CN210305900U - Quick conversion device for hole saw shaft - Google Patents
Quick conversion device for hole saw shaft Download PDFInfo
- Publication number
- CN210305900U CN210305900U CN201921411705.7U CN201921411705U CN210305900U CN 210305900 U CN210305900 U CN 210305900U CN 201921411705 U CN201921411705 U CN 201921411705U CN 210305900 U CN210305900 U CN 210305900U
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- hole saw
- hole
- axle
- saw shaft
- connecting column
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Abstract
The utility model discloses a hole saw is quick change device for axle. Including hole saw axle main part, hole saw axle main part bottom is main to be regarded as handstand "concave" shape structure, and upward regards as circular structure, hole saw axle main part bottom opening internal connection has the anchor block, and the anchor block appearance is identical with the interior shape of hole saw axle main part bottom opening, the inside gomphosis of hole saw axle main part bottom opening is connected with hole saw axle spliced pole, and hole saw axle spliced pole owner regards as "protruding" shape structure to hole saw axle spliced pole is pitched and is regarded as circular structure, hole saw axle spliced pole is the metal material, and hole saw axle spliced pole top appearance is identical with hole saw axle main part opening interior shape, the anchor block is the magnet material, and the anchor block bottom is connected with hole saw axle spliced pole, hole saw axle spliced pole bottom external connection has the hole saw main part. This quick conversion equipment is used to hole saw axle can be comparatively convenient quick change hole saw, improves hole saw and changes efficiency.
Description
Technical Field
The utility model relates to a hole saw axle specifically is a hole saw axle is with quick change device.
Background
Hole saws are commonly used in conjunction with electric drills to drill holes in workpieces and can cut very hard materials including hardened steel, cast iron, bricks, etc., with a carbon steel shaft fitted with a pilot drill. Can be cut into metal sheets, plastics, resin glass, PVC, synthetic boards and gypsum boards. The grinding tool is used for drilling or drilling big holes, and can also be used for grinding burrs in the automatic rust prevention process. The hole saw shaft is the central shaft for installing the hole saw.
The existing hole saw shaft needs to consume large force to pull the hole saw down when the hole saw is replaced, energy is consumed, and the hole saw is inconvenient to replace.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hole saw is quick change device for axle to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a hole saw is quick change device for axle, includes hole saw axle main part, hole saw axle main part bottom is main to be regarded as handstand "concave" shape structure, and upward view as circular structure, hole saw axle main part bottom opening internal connection has the anchor block, and the anchor block appearance is identical with hole saw axle main part bottom opening internal shape, the inside gomphosis of hole saw axle main part bottom opening is connected porose axle spliced pole, and hole saw axle connected pole owner regards as "protruding" shape structure to hole saw axle connected pole is overlooked and is regarded as circular structure, hole saw axle spliced pole is the metal material, and hole saw axle connected pole top appearance is identical with hole saw axle main part opening internal shape, the anchor block is the magnet material, and the anchor block bottom is connected with porose axle spliced pole, hole saw axle connected pole bottom external connection has the hole saw main part.
As a further aspect of the present invention: connecting through holes are formed in two sides of an opening in the bottom of the hole saw shaft main body, and bolts penetrate through the 2 connecting through holes.
As a further aspect of the present invention: a limiting through hole is formed in the upper portion of the hole saw shaft connecting column, and a bolt penetrates through the limiting through hole and is connected with the hole saw shaft connecting column.
As a further aspect of the present invention: the cross sections of the limiting through hole, the plug pin and the connecting through hole are all rectangular structures, and the maximum length and width of the limiting through hole, the plug pin and the connecting through hole are equal.
As a further aspect of the present invention: the length of the bolt is equal to the maximum length between the connecting through holes, and one end of the bolt is of a frustum pyramid structure.
As a further aspect of the present invention: the outer part of the far-end frustum pyramid-shaped end of the bolt is connected with a pull ring, the pull ring is of a semicircular structure, and the diameter of the pull ring is larger than the maximum length and width of the cross section of the bolt.
Compared with the prior art, the beneficial effects of the utility model are that: this quick conversion equipment is used to hole saw axle can be comparatively convenient quick change hole saw, improves hole saw and changes efficiency. This hole saw is quick change device for axle can tentatively fix a position according to hole saw axle main part bottom opening and the gomphosis of hole saw hub connection post top, and the reinforcing block can attract together fixedly through magnetism and hole saw axle hub connection post to convenient quick different hole saw main parts of change improve change efficiency.
Drawings
FIG. 1 is a schematic view of a quick change device for a hole saw arbor;
FIG. 2 is a schematic front view of a hole saw arbor body of the rapid-change device for a hole saw arbor;
FIG. 3 is a schematic front view of a latch of the quick change device for a hole saw arbor;
FIG. 4 is a schematic structural diagram of a hole saw arbor connection post in a front view of a quick changer for a hole saw arbor;
FIG. 5 is a schematic side view of a rapid transformation device for a hole saw arbor;
FIG. 6 is a schematic top view of a hole saw arbor connecting post of the quick change device for a hole saw arbor;
fig. 7 is a bottom view of the hole saw arbor body of the quick-change device for a hole saw arbor.
In the figure: 1. hole saw axle main part, 2, reinforcing block, 3, pull ring, 4, spacing through-hole, 5, hole saw axle connecting post, 6, hole saw main part, 7, bolt, 8, connect the through-hole.
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 to 7, in an embodiment of the present invention, a fast transformation device for a hole saw shaft comprises a hole saw shaft main body 1, wherein the bottom of the hole saw shaft main body 1 is mainly regarded as an inverted concave structure, and is regarded as a circular structure, two sides of the bottom opening of the hole saw shaft main body 1 are both provided with a connecting through hole 8, and 2 connecting through holes 8 are all connected with a bolt 7, the structure enables the bolt 7 to be inserted into the connecting through hole 8 and transversely penetrate two sides of the bottom opening of the hole saw shaft main body 1, a limiting through hole 4 is formed above the hole saw shaft connecting column 5, and the bolt 7 penetrates through the limiting through hole 4, the structure enables the bolt 7 to transversely penetrate through the limiting through hole 4 to connect the hole saw shaft connecting column 5 and the hole saw shaft main body 1, so that the hole saw shaft connecting column 5 and the hole saw shaft main body 1 are connected more firmly, the cross sections of the limiting through hole 4, the bolt, the maximum length and width of the limiting through hole 4, the bolt 7 and the connecting through hole 8 are equal, the bolt 7 cannot rotate in the limiting through hole 4 and the connecting through hole 8 due to the structure, the length of the bolt 7 is equal to the maximum length between the 2 connecting through holes 8, one end of the bolt 7 is of a frustum pyramid structure, the frustum end of the bolt 7 can be conveniently and rapidly inserted into the limiting through hole 4 and the connecting through hole 8 due to the small size, the pull ring 3 is connected to the outer part of the frustum end of the bolt 7, the pull ring 3 is of a semicircular structure, the diameter of the pull ring 3 is larger than the maximum length and width of the cross section of the bolt 7, the semicircular structure cannot enter the connecting through hole 8 and can be attached to the outer side of the hole saw shaft main body 1 to limit the bolt 7, a user can conveniently apply force, the reinforcing block 2 is connected to the inner part of the bottom opening of the hole, the shape of the reinforcing block 2 is matched with the inner shape of the bottom opening of the hole saw shaft main body 1, the hole saw shaft connecting column 5 is connected with the inner portion of the bottom opening of the hole saw shaft main body 1 in an embedded mode, the hole saw shaft connecting column 5 is mainly of a convex structure, the hole saw shaft connecting column 5 is of a circular structure when being overlooked, the hole saw shaft connecting column 5 is made of metal materials, the top shape of the hole saw shaft connecting column 5 is matched with the inner shape of the opening of the hole saw shaft main body 1, the reinforcing block 2 is made of magnet materials, the bottom of the reinforcing block 2 is connected with the hole saw shaft connecting column 5, the hole saw shaft connecting column 5 is externally connected with the bottom end of the hole saw shaft connecting column 6, the hole saw main body 6 can be fixed in the opening of the bottom of the hole saw shaft main body 1 in an embedded mode through the hole saw shaft connecting column 5 at the top.
