CN213197318U

CN213197318U - Electric tool with motor capable of being detachably mounted

Info

Publication number: CN213197318U
Application number: CN202021524191.9U
Authority: CN
Inventors: 于洪武
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-05-14
Anticipated expiration: 2030-07-28

Abstract

The utility model provides an electric tool of demountable installation motor relates to electric tool technical field, through adopting tool main part and the instrument head including mutual demountable connection, the tool main part is provided with motor lid, demountable installation's motor and first connector, and the instrument head is provided with the second connector, and first connector and second connector rotate to be connected, and the second connector is provided with the technical scheme of end, has that the function is various, the range of application is extensive, convenient to use and a motor can be in the beneficial effect of a plurality of instruments uses.

Description

Electric tool with motor capable of being detachably mounted

Technical Field

The utility model relates to an electric tool technical field particularly, relates to an electric tool of demountable installation motor.

Background

With the continuous development of social economy, the industry and the construction industry are rapidly developed, and the industry often needs to use some handheld electric tools. Common power tools include electric drills, angle grinders, small polishers, and the like, which are power tools using electricity as power. The handheld electric tool is very popular in the market due to the lightness and miniaturization, so the demand is very large, and the annual production and sale quantity is very remarkable.

Currently, each power tool has a very single function, for example, a drill can only drill holes, and a small polishing machine is needed if polishing is needed. In practical application scenarios, various electric tools such as electric drills, electric screwdrivers, angle grinders and the like are often used. Therefore, when selecting a tool before work, all tools which can be used need to be carried on the portable belt, which is very troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric tool of demountable installation motor, it can be to prior art's not enough, proposes the solution, has the beneficial effect that the function is various, the range of application is extensive, convenient to use.

The embodiment of the utility model is realized like this:

the embodiment of the application provides an electric tool of demountable installation motor, including tool main part and the instrument head of mutual demountable connection, tool main part is provided with motor cover, demountable installation's motor and first connector, and the instrument head is provided with the second connector, and first connector and second connector rotate to be connected, and the second connector is provided with the end.

The utility model discloses an in some embodiments, above-mentioned instrument main part includes the motor, and the motor includes the output shaft, still is provided with the motor stopper in the instrument main part.

The utility model discloses an in some embodiments, the one end of above-mentioned first connector is equipped with first arch, and the other end of first connector is equipped with first recess, first recess and output shaft adaptation.

The utility model discloses an in some embodiments, the one end of above-mentioned second connector is equipped with the second arch, and the other end of second connector is equipped with second recess, second recess and first protruding adaptation.

In some embodiments of the present invention, a first bearing is disposed between the inner wall of the tool body and the outer wall of the first connector, and a second bearing is disposed between the inner wall of the tool head and the outer wall of the second connector.

In some embodiments of the present invention, the tool head is provided with a drill, and one end of the drill is connected to the second protrusion.

In some embodiments of the utility model, above-mentioned tool head is provided with the structure of squeezing the juice, and the structure of squeezing the juice includes the rotary rod, and the one end and the second arch of rotary rod are connected, and the rotary rod is global to be provided with helical blade.

The utility model discloses an in some embodiments, above-mentioned tool head is provided with the adapter sleeve outward, and the adapter sleeve is provided with the joint structure, and the joint structure includes spring, wedge locating part and the piece that resets, and the adapter sleeve is equipped with the through-hole, and the piece that resets sets up in the through-hole, and the tool main part is equipped with the spring groove, and spring and wedge locating part set up in the spring groove, and wedge locating part one end is stretched out the spring groove and is corresponded with the.

The utility model discloses an in some embodiments, above-mentioned instrument main part is equipped with the louvre, and the louvre is provided with the dust screen.

In some embodiments of the present invention, the tool body is provided with a handle, the handle includes a connecting column and a handle, one end of the connecting column is fixedly connected to the tool body, and the other end of the connecting column is connected to the handle by a screw.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the function is various: the motor can be easily detached from the tool body and mounted on other tool bodies. The tool head can be arranged to adapt to different scenes, such as the tool head with a drill bit capable of rotating holes, the tool head with a screwdriver capable of screwing screws, the tool head with a grinding head capable of grinding and polishing, and the like. Only one tool body and a plurality of tool heads are needed, and multiple functions can be realized by replacing the tool heads. The functions are very various, and different requirements are met.

The application range is wide: different scenarios are applied by changing the tool head. The tool head can be provided with a drill bit and is combined with the tool body to be applied to the construction industry. Even the tool head can be provided with a juicing structure and is combined with the tool body to be applied to fruit juicing occasions. Widely applied to various use occasions and has popularization prospect.

The use is convenient: before the tool is used, when the tool is selected, all tool heads which can be used are carried on the tool main body, and the tool main body is very convenient to use. Has the advantage of reducing the purchasing cost of users. The motor can be light dismantle from the instrument main part and install other instrument main parts, dismantled and assembled motor can install between a plurality of instrument main parts and use promptly, the workman only need carry when carrying can, it is very convenient to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an electric tool with a detachable motor according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of an electric tool detachably mounted with a motor according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a first connector according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second connector according to an embodiment of the present invention;

fig. 5 is a schematic structural view of another electric tool with a detachable motor according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a grip provided in the embodiment of the present invention;

fig. 7 is a schematic structural diagram of a motor according to an embodiment of the present invention;

fig. 8 is a schematic view of a clamping structure clamping according to an embodiment of the present invention;

fig. 9 is a schematic view illustrating a clamping structure according to an embodiment of the present invention.

Icon: 1-a tool body; 11-a motor cover; 12-a motor; 121-an output shaft; 122-motor stop block; 13-a first bearing; 14-a spring groove; 2-a tool head; 21-a second bearing; 3-a first connector; 31-a first protrusion; 32-a first groove; 4-a second connector; 41-a second protrusion; 42-a second groove; 5-connecting sleeves; 51-a snap-fit structure; 511-spring; 512-wedge-shaped stoppers; 513-a reset member; 52-a through hole; 6-a drill bit; 7-juicing structure; 71-rotating rod; 72-helical blades; 8-heat dissipation holes; 81-dust screen; 9-a grip; 91-connecting column; 92-a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred to must have a specific position, be constructed and operated in a specific position, and therefore, should not be interpreted as a limitation of the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not require that the components be absolutely horizontal or vertical, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1 to 9, an electric tool with a detachable motor according to an embodiment of the present invention is provided, which has the following specific structure.

As shown in fig. 1, the present embodiment provides an electric tool with a detachable motor, which includes a tool main body 1 and a tool head 2 that are detachably connected, the tool main body 1 is provided with a first connector 3, the tool head 2 is provided with a second connector 4, and the first connector 3 and the second connector 4 are rotatably connected. The tool body 1 and the tool head 2 are separately designed so as to be convenient to assemble and disassemble. The first connector 3 is arranged inside the tool body 1, the second connector 4 is arranged inside the tool head 2, and the first connector 3 and the second connector 4 are on the same horizontal line and can rotate freely. When the tool body 1 and the tool bit 2 are mounted together, the first connector 3 and the second connector 4 are also coupled together. That is, the internal structure of the tool body 1 drives the first connector 3 to rotate, and the first connector 3 drives the second connector 4 to rotate.

It should be noted that the head of the tool head 2 may be designed as a tool head 2 with various functions. Such as the tool head 2 shown in fig. 1, the tool head 2 is provided with a drill bit 6 for drilling. Such as the tool head 2 shown in fig. 5, the tool head 2 is provided with a juice extracting structure 7 for extracting juice in daily life. The tool head 2 can also be designed into a tool head 2 with functions of an angle grinder and a small-sized hand-held polishing machine, and the rotating structure of the front working part of the existing machine is connected with the second connector 4, so that the second connector 4 can rotate to realize various functions. The application is wide, and the method is suitable for more scenes.

Further, the tool body 1 is provided with a motor cover 11 that can be opened and closed, and a motor 12 is provided in the tool body 1. The motor 12 can be manually removed from the interior of the tool body 1 or can be installed therein. The tail end of the motor 12 is provided with a spring piece as a contact, the tool body 1 is also provided with a corresponding contact, and when the motor 12 is installed in the tool body 1, the corresponding contacts are contacted with each other to realize electrification. The detachable motor 12 can be installed and used among a plurality of tool bodies 1, and a worker only needs to carry one motor 12 when carrying the tool, so that the tool is very convenient to use.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. For example, the tool head 2 may also be designed as a tool head 2 with other functions, such as one end of an allen screw driver and a second connector 4, the other end of the allen screw driver being used for driving an allen screw. Therefore, any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Fig. 2 and 7 are schematic diagrams illustrating an internal structure of the present embodiment, in which the tool body 1 includes a motor 12 therein, and the motor 12 includes an output shaft 121. The motor 12 is used as a power output element, is common in the prior art, and is reasonable in design. The motor 12 has an output shaft 121, and the output shaft 121 is fixedly connected to the second connector 4. As shown in fig. 2, a motor stopper 122 is further disposed in the tool body 1. The motor stopper 122 is used to fix the position of the motor 12.

It should be noted that a cable is connected to the inside of the tool body 1, and a plug is provided at the end of the cable. When the plug is inserted into the socket, the switch on the tool body 1 is turned on, the power is turned on, and the motor 12 starts to work. Further, a storage battery may be disposed inside the tool body 1, and the storage battery is electrically connected to the motor 12 and may provide a power source for the motor 12. This part of the structure is prior art and will not be described in detail, nor is it shown in the figures.

In some embodiments of the present invention, as shown in fig. 3. One end of the first connector 3 is provided with a first protrusion 31, the other end of the first connector 3 is provided with a first groove 32, and the first groove 32 is matched with the output shaft 121. The first connector 3 is cylindrical, a first groove 32 with a quadrangular cross section is formed on the right end surface of the first connector 3, and a first protrusion 31 with a quadrangular cross section extends from the left end surface of the first connector 3. Correspondingly, the section of the output shaft 121 close to the end part is also quadrilateral, and the size of the output shaft corresponds to that of the first groove 32. As shown in fig. 2, the output shaft 121 may be inserted inside the first groove 32.

Further, the first groove 32 having a quadrangular cross section is engaged with the output shaft 121 having the same cross sectional shape to facilitate the transmission. The first coupling 3 and the output shaft 121 can be regarded as approximately rigid bodies, and when the output shaft 121 rotates, the output shaft 121 does not slide in the first groove 32, so that the two have the advantages of tight fit and accurate transmission.

As shown in fig. 4, one end of the second connector 4 is provided with a second protrusion 41, the other end of the second connector 4 is provided with a second groove 42, and the second groove 42 is matched with the first protrusion 31. A second protrusion 41 having a circular cross section is provided on one end surface of the second connector 4. Similar to the first connector 3, a second groove 42 is correspondingly formed on the other end surface of the second connector 4, and the first protrusion 31 can be inserted into the second groove 42. When the tool body 1 and the tool head 2 are mounted together, the first protrusion 31 is just inserted into the second groove 42, so that the first connector 3 rotates the second connector 4. At the end of the second protrusion 41 is fixedly connected a tip capable of performing various functions, such as a drill 6, a screwdriver, a grinding head, etc.

It should be noted that the second protrusion 41 with a circular cross-section facilitates the rotation of the contact portion with the tool bit 2 without being affected. Also, as shown in fig. 3, a small section of circular cross section is provided at the right end of the first projection 31, and the periphery of the small section is in contact with the tool main body 1. In order to reduce friction, lubricating oil can be applied where the two come into contact. Further, the cross sections of the first groove 32, the second groove 42 and the first protrusion 31 are not limited to a quadrilateral, and other cross-sectional shapes such as a pentagon, a hexagon and a gear can be selected.

In some embodiments of the present invention, a first bearing 13 is disposed between the inner wall of the tool body 1 and the outer wall of the first connector 3, and a second bearing 21 is disposed between the inner wall of the tool bit 2 and the outer wall of the second connector 4. A circle of gap is reserved between the circumferential surface of the first connecting head 31 and the tool body 1, a first bearing 13 is installed in the gap, and the first bearing 13 is used for supporting the first connecting head 3 to rotate so as to reduce friction received by the first connecting head 3. A circle of gap is reserved between the circumferential surface of the second connector 4 and the tool head 2, a second bearing 21 is installed at the gap, and the second bearing 21 is used for supporting the second connector 4 to rotate so as to reduce friction received by the second connector 4.

In some embodiments of the present invention, as shown in fig. 1 and 2, the tool bit 2 is provided with a drill bit 6, one end of the drill bit 6 is fixedly connected to the second protrusion 41, and the fixed connection mode can be selected by welding. The tool head 2 of the present embodiment may be used for drilling.

In some embodiments of the present invention, as shown in fig. 5, the tool head 2 is provided with a juice extracting structure 7, and the top of the juice extracting structure 7 is fixedly connected with the tool head 2. The juicing structure 7 comprises a rotating rod 71, and the rotating rod 71 extends into the inner cavity of the juicing structure 7. One end of the rotating rod 71 is connected to the second protrusion 41, and a spiral blade 72 is provided on the circumferential surface of the rotating rod 71. The second protrusion 41 drives the rotating rod 71 to rotate, and the spiral blade 72 on the rotating rod 71 can be used for fruit juicing.

In some embodiments of the present invention, as shown in fig. 8 and 9, a connection sleeve 5 is disposed outside the tool head 2, and the connection sleeve 5 is fixedly connected to the tool head 2. The connecting sleeve 5 is provided with a clamping structure 51, and the clamping structure 51 comprises a spring 511, a wedge-shaped limiting member 512 and a reset member 513. The connecting sleeve 5 is provided with a through hole 52, and the resetting member 513 is arranged in the through hole 52 and can move in the through hole 52. The tool body 1 is provided with a spring groove 14, a spring 511 and a wedge stopper 512 are provided in the spring groove 14, and the spring 511 is always in a compressed state. One end of the wedge-shaped limiting piece 512 extends out of the spring slot 14 and corresponds to the through hole 52. The clamping structure 51 is used for clamping the tool head 2 and the tool body 1 so as to be easily disassembled and assembled. As shown in fig. 8, the tool head 2 and the tool body 1 are fixed together by a snap structure 51. At this time, the wedge-shaped end of the wedge-shaped limiting member 512 extends into the through hole 52, and the spring 511 abuts against the wedge-shaped limiting member 512. When the clamping is not needed, the reset part 513 is pressed down with force, and the reset part 513 pushes the wedge-shaped limiting part 512 out of the through hole 52, so that the tool head 2 and the tool body 1 can be separated from each other as shown in fig. 9. The clamping structure 51 can easily clamp the tool head 2 and the tool body 1, and the separation is also convenient.

In some embodiments of the present invention, the tool body 1 is provided with heat dissipation holes 8, the heat dissipation holes 8 are provided with dust screens 81 to prevent dust from entering the tool body 1.

In some embodiments of the present invention, as shown in fig. 6, the tool body 1 is provided with a handle 9, the handle 9 includes a connection column 91 and a handle 92, one end of the connection column 91 is fixedly connected to the tool body 1, and the other end of the connection column 91 is connected to the handle 92 by a screw.

