CN218814747U

CN218814747U - Steel bar joint connecting device

Info

Publication number: CN218814747U
Application number: CN202223011315.5U
Authority: CN
Inventors: 张刚; 王国威; 党延松
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-13
Filing date: 2022-11-13
Publication date: 2023-04-07
Anticipated expiration: 2032-11-13

Abstract

The utility model discloses a steel bar joint connecting device, which relates to the technical field of steel bar connecting accessories and specifically comprises a bearing part and end connecting parts which are integrally formed at two ends of the bearing part and are designed in a frustum shape, wherein a first thread connecting groove and a second thread connecting groove are respectively arranged in the two end connecting parts; the front and the back of the bearing part are respectively provided with a forceps head occlusion port; and the middle part of one side of the bearing part is also provided with a strip-shaped observation hole. The utility model discloses structurally at conventional steel bar connector, design into frustum column structure with its both ends coupling end portion, make its connecting device surface thick both ends in the middle of thin for the compressive strength of bearing part in the middle of the reinforcing connector, in addition, the cooperation designs in the bearing part and observes the hole and supply to keep silent the binding clip bite-block mouth of borrowing power, makes things convenient for operating personnel to carry out the application of force to connecting device when carrying out the reinforcing bar butt joint, facilitates for steel bar connector's use.

Description

Steel bar joint connecting device

Technical Field

The utility model relates to a steel bar connection accessory technical field specifically is a steel bar joint connecting device.

Background

The steel bar is used as an essential building material in the current building construction, the length of the steel bar is fixed according to the specification, the steel bar is usually in butt joint connection according to actual requirements to meet construction requirements in the building construction of a steel bar cage and the building of a steel bar frame, at present, the butt joint of the steel bar is mainly divided into two types, firstly, welding is carried out, two steel bars are welded together in an electric welding mode, but the welding mode has high requirements on welding skills and large workload, and the welding process cannot be used for butt joint of the steel bars with longer length, because the strength of a welding point cannot bear the weight of the steel bars with the same length at the other end, the steel bars are easy to break, and the welding process is generally suitable for butt joint of the shorter steel bars or splicing of the steel bars side by side; and secondly, the connection device is adopted for connection, the process adopts the internal threaded holes of the connection device for screwing and butting after tapping the end parts of the two steel bars, and the butt joint is good, on one hand, the butt joint part is of a detachable structure and is convenient to operate, and on the other hand, the thread connection mode is adopted, so that two steel bars can be connected together, the stress at the joint seam part is transferred to the connection device, the stable butt joint is realized, and meanwhile, the thread connection mode is adopted, the gap between the threads can also meet the effects of thermal expansion and cold contraction of the thread connection of the steel bars.

At present, the connecting device for connecting the reinforcing bar is mostly the design of standard cylindric structure, and the surface is smooth, and it is not good to borrow power to keep silent when revolving soon, and in operation process, can't audio-visual observation reinforcing bar end is in connecting device positive middle position moreover, often all relies on technical staff's experience to judge, and its accuracy can't guarantee.

Therefore, we have designed a rebar junction connector.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a steel bar joint connecting device.

The connecting device aims to solve the problems that when the conventional standard cylindrical connecting device is used, a worker uses an operating clamp to exert force on the connecting device inconveniently, and the position of the end part of a reinforcing steel bar in the connecting device cannot be visually checked.

The utility model discloses a steel bar joint connecting device, which comprises a bearing part and end connecting parts which are integrally formed at two ends of the bearing part, wherein a first thread connecting groove and a second thread connecting groove are respectively arranged inside the two end connecting parts; the front and the back of the bearing part are respectively provided with a forceps head occlusion port; the occlusal ports of the forceps heads are designed in parallel, the middle part of one side of the bearing part is also provided with a strip-shaped observation hole, and the whole device body is designed to be of a steel structure.

Furthermore, two end connecting portions are symmetrically designed by taking the bearing portion as the center, and the end connecting portions are designed in a frustum shape.

Furthermore, the thread grooves on the inner sides of the first thread connecting groove and the second thread connecting groove are designed in a positive phase and a negative phase pair mode.

Furthermore, the first threaded connecting groove and the second threaded connecting groove are separated by a middle spacer which is integrally formed on the inner side of the bearing part.

Furthermore, a plurality of reinforcing ribs are integrally formed on the outer sides of the two end head connecting parts at equal intervals around the circumference.

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

the utility model discloses structurally at conventional steel bar connection device, design into frustum column structure with its both ends coupling end portion, make its coupling device surface thick both ends in the middle of thin for the compressive strength of bearing part in the middle of the reinforcing coupling device, in addition, the cooperation designs in the bearing part and observes the hole and supply to keep silent the binding clip bite-block mouth of borrowing power, makes things convenient for operating personnel to carry out the application of force to coupling device when carrying out the reinforcing bar butt joint, facilitates for steel bar connection device's use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a second embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of two parts of the embodiment of the present invention.

In the figure: 1. a load bearing part; 2. an end head connecting part; 3. an observation hole; 4. a first thread connecting groove; 5. a second thread connecting groove; 6. a middle spacer; 7. the bite of the forceps head; 8. and (5) reinforcing ribs.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, these physical details are not necessary. In addition, for simplicity, some conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-2, the present invention discloses a steel bar joint connecting device, the device body includes a bearing part 1 and end connecting parts 2 integrally formed at two ends of the bearing part 1, a first threaded connecting groove 4 and a second threaded connecting groove 5 are respectively disposed in the two end connecting parts 2; the front and the back of the bearing part 1 are respectively provided with a forceps head occlusion opening 7; its binding clip interlock mouth 7 parallel design each other to the interlock of keeping silent with operating tong of staff is on binding clip interlock mouth 7, thereby makes things convenient for the staff application of force when carrying out the reinforcing bar butt joint, and the middle part of 1 one side of bearing portion has still been seted up a rectangular shape and has been observed hole 3, and the inboard and a thread connection groove 4 and No. two thread connection grooves 5 intercommunication in this observation hole 3, so that the operator observes the inside position of locating of reinforcing bar tip at connecting device.

In order to form a structural design that the middle of the connecting device is thick and the two ends of the connecting device are thin and improve the overall compressive strength of the connecting device, the two end connecting parts 2 are symmetrically designed by taking the bearing part 1 as the center, and the end connecting parts 2 are designed in a frustum shape.

The threaded groove of the inner side of the first threaded connection groove 4 and the inner side of the second threaded connection groove 5 adopt a positive and negative opposite design, and the threaded groove of the positive and negative design can ensure that the second reinforcing steel bar is not only prevented from loosening when being connected and rotated, but also can further enhance the stability of connection between the first reinforcing steel bar and the connecting device.

Separate through an integrated into one piece at 1 inboard middle spacer 6 of bearing part between a thread connection groove 4 and No. two thread connection grooves 5, adopt middle spacer 6 to separate a thread connection groove 4 and No. two thread connection grooves 5, make its two thread connection grooves can independently come, make the reinforcing bar when connecting, can reach central point through the more audio-visual judgement reinforcing bar tip in observation hole 3 and put, and can also be through placing the spring pad in independent thread connection groove bottom, play the reverse action power to the reinforcing bar tip after accomplishing with connecting device to be connected as two reinforcing bars, thereby play certain locking effect.

Example two:

referring to fig. 3-4, in contrast to the embodiment, a plurality of ribs 8 are integrally formed around the outer sides of the two end connectors 2 at equal intervals, and the design of the ribs 8 increases the surface friction coefficient of the end connectors 2 and also improves the strength of the two end connectors 2. Therefore, the connecting device can be directly and manually installed initially without using tools when the connecting device is initially screwed by a worker.

When the steel bar butt joint is implemented, the connecting device is connected with the end part of the steel bar A through one of the threaded connecting grooves in a threaded manner, preliminary screwing and fixing are carried out, then the steel bar A and the connecting device are clamped and fixed respectively by adopting two operating pincers, the steel bar A keeps an angle still by means of force of one of the operating pincers, the connecting device is screwed and fixed in a corresponding direction by the other operating pincers, the connecting device is connected with the steel bar A more tightly, finally, the other steel bar B is in butt joint with the other threaded connecting groove of the connecting device through threads on the other steel bar B, the operating pincers which are originally fixed on the steel bar A are taken down and then fixed again, the steel bar B is rotated by means of lines on the surface of the steel bar, the steel bar B is connected with the threaded connecting grooves on the connecting device until fastening is carried out, and the connecting device is fixed by the operating pincers during the process, so that the steel bar B is prevented from rotating.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a steel bar joint connecting device which characterized in that: the device body comprises a bearing part (1) and end connecting parts (2) which are integrally formed at two ends of the bearing part (1), wherein a first threaded connecting groove (4) and a second threaded connecting groove (5) are respectively formed in the two end connecting parts (2);

the front and the back of the bearing part (1) are respectively provided with a forceps head occlusion port (7); the middle part of one side of the bearing part (1) is also provided with a strip-shaped observation hole (3).

2. A reinforcing bar coupler according to claim 1, wherein: two end connecting portion (2) use bearing part (1) to be the symmetrical design as the center, and end connecting portion (2) are the design of frustum form.

3. A reinforcing bar coupler according to claim 1, wherein: the two forceps head occlusion ports (7) are designed in parallel.

4. A reinforcing bar coupler according to claim 1, wherein: the inner side thread grooves of the first thread connecting groove (4) and the second thread connecting groove (5) adopt a positive phase and a negative phase pair design.

5. A reinforcing bar coupler connecting device as set forth in claim 1, wherein: the first thread connecting groove (4) and the second thread connecting groove (5) are separated by a middle separating sheet (6) which is integrally formed on the inner side of the bearing part (1).

6. A reinforcing bar coupler according to claim 1, wherein: and a plurality of reinforcing ribs (8) are integrally formed at the outer sides of the two end connecting parts (2) at equal intervals around the circumference.