CN204431210U - For the snap joint of swing tool - Google Patents
For the snap joint of swing tool Download PDFInfo
- Publication number
- CN204431210U CN204431210U CN201520013250.9U CN201520013250U CN204431210U CN 204431210 U CN204431210 U CN 204431210U CN 201520013250 U CN201520013250 U CN 201520013250U CN 204431210 U CN204431210 U CN 204431210U
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- Prior art keywords
- jointing holes
- holes
- jointing
- swing tool
- hole
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Abstract
The utility model relates to a kind of snap joint for swing tool, has body, and body comprises working end and coupling part; Described coupling part is provided with the mounting interface that can be connected with swing tool output shaft, and mounting interface comprises a jointing holes, a mounting hole and two special-shaped locating holes around the distribution of jointing holes circumference; One lateral edges of described jointing holes is provided with the opening be communicated with mounting hole; The aperture of described mounting hole is greater than the external diameter of the locking nut for locking swing tool output shaft and body; Described mounting hole and jointing holes form confined space; Described special-shaped locating hole comprises the rotary spacing hole portion that can limit body rotation displacement and can limit body with the radial spacing hole portion of jointing holes axis radial displacement.The utility model can realize quick position, highly versatile, good rigidly, and effectively can solve displacement problem.
Description
Technical field
The utility model relates to swing tool kit, particularly a kind of snap joint for swing tool.
Background technology
Swing tool can realize sawing by the different functional head (as: straight blade, saw blade, triangle frosted dish, scraper etc.) of assembling, cut, grind, the work requirements such as to scrape.Swing tool is widely used because it can meet different needs of work.Functional head is all generally be socketed on the output shaft of swing tool by mounting interface, then locks with locking nut.Such assembling mode needs locking nut to pull down completely, is assembling, convenient not.In order to improve the convenient degree of assembling, market there is the functional head with Fast Installation interface.Existing Fast Installation interface all has an openend, and therefore its rigidity is poor.Meanwhile, functional head after being connected with swing tool output shaft in use functional head be easily subjected to displacement, affect result of use and service life.
Utility model content
The purpose of this utility model is to provide one can realize Fast Installation, highly versatile, good rigidly, and effectively can solve the swing tool snap joint connecting rear displacement.
The technical scheme realizing the utility model object is: the utility model has body, and body comprises working end and coupling part; Described working end is sawing tool or cutlery or grinding tool or polishing tool; Described coupling part is provided with the mounting interface that can be connected with swing tool output shaft, mounting interface and swing tool output shaft corresponding matching; Described mounting interface comprises a jointing holes, a mounting hole and two special-shaped locating holes around the distribution of jointing holes circumference; One lateral edges of described jointing holes is provided with the opening be communicated with mounting hole, and the edge of jointing holes is also provided with three tooth mouths extended radially outwardly with jointing holes axis, equal ninety degrees apart angle between three tooth mouths and opening; The aperture of described mounting hole is greater than the external diameter of the locking nut for locking swing tool output shaft and body; Described mounting hole and jointing holes form confined space; Described special-shaped locating hole is arranged between tooth mouth and tooth mouth; Described special-shaped locating hole comprises the rotary spacing hole portion that can limit body rotation displacement and can limit body with the radial spacing hole portion of jointing holes axis radial displacement; Described rotary spacing hole portion is communicated with into a special-shaped locating hole with radial spacing hole portion.
Above-mentioned special-shaped locating hole comprises two and is symmetrical arranged and is connected two rotary spacing hole portions and the radial spacing hole portion extended with the rotation of jointing holes axis with the rotary spacing hole portion that jointing holes axis radial direction extends with one.
Above-mentioned special-shaped locating hole is concave character type; Described two rotary spacing holes portion is linked together by radial spacing hole portion near one end of jointing holes.
Above-mentioned mounting interface also comprises two locating holes around the distribution of jointing holes circumference; Described locating hole is arranged between tooth mouth and adjacent opening.
Above-mentioned jointing holes is square hole; The corner place of described jointing holes is equipped with a latch extended radially inwardly along jointing holes axis; The free end of described four latches is equal to the distance of jointing holes axis; Described three tooth mouths and opening are separately positioned on the four edges of jointing holes.
As distortion, above-mentioned jointing holes is octagon hole; Four non-conterminous limits of described jointing holes are equipped with a latch extended radially inwardly along jointing holes axis; Described latch is triangular in shape, and one of them angle is the free end of latch; The free end of described each latch is equal to the distance of jointing holes axis; Described three tooth mouths and opening are arranged on the four edges adjacent with latch respectively.
The utility model has positive effect: (1) the utility model utilizes mounting hole allow to pass through for the locking nut of locking body, by moving radially, that the output shaft of swing tool is moved to jointing holes internal fixtion is good again, so just eliminating when assembling the step pulling down locking nut, improve assembling speed and convenient degree; (2) in the utility model, jointing holes and mounting hole are confined space, which enhance the rigidity of coupling part; (3) special-shaped locating hole of the present utility model comprises rotary spacing hole portion and radial spacing hole portion, effectively can avoid the firm problem of connection caused because of displacement; (4) output shaft that in the utility model, latch can improve jointing holes and swing tool stings tightness, avoids offset phenomena further.
Accompanying drawing explanation
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is structural representation of the present utility model;
Fig. 2 is top view of the present utility model.
Detailed description of the invention
See Fig. 1 and Fig. 2, the utility model has body, and body comprises working end 1 and coupling part 2; Described working end 1 is sawing tool or cutlery or grinding tool or polishing tool; Described coupling part 2 is provided with the mounting interface 3 that can be connected with swing tool output shaft, mounting interface 3 and swing tool output shaft corresponding matching; Described mounting interface 3 comprises a jointing holes 31, mounting hole 32 and two special-shaped locating holes 33 around the distribution of jointing holes circumference; One lateral edges of described jointing holes 31 is provided with the opening 31-1 be communicated with mounting hole 32, and the edge of jointing holes 31 is also provided with three tooth mouth 31-2 extended radially outwardly with jointing holes axis, equal ninety degrees apart angle between three tooth mouth 31-2 and opening 31-1; The aperture of described mounting hole 32 is greater than the external diameter of the locking nut for locking swing tool output shaft and body; Described mounting hole 32 forms confined space with jointing holes 31; Described special-shaped locating hole 33 is arranged between tooth mouth 31-2 and tooth mouth 31-2; Described special-shaped locating hole 33, in concave character type, comprises two and to be symmetrical arranged and the rotary spacing hole portion 33-1 of limited to the body rotation displacement extended with jointing holes axis radial direction is connected two rotary spacing hole portion 33-1 with one and rotates limited to the body of extension with the radial spacing hole portion 33-2 of jointing holes axis radial displacement with jointing holes axis; Described two rotary spacing hole portion 33-1 are linked together by radial spacing hole portion 33-2 near one end of jointing holes 31; Described rotary spacing hole portion 33-1 is communicated with into a special-shaped locating hole 33 with radial spacing hole portion 33-2.
Described mounting interface 3 also comprises two locating holes 34 around the distribution of jointing holes circumference; Described locating hole 34 is arranged between tooth mouth 31-2 and adjacent opening 31-1.
Described jointing holes 31 is octagon hole; Four non-conterminous limits of described jointing holes 31 are equipped with a latch 31-3 extended radially inwardly along jointing holes axis; Described latch 31-3 is triangular in shape, and one of them angle is the free end of latch 31-3; The free end of described each latch 31-3 is equal to the distance of jointing holes axis; Described three tooth mouth 31-2 and opening 31-1 are arranged on the four edges adjacent with latch 31-3 respectively.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. for a snap joint for swing tool, have body, body comprises working end (1) and coupling part (2); Described working end (1) is sawing tool or cutlery or grinding tool or polishing tool; Described coupling part (2) is provided with the mounting interface (3) that can be connected with swing tool output shaft, mounting interface (3) and swing tool output shaft corresponding matching; It is characterized in that: described mounting interface (3) comprises a jointing holes (31), a mounting hole (32) and two special-shaped locating holes (33) around the distribution of jointing holes circumference; One lateral edges of described jointing holes (31) is provided with the opening (31-1) be communicated with mounting hole (32), the edge of jointing holes (31) is also provided with three tooth mouths (31-2) extended radially outwardly with jointing holes axis, equal ninety degrees apart angle between three tooth mouths (31-2) and opening (31-1); The aperture of described mounting hole (32) is greater than the external diameter of the locking nut for locking swing tool output shaft and body; Described mounting hole (32) and jointing holes (31) form confined space; Described special-shaped locating hole (33) is arranged between tooth mouth (31-2) and tooth mouth (31-2); Described special-shaped locating hole (33) comprises the rotary spacing hole portion (33-1) that can limit body rotation displacement and can limit body with the radial spacing hole portion (33-2) of jointing holes axis radial displacement; Described rotary spacing hole portion (33-1) is communicated with into a special-shaped locating hole (33) with radial spacing hole portion (33-2).
2. the snap joint for swing tool according to claim 1, is characterized in that: described special-shaped locating hole (33) comprises two and is symmetrical arranged and is connected two rotary spacing holes portion (33-1) and the radial spacing hole portion (33-2) extended with the rotation of jointing holes axis with the rotary spacing hole portion (33-1) that jointing holes axis radial direction extends with one.
3. the snap joint for swing tool according to claim 2, is characterized in that: described special-shaped locating hole (33) is in concave character type; Described two rotary spacing holes portion (33-1) are linked together by radial spacing hole portion (33-2) near one end of jointing holes (31).
4. the snap joint for swing tool according to claim 1 or 2 or 3, is characterized in that: described mounting interface (3) also comprises two locating holes (34) around the distribution of jointing holes circumference; Described locating hole (34) is arranged between tooth mouth (31-2) and adjacent opening (31-1).
5. the snap joint for swing tool according to claim 4, is characterized in that: described jointing holes (31) is square hole; The corner place of described jointing holes (31) is equipped with a latch extended radially inwardly along jointing holes axis (31-3); The free end of described four latches (31-3) is equal to the distance of jointing holes axis; Described three tooth mouths (31-2) and opening (31-1) are separately positioned on the four edges of jointing holes (31).
6. the snap joint for swing tool according to claim 4, is characterized in that: described jointing holes (31) is octagon hole; Four non-conterminous limits of described jointing holes (31) are equipped with a latch extended radially inwardly along jointing holes axis (31-3); Described latch (31-3) is triangular in shape, and one of them angle is the free end of latch (31-3); The free end of described each latch (31-3) is equal to the distance of jointing holes axis; Described three tooth mouths (31-2) and opening (31-1) are arranged on the four edges adjacent with latch (31-3) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520013250.9U CN204431210U (en) | 2015-01-08 | 2015-01-08 | For the snap joint of swing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520013250.9U CN204431210U (en) | 2015-01-08 | 2015-01-08 | For the snap joint of swing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204431210U true CN204431210U (en) | 2015-07-01 |
Family
ID=53599127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520013250.9U Active CN204431210U (en) | 2015-01-08 | 2015-01-08 | For the snap joint of swing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204431210U (en) |
-
2015
- 2015-01-08 CN CN201520013250.9U patent/CN204431210U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |