CN217345375U - Quick-mounting connector of oscillating saw blade - Google Patents
Quick-mounting connector of oscillating saw blade Download PDFInfo
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- CN217345375U CN217345375U CN202221467687.6U CN202221467687U CN217345375U CN 217345375 U CN217345375 U CN 217345375U CN 202221467687 U CN202221467687 U CN 202221467687U CN 217345375 U CN217345375 U CN 217345375U
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- positioning hole
- hole
- locating hole
- outer positioning
- centre bore
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Abstract
The utility model discloses a fast-assembling interface of swing saw bit, including connecting portion, be equipped with centre bore, interior locating hole and outer locating hole on the connecting portion, interior locating hole is around the setting of centre bore edge and link up mutually with the centre bore, outer locating hole uses the centre of a circle of centre bore to encircle the centre bore setting as the centre bore, distance between outer locating hole and the centre bore is greater than the distance in interior locating hole and centre bore, do not communicate between outer locating hole and the interior locating hole, outer locating hole includes first outer locating hole and the outer locating hole of second. The utility model discloses have the multiunit locating hole, can adapt to the demand of not unidimensional driving piece, increased the flexibility of device.
Description
Technical Field
The utility model belongs to the technical field of the saw bit connecting piece, concretely relates to fast-assembling interface of swing saw bit.
Background
The multifunctional machine is a hand-held swing power tool which is common in the industry, and the working principle of the multifunctional machine is that an output shaft does swing motion around the axis of the output shaft. Therefore, after the user installs different work piece interfaces on the free end of output shaft, like behind straight saw bit, circular saw blade, triangle-shaped dull polish dish, the shovel type scraper, can realize multiple different operating function, like saw, cut, grind, scrape etc. to adapt to different work demands.
The utility model discloses an application number is 2011205316591 chinese utility model patent discloses a better pendulum-type instrument working head of commonality, be equipped with on the working head and be used for being connected fixed installation interface and the function end that links into an integrated entity with the installation interface with the mounting on the pendulum-type instrument, set up a connection socket that link up mutually with the exterior space of working head on the installation interface, still be equipped with and use the output shaft axis as the centre of a circle, circumference interval 30 equipartitions, can embolia at least 7 indent hollow areas of the spacing post of inboard on the output shaft flange, its characterized in that: at least 3 outer hollow areas which are circumferentially and uniformly distributed and can be sleeved into outer limiting columns on an output shaft flange are arranged on the outer sides of the inner hollow areas of the working head mounting interfaces, wherein the outer hollow areas take the axis of the output shaft as the center of a circle. There is certain defect in above-mentioned patent scheme, as shown in fig. 2, when the equipment, the indent region on the working head is connected with spacing post 9 on the output shaft 8, but the indent region on the working head is fixed, and the indent region forms an annular structure, and spacing post 9 is whole also to form an annular structure, but if meet the indent region and spacing post model mismatch, then need to change the working head, and it is more troublesome to change to look for.
SUMMERY OF THE UTILITY MODEL
For solving the problem, the utility model provides a fast-assembling interface of swing saw bit, including connecting portion, be equipped with centre bore, interior locating hole and outer locating hole on the connecting portion, interior locating hole sets up around the centre bore edge and link up mutually with the centre bore, the centre of a circle that outer locating hole used the centre bore encircles the centre bore setting as the centre of a circle, distance between outer locating hole and the centre bore centre of a circle is greater than the distance in interior locating hole and centre bore centre of a circle, do not communicate between outer locating hole and the interior locating hole, outer locating hole includes first outer locating hole and the outer locating hole of second.
Preferably, the diameter of the first outer positioning hole is different from that of the second outer positioning hole, and the first outer positioning hole and the second outer positioning hole are both circular and are mutually communicated to form a gourd-shaped structure.
Preferably, the diameters of the inner positioning hole, the first outer positioning hole and the second outer positioning hole are different.
Preferably, the connecting portion is further provided with a notch groove, the notch groove is communicated with the central hole, two sides of the notch groove are formed, and the angle formed by the two sides ranges from 30 degrees to 45 degrees.
Preferably, the diameter ratio of the first outer positioning hole to the second outer positioning hole is 1.3: 1.1.
the utility model has the advantages that:
1. the utility model discloses be equipped with first outer locating hole and the outer locating hole of second and interior locating hole, the locating hole through the multiunit model matches the drive shaft of different models and spacing post thereof, can increase this device application scope, has avoided the work of changing and the interface of looking for corresponding model.
2. In the scheme, the contact surfaces of the inner positioning hole, the outer positioning hole and the limiting column are of circular structures, so that stress concentration can be effectively avoided.
Drawings
FIG. 1 is a view of the structure of the present invention;
FIG. 2 is a drive shaft and limit post configuration;
FIG. 3 shows a first embodiment of the interface and spacer combination of the present invention;
FIG. 4 shows a second embodiment of the interface and post assembly of the present invention;
FIG. 5 shows a third embodiment of the interface and post assembly of the present invention;
in the figure: the flange comprises a connecting part 1, a central hole 2, an inner positioning hole 3, a first outer positioning hole 4, a second outer positioning hole 5, a notch groove 6, a side edge 7, a driving shaft 8, a limit column 9 and a flange plate 10.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
As shown in fig. 1-3, a quick-mounting interface for a swing saw blade comprises a connecting portion 1, a central hole 2, an inner positioning hole 3 and an outer positioning hole are arranged on the connecting portion 1, the inner positioning hole 3 is arranged around the edge of the central hole and communicated with the central hole 2, the outer positioning hole is arranged around the central hole 2 with the center of the central hole 2 as the center, the distance between the outer positioning hole and the center of the central hole 2 is larger than the distance between the inner positioning hole and the center of the central hole 2, the outer positioning hole is not communicated with the inner positioning hole 3, the outer positioning hole comprises a first outer positioning hole 4 and a second outer positioning hole 5, the first outer positioning hole 4 and the second outer positioning hole 5 are circular and are communicated with each other to form a gourd-shaped structure, the diameter of the first outer positioning hole 4 is 2.6mm, the diameter of the second outer positioning hole 5 is 2.2mm, a driving shaft 8 and a limiting column 9 are shown in fig. 2, a flange 10 is arranged on the driving shaft 8, spacing post 9 evenly locates on ring flange 10, when the equipment, spacing post 9 on drive shaft 8 and the ring flange 10 wears to locate on centre bore 2 and first outer locating hole 4, as shown in fig. 3, the model of spacing post 9 is the assorted with the model of first outer locating hole 4 in this embodiment, distance between first outer locating hole 4 and the centre bore 2 is the same with spacing post 9 to the distance between the centre bore 2, wear to establish after, the top and the connecting portion 1 of locking drive shaft 8 through the retaining member, the bottom of drive shaft 8 is connected with driving motor, driving motor drive shaft 8, drive shaft 8 drives connecting portion 1 and rotates. Interior locating hole 3 in this embodiment and outer locating hole are circular structure with spacing post 9's contact surface, compare square structure in the conventional art, and circular can effectively avoid stress concentration, promotes connecting portion 1's mechanical strength. The utility model discloses be equipped with first outer locating hole 4 and second outer locating hole 5 and interior locating hole 3, the locating hole through the multiunit model matches the drive shaft 8 of different models and spacing post 9 thereof, can increase this device application scope, has avoided changing and the work of looking for the interface that corresponds the model. Still be equipped with breach groove 6 on connecting portion 1, breach groove 6 link up with centre bore 2 mutually, and the both sides of breach groove 6 are formed with two sides 7, and the angle scope that two sides 7 formed is 30~45, and breach groove 6 is for with partial special drive shaft 8 and flange dish 10 assorted, and the effect that provides the moment of torsion can also be played in the structure cooperation of breach groove 6 side 7 and spacing post 9 and the like.
Example 2
As shown in fig. 1-2 and 4, a quick mount for a wobble blade, this embodiment has the same parts as embodiment 1 except that: the type of the limiting column 9 in the embodiment is matched with the type of the second outer positioning hole 5, and the distance between the second outer positioning hole 5 and the central hole 2 is the same as the distance between the limiting column 9 and the central hole 2.
Example 3
As shown in fig. 1-2 and 5, a quick mount for a wobble blade, this embodiment has the same parts as embodiment 1 except that: the type of the limiting column 9 in the embodiment is matched with the type of the inner positioning hole 3, and the distance between the inner positioning hole 3 and the center of the center hole 2 is the same as the distance between the limiting column 9 and the center of the center hole 2.
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 (5)
1. The utility model provides a fast-assembling interface of swing saw bit which characterized in that: the connecting part comprises a connecting part (1), wherein a center hole (2), an inner positioning hole (3) and an outer positioning hole are formed in the connecting part (1), the inner positioning hole (3) is arranged around the edge of the center hole (2) and communicated with the center hole (2), the outer positioning hole is arranged around the center hole (2) by taking the circle center of the center hole (2) as the circle center, the distance between the outer positioning hole and the circle center of the center hole (2) is larger than the distance between the inner positioning hole (3) and the circle center of the center hole (2), the outer positioning hole is not communicated with the inner positioning hole (3), and the outer positioning hole comprises a first outer positioning hole (4) and a second outer positioning hole (5).
2. The quick mount interface for a swinging saw blade as defined in claim 1, wherein: the diameter of the first outer positioning hole (4) is different from that of the second outer positioning hole (5), and the first outer positioning hole (4) and the second outer positioning hole (5) are circular and are communicated with each other to form a gourd-shaped structure.
3. The quick mount interface for a swinging saw blade as defined in claim 2, wherein: the diameters of the inner positioning hole (3) and the first outer positioning hole (4) and the second outer positioning hole (5) are different.
4. The quick mount interface for a swinging saw blade as defined in claim 3, wherein: still be equipped with breach groove (6) on connecting portion (1), breach groove (6) link up with centre bore (2) mutually, the both sides of breach groove (6) are formed with two sides (7), two the angle scope that side (7) formed is 30~ 45.
5. The quick mount interface for a swinging saw blade as defined in claim 4, wherein: the diameter ratio of the first outer positioning hole (4) to the second outer positioning hole (5) is 1.3: 1.1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221467687.6U CN217345375U (en) | 2022-06-14 | 2022-06-14 | Quick-mounting connector of oscillating saw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221467687.6U CN217345375U (en) | 2022-06-14 | 2022-06-14 | Quick-mounting connector of oscillating saw blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217345375U true CN217345375U (en) | 2022-09-02 |
Family
ID=83038195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221467687.6U Active CN217345375U (en) | 2022-06-14 | 2022-06-14 | Quick-mounting connector of oscillating saw blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217345375U (en) |
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2022
- 2022-06-14 CN CN202221467687.6U patent/CN217345375U/en active Active
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