Electric tool combination

Abstract

An electric tool combination comprises a machine body, a scaling machine head and a defeathering machine head. The machine body comprises a grab handle, a motor, a reducer, a coupler and a connecting part. The scaling machine head comprises a scraper, a rotating shaft, a protective cover, a first bearing and a first connecting piece; the plucking machine head comprises a plucking main rod, a plucking auxiliary rod, a first gear, a second gear and a second connecting piece; the scaling machine head and the defeathering machine head can be respectively connected with the machine body; when the scaling machine head is connected with the machine body, the first connecting piece is connected with the connecting part in a locking mode, meanwhile, the rotating shaft is in transmission connection with the coupler, and then the electric scaling machine is formed. When the plucking machine head is connected with the machine body, the second connecting piece is connected with the connecting part in a locking mode, meanwhile, the plucking main rod is in transmission connection with the coupler, and then the electric plucking machine is formed. The common machine body is connected with the scaling machine head and the dehairing machine head in a matched mode, the requirements for scaling of fishes and dehairing of poultry can be met at the same time, and therefore the use cost is reduced, and the portability of outdoor carrying is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power tools, in particular to a multi-functional power tool combination. Background Art

[0002] In the prior art, in order to facilitate fish scale scraping and poultry hair plucking, corresponding electric fish scale scrapers and electric hair pluckers have been designed. However, at present, the electric fish scale scrapers and electric hair pluckers on the market exist in a single form, and the two machines cannot be combined for use. This requires users to purchase the two machines simultaneously to meet the needs of fish scale scraping and poultry hair plucking, which will undoubtedly increase the user's usage cost and is not conducive to saving. Moreover, when going out for use, it is also necessary to carry the two machines at the same time, which is not conducive to the portability. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies of the above prior art, and provide a multi-functional power tool combination, which is connected with a fish scale scraping head and a hair plucking head through a common body, can simultaneously meet the needs of fish scale scraping and poultry hair plucking, thereby reducing the usage cost and improving the portability when going out.

[0004] The purpose of the utility model is realized through the following technical solutions:

[0005] A power tool combination includes a body, a fish scale scraping head and a hair plucking head; the body includes a handle, a motor arranged in the handle, a speed reducer arranged in the handle and connected with the motor, a coupling arranged at the output end of the speed reducer, and a connecting part arranged at the front end of the handle; the fish scale scraping head includes a scraper, a rotating shaft, a protective cover, a first bearing and a first connecting piece, the rotating shaft is rotatably installed in the first connecting piece through the first bearing, the front part of the rotating shaft exposes from the first connecting piece and is installed with the scraper, and the protective cover covers one side of the scraper and is fixedly connected with the first connecting piece; the hair plucking head includes a main hair plucking rod, a secondary hair plucking rod, a first gear, a second gear and a second connecting piece, the tails of the main hair plucking rod and the secondary hair plucking rod are rotatably arranged in the second connecting piece, the front parts of the main hair plucking rod and the secondary hair plucking rod expose in front of the second connecting piece, the first gear and the second gear are respectively installed at the tails of the main hair plucking rod and the secondary hair plucking rod, and the first gear and the second gear are meshed with each other; the fish scale scraping head and the hair plucking head can be respectively connected with the body; when the fish scale scraping head is connected with the body, the first connecting piece is tightly connected with the connecting part, and at the same time the rotating shaft is in transmission connection with the coupling, thus forming an electric fish scale scraper; when the hair plucking head is connected with the body, the second connecting piece is tightly connected with the connecting part, and at the same time the main hair plucking rod is in transmission connection with the coupling, thus forming an electric hair plucker.

[0006] Further, a lithium battery electrically connected to the motor is also provided inside the handle. The lithium battery, the motor, the reducer and the coupling are arranged in sequence from back to front, and the four are located on the same center line.

[0007] Further, the scraper includes a rod portion connected to the front part of the rotating shaft or integrated with the rotating shaft, and multiple rows of blades arranged at intervals in the circumferential direction on the rod portion; the main hair-pulling rod is a straight rod, the auxiliary hair-pulling rod is an inclined rod, and the front end of the auxiliary hair-pulling rod intersects the front end of the main hair-pulling rod at an acute angle. At the same time, the front ends of both the auxiliary hair-pulling rod and the main hair-pulling rod have pointed cone portions.

[0008] Further, the center of the coupling has an internal hexagonal hole opening forward. The tail of the rotating shaft is provided with a first external hexagonal connection section for insertion and connection with the internal hexagonal hole. The tail of the main hair-pulling rod is provided with a second external hexagonal connection section for insertion and connection with the internal hexagonal hole.

[0009] Further, the connecting portion is concentrically arranged with the coupling and is located on the circumferential outer side of the coupling.

[0010] As an implementation manner, the connecting portion includes an annular convex platform portion arranged on the circumferential outer side of the coupling and a rotating card slot portion arranged on the outer peripheral surface of the annular convex platform portion. The rotating card slot portion includes a guiding section and a clamping section; the tail of the first connecting piece is provided with a first socket for insertion and cooperation with the annular convex platform portion. The inner peripheral surface of the first socket is provided with a first clamping block, and the first clamping block can be inserted into the guiding section and rotated into the clamping section; the tail of the second connecting piece is provided with a second socket for insertion and cooperation with the annular convex platform portion. The inner peripheral surface of the second socket is provided with a second clamping block, and the second clamping block can also be inserted into the guiding section and rotated into the clamping section.

[0011] As another embodiment, the connecting portion includes a first open annular portion that is concentrically arranged with the coupling and located on the circumferential outer side of the coupling, two press-type fasteners that are symmetrically arranged on the outer wall of the first open annular portion and can rotate radially toward the first open annular portion, and two first limiting grooves that are symmetrically arranged on the inner wall of the first open annular portion and extend along the axial direction of the first open annular portion. Hooks that can penetrate into the corresponding first limiting grooves are provided at the front ends of the two press-type fasteners. The tail ends of the two press-type fasteners are press ends, and a return spring is provided between the tail ends and the outer wall of the first open annular portion. A first insertion sleeve portion for inserting into the first open annular portion and being inserted and sleeved therewith and a first annular stop portion for being stop-fitted with the front end face of the first open annular portion are provided at the tail of the first connecting member. Two first limiting ribs that are respectively matched with the two first limiting grooves are symmetrically arranged on the outer wall of the first insertion sleeve portion, and a first buckle groove for the hook of the corresponding press-type fastener to be buckled into is provided on each of the two first limiting ribs. A second insertion sleeve portion for inserting into the first open annular portion and being inserted and sleeved therewith and a second annular stop portion for being stop-fitted with the front end face of the first open annular portion are provided at the tail of the second connecting member. Two second limiting ribs that are respectively matched with the two first limiting grooves are symmetrically arranged on the outer wall of the second insertion sleeve portion, and a second buckle groove for the hook of the corresponding press-type fastener to be buckled into is provided on each of the two second limiting ribs.

[0012] Further, two outwardly protruding frames are symmetrically arranged on the outer wall of the first open annular portion. The two press-type fasteners are respectively embedded in the corresponding frames, and the middle parts of the two press-type fasteners are pivotally connected to the two side walls of the corresponding frames through pivot shafts.

[0013] As yet another embodiment, the connecting portion includes a second open annular portion that is concentrically arranged with the coupling and located on the circumferential outer side of the coupling, two second limiting grooves symmetrically arranged on the inner wall of the second open annular portion and extending along the axial direction of the second open annular portion, two chutes symmetrically arranged on the inner wall of the second open annular portion and extending along the axial direction of the second open annular portion, and two stop protrusions arranged on the axial inner sides of the corresponding chutes; the tail of the first connecting member is provided with a third insertion sleeve portion for inserting into the second open annular portion for insertion and sleeve fit therewith and a third annular stop portion for stop cooperation with the front end face of the second open annular portion. Two third limiting ribs and two first hooks are symmetrically arranged on the outer wall of the third insertion sleeve portion. When the third insertion sleeve portion is inserted into the second open annular portion, the two third limiting ribs are inserted into the corresponding second limiting grooves, and the two first hooks are inserted into the corresponding chutes and cross over the stop protrusions and are clamped inside the stop protrusions; the tail of the second connecting member is provided with a fourth insertion sleeve portion for inserting into the second open annular portion for insertion and sleeve fit therewith and a fourth annular stop portion for stop cooperation with the front end face of the second open annular portion. Two fourth limiting ribs and two second hooks are symmetrically arranged on the outer wall of the fourth insertion sleeve portion. When the fourth insertion sleeve portion is inserted into the second open annular portion, the two fourth limiting ribs are inserted into the corresponding second limiting grooves, and the two second hooks are inserted into the corresponding chutes and cross over the stop protrusions and are clamped inside the stop protrusions.