The grip 9 is vertically disposed below the tool body 1, and the grip 9 includes a connecting post 91 and a handle 92. The upper end of the connecting column 91 is fixedly connected with the tool body 1, and the connecting mode can be selected by bonding. The handle 92 is connected to the lower end of the connecting post 91, and the connection mode can be selected from threaded connection. That is to say, the lower end of the connecting column 91 is provided with a thread, the top end of the handle 92 is provided with a screw hole, and the connecting column 91 and the handle 92 can be detachably connected through the thread and the screw hole. As shown in FIG. 1, the handle 92 is designed to have a thick end and a thin middle for easy holding, and is more comfortable to use.

In use, one hand holds the hand-held portion of the tool body 1, and the other hand holds the grip 92 of the grip 9. The two hands hold and control the tool body 1 together, the weight of the tool body 1 is dispersed on the two hands, and the stress of a single hand is reduced, so that the tool body is held more stably and is easier.

To sum up, the embodiment of the utility model provides an electric tool of demountable installation motor, including dismantling the instrument main part 1 and the instrument head 2 of connection, instrument main part 1 is provided with first connector 3, and instrument head 2 is provided with second connector 4, the technical scheme that first connector 3 and second connector 4 are connected. For a complete description of the invention, the tool body 1 includes a motor 12, and an output shaft 121 of the motor 12 drives the first connecting head 3 to rotate. A first bearing 13 is arranged between the inner wall of the tool body 1 and the outer wall of the first connector 3, and a second bearing 21 is arranged between the inner wall of the tool head 2 and the outer wall of the second connector 4. The second protrusion 41 of the second connector 4 is fixedly connected with various ends, such as the drill 6 or the juicing structure 7, etc. When in use, the connecting sleeve 5 is directly screwed to install the disassembling tool head 2. Therefore, the embodiment of the utility model provides a have that the function is various, range of application is extensive, convenient to use, hold stable beneficial effect.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electric tool of demountable installation motor, its characterized in that, includes tool main part and the instrument head of mutual demountable connection, tool main part is provided with motor cover, demountable installation's motor and first connector, the instrument head is provided with the second connector, first connector with the second connector rotates to be connected, the second connector is provided with the end.

2. The power tool with a detachable motor of claim 1, wherein the motor comprises an output shaft, and a motor limit block is further arranged in the tool body.

3. The power tool of claim 2, wherein the first connector has a first protrusion at one end and a first recess at the other end, the first recess being adapted to the output shaft.

4. The power tool with a detachable motor as claimed in claim 3, wherein one end of the second connector is provided with a second protrusion, the other end of the second connector is provided with a second groove, and the second groove is matched with the first protrusion.

5. The power tool with a detachable motor as claimed in claim 4, wherein a first bearing is disposed between the inner wall of the tool body and the outer wall of the first connector, and a second bearing is disposed between the inner wall of the tool head and the outer wall of the second connector.

6. The power tool of claim 5, wherein the head includes a drill bit, one end of the drill bit being coupled to the second protrusion.

7. The power tool with a detachable motor as claimed in claim 5, wherein the head includes a juicing structure, the juicing structure includes a rotating rod, one end of the rotating rod is connected with the second protrusion, and a spiral blade is disposed on the circumference of the rotating rod.

8. The power tool with the detachable motor according to any one of claims 1 to 7, wherein a connecting sleeve is disposed outside the tool head, the connecting sleeve is provided with a clamping structure, the clamping structure includes a spring, a wedge-shaped position-limiting member and a reset member, the connecting sleeve is provided with a through hole, the reset member is disposed in the through hole, the tool body is provided with a spring slot, the spring and the wedge-shaped position-limiting member are disposed in the spring slot, and one end of the wedge-shaped position-limiting member extends out of the spring slot and corresponds to the through hole.

9. The power tool of claim 1, wherein the tool body is provided with heat dissipation holes, and the heat dissipation holes are provided with dust screens.

10. The power tool with a detachable motor as claimed in claim 1, wherein the tool body is provided with a handle, the handle comprises a connecting column and a handle, one end of the connecting column is fixedly connected with the tool body, and the other end of the connecting column is in threaded connection with the handle.