CN103590610B - One ties up reinforcing bar instrument - Google Patents

Abstract

The invention relates to a building construction tool, in particular to a tool for binding steel bars. The invention comprises a tool handle, a connecting rod, a wire-tying roller bracket, and a wire-tying roller. A rotatable wire-tying roller is installed on the wire-tying roller bracket, and a wire is wound on the wire-tying roller; an operating rod is installed on the wire-tying roller bracket. ;Operate the operating lever to pass the binding wire from the clamping opening between the fixed plate and the movable plate into two arc-shaped conduits to reach the clamping groove at the end of the binding wire; pull the pull rope to rotate the steel bar binding tool to achieve the The purpose of twisting the wires together; then pull the handle of the tool hard, cut the tied wires through the scissors connected with the pull rope, and under the action of the rebounding rotating rubber band, the pull rope will be rewound and ready for the next work. The invention uses a mechanical principle, does not need electricity, is small in size, light in weight, low in cost, high in work efficiency, higher in efficiency than the traditional hook binding method, and saves raw materials.

Description

A tool for tying steel bars

technical field

The invention relates to a building construction tool, in particular to a tool for binding steel bars.

Background technique

At present, the traditional method of tying hooks is mostly used for tying steel bars in building construction in the society. This tying method has simple tools, but is time-consuming and labor-intensive, and has low work efficiency. A kind of machine of binding steel bar has occurred on the market, and this machine is power source with dry battery, and motor is power. The working efficiency of this kind of machine is several times that of manual labor, but the price of the machine is relatively high, more than 2,000 yuan per machine, and the body is also relatively heavy, which is inconvenient to use.

Contents of the invention

The object of the present invention is to provide a small, portable, and low-cost steel bar binding tool.

The invention includes a tool handle, a connecting rod, a wire-tying roller bracket, and a wire-tying roller. The round tube at the upper port of the wire-tying roller bracket has a built-in bearing, the lower end of the connecting rod is installed in the bearing, and a pulley is installed on the connecting rod. The upper part of the tool handle is A horizontal tube, the lower part is a square tube, the square tube is sleeved on the upper end of the connecting rod, a horizontal shaft is fixed in the middle of the wire-tying drum bracket, a rotatable wire-tying drum is installed on the horizontal shaft, and the wire-tying drum is wound on the wire-tying drum; An operating rod control bar is fixed on the wire drum support, and an operating rod is installed in the operating rod control bar; a swing rod is hinged on the right side of the lower part of the wire binding drum bracket, the left end of the swing rod is hinged with the lower part of the operating rod, and a fixed plate is fixed on the right end, and the upper end of the fixed plate Hinged with the top of the movable plate, there is an opening for threading wire between the fixed plate and the movable plate, there is a return spring between the fixed plate and the wire binding roller support, the movable plate is fixedly connected with the movable rod, and the left end of the movable rod is hinged with the lower end of the operating rod There are two arc-shaped conduits installed at the lower end of the wire-tying roller bracket, and a scissors for cutting the wire is installed at the gap between the two conduits, and a return spring is installed between the handles of the scissors; The clamping groove at the end of the wire is hinged with an "L"-shaped splint, the "L"-shaped splint is hinged with the lower end of the connecting rod, and the upper end of the connecting rod is hinged with the lower end of the operating rod; Pull the rope, the upper end of the pull rope is fixed on the pull rope pull rod on the square tube of the handle tool through the pulley on the connecting rod, and the lower end of the pull rope is fixed on the chuck at the handle of the scissors; A rebounding rotating rubber band is wound on the top, and the winding direction of the rebounding rotating rubber band is opposite to that of the stay rope.

A limit ring with a limit stay rope is installed on the above-mentioned wire binding drum support.

Compared with the prior art, the present invention has the following advantages:

The invention uses a mechanical principle, does not need electricity, is small in size, light in weight, low in cost, high in work efficiency, higher in efficiency than the traditional hook binding method, and saves raw materials.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a left side view of Fig. 1 .

Fig. 3 is a schematic diagram of scissors.

Fig. 4 is a schematic diagram of the movement of the "L" shaped splint.

In the figure: 1. Wire binding roller bracket, 2. Round pipe, 3. Bearing, 4. Connecting rod, 5. Tool handle, 6. Horizontal pipe, 7. Square pipe, 8. Pulling rod for pull rope, 9. Rebound rotation Rubber band, 10. Pulley, 11. Pull rope, 12. Operating rod, 13. Operating rod control bar, 14. Horizontal axis, 15. Tie wire roller, 16. Swing rod, 17. Movable rod, 18. Connecting rod, 19 .Clamping groove at the end of the wire binding, 20.L" shaped splint, 21. Short arc conduit, 22. Scissors, 23. Chuck, 24. Arc conduit, 25. Return spring, 26. Binding wire, 27. Movable plate, 28. fixed plate, 29. pass through the jaw of binding wire, 30. back-moving spring.

detailed description

The present invention comprises a tool handle 5, a connecting rod 4, a wire-tying drum support 1, and a wire-tying drum 15. The round tube 2 at the upper end of the wire-tying drum bracket 1 has a built-in bearing 3, and the lower end of the connecting rod 4 is installed in the bearing 3. 4 is equipped with a pulley 10, tool handle 5 top is a horizontal tube 6, the bottom is a square tube 7, the square tube 7 is sleeved on the upper end of the connecting rod 4, a horizontal shaft 14 is fixed in the middle part of the wire binding roller bracket 1, and the horizontal shaft 14 A rotatable wire-tying drum 15 is installed, and the wire-tying drum 15 is wound with a wire-tying 26; an operating rod control bar 13 is fixed on the wire-tying drum support 1, and an operating rod 12 is installed in the operating rod control bar 13; A swing bar 16 is hinged on the right side of the bottom of the support 1, the left end of the swing bar 16 is hinged with the operating rod 12 bottom, the right end is fixed with a fixed plate 28, the upper end of the fixed plate 28 is hinged with the upper end of the movable plate 27, and there is a hole between the fixed plate 28 and the movable plate 27. Enter the jaw 29 of binding silk, there is a back-moving spring 30 between fixed plate 28 and binding silk cylinder support 1, movable plate 27 is fixedly connected with movable rod 17, and movable rod 17 left end is hinged with operating lever 12 lower ends; The lower end is equipped with a short arc conduit 21 and an arc conduit 24, and a scissors 22 for cutting the binding wire is installed at the gap between the two arc conduits 21, 24, and a return spring 25 is installed between the handles of the scissors 22. After the scissors cut the binding wire, under the action of the return spring, the scissors will be opened again; the lower end of the binding wire drum support 1 is equipped with a binding wire end clamping groove 19, and the binding wire end clamping groove 19 is hinged with an "L" shaped splint 20 , the "L" shaped splint 20 is hinged with the lower end of the connecting rod 18, the upper end of the connecting rod 18 is hinged with the lower end of the operating rod 12, the operating rod 12 is upward, and the "L" shaped splint 20 is rotated to expose the clamping groove 19 at the end of the binding wire. The wire can be threaded into the clamping groove 19 at the end of the wire binding, the connecting rod is returned, and the "L" shape splint 20 can be rotated to clamp the inserted wire; The upper end of the stay cord 11 is fixed on the stay cord pull bar 8 on the square tube of the handle tool through the pulley 10 on the connecting rod 4, and the lower end of the stay cord 11 is fixed on the chuck 23 at the handle of the scissors 22; The round pipe 2 at the upper end of the silk drum support 1 is wound with a rebounding rotating rubber band 9 , and the winding direction of the rebounding rotating rubber band 9 is opposite to that of the stay cord 11 .

A limit ring with a limit stay rope is installed on the above-mentioned wire binding drum support 1 .

How to use: Hold the handle of the tool, insert the end of the binding wire into the clamp between the fixed plate and the movable plate, then insert the arc-shaped conduit, and align the front end of the arc-shaped conduit with the central part of the clamp groove of the end of the binding wire. Align the intersection of the steel bars to be bound, then swing the operating lever to the right so that the fixed plate and the movable plate will clamp the binding wire, and then lift the operating lever upward so that the fixed plate and the movable plate arc downward, and the binding wire is Pull down, along the arc-shaped conduit, until the clamping groove at the end of the binding wire, at this time, the "L"-shaped splint hinged with the clamping groove at the end of the binding wire rotates under the drive of the connecting rod hinged with the operating rod, and the clamping groove at the end of the binding wire Open, the binding wire enters the clamping groove at the end of the binding wire, and then swing the operating lever back to the left. At this time, under the action of the return spring, the fixed plate and the movable plate return to their positions, and the "L" of the clamping groove at the end of the binding wire is hinged. The end of the binding wire is clamped by the splint, and finally the handle of the tool is pulled up to pull the binding wire, and the binding wire roller will provide the corresponding binding wire. The wire is clamped, and then the handle of the tool is pulled upward to pull the pull rope, and the lower parts are driven to rotate by the pull rope, so as to achieve the purpose of binding the wire and twisting together. When the stay cord is fully unfolded, the wire binding is completed immediately, and then the handle of the tool is pulled hard, and the wire is cut through the scissors connected with the stay cord. At this time, under the action of the rebounding rotating rubber band, the stay rope will be rewound, ready for the next work.

Claims (2)

1. A tool for tying steel bars, characterized in that it comprises a tool handle, a connecting rod, a wire-tying roller bracket, a wire-tying roller, and the round tube at the upper end of the wire-tying roller bracket has a built-in bearing, and the lower end of the connecting rod is installed in the bearing, and the connecting rod A pulley is installed on the tool handle. The upper part of the tool handle is a horizontal tube, and the lower part is a square tube. The square tube is sleeved on the upper end of the connecting rod. A binding wire is wound on the wire drum; an operating rod control bar is fixed on the wire binding drum support, and an operating rod is installed in the operating rod control bar; a swing rod is hinged on the right side of the lower part of the wire binding drum bracket, and the left end of the swing rod is hinged to the lower part of the operating rod. The right end is fixed with a fixed plate, the upper end of the fixed plate is hinged with the upper end of the movable plate, there is a clamp to penetrate the binding wire between the fixed plate and the movable plate, there is a return spring between the fixed plate and the wire binding roller bracket, and the movable plate and the movable rod are fixed. Connection, the left end of the movable rod is hinged with the lower end of the operating rod; two arc-shaped conduits are installed at the lower end of the wire binding roller bracket, and a scissors for cutting the binding wire is installed at the gap between the two conduits, and a return is installed between the handles of the scissors Spring; the lower end of the wire-tying roller bracket is equipped with a wire-binding end clamping groove, which is hinged with an "L"-shaped splint, the "L"-shaped splint is hinged with the lower end of the connecting rod, and the upper end of the connecting rod is hinged with the lower end of the operating rod; A drawstring is wound around the round pipe at the upper end of the wire-tying roller bracket, and the upper end of the drawstring is fixed on the drawstring pull rod on the square tube of the tool handle through the pulley on the connecting rod, and the lower end of the drawstring is fixed on the chuck at the handle of the scissors; The connecting rod and the round tube at the upper end of the wire-tying roller bracket are wound with a rebounding rotating rubber band, and the winding direction of the rebounding rotating rubber band is opposite to that of the stay rope. 2. A tool for tying steel bars as claimed in claim 1, characterized in that a limiting ring for limiting the stay rope is installed on the support of the wire tying roller.