[0014] Further, the handle includes a hollow cylindrical handle body formed by butting two half shells towards each other and a rear cover sleeved on the tail end of the hollow cylindrical handle body. The connecting portion is formed at the front end of the hollow cylindrical handle body; alternatively, the handle includes a front shell front section, a front shell rear section, a rear shell, and a tail cover sequentially arranged from front to back. The front shell front section and the front shell rear section, the front shell rear section and the rear shell, and the rear shell and the tail cover are all connected by a rotary snap connection method. The connecting portion is formed at the front end of the front shell front section.

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] First, the power tool combination provided by the present utility model includes a common machine body and a fish scaling head and a hair plucking head that match the machine body. When the fish scaling head is connected to the machine body, an electric fish scaler can be formed, and when the hair plucking head is connected to the machine body, an electric hair plucker can be formed, thereby meeting the user's needs for fish scaling and poultry hair removal. Compared with the prior art where two machines need to be purchased to meet the needs, it has the advantages of low cost, convenient carrying, and strong practicability.

[0017] Second, the present utility model provides a variety of quick connection methods, which can realize simple disassembly and assembly between the fish scaling head and the hair plucking head and the machine body, thereby facilitating the interchangeable use between the two heads. Brief Description of the Drawings

[0018] Figure 1 is an overall schematic view of the power tool combination according to the first embodiment of the present utility model.

[0019] Figure 2 is a partially enlarged schematic view of the front end portion of the body in the first embodiment of the present utility model.

[0020] Figure 3 is a rear view three-dimensional schematic view of the fish-scaling head in the first embodiment of the present utility model.

[0021] Figure 4 is a rear view three-dimensional schematic view of the hair-pulling head in the first embodiment of the present utility model.

[0022] Figure 5 is an exploded schematic view of the fish-scaling head in the first embodiment of the present utility model.

[0023] Figure 6 is an exploded schematic view of the hair-pulling head in the first embodiment of the present utility model.

[0024] Figure 7 is a sectional view of the connection between the fish-scaling head and the body in the first embodiment of the present utility model.

[0025] Figure 8 is a sectional view of the connection between the hair-pulling head and the body in the first embodiment of the present utility model.

[0026] Figure 9 is an overall schematic view of the power tool combination according to the second embodiment of the present utility model.

[0027] Figure 10 is a partially enlarged schematic view of the front end portion of the body in the second embodiment of the present utility model.

[0028] Figure 11 is a schematic view of the structure of the push-button buckle in the second embodiment of the present utility model.

[0029] Figure 12 is a rear view three-dimensional schematic view of the fish-scaling head in the second embodiment of the present utility model.

[0030] Figure 13 is a three-dimensional schematic view of the hair-pulling head in the second embodiment of the present utility model.

[0031] Figure 14 is a partial sectional view of the connection between the fish-scaling head and the body in the second embodiment of the present utility model.

[0032] Figure 15 is an internal structure schematic view of the connection between the hair-pulling head and the body in the second embodiment of the present utility model.

[0033] Figure 16 It is an overall schematic diagram of the power tool combination according to the third embodiment of the present utility model.

[0034] Figure 17 It is a partially enlarged schematic diagram of the front end part of the machine body in the third embodiment of the present utility model.

[0035] Figure 18 It is a rear view three-dimensional schematic diagram of the fish-scaling head in the third embodiment of the present utility model.

[0036] Figure 19 It is a rear view three-dimensional schematic diagram of the hair-pulling head in the third embodiment of the present utility model. Detailed implementation manners

[0037] The present utility model will be further described in detail below with reference to the embodiments given in the accompanying drawings.

[0038] As Figures 1 to 8 shown, a power tool combination according to the present utility model includes a machine body 1, a fish-scaling head 2, and a hair-pulling head 3. Among them:

[0039] The machine body 1 includes a handle 11, a motor 12 arranged in the handle 11, a speed reducer 13 arranged in the handle 11 and connected to the motor 12, a coupling 14 arranged at the output end of the speed reducer 13, and a connection part 15 arranged at the front end of the handle 11. The speed reducer 13 can specifically adopt a planetary gear speed reducer. The connection part 15 is concentrically arranged with the coupling 14 and is located on the circumferential outer side of the coupling 14.

[0040] The fish-scaling head 2 includes a scraper 21, a rotating shaft 22, a protective cover 23, a first bearing 24, and a first connecting member 25. The rotating shaft 22 is rotatably installed in the first connecting member 25 through a first bearing 26. The front part of the rotating shaft 22 protrudes from the first connecting member 25 and is provided with the scraper 21. The protective cover 23 covers one side of the scraper 21 and is fixedly connected to the first connecting member 25. The scraper 21 includes a knife rod part 211 connected to the front part of the rotating shaft 22 or integrated with the rotating shaft 22, and multiple rows of blades 212 arranged at intervals along the circumferential direction on the knife rod part 211.

[0041] The hair-pulling head 3 includes a hair-pulling main rod 31, a hair-pulling auxiliary rod 32, a first gear 33, a second gear 34, and a second connecting member 35. The tails of the hair-pulling main rod 31 and the hair-pulling auxiliary rod 32 are rotatably arranged in the second connecting member 35. The front parts of the hair-pulling main rod 31 and the hair-pulling auxiliary rod 32 protrude in front of the second connecting member 35. The first gear 33 and the second gear 34 are respectively installed at the tails of the hair-pulling main rod 31 and the hair-pulling auxiliary rod 32, and the first gear 33 and the second gear 34 are meshed with each other. The hair-pulling main rod 31 is a straight rod, the hair-pulling auxiliary rod 32 is an inclined rod, and the front end of the hair-pulling auxiliary rod 32 intersects with the front end of the hair-pulling main rod 31 at an acute angle. At the same time, the front ends of both the hair-pulling auxiliary rod 32 and the hair-pulling main rod 31 have pointed cone parts 321, 311.

[0042] The fish scaling head 2 and the feather plucking head 3 can be respectively connected to the machine body 1. When the fish scaling head 2 is connected to the machine body 1, the first connecting member 25 is tightly connected to the connecting portion 15, and at the same time, the rotating shaft 22 is in transmission connection with the coupling 14, thereby forming an electric fish scaling machine. At this time, the motor 12 can drive the rotating shaft 22, and then drive the scraper 21 thereon to scale the fish. When the feather plucking head 3 is connected to the machine body 1, the second connecting member 35 is tightly connected to the connecting portion 15, and at the same time, the main feather plucking rod 31 is in transmission connection with the coupling 14, thereby forming an electric feather plucking machine. At this time, the motor 12 can drive the main feather plucking rod 31 and the auxiliary feather plucking rod 32, and suck and pull and separate the fluff on the surface of the poultry through the tapered portions 321 and 311, thereby realizing hair removal.

[0043] A lithium battery 16 electrically connected to the motor 12 is further provided inside the handle 11. The lithium battery 16, the motor 12, the reducer 13 and the coupling 14 are arranged in sequence from back to front, and the four are located on the same center line.

[0044] The center of the coupling 14 has an internal hexagonal hole 141 with an opening facing forward. The tail of the rotating shaft 22 is provided with a first external hexagonal connecting section 220 for inserting and sleeving connection with the internal hexagonal hole 141. That is, when the fish scaling head 2 is connected to the machine body 1, the first external hexagonal connecting section 220 is inserted into the internal hexagonal hole 141, so as to realize the transmission connection between the rotating shaft 22 and the coupling 14. The tail of the main feather plucking rod 31 is provided with a second external hexagonal connecting section 310 for inserting and sleeving connection with the internal hexagonal hole 141. That is, when the feather plucking head 3 is connected to the machine body 1, the second external hexagonal connecting section 310 is inserted into the internal hexagonal hole 141, so as to realize the transmission connection between the main feather plucking rod 31 and the coupling 14.

[0045] As Figure 2 、 Figure 3 、 Figure 4 、 Figure 7 and Figure 8 shown, in a preferred example of the present invention, the connecting portion 15 includes an annular convex portion 151 arranged on the circumferential outer side of the coupling 14 and a rotating card slot portion 152 arranged on the outer peripheral surface of the annular convex portion 151. The rotating card slot portion 152 includes a guiding section 1521 and a clamping section 1522.

