Hole opener convenient to position

Abstract

The utility model relates to the technology of electric tool accessories, and particularly discloses a tapper convenient to position, which comprises a punching drill bit, a rotating handle is arranged in the punching drill bit, a connecting arm is arranged on one side of the rotating handle, a convex part is arranged on the surface of the connecting arm, a positioning part is arranged on one side of the connecting arm, and the positioning part is arranged on the other side of the connecting arm. The surface of the punching drill bit is sleeved with a limiting adjusting assembly, and a positioning adjusting assembly is arranged on one side of the positioning part. The structure of an existing tapper is improved, the limiting structure can be adjusted according to the thickness of a plate, adjustment of the length of the positioning part and replacement of the positioning part are achieved by optimizing the structure of the positioning part, the tapper is reasonable in structural arrangement and complete in function, the technical defects of the existing tapper are overcome, and the tapper has the advantages of being good in limiting effect, high in practicability and the like. And the positioning part can be adjusted and replaced as required, so that the device is suitable for wide popularization and application.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric tool accessory technical field, specifically point to a kind of hole opener convenient to position. BACKGROUND

[0002] With the development of science and technology, the hole opener convenient to position has extremely important position in drilling operation, using the hole opener convenient to position can quickly and accurately position drilling position, avoid wasting time and material resources, significantly improve work efficiency, ensure drilling quality, through accurate positioning, can ensure that drilling maintains accurate direction and stability, avoid the situation that drilling deviates or different angles, to improve drilling quality, reduce work difficulty, using the hole opener convenient to position can avoid the increase of work difficulty due to improper operation, to achieve better work effect.

[0003] Although the existing hole opener can limit the hole drill bit by the limiting portion when in use, the limiting portion is rigidly fixed, and the positioning effect is greatly reduced when the positioning length needs to be adjusted. In addition, when the positioning portion of the existing hole opener is positioned on a hard material, the positioning portion is easily damaged if a positioning portion with low rigidity is used, and when the positioning portion is positioned on a soft material, the positioning portion with high rigidity is likely to cause damage to the material. Therefore, the positioning portion needs to be selected according to the difference in hole drilling materials. The positioning portion of the existing hole opener cannot meet the demand of replacing the positioning portion. SUMMARY

[0004] The utility model aims at providing a hole opener convenient to position, which has good limiting effect and a positioning portion that can be adjusted and replaced as needed.

[0005] The utility model realizes the following technical scheme: a hole opener convenient to position, comprising a punch drill bit, a rotating handle is arranged inside the punch drill bit, a connecting arm is arranged on one side of the rotating handle, a convex portion is arranged on the surface of the connecting arm, a positioning portion is arranged on one side of the connecting arm, a limiting adjustment assembly is sleeved on the surface of the punch drill bit, and a positioning adjustment assembly is arranged on one side of the positioning portion.

[0006] In order to better realize the utility model, further, the limiting adjustment assembly comprises a limiting ring, a limiting groove, a limiting bolt, a fixed block, an adjusting block, a threaded hole and a positioning groove, the limiting ring is sleeved on the surface of the punch drill bit, the limiting groove is arranged inside the limiting ring, the adjusting block is arranged inside the limiting groove, the positioning groove is arranged on the top surface of the adjusting block, the threaded hole is arranged on the inner surface of the positioning groove, the fixed block is arranged on one side of the threaded hole, and the limiting bolt is arranged on the top of the fixed block.

[0007] In order to better realize the utility model, further, the limiting bolt and the fixed block contact place is provided with a gasket.

[0008] In order to better realize the utility model, further, the positioning adjusting assembly is provided with an inner threaded pipe, a through hole, a fixed screw, an outer threaded pipe, a groove and a fixed hole, one side of the handle is provided with the inner threaded pipe, the inner threaded pipe is provided with the outer threaded pipe inside, one side surface of the outer threaded pipe is provided with the groove, the surface of the groove is provided with the fixed hole, one side surface of the inner threaded pipe is provided with the through hole, and the through hole is provided with the fixed screw inside.

