CN2767074Y - Hand-held direct current electric tool rotating mechanism - Google Patents
Hand-held direct current electric tool rotating mechanism Download PDFInfo
- Publication number
- CN2767074Y CN2767074Y CN 200520039174 CN200520039174U CN2767074Y CN 2767074 Y CN2767074 Y CN 2767074Y CN 200520039174 CN200520039174 CN 200520039174 CN 200520039174 U CN200520039174 U CN 200520039174U CN 2767074 Y CN2767074 Y CN 2767074Y
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- rotating mechanism
- rotating
- base plate
- fixed
- ring
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Abstract
The utility model discloses a rotating mechanism of a hand-held direct current electric tool. The utility model is characterized in that the rotating mechanism comprises a rotating footstock connected with the body of the electric tool, wherein the tail of the body of the electric tool is designed into a step shaft with a large upper part and a small lower part, and the step shaft is respectively sheathed with two conducting rings. A bottom board and a rotating ring fastened to the bottom board are arranged in the rotating footstock. The rotating ring is sheathed on the conducting rings. Two terminal holes are formed on the side wall of the rotating ring. Two terminals for power supplies are respectively fixed on the bottom board. One end of each of the terminals for power supplies is fastened to the bottom board, and the other end extends into the rotating ring to reliably contact the conducting rings through the terminal holes. In the rotating mechanism of an electric tool of the utility model, the rotating footstock can drive a battery pack to rotate clockwise or counter-clockwise around the body within the range of 360 DEG. As a result, the working space of electric drills can be effectively saved. The utility model is suitable for some special workplaces.
Description
Technical field
The utility model relates to field of power tools, specifically, is the rotating mechanism about a kind of hand-held direct current electric power tools.
Background technology
The chargeable electric drill of hand-held commonly used at present owing to characteristics such as it conveniently are suitable for, is greatly favored by consumers; But normally fix between its power brick and the fuselage, thereby at some narrow working spaces, this has limited the use of electric drill.In order to overcome this shortcoming, industry has been developed some new products, and the relative fuselage of its power brick can rotate.But still there is defective in these products, because the angle of its rotation is 180 or 270 degree, simultaneously, also there is a potential shortcoming in it, be exactly after using for a long time, its rotation gear block easy deformation lost efficacy, thereby made power brick when rotation is spent above 180, can cause the switch inside line to follow the power brick rotation, cause the connection of internal switch line to come off.
At present existing 360 degree rotation schemes are less, and that can find all is provided with the conduction rotating shaft, and with addendum cone termination contact conduction, the addendum cone terminal is made up of hard contact, spring and lead during the rotating shaft rotation, and complex structure is difficult to realization.
Summary of the invention
The purpose of this utility model just is to overcome the existing chargeable electric drill of hand-held above-mentioned shortcoming structurally, thereby provides a kind of simple in structure, reliable, can make the rotating mechanism of the hand-held direct current electric power tools of the unrestricted rotation of relative fuselage 360 degree of power brick.
In order to achieve the above object, the utility model adopts following technical scheme: the rotating mechanism of hand-held direct current electric power tools of the present utility model comprises a rotation tailstock that is connected with the fuselage of electric tool; Wherein the afterbody of the fuselage of this electric tool is made as up big and down small multidiameter, is with two conducting rings on this multidiameter respectively; The inside of this rotation tailstock is provided with a base plate and and is fixed in rotating ring on the base plate, and this rotating ring is placed in the outside of described conducting ring, and offers two terminal holes on its sidewall; Be fixed with two power supply terminals on this base plate respectively, an end of this power supply terminal is fixed on the base plate, and the other end then puts in rotating ring by terminal hole and reliably contacts with conducting ring respectively.
The rotating mechanism of hand-held direct current electric power tools of the present utility model, when the rotation power brick, power brick driven rotary tailstock, and the rotating ring that the rotation tailstock drives on it rotates, and simultaneously, rotating ring drives two positive and negative power supply terminals that contact with conducting ring and rotates around conducting ring, because during rotation, the positive and negative power supply terminal rotates around the conducting ring outer surface, and its electric current there is no disconnection, and electric tool is operate as normal still.When the rotation power brick made place kick fall into locating hole, the expression power brick was rotated in place, thereby power brick is fixed in this position in addition, when needing to rotate power brick again, only need overcome the elastic force of spring, and making place kick break away from this locating hole can.Because its slewing area of the utility model is 360 degree, direction of rotation can be for clockwise or counterclockwise.Like this, make electric drill can save working space effectively, thereby be suitable for some more special workplaces.
Description of drawings
Fig. 1 is the internal structure schematic diagram of the rotating mechanism of hand-held direct current electric power tools of the present utility model;
Fig. 2 is a longitudinal profile schematic diagram of the present utility model;
Fig. 3 is the generalized section along A-A of Fig. 2;
Fig. 4 is a user mode perspective exploded view of the present utility model;
Fig. 5 is the enlarged diagram figure at B place among Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described with specific embodiment.
Shown in Fig. 1-5, the rotating mechanism of hand-held direct current electric power tools of the present utility model comprises a rotation tailstock 1 that is connected with the fuselage 2 of electric tool; Wherein the afterbody of the fuselage 2 of this electric tool is made as up big and down small multidiameter 21,22, is with two conducting rings 7,8 (Fig. 5) on this multidiameter 21,22 respectively;
As shown in Figure 5, the inside of this rotation tailstock 1 is provided with a base plate 3 and and is fixed in rotating ring 4 on the base plate 3, and this rotating ring 4 is placed in the outside (Fig. 1) of described conducting ring 7,8, and offers two terminal holes 41,42 on its sidewall; Be fixed with two power supply terminals 5,6 (both positive and negative polarity) on this base plate 3 respectively, an end of this power supply terminal is fixed on the base plate 3, and the other end then puts in rotating ring 4 by terminal hole 41,42 and reliably contacts with conducting ring 7,8 respectively.
As shown in Figure 5, offer a slit 23 on this multidiameter 21,22, and be respectively equipped with terminal 71,81 in this conducting ring 7,8, this terminal is stuck in the described slit 23, and open to both sides at the two ends of terminal 71,81, so that conducting ring 7,8 is fixed on the multidiameter 21,22.
Be respectively equipped with several fixing holes 51,61 on this power supply terminal 5,6, and the relevant position is respectively equipped with the bearing pin 31,32 of respective number on this base plate 3, in the present embodiment, described fixing hole and bearing pin are 2.This fixing hole 51,61 is placed on the bearing pin 31,32 so that power supply terminal 5,6 is fixed on the base plate 3.And the end that this power supply terminal 5,6 is fixed on the base plate 3 is bent into the rubber-like shape, so that it is more stable when contacting with power brick 9; And an end that puts in rotating ring 4 is splayed, can make it more reliable with contacting of conducting ring 7,8.
One pressing plate 10 is fixed in power supply terminal 5,6 on the base plate 3 with fixture (because area is less, fixedly be not easy to operation with screw herein, therefore, present embodiment adopts rivet to fix) by several set on it screws.
Be extended with a boss 33 from rotating ring 4 on this base plate 3, wherein be provided with a place kick 11 and a location spring 12, and by a screw 13 lockings; And conducting ring 8 is provided with positioning hole corresponding 82, and in the present embodiment, described locating hole 82 is three, is used for matching with fixing rotation tailstock 1 with place kick 11 and retainer spring 12.
This rotation tailstock 1 is made up of left and right sides two parts, and front and back respectively are provided with a screw 14,15, by fixture (screw) 16 two parts are connected and fixed, and the both sides that rotate tailstock 1 is respectively equipped with holddown groove 16, and power brick 9 is used to peg graft.
According to above structural design, when using electric tool of the present utility model, the holddown groove 16 that at first power brick 9 is plugged in rotation tailstock 1 both sides to be being fixed in power brick 9 bottom of rotation tailstock 1, and the both positive and negative polarity electrode of power brick 9 is connected with the positive and negative power supply terminal 5,6 of fuselage 2 respectively.When needs rotate power brick 9, can select arbitrarily to rotate clockwise or counterclockwise, during rotation power brick 9, power brick 9 drives rotating ring 4 rotations that are attached thereto, positive and negative power supply terminal 5,6 and the place kick 11 in the positioner that rotating ring 4 drives again on it are rotated around the conducting ring 7,8 that is fixed in fuselage 2 afterbodys, behind the position that reaches required rotation, locate by positioner.Its locate mode is: when rotation power brick 9 makes place kick 11 fall into locating hole 82 on the conducting ring 8, this moment, power brick 9 was rotated in place, the elastic force of place kick 11 dependence retainer springs 12 is pressed on the locating hole 82 on the conducting ring 8, thereby whole rotating mechanism is fixed in this position; When needing to rotate power brick 9 again, only need impose bigger power to overcome the elastic force of retainer spring 12, make place kick 11 break away from this locating hole 82 and get final product.Because the positive negative wire of fuselage 2 internal switches directly links to each other with the terminal 71,81 of conducting ring 7,8, does not disconnect between positive negative wire of switch and the conducting ring 7,8, so the rotation of power brick 9 can not have influence on the reliable connection of internal switch line.
In sum, the rotating mechanism of the utility model hand-held direct current electric power tools efficiently solves 360 of power brick 9 and spends the problem of unrestricted rotation, makes the user convenient in use, reliable.And make electric tool can save working space effectively, thereby be suitable for some more special workplaces.
Claims (7)
1, a kind of rotating mechanism of hand-held direct current electric power tools is characterized in that, this rotating mechanism comprises a rotation tailstock that is connected with the fuselage of electric tool;
Wherein the afterbody of the fuselage of this electric tool is made as up big and down small multidiameter, is with two conducting rings on this multidiameter respectively; The inside of this rotation tailstock is provided with a base plate and and is fixed in rotating ring on the base plate, this rotating ring is placed in the outside of described conducting ring, and be fixed with two power supply terminals respectively offering on its sidewall on two these base plates of terminal hole, one end of this power supply terminal is fixed on the base plate, and the other end then puts in rotating ring in the hole and reliably contacts with conducting ring respectively by holding.
2, rotating mechanism according to claim 1 is characterized in that, offers a slit on this multidiameter, and is respectively equipped with terminal in this conducting ring, and this terminal is stuck in the described slit, and open to both sides at the two ends of terminal.
3, rotating mechanism according to claim 1, it is characterized in that, be respectively equipped with several fixing holes on the described power supply terminal, and the relevant position is respectively equipped with the bearing pin of respective number on this base plate, this fixing hole is placed on the bearing pin and power supply terminal is fixed on the base plate.
4, rotating mechanism according to claim 1 is characterized in that, the end that described power supply terminal is fixed on the base plate is bent into the rubber-like shape, and an end that puts in rotating ring is splayed.
5, rotating mechanism according to claim 1, it is characterized in that, be extended with a boss from rotating ring on this base plate, wherein be provided with a place kick and a location spring, and by fixture locking, and the position corresponding to place kick is provided with locating hole on the conducting ring.
6, rotating mechanism according to claim 1 is characterized in that, this rotation tailstock is made up of left and right sides two parts, and front and back respectively are provided with a screw, by fixture two parts are connected and fixed.
7, rotating mechanism according to claim 1 is characterized in that, the both sides of rotation tailstock are respectively equipped with the holddown groove of the power brick that is used to peg graft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520039174 CN2767074Y (en) | 2005-01-21 | 2005-01-21 | Hand-held direct current electric tool rotating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520039174 CN2767074Y (en) | 2005-01-21 | 2005-01-21 | Hand-held direct current electric tool rotating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2767074Y true CN2767074Y (en) | 2006-03-29 |
Family
ID=36680934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520039174 Expired - Fee Related CN2767074Y (en) | 2005-01-21 | 2005-01-21 | Hand-held direct current electric tool rotating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2767074Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078626A (en) * | 2016-08-17 | 2016-11-09 | 张家港市创基机械设备制造有限公司 | Battery bag rotating mechanism in hand held electric tool |
-
2005
- 2005-01-21 CN CN 200520039174 patent/CN2767074Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078626A (en) * | 2016-08-17 | 2016-11-09 | 张家港市创基机械设备制造有限公司 | Battery bag rotating mechanism in hand held electric tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |