CN215941602U

CN215941602U - High-stability step drill

Info

Publication number: CN215941602U
Application number: CN202122005029.7U
Authority: CN
Inventors: 金璐
Original assignee: Changzhou Yalite Cnc Tool Co ltd
Current assignee: Changzhou Yalite Cnc Tool Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-04
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a high-stability step drill, and relates to the technical field of drill bits. The drilling tool comprises a mounting box, a connecting plate is arranged in the mounting box, a step drill bit is arranged at the top of the connecting plate, a fastening bolt is arranged on the side surface of the mounting box and is in threaded connection with the mounting box, the top end of the fastening bolt extends into the mounting box and abuts against the connecting plate, a limiting device is arranged on the side surface of the connecting plate, a clamping device is arranged at the bottom of the connecting plate and comprises a top groove, the top groove is formed in the inner bottom wall of the mounting box, an L-shaped sliding plate is arranged in the top groove, and the L-shaped sliding plate is in sliding connection with the top groove. The clamping device is arranged to clamp and fix the bottom of the step drill, so that the stability of the step drill in the mounting box is improved, the traditional mode that only a single bolt is used for fixing the step drill is avoided, the phenomenon that the step drill slips when in use is avoided, and the step drill can be normally used.

Description

High-stability step drill

Technical Field

The utility model belongs to the technical field of drill bits, and particularly relates to a high-stability step drill.

Background

Step drill bit often need be used when adding man-hour to the material, however current step drill bit still has certain weak point when using, current step drill bit need install the step drill bit in corresponding mounting box when using, make the step drill bit rotate and begin work through mounting box and corresponding drive arrangement welding, the step drill bit is often only simple fixes the step drill bit through the bolt in the mounting box, the step drill bit can produce vibrations at the during operation, can lead to the not hard up that the bolt becomes, make the step drill bit unstable with the mounting box is fixed, stability is relatively poor, can make the step drill bit can not normal use, therefore we improve this, a high stability step drill is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-stability step drill, which solves the existing problems that: the step drill bit that has now need install the step drill bit in corresponding mounting box when using, makes the step drill bit rotate and begin work through mounting box and corresponding drive arrangement welding, and the step drill bit is often only simply fixed the step drill bit through the bolt in the mounting box, and the step drill bit can shake at the during operation, can lead to the not hard up that the bolt becomes, makes the step drill bit unstable with the mounting box is fixed, and stability is relatively poor, can make the step drill bit normal use.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a high-stability step drill which comprises a mounting box, wherein a connecting plate is arranged in the mounting box, a step drill bit is arranged at the top of the connecting plate, a fastening bolt is arranged on the side surface of the mounting box and is in threaded connection with the mounting box, the top end of the fastening bolt extends into the mounting box and abuts against the connecting plate, a limiting device is arranged on the side surface of the connecting plate, a clamping device is arranged at the bottom of the connecting plate and comprises a top groove, and the top groove is formed in the inner bottom wall of the mounting box.

Further, an L-shaped sliding plate is arranged in the top groove and is in sliding connection with the top groove, a threaded rod is arranged in the mounting box and is in threaded connection with the mounting box.

Further, one end of the threaded rod is provided with a disc, the other end of the threaded rod abuts against the L-shaped sliding plate, a vertical rod is arranged at the bottom of the connecting plate, and a bottom plate is arranged at the bottom of the vertical rod.

Furthermore, the bottom plate is arranged on the side face of the L-shaped sliding plate and is abutted to the L-shaped sliding plate, and the top of the L-shaped sliding plate is provided with an inserted bar which is abutted to the bottom of the connecting plate.

Further, stop device includes the spout, the spout is seted up at the table wall of mounting box, be provided with first friction plate in the spout.

Furthermore, a clamping groove is formed in the first friction plate, a side plate is arranged on the surface of the connecting plate, and a second friction plate is arranged on the surface of the side plate.

Furthermore, the second friction plate extends into the sliding groove and is in sliding connection with the sliding groove, and a clamping ball is arranged on the surface of the second friction plate and extends into the clamping groove and is clamped with the clamping groove.

Furthermore, the first friction plate and the second friction plate are both rectangular in shape, and the first friction plate and the second friction plate are both made of iron.

Furthermore, the surface of the disc is provided with a plurality of anti-skidding lines, and the disc is made of stainless steel.

The utility model has the following beneficial effects:

1. the clamping device is arranged to clamp and fix the bottom of the step drill, so that the stability of the step drill in the mounting box is improved, the traditional mode that only a single bolt is used for fixing the step drill is avoided, the phenomenon that the step drill slips when in use is avoided, and the step drill can be normally used.

2. The step drill bit can be further limited and fixed in the mounting box by arranging the limiting device, and the step drill bit can be more stable in the mounting box by two modes of the limiting device and the clamping device, so that the step drill bit has high stability, and the practicability of the step drill bit in the mounting box is improved.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

fig. 4 is a schematic view of the connection structure of the limiting device of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a step drill; 2. mounting a box; 3. a connecting plate; 4. fastening a bolt; 5. a limiting device; 501. a chute; 502. a side plate; 503. a first friction plate; 504. a card slot; 505. blocking the ball; 506. a second friction plate; 6. a clamping device; 601. a disc; 602. a threaded rod; 603. a top groove; 604. an L-shaped slide plate; 605. a base plate; 606. inserting a rod; 607. a vertical rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the utility model is a high-stability step drill, including a mounting box 2, a connecting plate 3 is disposed in the mounting box 2, a step drill bit 1 is disposed on the top of the connecting plate 3, a fastening bolt 4 is disposed on the side of the mounting box 2, the fastening bolt 4 is in threaded connection with the mounting box 2, the top end of the fastening bolt 4 extends into the mounting box 2 and abuts against the connecting plate 3, a limiting device 5 is disposed on the side of the connecting plate 3, a clamping device 6 is disposed on the bottom of the connecting plate 3, the clamping device 6 includes a top groove 603, the top groove 603 is disposed on the inner bottom wall of the mounting box 2, an L-shaped sliding plate 604 is disposed in the top groove 603, the L-shaped sliding plate 604 is slidably connected with the top groove 603, a threaded rod 602 is disposed in the mounting box 2, the threaded rod 602 is in threaded connection with the mounting box 2, a circular disc 601 is disposed at one end of the threaded rod 602, the other end of the threaded rod 602 abuts against the L-shaped sliding plate 604, the bottom of the connecting plate 3 is provided with a vertical rod 607, the bottom of the vertical rod 607 is provided with a bottom plate 605, the bottom plate 605 is arranged on the side surface of the L-shaped sliding plate 604, the bottom plate 605 is abutted against the L-shaped sliding plate 604, the top of the L-shaped sliding plate 604 is provided with an insertion rod 606, the insertion rod 606 is abutted against the bottom of the connecting plate 3, the limiting device 5 comprises a sliding groove 501, the sliding groove 501 is arranged on the surface wall of the mounting box 2, a first friction plate 503 is arranged in the sliding groove 501, a clamping groove 504 is arranged in the first friction plate 503, the surface of the connecting plate 3 is provided with a side plate 502, the surface of the side plate 502 is provided with a second friction plate 506, the second friction plate 506 extends into the sliding groove 501 and is in sliding connection with the sliding groove 501, the surface of the second friction plate 506 is provided with a clamping ball 505, the clamping ball 505 extends into the clamping groove 504 and is clamped with the clamping groove 504, the first friction plate 503 and the second friction plate 506 are both rectangular, the first friction plate 503 and the second friction plate 506 are both made of iron, the surface of disc 601 is provided with many anti-skidding lines, the material of disc 601 is the stainless steel, clamping device 6 can carry out the centre gripping to the bottom of step drill bit 1 and fix, improve the stability of step drill bit 1 in mounting box 2, avoid traditional only to use single bolt to carry out the mode of fixing to step drill bit 1, avoid step drill bit 1 the phenomenon of skidding appearing when using, and then make step drill bit 1 can normal use, stop device 5 can be to step drill bit 1 further spacing fixed in mounting box 2, can make step drill bit 1 more firm in mounting box 2 through

stop device

5 and 6 two kinds of modes of clamping device, make step drill bit 1 have high stability, improve the practicality of drill bit step 1 in mounting box 2.

One specific application of this embodiment is: step drill 1 is welded at the top of connecting plate 3, then connecting plate 3 is placed in mounting box 2, make the curb plate 502 of connecting plate 3 side extend to in the spout 501, and make the card ball 505 joint of curb plate 502 side in draw-in groove 504 in first friction plate 503, then rotate fastening bolt 4 and make the top of fastening bolt 4 offset with connecting plate 3, carry out preliminary fixed to connecting plate 3 and step drill 1, then rotate disc 601 and make disc 601 drive threaded rod 602 rotate, L shape slide 604 slides in apical groove 603 under the drive of threaded rod 602 this moment, stop rotating disc 601 after the bottom of L shape slide 604 offsets with bottom plate 605, inserted bar 606 offsets with connecting plate 3 this moment, and then can be with connecting plate 3 and step drill 1 steady fixing in mounting box 2, improve the stability of step drill 1 in mounting box 2.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a high stability step bores, includes mounting box (2), its characterized in that: be provided with connecting plate (3) in mounting box (2), the top of connecting plate (3) is provided with step bit (1), the side of mounting box (2) is provided with fastening bolt (4), fastening bolt (4) and mounting box (2) threaded connection, the top of fastening bolt (4) extends to in mounting box (2) and offsets with connecting plate (3), the side of connecting plate (3) is provided with stop device (5), the bottom of connecting plate (3) is provided with clamping device (6), clamping device (6) include top groove (603), the inner diapire at mounting box (2) is seted up in top groove (603).

2. A high stability step drill according to claim 1, wherein: an L-shaped sliding plate (604) is arranged in the top groove (603), the L-shaped sliding plate (604) is in sliding connection with the top groove (603), a threaded rod (602) is arranged in the mounting box (2), and the threaded rod (602) is in threaded connection with the mounting box (2).

3. A high stability step drill according to claim 2, wherein: the one end of threaded rod (602) is provided with disc (601), the other end and L shape slide (604) of threaded rod (602) offset, the bottom of connecting plate (3) is provided with montant (607), the bottom of montant (607) is provided with bottom plate (605).

4. A high stability step drill according to claim 3, wherein: the bottom plate (605) is arranged on the side face of the L-shaped sliding plate (604), the bottom plate (605) is abutted to the L-shaped sliding plate (604), the top of the L-shaped sliding plate (604) is provided with an inserting rod (606), and the inserting rod (606) is abutted to the bottom of the connecting plate (3).

5. A high stability step drill according to claim 1, wherein: the limiting device (5) comprises a sliding groove (501), the sliding groove (501) is formed in the surface wall of the mounting box (2), and a first friction plate (503) is arranged in the sliding groove (501).

6. A high stability step drill according to claim 5, wherein: a clamping groove (504) is formed in the first friction plate (503), a side plate (502) is arranged on the surface of the connecting plate (3), and a second friction plate (506) is arranged on the surface of the side plate (502).

7. A high stability step drill according to claim 6, wherein: the second friction plate (506) extends into the sliding groove (501) and is in sliding connection with the sliding groove (501), a clamping ball (505) is arranged on the surface of the second friction plate (506), and the clamping ball (505) extends into the clamping groove (504) and is clamped with the clamping groove (504).

8. A high stability step drill according to claim 7, wherein: the first friction plate (503) and the second friction plate (506) are both rectangular in shape, and the first friction plate (503) and the second friction plate (506) are both made of iron.

9. A high stability step drill according to claim 3, wherein: the anti-skidding structure is characterized in that a plurality of anti-skidding lines are arranged on the surface of the disc (601), and the disc (601) is made of stainless steel.