CN210147066U

CN210147066U - Guiding device for drilling of hand drill

Info

Publication number: CN210147066U
Application number: CN201921049315.XU
Authority: CN
Inventors: 高岩松; 周广勇
Original assignee: Beijing Zhongtan Ecological Garden Engineering Co Ltd
Current assignee: Beijing Zhongtan Ecological Garden Engineering Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-03-17
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a guide device for drilling by a hand drill, which relates to the technical field of construction appliances and comprises a handle, wherein the handle is provided with a holding section for holding, and two ends of the holding section, which are deviated from each other, are respectively provided with a lug which extends towards the same side; the top of handle is connected with support piece, and support piece is connected with the guide bar of two parallels, and the length direction of guide bar is parallel with the projecting direction of lug, and two guide bar sliding connection have the centre gripping subassembly that can the centre gripping hand drill. The utility model discloses have the effect that can keep the drilling angle at the in-process of holding hand drill drilling.

Description

Guiding device for drilling of hand drill

Technical Field

The utility model belongs to the technical field of the technique of construction utensil and specifically relates to a guider that hand drill punched.

Background

Hand drills are tools that are often used during construction. Since such a drilling tool is operated by hand, it is often the case that the drilling tool is not held stably during drilling to cause the drill hole to be deviated. And in case the drill bit is in a single day the deviation can make the hole take place to warp at first, influences the completion effect of driling, and the dead phenomenon of drill bit card still can lead to the drill bit fracture when serious simultaneously hand drill, not only causes equipment damage, has danger moreover to the people.

Therefore, when the hand drill is used for construction, the angle of the drilled hole needs to be maintained in the drilling process, and therefore, the completion effect of the drilled hole is difficult to ensure for inexperienced operators.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a guider that hand drill punched, it has the effect that can keep drilling angle at the in-process that holds hand drill drilling.

The above object of the present invention can be achieved by the following technical solutions:

a guide device for drilling holes on a hand drill comprises a handle, wherein the handle is provided with a hand-holding section for holding, and two ends of the hand-holding section, which are deviated from each other, are respectively provided with a convex block extending towards the same side; the top of handle is connected with support piece, and support piece is connected with the guide bar of two parallels, and the length direction of guide bar is parallel with the projecting direction of lug, and two guide bar sliding connection have the centre gripping subassembly that can the centre gripping hand drill.

By adopting the technical scheme, when a worker holds the drill bit to drill, the handle is held by the hand and the convex block is propped against the wall body. And further, the hand drill is clamped by the clamping assembly and is moved along the guide rod, so that the drill bit of the hand drill can keep the drilling angle unchanged during drilling.

The utility model discloses further set up to: the support piece is rotatably connected with the handle, and a locking structure for fixing the relative angle of the handle and the support piece is further arranged between the handle and the support piece.

Through adopting above-mentioned technical scheme, can realize the drill bit for the different drilling angle of wall body.

The utility model discloses further set up to: the locking structure comprises a screw fixed on the supporting piece and a locking nut matched with the screw, a first circular plate is arranged at the top end of the handle, the normal direction of the first circular plate is perpendicular to the protruding direction of the bump, the first circular plate is provided with a sector annular limiting through hole, and the circle of the limiting through hole is positioned on the rotating axis of the supporting piece and the handle; the screw rod is fixedly connected with the supporting piece and penetrates through the limiting through hole, and the locking nut is located on one side, away from the supporting piece, of the first circular plate.

By adopting the technical scheme, the relative rotation of the second circular plate and the first circular plate in a certain range is realized, and the relative angle between the second circular plate and the first circular plate can be fixed.

The utility model discloses further set up to: the edge of the first circular plate is provided with scale marks for displaying angles, and the supporting piece is provided with an arrow pointing to the scale marks.

Through adopting above-mentioned technical scheme, when needs and wall body be certain angle drilling, can be according to the scale regulation relative angle between first plectane and the second plectane of arrow point instruction.

The utility model discloses further set up to: the locking nut comprises a nut body and two shifting pieces which are convenient for shifting the locking nut to rotate.

Through adopting above-mentioned technical scheme, just with the direct hand rotation lock nut of workman, need not be with the help of the instrument.

The utility model discloses further set up to: the two guide rods are detachably connected with the supporting piece.

Through adopting above-mentioned technical scheme, be convenient for arrange in order, carry guide bar and handle.

The utility model discloses further set up to: the support piece is provided with a mounting hole, and the mounting hole is in threaded connection with the guide rod.

Through adopting above-mentioned technical scheme, the installation direction case can be between twist the guide bar in the mounting hole soon, simple structure, convenient operation.

The utility model discloses further set up to: the clamping assembly comprises a base part and three jackscrews, the base part is in a fan ring shape with an angle of more than 180 degrees, and the base part is provided with a sliding hole in sliding connection with the guide rod; three terminal wires are connected with the basic member and extend out towards the center of the basic member, and the included angle between the adjacent terminal wires exceeds 90 degrees.

Through adopting above-mentioned technical scheme, make the hand drill of centre gripping subassembly can the centre gripping different specifications.

To sum up, the utility model discloses a beneficial technological effect does:

when a worker holds the drill bit to drill a hole, the handle is held by the hand and the lug is abutted against the wall. And further, the hand drill is clamped by the clamping assembly and is moved along the guide rod, so that the drill bit of the hand drill can keep the drilling angle unchanged during drilling.

Drawings

FIG. 1 is a schematic view of a pilot assembly for drilling holes in a hand drill;

fig. 2 is a partial exploded view of a pilot assembly for hand drill drilling.

In the figure, 1, a hand drill; 2. a handle; 21. a hand-held section; 22. a bump; 23. a first circular plate; 231. a shaft hole; 232. a limiting through hole; 233. scale lines; 3. a support member; 31. a vertical plate; 32. a second circular plate; 321. a rotating shaft; 322. a screw; 323. an arrow; 33. reinforcing ribs; 4. a guide bar; 5. a clamping assembly; 51. a base member; 52. carrying out top thread; 6. locking the nut; 61. a nut body; 62. a shifting sheet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the utility model discloses a guiding device for drilling of a hand drill 1, which comprises a handle 2 which is a cylinder and is vertically arranged. The handle 2 comprises a hand-holding section 21 held by hands, and two ends of the hand-holding section 21 are respectively provided with a convex block 22 horizontally extending towards the same side, and the convex blocks 22 are cylindrical. A first circular plate 23 is provided at the tip of the handle 2, and the center normal of the first circular plate 23 coincides with the axis of the handle 2. The first circular plate 23, the handle 2 and the projection 22 are integrally injection molded.

Above the handle 2 is provided a support 3, which support 3 comprises a second circular plate 32 parallel to the first circular plate 23 and coinciding with the radius of the first circular plate 23. A vertical plate 31 is vertically arranged at the top end of the second circular plate 32, the vertical plate 31 is an inverted isosceles trapezoid, and an avoidance opening is formed at the top end of the vertical plate 31. A rib 33 is provided between the vertical plate 31 and the second disk 32, and the vertical plate 31, the second disk 32, and the rib 33 are integrally injection-molded.

A rotating shaft 321 extending vertically downward is integrally formed on the lower surface of the second circular plate 32, and a shaft hole 231 into which the rotating shaft 321 extends and rotates is formed in the center of the upper surface of the first circular plate 23. A vertical screw 322 is integrally formed on the bottom surface of the second circular plate 32. The first circular plate 23 is provided with a limit through hole 232 which is in a fan ring shape and through which the screw 322 can pass. A locking nut 6 adapted to the screw 322 is further arranged on the side of the first circular plate 23 facing away from the second circular plate 32. The lock nut 6 comprises a nut body 61 and two shifting pieces 62 which are welded and fixed on the nut body 61 and are convenient for shifting the nut body 61 to rotate. The lock nut 6 is screwed to the screw 322 to clamp the first circular plate 23 and the second circular plate 32 and to restrict the relative rotation of the first circular plate 23 and the second circular plate 32. An arrow 323 is integrally provided on the edge of the second circular plate 32, a scale 233 capable of indicating an angle is integrally provided on the edge of the first circular plate 23, and the arrow 323 indicates a numerical value on the scale 233.

When the first circular plate 23 and the second circular plate 32 are attached to each other and the rotating shaft 321 is inserted into the shaft hole 231, the second circular plate 32 can rotate relative to the first circular plate 23, and the rotating angle of the second circular plate 32 can be known from the position of the arrow 323. The zero scale of the scale line 233 is located at its center, and when the arrow 323 points to the zero scale, the normal direction of the riser 31 is parallel to the axial direction of the boss 22.

Two parallel guide rods 4 are connected to the vertical plate 31, and when the arrow 323 points to the zero scale, the guide rods 4 are parallel to the axial direction of the projection 22. Two mounting holes are formed in the vertical plate 31, and the guide rod 4 is in threaded connection with the mounting holes.

The guide rod 4 is also slidably connected with a clamping assembly 5. The clamping assembly 5 comprises a base member 51 and three jackscrews 52. The base member 51 has a fan-like shape over 180 °, and three terminal wires 52 are projected toward the center of the base member 51. The included angle between two adjacent jackscrews 52 exceeds 90 deg.. The jackscrew 52 is a shoe-shaped bolt. Two slide holes slidably connected to the guide rods 4 are formed in the base member 51. After the three jackscrews 52 clamp the hand drill 1, a person can hold the hand drill 1 and move along the guide rods 4, the drill bit of the hand drill 1 is positioned between the two guide rods 4, and the drill bit of the hand drill 1 can pass through the avoidance hole. The specific working principle of this embodiment is as follows:

the embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a guider that hand drill punched which characterized in that: comprises a handle (2), the handle (2) is provided with a hand-holding section (21) for holding, and two ends of the hand-holding section (21) which are deviated from each other are respectively provided with a convex block (22) which extends towards the same side; the top end of the handle (2) is connected with a supporting piece (3), the supporting piece (3) is connected with two parallel guide rods (4), the length direction of each guide rod (4) is parallel to the protruding direction of the corresponding bump (22), and the two guide rods (4) are connected with a clamping assembly (5) capable of clamping the hand drill (1) in a sliding mode.

2. The drill guide of claim 1, wherein: the support piece (3) is rotationally connected with the handle (2), and a locking structure for fixing the relative angle of the handle (2) and the support piece (3) is further arranged between the handle (2) and the support piece.

3. The drill guide of claim 2, wherein: the locking structure comprises a screw rod (322) fixed on the supporting piece (3) and a locking nut (6) matched with the screw rod (322), a first circular plate (23) is arranged at the top end of the handle (2), the normal direction of the first circular plate (23) is perpendicular to the protruding direction of the bump (22), a fan-ring-shaped limiting through hole (232) is formed in the first circular plate (23), and the circle of the limiting through hole (232) is located on the rotating axis of the supporting piece (3) and the handle (2); screw rod (322) and support piece (3) fixed connection and run through spacing through-hole (232), and lock nut (6) are located one side that first plectane (23) deviates from support piece (3).

4. The drill guide of claim 3, wherein: the edge of the first circular plate (23) is provided with scale marks (233) for displaying angles, and the support piece (3) is provided with an arrow (323) pointing to the scale marks (233).

5. The drill guide of claim 4, wherein: the locking nut (6) comprises a nut body (61) and two shifting pieces (62) which are convenient for shifting the locking nut (6) to rotate.

6. The drill guide of claim 1, wherein: the two guide rods (4) are detachably connected with the supporting piece (3).

7. The drill guide of claim 6, wherein: the support piece (3) is provided with a mounting hole, and the mounting hole is in threaded connection with the guide rod (4).

8. The drill guide of claim 1, wherein: the clamping assembly (5) comprises a base part (51) and three jackscrews (52), the base part (51) is in a sector ring shape exceeding 180 degrees, and the base part (51) is provided with a sliding hole in sliding connection with the guide rod (4); three terminal wires (52) are connected with the base member (51) and extend out to the center of the base member (51), and the included angle between the adjacent terminal wires (52) exceeds 90 degrees.