[0009] In order to better realize the utility model, further, the outer wall of the outer threaded pipe is provided with threads, and the inner wall of the inner threaded pipe is provided with threads.

[0010] In order to better realize the utility model, further, the through hole is provided with a sliding block inside.

[0011] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0012] (1) the utility model discloses a limiting adjusting assembly, which can adjust the position of the limiting ring according to the thickness of the plate during the hole drilling operation of the hole driller, so that the hole driller can drill holes of different depths in the plate, and the application range of the hole driller is expanded.

[0013] (2) the utility model discloses a positioning adjusting assembly, which can adjust the length of the positioning part, avoid unnecessary damage to the bottom plate or desktop, and adjust the hole drilling degree of the plate inside the hole core through the positioning part, avoid waste of the plate, and enhance the practicability.

[0014] (3) the utility model improves the structure of the existing hole driller, can adjust the limiting structure according to the thickness of the plate, and realizes the adjustment of the length of the positioning part and the replacement of the positioning part through the optimization of the structure of the positioning part, the structure is reasonable, the function is perfect, the technical defects of the existing hole driller are solved, the hole driller has the characteristics of good limiting effect, the positioning part can be adjusted and replaced according to needs, and the practicability is strong, and is suitable for wide application and promotion. BRIEF DESCRIPTION OF DRAWINGS

[0015] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of the non-limiting embodiments with reference to the accompanying drawings:

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2It is the split structure schematic view of the limiting adjusting assembly in the utility model.

[0018] Figure 3 It is the layout structure enlarged schematic view of the limiting adjusting assembly in the utility model.

[0019] Figure 4 It is the split structure schematic view of the positioning adjusting assembly in the utility model.

[0020] Wherein: 1 - drill bit, 2 - handle, 3 - limiting adjusting assembly, 31 - limiting ring, 32 - limiting groove, 33 - limiting bolt, 34 - fixed block, 35 - adjusting block, 36 - threaded hole, 37 - positioning groove, 4 - connecting arm, 5 - convex part, 6 - positioning part, 7 - positioning adjusting assembly, 71 - internal thread pipe, 72 - through hole, 73 - fixing screw, 74 - external thread pipe, 75 - groove, 76 - fixing hole. DETAILED DESCRIPTION

[0021] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0022] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the indicated device or element to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0023] In the description of the utility model, it is understood that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. 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.

[0024] Example 1:

[0025] The main structure of the embodiment is as follows: Figure 1As shown, including punch drill bit 1, the inside of the punch drill bit 1 is provided with a handle 2, one side of the handle 2 is provided with a connecting arm 4, the surface of the connecting arm 4 is provided with a convex part 5, one side of the connecting arm 4 is provided with a positioning part 6, the surface of the punch drill bit 1 is sleeved with a limiting adjusting assembly 3, one side of the positioning part 6 is provided with a positioning adjusting assembly 7.

[0026] Specific use process is, the handle 2 is connected with motor, the punch drill bit 1 is driven by the handle 2 to rotate around the shaft and move axially at the same time, so as to realize the hole opening. The handle 2 is fixedly connected with the connecting arm 4, so as to realize the stable connection of the handle 2 and the punch drill bit 1. The hole opener can realize the hole opening operation of different depths on the plate through the limiting adjusting assembly 3, thereby expanding the application range of the hole opener. By setting the positioning adjusting assembly 7, the corresponding positioning part 6 can be replaced according to the material of the plate, so as to avoid damaging the positioning part 6 and reducing the security risk. Then the length of the positioning part 6 is adjusted through the positioning adjusting assembly 7, and after being adjusted to the appropriate length, the positioning part 6 is further fixed through the positioning adjusting assembly 7 to prevent loosening during hole opening. This process avoids unnecessary damage to the bottom plate or desktop caused by the positioning part 6 being too long, and also reduces the hole opening of the hole core plate, so that the hole core plate can be reused, thereby enhancing the practicability.

[0027] Embodiment 2:

[0028] This embodiment is further limited to the structure of the limiting adjusting assembly 3 on the basis of the above-mentioned embodiments, such as Figure 2 , Figure 3As shown in the figure, the position-limiting adjusting assembly 3 comprises a position-limiting ring 31, a position-limiting groove 32, a position-limiting bolt 33, a fixing block 34, an adjusting block 35, a threaded hole 36 and a positioning groove 37. The surface of the hole drill 1 is sleeved with the position-limiting ring 31. The inside of the position-limiting ring 31 is provided with the position-limiting groove 32. The inside of the position-limiting groove 32 is provided with the adjusting block 35. The top surface of the adjusting block 35 is provided with the positioning groove 37. The inside surface of the positioning groove 37 is provided with the threaded hole 36. One side of the threaded hole 36 is provided with the fixing block 34. The top of the fixing block 34 is provided with the position-limiting bolt 33. By adopting the above technical scheme, when the position-limiting adjusting assembly 3 is used, first, the position of the position-limiting ring 31 is adjusted according to the thickness of the hole plate. When the position of the position-limiting ring 31 is adjusted, the position of the fixing block 34 on the surface of the adjusting block 35 is adjusted by the position-limiting bolt 33. The fixing block 34 is limited by the position-limiting bolt 33, and the position-limiting ring 31 is further limited by the fixing block 34. Thus, the position of the position-limiting ring 31 can be adjusted according to different thicknesses of the hole plate. The hole drill can perform hole drilling of different depths on the hole plate, thereby expanding the application range of the hole drill. The other parts of the embodiment are the same as those of the above-mentioned embodiments, and will not be described herein.

[0029] Embodiment 3

[0030] On the basis of the above-mentioned embodiments, the structure of the position-limiting adjusting assembly 3 is further limited, as shown in the figure Figure 2 , Figure 3 The position-limiting bolt 33 and the fixing block 34 are provided with a gasket at the contact position. By adopting the above technical scheme, when the fixing block 34 is limited by the position-limiting bolt 33, the gasket can prevent loosening between the position-limiting bolt 33 and the fixing block 34, thereby ensuring the stability of the connection. The other parts of the embodiment are the same as those of the above-mentioned embodiments, and will not be described herein.

[0031] Embodiment 4

[0032] On the basis of the above-mentioned embodiments, the structure of the position-limiting adjusting assembly 3 is further limited, as shown in the figure Figure 4As shown, the positioning adjusting assembly 7 is provided with an inner threaded tube 71, a through hole 72, a fixing screw 73, an outer threaded tube 74, a groove 75 and a fixing hole 76, one side of the handle 2 is provided with the inner threaded tube 71, the inner threaded tube 71 is internally provided with the outer threaded tube 74, one side surface of the outer threaded tube 74 is provided with the groove 75, the surface of the groove 75 is provided with the fixing hole 76, one side surface of the inner threaded tube 71 is provided with the through hole 72, the through hole 72 is internally provided with the fixing screw 73. When the positioning adjusting assembly 7 is used, firstly, the corresponding positioning part 6 is replaced according to the material of the plate to avoid damaging the positioning part 6 and reduce the security risk, then the outer threaded tube 74 is rotationally connected with the inner threaded tube 71 to adjust the length of the positioning part 6, after the length is adjusted to the appropriate length, the through hole 72 is aligned with the fixing hole 76, and the fixing screw 73 is further used to fix the positioning part 6 to prevent loosening during the hole opening, and the process avoids unnecessary damage to the bottom plate or the tabletop due to the excessive length of the positioning part 6, and also reduces the hole opening of the hole core plate, so that the hole core plate can be reused, and the practicability is enhanced. The other parts of the embodiment are the same as those of the above-mentioned embodiment, and will not be described herein.

[0033] Embodiment 5:

[0034] In the above embodiment, the structure of the positioning adjusting assembly 7 is further limited, as shown in the figure, Figure 4 The outer wall of the outer threaded tube 74 is provided with threads, and the inner wall of the inner threaded tube 71 is provided with threads. By adopting the above technical scheme, when the length of the positioning part 6 is adjusted, the threads on the outer wall of the outer threaded tube 74 are rotationally connected with the threads on the inner wall of the inner threaded tube 71, so as to ensure the stability of the length adjustment. The other parts of the embodiment are the same as those of the above-mentioned embodiment, and will not be described herein.

[0035] Embodiment 6:

[0036] In the above embodiment, the structure of the positioning adjusting assembly 7 is further limited, as shown in the figure, Figure 4 The inner part of the through hole 72 is provided with a sliding block. By adopting the above technical scheme, when the positioning part 6 is fixed by the fixing screw 73, the sliding block can prevent the fixing screw 73 from falling off from the inner part of the through hole 72, and the stability is improved. The other parts of the embodiment are the same as those of the above-mentioned embodiment, and will not be described herein.

[0037] It can be understood that the working principle and working process of the structure of the hole opener according to one embodiment of the present application, such as the punch drill bit 1, the handle 2, the connecting arm 4 and the convex part 5, are all prior art and are well known to those skilled in the art, and will not be described in detail here.

[0038] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A hole opener for facilitating positioning, characterized in that The application relates to a punch drill bit (1) provided with a handle (2) in the interior of the punch drill bit (1), a connecting arm (4) arranged on one side of the handle (2), a convex part (5) arranged on the surface of the connecting arm (4), a positioning part (6) arranged on one side of the connecting arm (4), a limiting and adjusting assembly (3) sleeved on the surface of the punch drill bit (1), and a positioning and adjusting assembly (7) arranged on one side of the positioning part (6).

2. A hole opener for facilitating positioning according to claim 1, characterized in that The limiting and adjusting assembly (3) comprises a limiting ring (31), a limiting groove (32), a limiting bolt (33), a fixed block (34), an adjusting block (35), a threaded hole (36) and a positioning groove (37), the limiting ring (31) is sleeved on the surface of the punch drill bit (1), the limiting ring (31) is provided with the limiting groove (32) in the interior, the limiting groove (32) is provided with the adjusting block (35) in the interior, the top surface of the adjusting block (35) is provided with the positioning groove (37), the interior surface of the positioning groove (37) is provided with the threaded hole (36), one side of the threaded hole (36) is provided with the fixed block (34), and the top of the fixed block (34) is provided with the limiting bolt (33).

3. A hole opener for facilitating positioning according to claim 2, wherein The limiting bolt (33) is provided with a gasket at the contact position with the fixed block (34).

4. A hole opener for facilitating positioning according to claim 1, wherein The positioning and adjusting assembly (7) comprises an inner threaded pipe (71), a through hole (72), a fixing screw (73), an outer threaded pipe (74), a groove (75) and a fixing hole (76), one side of the handle (2) is provided with the inner threaded pipe (71), the inner threaded pipe (71) is provided with the outer threaded pipe (74) in the interior, one side surface of the outer threaded pipe (74) is provided with the groove (75), the surface of the groove (75) is provided with the fixing hole (76), one side surface of the inner threaded pipe (71) is provided with the through hole (72), and the through hole (72) is provided with the fixing screw (73) in the interior.

5. A hole opener for facilitating positioning according to claim 4, wherein The outer wall of the outer threaded pipe (74) is provided with threads, and the inner wall of the inner threaded pipe (71) is provided with threads.

6. A hole opener for facilitating positioning according to claim 4, wherein The through hole (72) is provided with a sliding block in the interior.

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