CN112192519A

CN112192519A - Hand-held domestic electric tool

Info

Publication number: CN112192519A
Application number: CN202011151814.7A
Authority: CN
Inventors: 胡垚
Original assignee: Yongkang Hebang Tools Co ltd
Current assignee: Yongkang Hebang Tools Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-01-08

Abstract

The invention discloses a handheld household electric tool, which comprises a front cover, a transmission module, a machine shell, a motor module and a battery module, wherein the motor module comprises a motor, a motor rear cover connected to the motor and an electric adapter, the electric adapter is provided with an adapter elastic socket in insertion fit with a positive electrode insertion piece and a negative electrode insertion piece of the motor and an adapter insertion piece in insertion fit with a power supply elastic socket, the electric adapter is correspondingly arranged on adapter jacks at the left side and the right side of the motor rear cover, a fixing buckle and an elastic buckle for blocking the electric adapter from moving back and forth are correspondingly arranged on the motor rear cover at the rear end of the adapter jacks, and positioning grooves which are matched with the adapter insertion pieces to prevent the adapter insertion pieces from shaking are arranged on the adapter jacks. After adopting above-mentioned structure, have structure modularization, assembly simple and convenient, work efficiency is high, the stability of quality is good, low in labor strength, dismantle advantages such as repair convenience.

Description

Hand-held domestic electric tool

Technical Field

The invention belongs to the technical field of household electric tools, and particularly relates to a handheld household electric tool convenient for modular production and assembly.

Background

The hand-held household electric tools sold on the market at present are various in variety, such as a lithium electric screwdriver, a lithium electric eggbeater, a lithium electric stirrer, a lithium electric massage gun and the like, most of the hand-held household electric tools adopt a screw connection mode, the structure is single, the number of screws of different products is different, screw mounting holes have destructive effect on continuity of the surfaces of the products, the appearance image of the products is greatly influenced, the visual perception is poor, and the labor intensity is high; the motor and the power supply are in soft connection by adopting flexible wires and screws for pressing, welding and the like, or are in hard connection by directly adopting a welding mode, the assembly process is complex, and the requirement on the technical level of personnel is high; the assembly personnel and equipment are more in configuration, the product quality stability is poor, the working efficiency is low, the production cost is high, and the disassembly and the repair are inconvenient. Aiming at the problems, many manufacturers and acquaintances develop and trial-produce the products, but no ideal products are available.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide the handheld household electric tool which is modularized in structure, simple and convenient to assemble, high in working efficiency, good in quality stability, low in labor intensity, convenient to disassemble and repair and free of screw connection.

The invention discloses a technical scheme for solving the technical problem, which comprises a front cover, a transmission module, a machine shell, a motor module and a battery module, wherein the motor module and the battery module are correspondingly arranged on the machine shell, the motor module comprises a motor, a motor rear cover connected to the motor and an electric adapter, the electric adapter is provided with an adapter elastic socket in insertion fit with positive and negative pole insertion pieces of the motor and an adapter insertion piece in insertion fit with a power supply elastic socket on the battery module, two sides of the motor rear cover are correspondingly provided with a left adapter insertion hole and a right adapter insertion hole in tight fit with the electric adapter, the electric adapter is correspondingly arranged on the adapter insertion holes on the left side and the right side, the motor rear cover at the rear end of the adapter insertion holes is correspondingly provided with a fixing buckle and an elastic buckle for blocking the electric adapter from moving back and forth, and back movement of the electric adapter insertion piece is prevented, and.

According to a further scheme of the invention, the transmission module comprises a speed reducer seat and a speed reducer, a locking block is arranged on the speed reducer, an L-shaped locking groove consisting of a straight groove and a transverse groove is formed in a front cover of the motor, the locking block of the speed reducer is inserted from the straight groove during installation, and then the speed reducer is rotated to enable the locking block to be locked on the transverse groove of the L-shaped locking groove.

According to a further scheme of the invention, the speed reducer and the front cover of the motor are correspondingly provided with the speed reducer positioning groove and the motor positioning groove, the speed reducer seat is provided with the positioning insertion piece, the speed reducer seat covers the speed reducer during installation, and the positioning insertion piece is inserted in the speed reducer positioning groove and the motor positioning groove.

In a further scheme of the invention, the front cover covers the reducer seat and is fastened and fixed with the casing.

According to a further scheme of the invention, the battery module comprises a left support, a right support, a control panel and a rechargeable battery, wherein the control panel and the rechargeable battery are fixedly connected into a whole, a power supply elastic socket which is in plug-in fit with the switching insertion sheet and a control switch for controlling the motor to work are arranged on the control panel, and the left support and the right support are tightly matched with a fixing hole of the fixing column through the positioning column and are fixedly connected with the control panel and the rechargeable.

According to a further scheme of the invention, battery positioning pieces for tightly holding the rechargeable battery and control panel clamping grooves for fastening the control panel are arranged on the left bracket and the right bracket.

In a further scheme of the invention, a switch button matched with the control switch is arranged on the casing.

In a further scheme of the invention, a bottom cover is fixed on the casing through the matching of the groove and the convex rib, and a charging socket matched with the control panel charging seat is arranged on the bottom cover.

After adopting above-mentioned structure, compared with prior art have following advantage and effect: firstly, owing to adopt modular structure and screwless connection structure, not only simplified assembly process, reduced intensity of labour, improved work efficiency, can reduced the requirement to assembly staff technical quality moreover, general staff just can be competent work, has improved product quality's stability greatly. Secondly, in order to realize wireless and weldless quick connection, the electric adapter is correspondingly installed on the adapter jacks at the left side and the right side, a fixing buckle and an elastic buckle which are used for blocking the electric adapter from moving back and forth are correspondingly arranged on a motor rear cover at the rear end of the adapter jack, and a positioning groove which is matched with the switching insertion piece to prevent the switching insertion piece from shaking is arranged on the adapter jack, so that the electric adapter cannot move back and forth and cannot shake left and right, and accurate alignment, reliable plugging, convenient assembly and disassembly, stable and reliable product quality and good consistency between the switching elastic socket and the motor positive and negative electrode insertion pieces as well as between the switching insertion piece and the power supply elastic socket are ensured. Thirdly, the functions of different household electric tools can be realized by adopting different transmission modules and changing the working heads connected with the output shafts of the transmission modules, and the multifunctional electric tool has the advantages of simple assembly process, convenient organization and production, high working efficiency, good product quality and the like.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic diagram of the internal structure matching structure of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is an exploded view of the rear cover and the electrical adapter of the motor of the present invention.

Fig. 5 is a schematic view of the L-direction fitting structure of fig. 2 according to the present invention.

Fig. 6 is an exploded view of a battery module according to the present invention.

The automatic control device comprises a front cover 1, a speed reducer seat 2, a speed reducer 3, a motor 4, a motor rear cover 5, a machine shell 6, a battery module 7, a bottom cover 8, a switch button 9, a positioning insertion piece 21, a locking piece 31, a speed reducer positioning groove 32, a 41L-shaped locking groove, a motor positive and negative insertion piece 42, a motor positioning groove 43, an electric adapter seat 51, an elastic adapter 52, an adapter insertion piece 53, a positioning column 70, an elastic power socket 71, a control panel 72, a control switch 73, a rechargeable battery 74, a left support 75, a right support 76, a control panel clamping groove 77, a fixed column 78, a battery positioning piece 79 and a charging socket 81.

