Dental drill with multi-blade structure

Abstract

The utility model relates to the technical field of tooth implantation drilling equipment, and provides a multi-blade structure dental drill which comprises a drill rod, a guide blade and a side blade, the guide blade is arranged at one end of the drill rod and used for machining a guide hole in the axial direction of the drill rod. The side cutting edge is arranged on the side face of the drill rod. The side cutting edges extend in the axial direction of the drill rod.

Description

Technical Field

[0001] The utility model belongs to the technical field of tooth implant drilling equipment, and more specifically, relates to a dental drill with a multi-blade structure. Background Art

[0002] Dental implants are very common in modern life. During the implantation process, it is often necessary to drill holes in the oral cavity. Drilling is usually performed using a drill bit, which generally includes a drill rod and a blade disposed on the drill rod. The blade can drill holes when the drill rod rotates. Existing drill bits are prone to shaking during the drilling process, and the inner wall of the hole drilled by the drill bit is not smooth.

[0003] The drill bit can refer to the cutter head in (Chinese invention patent; publication number: CN117017536A; subject name: dental implant positioning component and positioning method thereof; publication date: 2023-11-10). Utility Model Content

[0004] The utility model aims to provide a dental drill with a multi-blade structure to solve the technical problem in the prior art that the inner wall of a hole drilled by the drill is not smooth.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a multi-blade structure dental drill, comprising:

[0006] Drill pipe;

[0007] A guide blade; the guide blade is arranged at one end of the drill rod and is used to process a guide hole in the axial direction of the drill rod;

[0008] Side cutting edge; the side cutting edge is arranged on the side of the drill rod; the side cutting edge extends along the axial direction of the drill rod.

[0009] Furthermore, there are multiple side blades.

[0010] Furthermore, the number of the side blades is four.

[0011] Furthermore, in a direction surrounding the drill rod, the four side cutting edges are evenly spaced apart.

[0012] Furthermore, in the direction surrounding the drill rod, there is a groove between any two adjacent side cutting edges.

[0013] Further, the groove extends along the axial direction of the drill rod.

[0014] Furthermore, it also includes: a bottom blade for cutting external objects in the same direction as the guide blade; the bottom blade is located on the drill rod between the side blade and the guide blade.

[0015] Furthermore, the bottom blade is connected to one of the side blades.

[0016] Further, the number of the guide blades is two; and / or the number of the bottom blades is two.

[0017] Further, the bottom blade extends in a straight direction; and / or the guide blade extends in a straight direction.

[0018] The beneficial effects of the multi-blade structure dental drill provided by the utility model are as follows: compared with the prior art, the multi-blade structure dental drill provided by the utility model, assuming that the drill rod is arranged vertically, the guide blade is located at the bottom end of the drill rod; when the drill rod is driven to rotate by an external tool and the drill rod is moved downward in the axial direction, the guide blade can be inserted into the original guide hole on the external object to guide the axial movement of the drill rod, which greatly improves the stability of the drill rod and reduces the shaking of the drill rod. The more stable drill rod can make the side blade smoother when cutting the inner wall of the external channel; the guide blade can also process a new guide hole on the external object or further cut the original guide hole, and then the guide blade cooperates with the new guide hole or the original guide hole; a side blade is arranged on the side of the drill rod, and when the drill rod rotates, the side blade can cut the external object radially outside the drill rod, and the side blade extends along the axial direction of the rod body, so that when the side blade rotates with the drill rod, the side blade cuts the inner wall of the external channel very smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 A schematic front view of a multi-blade dental drill provided by an embodiment of the utility model;

[0021] Figure 2 for Figure 1 Middle AA section view;

[0022] Figure 3 A three-dimensional schematic diagram of a multi-blade dental drill provided in an embodiment of the utility model Figure 1 ;

[0023] Figure 4 A three-dimensional schematic diagram of a multi-blade dental drill provided in an embodiment of the utility model Figure 2 .

[0024] Among them, the reference numerals in the figure are:

[0025] 1-drill rod; 2-guide blade; 3-side blade; 31-groove; 4-bottom blade. DETAILED DESCRIPTION

[0026] It should be noted that the specific embodiments are only used to explain the present invention, and are not used to limit the present invention.

[0027] It should be noted that, in the description of the embodiments of the present application, unless otherwise specified, " / " means or, for example, A / B can mean A or B; "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. Among them, A and B can be singular or plural respectively.

[0028] It should be noted that when an element is referred to as being "fixed on" or "set on" another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" or "connected to" another element, it may be directly connected to the other element or indirectly connected to the other element. When an element is referred to as being "fixed on" or "set on" another element, it may be directly on the other element or indirectly on the other element.

[0029] It should be noted that the directions or positional relationships indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0030] It should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0031] It should be noted that the term "plurality" means two or more than two, unless otherwise clearly and specifically defined.

[0032] Please also read Figures 1 to 4The multi-blade dental drill provided by the utility model is now described. The multi-blade dental drill comprises: a drill rod 1, a guide blade 2, and a side blade 3; the guide blade 2 is arranged at one end of the drill rod 1 and is used to process a guide hole in the axial direction of the drill rod 1; the side blade 3 is arranged on the side of the drill rod 1; and the side blade 3 extends along the axial direction of the drill rod 1.

