CN2799184Y

CN2799184Y - Replacement adaptor of electric tool

Info

Publication number: CN2799184Y
Application number: CN 200520005338
Authority: CN
Inventors: 庄顺渊
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-03-03
Filing date: 2005-03-03
Publication date: 2006-07-26
Anticipated expiration: 2015-03-03

Abstract

The utility model relates to a replacement joint of an electric tool. An electric tool is an electric screwdriver. The replacement joint comprises a joint seat, a clutching sleeve, a drill bit assembling seat, etc., wherein an inner sleeve integrally extends in the joint seat and a hollow area and a spring accommodating area are formed in the joint seat. The inner side of the hollow area is used for fixedly clamping a bearing, the bearing is inserted and fixed with a rotating shaft, one end of the rotating shaft is exposed outside the joint seat to form a pivoting part and the other end of the rotating shaft is designed into a hexagonal shape. The spring accommodating area is used for placing a compression spring, a convex wall is arranged around the lower edge of an inner side wall surface of the joint seat and a plurality of beads are arranged around the lower edge of the inner side wall surface of the inner sleeve. The clutching sleeve is in the shape like the hollow Chinese character 'tu', the outer edge of the front end of the clutching sleeve is provided with a flange and the lower end of an inner side wall is formed with an annular concave part. The front end of the clutching sleeve provided with the spring accommodating area of the joint seat can be clamped with the flange and the convex wall of the joint seat. The drill bit assembling seat is a clamping head arranged at the front end of a traditional electrical drill for clamping a drill bit rod, a traditional drill bit rod having different diameters can be selected and clamped via the rotation of an umbrella-shaped tooth handle, and the drill bit assembling seat which can be assembled at the pivoting part at one end of the rotating shaft of the joint seat can rotate with the transmission of the rotating shaft. Therefore, the electric screwdriver can be used for assembling a drill bit and further the electric screwdriver has the dual functions of the replacement of a screwdriver and an electrical drill.

Description

The replacement joint of electric tool

Technical field

The utility model is its a replacement joint of a kind of electronic worker, draws a kind of moving driver of powering to replace especially and is connected, and makes the electric screw driver machine can supply the drill bit winding, and then makes the electric screw driver machine can make driver and electrical drilling machine is replaced the electric tool replacement joint person who uses.

Prior art

Connect, because the progress in epoch, professional division is got over fine and closely woven, therefore various professional electricity consumption is started building, and it is designed to produce successively, (please consult Fig. 1 simultaneously with the electric screw driver machine, Fig. 2), it mainly comprises a

driver body

10 and 20 combinations of joint group constitute, these driver body 10 interior arrangements have electro-motor and necessary combo part thereof, and by the power output shaft 11 of electro-motor transmission and be mounted on driver body 10 body front ends and be connected sleeve 12, these power output shaft 11 front ends are provided with the hexagonal containing hole, can place for the screwdriver rod 13 that meets this hexagonal containing hole internal diameter, these linking sleeve 12 surfaces then are equipped with recessed edge; This joint group 20 comprises first joint 21, second joint 22 and the 3rd joint 23, this first joint 21, second joint 22 and the 3rd joint 23 can engage composition in regular turn, especially, the 3rd joint 23 medial margins convex with a plurality of balls 24, in the time of can making joint group 20 be socketed on the linking sleeve 12 of driver body 10 front ends, a plurality of balls 24 of the 3rd joint 23 medial margins just are sticked in the recessed edge 14 that is connected sleeve 12, make it finish the winding step; By this, when electro-motor transfer motion power output shaft 11 rotated, 13 of screwdriver rods that are socketed on power output shaft 11 front ends can rotate thereupon, and then reach the purpose that screws togather screw.Except aforementioned known electric screw driver machine, a kind of electric screw driver machine (seeing also Fig. 3) is arranged on the market in addition, the structure of this kind electric screw driver machine mainly is in driver body 30 interior arrangements electro-motor and necessary combo part thereof to be arranged, and by the power output shaft 31 of electro-motor transmission and be mounted on driver body 30 body front ends screw togather sleeve 32, adjust tube 33 etc., these power output shaft 31 front ends are provided with the hexagonal containing hole, can place for the screwdriver rod 34 that meets this hexagonal containing hole internal diameter, but this screws togather sleeve 32 screw locks and screws togather 35 in driver body 30 front ends, be equipped with recessed edge 36 and screw togather sleeve 32 surfaces, this recessed edge 36 can be for adjusting tube 33 person of being inserted in the inlay card; By this, when electro-motor transfer motion power output shaft 31 rotates, be socketed on power output shaft 31 before 34 of first day of the lunar year screwdriver rods can rotate thereupon, and then reach and screw togather screw day purpose person.By being, aforementioned two kinds of public electric screw driver machines are to be exclusively used in winding

