CN212331331U

CN212331331U - Coaxial diplopore carpenter's drill bit

Info

Publication number: CN212331331U
Application number: CN202020496976.3U
Authority: CN
Inventors: 张伟
Original assignee: Danyang Pangu Tools Co ltd
Current assignee: Danyang Pangu Tools Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-01-12
Anticipated expiration: 2030-04-07

Abstract

The utility model belongs to the technical field of drill bit equipment, especially, be a coaxial diplopore carpenter drill bit, including the drill rod, the hollow piece of upper end fixedly connected with of drill rod, the upper end fixedly connected with groove connection piece of hollow piece, the internal thread of hollow piece and groove connection piece is connected with the threaded rod, the piece is turned round to the upper end fixedly connected with of threaded rod, the lower extreme of threaded rod is connected with through the bearing rotation and links up the piece, it is connected with the rotary rod through the pivot rotation to link up the piece, the rotary rod is rotated through the pivot and is connected with the connecting rod, the surface of hollow piece is provided with the arc piece. The utility model discloses a set up hollow block, hollow block is under the cooperation of threaded rod, piece of turning round, link up piece, rotary rod, connecting rod, arc piece and tungsten steel blade for the drilling aperture of whole second drill bit can be adjusted, has avoided the trouble that frequent change brought not of uniform size.

Description

Coaxial diplopore carpenter's drill bit

Technical Field

The utility model relates to a drill bit equipment technical field specifically is a coaxial diplopore carpenter's drill bit.

Background

The drill bit is the important part of carpenter's electric drill, can drill out the hole of different shapes through changing different drill bits, and at the carpenter's operation in-process, often need process concentric diplopore, for example, in the installation of door and window lock body and handle, need hide the installation inside door and window with miniature cylinder base sometimes, need drill out concentric inside and outside hole on door and window, the hole is used for inserting the transmission square shaft, and the outer hole is used for imbedding installation cylinder base.

However, the existing woodworking drill bit has the following problems:

1. the existing woodworking drill bit is mainly of a fixed structure, when high and strict drilling is carried out, the arc piece with the matched drilling diameter needs to be replaced, so that time and labor are wasted, and if the arc piece is not replaced, the drilling requirement is difficult to meet;

2. the current carpenter's drill bit when just punching, needs very big pressure, and the in-process of drilling moreover, the saw-dust takes place to splash easily to lead to the constructor to be uncomfortable.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a coaxial diplopore carpenter's drill bit has solved current carpenter's drill bit, and the second drill bit is difficult to change the diameter of drilling, when just punching, needs very big pressure and the easy problem that splashes of saw-dust emergence.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a coaxial diplopore carpenter drill bit, includes the drill pole, the hollow block of upper end fixedly connected with of drill pole, the upper end fixedly connected with groove connection piece of hollow block, the inside threaded connection of hollow block and groove connection piece has the threaded rod, the upper end fixedly connected with of threaded rod turns round the piece, the lower extreme of threaded rod rotates through the bearing and is connected with links up the piece, it is connected with the rotary rod through the pivot rotation to link up the piece, the rotary rod rotates through the pivot and is connected with the connecting rod, the surface of hollow block is provided with the arc piece, the outer fixed surface of arc piece is connected with heterotypic blade.

As an optimal technical scheme of the utility model, the chip groove has been seted up to the surface of drill rod, the outer fixed surface of drill rod is connected with protruding sword strip, the lower extreme fixedly connected with of drill rod bores the head.

As a preferred technical scheme of the utility model, the quantity that sets up of threaded rod is two altogether, the quantity that sets up of rotary rod is four altogether, and two liang are a set of setting.

As a preferred technical scheme of the utility model, the one end of connecting rod and the inner wall fixed connection of arc piece, the threaded rod runs through groove connection piece and hollow block respectively to threaded connection.

As an optimal technical scheme of the utility model, the surface of abnormal shape blade and protruding sword strip all is provided with the tungsten steel layer, chip groove and protruding sword strip are the equidistance and offer and connect.

(III) advantageous effects

Compared with the prior art, the utility model provides a coaxial diplopore carpenter's drill bit possesses following beneficial effect:

1. this coaxial diplopore carpenter's drill bit through setting up hollow block, hollow block at the threaded rod, turn round the piece, link up the piece, rotary rod, connecting rod, arc piece and tungsten steel blade's cooperation for the drilling aperture of whole second drill bit can be adjusted, has avoided the trouble that frequent change brought not of uniform size.

2. This coaxial diplopore carpenter's drill bit through setting up chip groove, protruding sword strip and drilling head for whole drill bit bores into more easily in drilling, and the saw-dust is unlikely to splash moreover.

Drawings

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

FIG. 2 is a sectional view of the connection structure of the hollow block and the groove connection block of the present invention;

fig. 3 is a sectional view of the hollow block of the present invention.

In the figure: 1. a drill rod; 2. a hollow block; 3. a groove connecting block; 4. a threaded rod; 5. a twisting block; 6. a joining block; 7. rotating the rod; 8. a connecting rod; 9. an arc-shaped sheet; 10. a special-shaped blade; 11. a chip groove; 12. a raised edge strip; 13. a drill head.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a coaxial diplopore carpenter drill bit, including drill pole 1, the hollow block 2 of upper end fixedly connected with of drill pole 1, the upper end fixedly connected with of hollow block 2 is fluted connecting block 3, the internal thread connection of hollow block 2 and fluted connecting block 3 has threaded rod 4, the upper end fixedly connected with of threaded rod 4 turns round piece 5, the lower extreme of threaded rod 4 rotates through the bearing and is connected with linking block 6, linking block 6 rotates through the pivot and is connected with rotary rod 7, rotary rod 7 rotates through the pivot and is connected with connecting rod 8, the surface of hollow block 2 is provided with arc piece 9, the fixed surface of arc piece 9 is connected with heterotypic blade 10.

In this embodiment, this drill bit when using, at first carries out the regulation of aperture size according to the size of needs trompil, at first twists the piece 5 of turning round through the wrench movement, makes threaded rod 4 take place to rotate, then threaded rod 4 promotes to link up piece 6, links up piece 6 and promotes rotary rod 7 again and produces rotatoryly, and then lets rotary rod 7 promote connecting rod 8 and produce the removal for arc piece 9 produces under connecting rod 8's cooperation and opens, thereby the aperture of drilling has been changed, the inefficiency that the frequent change brought has been avoided.

Specifically, a chip groove 11 is formed in the outer surface of the drill rod 1, a protruding blade 12 is fixedly connected to the outer surface of the drill rod 1, and a drilling head 13 is fixedly connected to the lower end of the drill rod 1.

In this embodiment, when formally using, at first contradict the plank with the drilling head 13, then cooperate protruding sword strip 12 to bore into fast to saved and pressed required dynamics, made drilling more light, moreover just the in-process of drilling, chip groove 11 can discharge the saw-dust, has prevented that the saw-dust from splashing the operation that brings and uncomfortable.

Specifically, the number of the threaded rods 4 is two, the number of the rotating rods 7 is four, and every two of the rotating rods are arranged in a group.

In this embodiment, the number of the threaded rods 4 is two, the number of the rotating rods 7 is four, and the two sets of the rotating rods are arranged in pairs, so that the process of changing the aperture of the whole drilling hole is more stable.

Specifically, one end of the connecting rod 8 is fixedly connected with the inner wall of the arc-shaped piece 9, and the threaded rod 4 penetrates through the groove connecting block 3 and the hollow block 2 respectively and is in threaded connection.

In this embodiment, the two ends of the connecting rod 8 are respectively connected with one end of the rotating rod 7 through the rotating shaft and fixedly connected with the inner wall of the arc-shaped piece 9, so that power transmission is achieved, and the purpose of adjustment is achieved.

Specifically, the outer surfaces of the special-shaped blade 10 and the convex blade 12 are both provided with tungsten steel layers, and the chip grooves 11 and the convex blade 12 are arranged and connected at equal intervals.

In this embodiment, the outer surfaces of the special-shaped blade 10 and the protruding blade 12 are both provided with tungsten steel layers, and the tungsten steel has high hardness and high wear resistance, so that the service life of the whole body is prolonged, and the operation expenditure is reduced.

The utility model discloses a theory of operation and use flow: this drill bit is when using, at first the regulation of aperture size is carried out to the size of trompil as required, at first turn round piece 5 through wrench movement, make threaded rod 4 take place to rotate, then threaded rod 4 promotes and links up piece 6, it produces rotatoryly to link up piece 6 promotes rotary rod 7 again, and then let rotary rod 7 promote connecting rod 8 and produce the removal, make the arc piece 9 produce under the cooperation of connecting rod 8 and open, thereby the aperture of drilling has been changed, the inefficiency that frequent change brought has been avoided, when formally using, at first contradict the plank with drilling head 13, then cooperate protruding sword strip 12 to carry out quick drilling, thereby the required dynamics of pressing has been saved, make drilling more light, moreover just the in-process of drilling, arrange 11 can discharge the saw-dust, the operation that has prevented the saw-dust and has splashed and has brought is uncomfortable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a coaxial diplopore carpenter's drill bit, includes drill rod (1), its characterized in that: the utility model discloses a drill bit, including drill bit pole (1), the upper end fixedly connected with hollow block (2) of drill bit pole (1), the upper end fixedly connected with grooved connection piece (3) of hollow block (2), the internal thread of hollow block (2) and grooved connection piece (3) is connected with threaded rod (4), the upper end fixedly connected with of threaded rod (4) turns round piece (5), the lower extreme of threaded rod (4) rotates through the bearing and is connected with linking block (6), linking block (6) rotate through the pivot and are connected with rotary rod (7), rotary rod (7) rotate through the pivot and are connected with connecting rod (8), the surface of hollow block (2) is provided with arc piece (9), the outer fixed surface of arc piece (9) is connected with heterotypic blade (10).

2. The coaxial two-hole woodworking drill bit of claim 1, wherein: the outer surface of the drill rod (1) is provided with a chip removal groove (11), the outer surface of the drill rod (1) is fixedly connected with a convex blade strip (12), and the lower end of the drill rod (1) is fixedly connected with a drilling head (13).

3. The coaxial two-hole woodworking drill bit of claim 1, wherein: the number of the threaded rods (4) is two, the number of the rotating rods (7) is four, and two of the rotating rods are arranged in a group.

4. The coaxial two-hole woodworking drill bit of claim 1, wherein: one end of the connecting rod (8) is fixedly connected with the inner wall of the arc-shaped sheet (9), and the threaded rod (4) penetrates through the groove connecting block (3) and the hollow block (2) respectively and is in threaded connection.

5. The coaxial two-hole woodworking drill bit of claim 2, wherein: the outer surfaces of the special-shaped blade (10) and the convex blade strip (12) are both provided with tungsten steel layers, and the chip grooves (11) and the convex blade strip (12) are arranged and connected at equal intervals.