The utility model discloses a theory of operation is: when using this quick conversion equipment for hole saw axle, if need change the hole saw main part 6 of different shapes, then can collude the finger on pull ring 3 earlier, then take out bolt 7 from connect through hole 8 and spacing through-hole 4, then drag hole saw axle connecting post 5 downwards, it is until hole saw axle connecting post 5 complete break away from the bottom opening of hole saw axle main part 1 with reinforcing block 2 separation to make 5 tops of hole saw axle connecting post 5, then take out the hole saw axle connecting post 5 that the bottom is connected with the hole saw main part 6 of demand, it can to repeat above-mentioned step with the direction in the hole saw axle main part 1 bottom opening to block 5 tops of new hole saw axle connecting post, thereby accomplish the change to hole saw main part 6.
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 or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a hole saw is quick change device for axle, includes hole saw axle main part (1), its characterized in that: the bottom of the hole saw shaft main body (1) is mainly regarded as an inverted concave structure, and the bottom is regarded as a round structure, the inside of the opening at the bottom end of the hole saw shaft main body (1) is connected with a reinforcing block (2), the shape of the reinforcing block (2) is matched with the inner shape of the opening at the bottom end of the hole saw shaft main body (1), the inner part of the opening at the bottom end of the hole saw shaft main body (1) is embedded and connected with a hole saw shaft connecting column (5), and the hole saw shaft connecting column (5) is mainly regarded as a convex structure, the hole saw shaft connecting column (5) is of a circular structure in plan view, the hole saw shaft connecting column (5) is made of metal materials, the top shape of the hole saw shaft connecting column (5) is matched with the inner shape of the opening of the hole saw shaft main body (1), the reinforcing block (2) is made of a magnet material, and the bottom of the reinforcing block (2) is connected with a hole saw shaft connecting column (5), and the outer part of the bottom end of the hole saw shaft connecting column (5) is connected with a hole saw main body (6).
2. A quick change device for a hole saw arbor as defined in claim 1, wherein: connecting through holes (8) are formed in two sides of an opening in the bottom of the hole saw shaft main body (1), and bolts (7) are connected into the 2 connecting through holes (8) in a penetrating mode.
3. A quick change device for a hole saw arbor as defined in claim 2, wherein: a limiting through hole (4) is formed in the upper portion of the hole saw shaft connecting column (5), and a bolt (7) penetrates through the limiting through hole (4).
4. The rapid hole saw arbor changing device of claim 3, wherein: the cross sections of the limiting through holes (4), the bolts (7) and the connecting through holes (8) are all rectangular structures, and the maximum lengths and the widths of the limiting through holes (4), the bolts (7) and the connecting through holes (8) are equal.
5. The hole saw arbor quick-change device of claim 4, wherein: the length of the bolt (7) is equal to the maximum length between the 2 connecting through holes (8), and one end of the bolt (7) is of a frustum pyramid structure.
6. The hole saw arbor quick-change device of claim 5, wherein: the outer portion of the far-end frustum pyramid-shaped end of the plug pin (7) is connected with a pull ring (3), the pull ring (3) is of a semicircular structure, and the diameter of the pull ring (3) is larger than the maximum length and width of the cross section of the plug pin (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411705.7U CN210305900U (en) | 2019-08-28 | 2019-08-28 | Quick conversion device for hole saw shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411705.7U CN210305900U (en) | 2019-08-28 | 2019-08-28 | Quick conversion device for hole saw shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210305900U true CN210305900U (en) | 2020-04-14 |
Family
ID=70131656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921411705.7U Active CN210305900U (en) | 2019-08-28 | 2019-08-28 | Quick conversion device for hole saw shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210305900U (en) |
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2019
- 2019-08-28 CN CN201921411705.7U patent/CN210305900U/en active Active
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