CN210508059U

CN210508059U - Steel bar connecting structure

Info

Publication number: CN210508059U
Application number: CN201921332172.3U
Authority: CN
Inventors: 刘其杰; 杨胜杰; 王沛晨; 李坚
Original assignee: China State Construction Port Engineering Group Co Ltd
Current assignee: China State Construction Port Engineering Group Co Ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-05-12
Anticipated expiration: 2029-08-15

Abstract

The utility model provides a steel bar connection structure, relates to reinforcing bar construction technical field, including outer sleeve and inner skleeve, the tip at the reinforcing bar head is connected to the inner skleeve, the hole of outer sleeve is provided with the internal thread, the excircle of inner skleeve is equipped with the external screw thread, outer sleeve screw cover will on the inner skleeve and reinforcing bar head fixed connection, wherein, the inner skleeve is double-phase split type. This novel set up outer sleeve and split type inner skleeve, inner skleeve fixed connection is overhead at two reinforcing bars, and it is integrative with split type inner skleeve fixed connection to recycle the outer sleeve, need not to rotate the reinforcing bar, makes it be applicable to in steel reinforcement cage or other both ends reinforcing bars can not the pivoted construction, improves the efficiency of construction.

Description

Steel bar connecting structure

Technical Field

The utility model relates to a reinforcing bar construction technical field, concretely relates to steel bar connection structure.

Background

The connection process of the large-diameter steel bar straight thread sleeve has the advantages of stable performance, simplicity in operation, high connection speed, low cost and the like, and is quite common at present. However, during construction, at least one steel bar needs to be ensured to be capable of rotating, so that the traditional sleeve connection is not applicable to connection construction of a steel bar cage. In the connection aspect of group reinforcing steel bars, particularly reinforcing cages, the process has low cost, but the construction efficiency is greatly reduced.

Disclosure of Invention

In order to solve the problem of the prior art, the utility model provides a steel bar connection structure sets up outer sleeve and split type inner skleeve, and inner skleeve fixed connection is overhead at two reinforcing bars, and it is integrative with split type inner skleeve fixed connection to recycle the outer sleeve, need not to rotate the reinforcing bar, makes it be applicable to in steel reinforcement cage or other both ends reinforcing bars can not the pivoted construction, improves the efficiency of construction.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a steel bar connection structure, includes outer sleeve and inner skleeve, the tip at the reinforcing bar head is connected to the inner skleeve, the hole of outer sleeve is provided with the internal thread, the excircle of inner skleeve is equipped with the external screw thread, outer skleeve screw cover will on the inner skleeve and reinforcing bar head fixed connection.

Preferably, the inner sleeve is of a two-phase split type.

Preferably, the inner skleeve includes interior upper sleeve and interior lower sleeve to the external diameter between them all is greater than the diameter of reinforcing bar, is provided with the screw thread at two tip of treating to connect the reinforcing bar head, interior upper sleeve with interior lower sleeve threaded connection is overhead at two reinforcing bars respectively be equipped with the external screw thread on interior upper sleeve's the outer disc, the pot head of outer sleeve is in thread fixed connection on the interior upper sleeve, the lower pot head of outer sleeve is in on the interior lower sleeve and the lower tip is provided with the round snap ring, the snap ring fixed clip is in interior lower sleeve's tip.

Preferably, the upper end of the inner upper sleeve is provided with a ring of step rings, and the step rings are clamped at the end of the outer sleeve.

Preferably, the outer circle of the lower end part of the inner upper sleeve is a smooth cylindrical surface or a hexagonal prism surface.

Preferably, the inner hole of the inner sleeve is internally provided with a circular inner straight wire, the split surface of the inner sleeve is a plane passing through the central shaft of the inner sleeve, the end part of the reinforcing steel bar head is processed with an outer straight wire clamped with the inner straight wire, the outer cylindrical surface of the inner sleeve is provided with an external thread, and the outer sleeve is screwed and fixed on the inner sleeve through the thread.

The utility model discloses the combined effect who brings includes: the utility model has the advantages of simple and reasonable structure, convenient to use installs split type inner skleeve at two tip of treating the reinforcing bar head of connecting to use the outer sleeve with split type inner skleeve fixed connection, thereby with two reinforcing bar head fixed connection, need not to rotate the reinforcing bar, make it be applicable to in steel reinforcement cage or other both ends connecting reinforcement can not the pivoted construction, the device is simple, and is with low costs, very big liberation manpower improves the efficiency of construction. The device is simple and the cost is low.

Drawings

Fig. 1 is the utility model discloses embodiment 1 steel bar connection structure's schematic structure.

Fig. 2 is the utility model discloses embodiment 2 steel bar connection structure's schematic structure.

Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.

Detailed Description

The invention is further described with reference to the following figures and examples.

Example 1

The utility model provides a steel bar connection structure, includes outer sleeve 1 and inner skleeve 2, the tip at reinforcing bar head 3 is connected to inner skleeve 2, the hole of outer sleeve 1 is provided with the internal thread, the excircle of inner skleeve 2 is equipped with the external screw thread, the cover is screwed to 1 screw of outer skleeve will on the inner skleeve 2 and reinforcing bar head 3 fixed connection.

The inner sleeve 2 is of a two-phase split type, the inner sleeve 2 comprises an inner upper sleeve 21 and an inner lower sleeve 22, the outer diameters of the inner upper sleeve 21 and the inner lower sleeve 22 are larger than the diameter of the steel bar, threads are arranged at the two ends of the steel bar heads 3 to be connected, the inner upper sleeve 21 and the inner lower sleeve 22 are respectively in threaded connection with the two steel bar heads 3, external threads are arranged on the outer circular surface of the inner upper sleeve 21, the upper end of the outer sleeve 1 is sleeved on the inner upper sleeve 21 and fixedly connected with the threads, the lower end of the outer sleeve 1 is sleeved on the inner lower sleeve 22, a circle of clamping ring 11 is arranged at the lower end of the inner lower sleeve 22, and the clamping ring 11 is fixedly clamped at.

In addition, the upper end of the inner upper sleeve 21 is provided with a ring of step rings 211, and the step rings 211 are clamped at the end of the outer sleeve 1. The step ring 211 can be clamped and fixed by using a pliers or a wrench when the outer sleeve 1 is installed, so that the inner upper sleeve 21 is prevented from sliding and rotating when the outer sleeve 1 is installed; the outer circle of the lower end part of the inner upper sleeve 21 is a smooth cylindrical surface or a hexagonal prism surface. The external thread of the inner upper sleeve 21 is prevented from being damaged during the tightening process.

The specific connection method of this embodiment 1 is: firstly, the outer sleeve 1 is sleeved on the lower steel bar head 3, the inner lower sleeve 22 is connected with the lower steel bar head 3, the inner part of the inner lower sleeve 22 is provided with internal threads, and the outer part of the inner lower sleeve is provided with a smooth surface; connecting an inner upper sleeve 21 to the upper reinforcement head 3, wherein the inner part of the inner upper sleeve 21 is provided with internal threads, and the outer part of the inner upper sleeve 21 is provided with external threads; after the two tendons 3 are aligned, the outer sleeve 1 is screwed from the lower tendon 3 to the upper tendon 3, and during the screwing process, the snap ring 11 can be fixed by a wrench or pliers, etc. to prevent the inner upper sleeve 21 from slipping.

Example 2

Wherein, inner skleeve 2 is double-phase split type, be provided with annular interior straight filament in the hole of inner skleeve 2, and the split face of inner skleeve 2 is the plane of passing its center pin, and the tip processing of reinforcing bar head 3 has the outer straight filament with interior straight filament block, be provided with the external screw thread on the outer face of cylinder of

inner skleeve

2, 1 screw of outer skleeve is screwed and is fixed on inner skleeve 2.

The specific connection method of this embodiment 2 is: rolling circular straight threads instead of spiral threads at the ends of two steel bar heads 3 to be connected, sleeving the outer sleeve 1 into the lower steel bar head 3, buckling the inner sleeve 2 on the straight threads at the ends of the two steel bar heads 3, screwing the outer sleeve 1 onto the steel bar head 3 at the upper end from the steel bar head 3 at the lower end, and enabling the inner sleeve 2 and the outer sleeve 1 to be flush.

The structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the purpose which can be achieved by the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The present invention has been described above with reference to the preferred embodiments, but the scope of protection of the present invention is not limited thereto, and all technical solutions falling within the scope of the claims are within the scope of protection of the present invention. Various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict.

Claims

1. The utility model provides a steel bar connection structure, its characterized in that, includes outer sleeve and inner skleeve, the tip at the reinforcing bar head is connected to the inner skleeve, the hole of outer sleeve is provided with the internal thread, the excircle of inner skleeve is equipped with the external screw thread, the cover is screwed to the outer sleeve screw will on the inner skleeve and reinforcing bar head fixed connection.

2. A reinforcing bar connecting structure according to claim 1, wherein the inner sleeve is a two-phase split type.

3. The reinforcing bar connecting structure according to claim 2, wherein the inner sleeve comprises an inner upper sleeve and an inner lower sleeve, and both of them have an outer diameter larger than the diameter of the reinforcing bars, threads are provided at the ends of the two reinforcing bar heads to be connected, the inner upper sleeve and the inner lower sleeve are respectively screwed on the two reinforcing bar heads, external threads are provided on the outer circumferential surface of the inner upper sleeve, the upper end of the outer sleeve is screwed on the inner upper sleeve, the lower end of the outer sleeve is fitted on the inner lower sleeve, and the lower end is provided with a ring of snap ring, which is fixedly snapped on the end of the inner lower sleeve.

4. A reinforcing bar connecting structure according to claim 3, wherein the upper end of the inner upper sleeve is provided with a ring of stepped rings which are caught at the end of the outer sleeve.

5. The reinforcing bar connecting structure according to claim 4, wherein the outer circle of the lower end portion of the inner upper sleeve is a smooth cylindrical surface or a hexagonal prism surface.

6. The reinforcing bar connecting structure according to claim 2, wherein an inner straight wire having a circular ring shape is provided in an inner hole of the inner sleeve, and the split surface of the inner sleeve is a plane passing through a central axis thereof, an outer straight wire engaged with the inner straight wire is formed at an end of the reinforcing bar head, and an outer thread is provided on an outer cylindrical surface of the inner sleeve, and the outer sleeve is screwed and fixed to the inner sleeve.