter -variable |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510281417 | 2015-05-28 | ||
| CN2015102814174 | 2015-05-28 | ||
| CN201520676046.5U CN205100437U (en) | 2015-05-28 | 2015-09-02 | Half grout sleeve of diameter -variable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205100437U true CN205100437U (en) | 2016-03-23 |
Family
ID=54719341
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520676046.5U Active CN205100437U (en) | 2015-05-28 | 2015-09-02 | Half grout sleeve of diameter -variable |
| CN201510554194.4A Pending CN105133795A (en) | 2015-05-28 | 2015-09-02 | Variable-diameter half grouting sleeve and construction method thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510554194.4A Pending CN105133795A (en) | 2015-05-28 | 2015-09-02 | Variable-diameter half grouting sleeve and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN205100437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133795A (en) * | 2015-05-28 | 2015-12-09 | 山东万斯达建筑科技股份有限公司 | Variable-diameter half grouting sleeve and construction method thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437037A (en) * | 2016-10-09 | 2017-02-22 | 深圳市现代营造科技有限公司 | Extruding grouting sleeve used for connection of steel bar and extruding manufacturing method thereof |
| CN108930360A (en) * | 2018-04-29 | 2018-12-04 | 山东德建集团有限公司 | Exposed inversion reinforcing bar grout sleeve precast concrete column and construction method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1442565A (en) * | 1974-08-16 | 1976-07-14 | Nisso Mater Builders Kk | Joining of reinforcement members |
| CN201339274Y (en) * | 2008-12-30 | 2009-11-04 | 中国建筑第八工程局有限公司 | Sleeve type connecting piece |
| CN102071774A (en) * | 2009-11-23 | 2011-05-25 | 黑龙江宇辉新型建筑材料有限公司 | Insertion grouted reinforcing steel bar connecting sleeve and construction method thereof |
| CN203701435U (en) * | 2013-12-27 | 2014-07-09 | 杭州力程建筑五金有限公司 | Composite connection joint for grouting connection and compression connection |
| CN104563397A (en) * | 2014-12-24 | 2015-04-29 | 中国建筑股份有限公司 | Extrusion semi-grouting reinforcement sleeve, connecting structure and construction method thereof |
| CN104563396A (en) * | 2014-12-24 | 2015-04-29 | 中国建筑股份有限公司 | Pier-extruded and half-grouted steel bar sleeve, connecting structure and construction method |
| CN205100437U (en) * | 2015-05-28 | 2016-03-23 | 山东万斯达建筑科技股份有限公司 | Half grout sleeve of diameter -variable |
-
2015
- 2015-09-02 CN CN201520676046.5U patent/CN205100437U/en active Active
- 2015-09-02 CN CN201510554194.4A patent/CN105133795A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133795A (en) * | 2015-05-28 | 2015-12-09 | 山东万斯达建筑科技股份有限公司 | Variable-diameter half grouting sleeve and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105133795A (en) | 2015-12-09 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |