CN210524996U - Square handle hexagonal rod four-groove tip chisel - Google Patents

Abstract

The utility model relates to a both had good bending strength, had the four groove point chisels of square handle hexagonal pole of good excavation function again, the stalk portion is the square handle, square handle lower part pole body, and the chisel point portion of pole body lower part has four recesses in the same direction as the length in the equidistant order on the circumference conical surface of four groove point chisels and four groove point chisels. The advantages are that: the design that equidistant in the same direction as long has four recesses on the circumference conical surface of pointed chisel not only provides the sharp nature of pointed chisel head, and the during operation excavation is fast, and the ash bits of excavating in the use discharges smoothly from four grooves moreover, makes pointed chisel head can not produce the heat and reduce pointed chisel head intensity to improve the life-span of pointed chisel, ensured result of use, pointed chisel outward appearance is pleasing to the eye simultaneously.

Description

Square handle hexagonal rod four-groove tip chisel

Technical Field

The utility model relates to a four groove point chisel products have the sharpness of proposing the point chisel head, and the during operation excavation is fast, and the ash bits of excavating in the use discharges smoothly from four grooves moreover, makes the point chisel head can not produce the heat and reduce point chisel head intensity to improve the life-span of point chisel, belong to point chisel field of making.

Background

The existing rock, pavement and ground cutting point chisel matched with the mechanical arm is in structural design, the rod body is cylindrical or square, and the cone tip part is conical or quadrangular. The method has the following defects: firstly, the rod body is in a cylindrical or square structure, and a reinforcing rib structure is not formed on the structure, so that the bending strength is poor, and the deformation of the rod body is easily caused in the using process; secondly, the pyramis is the quadrangular pyramid chisel point, and the conical surface between its four corners noon and corner is the plane, can't form strengthening rib reinforcing structure, therefore its toper chisel point intensity is unsatisfactory in the use, easily causes the chisel point to warp crooked, influences the result of use. Thirdly, when the cutting tool works, the chips are not smoothly discharged, the sharp chisel head can generate heat, the strength of the sharp chisel head is reduced, and the abrasion resistance is poor; the sharp head is not sharp, and the cutting speed is slow in working.

Disclosure of Invention

The design purpose is as follows: the defects of the background art are avoided, and the square-handle hexagonal rod four-groove point chisel not only has good bending strength, but also has a good cutting function.

The design scheme is as follows: in order to achieve the above design objectives. The utility model discloses in structural design, equidistant design that has four recesses in proper order of length on the circumference conical surface of pointed chisel is the utility model discloses a two main technical characteristics. The purpose of this design is: because the taper surface of the pointed chisel is provided with the groove along the long surface, the width of the edge strip formed between the groove and the groove is larger than 2 mm of arc-shaped surface, the arc-shaped surface enables the taper surface of the pointed chisel to form a plurality of the reinforcing ribs along the long surface, the plurality of the reinforcing ribs along the long surface effectively improve the impact strength of the pointed chisel, and the body of the pointed chisel cannot deform in the using process. Meanwhile, the sharpness of the pointed chisel head is improved, the cutting speed in the working process is high, and the dust cut in the using process is smoothly discharged from the four grooves, so that the pointed chisel head cannot generate heat to reduce the strength of the pointed chisel head, and the service life of the pointed chisel is prolonged.

The technical scheme is as follows: the utility model provides a four groove point chisels of square handle hexagonal bar, the stalk portion is the square handle, square handle lower part pole body, and the chisel point portion of pole body lower part is four groove point chisels and four groove point chisels the circumference conical surface of equidistant many recesses of following length.

Compared with the prior art, the utility model, equidistant design that has four recesses in the same direction as long on the circumference conical surface of pointed chisel has not only promoted the resistance strength of pointed chisel portion, and its toper chisel point intensity is high in the use moreover, can not cause the chisel point to warp crooked, has ensured the result of use.

Drawings

Fig. 1 is a schematic structural diagram of a square-shank hexagonal rod four-flute chisel.

Fig. 2 is a schematic sectional view of a-a in fig. 1.

FIG. 3 is a schematic cross-sectional view of B-B in FIG. 1.

Fig. 4 is a schematic sectional structure view of C-C in fig. 1.

Detailed Description

Example 1: reference is made to fig. 1-4. The utility model provides a four groove point chisels of square handle hexagonal bar, the stalk portion is square handle 1, 1 lower part pole body 2 of square handle, and 2 lower parts of pole body chisel portion are equidistant on the circumference conical surface of four groove point chisels 3 and is had many recess 4 and the groove face of recess 4 for concave arc wall in the same direction as length. The grooves are provided with ribs 5. The width of the reinforcing ribs 5 is greater than 2 mm.

It is to be understood that: although above-mentioned embodiment is right the utility model discloses a design has done more detailed word description, but these word descriptions, are only right the utility model relates to a simple word description of idea, rather than right the utility model relates to a restriction of idea, any do not surpass the utility model relates to a combination, increase or the modification of idea all fall into the utility model discloses a within the protection scope.

Claims (4)

1. The utility model provides a four groove point chisels of square handle hexagonal bar, stalk portion are square handle (1), square handle (1) lower part pole body (2), characterized by: the chisel point part of the lower part of the bar body (2) is a four-groove point chisel (3), and four grooves (4) are arranged on the circumference conical surface of the four-groove point chisel (3) at equal intervals in the same direction.

2. The square shank hexagonal bar four flute point chisel of claim 1, wherein: reinforcing ribs (5) are formed between the grooves.

3. The square shank hexagonal bar four flute point chisel of claim 2, wherein: the width of the reinforcing rib (5) is more than 2 mm.

4. The square shank hexagonal bar four flute point chisel of claim 1, wherein: the groove surface of the groove (4) is a concave arc-shaped groove.

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