screwdriver rod

13,34, as screwing togather screw, the usefulness of bolt, and the good work performance of pivot is arranged, yet, this electric screw driver machine only supplies special-purpose screwdriver rod 13 windings, when the user implements boring work as if desire, this electric screw driver machine then can't be suitable for fully, so the user must be equipped with a kind of electrical drilling machine (seeing also Fig. 4) in addition, it mainly comprises this electrical drilling machine 38 combinations of electrical drilling machine body 37 and joint group and constitutes, these electrical drilling machine body 37 interior arrangements have electro-motor and necessary combo part thereof, and by the power output shaft 39 of electro-motor transmission, these power output shaft 39 front ends are provided with the hexagonal containing hole, can place for the drill bit shaft 391 that meets warp in this hexagonal containing hole, this joint group 38 can be connected to electrical drilling machine body 37 front ends; By this, when electro-motor transfer motion power output shaft 39 rotated, 391 of drill bit shaft that are socketed on power output shaft 39 front ends can be rotated thereupon, and then reached the purpose of digging the cutter perforation.

The occupation mode of above-mentioned electric screw driver machine and electrical drilling machine as can be known, because professional division is fine and closely woven, so all kinds of special-purpose machines and tools of deriving, but, for the user, it is required with symbol work that it must carry multiple electric tool, and it is except carrying the problem of not making it, buy, maintain and the maintenance cost that electric tool spent, also will cause user's white elephant.In addition, the employed screwdriver rod 13 of above-mentioned electric screw driver machine and electrical drilling machine, drill bit shaft 33 etc., it all is the special requirement of this facility special use, all inequality with general in the streets general screwdriver rod, drill bit shaft, therefore, when screwdriver rod 13 or drill bit shaft 33 abrasion, damage and when can't bear to use, the user then must buy screwdriver rod 13, the drill bit shaft 33 of same size, otherwise this electric tool can't use, and therefore, also cause this special-purpose electric tool to select for use the consumptive material aspect very not make part.

The utility model content

The purpose of this case invention, promptly be to improve aforementioned electronic driver instrument the disappearance that screws togather screw and the boring function can't be provided can be provided, and then provide a kind of moving driver of powering to replace joint, make the electric screw driver machine except screwing togather the screw, also can provide the drill bit winding, and then make the electric screw driver machine that the dual-use function person of driver and electrical drilling machine is provided.Another purpose of the present utility model, when the electric screw driver machine used as the function of electrical drilling machine, this drill bit can be selected generally in the streets common-use size for use, selects the convenience person of consumptive material for use with raising.

Relevant the utility model is to reach the technological means that above-mentioned purpose is used, and sincerely cooperates Fig. 5 to preferred embodiment shown in Figure 9 now, is described in detail as follows:

Please consult Fig. 5, shown in Figure 6 simultaneously, the utility model is the replacement joint of electric tool, and this electric tool is to refer to special-purpose electric screw driver machine 70, and this replacement joint comprises members such as plinth 40, clutch cover 50 and drill bit group seat-joined 60, wherein:

Plinth 40, one is prolonged cover 41 in secondary in this plinth 40, make plinth 40 inner hollow area 42 and the spring disposal areas 43 of forming, these hollow area 42 inboards can fix for a bearing 44, this bearing 44 is planted and is fixed a turning cylinder 45, turning cylinder 45 1 ends are exposed to the outside of plinth and form articulated section 46, turning cylinder 45 other ends are set as the hexagonal shape, this spring disposal area 43 can be put for a compression spring 47, the interior sidewall surface lower edge of plinth 40 is equipped with protruding wall 48, and interior cover 41 interior sidewall surface lower edges then are equipped with a plurality of balls 49.

Clutch cover 50, this clutch cover 50 generally is the convex shape of hollow, and its front outer is provided with flange 51, and the madial wall lower end then forms the depressed part 52 of ring-type; By this, these clutch cover 50 front ends can be inserted the spring disposal area 43 of plinth 40, and the protruding wall 48 that closes flange 51 and plinth 40 fastens, owing to be provided with compression spring 47 in the spring disposal area 43, clutch cover 50 is compressed spring 47 and replaces and have the outer elastic force of opening.

Drill bit group seat-joined 60, it is that traditional electrical rig front end can be for the clamping head of clamping drill bit shaft 61, (means of this clamping drilling bit bar 61 are to be general communal technique and can select the conventional drill bar 61 of clamping different-diameter by the rotation of umbrella shape tooth handle, will not give unnecessary details in this), this drill bit group seat-joined 60 can be connected to plinth the articulated section 46 of turning cylinder 45 1 ends, and can rotate with the transmission of turning cylinder 45.

The utility model provides a kind of electric screw driver machine to replace joint, makes the electric screw driver machine also can supply the drill bit winding except screwdriver rod, and then makes the electric screw driver machine can do driver and electrical drilling machine replacement use; Moreover when the electric screw driver machine used as the function of electrical drilling machine, this drill bit can be selected generally in the streets common-use size for use, selects the convenience of consumptive material for use with raising.In addition, when the turning cylinder of plinth was subjected to the transmission of power output shaft, the one termination was against power output shaft, and an end is supported by bearing then, when the drill bit shaft winding, not only rotate very smooth and easy outside, it also is a big advantage that its center accurately can not be offset.

Description of drawings

Fig. 1 is the three-dimensional exploded view of known electric screw driver machine.

Fig. 2 is the plane assembling schematic diagram of known electric screw driver machine.

Fig. 3 is a kind of plane assembling schematic diagram of known electric screw driver machine.

Fig. 4 is the floor map of known electrical drilling machine.

Fig. 5 is D structure figure of the present utility model.

Fig. 6 is assembled in the insight structural map of electric screw driver machine for the utility model.

Fig. 7 separates the action schematic diagram of electric screw driver machine for the utility model.

Fig. 8 screws togather the D structure figure of sleeve for the utility model.

Fig. 9 screws togather the insight structural map that sleeve is assembled in the electric screw driver machine for the utility model utilization.

Description of reference numerals

10 driver bodies, 11 power output shafts

12 are connected sleeve 13 screwdriver rods

14 recessed edge

20 joint groups, 21 first joints

22 second joints 23 the 3rd joint

24 balls

30 driver bodies, 31 power output shafts

32 screw togather sleeve 33 adjusts tube

34 screwdriver rods 35 screw togather head

36 recessed edge 37 electrical drilling machine bodies

38 joint groups, 39 power output shafts

The specific embodiment

See also shown in Figure 6, aforesaid electric screw driver machine 70 its interior arrangements of this case have electro-motor and necessary combo part thereof, and by the power output shaft 71 of electro-motor transmission and be mounted on the linking sleeve 72 of electric screw driver machine 70 front ends, the joint group of arranging in pairs or groups again gets final product the winding screwdriver rod, as screwing togather screw, the usefulness of bolt, and the good work performance of pivot is arranged, when only the user implements boring work as if desire, can be with under the joint assembling and dismantling, winding replacement joint described in the utility model can provide the drill bit winding, make the electric screw driver machine also can be used as electrical drilling machine and use, and this drill bit also can select general common-use size in the streets for use, system can improve the convenience person who selects consumptive material for use; In this, only be summarized as follows now with regard to its embodiment:

See also shown in Figure 7, these clutch cover 50 front ends are inserted the spring disposal area 43 of plinth 40, and the protruding wall 48 that closes flange 51 and plinth 40 fastens, this can close clutch cover 50 and can not come off from spring disposal area 43, owing to be provided with compression spring 47 in the spring disposal area 43, clutch cover 50 can be exerted pressure and be entered spring disposal area 43, make a plurality of balls 49 of depressed part 52 corresponding to the interior cover 41 of plinth 40, then produce the escape space during the corresponding depressed part 52 of this a plurality of ball 49, a plurality of balls 49 can be expanded outwardly, and then make and allow that the diameter dimension that passes through becomes big, therefore, a plurality of balls 49 can be by the linking sleeve 72 of electric screw driver machine 70, when clutch cover 50 stops to exert pressure and resets, 49 extruding because of clutch cover 50 madial walls of these a plurality of balls recover original state than minor diameter, and 49 of a plurality of this moment balls are sticked in the recessed edge 73 that is connected sleeve 72; By being, when pressing sincere clutch cover 50, can make a plurality of balls 49 the escape space be arranged and have the effect that expands outwardly, this can make the linking sleeve 72 of replacing the joint winding or separating electric screw driver machine 70.When replacement joint of the present utility model is connected to the linking sleeve 72 of electric screw driver machine 70, one end of the turning cylinder 45 hexagonal shapes of this plinth 40 is inserted in the hexagonal containing hole of power output shaft 71 front ends, can drive turning cylinder 45 when making power output shaft 71 be subjected to electrical motor driven rotates, also drive simultaneously the drill bit group seat-joined 60 of turning cylinder 45 front ends, the conventional drill bar 61 of these drill bit group seat-joined 60 clamping different-diameters can dig the worker that cutter is bored a hole to workpiece by this drill bit shaft 61.

