CN201598779U - Bar reinforcement connection structure - Google Patents
Bar reinforcement connection structure Download PDFInfo
- Publication number
- CN201598779U CN201598779U CN2010201087442U CN201020108744U CN201598779U CN 201598779 U CN201598779 U CN 201598779U CN 2010201087442 U CN2010201087442 U CN 2010201087442U CN 201020108744 U CN201020108744 U CN 201020108744U CN 201598779 U CN201598779 U CN 201598779U
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- CN
- China
- Prior art keywords
- outer expansion
- inner expension
- expansion sleeve
- expension cap
- reinforcing bar
- 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.)
- Expired - Fee Related
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- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model relates to a bar reinforcement connection structure, which comprises an inner expansion sleeve, an outer expansion sleeve and a coupling sleeve. Screw threads or saw-toothed convex teeth are formed on the inner wall of the inner expansion sleeve, and the outer surface of the inner expansion sleeve is a conical surface. More than one split groove is formed at a large end of the inner expansion sleeve in the axial direction, and a small end of the inner expansion sleeve is a conjoined part. An inner conical surface is formed on the outer expansion sleeve, and the screw threads are formed at one end of the outer surface of the outer expansion sleeve. Internal threads are formed on the coupling sleeve. The end parts of two bar reinforcements that are connected are sheathed with the inner expansion sleeve; the inner expansion sleeve is sheathed with the outer expansion sleeve; and the coupling sleeve is fixed outside the outer expansion sleeve through the screw threads in a threaded manner. The bar reinforcement connection structure adopts a new bar reinforcement connection mode; the bar reinforcement connection structure and the prior architecture bar reinforcement connection mode have complementary advantages; moreover, the bar reinforcement connection structure has the characteristic that mechanical processing is not needed in the field construction, the connection can be carried out directly by choosing standard connecting pieces according to the specification of the bar reinforcements, and a more convenient and rapid bar reinforcement connection mode is provided to the construction site.
Description
Technical field
The utility model relates to the connecting mode of building bar, and particularly a kind of building site is used fast and simple has a high-intensity reinforcing bar rapid connection structure.
Background technology
Development along with builing industry, amount of reinforcement constantly increases, bar diameter and cloth muscle density are increasing, and the connecting mode of reinforcing bar has become one of key of structure design and construction, and it directly has influence on construction project quality, speed of application, economic benefit and working security.
The straight thread connection technique of reinforcing bar has advantages such as intensity height, speed of application are fast, steady quality, has been subjected to extensive use and popularization.But connecting, reinforced bar straight thread needs special mechanical equipment, take the workload of place, job site and increase equipment transportation,, reinforcing bar less for scope of construction item connects the building site of negligible amounts, perhaps close on when needing to set up reinforcing bar after end, equipment are withdrawn from the arena and connecting, adopt the straight thread connecting mode then convenient, fast inadequately and economical when engineering.
For the reinforcing bar that adapts to little building site connects or a small amount of reinforcing bar connects the needs of filling a vacancy, be necessary to develop a kind of convenient, fast, reinforcing bar draw bail that the job site does not need the special-purpose machinery process equipment.
The utility model content
Task of the present utility model provides a kind of improved reinforcing bar draw bail, it has solved above-mentioned existing reinforced bar straight thread connection technique can not adapt to the problems such as needs that unskilled labourer ground reinforcing bar connects or a small amount of reinforcing bar connection is filled a vacancy, and realizes having complementary advantages with a kind of new reinforcing bar connecting mode and existing building iron connecting mode.
Technical solution of the present utility model is as follows:
A kind of reinforcing bar draw bail, it comprises inner expension cap, outer expansion set and coupling sleeve;
The inwall of described inner expension cap is provided with screw thread or zigzag double wedge, and the external surface of inner expension cap is the conical surface; The big end of described inner expension cap is axially arranged with one or more and cuts groove open, and the small end of inner expension cap is conjuncted;
Described outer expansion set is provided with inner conical surface, and an end of outer expansion set external surface is provided with screw thread;
Described coupling sleeve is provided with internal thread;
Described inner expension cap is sleeved on the end of two coupled reinforcing bars, and outer expansion set is sleeved on the outside of inner expension cap, and its screw thread of coupling sleeve nationality is fixed at the outside of outer expansion set.
The male cone (strobilus masculinus) of the described inner expension cap location of matching with the inner conical surface of outer expansion set.
