CN217054045U - Detachable reinforcing steel bar joint connecting device - Google Patents

Abstract

The utility model provides a detachable reinforcing bar articulate device, including straight son sleeve, awl sleeve and female sleeve, straight son sleeve is used for cup jointing with first reinforcing bar head, and awl sleeve is used for cup jointing with second reinforcing bar head, and the one end that second reinforcing bar head was kept away from to awl sleeve is equipped with outer conical head, is equipped with the inner conical surface in the female sleeve, and the inner conical surface supports and leans on outer conical head, and female sleeve keeps away from the one end and the straight son sleeve threaded connection of inner conical surface, has solved the problem of reinforcing bar head butt joint installation.

Description

Detachable reinforcing steel bar joint connecting device

Technical Field

The utility model belongs to the technical field of the bar connection and specifically relates to a detachable steel bar joint connecting device is related to.

Background

When using the reinforcing bar in the building, usually need dock the reinforcing bar, there is the ligature usually, modes such as welding, the ligature mode, the reinforcing bar decentraction on both sides, and the reinforcing bar needs overlap joint, intensity is also not high, the welding mode is comparatively firm, but need satisfy certain operating mode, and there is certain requirement to needs welder's technique, other connected modes in addition, record cold extrusion mode in CN 104985093A steel bar joint and axial extrusion device and the steel bar connection method, be with overhead sleeve of extrusion of reinforcing bar, two telescopic modes of reconnection, nevertheless extrusion equipment need be used to this kind of mode, to the high altitude, narrow wait extreme operating mode also not too suitable. Therefore, a docking device which does not need equipment and can be manually and simply installed is needed to adapt to various extreme working conditions.

SUMMERY OF THE UTILITY MODEL

The utility model provides a detachable steel bar joint connecting device has solved the problem of reinforcing bar head butt joint installation.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a detachable steel bar joint connecting device, includes straight son sleeve, awl sleeve and female sleeve, and straight son sleeve is used for cup jointing with first reinforcing bar head, and the awl sleeve is used for cup jointing with second reinforcing bar head, and the one end that second reinforcing bar head was kept away from to the awl sleeve is equipped with outer conical head, is equipped with interior conical surface in the female sleeve, and outer conical head is supported by interior conical surface, and female sleeve keeps away from the one end and the straight son sleeve threaded connection of interior conical surface.

In the preferred scheme, a first through groove is formed in the inner side of the straight sleeve, a second through groove is formed in the inner side of the awl sleeve, and the second through groove is aligned with the first through groove.

In the preferred scheme, one end of the straight sleeve, which is close to the awl sleeve, is provided with a first sinking groove, the first sinking groove is communicated with the first through groove, one end of the awl sleeve, which is close to the straight sleeve, is provided with a second sinking groove, the second sinking groove is communicated with the second through groove, and the first sinking groove is communicated with the second sinking groove.

In the preferred scheme, a blind pin hole is formed in the side wall of the straight-pin sleeve, a through pin hole is formed in the side wall of the female sleeve, the blind pin hole is coaxially aligned with the through pin hole, and a positioning clamping pin is further arranged and pins the blind pin hole and the through pin hole.

In the preferred scheme, the straight sub sleeve tip is equipped with first portion of screwing up, and awl sleeve tip is equipped with the second portion of screwing up, and female sleeve tip is equipped with the third portion of screwing up.

In the preferred scheme, the straight sleeve is in threaded connection with the first steel bar head, and the awl sleeve is in threaded connection with the second steel bar head.

In the preferred scheme, still be equipped with locking nut, locking nut and awl sleeve threaded connection, locking nut terminal surface supports and leans on female telescopic terminal surface.

The utility model has the advantages that: the straight sleeve and the conical sleeve are respectively arranged at the ends of the two reinforcing steel bars and then connected by the female sleeve, so that the mounting is very quick and convenient in a conical surface matching manner, and the dismounting is easy; the straight sleeve and the female sleeve are provided with matched pin holes, and are clamped and anti-loose through the positioning clamping pins, and meanwhile, the tension force can be controlled within a certain interval range during butt joint; in the preferred scheme, straight sub-sleeve and awl sleeve inner wall still are equipped with logical groove and the annular heavy groove of tip, if need permanent connection, and the accessible adds and irritates steel system healant and fills each groove, and it is more convenient than the welding to guarantee to operate under the joint strength's the prerequisite.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is a schematic view of the present invention.

Fig. 5 is a schematic view of the awl sleeve of the present invention.

Fig. 6 is a schematic view of the female sleeve of the present invention.

In the figure: a straight sleeve 1; a first tightening portion 101; a first through slot 102; a first sink tank 103; blind pin holes 104; an awl sleeve 2; an outer cone head 201; the second tightening portion 202; a second through slot 203; a second sink 204; a female sleeve 3; an inner conical surface 301; the third tightening portion 302; a through pin hole 303; a locking nut 4; positioning the bayonet 5; a first reinforcement bar head 6; a second rebar head 7.

Detailed Description

As shown in fig. 1-6, a detachable steel bar joint connecting device, which comprises a straight sleeve 1, an awl sleeve 2 and a female sleeve 3, wherein the straight sleeve 1 is used for being sleeved with a first steel bar head 6, the awl sleeve 2 is used for being sleeved with a second steel bar head 7, one end of the awl sleeve 2, which is far away from the second steel bar head 7, is provided with an outer cone head 201, an inner conical surface 301 is arranged in the female sleeve 3, the inner conical surface 301 abuts against the outer cone head 201, one end of the female sleeve 3, which is far away from the inner conical surface 301, is in threaded connection with the straight sleeve 1, the female sleeve 3 is rotated, the inner conical surface 301 of the female sleeve 3 gradually tightens the outer cone head 201, so that the first steel bar head 6 is connected with the second steel bar head 7 into a whole.

Because the thread steel is often adopted in the construction of the common steel bar, the connection mode can be simplified by utilizing the thread on the surface of the steel bar.

In a preferred scheme, the straight sub sleeve 1 is in threaded connection with the first steel bar head 6, and the awl sleeve 2 is in threaded connection with the second steel bar head 7.

In a preferred scheme, a first through groove 102 is formed in the inner side of the straight sleeve 1, a second through groove 203 is formed in the inner side of the awl sleeve 2, the second through groove 203 is aligned with the first through groove 102, and the first through groove 102 and the second through groove 203 can be arranged in a plurality along the circumferential direction.

If the first steel bar head 6 and the second steel bar head 7 need to be permanently butted, the steel repairing agent is poured into the first through groove 102 or the second through groove 203, the steel repairing agent is in contact with the first steel bar head 6 and the second steel bar head 7, the straight sleeve 1, the awl sleeve 2, the first steel bar head 6 and the second steel bar head 7 are integrated after solidification, the female sleeve 3 is not easy to be loosened by vibration, and if the first steel bar head 6 and the second steel bar head 7 are made of threaded steel, the steel repairing agent fills gaps of threaded connection, so that the effect is better.

In a preferable scheme, a first sinking groove 103 is formed in one end, close to the awl sleeve 2, of the straight sleeve 1, the first sinking groove 103 is communicated with the first through groove 102, a second sinking groove 204 is formed in one end, close to the straight sleeve 1, of the awl sleeve 2, the second sinking groove 204 is communicated with the second through groove 203, and the first sinking groove 103 is communicated with the second sinking groove 204.

After entering the first sinking groove 103 and the second sinking groove 204, the steel repairing agent is solidified to connect the butt joints of the first steel bar head 6 and the second steel bar head 7 into a whole, so that the connection strength is greatly improved.

In a preferable scheme, the side wall of the straight sleeve 1 is provided with a blind pin hole 104, the side wall of the female sleeve 3 is provided with a through pin hole 303, the blind pin hole 104 is coaxially aligned with the through pin hole 303, the positioning bayonet 5 is further arranged, the positioning bayonet 5 pins the blind pin hole 104 and the through pin hole 303, and the positioning bayonet 5 can play a role in preventing looseness.

When the steel bar heads are connected, if the pre-tightening force of the female sleeve 3 is too small, the connection between the first steel bar head 6 and the second steel bar head 7 is not firm, and if the pre-tightening force is too large, the thread structure may be damaged or the first steel bar head 6 and the second steel bar head 7 may be stretched or displaced. Therefore, the first tendon head 6 and the second tendon head 7 for commissioning are prepared in advance, the specifications are consistent with the actual specifications, and the first tendon head 6 and the second tendon head 7 are arranged according to the actual positions, after the straight sleeve 1, the awl sleeve 2 and the box sleeve 3 are screwed, the box sleeve 3 is screwed to the preset torque through the torque wrench, the torque is preferably the middle value of the required torque interval, for example, the connection torque of the box sleeve 3 and the straight sleeve 1 when the first tendon head 6 and the second tendon head 7 are butted is preferably 25N.M to 35N.M, and the torque value of the torque wrench is set to be 30N.M when commissioning. At this time, through-pin holes 303 and blind-pin holes 104 are drilled in the female sleeve 3 and the straight male sleeve 1. When the steel bar splicing device is installed in reality, the female sleeve 3 is rotated by using a common wrench until the through pin hole 303 is aligned with the blind pin hole 104, at this time, the threaded connection torque of the female sleeve 3 and the straight sleeve 1 is just about a set value of 30N.M, and meanwhile, the butt joint tension of the first steel bar head 6 and the second steel bar head 7 reaches the set value and cannot be larger or smaller, and the positioning clamping pin 5 is inserted at this time, so that the design not only can play a role in preventing looseness, but also can play a role in controlling the appropriate tension value when the two steel bar heads are butted without tools.

In a preferred scheme, a first tightening part 101 is arranged at the end part of the straight sleeve 1, a second tightening part 202 is arranged at the end part of the awl sleeve 2, and a third tightening part 302 is arranged at the end part of the female sleeve 3, so that the awl sleeve can be tightened by a wrench conveniently.

In the preferred scheme, still be equipped with locking nut 4, locking nut 4 and awl sleeve 2 threaded connection, locking nut 4 terminal surface supports and leans on female sleeve 3's terminal surface, further prevents that female sleeve 3 is not hard up.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. I.e., equivalent alterations and modifications within the scope of the invention, are also intended to be covered by the scope of this invention.

Claims (7)

1. The utility model provides a detachable steel bar joint connecting device which characterized in that: including straight son sleeve (1), awl sleeve (2) and female sleeve (3), straight son sleeve (1) is used for cup jointing with first reinforcing bar head (6), awl sleeve (2) are used for cup jointing with second reinforcing bar head (7), the one end that second reinforcing bar head (7) were kept away from in awl sleeve (2) is equipped with outer conical head (201), be equipped with interior conical surface (301) in female sleeve (3), interior conical surface (301) support and lean on outer conical head (201), the one end and straight son sleeve (1) threaded connection of interior conical surface (301) are kept away from in female sleeve (3).

2. A detachable reinforcing bar coupler according to claim 1, wherein: a first through groove (102) is formed in the inner side of the straight sleeve (1), a second through groove (203) is formed in the inner side of the awl sleeve (2), and the second through groove (203) is aligned with the first through groove (102).

3. A releasable reinforcing bar coupler according to claim 2, wherein: one end of the straight sleeve (1) close to the awl sleeve (2) is provided with a first sinking groove (103), the first sinking groove (103) is communicated with the first through groove (102), one end of the awl sleeve (2) close to the straight sleeve (1) is provided with a second sinking groove (204), the second sinking groove (204) is communicated with the second through groove (203), and the first sinking groove (103) is communicated with the second sinking groove (204).

4. A detachable reinforcing bar coupler according to claim 1, wherein: the side wall of the straight sleeve (1) is provided with a blind pin hole (104), the side wall of the female sleeve (3) is provided with a through pin hole (303), the blind pin hole (104) is coaxially aligned with the through pin hole (303), the straight sleeve is further provided with a positioning bayonet lock (5), and the blind pin hole (104) and the through pin hole (303) are pinned by the positioning bayonet lock (5).

5. A detachable reinforcing bar coupler according to claim 1, wherein: the end part of the straight sleeve (1) is provided with a first screwing part (101), the end part of the awl sleeve (2) is provided with a second screwing part (202), and the end part of the female sleeve (3) is provided with a third screwing part (302).

6. A detachable reinforcing bar coupler according to claim 1, wherein: the straight sleeve (1) is in threaded connection with the first reinforcing steel bar head (6), and the awl sleeve (2) is in threaded connection with the second reinforcing steel bar head (7).

7. A detachable reinforcing bar coupler according to claim 1, wherein: still be equipped with locking nut (4), locking nut (4) and awl sleeve (2) threaded connection, locking nut (4) terminal surface supports the terminal surface that leans on female sleeve (3).

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