(please consult Fig. 8, shown in Figure 9 simultaneously) in addition, can set up one screws togather sleeve 80 to the utility model in addition, this screws togather sleeve 80 1 end inboards and is provided with internal thread 81, but screw lock screws togather 91 in another kind of electric screw driver machine 90 front ends, this screws togather sleeve 80 surfaces and is equipped with recessed edge 82, make recessed edge 82 can supply a plurality of balls 49 inlay cards of interior cover 41 interior sidewall surface, and then reach the purpose of replacing joint in conjunction with this case; Therefore, by screwing togather setting up of sleeve 80, replacement joint of the present utility model is applicable to plant in addition to have to screw togather an electric screw driver machine person of 91.

From the above and graphic shown in preferred embodiment as can be known, the technological means that this case utility model is used and mechanism's structure thereof really can reach the purpose of utility model, and provide a kind of electric screw driver machine to replace joint, make the electric screw driver machine except screwdriver rod, also can supply the drill bit winding, and then make the electric screw driver machine can do driver and electrical drilling machine replacement use; Moreover when the electric screw driver machine used as the function of electrical drilling machine, this drill bit can be selected generally in the streets common-use size for use, selects the convenience of consumptive material for use with raising.In addition, when the turning cylinder 45 of plinth 40 was subjected to the transmission of power output shaft 71, the one termination was against power output shaft 71, one end is supported by bearing 44 then, when drill bit shaft 61 windings, not only rotate very smooth and easy outside, it also is a big advantage that its center accurately can not be offset; By being, through above-mentioned explanation, the utility model really has significant practicality, and its mechanism design that provides really initiated by the designer and form, and system this case commandment has met the important document of patent, files an application in accordance with the law, and prays and grant patent right for praying.Again, the above disclosed content of this case is to be the utility model preferred embodiment, changes according to equivalence of the present utility model such as, must contain to be placed among the protection domain.

Claims

1. its replacement joint of an electronic worker, this electric tool is to refer to the electric screw driver machine, its interior arrangement has electro-motor and necessary combo part thereof, and by the power output shaft of electro-motor transmission and be mounted on the linking sleeve of electric screw driver machine front end, this power output shaft front end is provided with the hexagonal containing hole, can place for the body of rod that meets this hexagonal containing hole internal diameter, this linking sleeve surface then is equipped with recessed edge, it is characterized in that:

This replacement joint comprises members such as plinth, clutch cover and drill bit group seat-joined, wherein: one is extended cover in this plinth, make inner hollow area and the spring disposal area of forming of plinth, this hollow area inboard can fix for a bearing, this bearing is planted and is fixed-turning cylinder, turning cylinder one end is exposed to the plinth outside and forms the articulated section, the turning cylinder other end is set as the hexagonal shape, this spring disposal area can be put for a compression spring, the interior sidewall surface lower edge of plinth is equipped with protruding wall, and interior cover interior sidewall surface lower edge then is equipped with a plurality of balls; This clutch cover generally is the convex shape of hollow, and its front outer is provided with flange, and the madial wall lower end then forms the depressed part of ring-type; This clutch cover front end can be inserted the spring disposal area of plinth, and makes the protruding wall of flange and plinth fasten; This drill bit group seat-joined is that traditional electrical rig front end can be for the clamping head of clamping drill bit shaft, and can select the conventional drill bar of clamping different-diameter by the rotation of umbrella shape tooth handle, this drill bit group seat-joined can be connected to the articulated section of turning cylinder one end of plinth, and can be with the transmission of turning cylinder rotation person; By this, this electric screw driver machine can supply the drill bit winding, and then makes the electric screw driver machine can do the dual-use function person of driver and electrical drilling machine replacement use.

2. the replacement joint of electric tool as claimed in claim 1, it is characterized in that: this replacement joint can be arranged in pairs or groups and be used one to screw togather sleeve, this screws togather sleeve one end inboard and is provided with internal thread, its surface is equipped with recessed edge, by this, can make screwing togather the sleeve screw lock and having the another kind of electric screw driver machine that screws togather head in another kind, again order a plurality of balls of replacing the interior cover of joint be embedded in screw togather the sleeve table and recessed edge and in conjunction with fixing person.