CN212453346U

CN212453346U - Fastening connection device for reinforcing steel bar construction

Info

Publication number: CN212453346U
Application number: CN202020489031.9U
Authority: CN
Inventors: 潘晓斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-02-02
Anticipated expiration: 2030-04-07

Abstract

The utility model discloses a fastening connection device is used in reinforcing bar construction relates to reinforcing bar construction technical field, produces the problem that deflects easily when connecting for the reinforcing bar fastening among the solution prior art. The outside of first rotatory section of thick bamboo is provided with the fixed slot, the internally mounted of first rotatory section of thick bamboo has the spring, the atress piece is installed to one side of spring, first rotatory section of thick bamboo top is provided with the second nut, the second screw rod is installed to the below of second nut, the second nut is installed to the below of second screw rod, the inside of first rotatory section of thick bamboo is provided with fastening screw, one side of fastening screw is provided with the kicking block, the kicking block sets up structure as an organic whole with fastening screw, the fixed slot sets up structure as an organic whole with first rotatory section of thick bamboo, first rotatory section of thick bamboo and atress piece are all through fastening screw and spring fixed connection.

Description

Fastening connection device for reinforcing steel bar construction

Technical Field

The utility model relates to a reinforcing bar construction technical field specifically is a fastening connection device is used in reinforcing bar construction.

Background

Plain steel bar is plain steel's little round steel and wire rod, and the deformed steel bar is the reinforcing bar of surface ribbed, has 2 vertical ribs usually and along length direction evenly distributed's horizontal rib, and the appearance of horizontal rib is spiral, chevron shape, crescent 3 kinds, shows with the millimeter number of nominal diameter, and the nominal diameter of deformed steel bar is equivalent to the nominal diameter of the plain steel bar that the cross section equals, and the nominal diameter of reinforcing bar is 8-50 millimeters, and the diameter of recommending to adopt is 8, 12, 16, 20, 25, 32, 40 millimeters, the steel grade: 20MnSi, 20MnV, 25MnSi and BS20MnSi, the steel bar mainly bears tensile stress in concrete, the deformed steel bar has larger bonding capacity with the concrete due to the action of ribs, so the deformed steel bar can better bear the action of external force, and the steel bar is widely used for various building structures. Especially large, heavy, light-duty thin-walled and high-rise building structures.

The steel bars are steel for reinforced concrete and prestressed reinforced concrete, the cross section of the steel bars is circular, sometimes the steel bars are square with round corners, the steel bars comprise plain steel bars, ribbed steel bars and twisted steel bars, the connection modes of the steel bars mainly comprise binding and overlapping, mechanical connection, sleeve grouting connection and welding, but the steel bars are easy to deflect during connection, so that the connection is unstable; therefore, the market urgently needs to develop a fastening and connecting device for reinforcing steel bar construction to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fastening connection device is used in reinforcing bar construction to produce the problem that deflects easily when solving the reinforcing bar fastening connection who proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fastening connection device is used in reinforcing bar construction, includes first connecting cylinder and a rotatory section of thick bamboo, the outside of a rotatory section of thick bamboo is provided with the fixed slot, the internally mounted of a rotatory section of thick bamboo has the spring, the atress piece is installed to one side of spring, a rotatory section of thick bamboo top is provided with the second nut, the second screw rod is installed to the below of second nut, the second nut is installed to the below of second screw rod, the inside of a rotatory section of thick bamboo is provided with fastening screw, one side of fastening screw is provided with the kicking block, the kicking block sets up structure as an organic whole with fastening screw, the fixed slot sets up structure as an organic whole with a rotatory section of thick bamboo, a rotatory section of thick bamboo all passes through fastening screw and spring fixed connection with the atress piece.

Preferably, the inside of first rotatory section of thick bamboo and fastening screw all is provided with the perforation, and the diameter of fenestrate equals with the diameter of second screw, first rotatory section of thick bamboo and fastening screw all through perforation and second screw fixed connection, second screw and second nut welded connection, second screw and second nut threaded connection.

Preferably, one side of the fastening screw is provided with a second rotary cylinder, the outer side of the second rotary cylinder is provided with an anti-slip groove, the anti-slip groove is provided with a plurality of anti-slip grooves, one side of the second rotary cylinder is provided with a second connecting cylinder, the internal structure of the second connecting cylinder is the same as that of the first connecting cylinder, and the fastening screw and the second rotary cylinder are arranged into an integral structure.

Preferably, the inside of first connecting cylinder is provided with solid fixed ring, gu fixed ring's diameter equals with the diameter of fixed slot, and gu fixed ring and fixed slot laminating.

Preferably, the inside of first connecting cylinder is provided with the screw hole, the inside of first connecting cylinder and first rotatory section of thick bamboo all is provided with the perforation, the top installation of first connecting cylinder is provided with first nut, first screw rod is installed to the below of first nut, first nut is installed to the below of first screw rod.

Preferably, first connecting cylinder and first rotatory section of thick bamboo all through perforation and first screw rod fixed connection, and the diameter of fenestrate equals with first screw rod, first nut and first screw rod welded connection, first screw rod and first nut threaded connection, first nut, first screw rod and first nut all are provided with two.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting through first rotatory section of thick bamboo, ordinary fastener all adopts the thread bush to link together two reinforcing bars when connecting the reinforcing bar, it is along with rotatory together along with very easy messenger's reinforcing bar when rotatory to thread bush, thereby lead to the reinforcing bar to take place to deflect, and through the setting of first rotatory section of thick bamboo and the rotatory section of thick bamboo of second, when rotatory fastening screw tightens up the reinforcing bar, it can be rotatory along with different line directions to rotate, thereby realize the rotatory screw thread along the reinforcing bar, thereby make the reinforcing bar can fix, thereby avoid the reinforcing bar to take place to deflect, thereby make reinforcing bar linkage back more stable together.

2. The utility model discloses a through the setting of first screw rod, through the setting of first screw rod and second screw rod, avoid taking place rotatoryly at later stage work progress rotary drum to also avoided the reinforcing bar to take place rotatoryly in the work progress, thereby improved the security of this device, also improved the firm in connection nature of reinforcing bar simultaneously.

Drawings

Fig. 1 is a front view of the fastening and connecting device for reinforcing bar construction of the present invention;

fig. 2 is a schematic view of the internal structure of the first connecting cylinder of the present invention;

fig. 3 is a schematic view of the internal structure of the first rotary drum of the present invention.

In the figure: 1. a first connecting cylinder; 2. a second connecting cylinder; 3. a first rotary cylinder; 4. a second rotary cylinder; 5. fastening a screw rod; 6. a first nut; 7. a first nut; 8. a second nut; 9. a second nut; 10. an anti-slip groove; 11. a threaded hole; 12. a first screw; 13. a fixing ring; 14. fixing grooves; 15. a second screw; 16. a spring; 17. a stress block; 18. and (7) a top block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a fastening connection device is used in reinforcing bar construction, including first connecting cylinder 1 and first rotatory section of thick bamboo 3, the outside of first rotatory section of thick bamboo 3 is provided with fixed slot 14, the internally mounted of first rotatory section of thick bamboo 3 has spring 16, atress piece 17 is installed to one side of spring 16, first rotatory section of thick bamboo 3 top is provided with second nut 8, second screw rod 15 is installed to the below of second nut 8, second nut 9 is installed to the below of second screw rod 15, the inside of first rotatory section of thick bamboo 3 is provided with fastening screw 5, one side of fastening screw 5 is provided with kicking block 18, kicking block 18 sets up as an organic whole structure with fastening screw 5, fixed slot 14 sets up as an organic whole structure with first rotatory section of thick bamboo 3, first rotatory section of thick bamboo 3 and atress piece 17 are all through fastening screw and spring 16 fixed connection.

Further, the inside of first rotatory section of thick bamboo 3 and fastening screw 5 all is provided with the perforation, and the diameter of fenestrate equals with second screw 15, and first rotatory section of thick bamboo 3 and fastening screw 5 all are through perforation and 15 fixed connection of second screw,

second screw

15 and 8 welded connection of second nut,

second screw

15 and 9 threaded connection of second nut, and rotatory section of thick bamboo and fastening screw 5 all adopt high manganese stainless steel, and the rigidity is stronger, and life is longer.

Further, one side of fastening screw 5 is provided with the rotatory section of thick bamboo 4 of second, the outside of the rotatory section of thick bamboo 4 of second is provided with antiskid groove 10, and antiskid groove 10 is provided with a plurality of, second connecting cylinder 2 is installed to one side of the rotatory section of thick bamboo 4 of second, the inner structure of second connecting cylinder 2 is the same with the inner structure of first connecting cylinder 1, fastening screw 5 sets up structure as an organic whole with the rotatory section of thick bamboo 4 of second, adopt milling cutter lathe integration technology to make rotatory section of thick bamboo and connecting cylinder, thereby make the structural stability of this device stronger.

Further, the inside of first connecting cylinder 1 is provided with solid fixed ring 13, and solid fixed ring 13's diameter equals with the diameter of fixed slot 14, and solid fixed ring 13 and the laminating of fixed slot 14, and the connecting cylinder adopts anticorrosive, rust-resistant steel material to avoid damaging this device because of the corrosive substance in the work progress.

Further, the inside of first connecting cylinder 1 is provided with screw hole 11, and the inside of first connecting cylinder 1 and first rotatory section of thick bamboo 3 all is provided with the perforation, and the top installation of first connecting cylinder 1 is provided with first nut 6, and first screw rod 12 is installed to the below of first nut 6, and first nut 7 is installed to the below of first screw rod 12, adopts the nut that imported finish machining lathe made, connects stably, and more firm.

Further, first connecting cylinder 1 and first rotatory section of thick bamboo 3 all through perforation and first screw rod 12 fixed connection, and the diameter of perforation equals with first screw rod 12, first nut 6 and first screw rod 12 welded connection, first screw rod 12 and first nut 7 threaded connection, first nut 6, first screw rod 12 and first nut 7 all are provided with two, adopt laser welding process for welding seam department is not only pleasing to the eye but also firm in connection.

The working principle is as follows: when the device is used for connecting steel bars, the steel bars at two ends are connected through the threaded holes 11 in the first connecting cylinder 1 and the second connecting cylinder 2, at the moment, the screws of the first connecting cylinder 1 and the second connecting cylinder 2 are firstly taken out, so that the first rotating cylinder 3 and the second rotating cylinder 4 can respectively rotate in the first connecting cylinder 1 and the second connecting cylinder 2, when the threaded holes 11 are rotatably connected with the steel bars, the steel bars do not need to rotate, when the steel bars are firmly connected with the first connecting cylinder 1 and the second connecting cylinder 2, the screws of the first connecting cylinder 1 are firstly inserted, so that the first connecting cylinder 1 and the first rotating cylinder 3 are fixed and do not rotate any more, at the moment, the second screws 15 are taken out, and the fastening screws 5 are simultaneously rotated, so that the fastening screws 5 are in threaded connection with the first rotating cylinder 3, and the relative distance between the two rotating cylinders is closer and closer, thereby fastening the reinforcing steel bars at both ends, when the top block 18 of the fastening screw 5 supports against the stress block 17, the reinforcing steel bars at both ends are stressed and connected firmly, at the moment, the second screw 15 is inserted into the first rotary cylinder 3 and the fastening screw 5, so that the first rotary cylinder 3 and the fastening screw 5 can not rotate any more, thereby ensuring the stability of connection, at the same time, the screw of the second connecting cylinder 2 is inserted, so that the second rotary cylinder 4 and the second connecting cylinder 2 can not rotate any more, at the moment, the reinforcing steel bars at both ends are connected, through the arrangement of the stress block 17 and the top block 18 of the spring 16, the stress of the fastening screw 5 is strengthened during rotation, thereby improving the stability during connection, through the arrangement of the anti-skid groove 10, when the second rotary cylinder 4 is rotated by using a wrench to drive the fastening screw 5 to rotate, the friction force between the wrench and the second rotary cylinder 4 is larger, thereby avoiding the wrench from skidding, thereby making the fastening device easier to use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fastening connection device is used in reinforcing bar construction, includes a connecting cylinder (1) and a rotatory section of thick bamboo (3), its characterized in that: a fixed groove (14) is arranged on the outer side of the first rotary cylinder (3), a spring (16) is arranged in the first rotary cylinder (3), a stress block (17) is arranged on one side of the spring (16), a second screw cap (8) is arranged above the first rotary cylinder (3), a second screw rod (15) is arranged below the second screw cap (8), a second nut (9) is arranged below the second screw rod (15), a fastening screw rod (5) is arranged in the first rotary cylinder (3), a top block (18) is arranged on one side of the fastening screw rod (5), the top block (18) and the fastening screw rod (5) are arranged into an integral structure, the fixed groove (14) and the first rotary cylinder (3) are arranged into an integral structure, the first rotary cylinder (3) and the stress block (17) are fixedly connected with the spring (16) through fastening screws.

2. The fastening and connecting device for reinforcing steel bar construction according to claim 1, wherein: the inside of first rotatory section of thick bamboo (3) and fastening screw (5) all is provided with the perforation, and the diameter of fenestrate diameter equals with second screw rod (15), first rotatory section of thick bamboo (3) and fastening screw (5) all through perforation and second screw rod (15) fixed connection, second screw rod (15) and second nut (8) welded connection, second screw rod (15) and second nut (9) threaded connection.

3. The fastening and connecting device for reinforcing steel bar construction according to claim 1, wherein: one side of fastening screw rod (5) is provided with the rotatory section of thick bamboo of second (4), the outside of the rotatory section of thick bamboo of second (4) is provided with antiskid groove (10), and antiskid groove (10) are provided with a plurality of, second connecting cylinder (2) are installed to one side of the rotatory section of thick bamboo of second (4), the inner structure of second connecting cylinder (2) is the same with the inner structure of first connecting cylinder (1), fastening screw rod (5) set up structure as an organic whole with the rotatory section of thick bamboo of second (4).

4. The fastening and connecting device for reinforcing steel bar construction according to claim 1, wherein: the inside of first connecting cylinder (1) is provided with solid fixed ring (13), the diameter of solid fixed ring (13) equals with the diameter of fixed slot (14), and gu fixed ring (13) and fixed slot (14) laminating.

5. The fastening and connecting device for reinforcing steel bar construction according to claim 1, wherein: the inside of first connecting cylinder (1) is provided with screw hole (11), the inside of first connecting cylinder (1) and first rotatory section of thick bamboo (3) all is provided with the perforation, the top installation of first connecting cylinder (1) is provided with first nut (6), first screw rod (12) are installed to the below of first nut (6), first nut (7) are installed to the below of first screw rod (12).

6. The fastening and connecting device for reinforcing bar construction according to claim 5, wherein: first connecting cylinder (1) and first rotatory section of thick bamboo (3) all through perforation and first screw rod (12) fixed connection, and the diameter of fenestrate diameter and first screw rod (12) equals, first nut (6) and first screw rod (12) welded connection, first screw rod (12) and first nut (7) threaded connection, first nut (6), first screw rod (12) and first nut (7) all are provided with two.