CN2451270Y

CN2451270Y - DC charging portable electric drill

Info

Publication number: CN2451270Y
Application number: CN 00240300
Authority: CN
Inventors: 陈颖
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-11-29
Filing date: 2000-11-29
Publication date: 2001-10-03
Anticipated expiration: 2010-11-29

Abstract

The utility model relates to a DC charging portable electric drill which comprises a big body, a rotating tailstock and a battery pack, wherein, the big body is connected with the rotating tailstock which is connected with the battery pack via a horizontal plug device. Because a structure that the rotating tailstock and the battery pack are connected via the horizontal plug device is used in the utility model, firm installation between the rotating tailstock and the battery pack can be guaranteed, looseness and drop are difficult to happen, contact resistance between a conducting clamp and a splicing sheet of the battery pack can be reduced, and the service lives of batteries are prolonged; in addition, because a rotating device is arranged between the rotating tailstock and the big body in the utility model, and the serviceable range of the utility model is increased. The utility model is a novel DC charging portable electric drill with the advantages of reasonable design, convenience, practicality and high safety.

Description

The DC charging electric portable drill

The utility model relates to a kind of hardware ﹠ tools, particularly a kind of DC charging electric portable drill.

Existing DC charging electric portable drill, the structure that general employing is longitudinally installed vertically between its power brick and the rotation tailstock, the shortcoming of its existence is that electric drill is more loosening between power brick and the electric drill bodice tailstock in the course of the work, even come off, this not only influences the normal use of electric drill, injure operating personnel by a crashing object but also can come off to fall down, its security reliability is relatively poor; In addition, becoming flexible between power brick and the electric drill bodice tailstock also can make power brick conducting strip and power brick patch loose contact between the sheet, so that its contact resistance increase, and the contact chip position easily generates heat, thereby influences the service life of power brick.

The purpose of this utility model is to consider the problems referred to above and a kind of firm installation of energy between power brick and the electric drill bodice tailstock of guaranteeing is provided, and is difficult for the DC charging electric portable drill of loose or dislocation.

Structural representation of the present utility model as shown in drawings, include bodice (1), rotation tailstock (2), power brick (3), wherein bodice (1) is connected with rotation tailstock (2), rotation tailstock (2) places on the power brick (3), and rotation tailstock (2) is connected by horizontal prefabricated card-inserting device with power brick (3).

Above-mentioned horizontal prefabricated card-inserting device includes locking buckle (4,4 '), shell fragment (5,5 '), grafting piece (6,6 ', 7,7 '), the piece (6 of wherein pegging graft, 6 ', 7,7 ') be installed in the both sides, top of power brick (3) respectively, locking buckle (4,4 ') top place grafting piece (6 respectively, 6 ') and grafting piece (7,7 ') between, the bottom is installed on the housing of power brick (3), shell fragment (5,5 ') place respectively the locking buckle (4,4 ') side, and touch with it, rotation tailstock (2) piece (6 that is provided with and pegs graft, 6 ', 7,7 ') corresponding inserting groove (8,8 '), and be provided with and lock buckle (4,4 ') corresponding lock slots (9,9 ').

Describe concrete structure of the present utility model in detail below in conjunction with accompanying drawing:

Fig. 1 is a stereogram of the present utility model;

Fig. 2 is the stereogram of power brick among Fig. 1 (3);

Fig. 3 is the vertical view of Fig. 2;

Fig. 4 is the A-A cutaway view of Fig. 3;

Fig. 5 is for rotating the stereogram of tailstock (2) among Fig. 1;

Fig. 6 is the upward view of Fig. 5;

Fig. 7 is the cutaway view of Fig. 5;

Fig. 8 is the vertical view of Fig. 7;

Fig. 9 is the stereogram of the utility model after rotating.

