CN210217172U

CN210217172U - Head-falling-free and steel bar-clamping-free dual-connection type concrete vibrating bar

Info

Publication number: CN210217172U
Application number: CN201920830452.0U
Authority: CN
Inventors: Kaizhi Xie; 谢开志
Original assignee: Wuhan Dafeng Mechanical Equipment Co Ltd
Current assignee: Wuhan Dafeng Mechanical Equipment Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-03-31
Anticipated expiration: 2029-06-04

Abstract

A head-falling-free and steel bar-clamping dual-connection type concrete vibrating spear comprises a spear tip, a spear tube, a tube joint assembly and a rubber hose, wherein the spear tip is in threaded connection with the spear tube, one end of the tube joint assembly is connected with the spear tube, the other end of the tube joint assembly is connected with the rubber hose, the tube joint assembly comprises a steel tube joint and a sleeve joint which is connected to the steel tube joint in a matched mode, one end of the steel tube joint is connected with the free end of the spear tube, and the other end of the steel tube joint is in annular pressing type fastening connection with the rubber hose through an extrusion mechanical tool, so that the purpose that; the sleeve joint is divided into a connecting end and a free end, the free end of the sleeve joint extends to the rubber hose, and the free end of the sleeve joint is connected with the rubber hose in a pressing mode through a strip pressing type connection by using an extrusion mechanical tool. Thereby achieving the purpose of not clamping and hanging the reinforcing steel bars and not dropping the ends in the actual use process.

Description

Head-falling-free and steel bar-clamping-free dual-connection type concrete vibrating bar

Technical Field

The utility model relates to a do not take off head and do not block dual connection formula concrete vibrting spear of reinforcing bar.

Background

The connection mode of the steel pipe fittings and the rubber hoses of the existing concrete vibrating spears generally has three types: strip pressing type connection, ring pressing type connection and fastener and taper sleeve type connection.

1. The concrete vibrating spear that the bar pressure formula is connected has the advantage that is difficult to the card string reinforcing bar in the use because the steel coupling surface after the withholding is level and smooth, gets deep user's favor. But the defects are that the rubber tube is softened when the temperature rises in the long-term use process and is easy to separate from the steel tube joint of the vibrating rod, and the maintenance difficulty is large because a general user does not have professional buckling and pressing mechanical equipment after the separation;

2. the ring-pressing type connected concrete vibrating spear has the advantages of: the steel pipe fitting of the vibrating spear is firmly connected with the rubber hose, and the two parts are not easy to separate. The steel pipe fitting joint has the advantages that the annular concave-convex groove is formed in the connecting position of the steel pipe fitting joint and the rubber hose after annular pressing, the steel bars are easily clamped in the concave-convex groove after annular pressing in the using process, and operation is inconvenient.

3. The technology advantage and disadvantage of the concrete vibrating spear that the fastener and the taper sleeve type are connected is similar to the 2 nd 'ring-pressing type connection', and the advantage is that: the steel pipe fitting joint and the rubber hose are firm in connection part and are not easy to separate. The connector has the defects that the taper sleeve of the connector is thicker and more protruded than the rubber hose, the steel bar is easy to clamp and hang in the using process, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a do not take off head and do not block reinforcing bar dual connection formula concrete vibrting spear to solve the shortcoming of above-mentioned current process problem, thereby accomplish steel pipe fitting and rubber hose's coupling part: the steel bar fixing device is firm and does not fall off in the using process, does not clamp and hang the steel bar, and is convenient for a user to operate.

