Positioning drill with cover

Abstract

The utility model discloses a positioning drill with a cover, which comprises a drill bit and a positioning cover arranged on the drill bit, the positioning cover can freely rotate on the drill bit, the drill bit comprises a drill handle and a drill body arranged on the drill handle, and at least one clamping groove is arranged on the drill handle. The connecting structure is reasonable in design, simple in structure, capable of enabling connection with the outside to be firmer, favorable for avoiding the risk of separation, better in strength and more favorable for meeting use requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to drill bit technical field especially, relates to a kind of with cover positioning drill. BACKGROUND

[0002] Known drill bit is used to drill out through hole or blind hole on solid material, and can be used to enlarge the hole. However, the existing drill bit has a blocking piece on the blade body, which can cause damage to the round hole or groove edge or generate burr during drilling or grooving, and cannot meet the requirements of drilling or grooving. Therefore, a wood drill with cover is disclosed in the Chinese Utility Model Patent with the authorization announcement number CN221872389U, which includes a drill rod and a cutting head on the front end of the drill rod. A positioning cover is arranged on the drill rod and rotates with the drill rod. The positioning cover can prevent damage to the round edge of the hole or groove and generate burr, and can meet the production requirements of drilling or grooving. However, the drill rod is connected to the outside and rotates at high speed, which can cause disconnection during operation and cannot meet the use requirements due to the insufficient strength of the traditional solid rod. SUMMARY

[0003] (I) Technical problems to be solved

[0004] To overcome the shortcomings of the prior art, the utility model provides a positioning drill with cover, which has reasonable design, simple structure, and can be more firmly connected to the outside to prevent disconnection, has better strength, and can meet the use requirements.

[0005] (II) Technical solutions to be adopted

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] A positioning drill with cover includes a drill bit and a positioning cover arranged on the drill bit. The positioning cover can rotate freely on the drill bit. The drill bit includes a drill handle and a drill body arranged on the drill handle. The drill handle is provided with a clamping groove, and the clamping groove is at least one.

[0008] Preferably, the drill handle includes a reinforcing rod arranged on the drill body. The reinforcing rod is provided with a connecting rod, and the connecting rod is provided with a hexagonal rod. The hexagonal rod is provided with at least one clamping groove. The connecting rod and the hexagonal rod are connected by an arc segment. The diameter of the reinforcing rod is greater than the diameter of the connecting rod, and the diameter of the connecting rod is greater than the diameter of the hexagonal rod.

[0009] Preferably, a threaded groove is arranged on the drill shank along the axial direction of the drill shank.

[0010] Preferably, the drill body comprises a main body arranged on the end face of the drill shank, at least one cutting blade and cutting block are arranged on the main body, and a positioning block is arranged in the middle of the main body end face.

[0011] Preferably, the main body, cutting blade, cutting block and positioning block are integrally formed.

[0012] Preferably, the positioning cover comprises a bearing arranged on the drill shank, a cover body is arranged on the bearing, the cover body can rotate freely with the bearing on the drill shank, a shaft sleeve for limiting the position of the bearing on the drill shank is arranged on the drill shank, the shaft sleeve is fixed on the drill shank through a limiting bolt, and the diameter of the drill shank becomes larger towards the drill body side.

[0013] (Three) technical effects to be achieved

[0014] Compared with the prior art, the drill has the beneficial effects that:

[0015] Firstly, the drill comprises a drill shank and a drill body arranged on the drill shank, and a clamping groove is arranged on the drill shank, the design is reasonable, the structure is simple, the connection with the external equipment is more firm, the risk of disconnection is avoided, the strength is better, and the use requirement is met.

[0016] Secondly, the drill shank comprises a reinforcing rod arranged on the drill body, a connecting rod is arranged on the reinforcing rod, a hexagonal rod is arranged on the connecting rod, at least one clamping groove is arranged on the hexagonal rod, the connecting rod and the hexagonal rod are connected through an arc segment, the diameter of the reinforcing rod is larger than that of the connecting rod, and the diameter of the connecting rod is larger than that of the hexagonal rod, the design is reasonable, the structure is simple, the production and manufacturing are facilitated, the installation with the external equipment is greatly improved, the installation is more firm, and the service life is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model.

[0018] Figure 2 It is a whole schematic view of the utility model.

[0019] Figure 3 It is a structural schematic view of the drill of the utility model.

[0020] Figure 4 It is a whole schematic view of the drill of the utility model.

[0021] Figure 5The utility model discloses a drill bit structure schematic diagram with screw groove.

[0022] Figure 6 The utility model discloses a drill bit structure schematic diagram with screw groove.

[0023] Figure 7 The utility model discloses a drill bit structure schematic diagram with screw groove.

[0024] Figure 8 The utility model discloses a drill bit structure schematic diagram with screw groove.

[0025] Figure 9 The utility model discloses a drill bit structure schematic diagram with screw groove.

[0026] Figure 10 The utility model discloses a drill bit structure schematic diagram with screw groove.

[0027] Figure 11 The utility model discloses a drill bit structure schematic diagram with screw groove.

[0028] Figure 12 The utility model discloses a drill bit structure schematic diagram with screw groove.

[0029] Figure 13 The utility model discloses a drill bit structure schematic diagram with screw groove.

[0030] Figure 14 The utility model discloses a drill bit structure schematic diagram with screw groove.

[0031] In the figure: 1, drill bit;2, positioning cover;11, drill handle;12, drill body;13, clamping groove;21, bearing;22, cover body;23, shaft sleeve;24, limit bolt;111, reinforcing rod;112, connecting rod;113, hexagonal rod;114, arc segment;121, main body;122, cutting blade;123, cutting block;124, positioning block. DETAILED DESCRIPTION

[0032] In the description of the utility model, need explanation, when the element is called " fixed in " or " set up in " another element, it can be directly on another element or indirectly on another element. When an element is called " connected to " another element, it can be directly connected to another element or indirectly connected to another element.

[0033] In the description of the utility model, it needs to explain, the term "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, or the orientation or positional relationship of the utility model product when it is usually placed, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, structure and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more features. In the description of the utility model, "a plurality of" means one or more than one, unless otherwise specifically limited.

[0034] In the description of the utility model, it also needs to explain that, unless otherwise specifically defined and limited, the terms "set", "install", "connect", "connect" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be a communication inside an element. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] In order to make the purpose, technical scheme and advantages of the utility model more clear and explicit, the utility model is further described in detail below through the drawings and examples. However, it should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0036] Example one: refer to Figure 1 and Figure 2A cover positioning drill includes a drill bit 1 and a positioning cover 2 arranged on the drill bit 1, the positioning cover 2 can rotate freely on the drill bit 1, the drill bit 1 includes a drill handle 11 and a drill body 12 arranged on the drill handle 11, the drill handle 11 is provided with a clamping groove 13 for connecting and clamping with external equipment, which is beneficial to better connection with external equipment and more firm connection, greatly improving the stability of the connection and reducing the disconnection phenomenon under the movement condition, and the clamping groove 13 is at least one, which is more reasonable for production and manufacturing, and is also beneficial to more firm connection with external equipment, greatly improving the stability of the connection and reducing the disconnection phenomenon under the movement condition. In the embodiment, the clamping groove 13 is one or two, as shown in Figure 7 , the two clamping grooves 13 are distributed along the axial direction of the drill handle 11, which is convenient to implement.

[0037] Embodiment two: based on embodiment one, as shown in Figure 2 , Figure 3 and Figure 4 , the drill handle 11 includes a reinforcing rod 111 arranged on the drill body 12, the reinforcing rod 111 is provided with a connecting rod 112, the connecting rod 112 is provided with a hexagonal rod 113, the hexagonal rod 113 can uniformly distribute force when bearing pressure and torque, thereby improving the stability and mechanical properties of the structure, which can better disperse pressure and make the hexagonal rod 113 better bear tensile force and shear force, greatly increasing the carrying capacity thereof, the hexagonal rod 113 is provided with at least one clamping groove 13, the connecting rod 112 and the hexagonal rod 113 are connected through an arc segment 114, which greatly improves the firmness of the structure, the diameter of the reinforcing rod 111 is greater than that of the connecting rod 112, and the diameter of the connecting rod 112 is greater than that of the hexagonal rod 113, which is reasonable for production and manufacturing and is also beneficial to installation with external equipment in the later use process. The hexagonal rod 113 can adopt a round handle, as shown in Figure 10 , which is various and has a large selection range. As shown in Figure 11 and Figure 13 , the hexagonal rod 113 has a large diameter or a small diameter, which is beneficial to strengthen firmness and improve service life. As shown in Figure 14 , the hexagonal rod 113 can be a smooth outer surface round pipe, which is various and has a large selection range.

[0038] Embodiment three: based on embodiment one or embodiment two, as shown in Figure 5 , Figure 6 and Figure 12 , the drill handle 11 is provided with a threaded groove in the axial direction of the drill handle 11, which is beneficial to connection with external equipment and has a large selection range.

[0039] Embodiment four: can be based on embodiment one or embodiment two or embodiment three, as shown in Figure 2 、 Figure 3 、 Figure 4 And Figure 5 As shown, the drill body 12 includes a main body 121 provided on the end face of the drill handle 11, and at least one cutting blade 122 and cutting block 123 are provided on the main body 121, and a positioning block 124 is provided in the middle of the end face of the main body 121, which is beneficial to positioning and more conducive to subsequent cutting and more conducive to meeting the use requirements. In this embodiment, the cutting blade 122 and the cutting block 123 are both one, as shown in Figure 8 And Figure 9 As shown, or the cutting blade 122 and the cutting block 123 are both three, the types are various, the selection is large, and the use requirements can be met. Further, the main body 121, the cutting blade 122, the cutting block 123 and the positioning block 124 are integrally formed, which greatly improves the structural firmness, and the main body 121, the cutting blade 122 and the cutting block 123 can be integrally formed by welding, which is convenient to implement.

[0040] Embodiment five: can be based on embodiment one or embodiment two or embodiment three or embodiment four, as shown in Figure 2 As shown, the positioning cover 2 includes a bearing 21 provided on the drill handle 11, and a cover body 22 is provided on the bearing 21, the cover body 22 can rotate freely with the bearing 21 on the drill handle 11, and the drill handle 11 is provided with a shaft sleeve 23 for limiting the position of the bearing 21 on the drill handle 11, the shaft sleeve 23 is fixed on the drill handle 11 by a limiting bolt 24, the diameter of the drill handle 11 is larger on the side of the drill body 12, so that the cover body 22 can be withdrawn from the drill handle 11 away from the drill body 12 with the bearing 21, which is convenient for installation, and when the shaft sleeve 23 is fixed at different positions on the drill handle 11, the axial movement distance on the drill handle 11 is different, which can be adjusted according to the requirements, and is beneficial to meet the use requirements.

[0041] The standard parts used in the present application can be purchased from the market, and the specific connection mode of each part adopts the conventional means such as bolt and rivet in the prior art, which will not be described in detail here.

[0042] It should be noted that although the above embodiments have been described in the present text, the patent protection scope of the present utility model is not limited thereby. Therefore, based on the innovative concept of the present utility model, the changes and modifications of the embodiments described in the present text, or the equivalent structure or equivalent process transformation made by using the contents of the present utility model specification and drawings, directly or indirectly, the above technical solutions are applied to other related technical fields, which are all included in the protection scope of the patent of the present utility model.

Claims

1. A pilot drill with a cap, comprising a drill head (1) and a pilot cap (2) arranged on the drill head (1), the pilot cap (2) being freely rotatable on the drill head (1), characterized in that: The drill bit (1) comprises a drill shank (11) and a drill body (12) arranged on the drill shank (11), the drill shank (11) is provided with a clamping groove (13), and the clamping groove (13) is at least one.

2. The indexed drill with a shield according to claim 1, characterized in that: The drill shank (11) comprises a reinforcing rod (111) arranged on the drill body (12), the reinforcing rod (111) is provided with a connecting rod (112), the connecting rod (112) is provided with a hexagonal rod (113), the hexagonal rod (113) is provided with at least one clamping groove (13), the connecting rod (112) and the hexagonal rod (113) are connected through an arc segment (114), the diameter of the reinforcing rod (111) is greater than the diameter of the connecting rod (112), and the diameter of the connecting rod (112) is greater than the diameter of the hexagonal rod (113).

3. The covered positioning drill according to claim 1 or 2, characterized in that: The drill shank (11) is provided with a threaded groove in the axial direction of the drill shank (11).

4. The covered positioning drill according to claim 1 or 2, characterized in that: The drill body (12) comprises a main body (121) arranged on the end face of the drill shank (11), the main body (121) is provided with at least one cutting blade (122) and cutting block (123), and the middle of the end face of the main body (121) is provided with a positioning block (124).

5. The guided drill of claim 4 wherein: The main body (121), the cutting blade (122), the cutting block (123) and the positioning block (124) are integrally formed.

6. The covered positioning drill according to claim 1 or 2 or 5, characterized in that: The positioning cover (2) comprises a bearing (21) arranged on the drill shank (11), the bearing (21) is provided with a cover body (22), the cover body (22) can freely rotate with the bearing (21) on the drill shank (11), the drill shank (11) is provided with a shaft sleeve (23) for limiting the position of the bearing (21) on the drill shank (11), the shaft sleeve (23) is fixed on the drill shank (11) through a limiting bolt (24), and the diameter of the drill shank (11) becomes larger and larger towards the drill body (12).

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