Chisel

Abstract

The utility model provides a chisel, which relates to the technical field of furniture manufacturing, and comprises a rod body and arc chisels arranged at the end part of the rod body, the tips of the arc chisels are concave cambered surfaces with the outer side surfaces higher than the inner side surfaces, and the arc chisels are arranged on the plane of the end part of the rod body according to a set number and set positions. According to the technical scheme, the technical problem that in the prior art, a proper tool for manufacturing the riveting hole in the specific shape is lacked is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of furniture manufacturing, in particular to a chisel. Background Art

[0002] Mortise and tenon plays a dominant role in the structure of solid wood tables and is known as the "essence" of solid wood furniture. It has a history of thousands of years in China. Mortise and tenon is the fitting of concave and convex corresponding parts. For the structure that needs to reserve the expansion space required in the mortise assembly process inside the concave hole and mortise hole, special tools are needed during its forming process. However, in the prior art, there is no applicable tool for forming concave holes of specific shapes. Content of the Utility Model

[0003] The purpose of the utility model is to provide a chisel to solve the technical problem that there is a lack of a suitable tool for making mortise holes of specific shapes in the prior art. The many technical effects that can be produced by the preferred technical solutions provided by the utility model are described in detail below.

[0004] To achieve the above purpose, the utility model provides a chisel, including a rod body and an arc chisel arranged at the end of the rod body. The tip of the arc chisel is an inner concave arc surface with the outer side surface higher than the inner side surface. The arc chisels are arranged on the end plane of the rod body according to a set number and set positions.

[0005] Optionally, a plurality of arc chisels are provided, and the plurality of arc chisels are evenly distributed along one side of the end plane where they are located.

[0006] Optionally, one side of the end plane where the arc chisels are located is set to be circular arc-shaped or straight-line-shaped.

[0007] Optionally, one end of the rod body where the arc chisels are not provided is cylindrical, and the corresponding end plane is circular.

[0008] The technical solution of the utility model may include the following beneficial effects:

[0009] The chisel provided by the utility model is provided with arc chisels at the end of the rod body of the chisel, and the number and positions of the arc chisels can be arranged according to actual needs. The tip of the arc chisel is set to be an inner concave arc surface with the outer side surface higher than the inner side surface, which is easy to chisel. The arc chisels with a set number and set positions can directly chisel out the structure of the expansion space inside the mortise hole when the mortise hole is formed, which is simple and convenient.

[0010] It can be seen that the chisel of this solution solves the technical problem that there is a lack of a suitable tool for making mortise holes of specific shapes in the prior art. Description of the Drawings

[0011] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0012] Figure 1 It is a schematic structural diagram of a chisel according to an embodiment of the present invention;

[0013] Figure 2 It is a schematic diagram of the end of a chisel according to an embodiment of the present invention;

[0014] Figure 3 It is a schematic structural diagram of a chisel according to another embodiment of the present invention;

[0015] Figure 4 It is a schematic diagram of the end of a chisel according to another embodiment of the present invention;

[0016] Figure 5 It is another schematic structural diagram of a chisel according to another embodiment of the present invention;

[0017] Figure 6 It is a schematic diagram of the hole structure drilled by a chisel according to an embodiment of the present invention.

[0018] In the figure: 1. Rod body; 11. End plane where the arc chisel is located; 12. Cylindrical end; 2. Arc chisel; 21. Arc chisel tip. Detailed implementation manners

[0019] To make the objectives, technical solutions, and advantages of the present invention clearer, the following will describe the technical solutions of the present invention in detail. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other implementation manners obtained by those of ordinary skill in the art without creative efforts belong to the scope protected by the present invention.

[0020] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time.

[0021] Figure 1 It is a schematic structural diagram of a chisel according to an embodiment of the present invention, as Figure 1-5 shown:

[0022] The present utility model provides a chisel, which includes a rod body 1 and an arc chisel 2 arranged at the end of the rod body 1. The tip 21 of the arc chisel 2 is a concave arc surface with the outer side surface higher than the inner side surface. The arc chisels 2 are arranged on the end plane 11 of the rod body according to a set number and set positions.

[0023] Specifically, arc chisels 2 with the number and positions that can be arranged according to actual needs are arranged at the end 11 of the rod body of the chisel. The tip 21 of the arc chisel is set as a concave arc surface with the outer side surface higher than the inner side surface, which is easy to chisel. The arc chisels 2 with the set number and set positions can directly chisel out the structure of the internal expansion space of the mortise joint hole when the mortise joint hole is formed, which is simple and convenient (as Figure 6 shown). For the mortise joint hole, use the chisel of this solution to chisel the wall and clear the bottom of the reserved hole that has been drilled in the main part according to the drawing requirements, so as to provide occupation space for the concave-convex structure where the end of the grooved tenon expands outwards; the whole rod body is designed as an arc rod, and the shape and size of the end of the arc rod where the arc chisels are arranged are equal in diameter to the reserved hole of the mortise joint hole. The height of the arc chisel is greater than 8 mm and it is in a horseshoe shape. When in use, the chisel is inserted into the designed height of the reserved hole wall along the wood grain at an inclination of 20 degrees, and the other end of the chisel rod is struck, and a new three-dimensional space will be chiseled out at the bottom hole wall and the bottom surface of the reserved hole according to the drawing design.

[0024] As an optional implementation manner, a plurality of arc chisels 2 are provided, and the plurality of arc chisels 2 are evenly distributed along one side of the end plane 11 where they are located. The number of arc chisels is set according to the shape of the bottom of the mortise joint hole.

[0025] As an optional implementation manner, one side of the end plane 11 where the arc chisel 2 is located is set as a circular arc or a straight line. As shown in Figure 1 and Figure 3 shown, the shape of the end plane of the rod body can be set as a circular arc or a straight line to correspond to the shape of the reserved hole of the mortise joint hole. The circular arc end plane corresponds to a cylindrical hole as shown in Figure 6 shown, and the mortise joint hole corresponding to the straight-line end plane is a square hole, which is not shown in the figure.

[0026] As an optional implementation manner, one end of the rod body 1 where the arc chisel 2 is not provided is cylindrical, and the corresponding end plane is circular. The cylindrical end of the rod body 1 provides a solid structure for the chisel. The end plane of this end is set as circular and serves as the end to bear the knocking, which is firm and resistant to hitting.

[0027] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0028] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claimed rights.

Claims

1. A chisel, characterized in that: It comprises a rod body and an arc chisel arranged at the end of the rod body, the tip of the arc chisel is an inner concave arc surface with an outer side surface higher than an inner side surface, and the arc chisels are arranged on the plane of the end of the rod body according to a set number and a set position.

2. The chisel according to claim 1, characterized in that A plurality of arc-shaped chisels are provided, and the arc-shaped chisels are evenly distributed along one side edge of the end plane where the arc-shaped chisels are located.

3. The chisel according to claim 2, characterized in that The end plane where the arc chisel is located is provided with a side edge of the arc chisel which is arranged in an arc shape or a straight line shape.

4. The chisel according to claim 3, characterized in that The end portion of the rod body where the arc chisel is not provided is cylindrical, and the corresponding end plane is circular.

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