CN204640168U - Electric tool functional head - Google Patents
Electric tool functional head Download PDFInfo
- Publication number
- CN204640168U CN204640168U CN201520255599.3U CN201520255599U CN204640168U CN 204640168 U CN204640168 U CN 204640168U CN 201520255599 U CN201520255599 U CN 201520255599U CN 204640168 U CN204640168 U CN 204640168U
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- electric tool
- centre bore
- hole
- hole portion
- spacing hole
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The utility model relates to a kind of electric tool functional head, has body, and body comprises working end and coupling part; Described coupling part is provided with the mounting interface that can be connected with electric tool output shaft, mounting interface and electric tool output shaft corresponding matching; Described mounting interface comprises a centre bore and four locating holes around the distribution of centre bore even circumferential; The edge of described centre bore is provided with four with centre hole axis wire diameter to outward extending tooth mouth; A locating hole is equipped with between described tooth mouth and tooth mouth; The side in described locating hole adjacent center hole offers the straight trough mouth be communicated with centre bore.The electric tool that the adaptation that the utility model energy is good is most on the market, highly versatile, result of use is good.
Description
Technical field
The utility model relates to power tool accessory, particularly a kind of electric tool functional head.
Background technology
Electric tool is swing tool again, work requirements such as can realizing sawing by the different functional head (as: straight blade, saw blade, triangle frosted dish, scraper etc.) of assembling, cut, grind, scrape.Electric tool is widely used because it can meet different needs of work.
Electric tool is in order to meet different needs of work, and functional head and electric tool are detachable connections, and functional head is all achieved a fixed connection by locating hole and locking nut.These functional heads are generally be arranged on the output shaft of swing tool by lock-screw.But the swing tool model on market is various, and the part format that its output shaft docks with functional head is also various, how realizing on swing tool that a functional head can be used for Multiple Type is the problem that we need to solve.Simultaneously in order to ensure versatility, there is certain gap when connecting in functional head, is easily subjected to displacement, affects result of use and service life.
Utility model content
The purpose of this utility model is to provide a kind of highly versatile, effectively can solve the electric tool functional head of displacement after connecting.
The technical scheme realizing the utility model object is: the utility model has body, and body comprises working end and coupling part; Described coupling part is provided with the mounting interface that can be connected with electric tool output shaft, mounting interface and electric tool output shaft corresponding matching; Described mounting interface comprises a centre bore and four locating holes around the distribution of centre bore even circumferential; The edge of described centre bore is provided with four with centre hole axis wire diameter to outward extending tooth mouth; A locating hole is equipped with between described tooth mouth and tooth mouth; The side in described locating hole adjacent center hole offers the straight trough mouth be communicated with centre bore.
Above-mentioned 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 centre hole axis line radial displacement; Described rotary spacing hole portion is communicated with into a locating hole with radial spacing hole portion.
Above-mentioned locating hole comprises two and is symmetrical arranged and is connected two rotary spacing hole portions with one and the radial spacing hole portion extended with the rotation of centre bore axis with centre hole axis wire diameter to the rotary spacing hole portion extended.
Above-mentioned locating hole is concave character type; Described two rotary spacing holes portion is linked together by radial spacing hole portion near one end of centre bore; The side in adjacent center hole, described radial spacing hole portion offers the straight trough mouth be communicated with centre bore.
On above-mentioned each tooth mouth, each locating hole, the center in rotary spacing hole portion is equipped with positioning round orifice, and each positioning round orifice is all equally spaced around centre bore circumference.
The utility model has positive effect: mounting interface highly versatile in (1) the utility model, can adapt to electric tools most on the market, practical; (2) in the utility model, locating hole can well prevent functional head displacement by rotary spacing hole portion and radial spacing hole portion, improves serviceability and service life; (3) positioning round orifice in the utility model, can improve limit effect further, ensures serviceability and improves service life.