Structural representation of the present utility model as shown in Figure 1, include bodice (1), rotation tailstock (2), power brick (3), wherein bodice (1) is connected with rotation tailstock (2), rotation tailstock (2) places on the power brick (3), and rotation tailstock (2) is connected by horizontal prefabricated card-inserting device with power brick (3).Above-mentioned horizontal prefabricated card-inserting device includes locking buckle (4), shell fragment (5,5 ') grafting piece (6,6 ', 7,7 '), grafting piece (6,6 ', 7,7 ') be installed in the both sides, top of power brick (3) respectively, locking buckle (4,4 ') top place grafting piece (6 respectively, 6 ') and grafting piece (7,7 ') between, the bottom is installed on the housing of power brick (3), shell fragment (5,5 ') place respectively the locking buckle (4,4 ') side, and touch with it, rotation tailstock (2) piece (6 that is provided with and pegs graft, 6 ', 7,7 ') corresponding inserting groove (8,8 '), and be provided with and lock buckle (4,4 ') corresponding lock slots (9,9 ').For easy to process, above-mentioned lock slots (9,9 ') can be made at respectively on the location-plate (10,10 ') that is installed in rotation tailstock (2).The top of above-mentioned power brick (3) is provided with power brick and patches sheet (11,11 '), the corresponding power brick conductive clip (16,16 ') that is provided with of rotation tailstock (2).As Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6.In addition, for satisfying the use needs of different user, make this horizontal prefabricated card-inserting device more flexible and changeable, above-mentioned locking buckle (4,4 '), shell fragment (5,5 '), grafting piece (6,6 ', 7,7 ') can be arranged on the rotation tailstock (2), inserting groove (8,8 '), lock slots (9,9 '), location-plate (10,10 ') but then relative set on power brick (3).

For increasing the scope of application of the present utility model, the top of above-mentioned rotation tailstock (2) also is provided with whirligig, it includes locating ring (12), revolving part (13), retainer spring (14), place kick (15), wherein be provided with the elongated cylindrical hole in the revolving part (13), retainer spring (14) places in the elongated cylindrical hole, place kick (15) touches with retainer spring (14), and place the orifice end in elongated cylindrical hole, locating ring (12) is packed on the bodice (1), its both sides be respectively equipped with positioning boss (12 ', 12 "); locating ring (12) is nested with the outside in revolving part (13); can relatively rotate to each other, and locating ring (12) positioning boss (12 '; the position of 12 ") be provided with the corresponding location sphere (12A of place kick (15), 12B).For being controlled at, the rotating range that makes power brick is no more than 180 °, so that it had both satisfied need of work, do not influence the connection of lead again, the top of above-mentioned revolving part (13) also is provided with locating flange (13 '), bodice (1) is gone up the corresponding location semicircular ring (1 ') that is provided with, as Fig. 7, shown in Figure 8.

When the utility model is installed, bodice (1) is plugged on the rotation tailstock (2), rotation tailstock (2) by inserting groove (8,8 ') respectively plug-in card on grafting piece (6,6 ', 7,7 '), locking buckle (4,4 ') under the effect of shell fragment (5,5 ') and be locked on the lock slots (9,9 '), thereby realize rotating locking between tailstock (2) and the power brick (3).When need are transferred to power brick (3), then pressure-lock buckle (4,4 '), make it to overcome shell fragment (5,5 ') spring force and in move, leave lock slots (9,9 '), at this moment, can transfer to power brick (3).The utility model is in actual use as increasing its scope of application, then rotatable power brick (3), then its driven rotary tailstock (2) rotates, revolving part (13) in the rotation tailstock (2) drives place kick (15) and rotates together in rotation process, when the position that rotates to the set location sphere (12A) of place kick (15) and locating ring (12) is corresponding, then place kick (15) is inlaid into location sphere (12A), simultaneously, locating flange (13 ') in the revolving part (13) is run into the A end that bodice (1) is gone up set location semicircular ring (1 '), make power brick (3) fastening on this position, thereby realize the location of power brick (3), as shown in Figure 9; When need with power brick (3) when going back to original position, then firmly rotate power brick (3), make place kick (15) overcome the active force of retainer spring (14) and leave location sphere (12A), when the position of the set location sphere (12B) of place kick (15) and locating ring (12) is corresponding, then place kick (15) is inlaid into location sphere (12B), simultaneously, revolving part (13) is gone up set locating flange (13 ') and is run into the B end that bodice (1) is gone up set location semicircular ring (1 '), and then power brick (3) is locked on this position.

Connect owing to having adopted by horizontal prefabricated card-inserting device between rotating tailstock in the utility model and the power brick The structure that connects, therefore, it not only can guarantee the firm installation of energy between them, is difficult for loose or dislocation, and Can reduce the contact resistance between power brick conductive clip and the power brick insert-connecting plate, prevent that the contact chip position from sending out Heat, increase power brick conductive clip and power brick patch the conveyance capacity between the sheet, prolong the use longevity of battery Life. In addition, owing to be provided with whirligig between the rotating tailstock in the utility model and the bodice, thus increase The big scope of application of the present utility model, the utility model is a kind of reasonable in design, convenient and practical, uses Safe and reliable Novel DC charging electric portable drill.

Claims

1, a kind of DC charging electric portable drill, include bodice (1), rotation tailstock (2), power brick (3), wherein bodice (1) is connected with rotation tailstock (2), rotation tailstock (2) places on the power brick (3), it is characterized in that rotating tailstock (2) and is connected by horizontal prefabricated card-inserting device with power brick (3).

2, DC charging electric portable drill according to claim 1, it is characterized in that above-mentioned horizontal prefabricated card-inserting device includes locking buckle (4,4 '), shell fragment (5,5 '), grafting piece (6,6 ', 7,7 '), the piece (6 of wherein pegging graft, 6 ', 7,7 ') be installed in the both sides, top of power brick (3) respectively, locking buckle (4,4 ') top place grafting piece (6 respectively, 6 ') and grafting piece (7,7 ') between, the bottom is installed on the housing of power brick (3), shell fragment (5,5 ') place respectively the locking buckle (4,4 ') side, and touch with it, rotation tailstock (2) piece (6 that is provided with and pegs graft, 6 ', 7,7 ') corresponding inserting groove (8,8 '), and be provided with and lock buckle (4,4 ') corresponding lock slots (9,9 ').

3, DC charging electric portable drill according to claim 2 is characterized in that above-mentioned lock slots (9,9 ') can be made at respectively on the location-plate (10,10 ') that is installed in rotation tailstock (2).

4, DC charging electric portable drill according to claim 2, the top that it is characterized in that above-mentioned power brick (3) is provided with power brick and patches sheet (11,11 '), the corresponding power brick conductive clip (16,16 ') that is provided with of rotation tailstock (2).

5, according to claim 1 or 2 or 3 or 4 described DC charging electric portable drills, it is characterized in that above-mentioned locking buckle (4,4 '), shell fragment (5,5 '), grafting piece (6,6 ', 7,7 ') can be arranged on the rotation tailstock (2), inserting groove (8,8 '), lock slots (9,9 '), location-plate (10,10 ') but then relative set on power brick (3).

6, DC charging electric portable drill according to claim 5, the top that it is characterized in that above-mentioned rotation tailstock (2) also is provided with whirligig, it includes locating ring (12), revolving part (13), retainer spring (14), place kick (15), wherein be provided with the elongated cylindrical hole in the revolving part (13), retainer spring (14) places in the elongated cylindrical hole, place kick (15) touches with retainer spring (14), and place the orifice end in elongated cylindrical hole, locating ring (12) is packed on the bodice (1), its both sides be provided with positioning boss (12 ', 12 "); locating ring (12) is nested with the outside in revolving part (13); can relatively rotate to each other, and locating ring (12) positioning boss (12 '; the position of 12 ") be provided with the corresponding location sphere (12A of place kick (15), 12B).

7, DC charging electric portable drill according to claim 6 is characterized in that the top of above-mentioned revolving part (13) also is provided with locating flange (13 '), and bodice (1) is gone up the corresponding location semicircular ring (1 ') that is provided with.