[0046] The tail of the first connecting member 25 is provided with a first socket 251 for insertion and fitting with the annular boss portion 151. A first locking block 2511 is provided on the inner peripheral surface of the first socket 251. The first locking block 2511 can be inserted into the guiding section 1521 and rotatably locked into the locking section 1522. That is to say, when the fish-scaling head 2 is connected to the body 1, only need to insert the first socket 251 over the annular boss portion 151, let the first locking block 2511 be inserted into the guiding section 1521 and rotatably locked into the locking section 1522, then the locking connection between the first connecting member 25 and the connecting portion 15 can be realized. When disassembling, only need to reverse-rotate the first locking block 2511 to disengage it from the locking section 1522, and then through an outward pulling action, the first locking block 2511 is disengaged from the guiding section 1521, and the first socket 251 is disengaged from the annular boss portion 151.

[0047] The tail of the second connecting member 35 is provided with a second socket 351 for insertion and fitting with the annular boss portion 151. A second locking block 3511 is provided on the inner peripheral surface of the second socket 351. The second locking block 3511 can also be inserted into the guiding section 1521 and rotatably locked into the locking section 1522. That is to say, when the hair-removing head 3 is connected to the body 1, only need to insert the second socket 351 over the annular boss portion 151, let the second locking block 3511 be inserted into the guiding section 1521 and rotatably locked into the locking section 1522, then the locking connection between the second connecting member 35 and the connecting portion 15 can be realized. When disassembling, only need to reverse-rotate the second locking block 3511 to disengage it from the locking section 1522, and then through an outward pulling action, the second locking block 3511 is disengaged from the guiding section 1521, and the second socket 351 is disengaged from the annular boss portion 151.

[0048] Moreover, in this preferred example, in order to make the locking connection between the first connecting member 25 or the second connecting member 35 and the connecting portion 15 more reliable, the rotary slot portion 152 can be at least two symmetrically arranged. Correspondingly, the first locking block 2511 on the first connecting member 25 or the second locking block 3511 on the second connecting member 35 can also be at least two symmetrically arranged.

[0049] As Figures 9 to 15 shown, in another preferred example of the present utility model, the connecting portion 15 includes a first open annular portion 153 concentrically arranged with the coupling 14 and located on the circumferential outer side of the coupling 14, two press-type fasteners 154 symmetrically arranged on the outer wall of the first open annular portion 153 and rotatable in the radial direction of the first open annular portion 153, and two first limiting grooves 155 symmetrically arranged on the inner wall of the first open annular portion 153 and extending along the axial direction of the first open annular portion 153. The front ends of the two press-type fasteners 154 are provided with hooks 1541 that can penetrate into the corresponding first limiting grooves 155. The tail ends of the two press-type fasteners 154 are press ends 1542, and a return spring 1543 is provided between the press ends 1542 and the outer wall of the first open annular portion 153.

[0050] The tail of the first connecting member 25 is provided with a first socket portion 252 for inserting into the first open annular portion 153 for socket fit therewith and a first annular stop portion 253 for stop fit with the front end face of the first open annular portion 153. On the outer wall of the first socket portion 252, two first limiting ribs 254 respectively cooperating with the two first limiting grooves 155 are symmetrically provided, and on each of the two first limiting ribs 254, a first locking groove 2541 for the hook portion 1541 of the corresponding push-button snap 154 to be snapped into is provided. When the fish-scaling head 2 is connected to the machine body 1, only need to align the two first limiting ribs 254 with the two first limiting grooves 155 first, and then insert the first socket portion 252 into the first open annular portion 153 until the first annular stop portion 253 is in stop fit with the front end face of the first open annular portion 153. At this time, the hook portions 1541 on the two push-button snaps 154 are just snapped into the first locking grooves 2541 on the two first limiting ribs 254, so as to realize the locking connection between the first connecting member 25 and the connecting portion 15. When disassembling, only need to press the pressing ends 1542 of the two push-button snaps 154 to make the hook portions 1541 disengage from the first locking grooves 2541, and then pull out the first socket portion 252 from the first open annular portion 153.

[0051] The tail of the second connecting member 35 is provided with a second socket portion 352 for inserting into the first open annular portion 153 for socket fit therewith and a second annular stop portion 353 for stop fit with the front end face of the first open annular portion 153. On the outer wall of the second socket portion 352, two second limiting ribs 354 respectively cooperating with the two first limiting grooves 155 are symmetrically provided, and on each of the two second limiting ribs 354, a second locking groove 3541 for the hook portion 1541 of the corresponding push-button snap 154 to be snapped into is provided. When the hair-removing head 3 is connected to the machine body 1, only need to align the two second limiting ribs 354 with the two first limiting grooves 155 first, and then insert the second socket portion 352 into the first open annular portion 153 until the second annular stop portion 353 is in stop fit with the front end face of the first open annular portion 153. At this time, the hook portions 1541 on the two push-button snaps 154 are just snapped into the second locking grooves 3541 on the two second limiting ribs 354, so as to realize the locking connection between the second connecting member 35 and the connecting portion 15. When disassembling, only need to press the pressing ends 1542 of the two push-button snaps 154 to make the hook portions 1541 disengage from the second locking grooves 3541, and then pull out the second socket portion 352 from the first open annular portion 153.

[0052] Moreover, in this preferred embodiment, two outwardly protruding frames 1531 are symmetrically provided on the outer wall of the first open annular portion 153. Two push-button fasteners 154 are respectively inserted into the corresponding frames 1531, and the middle portions of the two push-button fasteners 154 are pivotally connected to the two side walls of the corresponding frames 1531 through pivot shafts 1532, so that the two push-button fasteners 154 can rotate radially toward the first open annular portion 153.

[0053] As Figures 16 to 19 shown, in another preferred embodiment of the present invention, the connecting portion 15 includes a second open annular portion 156 concentrically arranged with the coupling 14 and located on the circumferential outer side of the coupling 14, two second limiting grooves 157 symmetrically provided on the inner wall of the second open annular portion 156 and extending along the axial direction of the second open annular portion 156, two chutes 158 symmetrically provided on the inner wall of the second open annular portion 156 and extending along the axial direction of the second open annular portion 156, and two stop protrusions 159 provided on the axial inner sides of the corresponding chutes 158.

[0054] The tail of the first connecting member 25 is provided with a third socket portion 255 for inserting into the second open annular portion 156 for socketing cooperation therewith and a third annular stop portion 256 for stop cooperation with the front end face of the second open annular portion 156. Two third limiting ribs 2551 and two first hooks 2552 are symmetrically provided on the outer wall of the third socket portion 255. When the third socket portion 255 is inserted into the second open annular portion 156, the two third limiting ribs 2551 are inserted into the corresponding second limiting grooves 157, and the two first hooks 2552 are inserted into the corresponding chutes 158 and pass over the stop protrusions 159 and are caught inside the stop protrusions 159, so as to realize the locking connection between the first connecting member 25 and the connecting portion 15 when the fish-scaling head 2 is connected to the machine body 1. When disassembling, only need to pull the first connecting member 25 outwardly with force, so that the two first hooks 2552 overcome the stop of the two stop protrusions 159 and smoothly disengage from the two chutes 158, and the two third limiting ribs 2551 smoothly disengage from the two second limiting grooves 157 and the two third socket portions 255 smoothly disengage from the second open annular portion 156.

[0055] The tail of the second connecting member 35 is provided with a fourth socket part 355 for inserting into the second open annular part 156 for socket fitting therewith and a fourth annular stop part 356 for stop fitting with the front end face of the second open annular part 156. On the outer wall of the fourth socket part 355, two fourth limiting ribs 3551 and two second hooks 3552 are symmetrically arranged. When the fourth socket part 355 is inserted into the second open annular part 156, the two fourth limiting ribs 3551 are inserted into the corresponding second limiting grooves 157, and the two second hooks 3552 are inserted into the corresponding chutes 158 and pass over the stop protrusions 159 and are clamped inside the stop protrusions 159, so as to realize the locking connection between the second connecting member 35 and the connecting part 15 when the hair pulling head 3 is connected to the machine body 1. When disassembling, only need to pull the second connecting member 35 outwards with force, so that the two second hooks 3552 overcome the stop of the two stop protrusions 159 and smoothly escape from the two chutes 158, and the two fourth limiting ribs 3551 smoothly escape from the two second limiting grooves 157 and the two fourth socket parts 355 smoothly escape from the second open annular part 156.

[0056] As Figure 9 and Figure 16 shown, in a preferred example of the present utility model, the handle 11 includes a hollow columnar handle body 111 composed of two half shells butted against each other and a rear cover 112 sleeved on the tail end of the hollow columnar handle body 111, and the connecting part 15 is formed at the front end of the hollow columnar handle body 111. The handle 11 is designed in this way, which is beneficial to the installation, disassembly and maintenance of the components therein.

[0057] As Figure 1 shown, in another preferred example of the present utility model, the handle 11 includes a front shell front section 113, a front shell rear section 114, a rear shell 115 and a tail cover 116 arranged in sequence from front to back. The front shell front section 113 and the front shell rear section 114, the front shell rear section 114 and the rear shell 115, and the rear shell 115 and the tail cover 116 are all connected by a rotary snap connection method. The specific rotary snap connection method can refer to the rotary snap connection structure of the aforementioned first block 2511 or the second block 3511 and the rotary slot part 152 for design. The connecting part 15 is formed at the front end of the front shell front section 114. The handle 11 is designed in this way, which is also beneficial to the installation, disassembly and maintenance of the components therein.

[0058] In other alternative examples of the present utility model, the power tool combination may further include other working heads that can be connected to the machine body 1 in a matching manner, such as a hair cutting head, a tar peeling head, etc., thereby increasing the functions of the power tool combination.

[0059] The above are only the preferred embodiments of the present utility model, and thus cannot be used to limit the scope of implementation of the present utility model. That is to say, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present utility model and the content of the utility model description still fall within the scope covered by the patent of the present utility model.

Claims

1. An electric tool assembly, characterized in that: It includes a machine body, a scale scraping machine head and a hair plucking machine head; The machine body comprises a handle, a motor arranged in the handle, a reducer arranged in the handle and connected to the motor, a coupling arranged at the output end of the reducer, and a connecting part arranged at the front end of the handle; The scale scraping machine head comprises a scraper, a rotating shaft, a protective cover, a first bearing and a first connecting member, wherein the rotating shaft is rotatably mounted in the first connecting member through the first bearing, the front portion of the rotating shaft is exposed from the first connecting member and is mounted with the scraper, and the protective cover is externally covered on one side of the scraper and is fixedly connected to the first connecting member; The hair plucking machine head comprises a hair plucking main rod, a hair plucking auxiliary rod, a first gear, a second gear and a second connecting piece. The tails of the hair plucking main rod and the hair plucking auxiliary rod are rotatably arranged in the second connecting piece, and the fronts of the hair plucking main rod and the hair plucking auxiliary rod are exposed in front of the second connecting piece. The first gear and the second gear are respectively installed at the tails of the hair plucking main rod and the hair plucking auxiliary rod, and the first gear and the second gear are meshed with each other. The scale scraping head and the hair plucking head can be connected to the machine body respectively; When the scale scraper head is connected to the machine body, the first connecting member is locked and connected to the connecting portion, and at the same time the rotating shaft is drivingly connected to the coupling, thereby forming an electric scale scraper; When the hair plucking machine head is connected to the machine body, the second connecting member is locked and connected to the connecting portion, and at the same time, the hair plucking main rod is drivingly connected to the coupling, thereby forming an electric hair plucking machine.

2. The electric tool assembly according to claim 1, characterized in that: A lithium battery electrically connected to the motor is also arranged in the handle. The lithium battery, the motor, the reducer and the coupling are arranged in sequence from back to front, and the four are located on the same center line.

3. The electric tool assembly according to claim 1, characterized in that: The scraper includes a knife bar portion connected to the front portion of the rotating shaft or integrated with the rotating shaft, and a plurality of rows of blades arranged on the knife bar portion at intervals along the circumferential direction; the hair plucking main rod is a straight rod, the hair plucking auxiliary rod is an inclined rod, and the front end of the hair plucking auxiliary rod intersects with the front end of the hair plucking main rod at an acute angle, and the front ends of the hair plucking auxiliary rod and the hair plucking main rod both have a pointed cone portion.

4. The electric tool assembly according to claim 1, characterized in that: The center of the coupling has an inner hexagonal hole opening forward, the tail of the rotating shaft is provided with a first outer hexagonal connecting section for connecting with the inner hexagonal hole socket, and the tail of the hair plucking main rod is provided with a second outer hexagonal connecting section for connecting with the inner hexagonal hole socket.

5. The electric tool assembly according to claim 1, characterized in that: The connecting portion is arranged concentrically with the coupling and is located outside the coupling in the circumferential direction.

6. An electric tool assembly according to claim 1 or 2 or 3 or 4 or 5, characterized in that: The connecting portion includes an annular boss portion arranged around the circumferential outer side of the coupling and a rotating slot portion arranged on the outer circumferential surface of the annular boss portion, and the rotating slot portion includes an introduction section and a clamping section; the tail of the first connecting piece is provided with a first sleeve for cooperating with the annular boss portion sleeve, and a first clamping block is provided on the inner circumference of the first sleeve, and the first clamping block can be inserted into the introduction section and rotated to clamp into the clamping section; the tail of the second connecting piece is provided with a second sleeve for cooperating with the annular boss portion sleeve, and a second clamping block is provided on the inner circumference of the second sleeve, and the second clamping block can also be inserted into the introduction section and rotated to clamp into the clamping section.

7. An electric tool assembly according to claim 1 or 2 or 3 or 4 or 5, characterized in that: The connecting portion includes a first open annular portion which is arranged concentrically with the coupling and is located on the circumferential outer side of the coupling, two push-type buckles which are symmetrically arranged on the outer wall of the first open annular portion and can rotate radially toward the first open annular portion, and two first limiting grooves which are symmetrically arranged on the inner wall of the first open annular portion and extend axially along the first open annular portion, the front ends of the two push-type buckles are provided with hooks which can be inserted into the corresponding first limiting grooves, the tail ends of the two push-type buckles are pressing ends and a return spring is provided between the outer wall of the first open annular portion; the tail end of the first connecting piece is provided with a first sleeve portion for being inserted into the first open annular portion and mating with the sleeve therewith, and a first sleeve portion for being mated with the first open annular portion. A first annular stopper cooperates with the front end face stopper of the opening annular portion, and two first limiting convex ribs respectively cooperating with the two first limiting grooves are symmetrically arranged on the outer wall of the first plug-in sleeve portion, and the two first limiting convex ribs are each provided with a first buckle groove for the corresponding push-type buckle hook to buckle into; a second plug-in sleeve portion for being inserted into the first opening annular portion and plug-in cooperating with it and a second annular stopper cooperates with the front end face stopper of the first opening annular portion, and two second limiting convex ribs respectively cooperating with the two first limiting grooves are symmetrically arranged on the outer wall of the second plug-in sleeve portion, and the two second limiting convex ribs are each provided with a second buckle groove for the corresponding push-type buckle hook to buckle into.

8. The electric tool assembly according to claim 7, characterized in that: Two outwardly protruding frames are symmetrically arranged on the outer wall of the first open annular portion, the two push-type buckles are respectively embedded in the corresponding frames, and the middle parts of the two push-type buckles are pivotally connected to the two side walls of the corresponding frames through a pivot.

9. An electric tool assembly according to claim 1 or 2 or 3 or 4 or 5, characterized in that: The second end of the second end of the second cam is connected to the support frame of the second cam, and the support frame of the second cam is connected with the support frame of the second cam. When the second opening annular portion is inserted into the second opening annular portion, the two third limiting ribs are inserted into the corresponding second limiting grooves, and the two first hooks are inserted into the corresponding sliding grooves and pass over the stop convex portion to be stuck on the inner side of the stop convex portion; the tail part of the second connecting member is provided with a fourth plug-in sleeve portion for inserting into the second opening annular portion and cooperating with the plug-in sleeve therewith, and a fourth annular stop portion for cooperating with the front end surface stop of the second opening annular portion, and two fourth limiting ribs and two second hooks are symmetrically provided on the outer wall of the fourth plug-in sleeve portion, and when the fourth plug-in sleeve portion is inserted into the second opening annular portion, the two fourth limiting ribs are inserted into the corresponding second limiting grooves, and the two second hooks are inserted into the corresponding sliding grooves and pass over the stop convex portion to be stuck on the inner side of the stop convex portion.

10. An electric tool assembly according to claim 1 or 2 or 3 or 4 or 5, characterized in that: The handle includes a hollow cylindrical handle body composed of two half shells connected to each other and a rear cover covering the rear end of the hollow cylindrical handle body, and the connecting portion is formed at the front end of the hollow cylindrical handle body; or, the handle includes a front shell front section, a front shell rear section, a rear shell and a rear cover arranged in sequence from front to back, and the front shell front section and the front shell rear section, the front shell rear section and the rear shell, and the rear shell and the tail cover are all connected by a rotating snap-fit ​​method, and the connecting portion is formed at the front end of the front shell front section.

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