The other end of described outer expansion set external surface is a bevelling.
The bevelling of the described outer expansion set other end is the hexagon bevelling.
The bevelling of the described outer expansion set other end is the octagon bevelling.
Described inner expension cap is an inner expension cap, and in the middle of the big end of inner expension cap was positioned at, the small end of inner expension cap was positioned at two ends.
Described inner expension cap is two inner expension caps, and each inner expension cap is provided with big end and small end, and the big end of two inner expension caps is put relatively.
Described outer expansion set is two outer expansion sets, and the end of thread of two outer expansion sets is put side by side.
Reinforcing bar draw bail of the present utility model is a kind of new reinforcing bar connecting mode, can realize having complementary advantages with existing building iron connecting mode, be characterized in that site operation does not need to carry out machining, just can directly connect by bar gauge selection standard connector, for the job site provides a kind of more convenient, reinforcing bar connecting mode efficiently.
Reinforcing bar draw bail of the present utility model is compared with plain bars straight thread connection technique has following advantage:
1, site operation does not need special processing equipment, end reinforcedly need not make screw thread, does not need professional construction unit, just can install voluntarily as long as buy connector.
2, the reinforcing bar linking intensity reaches the requirement of the A level joint of regulation in " reinforcing bar connection technique rules ", the construction of filling a vacancy when being applicable to building site that joint quantity is few or engineering ending.
Description of drawings
Fig. 1 is the axial sectional view of the connecting joint of a kind of reinforcing bar draw bail of the present utility model.
Fig. 2 is the left view by connecting joint shown in Figure 1.
Number in the figure:
1 is coupled reinforcing bar, and 2 is inner expension cap, and 3 is coupling sleeve, and 4 is outer expansion set, and 5 is coupled reinforcing bar.
The specific embodiment
Referring to Fig. 1 and Fig. 2, a kind of reinforcing bar draw bail of the present utility model is made up of inner expension cap 2, outer expansion set 4 and coupling sleeve 3.
Inner expension cap 2 is tube shape components, and the inwall of inner expension cap 2 is provided with screw thread or zigzag double wedge, and the external surface of inner expension cap 2 is the conical surface.The big end of inner expension cap 2 axially is provided with one or several and cuts groove open, and the small end of inner expension cap 2 is conjuncted, does not slot.
The utility model can be set to inner expension cap 2 inner expension cap, and in the middle of the big end of inner expension cap was positioned at, the small end of inner expension cap was positioned at two ends.Also inner expension cap 2 can be arranged to two inner expension caps, each inner expension cap 2 is provided with big end and small end, and the big end of two inner expension caps 2 is put relatively.
The assembling use of reinforcing bar draw bail of the present utility model is as follows:
According to different bar gauges, make inner expension cap, outer expansion set and coupling sleeve in advance, the scene does not need machining, directly connects reinforcing bar.Two coupled reinforcing bars keep holding out against when connect installing, expansion set and the inner expension cap that adapts with coupled rebar sizes deviation outside packing into successively in the end of reinforcing bar.Inner expension cap is that its big end is axially cut open, only small end links to each other on a small quantity and has the cylindrical part of male cone (strobilus masculinus), and the inwall of inner expension cap is threaded or the zigzag double wedge.With the coupling sleeve that screws into of outer expansion set, make outer expansion set compress inner expension cap by the conical surface, the inner expension cap distortion is shunk and is tightened up reinforcing bar, finishes reinforcing bar and connects.
Should notice that the two ends of coupled reinforcing bar hold out against when connecting installation, two inner expension cap end faces leave certain interval, and the distance that two outer expansion sets screw in coupling sleeves keeps equal substantially.Inner expension cap is located by cone match with outer expansion set.Be processed with external screw thread on the outer expansion set, by with coupling sleeve on cooperating of internal thread can regulate the radial compaction power of outer expansion set to inner expension cap.Inner expension cap outside pressurized shrinks the end of holding coupled reinforcing bar with a firm grip, and the set shape of threads double wedge of inner expension cap inwall is used to increase the frictional force with reinforcing bar, and is fastening because of the conical surface self-locking during reinforcing bar tension.
In sum, adopt reinforcing bar draw bail of the present utility model to realize having complementary advantages with existing building iron connecting mode, site operation does not need machining, end reinforcedly need not make screw thread, just can directly connect by bar gauge selection standard connector, for the job site provides a kind of more convenient, reinforcing bar connecting mode efficiently.
