CN215509123U

CN215509123U - Step drill with processing guide function

Info

Publication number: CN215509123U
Application number: CN202122099553.5U
Authority: CN
Inventors: 李慧; 张涛燕; 李花
Original assignee: Changzhou Bosite Precision Machinery Co ltd
Current assignee: Changzhou Bosite Precision Machinery Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-14
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a step drill with a machining guide function, and particularly relates to the technical field of drill bits. According to the utility model, the threaded ring on the rotating ring is in threaded connection with the threaded ring on the moving ring, so that the rotating ring rotates to drive the moving ring to move in the annular rotating groove, the supporting rod is pushed to move in the limiting groove in a telescopic manner, and the positioning ring fixed at one end of the supporting rod can slide out of the annular groove and assist the drilling positioning of the drill bit.

Description

Step drill with processing guide function

Technical Field

The utility model relates to the technical field of drill bits, in particular to a step drill with a machining guide function.

Background

The step drill is also called as a step drill or a pagoda drill and is mainly used for drilling and processing thin steel plates within 3mm, one drill bit can replace a plurality of drill bits to be used, holes with different diameters can be processed according to needs, the drilling can be completed in one step, and the drill bits do not need to be replaced, positioning holes do not need to be drilled, and the like.

However, in actual use, since the step drill has different radii, it is difficult to control the diameter of the drilled hole when drilling, and thus further improvement is required.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a step drill with a machining guide function to solve the problems set forth in the above-mentioned background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a step drill with processing guide effect, includes drill bit, drillstock and handheld portion, the spout has been seted up in the centre of handheld portion, the drillstock slides on the inner wall of spout, the drillstock wears to establish the one end and the drill bit fixed connection of spout, annular rotation groove has been seted up on the surface of handheld portion, the inner wall sliding connection in annular rotation groove has shift ring and rotating ring, the surface slip of rotating ring at the shift ring, be provided with screw thread mechanism between shift ring and the rotating ring, the annular groove has been seted up to one side that handheld portion is close to the drill bit, annular groove's inner wall sliding connection has the holding ring, fixed mounting has the bracing piece between holding ring and the shift ring.

In order to rotate through the rotating ring and drive the moving ring to move to the designated position, the thread mechanism comprises a thread ring fixedly installed on the outer surface of the moving ring, a thread ring is fixedly installed on the inner wall of the rotating ring, and the thread ring is in threaded connection with the thread ring.

In order to move to the assigned position through the shifting ring to promote the holding ring to remove, the spacing groove has been seted up between annular rotating groove and the annular groove, the spacing inslot portion is worn to locate by the bracing piece, bracing piece and spacing groove joint.

In order to enable the drill bit to replace a plurality of traditional drill bits for use, and accordingly holes with different diameters can be machined according to requirements, the drill bits are sequentially arranged in a plurality of step shapes, and the radius of the drill bits is gradually increased in the direction close to the handheld portion.

In order to facilitate the control of the distance that the supporting rod pushes the positioning ring to move and fix, the positioning ring can assist the drill bit to punch, so that the drilling radius is more accurate, and the surface of the supporting rod is provided with the graduated scale.

In order to control the rotation of the rotating ring conveniently, a friction groove is formed in the surface of the rotating ring.

In order to enable the positioning ring to assist in positioning the drill bit and avoid interfering with the drilling of the drill bit, the radius of the positioning ring is greater than the radius of the drill bit.

The utility model has the technical effects and advantages that:

1. compared with the prior art, through setting up threaded ring and fillet, because the fillet on the swivel becket and the threaded ring threaded connection on the shifting ring utilize the shifting ring to pass through bracing piece and spacing groove joint to the swivel becket rotates and drives the shifting ring and removes in the annular rotating groove, thereby promotes the bracing piece and removes in the spacing inslot that stretches out and draws back, thereby the holding ring that bracing piece one end is fixed can roll-off annular groove and auxiliary drill punch the location.

2. Compared with the prior art, the graduated scale is arranged, and the drill bit is sequentially distributed in a plurality of step shapes, so that the supporting rod can drive the positioning ring to move to a specified position according to the graduated scale, and drill bits with different radiuses can be more accurately drilled; the friction groove is arranged, so that the rotation of the rotating ring can be conveniently controlled, and the step drill is facilitated to be guided; through setting up the spacing groove, can avoid the shift ring to be driven by the rotating ring and rotate to can restrict the bracing piece and remove according to the assigned direction, thereby the bracing piece can give the holding ring supporting role.

Drawings

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

FIG. 2 is a cross-sectional view of the hand-held portion of the present invention.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention.

The reference signs are: 1. a drill bit; 2. a drill shank; 3. a hand-held portion; 4. a chute; 5. an annular rotating groove; 6. a moving ring; 7. a rotating ring; 8. an annular groove; 9. a positioning ring; 10. a support bar; 11. a threaded ring; 12. a thread ring; 13. a limiting groove; 14. a graduated scale; 15. and (4) rubbing the grooves.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The step drill with the processing guide function as shown in the attached figures 1 and 2 comprises a drill bit 1, a drill handle 2 and a handheld portion 3, a sliding groove 4 is formed in the middle of the handheld portion 3, the drill handle 2 slides on the inner wall of the sliding groove 4, one end, penetrating through the sliding groove 4, of the drill handle 2 is fixedly connected with the drill bit 1, an annular rotating groove 5 is formed in the surface of the handheld portion 3, a moving ring 6 and a rotating ring 7 are connected to the inner wall of the annular rotating groove 5 in a sliding mode, the rotating ring 7 slides on the surface of the moving ring 6, a thread mechanism is arranged between the moving ring 6 and the rotating ring 7, an annular groove 8 is formed in one side, close to the drill bit 1, of the handheld portion 3, a positioning ring 9 is connected to the inner wall of the annular groove 8 in a sliding mode, and a supporting rod 10 is fixedly installed between the positioning ring 9 and the moving ring 6.

In a preferred embodiment, as shown in fig. 2 and fig. 3, the screw mechanism includes a threaded ring 11 fixedly mounted on the outer surface of the moving ring 6, a threaded ring 12 is fixedly mounted on the inner wall of the rotating ring 7, and the threaded ring 12 is in threaded connection with the threaded ring 11, so that the rotating ring 7 can rotate to drive the moving ring 6 to move in the annular rotating groove 5, thereby pushing the support rod 10 to move in a telescopic manner in the limit groove 13, so that the positioning ring 9 fixed at one end of the support rod 10 can slide out of the annular groove 8 and assist in positioning the drilling of the drill bit 1.

In a preferred embodiment, as shown in fig. 2 and fig. 3, a limit groove 13 is formed between the annular rotating groove 5 and the annular groove 8, the support rod 10 is inserted into the limit groove 13, and the support rod 10 is clamped with the limit groove 13, so that the moving ring 6 can be prevented from being driven by the rotating ring 7 to rotate, the support rod 10 can be limited to move in a specified direction, and the support rod 10 can provide a supporting function for the positioning ring 9.

In a preferred embodiment, as shown in fig. 1 and 2, the drill bit 1 is arranged in a plurality of steps, and the radius of the drill bit 1 is gradually increased towards the holding part 3, so that the drill bit 1 can be used to replace a plurality of conventional drill bits, and holes with different diameters can be machined according to requirements.

In a preferred embodiment, as shown in fig. 1 and 2, a graduated scale 14 is provided on the surface of the support rod 10, so that the support rod 10 can drive the positioning ring 9 to move to a specified position according to the graduated scale 14, thereby enabling drill bits with different radii to be drilled more accurately.

In a preferred embodiment, as shown in fig. 1 and 2, the surface of the rotating ring 7 is provided with a friction groove 15 so as to facilitate the control of the rotation of the rotating ring 7, thereby facilitating the guiding of the step drilling process.

In a preferred embodiment, as shown in fig. 1 and 2, the radius of the positioning ring 9 is larger than the radius of the drill bit 1, so that the positioning ring 9 can assist in positioning the drill bit 1 and avoid interfering with the drilling of the drill bit 1.

The working principle of the utility model is as follows: when the drill bit is used, the threaded ring 11 and the threaded ring 12 are arranged, the threaded ring 12 on the rotating ring 7 is in threaded connection with the threaded ring 11 on the moving ring 6, and the moving ring 6 is clamped with the limiting groove 13 through the support rod 10, so that the rotating ring 7 rotates to drive the moving ring 6 to move in the annular rotating groove 5, the support rod 10 is pushed to move in the limiting groove 13 in a telescopic mode, and the positioning ring 9 fixed at one end of the support rod 10 can slide out of the annular groove 8 and assist in drilling and positioning of the drill bit 1; by arranging the graduated scale 14, the drill bit 1 is sequentially arranged in a plurality of step shapes, so that the supporting rod 10 can drive the positioning ring 9 to move to a specified position according to the graduated scale 14, and the drill bits with different radiuses can punch more accurately; by providing the friction groove 15, it is possible to facilitate control of the rotation of the rotary ring 7, thereby facilitating the guiding of the step drill processing; by arranging the limiting groove 13, the movable ring 6 can be prevented from being driven to rotate by the rotating ring 7, so that the supporting rod 10 can be limited to move in a specified direction, and the supporting rod 10 can support the positioning ring 9; in conclusion, the device has the function of processing guide.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a step drill with processing guide effect, includes drill bit (1), drillstock (2) and handheld portion (3), its characterized in that: spout (4) have been seted up to the centre of handheld portion (3), drillstock (2) slide on the inner wall of spout (4), the one end and drill bit (1) fixed connection of spout (4) are worn to establish by drillstock (2), annular rotating groove (5) have been seted up on the surface of handheld portion (3), the inner wall sliding connection of annular rotating groove (5) has shift ring (6) and swivel ring (7), swivel ring (7) is at the surface slip of shift ring (6), be provided with screw thread mechanism between shift ring (6) and swivel ring (7), annular groove (8) have been seted up to one side that handheld portion (3) are close to drill bit (1), the inner wall sliding connection of annular groove (8) has holding ring (9), fixed mounting has bracing piece (10) between holding ring (9) and shift ring (6).

2. A step drill with a machining guide function according to claim 1, wherein: the screw mechanism comprises a screw ring (11) fixedly installed on the outer surface of the moving ring (6), a screw ring (12) is fixedly installed on the inner wall of the rotating ring (7), and the screw ring (12) is in threaded connection with the screw ring (11).

3. A step drill with a machining guide function according to claim 1, wherein: spacing groove (13) have been seted up between annular rotating groove (5) and annular groove (8), inside spacing groove (13) was worn to locate by bracing piece (10), bracing piece (10) and spacing groove (13) joint.

4. A step drill with a machining guide function according to claim 1, wherein: the drill bit (1) is arranged in sequence in a plurality of step shapes, and the change of the radius of the drill bit (1) is gradually increased in the direction close to the handheld part (3).

5. A step drill with a machining guide function according to claim 1, wherein: the surface of the support rod (10) is provided with a graduated scale (14).

6. A step drill with a machining guide function according to claim 1, wherein: the surface of the rotating ring (7) is provided with a friction groove (15).

7. A step drill with a machining guide function according to claim 1, wherein: the radius of the positioning ring (9) is larger than that of the drill bit (1).