CN220241753U - Woodworking hole digger with internal screw joint - Google Patents

Abstract

The utility model discloses a woodworking hole digger with an internal screw joint, which comprises a handle body and a drill bit, wherein the tail end of the handle body is provided with a mounting groove, and the inner wall of the mounting groove is provided with internal threads. The internal thread of the mounting groove can be connected with a connecting rod or a lengthening connecting rod in the market, can be matched with the connecting rod, can be converted into any conversion head to be matched with any machine type, improves the matching use of multiple machine types, is matched with the lengthening connecting rod, avoids the conditions that the existing similar products can only be used in a single machine matching mode and can only be used for drilling deep holes and is not long enough, can drill the deep holes, and greatly improves the use universality.

Description

Woodworking hole digger with internal screw joint

Technical Field

The utility model relates to the technical field of hole openers, in particular to a woodworking hole opener with an internal screw joint.

Background

The types of hole openers are various, and according to the hole openers, the hole openers can be divided into stone hole openers, metal hole openers and wood hole openers, and the existing wood hole openers are often divided into drill chuck installation and quick-release head installation when being installed, wherein the drill chuck installation has good stability (concentricity), but can easily slip under the condition of insufficiently firm clamping; the quick-release head has a mounting clearance, and has poor axial precision and easy deflection although no slipping phenomenon exists, so that improvement on the prior art is needed.

Disclosure of Invention

First, the technical problems to be solved

Aiming at the defects in the prior art, the utility model provides the woodworking hole puncher with the internal screw interface, and the internal screw of the installation groove can be independently connected with the extension rod or directly connected with a pistol drilling line, so that on one hand, the stability is greatly improved, on the other hand, the manual installation is convenient, and the use requirement can be met.

(II) technical proposal to be adopted

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the woodworking hole digger comprises a handle body and a drill bit, wherein the tail end of the handle body is provided with a mounting groove, and the inner wall of the mounting groove is provided with an internal thread.

Preferably, the drill bit comprises a main body welded at the head end of the handle body, a drill tip is arranged at the center of the main body, chip grooves are formed in the main body, cutting blades are arranged on the side walls of the chip grooves, and cutting teeth are arranged on the cutting blades.

Preferably, the end of the cutting blade is provided as a raised portion.

Preferably, the drill bit is made of hard alloy.

(III) technical effects to be achieved

Compared with the prior art, the utility model has the beneficial effects that:

the tail end of the handle body is provided with the mounting groove, the inner wall of the mounting groove is provided with the internal thread, and the internal thread of the mounting groove can be singly connected with the extension rod or directly connected with a pistol drilling line, so that the stability is greatly improved on one hand, and the mounting is convenient to manually install on the other hand, and the use requirement can be met.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

FIG. 2 is a schematic view of the present utility model mated with an extension bar.

In the figure: 1, a handle body; 2, a drill bit; 3, a mounting groove; 21, a main body; 22, drill point; 23, chip removal grooves; 24, cutting blade; 25, cutting teeth; 26, a tilting portion.

Detailed Description

In the description of the present utility model, it should be noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected or indirectly connected to the other element.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "length", "width", "thickness", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of description and simplicity of description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two original parts. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The present utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

Embodiment one: referring to fig. 1, a carpenter's hole device with internal screw interface, including handle body 1 and drill bit 2, the tail end of handle body 1 is provided with mounting groove 3, the inner wall of mounting groove 3 is provided with the internal thread, as shown in fig. 2, the mounting groove can be used to connect the extension bar, also can be used to connect the pistol drill, and owing to be provided with the internal thread in mounting groove 3, is favorable to so making more firm with extension bar or pistol drill connection, and also can realize the manual installation, is favorable to satisfying user's demand more.

As shown in fig. 2, the lengthening rod in the utility model is used in a pistol drill, is directly connected and placed in the pistol drill, and is connected with a lithium electric spanner converting head after being connected, and is placed in the lithium electric spanner and has 7 different lengths from 150mm to 600mm, and the lengthening rod is optionally selected.

Embodiment III: it can be explained on the basis of the first embodiment or the second embodiment, as shown in fig. 1, the drill 2 includes a main body 21 welded at the head end of the shank 1, a drill tip 22 is provided at the center of the main body 21, chip grooves 23 are provided on the main body 21, cutting blades 24 are provided on the side walls of the chip grooves 23, and cutting teeth 25 are provided on the cutting blades 24, so that the drill tip 22 can be drilled, and the cutting teeth 25 on the cutting blades 24 can also be drilled and reamed, so that the use requirement can be satisfied. It is also contemplated that the ends of the cutting blade 24 are configured as a raised portion 26, which is more advantageous for cutting. The drill bit 2 is made of hard alloy, has good wear resistance and can effectively ensure the service life.

It should be noted that, although the foregoing embodiments have been described herein, the scope of the present utility model is not limited thereby. Therefore, based on the innovative concepts of the present utility model, alterations and modifications to the embodiments described herein, or equivalent structures or equivalent flow transformations made by the present description and drawings, apply the above technical solutions directly or indirectly to other relevant technical fields, all of which are included in the scope of protection of the present patent.

Claims (3)

1. The utility model provides a carpenter's hole digger that contains interior spiral shell interface, includes handle body (1) and drill bit (2), its characterized in that: the tail end of the handle body (1) is provided with a mounting groove (3), the inner wall of the mounting groove (3) is provided with an internal thread, the drill bit (2) comprises a main body (21) welded at the head end of the handle body (1), a drill tip (22) is arranged at the center of the main body (21), a chip groove (23) is formed in the main body (21), a cutting knife (24) is arranged on the side wall of the chip groove (23), and cutting teeth (25) are arranged on the cutting knife (24).

2. A woodworking hole opener having an internal screw connection as in claim 1, wherein: the end of the cutter blade (24) is provided with a tilting portion (26).

3. A woodworking hole opener having an internal screw connection as claimed in claim 1 or claim 2, wherein: the drill bit (2) is made of hard alloy.