CN214720846U

CN214720846U - Cutting tooth self-rotating drill bit

Info

Publication number: CN214720846U
Application number: CN202120773975.3U
Authority: CN
Inventors: 赵小铭; 冯金喜; 程治胜
Original assignee: Wuxue Jinrui Precision Forging Co ltd
Current assignee: Wuxue Jinrui Precision Forging Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-11-16
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a cutting tooth self-rotating drill bit, which comprises a first main body, wherein one end of the first main body is movably connected with a second main body, the other end of the second main body is movably connected with a third main body, the other end of the third main body is provided with a fixed cutting groove, and the inner side of one end of the first main body is fixedly connected with a fixed latch; through the fixed latch of design, a guide bar, the fixed block, flexible piece, connecting plate and first spring, when using, press first main part to the direction of third main part, make the inside of second main part and third main part can be gone into to fixed latch card, make flexible piece drive the connecting plate and extrude first spring, move to the inside of fixed block, thereby it rotates to drive, can prevent effectively through the mode of segmentation connection that the drill bit from taking place the fracture, the life of drill bit is prolonged, the drill bit fracture easily has been solved, the problem that life reduces.

Description

Cutting tooth self-rotating drill bit

Technical Field

The utility model belongs to the technical field of the drill bit, concretely relates to cutting tooth is from rotating drill bit.

Background

The drill bit mainly used drills, because the screw thread on surface follows the body and rotates in its working process, can arrange the miscellaneous on the one hand, and on the other hand can provide pressure for drilling, removes to object inside, uses extensively.

The conventional drill bit is easy to break due to the influence of the length of the drill bit in the working process, but is too short, so that the working efficiency is reduced, the use cost is improved, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cutting teeth is from rotating drill bit to propose current drill bit in the work process among the solution above-mentioned background art, because the influence of the length of drill bit itself, the easy emergence fracture, on the contrary the drill bit is too short, and its work efficiency reduces, when use cost improves, uses the same inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cutting tooth is from rotating drill bit, includes first main part, the one end swing joint of first main part has the second main part, the other end swing joint of second main part has the third main part, fixed cutting groove has been seted up to the other end of third main part, the inboard fixedly connected with fixing clip tooth of one end of first main part, the one end fixedly connected with fixed block of second main part, the inside swing joint of fixed block has flexible piece, the one end fixedly connected with connecting plate of flexible piece, the first spring of one side fixedly connected with of connecting plate, the first guide bar of top fixedly connected with of fixed block.

Preferably, the first guide rod is fixedly connected with a second guide rod, the movable block is movably sleeved on the outer side of the surface of the second guide rod, the top of the movable block is fixedly connected with a shifting block, the bottom of the movable block is fixedly connected with a movable block, one side of the movable block is fixedly connected with a movable insertion rod, the other side of the movable block is fixedly connected with a second spring, the inner wall of the first guide rod is fixedly connected with a fixed clamping block, and the inner part of the fixed clamping block is movably connected with a movable clamping plate.

Preferably, the bottom end of the movable clamping plate penetrates through the inside of the fixed clamping block and extends to the outside, and the bottom end of the movable clamping plate is attached to the surface of the movable inserted rod.

Preferably, the stress plate is fixedly sleeved on the outer side of the surface of the fixed clamping block, and the top of the stress plate is fixedly connected with the fixed clamping block.

Preferably, the cross section of each fixed latch is in a pentagram shape, the number of the fixed latches is two, and the two fixed latches are respectively located at one end of the second main body and one end of the first main body.

Preferably, the inner sides of the other ends of the third main body and the second main body are provided with clamping grooves matched with the fixed clamping teeth, and the fixed clamping teeth are attached to the clamping grooves.

Preferably, one end of the first guide rod penetrates through the surfaces of the first main body and the second main body and extends to the inside, and grooves matched with the movable clamping plates are formed in the first main body and the second main body.

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

1. through the fixed latch of design, a guide bar, the fixed block, flexible piece, connecting plate and first spring, when using, press first main part to the direction of third main part, make the inside of second main part and third main part can be gone into to fixed latch card, make flexible piece drive the connecting plate and extrude first spring, move to the inside of fixed block, thereby it rotates to drive, can prevent effectively through the mode of segmentation connection that the drill bit from taking place the fracture, the life of drill bit is prolonged, the drill bit fracture easily has been solved, the problem that life reduces.

2. Through the second guide bar of design, the movable block, dial the piece, the movable block, the activity inserted bar, fixed fixture block and activity cardboard, be convenient for remove the piece of dialling left, it removes to drive movable block and movable block, make the activity inserted bar break away from between the fixed fixture block, make the activity cardboard can remove to the inside of fixed fixture block, thereby can break away from the inside of first main part and second main part respectively with first guide bar, be convenient for dismantle, the problem of inconvenient dismantlement change to the drill bit has been solved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the fixing block structure of the present invention;

FIG. 3 is a schematic view of the connecting plate structure of the present invention;

fig. 4 is a schematic view of the internal structure of the first guide rod of the present invention;

fig. 5 is the schematic view of the internal structure of the fixing block of the present invention.

In the figure: 1. a first body; 2. a second body; 3. a third body; 4. fixing the cutting groove; 5. fixing the latch; 6. a fixed block; 7. a telescopic block; 8. a first guide bar; 9. a connecting plate; 10. a first spring; 11. a second guide bar; 12. a movable block; 13. a shifting block; 14. a moving block; 15. a movable inserted link; 16. a second spring; 17. fixing the fixture block; 18. a movable clamping plate; 19. a stress plate; 20. and a third spring.

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. 1-5, the present invention provides a technical solution: the utility model provides a cutting tooth is from rotating drill bit, including first main part 1, the one end swing joint of first main part 1 has second main part 2, the other end swing joint of second main part 2 has third main part 3, fixed cutting groove 4 has been seted up to the other end of third main part 3, the inboard fixedly connected with fixed latch 5 of one end of first main part 1, the one end fixedly connected with fixed block 6 of second main part 2, the inside swing joint of fixed block 6 has flexible piece 7, the one end fixedly connected with connecting plate 9 of flexible piece 7, the first spring 10 of one side fixedly connected with of connecting plate 9, the first guide bar 8 of top fixedly connected with of fixed block 6.

In this embodiment, at first, each part is installed, in the use, press first main part 1 to the direction of third main part 3 place, make fixed latch 5 can insert the inside of second main part 2 and third main part 3 respectively, rotate through first main part 1 and drive second main part 2 and third main part 3 and rotate, thereby punch, can extrude flexible piece 7 when first main part 1 presses to the direction of third main part 3 place, make connecting plate 9 can compress first spring 10, flexible piece 7 removes to the inside of fixed block 6, make can laminate each other between first main part 1 and second main part 2 and the third main part 3, high durability and convenient use.

Specifically, the inside fixedly connected with second guide bar 11 of first guide bar 8, the activity of having cup jointed movable block 12 outside the surface of second guide bar 11, the top fixedly connected with of movable block 12 dials movable block 13, the bottom fixedly connected with movable block 14 of movable block 12, one side fixedly connected with activity inserted bar 15 of movable block 14, the opposite side fixedly connected with second spring 16 of movable block 14, the inner wall fixedly connected with fixture block 17 of first guide bar 8, the inside swing joint of fixture block 17 has activity cardboard 18.

In this embodiment, will dial piece 13 and move left, drive movable block 12 and dial piece 13 and move, make movable block 12 can move on the surface of second guide bar 11, drive movable inserted bar 15 and move, make movable inserted bar 15 break away from between fixed fixture block 17, activity cardboard 18 can contract to the inside of fixed fixture block 17, thereby can dismantle first guide bar 8 from the inboard of first main part 1 and second main part 2 respectively, dismantle the change to second main part 2 and third main part 3, high durability and convenient use.

Specifically, the bottom end of the movable clamping plate 18 penetrates through the inside of the fixed clamping block 17 and extends to the outside, and the bottom end of the movable clamping plate 18 is attached to the surface of the movable inserted rod 15.

In this embodiment, when being convenient for movable inserted bar 15 to remove the bottom of fixed fixture block 17, can extrude the bottom of activity cardboard 18 for the top of activity cardboard 18 can remove convenient to use to the outside of fixed fixture block 17 and first guide bar 8.

Specifically, the outer side of the surface of the fixed fixture block 17 is fixedly sleeved with a stress plate 19, and the top of the stress plate 19 is fixedly connected with the fixed fixture block 17.

In this embodiment, when the movable rod 15 is separated from the fixed block 17, the top of the movable clamping plate 18 is driven by the third spring 20 to contract towards the inside of the fixed block 17, so that the use is convenient.

Specifically, the cross-sectional shape of the fixed latch 5 is a pentagram, the number of the fixed latches 5 is two, and the two fixed latches 5 are respectively located at one end of the second body 2 and one end of the first body 1.

In this embodiment, be convenient for first main part 1 can drive second main part 2 through fixed latch 5 and rotate to drive third main part 3 and rotate convenient to use.

Specifically, the other end inboard of third main part 3 and second main part 2 all sets up the draw-in groove with 5 looks adaptations of fixed latch, and fixed latch 5 laminates with the draw-in groove each other.

In this embodiment, the fixed latch 5 of being convenient for is gone into the inside transmission that second main part 2 and third main part 3 were gone into to the card, convenient to use.

Specifically, the one end of first guide bar 8 runs through in the surface of first main part 1 and second main part 2 to inside extends, and the inside of first main part 1 and second main part 2 all is seted up with the groove of activity cardboard 18 looks adaptation.

In this embodiment, the first guide bar 8 can be inserted into the first body 1 and the second body 2 for fixing, and the use is convenient.

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. A cutter spin drill bit comprising a first body (1), characterized in that: the one end swing joint of first main part (1) has second main part (2), the other end swing joint of second main part (2) has third main part (3), fixed cutting groove (4) have been seted up to the other end of third main part (3), inboard fixedly connected with fixing clip tooth (5) of one end of first main part (1), the one end fixedly connected with fixed block (6) of second main part (2), the inside swing joint of fixed block (6) has flexible piece (7), the one end fixedly connected with connecting plate (9) of flexible piece (7), the first spring (10) of one side fixedly connected with of connecting plate (9), the first guide bar (8) of top fixedly connected with of fixed block (6).

2. A cutter spin drill bit according to claim 1, wherein: the inner fixed connection of the first guide rod (8) is provided with a second guide rod (11), a movable block (12) is movably sleeved on the outer side of the surface of the second guide rod (11), a shifting block (13) is fixedly connected to the top of the movable block (12), a movable block (14) is fixedly connected to the bottom end of the movable block (12), a movable inserting rod (15) is fixedly connected to one side of the movable block (14), a second spring (16) is fixedly connected to the other side of the movable block (14), a fixed clamping block (17) is fixedly connected to the inner wall of the first guide rod (8), and a movable clamping plate (18) is movably connected to the inner portion of the fixed clamping block (17).

3. A cutter spin drill bit according to claim 2, wherein: the bottom end of the movable clamping plate (18) penetrates through the inside of the fixed clamping block (17) and extends to the outside, and the bottom end of the movable clamping plate (18) is attached to the surface of the movable inserted rod (15).

4. A cutter spin drill bit according to claim 2, wherein: the outer side of the surface of the fixed clamping block (17) is fixedly sleeved with a stress plate (19), and the top of the stress plate (19) is fixedly connected with the fixed clamping block (17).

5. A cutter spin drill bit according to claim 1, wherein: the cross section of the fixed latch (5) is in a pentagram shape, the number of the fixed latch (5) is two, and the two fixed latches (5) are respectively arranged at one end of the second main body (2) and one end of the first main body (1).

6. A cutter spin drill bit according to claim 1, wherein: the other end inboard of third main part (3) and second main part (2) all seted up with the draw-in groove of fixed latch (5) looks adaptation, fixed latch (5) and draw-in groove are laminated each other.

7. A cutter spin drill bit according to claim 2, wherein: one end of the first guide rod (8) penetrates through the surfaces of the first main body (1) and the second main body (2) and extends to the inside, and grooves matched with the movable clamping plates (18) are formed in the first main body (1) and the second main body (2).