CN218964135U - Combined ladder drill - Google Patents

Abstract

The utility model provides a combined ladder drill, which comprises a ladder drill body, wherein a square block is arranged in the ladder drill body, the top of the square block is fixedly connected with a mounting plate, the inner threads of the mounting plate are connected with four first inner hexagon bolts, the outer side of the square block is provided with an inner groove square block in the ladder drill body, sliding grooves are formed in the inner side of the ladder drill body and at the two sides of the inner groove square block, the inner walls of the two sliding grooves are in sliding connection with a sliding block, one side of the sliding block is fixedly connected with an angle block, and one side of the sliding block, which is far away from the angle block, is fixedly connected with a spring.

Description

Combined ladder drill

Technical Field

The utility model relates to the technical field of step drills, in particular to a combined step drill.

Background

The step drill is also called a step drill or a pagoda drill, is mainly used for drilling and processing thin steel plates within 3mm, can replace a plurality of drill bits to be used, processes holes with different diameters according to requirements, can realize one-time processing of large holes, and does not need to replace drill bits, drill positioning holes and the like.

The ladder drill can cause certain damage under long-term work, and current ladder drill is inconvenient to dismantle the change to damaging the position, not only brings inconvenience for staff's use, very big waste of having caused the resource and loss of property moreover.

Disclosure of Invention

The utility model aims to solve the problems that the conventional step drill can cause certain damage under long-term work, and the conventional step drill is inconvenient to detach and replace damaged parts, so that inconvenience is brought to the use of staff, and the waste of resources and the property loss are greatly caused.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a combination formula ladder bores, includes the ladder bores the body, the inside of ladder bores the body is equipped with square block, square block's top fixedly connected with mounting panel, the inside threaded connection of mounting panel has four first hexagon socket head cap bolts, square block's the outside and be located the ladder and bore this internal inside groove square block that is equipped with, the inside of ladder bores the body and be located the both sides of inside groove square block and have seted up the spout, two the inner wall sliding connection of spout has the slider, one side fixedly connected with hornblock of slider, one side fixedly connected with spring of hornblock is kept away from to the slider, the inside threaded connection of slider has second hexagon socket head cap bolts, second hexagon socket head cap bolts all with square block and the square block threaded connection of inside groove.

As a preferred embodiment, the mounting plate is square in shape.

The technical effect of adopting the further scheme is as follows: can play a role in position limitation.

As a preferred implementation mode, the top of mounting panel fixedly connected with installation piece, two screw holes have been seted up to the inside of installation piece.

The technical effect of adopting the further scheme is as follows: is convenient to install and use.

As a preferred embodiment, a dust plate is fixedly connected to the outer side of the mounting block.

The technical effect of adopting the further scheme is as follows: can keep off the dirt when using, prevent that the dust from getting into in the mounting hole.

As a preferable implementation mode, the bottom of the inner groove square block is fixedly connected with a twist drill.

The technical effect of adopting the further scheme is as follows: can play a role in heat dissipation and wear resistance.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the ladder drill body, the square block, the first inner hexagon bolt, the inner groove square block, the sliding groove, the sliding block, the corner block and the second inner hexagon bolt are arranged, so that the ladder drill can be conveniently disassembled and combined, convenience can be provided for workers, and damaged parts can be replaced when the ladder drill is damaged, and further the waste of resources and property loss are reduced.

Drawings

FIG. 1 is a front view of a combination step drill according to the present utility model;

FIG. 2 is a schematic view of the internal structure of a combination step drill according to the present utility model;

FIG. 3 is a schematic perspective view of a dust plate of a combination step drill according to the present utility model;

FIG. 4 is a schematic perspective view of an inner groove square block and twist drill of a combination step drill according to the present utility model;

fig. 5 is an enlarged view of a portion a of a combination step drill according to the present utility model.

Legend description: 1. a step drill body; 2. a mounting plate; 3. square blocks; 4. a first socket head cap screw; 5. a mounting block; 6. a threaded hole; 7. a dust-blocking plate; 8. an inner groove square block; 9. twist drill; 10. a chute; 11. a slide block; 12. a spring; 13. a second socket head cap screw; 14. and (5) corner blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1, 2, 3, 4 and 5, the present utility model provides a technical solution: the utility model provides a combination formula ladder bores, including ladder bores body 1, ladder bores the inside of body 1 and is equipped with square piece 3, square piece 3's top fixedly connected with mounting panel 2, mounting panel 2's inside threaded connection has four first hexagon socket head cap bolts 4, square piece 3's the outside and be located ladder bores the body 1 and be equipped with inside groove square piece 8, ladder bores the inside of body 1 and be located inside groove square piece 8's both sides and seted up spout 10, two spout 10's inner wall sliding connection has slider 11, slider 11's one side fixedly connected with hornblock 14, slider 11 keeps away from one side fixedly connected with spring 12 of hornblock 14, slider 11's inside threaded connection has second hexagon socket head cap bolts 13, second hexagon socket head cap bolts 13 all with square piece 3 and inside groove square piece 8 threaded connection.

In this embodiment, the step drill body 1, the square block 3, the first socket head cap screw 4, the inner groove square block 8, the chute 10, the slide block 11, the corner block 14 and the second socket head cap screw 13 are provided, so that the step drill can be conveniently disassembled and assembled, convenience can be provided for the use of staff, and damaged parts can be replaced when the step drill is damaged, thereby reducing the waste of resources and property loss.

Example 2

As shown in fig. 1, 2, 3, 4 and 5, the mounting plate 2 has a square shape.

In the present embodiment, a position defining function can be performed.

Example 3

As shown in fig. 1, 2, 3, 4 and 5, the top of the mounting plate 2 is fixedly connected with a mounting block 5, and two threaded holes 6 are formed in the mounting block 5.

In this embodiment, the top of the mounting plate 2 is fixedly connected with a mounting block 5, and two threaded holes 6 are formed in the mounting block 5.

Example 4

As shown in fig. 1, 2, 3, 4 and 5, a dust plate 7 is fixedly connected to the outer side of the mounting block 5.

In this embodiment, dust blocking can be performed when in use, preventing dust from entering the mounting hole.

Example 5

As shown in fig. 1, 2, 3, 4 and 5, a twist drill 9 is fixedly connected to the bottom of the inner groove square block 8.

In this embodiment, the heat dissipation and wear resistance functions.

Working principle:

as shown in fig. 1, 2, 3, 4 and 5, when the step drill body 1 or the twist drill 9 needs to be replaced, four first socket head cap bolts 4 are rotated and taken out, then two second socket head cap bolts 13 are rotated to be separated from the square block 3 and the inner groove square block 8, then the sliding block 11 is pulled to slide in the sliding groove 10, the second socket head cap screw 13 has no threaded connection with the chute 10, the sliding block 11 compresses the spring 12 when moving, and then the utility model can be separated to replace the damaged part, and the disassembly operation is performed reversely after the replacement is completed, the installation can be realized through the two threaded holes 6 in the installation block 5, and the dust blocking can be performed when the utility model is used through the dust blocking plate 7.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (5)

1. A combined step drill, comprising a step drill body (1), characterized in that: the inside of ladder brill body (1) is equipped with square block (3), the top fixedly connected with mounting panel (2) of square block (3), the inside threaded connection of mounting panel (2) has four first hexagon socket head cap bolts (4), the outside of square block (3) just is located ladder brill body (1) and is equipped with inside groove square block (8), spout (10) have been seted up in the inside of ladder brill body (1) and the both sides that are located inside groove square block (8), two inner wall sliding connection of spout (10) has slider (11), one side fixedly connected with hornblock (14) of slider (11), one side fixedly connected with spring (12) of hornblock (14) are kept away from to slider (11), the inside threaded connection of slider (11) has second hexagon socket head cap bolts (13), second hexagon socket head cap bolts (13) all with square block (3) and inside groove square block (8) threaded connection.

2. The combination step drill of claim 1, wherein: the shape of the mounting plate (2) is square.

3. The combination step drill of claim 1, wherein: the top fixedly connected with installation piece (5) of mounting panel (2), two screw holes (6) have been seted up to the inside of installation piece (5).

4. A combination step drill according to claim 3, wherein: the outside of the installation block (5) is fixedly connected with a dust baffle (7).

5. The combination step drill of claim 1, wherein: the bottom of the inner groove square block (8) is fixedly connected with a twist drill (9).

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