CN213614351U

CN213614351U - Unequal spiral stepped twist drill

Info

Publication number: CN213614351U
Application number: CN202022757575.1U
Authority: CN
Inventors: 殷保学; 周晨亮; 杨文印
Original assignee: Hangzhou Binuo Precision Tool Co ltd
Current assignee: Hangzhou Binuo Precision Tool Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-06
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses an unequal spiral ladder fluted drill, including the drill bit body, one side fixedly connected with connecting rod of drill bit body, one side swing joint of connecting rod has the connecting handle, the one end fixedly connected with mounting panel of connecting rod, the mounting groove has been seted up to the other end of connecting handle. Through under mutually supporting between the connecting rod of design, the connection handle, the mounting groove, the mounting panel isotructure, can carry out quick effectual connection to connecting rod and connection handle for operating personnel increases the dismouting efficiency of equipment, also makes that operating personnel can be more convenient maintain and change the drill bit body, has improved the result of use of equipment, and the effectual operating personnel of having solved is comparatively troublesome to the dismantlement and the installation of equipment, makes operating personnel to its comparatively difficult problem of change maintenance.

Description

Unequal spiral stepped twist drill

Technical Field

The utility model belongs to the technical field of the fluted drill, concretely relates to unequal spiral ladder fluted drill.

Background

Twist drills are tools for drilling round holes in workpieces by rotary cutting relative to a fixed axis, are named as twist drills because the chip flutes are spiral, and have 2, 3 or more spiral flutes, but most commonly 2 flutes, and can be clamped on a manual or electric handheld drilling tool or a drilling machine, a milling machine, a lathe or even a machining center, and the drill bit material is generally high-speed tool steel or hard alloy.

But current fluted drill in the market in the use, operating personnel is comparatively troublesome to the dismantlement and the installation of equipment for the drill bit body is after damaging, and operating personnel is comparatively troublesome to the change of drill bit body, very big reduction the result of use's of equipment problem, for this reason we provide an unequal spiral ladder fluted drill.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unequal spiral ladder fluted drill to current fluted drill is in the use in the market that proposes in solving above-mentioned background art, and operating personnel is comparatively troublesome to the dismantlement and the installation of equipment, makes the drill bit body after damaging, and operating personnel is comparatively troublesome to the change of drill bit body, very big reduction the result of use's of equipment problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an unequal spiral ladder twist drill, includes the drill bit body, one side fixedly connected with connecting rod of drill bit body, one side swing joint of connecting rod has the connecting handle, the one end fixedly connected with mounting panel of connecting rod, the mounting groove has been seted up to the other end of connecting handle.

Preferably, a limiting screw hole is formed in one side of the surface of the connecting handle, connecting holes are formed in two sides of the mounting plate, a limiting block is movably connected to the surface of the connecting handle, and the bottom of the limiting block is connected with a limiting screw through a limiting screw hole in a threaded manner.

Preferably, the mounting groove is cross-shaped in side view, and the mounting plate is equal in side view shape to the mounting groove.

Preferably, two ends of the connecting hole are movably connected with the limiting screw hole, and threads are formed in the connecting hole.

Preferably, the limiting screw is in threaded connection with the limiting screw hole, and the limiting screw is in threaded connection with the connecting hole through the limiting screw hole.

Preferably, the number of the limiting screw holes is two, and the two limiting screw holes are equally distributed on two sides of one end of the connecting handle.

Preferably, one end of the lower surface of the connecting handle is fixedly connected with a locking block, and the locking block is fixedly connected to the bottom end of the limiting screw rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through under mutually supporting between the connecting rod of design, the connection handle, the mounting groove, the mounting panel isotructure, can carry out quick effectual connection to connecting rod and connection handle for operating personnel increases the dismouting efficiency of equipment, also makes that operating personnel can be more convenient maintain and change the drill bit body, has improved the result of use of equipment, and the effectual operating personnel of having solved is comparatively troublesome to the dismantlement and the installation of equipment, makes operating personnel to its comparatively difficult problem of change maintenance.

2. Through the mutual cooperation between the spacing screw of design, connecting hole, stopper, limiting screw isotructure, can carry out effectual spacing and fixed to the equipment after the connection is accomplished, increased spacing and the fixed effect of equipment, improved the result of use of equipment, the effectual relatively poor problem of fixed effect after the connection is accomplished of equipment of having solved.

Drawings

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

FIG. 2 is a schematic side view of the connecting rod of the present invention;

FIG. 3 is a schematic side view of the connection handle of the present invention;

fig. 4 is a schematic view of the whole internal structure of the device of the present invention.

In the figure: 1. a drill bit body; 2. a connecting rod; 3. a connecting handle; 4. a limiting screw hole; 5. mounting grooves; 6. mounting a plate; 7. connecting holes; 8. a limiting block; 9. and a limiting screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an unequal spiral ladder twist drill, includes drill bit body 1, one side fixedly connected with connecting rod 2 of drill bit body 1, one side swing joint of connecting rod 2 has a connecting handle 3, the one end fixedly connected with mounting panel 6 of connecting rod 2, mounting groove 5 has been seted up to the other end of connecting handle 3.

In this embodiment, when equipment is using, at first through the mounting panel 6 of 1 one side connecting rod 2 one end of drill bit body, peg graft with the mounting groove 5 of 3 one ends of connecting handle for connecting rod 2 and the connecting handle 3 of 1 one side of drill bit body are connected fixedly, make the dismouting efficiency of equipment increase, make the dismouting and the change of being convenient for of equipment.

Specifically, limiting screw hole 4 has been seted up to one side on the connection handle 3 surface, and connecting hole 7 has been seted up to the both sides of mounting panel 6, and the surperficial swing joint of connection handle 3 has stopper 8, and stopper 8's bottom has limiting screw 9 through 4 threaded connection of limiting screw hole.

In this embodiment, after the completion of pegging graft of drill bit body 1, connecting rod 2 and connecting handle 3, insert limiting screw 9 from limiting screw hole 4 of connecting handle 3 lower surface one side, then utilize stopper 8 to fix limiting screw 9 for equipment is better at the spacing effect after the completion of pegging graft.

Specifically, the mounting groove 5 is cross-shaped in side view, and the mounting plate 6 is equal in side view to the mounting groove 5.

In this embodiment, the connection of the connecting rod 2 and the connecting handle 3 is made more convenient by the cross-shaped mounting groove 5 and the mounting plate 6.

Specifically, two ends of the connecting hole 7 are movably connected with the limiting screw hole 4, and threads are formed inside the connecting hole 7.

In this embodiment, through the both ends with connecting hole 7 and the contact of spacing screw 4 for spacing screw 9 can get into the inside of spacing screw 4 through spacing screw 4, and then carries out spacing processing to mounting panel 6, increases the spacing effect of equipment.

Specifically, the limiting screw 9 is in threaded connection with the limiting screw hole 4, and the limiting screw 9 is in threaded connection with the connecting hole 7 through the limiting screw hole 4.

In this embodiment, through carrying out threaded connection with limiting screw 9 and limiting screw hole 4 and connecting hole 7, increase the connection effect of equipment.

Specifically, the number of the limiting screw holes 4 is two, and the two limiting screw holes 4 are respectively arranged on two sides of one end of the connecting handle 3.

In this embodiment, can carry out effectual spacing and fixed to equipment through two spacing screw holes 4.

Specifically, one end of the lower surface of the connecting handle 3 is fixedly connected with a locking block which is fixedly connected at the bottom end of the limiting screw rod 9.

In this embodiment, the locking block is held by the hand of the operator to insert the limit screw 9 into the limit screw hole 4 on one side of the connecting handle 3, so that the connecting effect of the equipment is increased.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an unequal spiral ladder twist drill, includes drill bit body (1), its characterized in that: one side fixedly connected with connecting rod (2) of drill bit body (1), one side swing joint of connecting rod (2) has connecting handle (3), the one end fixedly connected with mounting panel (6) of connecting rod (2), mounting groove (5) have been seted up to the other end of connecting handle (3).

2. The unequal spiral stepped twist drill according to claim 1, wherein: spacing screw (4) have been seted up to one side on connecting handle (3) surface, connecting hole (7) have been seted up to the both sides of mounting panel (6), the surperficial swing joint of connecting handle (3) has stopper (8), there is limiting screw (9) bottom of stopper (8) through spacing screw (4) threaded connection.

3. The unequal spiral stepped twist drill according to claim 1, wherein: the shape of looking sideways at of mounting groove (5) is the cross, the shape of looking sideways at of mounting panel (6) with the shape of looking sideways at of mounting groove (5) equals.

4. The unequal spiral stepped twist drill according to claim 2, wherein: the two ends of the connecting hole (7) are movably connected with the limiting screw hole (4), and threads are formed in the connecting hole (7).

5. The unequal spiral stepped twist drill according to claim 2, wherein: the limiting screw rod (9) is in threaded connection with the limiting screw hole (4), and the limiting screw rod (9) is in threaded connection with the connecting hole (7) through the limiting screw hole (4).

6. The unequal spiral stepped twist drill according to claim 2, wherein: the number of the limiting screw holes (4) is two, and the two limiting screw holes (4) are equally distributed on two sides of one end of the connecting handle (3).

7. The unequal spiral stepped twist drill according to claim 2, wherein: one end of the lower surface of the connecting handle (3) is fixedly connected with a locking block, and the locking block is fixedly connected to the bottom end of the limiting screw rod (9).