Certainly, those skilled in the art in the present technique field will be appreciated that, the foregoing description only is to be used for illustrating the utility model, and be not with opposing qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claim conversion, the modification of the foregoing description.
Claims (8)
1. a reinforcing bar draw bail is characterized in that, it comprises inner expension cap, outer expansion set and coupling sleeve;
The inwall of described inner expension cap is provided with screw thread or zigzag double wedge, and the external surface of inner expension cap is the conical surface; The big end of described inner expension cap is axially arranged with one or more and cuts groove open, and the small end of inner expension cap is conjuncted;
Described outer expansion set is provided with inner conical surface, and an end of outer expansion set external surface is provided with screw thread;
Described coupling sleeve is provided with internal thread;
Described inner expension cap is sleeved on the end of two coupled reinforcing bars, and outer expansion set is sleeved on the outside of inner expension cap, and its screw thread of coupling sleeve nationality is fixed at the outside of outer expansion set.
2. reinforcing bar draw bail according to claim 1 is characterized in that, the male cone (strobilus masculinus) of the described inner expension cap location of matching with the inner conical surface of outer expansion set.
3. reinforcing bar draw bail according to claim 1 is characterized in that, the other end of described outer expansion set external surface is a bevelling.
4. reinforcing bar draw bail according to claim 3 is characterized in that, the bevelling of the described outer expansion set other end is the hexagon bevelling.
5. reinforcing bar draw bail according to claim 3 is characterized in that, the bevelling of the described outer expansion set other end is the octagon bevelling.
6. reinforcing bar draw bail according to claim 1 is characterized in that, described inner expension cap is an inner expension cap, and in the middle of the big end of inner expension cap was positioned at, the small end of inner expension cap was positioned at two ends.
7. reinforcing bar draw bail according to claim 1 is characterized in that, described inner expension cap is two inner expension caps, and each inner expension cap is provided with big end and small end, and the big end of two inner expension caps is put relatively.
8. reinforcing bar draw bail according to claim 1 is characterized in that, described outer expansion set is two outer expansion sets, and the end of thread of two outer expansion sets is put side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201087442U CN201598779U (en) | 2010-02-05 | 2010-02-05 | Bar reinforcement connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201087442U CN201598779U (en) | 2010-02-05 | 2010-02-05 | Bar reinforcement connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201598779U true CN201598779U (en) | 2010-10-06 |
Family
ID=42809831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201087442U Expired - Fee Related CN201598779U (en) | 2010-02-05 | 2010-02-05 | Bar reinforcement connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201598779U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590597A (en) * | 2013-11-18 | 2014-02-19 | 中煤建筑安装工程集团有限公司 | Jointer for rapid butting and clamping connection of reinforcing steel bars or steel tubes |
| CN106312279A (en) * | 2016-11-06 | 2017-01-11 | 荆门创佳机械科技有限公司 | Flash butt welding twisted steel butt joint device |
| CN109610740A (en) * | 2019-02-01 | 2019-04-12 | 李顺 | A kind of combined type screw thread self-locking reinforcing steel bar connecting sleeve tube and installation tool |
| CN109881845A (en) * | 2019-04-18 | 2019-06-14 | 王玉峰 | Tie up a formula reinforcing bar connection component and the connection method applied to the assembly of PC component |
-
2010
- 2010-02-05 CN CN2010201087442U patent/CN201598779U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590597A (en) * | 2013-11-18 | 2014-02-19 | 中煤建筑安装工程集团有限公司 | Jointer for rapid butting and clamping connection of reinforcing steel bars or steel tubes |
| CN103590597B (en) * | 2013-11-18 | 2016-09-21 | 中煤建筑安装工程集团有限公司 | The rapid abutting joint clamping connection splicer of reinforcing bar or steel pipe |
| CN106312279A (en) * | 2016-11-06 | 2017-01-11 | 荆门创佳机械科技有限公司 | Flash butt welding twisted steel butt joint device |
| CN109610740A (en) * | 2019-02-01 | 2019-04-12 | 李顺 | A kind of combined type screw thread self-locking reinforcing steel bar connecting sleeve tube and installation tool |
| CN109881845A (en) * | 2019-04-18 | 2019-06-14 | 王玉峰 | Tie up a formula reinforcing bar connection component and the connection method applied to the assembly of PC component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101006 Termination date: 20130205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |