CN112031277A

CN112031277A - Steel bar connecting piece for spiral steel bar

Info

Publication number: CN112031277A
Application number: CN202010803818.2A
Authority: CN
Inventors: 陆水龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2020-12-04

Abstract

The invention discloses a steel bar connecting piece for spiral steel bars, which relates to the field of building processing and comprises a first steel bar and a second steel bar, wherein the first steel bar is positioned at one end of the second steel bar, and the ends, close to each other, of the first steel bar and the second steel bar are both fixed with a connector, and the outer wall of the connector is provided with a connecting mechanism; wherein, coupling mechanism is including being located a connecting block and No. two connecting blocks of two connector outer walls respectively, the inside of a connecting block and No. two connecting blocks all is provided with the spread groove, and the position department that a connecting block, No. two connecting blocks and connector contacted all is provided with rotatory screw thread. The first connecting block, the second connecting block and the telescopic block are arranged, so that a generated welding spot is completely accommodated by a gap between the first connecting block and the second connecting block and cannot protrude out, and the first connecting block, the second connecting block and the telescopic block are effectively connected with a steel bar during welding, so that the probability of defective products is reduced, and the welding spot is effectively protected once compared with the traditional pressure welding mode.

Description

Steel bar connecting piece for spiral steel bar

Technical Field

The invention relates to the field of building processing, in particular to a steel bar connecting piece for spiral steel bars.

Background

When two ends of a steel bar are connected, a pressure welding method is generally used, and the pressure welding is a method of performing welding by applying a certain pressure during welding, and is also called pressure welding. The welding has two modes, the welding can be heated and then pressed, and can also be directly cold-pressed and welded, and the compression joint is firmer.

However, when the pressure welding method is adopted at present, an annular welding point protrudes from the joint of two sections of reinforcing steel bars, and meanwhile, the position of the welding point cannot be effectively reinforced, and unqualified welding points cannot be obviously seen by naked eyes even in a short time, but the service life of a building is influenced; meanwhile, the existing pressure welding method cannot perform secondary reinforcement on the outer side of the steel bar, and the joint of the two sections of steel bars is a fragile point relative to other positions of the steel bar, so that cracks are easily generated after stress is applied, and the building quality is influenced.

Disclosure of Invention

The invention aims to: in order to solve unqualified welding point from the naked eye even can't obviously see out and can't carry out the problem of secondary reinforcement in the outside of reinforcing bar in the short time, provide the reinforcing bar connecting piece for the spiral reinforcing bar.

In order to achieve the purpose, the invention provides the following technical scheme: the reinforcing steel bar connecting piece for the spiral reinforcing steel bar comprises a first reinforcing steel bar and a second reinforcing steel bar, wherein the first reinforcing steel bar is positioned at one end of the second reinforcing steel bar, connectors are fixed at the ends, close to each other, of the first reinforcing steel bar and the second reinforcing steel bar, and a connecting mechanism is arranged on the outer wall of each connector;

wherein, coupling mechanism is including being located a connecting block and No. two connecting blocks of two connector outer walls respectively, the inside of a connecting block and No. two connecting blocks all is provided with the spread groove, and the position department that a connecting block, No. two connecting blocks contacted with the connector all is provided with the screw thread, the inner wall of spread groove is provided with the shrink piece, it has the solder flux No. one to fill between spread groove and the shrink piece, the inner wall of shrink piece is fixed with the heat insulating part, the inside of a connecting block is located to fill between two connectors and has the solder flux No. two, the outside of a connecting block and No. two connecting blocks is provided with strengthening mechanism.

Preferably, the reinforcing mechanism is including being located the fixed head of a connecting block outer wall, and the reinforcing mechanism is still including being located the connector of No. two connecting block outer walls, the inner wall of fixed head is provided with the fixed orifices, the inner wall of connector is provided with the connecting hole.

Preferably, the two connecting heads are provided with external threads matched with the rotating threads at positions contacted with the rotating threads, and the sum of the thicknesses of the shrinkage block and the heat insulation piece is equal to the thickness of the inner wall of the connecting groove.

Preferably, the fixing hole and the inner wall of the connecting hole are provided with the same internal thread, and the fixing hole and the connecting hole are connected with the steel bar with the external thread through the internal thread inside the fixing hole and the connecting hole.

Preferably, the quantity of fixed head and connector is a plurality ofly, and a plurality of fixed heads, connector equidistance distribute at the outer wall of a connecting block, No. two connecting blocks.

Preferably, the heat insulation piece is made of high-temperature resistant ceramic materials.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the first connecting block, the second connecting block and the telescopic block are arranged, so that the generated welding spot is completely accommodated by the gap between the first connecting block and the second connecting block during welding and cannot protrude out, and meanwhile, the first connecting block, the second connecting block and the telescopic block are effectively connected with the reinforcing steel bar during welding, so that the probability of defective products is reduced, and meanwhile, compared with the traditional pressure welding mode, the first connecting block, the second connecting block and the telescopic block form effective one-time protection on the;

2. according to the invention, by arranging the reinforcing mechanism, after welding is finished, the steel bar with the external threads penetrates through the connecting hole and is connected with the fixing hole, so that effective secondary protection is formed on the welding point, and the building quality safety is further improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the present invention at A;

FIG. 3 is a schematic view of the installation of the coupler slot of the present invention;

FIG. 4 is a schematic view of the installation of the thermal insulation of the present invention.

In the figure: 1. a first steel bar; 2. a second steel bar; 3. a connector; 4. a first connecting block; 5. a second connecting block; 6. connecting grooves; 7. a first welding flux; 8. a contraction block; 9. a fixed head; 10. a fixing hole; 11. a connector; 12. connecting holes; 13. rotating the screw thread; 14. a thermal insulation member; 15. and (5) welding flux II.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be noted that the terms "center", "upper" and "lower" are used "

The directional or positional relationships indicated by "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on the directional or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-4, the reinforcing steel bar connecting member for spiral reinforcing steel bars includes a first reinforcing steel bar 1 and a second reinforcing steel bar 2, the first reinforcing steel bar 1 is located at one end of the second reinforcing steel bar 2, and a connector 3 is fixed at one end of the first reinforcing steel bar 1 close to the second reinforcing steel bar 2, and a connecting mechanism is arranged on the outer wall of the connector 3;

wherein, coupling mechanism is including being located No. 4 and No. 5 connecting blocks of a connecting block and No. two connecting blocks of 3 outer walls of two connectors respectively, the inside of a connecting block 4 and No. 5 connecting blocks all is provided with spread groove 6, and a connecting block 4, the position department that No. two connecting blocks 5 and connector 3 contacted all is provided with rotatory screw thread 13, the inner wall of spread groove 6 is provided with shrink piece 8, it has a solder flux 7 to fill between spread groove 6 and the shrink piece 8, the inner wall of shrink piece 8 is fixed with heat insulating part 14, the inside of a connecting block 4 is located and is filled between two connectors 3 and has No. 15 solder fluxes, the outside of a connecting block 4 and No. two connecting blocks 5 is provided with strengthening mechanism.

Please refer to fig. 2 and fig. 3: the reinforcing mechanism is including being located the fixed head 9 of 4 outer walls of connecting blocks, and reinforcing mechanism is still including being located the connector 11 of 5 outer walls of connecting blocks No. two, and the inner wall of fixed head 9 is provided with fixed orifices 10, and the inner wall of connector 11 is provided with connecting hole 12, is convenient for go on and this is consolidated to reinforcing bar 1 and reinforcing bar 2 No. two through reinforcing mechanism, improves its atress, bearing capacity.

Please refer to fig. 2 and fig. 3, the position where the two connectors 3 contact the rotating thread 13 is provided with an external thread matching with the rotating thread 13, so that the connectors 3 can be connected with the rotating thread 13 quickly by rotation, the sum of the thicknesses of the shrinking block 8 and the heat insulation piece 14 is equal to the thickness of the inner wall of the connecting groove 6, so that the connecting groove 6 can move on the outer wall or the inner wall of the shrinking block 8 and the heat insulation piece 14.

Please refer to fig. 3, the inner walls of the fixing hole 10 and the connecting hole 12 are provided with the same internal threads, and the fixing hole 10 and the connecting hole 12 are connected to a steel bar with external threads through the internal threads inside, so that the steel bar is matched with a reinforcing mechanism to further reinforce the device.

Please refer to fig. 2 and fig. 3, the number of the fixing heads 9 and the number of the connecting heads 11 are plural, and the fixing heads 9 and the connecting heads 11 are equidistantly distributed on the outer walls of the first connecting block 4 and the second connecting block 5, so as to increase the stress points to further reinforce the device.

Referring to fig. 4, the heat insulating member 14 is made of high temperature resistant ceramic material, so that the heat insulating member 14 can effectively insulate the heat generated by the second flux 15 during the welding connection, thereby preventing the shrinkage block 8 from deforming due to heat.

The working principle is as follows: firstly, when two reinforcing steel bars with the same size are connected, firstly, a thread turning device is used for turning external threads matched with the rotary threads 13 on the outer wall of the connector 3, then the first reinforcing steel bar 1 is connected with the first connecting block 4, the first connecting block 4 is rotated until the rotary threads 13 on the first connecting block 4 are completely connected with the external threads on the outer wall of the connector 3, then the second welding flux 15 is uniformly scattered into the inner wall of the contraction block 8, then the second reinforcing steel bar 2 is connected with the second connecting block 5, and the second connecting block 5 is rotated until the rotary threads 13 on the outer wall of the connector 3 are completely connected with the second connecting block 5; then, filling a welding flux 7 into the connecting groove 6, placing the contraction block 8 into the inner wall of the connecting groove 6 on the second connecting block 5 after the filling is finished, erecting the first steel bar 1 on the top end of the second steel bar 2, clamping the contraction block 8 by the connecting groove 6 to achieve the limiting effect, and then connecting the contraction block with the first steel bar 1 and the second steel bar 2 respectively by using a pressure welding tool; finally, a welding machine is used, the positive pole and the negative pole of the welding machine are respectively connected with the first reinforcing steel bar 1 and the second reinforcing steel bar 2, the two connectors 3 are in short circuit to generate a large amount of heat to melt the joints of the two connectors 3, and then a pressure welding tool is matched to output enough pressure to the first reinforcing steel bar 1 and the second reinforcing steel bar 2, so that the joints of the two connectors 3 can be completely connected, meanwhile, when the welding machine runs, the joints of the first connecting block 4 and the second connecting block 5 and the contraction block 8 are in short circuit, the inner wall of the connecting groove 6 is completely connected with the contraction block 8 while applying pressure, the heat insulation piece 14 can effectively prevent the heat between the two connectors 3 from being directly transmitted to the contraction block 8, the middle position of the contraction block 8 can be effectively prevented from being heated and softened, the shape of the contraction block is kept unchanged, and finally, after welding is finished, a steel bar with threads is used to penetrate through, secondary reinforcement may be provided on the outside of the connector.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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. Reinforcing bar connecting piece for spiral reinforcement includes reinforcing bar (1) and No. two reinforcing bars (2), its characterized in that: the first steel bar (1) is positioned at one end of the second steel bar (2), the connectors (3) are fixed at the ends, close to each other, of the first steel bar (1) and the second steel bar (2), and the outer walls of the connectors (3) are provided with connecting mechanisms;

wherein the connecting mechanism comprises a first connecting block (4) and a second connecting block (5) which are respectively positioned on the outer walls of the two connectors (3), the connecting grooves (6) are arranged inside the first connecting block (4) and the second connecting block (5), and the contact positions of the first connecting block (4) and the second connecting block (5) and the connector (3) are provided with rotating threads (13), a shrinking block (8) is arranged on the inner wall of the connecting groove (6), a first welding flux (7) is filled between the connecting groove (6) and the shrinking block (8), a heat insulation piece (14) is fixed on the inner wall of the contraction block (8), a second welding flux (15) is filled between the two connectors (3) inside the first connecting block (4), the outer sides of the first connecting block (4) and the second connecting block (5) are provided with reinforcing mechanisms.

2. The reinforcing bar coupler for spiral reinforcing bar according to claim 1, wherein: the reinforcing mechanism is including being located fixed head (9) of connecting block (4) outer wall, and reinforcing mechanism still includes connector (11) that are located No. two connecting block (5) outer walls, the inner wall of fixed head (9) is provided with fixed orifices (10), the inner wall of connector (11) is provided with connecting hole (12).

3. The reinforcing bar coupler for spiral reinforcing bar according to claim 1, wherein: two the position department that connector (3) and rotatory screw thread (13) contacted is provided with the external screw thread with rotatory screw thread (13) assorted, the sum of the thickness of shrink piece (8) and heat insulating part (14) equals with the inner wall thickness of spread groove (6).

4. The reinforcing bar coupler for spiral reinforcing bar according to claim 2, wherein: the inner walls of the fixing hole (10) and the connecting hole (12) are provided with the same internal thread, and the fixing hole (10) and the connecting hole (12) are connected with a steel bar with an external thread through the internal thread inside the fixing hole and the connecting hole.

5. The reinforcing bar coupler for spiral reinforcing bar according to claim 1, wherein: fixed head (9) are a plurality ofly with the quantity of connector (11), and a plurality of fixed heads (9), connector (11) equidistance distribute at the outer wall of a connecting block (4), No. two connecting blocks (5).

6. The reinforcing bar coupler for spiral reinforcing bar according to claim 1, wherein: the heat insulation piece (14) is made of high-temperature resistant ceramic materials.