[0033] So, see Figure 1 , assuming that the drill rod 1 is arranged vertically, and the guide blade 2 is located at the bottom end of the drill rod 1; when the drill rod 1 is driven to rotate by an external tool (external tool: for example, an external motor drives the drill rod 1 to rotate) and the drill rod 1 moves downward in the axial direction, the guide blade 2 can be inserted into the original guide hole on the external object (in one embodiment, the original guide hole can be processed by other drill bits) to guide the axial movement of the drill rod 1, which greatly improves the stability of the drill rod 1, reduces the shaking of the drill rod 1, and a more stable drill rod 1 can be obtained. So that the side blade 3 can be smoother when cutting the inner wall of the external channel; the guide blade 2 can also process a new guide hole on the external object or further cut the original guide hole, and then the guide blade 2 cooperates with the new guide hole or the original guide hole; a side blade 3 is arranged on the side of the drill rod 1, and the side blade 3 can cut the external object radially outside the drill rod 1 when the drill rod 1 rotates. The side blade 3 extends along the axial direction of the rod body, so that when the side blade 3 rotates with the drill rod 1, the side blade 3 cuts the inner wall of the external channel very smoothly.

[0034] Regarding the "side" of the drill rod 1: the side refers to the outer surface between the two ends of the drill rod 1. In one embodiment, we assume that the drill rod 1 is cylindrical, and the side refers to the arc-shaped surface of the cylinder.

[0035] In one embodiment, the drill rod 1 extends in a straight direction. In one embodiment, the drill rod 1 is cylindrical. In one embodiment, the drill rod 1 is cylindrical.

[0036] In one embodiment, the guide blade 2 of the drill rod 1 is arranged on an end surface of the drill rod 1 .

[0037] For further information, see Figures 1 to 4 As a specific embodiment of the multi-blade structure dental drill provided by the utility model, the number of the side blades 3 is multiple. In this way, multiple side blades 3 can improve the cutting efficiency.

[0038] For further information, see Figures 1 to 4 As a specific implementation of the multi-blade structure dental drill provided by the utility model, the number of the side blades 3 is four.

[0039] For further information, see Figures 1 to 4As a specific embodiment of the multi-blade structure dental drill provided by the utility model, four side blades 3 are evenly spaced in the direction surrounding the drill rod 1. In this way, the four side blades 3 are more uniform during the cutting process.

[0040] For further information, see Figures 1 to 4 As a specific embodiment of the multi-blade structure dental drill provided by the utility model, there is a groove 31 between any two adjacent side blades 3 in the direction surrounding the drill rod 1. In this way, the debris can be discharged from the groove 31.

[0041] For further information, see Figures 1 to 4 As a specific embodiment of the multi-blade dental drill provided by the utility model, the groove 31 extends along the axial direction of the drill rod 1. In this way, the debris is conveniently discharged along the axial direction of the drill rod 1.

[0042] For further information, see Figures 1 to 4 As a specific embodiment of the multi-blade structure dental drill provided by the utility model, it also includes: a bottom blade 4 for cutting external objects in the same direction as the guide blade 2; the bottom blade 4 is located on the drill rod 1 between the side blade 3 and the guide blade 2. In this way, the bottom blade 4 can assist the guide blade 2 to cut in the same direction.

[0043] For further information, see Figures 1 to 4 As a specific embodiment of the multi-blade structure dental drill provided by the utility model, the bottom blade 4 is connected to one of the side blades 3. In this way, the stress transfer between the guide blade 2 and the bottom blade 4 is facilitated.

[0044] For further information, see Figures 1 to 4 As a specific embodiment of the multi-blade structure dental drill provided by the utility model, the number of the guide blades 2 is two. In this way, the cutting efficiency is improved.

[0045] In one embodiment, the number of the bottom blades 4 is two, so as to improve the cutting efficiency.

[0046] For further information, see Figures 1 to 4 As a specific embodiment of the multi-blade structure dental drill provided by the utility model, the bottom blade 4 extends in a straight line direction; and / or the guide blade 2 extends in a straight line direction. In this way, a surface can be cut out more quickly.

[0047] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A multi-blade dental drill, characterized in that: include: Drill pipe; A guide blade; the guide blade is arranged at one end of the drill rod and is used to process a guide hole in the axial direction of the drill rod; side blade; The side cutting edge is arranged on the side surface of the drill rod; the side cutting edge extends along the axial direction of the drill rod.

2. The multi-blade dental drill according to claim 1, characterized in that: The number of the side blades is plural.

3. The multi-blade dental drill according to claim 2, characterized in that: The number of the side blades is four.

4. The multi-blade dental drill according to claim 3, characterized in that: In a direction surrounding the drill rod, the four side cutting edges are evenly spaced apart.

5. The multi-blade dental drill according to claim 4, characterized in that: In the direction surrounding the drill rod, there is a groove between any two adjacent side cutting edges.

6. The multi-blade dental drill according to claim 5, characterized in that: The groove extends along the axial direction of the drill rod.

7. The multi-blade dental drill according to any one of claims 1 to 6, characterized in that: Also includes: a bottom blade for cutting an external object in the same direction as the guide blade; The bottom blade is located on the drill rod between the side blade and the guide blade.

8. The multi-blade dental drill according to claim 7, characterized in that: The bottom blade is connected to one of the side blades.

9. The multi-blade dental drill according to claim 7, characterized in that: The number of the guide blades is two; and / or the number of the bottom blades is two.

10. The multi-blade dental drill according to claim 7, characterized in that: The bottom blade extends in a straight line direction; and / or the guide blade extends in a straight line direction.

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