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 coupling part 2 is provided with the mounting interface 3 that can be connected with electric tool output shaft, mounting interface 3 and electric tool output shaft corresponding matching; Described mounting interface 3 comprises a centre bore 31 and four locating holes 32 around the distribution of centre bore 31 even circumferential; The edge of described centre bore 31 is provided with four with centre hole axis wire diameter to outward extending tooth mouth 31-1; A locating hole 32 is equipped with between described tooth mouth 31-1 and tooth mouth 31-1; Described locating hole 32 comprises two and is symmetrical arranged and is connected two rotary spacing hole portion 32-1s and the radial spacing hole portion 32-2 that with centre bore axis rotation extend to the rotary spacing hole portion 32-1 extended with one with centre hole axis wire diameter; Described locating hole 32 is in concave character type; Described two rotary spacing hole portion 32-1 are joined together to form locating hole 32 near one end of centre bore 31 by radial spacing hole portion 32-2; The side in described radial spacing hole portion 32-2 adjacent center hole 31 offers the straight trough mouth 33 be communicated with centre bore 31.
On described each tooth mouth 31-1, each locating hole 32, the center of rotary spacing hole portion 32-1 is equipped with positioning round orifice 34, and each positioning round orifice 34 is all equally spaced around centre bore circumference.
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 (5)
1. an electric tool functional head, has body, and body comprises working end (1) and coupling part (2); Described coupling part (2) is provided with the mounting interface (3) that can be connected with electric tool output shaft, mounting interface (3) and electric tool output shaft corresponding matching; It is characterized in that: described mounting interface (3) comprises a centre bore (31) and four locating holes (32) around the distribution of centre bore (31) even circumferential; The edge of described centre bore (31) is provided with four with centre hole axis wire diameter to outward extending tooth mouth (31-1); A locating hole (32) is equipped with between described tooth mouth (31-1) and tooth mouth (31-1); The side in described locating hole (32) adjacent center hole (31) offers the straight trough mouth (33) be communicated with centre bore (31).
2. electric tool functional head according to claim 1, is characterized in that: described locating hole (32) comprises the rotary spacing hole portion (32-1) that can limit body rotation displacement and can limit body with the radial spacing hole portion (32-2) of centre hole axis line radial displacement; Described rotary spacing hole portion (32-1) is communicated with into a locating hole (32) with radial spacing hole portion (32-2).
3. electric tool functional head according to claim 2, is characterized in that: described locating hole (32) comprises two and is symmetrical arranged and is connected two rotary spacing holes portion (32-1) with one and the radial spacing hole portion (32-2) extended with the rotation of centre bore axis with centre hole axis wire diameter to the rotary spacing hole portion (32-1) extended.
4. electric tool functional head according to claim 3, is characterized in that: described locating hole (32) is in concave character type; Described two rotary spacing holes portion (32-1) are linked together by radial spacing hole portion (32-2) near one end of centre bore (31); The side of described radial spacing hole portion (32-2) adjacent center hole (31) offers the straight trough mouth (33) be communicated with centre bore (31).
5. electric tool functional head according to claim 4, it is characterized in that: the center in described each tooth mouth (31-1), the upper rotary spacing hole portion (32-1) of each locating hole (32) is equipped with positioning round orifice (34), and each positioning round orifice (34) is all equally spaced around centre bore circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255599.3U CN204640168U (en) | 2015-04-24 | 2015-04-24 | Electric tool functional head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255599.3U CN204640168U (en) | 2015-04-24 | 2015-04-24 | Electric tool functional head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204640168U true CN204640168U (en) | 2015-09-16 |
Family
ID=54092948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520255599.3U Active CN204640168U (en) | 2015-04-24 | 2015-04-24 | Electric tool functional head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204640168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340325A (en) * | 2018-04-10 | 2018-07-31 | 海联锯业科技有限公司 | High intensity communication type diplopore interface |
-
2015
- 2015-04-24 CN CN201520255599.3U patent/CN204640168U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340325A (en) * | 2018-04-10 | 2018-07-31 | 海联锯业科技有限公司 | High intensity communication type diplopore interface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |