CN210459777U

CN210459777U - Pre-tensioning type threaded steel bar connector for construction

Info

Publication number: CN210459777U
Application number: CN201921077382.2U
Authority: CN
Inventors: 卢彦; 李春峰; 杨书峰
Original assignee: Kaifeng Dafang Prestress Co ltd
Current assignee: Kaifeng Dafang Prestress Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-05-05
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a pretensioned construction twisted steel connector, which comprises a first connector and a second connector, the first connecting body comprises a first rotating head and a first fastening table, the first rotating head is fixedly connected with the first fastening table, the other end of the first fastening platform is connected with a threaded head, the outer side of the threaded head is provided with a first thread line, a first type T-shaped groove is arranged in the first fastening table and comprises a threaded through hole and a first cylindrical groove, the inner wall of the threaded through hole is provided with a threaded bulge matched with the threaded steel bar, the second connector comprises a second rotating head and a second fastening platform, a second cylindrical groove is formed in one end of the second fastening platform, a second thread line matched with the first thread line is arranged on the inner wall of the second cylindrical groove, and a second T-shaped groove is formed in the second fastening platform. The utility model provides a connector can firmly fix the reinforcing bar, the installation is simple, be convenient for retrieve the secondary and use.

Description

Pre-tensioning type threaded steel bar connector for construction

Technical Field

The utility model relates to a connector for reinforcement field particularly, relates to a pretensioning formula connector for construction with screw thread steel bar.

Background

The reinforcing bar coupler is a reinforcing bar coupler. At present, reinforcing steel bars are used in building and bridge construction, but the length of one reinforcing steel bar is limited, and a plurality of reinforcing steel bars are connected in the construction process. The most common methods for connecting reinforcing bars at present include four methods: 1. welding connection; 2. extrusion deformation connection; 3. the threaded sleeve is connected; 4. and (5) binding and overlapping. The connection modes have the problems of complex operation, high labor intensity, low installation efficiency, poor firmness and the like, and the steel bar connector is easy to rust at the joint under the action of an external environment after being used for a long time, and is not favorable for disassembly, assembly, maintenance and secondary recycling.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pretensioning formula is threaded reinforcement connector for construction to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pre-tensioning type threaded steel bar connector for construction comprises a first connecting body and a second connecting body, wherein the first connecting body comprises a first rotating head and a first fastening table, the first rotating head is fixedly connected with the first fastening table, the other end of the first fastening table is connected with a threaded head, the first fastening table is connected with the threaded head into a whole, a first thread line is arranged on the outer side of the threaded head, a first type T-shaped groove is arranged inside the first fastening table, the first type T-shaped groove comprises a threaded through hole and a first cylindrical groove, the threaded through hole is communicated with the first cylindrical groove and the threaded head, a threaded protrusion matched with a threaded steel bar is arranged on the inner wall of the threaded through hole, the second connecting body comprises a second rotating head and a second fastening table, the second rotating head is connected with the second fastening table into a whole, a second cylindrical groove is arranged inside one end of the second fastening table, and a second thread line matched with the first thread line is arranged on the inner wall of the second cylindrical groove, a second type T-shaped groove is arranged in the second fastening table, and the second type T-shaped groove has the same structure as the first type T-shaped groove.

Furthermore, a sheath is arranged at the joint of the first connecting body and the second connecting body, and the sheath is made of black rubber.

Furthermore, one end of the threaded steel bar is provided with a steel bar head matched with the first cylindrical groove.

Further, the inner diameter of the first cylindrical groove is larger than the outer diameter of the threaded through hole.

Further, the first rotating head and the second rotating head are regular hexagonal prisms.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model provides a pair of formula of pretensioning is twisted steel connector for construction has avoided the connector to rust easily or be because the accumulation of air dust pollutant leads to the junction to be difficult to open the problem of maintaining and secondary recovery under the environment that the open air exposes in the reinforcing bar junction after the installation through set up the sheath at first connector and second connector junction.

(2) The utility model provides a pair of formula of pretensioning is threaded reinforcement connector for construction is favorable to providing the secondary protection for threaded reinforcement's fastness through set up type T type groove in first connector and second connector.

(3) The utility model provides a pair of formula of pretensioning is construction with twisted steel connector's first connector and second connector pass through second cylinder groove and thread head fixed connection, have realized inside and have sealed, reduce inside corrosion.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a pretensioned construction rebar connector according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a pretensioned construction rebar connector according to an embodiment of the present invention.

Reference numerals:

1. a first connecting body; 2. a second connector; 3. a sheath; 4. a first swivel; 5. a second rotary head; 6. a first fastening station; 7. a first thread; 8. a first type T-shaped groove; 9. a threaded through hole; 10. a first cylindrical groove; 11. twisted steel bars; 12. a second cylindrical groove; 13. a screw head; 14. a second thread; 15. a second fastening station; 16. a second type T-shaped groove; 17. and (4) a thread protrusion.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-2, according to the embodiment of the present invention, the pretensioned rebar connector for construction includes a first connector 1 and a second connector 2, where the first connector 1 includes a first turn 4 and a first fastening platform 6, the first turn 4 is fixedly connected to the first fastening platform 6, the other end of the first fastening platform 6 is connected to a screw head 13, the first fastening platform 6 is connected to the screw head 13, a first thread 7 is disposed on the outer side of the screw head 13, a first T-shaped groove 8 is disposed inside the first fastening platform 6, the first T-shaped groove 8 includes a threaded through hole 9 and a first cylindrical groove 10, the threaded through hole 9 is communicated with the first cylindrical groove 10 and the screw head 13, a threaded protrusion 17 adapted to a threaded rebar 11 is disposed on the inner wall of the threaded through hole 9, and the second connector 2 includes a second turn 5, and a second fastening platform 2, The second rotating head 5 and the second fastening table 15 are connected into a whole, a second cylindrical groove 12 is formed in one end of the second fastening table 15, a second thread line 14 matched with the first thread line 7 is arranged on the inner wall of the second cylindrical groove 12, a second T-shaped groove 16 is formed in the second fastening table 15, and the second T-shaped groove 16 is identical to the first T-shaped groove 8 in structure.

Through the above scheme of the utility model, the sheath 3 is arranged at the joint of the first connector 1 and the second connector 2, the sheath 3 is made of black rubber, the connector is easy to rust at the joint of the reinforcing steel bar under the outdoor exposed environment after installation or the joint is difficult to open for maintenance and secondary recovery due to the accumulation of air dust pollutants, the sheath 3 can effectively prevent the above situations, one end of the deformed bar 11 is provided with the reinforcing steel bar head matched with the first cylindrical groove 10, one end of the reinforcing steel bar forms the cylindrical reinforcing steel bar head through the fusion casting or welding process, which is favorable for secondary reinforcement of the firmness of the deformed bar, the inner diameter of the first cylindrical groove 10 is larger than the outer diameter of the threaded through hole 9, the first rotor 4 and the second rotor 5 are regular hexagonal prisms, the outer edge of the regular hexagonal prisms is favorable for providing force points for the hand of the installer when rotating the first rotor 4 and the second rotor 5, the installation is convenient.

When specifically using, the installer inserts two twisted steel 11 into first type T type groove 8, second type T type inslot 16 respectively, and one end is led out first 4 and the second 5 outside of turning round, cup joints sheath 3 in the outside of first fastening platform 6, docks the first 13 of the thread head of first connector 1 and the second cylinder groove 12 of second connector 2, and it can to twist first 4 and second 5 of turning round and twist the opposite direction and carry out the fixed connection of first connector 1 and second connector 2.

To sum up the beneficial effects of the utility model are that: the utility model provides a pair of formula of pretensioning is threaded reinforcement connector for construction has avoided the connector to rust easily or lead to the junction to be difficult to open the problem of maintaining and secondary recovery because air dust pollutant's accumulation through setting up the sheath in first connector and second connector junction under the environment that the installation exposes in the open air after the installation, be favorable to providing the secondary protection for threaded reinforcement's fastness through set up type T type groove in first connector and second connector, first connector and second connector pass through second cylinder groove and nipple fixed connection, realized inside and sealed, reduce inside corrosion, the installation is simple and convenient, be favorable to maintaining and secondary recycle.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The pretensioned construction rebar connector is characterized by comprising a first connecting body (1) and a second connecting body (2), wherein the first connecting body (1) comprises a first rotating head (4) and a first fastening table (6), the first rotating head (4) is fixedly connected with the first fastening table (6), the other end of the first fastening table (6) is connected with a threaded head (13), the first fastening table (6) and the threaded head (13) are connected into a whole, a first thread line (7) is arranged on the outer side of the threaded head (13), a first type T-shaped groove (8) is arranged inside the first fastening table (6), the first type T-shaped groove (8) comprises a threaded through hole (9) and a first cylindrical groove (10), the threaded through hole (9) is communicated with the first cylindrical groove (10) and the threaded head (13), and a threaded protrusion (17) matched with a threaded rebar (11) is arranged on the inner wall of the threaded through hole (9) The second connecting body (2) comprises a second rotating head (5) and a second fastening platform (15), the second rotating head (5) and the second fastening platform (15) are connected into a whole, a second cylindrical groove (12) is formed in one end of the second fastening platform (15), a second thread line (14) matched with the first thread line (7) is formed in the inner wall of the second cylindrical groove (12), a second T-shaped groove (16) is formed in the second fastening platform (15), and the second T-shaped groove (16) is identical to the first T-shaped groove (8) in structure.

2. A pretensioned construction rebar connector according to claim 1, wherein a sheath (3) is provided at a connection of the first connector (1) and the second connector (2), the sheath (3) being made of black rubber.

3. A pretensioned construction rebar connector according to claim 1, wherein one end of the rebar (11) is provided with a rebar tip that fits into the first cylindrical groove (10).

4. A pretensioned construction rebar connector according to claim 1, wherein the first cylindrical groove (10) has an inner diameter greater than an outer diameter of the threaded through-hole (9).

5. A pretensioned construction rebar connector according to claim 1, wherein the first (4) and second (5) swivels are each a regular hexagonal prism.