CN204492205U - A kind of reinforcing steel bar connecting device - Google Patents
A kind of reinforcing steel bar connecting device Download PDFInfo
- Publication number
- CN204492205U CN204492205U CN201520202832.1U CN201520202832U CN204492205U CN 204492205 U CN204492205 U CN 204492205U CN 201520202832 U CN201520202832 U CN 201520202832U CN 204492205 U CN204492205 U CN 204492205U
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- Prior art keywords
- internal thread
- clasp
- master collet
- thread hole
- connecting portions
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Abstract
The utility model discloses a kind of reinforcing steel bar connecting device, it is formed primarily of a master collet and a securing member, there is bonding strength high, installation is advantage easily, and install and use the restriction not being subject to the factors such as grouting material solidifies, the connection to reinforcing bar can be realized fast, if when generation bar connecting is installed and is made mistakes or need to remove the reinforcing bar connected in addition, its disassembling section is the inverse process of fitting operation, dismantle also very convenient, and reinforcing steel bar connecting device can be reused after dismounting, be conducive to saving material cost, good economy performance; In general, reinforcing steel bar connecting device of the present utility model provides a kind of new connection equipment and Joining Technology for the bar connecting in prefabricated units, solves well between the reinforcing bar that cannot rotate in the prefabricated units of prior art and lacks simple, to connect equipment efficiently technical problem.
Description
Technical field
The utility model relates to construction equipment accessory technology field, particularly relates to a kind of reinforcing steel bar connecting device.
Background technology
How prefabricated units because its convenient and quick construction, component quality are controlled and used by high praise gradually, but in practice of construction, connect the reinforcing bar between two prefabricated units, make it as one, are the difficult point promoted of prefabricated units and emphasis always.Conventional bar connecting mode, end reinforcedly form external screw thread by screw thread process by two that need to connect, then utilize the connector with internal thread hole, two reinforcing bars are screwed onto in connector internal thread hole with externally threaded end respectively, realize connecting.But, because the reinforcing bar in prefabricated units has been fixed in concrete, freely cannot rotate as conventional rebar, the conventional connector mode of spinning therefore cannot be adopted to be connected.The solution taked this is at present use grout sleeve to connect mostly, but there is following several shortcoming:
1, grout sleeve Joining Technology is very complicated, and construction technical requirement is high, the inconvenience of operation trouble;
2, grout sleeve must wait until that grouting material tentatively solidifies after connecting, and could continue subsequent construction after having had certain intensity, and this and prefabricated units original intention rapidly of constructing is runed counter to, and has greatly delayed the duration;
3, grout sleeve connects main drag and comes from adhesion stress between concrete and rebar, and intensity is not very high comparatively speaking;
4, needed for grout sleeve Joining Technology, equipment comprises the grouting equipment etc. of sleeve, grouting material and correspondence, and overall hardware setting and material cost are relatively high, uneconomical.
Utility model content
For prior art above shortcomings, the reinforcing steel bar connecting device that the purpose of this utility model is to provide a kind of can be reused, installation is convenient, bonding strength is high, lacks simple, to connect equipment efficiently technical problem in order to solve between the reinforcing bar that cannot rotate in the prefabricated units of prior art.
For achieving the above object, the utility model have employed following technological means:
A kind of reinforcing steel bar connecting device, comprises master collet; Described master collet entirety is the long tubular that mid diameter is large, reduce gradually to both ends diameter, the two ends of master collet are respectively equipped with from internal thread hole that is open-ended, that extend to middle part, be respectively the first internal thread hole and the second internal thread hole, two internal thread holes are coaxially arranged; Wherein, the internal thread of the first internal thread hole and the end reinforced external screw thread formed through screw thread process match; In second internal thread hole, the internal diameter size of internal thread can penetrate for end reinforced just, and both sides relative on the sidewall of the second internal thread hole have and cut two straight joints to the second internal thread hole vertically from opening part, the sidewall of the second internal thread is made to be divided into two parts by two straight joints; Master collet is positioned at the section of spinning that the second position, internal thread hole openend has a straight-tube shape, described in the lateral wall of the section of spinning be provided with external screw thread; Also comprise the securing member be socketed in the master collet section of spinning; Described securing member comprises that one circular and side disconnects C-shaped clasp, and the inner side of described clasp has the internal thread matched with the external screw thread of the master collet section of spinning, and securing member is connected on the external screw thread of the master collet section of spinning by the internal thread rotation of clasp; The two ends at clasp open position place have extend laterally and be oppositely arranged two connecting portions, two connecting portions are provided with two connecting portions can be regulated to draw close the adjustment structure of degree, and when impelling two of clasp connecting portions mutually to draw close by adjustment structure, clasp can be driven to shrink extruding is formed to the section of spinning of master collet, impel the second internal thread hole mutually to be drawn close by two parts sidewall that two straight joints are separated.
In above-mentioned reinforcing steel bar connecting device, as a kind of preferred version, in described securing member clasp two connecting portions on the adjustment structure of installing be specially: two connecting portions of described clasp are relatively set with two through holes, one T-shaped bolt is through two through holes of described two connecting portions, and the T-shaped head end of T-shaped bolt is connected to one of them connecting portion deviates from the side of another connecting portion, the end that T-shaped bolt passes another connecting portion has been rotatably connected a handler; Described handler entirety is in strip, and be rotatably connected with T-shaped bolt end be rotationally connected the one end being a little positioned at handler, handler to be rotationally connected tip position place at one end have one protruding, when handler turn to entirety draw close on clasp time, described projection just in time turns to towards the connecting portion of T-shaped bolt end side and can form extruding to it, thus impels two of clasp connecting portions mutually to draw close.
Compared to prior art, the utility model has following beneficial effect:
1, reinforcing steel bar connecting device of the present utility model, its bonding strength is high, and installation is convenient, and installs and uses the restriction not being subject to the factors such as grouting material solidifies, and can realize the connection to reinforcing bar fast.
2, reinforcing steel bar connecting device of the present utility model, if when generation bar connecting is installed and is made mistakes or need to remove the reinforcing bar connected, its disassembling section is the inverse process of fitting operation, dismantle also very convenient, and reinforcing steel bar connecting device can be reused after dismounting, be conducive to saving material cost, good economy performance.
3, reinforcing steel bar connecting device of the present utility model provides a kind of new connection equipment and Joining Technology for the bar connecting in prefabricated units, solves well between the reinforcing bar that cannot rotate in the prefabricated units of prior art and lacks simple, to connect equipment efficiently technical problem.
Accompanying drawing explanation
Fig. 1 is the side-looking structural representation of the utility model reinforcing steel bar connecting device.
Fig. 2 is the sectional structure schematic diagram of master collet in the utility model reinforcing steel bar connecting device.
Fig. 3 is the sectional structure schematic diagram of securing member contraction state in the utility model reinforcing steel bar connecting device.
Fig. 4 is the sectional structure schematic diagram of fastener coming loose state in the utility model reinforcing steel bar connecting device.
Detailed description of the invention
The utility model provides a kind of reinforcing steel bar connecting device, and as shown in Figure 1, its Structure composing comprises a master collet 10; Fig. 2 shows the sectional structure of master collet, this master collet 10 entirety is the long tubular that mid diameter is large, reduce gradually to both ends diameter, the two ends of master collet 10 are respectively equipped with from internal thread hole that is open-ended, that extend to middle part, be respectively the first internal thread hole 11 and the second internal thread hole 12, two internal thread holes are coaxially arranged; Wherein, the internal thread of the first internal thread hole 11 and the end reinforced external screw thread formed through screw thread process match; In second internal thread hole 12, the internal diameter size of internal thread can penetrate for end reinforced just, and on the sidewall of the second internal thread hole 12, relative both sides have and cut two straight joints 13 to the second internal thread hole vertically from opening part, make the sidewall of the second internal thread be divided into two parts by two straight joints; Master collet 10 is positioned at the section of spinning 14 that the second position, internal thread hole openend has a straight-tube shape, described in the lateral wall of the section of spinning be provided with external screw thread.The section of spinning 14 of master collet is also socketed with securing member 20, Fig. 3 shows the sectional structure of securing member, as shown in Figure 3, this securing member 20 comprises that one circular and side disconnects C-shaped clasp 21, the inner side of clasp 21 has the internal thread matched with the external screw thread of the master collet section of spinning 14, and securing member 20 is connected on by the internal thread rotation of clasp on the external screw thread of the master collet section of spinning 14.The two ends at clasp 21 open position place have extend laterally and be oppositely arranged two connecting portions 22, two connecting portions 22 are provided with two connecting portions can be regulated to draw close the adjustment structure of degree, and when impelling two of clasp connecting portions 22 mutually to draw close by adjustment structure, clasp 21 can be driven to shrink extruding is formed to the section of spinning 14 of master collet, impel the second internal thread hole 12 mutually to be drawn close by two parts sidewall that two straight joints are separated.
When embody rule, the securing member in the utility model reinforcing steel bar connecting device can adopt multiple different project organization.Such as, securing member can adopt and it can be regulated to draw close the clamp structure of degree by clamping two connecting portions, also can adopt the mode being bolted two connecting portions, be regulated the degree of drawing close of two connecting portions by rotating bolt, etc.But in order to operate more for convenience, the utility model provides one preferably fastener constructions, Fig. 3 and Fig. 4 shows the structure of this more excellent securing member, it is specially: two connecting portions of clasp 21 are relatively set with two through holes, one T-shaped bolt wears two through holes that 23 cross described two connecting portions, and the T-shaped head end of T-shaped bolt 23 is connected to one of them connecting portion deviates from the side of another connecting portion, the end that T-shaped bolt 23 passes another connecting portion has been rotatably connected a handler 24; Handler 24 entirety is in strip, and be rotatably connected with T-shaped bolt 23 end be rotationally connected the one end being a little positioned at handler 24, handler 24 to be rotationally connected tip position place at one end there is a projection 25, when handler 24 turn to entirety draw close on clasp 21 time, this projection 25 just in time turns to towards the connecting portion 22 of T-shaped bolt end side and can form extruding to it, thus impels two of clasp connecting portions 22 mutually to draw close.Such use operation is more laborsaving, convenient.
Reinforcing steel bar connecting device of the present utility model for connect in prefabricated units two cannot rotate reinforcing bar time, its using method is as follows: first, by the external screw thread needing the end of the first side reinforcing bar connected to be formed by screw thread process, then use reinforcing steel bar connecting device of the present utility model to be screwed on the end reinforced external screw thread in the first side by the first internal thread hole of its master collet, be fixed tightly on the first side reinforcing bar until master collet is spun, after this, the master collet section of spinning of reinforcing steel bar connecting device is socketed with securing member, first the handler of securing member is turned to the overall state away from clasp, now handler to be rotationally connected the projection at tip position place at one end extruding is formed to the connecting portion of clasp, clasp is in relaxed state (as shown in Figure 4), on master collet, the second internal thread hole is also in relaxed state mutually by two parts sidewall that two straight joints are separated simultaneously, at this moment in the second internal thread hole, the internal diameter size of internal thread can penetrate for end reinforced just, therefore the end of the second side reinforcing bar needing connection is penetrated the second internal thread hole to master collet, finally, the handler of securing member is turned to entirety to be drawn close on clasp, handler to be rotationally connected the projection at tip position place at one end turn to towards the connecting portion of T-shaped bolt end side, and its formation extruding of connecting portion to this side, thus impel two of clasp connecting portions mutually to draw close (as shown in Figure 3), drive clasp to shrink and extruding is formed to the section of spinning of master collet, and then impel the second internal thread hole mutually to be drawn close by two parts sidewall that two straight joints are separated, to penetrating the second side end reinforced formation extruding occlusion in the second internal thread hole, make the master collet of reinforcing steel bar connecting device and the second side is end reinforced is fixed together, realize the connection of the first side reinforcing bar and the second side reinforcing bar.Therefrom can see, reinforcing steel bar connecting device of the present utility model, its master collet entirety is the long tubular that mid diameter is large, reduce gradually to both ends diameter, can ensure that two reinforcing bars after connecting have enough tensile strength at master collet connecting portion preferably, first internal thread hole of master collet mainly plays and to form externally threaded end with the first side steel bar meter and mutually to spin the effect agreed with, and the internal thread in the second screwed hole of master collet is not used to screw thread spins, under the clasp of securing member shrinks institute's externally applied forces effect, the second side end reinforced formation extruding occlusion that two parts sidewall of the second internal thread hole is stressed and mutually draw close penetrating wherein, internal thread in second internal thread hole just can to the enough mechanical snap power of the second end reinforced formation in side and frictional resistance, its bonding strength is even higher than general mechanical connection, master collet is made to become to be integrated with the second side bar connecting securely, thus the reliability that two reinforcing bars are connected can be ensured well.
In sum, can see, reinforcing steel bar connecting device bonding strength of the present utility model is high, and installation is convenient, and install and use the restriction not being subject to the factors such as grouting material solidifies, the connection to reinforcing bar can be realized fast, if when generation bar connecting installs the reinforcing bar makeing mistakes or need releasing to connect in addition, its disassembling section is the inverse process of fitting operation, dismantle also very convenient, and reinforcing steel bar connecting device can be reused after dismounting, be conducive to saving material cost, good economy performance.As can be seen here, reinforcing steel bar connecting device of the present utility model provides a kind of new connection equipment and Joining Technology for the bar connecting in prefabricated units, solves well between the reinforcing bar that cannot rotate in the prefabricated units of prior art and lacks simple, to connect equipment efficiently technical problem.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (2)
1. a reinforcing steel bar connecting device, is characterized in that, comprises master collet; Described master collet entirety is the long tubular that mid diameter is large, reduce gradually to both ends diameter, the two ends of master collet are respectively equipped with from internal thread hole that is open-ended, that extend to middle part, be respectively the first internal thread hole and the second internal thread hole, two internal thread holes are coaxially arranged; Wherein, the internal thread of the first internal thread hole and the end reinforced external screw thread formed through screw thread process match; In second internal thread hole, the internal diameter size of internal thread can penetrate for end reinforced just, and both sides relative on the sidewall of the second internal thread hole have and cut two straight joints to the second internal thread hole vertically from opening part, the sidewall of the second internal thread is made to be divided into two parts by two straight joints; Master collet is positioned at the section of spinning that the second position, internal thread hole openend has a straight-tube shape, described in the lateral wall of the section of spinning be provided with external screw thread;
Also comprise the securing member be socketed in the master collet section of spinning; Described securing member comprises that one circular and side disconnects C-shaped clasp, and the inner side of described clasp has the internal thread matched with the external screw thread of the master collet section of spinning, and securing member is connected on the external screw thread of the master collet section of spinning by the internal thread rotation of clasp; The two ends at clasp open position place have extend laterally and be oppositely arranged two connecting portions, two connecting portions are provided with two connecting portions can be regulated to draw close the adjustment structure of degree, and when impelling two of clasp connecting portions mutually to draw close by adjustment structure, clasp can be driven to shrink extruding is formed to the section of spinning of master collet, impel the second internal thread hole mutually to be drawn close by two parts sidewall that two straight joints are separated.
2. reinforcing steel bar connecting device according to claim 1, it is characterized in that, in described securing member clasp two connecting portions on the adjustment structure of installing be specially: two connecting portions of described clasp are relatively set with two through holes, one T-shaped bolt is through two through holes of described two connecting portions, and the T-shaped head end of T-shaped bolt is connected to one of them connecting portion deviates from the side of another connecting portion, the end that T-shaped bolt passes another connecting portion has been rotatably connected a handler; Described handler entirety is in strip, and be rotatably connected with T-shaped bolt end be rotationally connected the one end being a little positioned at handler, handler to be rotationally connected tip position place at one end have one protruding, when handler turn to entirety draw close on clasp time, described projection just in time turns to towards the connecting portion of T-shaped bolt end side and can form extruding to it, thus impels two of clasp connecting portions mutually to draw close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520202832.1U CN204492205U (en) | 2015-04-07 | 2015-04-07 | A kind of reinforcing steel bar connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520202832.1U CN204492205U (en) | 2015-04-07 | 2015-04-07 | A kind of reinforcing steel bar connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204492205U true CN204492205U (en) | 2015-07-22 |
Family
ID=53571522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520202832.1U Expired - Fee Related CN204492205U (en) | 2015-04-07 | 2015-04-07 | A kind of reinforcing steel bar connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204492205U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639160A (en) * | 2016-05-19 | 2017-05-10 | 株式会社恩图恩 | Steel sleeve |
-
2015
- 2015-04-07 CN CN201520202832.1U patent/CN204492205U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639160A (en) * | 2016-05-19 | 2017-05-10 | 株式会社恩图恩 | Steel sleeve |
| CN106639160B (en) * | 2016-05-19 | 2020-06-09 | 金花 | Steel bar sleeve |
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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: 20150722 Termination date: 20160407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |