CN2796963Y

CN2796963Y - Electric tool

Info

Publication number: CN2796963Y
Application number: CN 200520017733
Authority: CN
Inventors: 吴建俊
Original assignee: CHEWANG ELECTRONIC Co Ltd
Current assignee: CHEWANG ELECTRONIC Co Ltd
Priority date: 2005-05-13
Filing date: 2005-05-13
Publication date: 2006-07-19
Anticipated expiration: 2015-05-13

Abstract

The utility model relates to an electric tool, which comprises a tool body, a connecting device and a battery assembly, wherein the tool body is provided with a shell which is provided with a grasping section, the bottom end of which is provided with a first lower connecting section and a first lower guiding and connecting terminal. The connecting device is provided with a first member and a second member, wherein the top end of the first member is provided with a first upper connecting section which is used for connecting the first lower connecting section and a first upper guiding and connecting terminal which is used for electrically connecting the first lower guiding and connecting terminal, the bottom end of the second member is provided with a second lower connecting section and a second lower guiding and connecting terminal, and the first upper guiding and connecting terminal is electrically connected with the second lower guiding and connecting terminal by an electrical wire. The battery assembly is provided with a battery shell of which the top end is provided with a second upper connecting section which is used for connecting the second lower connecting section of the connecting device and a second upper guiding and connecting terminal which is used for electrically connecting the second lower guiding and connecting terminal.

Description

Electric tool

Technical field

The utility model is relevant with electric tool, more detailed it, be meant that a kind of operating personnel is easy to operate, the easy electric tool of taking.

Background technology

Consult Fig. 8, be a kind of general being seen electric tool 70 at present, its structure consists predominantly of a housing 71, and this housing 71 has a holding part 711 and and holds portion 712; One drive unit (not shown) is located in the holding part 711 of this housing 71; One tool holding device 72 is located at holding part 711 front ends of this housing 71, and these tool holding device 72 1 ends expose outside this housing 71, in order to clamping one bite tool, the other end stretches into this housing 71 and links with this drive unit, and this tool holding device 72 turns for being subjected to this drive unit; And one battery component 73 be incorporated into the portion of holding 712 bottoms of this housing 71, this battery component 73 and with this drive unit electrically connect, so that power source to be provided, make this drive unit can drive this tool holding device 72 rotations.

Yet, the weight of electric tool has 60% approximately from its battery component at present, simultaneously, endurance when electric tool uses is also relevant with the battery electric power reserves of its battery component, when the battery reserve of electricity is healed when big the proportional relatively increase of its volume and weight, so, the electric tool that it is lasting that endurance heals also will be because of the increase of its battery component weight and volume, and more is difficult for holding operation.

The utility model content

In view of this, main purpose of the present utility model provides a kind of electric tool, and its in light weightization of tool body so the operating personnel is holding operation for a long time, and seems more flexible in the feasible operation.

Electric tool provided by the utility model includes:

One tool body, it has a housing, and this housing has the portion of holding, and this is held the portion bottom and has one first lower connecting part and connect terminal one first time;

One hookup mechanism, it has one first member, this first member top has on one first upper connecting part and one first and connects terminal, to connect first lower connecting part of establishing this tool body with this first upper connecting part, makes this connect terminal and connect the terminal electrically connect this first time on first; One second member, this second member bottom have one second lower connecting part and connect terminal one second time; And an electric wire, its two ends electrically connect connects terminal on first and connects on the terminal for this second time at this; And

One battery component, it has a battery container, this battery container top has on one second upper connecting part and one second and connects terminal, to connect second lower connecting part of establishing this hookup mechanism with this second upper connecting part, makes this connect terminal and connect the terminal electrically connect this second time on second.

By this, utilize the mode that battery component is separated, alleviate the weight of tool body, so the operating personnel is holding operation for a long time, and will seem more flexible in the operation.

For illustrating in greater detail structure of the present utility model, cooperate now graphic, lift preferred embodiment explanation as after, wherein:

Description of drawings

Fig. 1 is the schematic diagram of the utility model one preferred embodiment;

Fig. 2 is the first lower connecting part schematic diagram of the utility model one preferred embodiment tool body;

Fig. 3 is the exploded view of the utility model one preferred embodiment, and the signal tool body is by being combined with battery component by hookup mechanism;

Fig. 4 is the partial sectional view after the utility model one preferred embodiment, first lower connecting part and the combination of first upper connecting part;

Fig. 5 is the utility model one preferred embodiment second member bottom schematic view;

Fig. 6 is the partial sectional view after the utility model one preferred embodiment, second lower connecting part and the combination of second upper connecting part;

Fig. 7 is the use schematic diagram for the utility model one preferred embodiment;

Fig. 8 is a kind of electric tool schematic diagram of prior art.

The specific embodiment

At first consult Fig. 1 and Fig. 2, be the electric tool of the utility model one preferred embodiment, it includes a tool body A, a hookup mechanism B and a battery component C, wherein:

This tool body A has a housing 2, a drive unit (not shown) and a tool holding device 4.This housing 2 has a holding part 6, and is predetermined angular and meets the portion of holding 8, that establishes these housing 2 bottoms and link first time that these first lower connecting parts 10 and one of holding portion 8 bottoms are located on this first lower connecting part 10 and connect terminal 11; And this drive unit and this tool holding device 4 are to be located in the holding part 6 of this housing 2, and these tool holding device 4 front ends expose this housing 2, and in order to cutting workpieces such as clamping drilling bit, its rear end then connects establishes this drive unit, turned by this drive unit and become; Because this drive unit and this tool holding device 4 are similar with prior art, and are not the utility model feature place, so its practical structures is not given unnecessary details in this appearance.

The utility model is characterised in that: these first lower connecting part, 10 bottom surfaces are provided with an accommodation chamber 110, these accommodation chamber 110 rear ends have one open-ended 120, its interior two sides then are provided with one group of rib shape track 130, this group track 130 is parallel, and body portion and by near this open-ended 120 places oppositely towards the extension of this accommodation chamber 110 front ends, in addition, form an engagement groove 131 in this two track 130 respectively, respectively the notch of these engagement groove 131 1 ends and see through this and open-ended 120 expose; Again, this first lower connecting part 10 also has two blocks, 140 difference positions below this track 130, and this two block 140 is relatively, and also has outward extending backward first guiding face 141 separately on the opposite end.Again, connect terminal 11 this first time to be located in this accommodation chamber 110, itself and with this drive unit electrically connect.

Refer again to Fig. 3, this hookup mechanism B includes one first member 12, one second member 14 and an electric wire 16, wherein:

This first member 12 is to have a lower cover 22, two locking parts 24 and two springs 26.This lower cover 22 has an end face 210, one first upper connecting part 220 is formed on this end face 210, in fact, this first upper connecting part 220 is constituted in conjunction with rail 221 by two, and this two in conjunction with rail 221 for to establish for 130 groups with this group track, having a base portion 222 is respectively extended upward by these lower cover 22 end faces 210, and one joint portion 223 extend outwardly by these base portion 222 top levels, and these two base portions, 222 bottom opposite positions also are respectively equipped with a depression 224, again, these lower cover 22 2 sidepiece relative positions have a room 240 respectively, these two rooms, 240 inner face symmetric position places and each self-forming one opening 241, this opening 241 is to link to each other with the depression 224 of respective side, and in addition, respectively these room 240 outer root edges and lateral margin thereof form a flange 242 to the center projection jointly.And this two locking part 24 is to be incorporated into movably in two rooms 240 of this lower cover 22, and respectively this locking part 24 has a press section 250 and is positioned at 241 of institute these room 240 its flanges 242 that are installed with and openings thereof, one connecting rod, 260 1 ends link this press section 250 inner faces, these connecting rod 260 free ends are to penetrate in the opening 241 of this room 240 of place, and one block holding part 270 generally be and vertically be linked to this connecting rod 260 ends, this block holding part 270 is to be the projection shape, wherein a depression 224 is relative with this lower cover 22 and have one second guiding face 271, and this second guiding face 271 also is by the outward-dipping backward shape of this lower cover 22 front ends.This two spring 26 is installed in this lower cover 22 respectively wherein in the room 240, and replace these room 240 internal faces of place with an end, other end pushing tow to press section 250 inner faces that should locking part 24, by this, make this two locking parts, 24 outer moving, and be positioned on the position that its press section 250 and the flange 242 of this room 240 of place conflict, and therefore its second guiding face 271 protrudes out outside this corresponding depression 224.In addition, this first member 12 has more and connects terminal 28 on one first and be located on the end face 210 of this lower cover 22.

Cooperate Fig. 4, during installing, this first member 12 can be slided this two joint portion 223 by open-ended 120 places of this first lower connecting part 10 and establish in this two engagement groove 131, make this lower cover 22 and the housing 2 of this tool body A become one, and the block holding part 270 of this two locking part 24 is when two blocks 140 of this tool body of process A, this 2 first guiding face 141 promptly can be because of conflicting with this 2 second guiding face 271, and cause this two locking parts, 24 relative displacements, so that make this first member 12 can continue to stretch in the accommodation chamber 110 of this first lower connecting part 10; And behind these two block holding parts, 270 these two blocks 140 of process, the elasticity of this two spring 26 is returned the power of releasing and is ordered about this two locking part 24 immediately and reset, make this two block holding part 270 and this two block 140 be fastening state, connect terminal 11 for this first time and connect terminal 28 with this on first and electrically contact.In other words, when the press section 250 of this two locking part 24 is stressed, promptly can compress this two spring 26, make this two block holding part 270 break away from these two blocks 140, this first member 12 can detach this tool body A by machine.

Subsequently, consult Fig. 5 again, these second member, 14 tops are to have a snapping portion 32, and sheet colludes or belt is formed with the rubber-like metal in this snapping portion 32, in order to the operating personnel with this second member 14 take be located between waist on.These second member, 14 bottoms then have one second lower connecting part 34, this second lower connecting part 34 is to have the accommodation chamber 310 of being located at these second member, 14 bottom surfaces, in these accommodation chamber 310 rear ends and have one open-ended 320, then be provided with one group of rib shape track 330 in these accommodation chamber 310 inner two sides, respectively this track 330 also has an engagement groove 331 respectively, secondly, in these two tracks, 330 belows and be provided with two blocks 340, this block 340 and have one first guiding face 341 respectively, in addition, this second member 14 and have and connect terminal 36 for one second time and be located in this accommodation chamber 310.Because the structure of this second lower connecting part 34 is same as the structure of this first lower connecting part 10, so, promptly no longer be described in detail at this.This electric wire 16 then with its two ends be arranged in respectively this first member 12 first on connect terminal 28 and this second member 14 second time and connect on the terminal 36, make this connect terminal 28 and connect terminal 36 electrically connects this second time on first then.

In addition, this battery component C has a battery container 42, two locking parts 44, two springs 46 and most this first member, 12 inner and batteries 48 that contact mutually that are fixedly set in.Wherein, the structure of this battery container 42 is similar to the bottom shell seat of this first member 12, and be formed with one second upper connecting part 420 at one end face 410, this second upper connecting part 420 is also constituted in conjunction with rail 421 by one group, this two has a base portion 422 and a joint portion 423 respectively in conjunction with rail 421, and in these base portion 422 bottoms respectively and have a depression 424 respectively, in addition, this battery component C includes especially and connects terminal 50 on one second and be located on this end face 410, itself and with these battery 48 electrically connects; Moreover these battery container 42 2 sidepieces have a room 430 respectively, this room 430 inner faces and have this depression 424 of an opening 431 and respective side and link to each other respectively, and the outer end local edge then is equipped with a flange 432.This two locking part 44 is also identical with two locking parts 44 of this first member 12, be to be located at this battery container 42 respectively wherein in the room 430, and have a press section 440, a connecting rod 450 and a block holding part 460 respectively, this block holding part 460 also has one second contact-making surface 461.This two spring 46 then is located at respectively in two rooms 430 of this battery container 42, and an end replaces these room 430 inner faces of place, other end pushing tow to press section 440 inner faces that should locking part 44.

Consult Fig. 6, this battery container 42 can be by open-ended 321 places of second lower connecting part 34 of this second member 14 with these two joint portions, 423 sliding establishing in this two engagement groove 331, make this battery container 42 become one with this second member 14, simultaneously, connecting terminal 36 for this second time connects terminal 50 with this on second and electrically contacts.Because the structure of this first lower connecting part 10 and this first upper connecting part 220 and this second lower connecting part 34 and this second upper connecting part 420 and to make flowing mode identical, repeat no more in this, and when two locking parts 24 of this battery component C are stressed, drawable naturally this second member 14 of this battery container 42.

Consult Fig. 7, by this, the operating personnel can make up second upper connecting part of this battery component and second lower connecting part of this second member earlier, and this battery component is taken appropriate location between waist with the snapping portion of this second member, on belt or underpants, continue, again first upper connecting part of this first member and first lower connecting part of this tool body are made up, thus, compare down with the prior art electric tool, the utility model can alleviate the load of user's wrist about 60% effectively, so, during operating personnel's operation, this battery component can be followed its displacement, make the operating personnel when operation, more seem light and flexible, so, the acceleration of favourable job schedule.

What specify is, first lower connecting part of the present utility model is identical with the structure of this first upper connecting part and this second lower connecting part and this second upper connecting part, purpose is to follow at present the electric tool structure that circulation on the market sells, so that do not need to redesign the battery container structure of housing and this battery component of this electric tool when making manufacturers produce, and then reach the effect that reduces production costs, so, do not limit the combining form of this first lower connecting part and this first upper connecting part and this second lower connecting part and this second upper connecting part at this, such as reach the class isostructure of identical purpose with same means, all ought to be considered as equivalence of the present utility model and implement.

Claims

1. an electric tool is characterized in that, includes:

2. according to the described electric tool of claim 1, it is characterized in that the second member end face of described this hookup mechanism has more a snapping portion.

3. according to the described electric tool of claim 1, it is characterized in that first time linking part of described this tool body is identical with second time linking part structure of its second member of this hookup mechanism; This its battery container of battery component first on linking part and its first member of this hookup mechanism second on the linking part structure identical.

4. according to the described electric tool of claim 1, it is characterized in that the first lower connecting part bottom surface of described this tool body has one group of track, respectively in this track and have an engagement groove; First member of this hookup mechanism includes a lower cover, this lower cover has an end face, this first upper connecting part is to be formed on this end face, and this first upper connecting part is constituted in conjunction with rail by two, this two has a base portion respectively in conjunction with rail and is extended upward by this lower cover end face, and one the joint portion extend outwardly by this base portion top level, these two two joint portions in conjunction with rail are can slide in the engagement groove of establishing on this group track; This connects terminal on first then is to be located on the end face of this lower cover.

5. according to the described electric tool of claim 4, it is characterized in that first lower connecting part of described this tool body more includes two blocks difference position below this two track; The track base portion bottom of this first member respectively has a depression, and these lower cover two sidepieces have a room respectively, and this two rooms outer end local edge also stretches out a flange; This first member more includes two locking parts and two springs, this two locking part is to be located at movably in two rooms of this lower cover, and this two locking part has a press section respectively and is positioned between place its flange of this room and the inner thereof, one connecting rod is extended in the depression of this lower cover by this press section inner face, and a block holding part links this connecting rod end; This two spring be located at respectively this lower cover wherein a room and between should the press section of locking part, move outward with this locking part of pushing tow, make the flange of this press section and this room of place conflict, this block holding part engages with the block of respective side, and when the press section of this two locking part was stressed, this two block holding part promptly can break away from this two block.

6. according to the described electric tool of claim 1, it is characterized in that the second lower connecting part bottom surface of described this hookup mechanism has one group of track, respectively in this track and have an engagement groove; This battery component includes a battery container, this battery container has an end face, this second upper connecting part is to be formed on this end face, and this second upper connecting part is constituted in conjunction with rail by two, this two has a base portion respectively in conjunction with rail and is extended upward by this end face, and one the joint portion extend outwardly by this base portion top level, these two two joint portions in conjunction with rail are can slide in the engagement groove of establishing on this group track; This connects terminal on second then is to be located on the end face of this battery container.

7. according to the described electric tool of claim 6, it is characterized in that second lower connecting part of described this hookup mechanism more includes two blocks difference position below this two track; The track base portion bottom of this battery container respectively has a depression, and these battery container two sidepieces have a room respectively, and this two rooms outer end local edge also stretches out a flange; This second member more includes two locking parts and two springs, this two locking part is to be located at movably in this room, and this two locking part has a press section respectively and is positioned between place its flange of this room and the inner thereof, one connecting rod is extended in the depression of this second lower connecting part by this press section inner face, and a block holding part links this connecting rod end; This two spring be located at respectively this battery container wherein a room and between should the press section of locking part, move outward with this locking part of pushing tow, make the flange of this press section and this room of place conflict, this block holding part engages with the block of respective side, and when the press section of this two locking part was stressed, this two block holding part promptly can break away from this two block.