According to an aspect of the utility model, a do not take off head and do not block dual connected mode concrete vibrting spear of reinforcing bar, including excellent point, excellent pipe, pipe connector subassembly, rubber hose, excellent point and excellent pipe pass through threaded connection, and pipe connector subassembly's one end is connected with excellent pipe, and the other end is connected with rubber hose, pipe connector subassembly includes steel coupling, the sleeve pipe joint of cooperation connection on steel coupling, steel coupling's one end is connected with the free end of excellent pipe, and the other end passes through extrusion machine tool and rubber hose ring pressure formula fastening connection to accomplish steel coupling and rubber hose fastening and do not break away from the purpose; the sleeve joint is divided into a connecting end and a free end, the outer diameter of the connecting end of the sleeve joint is the same as that of the steel pipe joint, the connecting end of the sleeve joint is matched on the steel pipe joint, and the sleeve joint is flush with the butt end of the steel pipe joint during fastening; the free end of the sleeve joint extends to the rubber hose, and the free end of the sleeve joint is connected with the rubber hose in a pressing mode through the strip pressing type connection by using an extrusion mechanical tool.

Preferably, the steel pipe joint is provided with external threads, the connecting end of the casing pipe joint is provided with internal threads, and the steel pipe joint and the casing pipe joint are connected in a thread fit mode.

Preferably, the connecting end of the steel pipe joint is connected with the rod pipe through threads.

Preferably, one end of the steel pipe joint is connected with the rod pipe, and the other end of the steel pipe joint is connected with the rubber hose in a ring pressing mode through an extrusion mechanical tool.

Preferably, one end of the sleeve joint is in threaded connection with the steel pipe joint, and the other end of the sleeve joint is in strip-pressing connection with the rubber hose by using an extrusion mechanical tool.

Preferably, one end of the steel pipe joint is connected with the rod pipe, and the other end of the steel pipe joint is provided with a taper sleeve fastener and is connected with the rubber hose; the connecting end of the sleeve joint is a taper sleeve component, the free end of the sleeve joint is a pipe joint component connected with the taper sleeve component, the taper sleeve component of the sleeve joint is matched with the taper sleeve fastener of the steel pipe joint to tightly press the rubber hose, and the pipe joint component of the extending part is connected with the rubber hose in a strip pressing mode by using an extrusion mechanical tool.

Preferably, the taper sleeve component and the pipe joint component of the sleeve joint are of an integrated structure or a split connection structure.

The utility model has the advantages that: because of the ring pressing process (or the fastener and taper sleeve process) and the two pressing technologies of the winding pressing process, the tightness and firmness of the steel pipe joint and the rubber hose are improved, and the purpose of firmness and no end drop is achieved; and because the connecting end of the sleeve joint and the rubber hose is in a strip pressing design, the surface of the sleeve joint pressed by the pressing tool is smooth and flat, and the purpose of not clamping and hanging the reinforcing steel bars in the actual use process is achieved.

Drawings

FIG. 1 is a schematic view showing the connection of a rod tip, a rod tube and a steel pipe joint according to example 1;

FIG. 2 is a schematic view showing the connection of the casing joint of example 1;

FIG. 3 is a schematic connection diagram of the whole of embodiment 1;

FIG. 4 is a schematic view showing the connection of a rod tip, a rod tube and a steel pipe joint according to example 2;

FIG. 5 is a schematic view showing the connection of the casing joint according to example 2;

FIG. 6 is a schematic view showing the connection of the whole of embodiment 2;

Detailed Description

The invention will be further described with reference to the following description and examples.

In fig. 1-6, an external structure of a non-drop and non-clamping steel bar dual-connection type concrete vibrating bar comprises a bar tip 1, a bar pipe 2, a pipe joint assembly and a rubber hose 6, wherein the bar tip 1 is fixedly connected with the bar pipe 2 through a thread, one end of the pipe joint assembly is connected with the bar pipe 2, the other end of the pipe joint assembly is connected with the rubber hose 6, the pipe joint assembly comprises a steel pipe joint 3 and a sleeve pipe joint 4 which is connected to the pipe joint in a matching manner, one end of the steel pipe joint 3 is connected with the bar pipe 2 through a thread 5, and the other end of the steel pipe joint 3 is connected with the rubber hose 6 in a buckling and pressing; the sleeve joint 4 is divided into a connecting end 402 and a free end 403, the outer diameter of the connecting end 402 of the sleeve joint 4 is the same as the diameter of the rod pipe 2, and when the connecting end 402 of the sleeve joint 4 is matched on the steel pipe joint 3, the connecting end 402 of the sleeve joint 4 is flush with the butt joint end of the rod pipe 2, so that a small and smooth gap at the connecting part is ensured, and the steel bars are not clamped; the length of the sleeve joint 4 is longer than that of the steel pipe joint 3, the free end 403 of the sleeve joint 4 extends to the rubber hose 6, the free end 403 of the sleeve joint 4 is conveniently sleeved with the rubber hose 6, and the free end 403 of the sleeve joint 4 is connected with the rubber hose 6 in a pressing mode through a strip pressing mode by means of an extrusion mechanical tool.

Wherein, the connecting end of the steel pipe joint 3 is connected with the rod pipe 2 through a thread 5.

Wherein, the extrusion machine tool is a professional crimping machine, such as a crimping machine (e.g. a P32D numerical control hydraulic pipe crimping machine and a P20D numerical control hydraulic pipe crimping machine of Wuxi Chuangyuan machinery Co., Ltd.), and can perform strip crimping and ring crimping.

The strip pressing type connection is a pipeline connection mode in the prior art that a cylindrical pipe or other materials with regular shapes are extruded into a whole towards the center by a professional pressing machine.

The ring-pressing type connection is a pipeline connection mode that a special sealing ring, a pipe fitting and a pipe are extruded into a whole by a special tool. The cylindrical wide band sealing ring is sleeved on the pipe, the bell mouth of the ring-pressing type pipe fitting is inserted, a special tool is used for applying pressure from the outside along the circumferential direction of the bell mouth, so that the bell mouth and the pipe are sunken and deformed together and the sealing section of the bell mouth is compressed, and the pipe fitting is fastened and sealed in a connecting mode (such as Baidu encyclopedia).

In example 1, fig. 1 to 3, the steel pipe joint 3 is provided with external threads 303, the coupling end 402 of the box joint 4 is provided with internal threads 401, and the steel pipe joint 3 and the box joint 4 are connected by thread fitting. One end of the steel pipe joint 3 is connected with the rod pipe 2 through threads 5, the other end of the steel pipe joint is in ring pressing connection with the rubber hose 6 through an extrusion mechanical tool, and a connecting part of the steel pipe joint and the rubber hose is provided with an annular concave-convex groove after ring pressing, so that the purpose of no head falling is achieved; then the sleeve joint 4 is connected with the steel pipe joint 3 in a thread fit manner, the annular concave-convex groove formed after the connection part of the rubber hose 6 is annularly pressed is sleeved in the annular concave-convex groove, and then the free end 403 of the sleeve joint 4 is tightly connected with the rubber hose 6 through the strip pressing type connection by using an extrusion mechanical tool, so that the purpose of not clamping the steel bars is achieved, and the effect of double pressing is achieved.

In the embodiment 2, as shown in fig. 4-6, one end of the steel pipe joint 3 is connected with the rod pipe 2 through a thread 5, and the other end is provided with a taper sleeve fastener 301 and is connected with the rubber hose 6; the connecting end 402 of the casing joint 4 is a taper sleeve component, and the free end 403 is a pipe joint component connected with the taper sleeve component; when the taper sleeve component of the sleeve joint 4 is matched on the taper sleeve fastener of the steel pipe joint 3, the rubber hose 6 is tightly pressed, so that the purpose of no head falling is achieved. The pipe joint member of the extension part and the rubber hose 6 are connected in a strip pressing mode by using an extrusion mechanical tool, so that the purpose of not clamping the steel bar is achieved, and the effect of double compression is achieved.

Wherein, the taper sleeve fastener 301 is provided with a strip-shaped gap, which is convenient for tightly buckling the rubber hose 6 when the taper sleeve fastener 301 is connected with the taper sleeve component of the sleeve joint 4.

The taper sleeve component and the pipe joint component of the casing joint 4 can be of an integrated structure, and the taper sleeve component and the pipe joint component are integrally formed, so that the use is more convenient. The taper sleeve component and the pipe joint component of the sleeve joint 4 can also be in a connection type structure, the taper sleeve component and the pipe joint component are separate components, the taper sleeve component and the pipe joint component can be in bar pressing type connection through an extrusion mechanical tool, and can also be in threaded connection or other connection modes, and the manufacturing process is simple; the two structures are reasonably selected according to actual use.

In the above 2 embodiments, the pipe joint and the sleeve joint are made of 20 # steel, so that the extrusion mechanical tool can perform annular pressing or strip pressing conveniently, and the steel pipe joint and the sleeve joint are extruded and deformed to be buckled with the rubber hose 6. The rod pipe is No. 45 steel, the rod tip is 40 Rockwell steel, the hardness is high, and the rod pipe is not easy to wear when in use.

It is worth mentioning that: in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; mechanical connection is possible, and the specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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 do not take off head and do not block dual connection formula concrete vibrting spear of reinforcing bar which characterized in that: the pipe joint assembly comprises a steel pipe joint and a sleeve pipe joint which is connected to the steel pipe joint in a matched mode, one end of the steel pipe joint is connected with the free end of the rod pipe, and the other end of the steel pipe joint is connected with the rubber hose in an annular pressing mode and fastened with the rubber hose through an extrusion mechanical tool; the sleeve joint is divided into a connecting end and a free end, the outer diameter of the connecting end of the sleeve joint is the same as that of the steel pipe joint, the connecting end of the sleeve joint is matched on the steel pipe joint, and the sleeve joint is flush with the butt end of the steel pipe joint during fastening; the free end of the sleeve joint extends to the rubber hose, and the free end of the sleeve joint is connected with the rubber hose in a pressing mode through the strip pressing type connection by using an extrusion mechanical tool.

2. The non-slip and non-clamping steel bar double-connection type concrete vibrating spear according to claim 1, which is characterized in that: the steel pipe joint is provided with external threads, the connecting end of the casing pipe joint is provided with internal threads, and the steel pipe joint is connected with the casing pipe joint in a thread fit mode.

3. The non-slip and non-clamping steel bar double-connection type concrete vibrating spear according to claim 1, which is characterized in that: the connecting end of the steel pipe joint is connected with the rod pipe through threads.

4. The non-slip and non-clamping steel bar double-connection type concrete vibrating spear according to claim 1, which is characterized in that: one end of the steel pipe joint is connected with the rod pipe, and the other end of the steel pipe joint is connected with the rubber hose in a ring pressing mode through an extrusion mechanical tool.

5. The non-slip and non-clamping steel bar double-connection type concrete vibrating spear according to claim 1 or 4, which is characterized in that: one end of the sleeve joint is connected with the steel pipe joint through threads, and the other end of the sleeve joint is connected with the rubber hose in a strip pressing mode through an extrusion mechanical tool.

6. The non-slip and non-clamping steel bar double-connection type concrete vibrating spear according to claim 1, which is characterized in that: one end of the steel pipe joint is connected with the rod pipe, and the other end of the steel pipe joint is provided with a taper sleeve fastener and is connected with the rubber hose; the connecting end of the sleeve joint is a taper sleeve component, the free end of the sleeve joint is a pipe joint component connected with the taper sleeve component, the taper sleeve component of the sleeve joint is matched with the taper sleeve fastener of the steel pipe joint to tightly press the rubber hose, and the pipe joint component of the extending part is connected with the rubber hose in a strip pressing mode by using an extrusion mechanical tool.

7. The non-slip and non-clamping steel bar double-connection type concrete vibrating spear according to claim 6, which is characterized in that: the taper sleeve component of the sleeve joint and the pipe joint component are of an integrated structure or a split connection structure.