Detailed Description

Fig. 1 to 6 show a specific embodiment of a hand-held household electric tool according to the present invention, which comprises a front cover 1, a transmission module, a housing 6, a motor module, and a battery module 7, wherein the motor module and the battery module 7 are correspondingly mounted on the housing 6, the motor module comprises a motor 4, a motor rear cover 5 connected to the motor 4, and an electrical adapter 51, the electrical adapter 51 is provided with an electrical adapter 52 mating with a positive and negative electrode tab 42 of the motor and an electrical adapter 53 mating with an electrical adapter 71 of the battery module 7, two sides of the motor rear cover 5 are correspondingly provided with a left and a right adapter jacks 55 mating with the electrical adapter 51, the electrical adapter 51 is correspondingly mounted on the adapter jacks 55 on the left and the right sides, the motor rear cover 5 at the rear end of the adapter jacks 55 is correspondingly provided with a fixing buckle 54 and an elastic buckle 57 for blocking the electrical adapter 51 from moving back and forth, the positioning groove 56 which is matched with the switching insertion sheet 53 to prevent the switching insertion sheet 53 from shaking is arranged on the switching base insertion hole 55, so that the electric switching base 51 cannot move back and forth or shake left and right, and the accurate alignment, reliable insertion and convenient assembly and disassembly between the switching elastic socket 52 of the electric switching base 51 and the positive and negative electrode insertion sheets 42 of the motor as well as between the switching insertion sheet 53 and the power supply elastic socket 71 are ensured.

In order to ensure that the transmission module is convenient to mount and dismount, the transmission module comprises a speed reducer seat 2 and a speed reducer 3, a locking block 31 is arranged on the speed reducer 3, an L-shaped locking groove 41 consisting of a straight groove and a transverse groove is formed in the front cover of the motor 4, the locking block 31 of the speed reducer 3 is inserted from the straight groove during mounting, and then the speed reducer 3 is rotated to enable the locking block 31 to be locked on the transverse groove of the L-shaped locking groove 41. In order to ensure reliable connection, the front covers of the speed reducer 3 and the motor 4 are correspondingly provided with a speed reducer positioning groove 32 and a motor positioning groove 43, the speed reducer seat 2 is provided with a positioning insertion piece 21, the speed reducer seat 2 covers the speed reducer 3 during installation, and the positioning insertion piece 21 is inserted in the speed reducer positioning groove 32 and the motor positioning groove 43. The front cover 1 covers the speed reducer seat 2 and is fastened and fixed with the casing 6.

In order to ensure that the battery module 7 is convenient to mount and dismount, the battery module 7 comprises a left support 75, a right support 76, a control panel 72 and a rechargeable battery 74 which are fixedly connected into a whole, a power supply elastic socket 71 which is in plug-in fit with the switching insertion sheet 53 and a control switch 73 which controls the work of the motor 4 are arranged on the control panel 72, and the left support 75, the right support 76 and the fixed hole of the fixed column 78 are tightly matched and fixedly connected with the control panel 72 and the rechargeable battery 74 through the positioning column 70. In order to ensure that the left and

right brackets

75, 76 are reliably connected with the rechargeable battery 74 and the control board 72, the left and

right brackets

75, 76 are provided with battery positioning pieces 79 for tightly holding the rechargeable battery 74 and control board slots 77 for fastening the control board 72.

For the convenience of operation, the housing 6 is provided with a switch button 9 matched with the control switch 73.

In order to facilitate the assembly and disassembly, a bottom cover 8 is fixed on the casing 6 through the matching of the groove and the convex rib, and a charging socket 81 matched with the control panel charging seat is arranged on the bottom cover 8.

The above description is only an example of the present invention, and is not intended to limit the present invention in any way, and simple modifications, equivalent changes and modifications made without departing from the technical solution of the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a domestic electric tool of hand-held type, includes protecgulum (1), transmission module, casing (6), motor module, battery module (7), and motor module and battery module (7) correspond and install on casing (6), characterized by: the motor module comprises a motor (4) and a motor rear cover (5) connected with the motor (4), the electric adapter (51) is provided with an electric adapter elastic socket (52) which is in plug-in fit with a positive electrode plug-in sheet (42) and a negative electrode plug-in sheet (53) which is in plug-in fit with a power supply elastic socket (71) on a battery module (7) on the electric adapter (51), left and right adapter jacks (55) which are in close fit with the electric adapter (51) are correspondingly arranged on two sides of a motor rear cover (5), the electric adapter (51) is correspondingly arranged on the adapter jacks (55) on the left and right sides, a fixing buckle (54) and an elastic buckle (57) which block the electric adapter (51) from moving back and forth are correspondingly arranged on the motor rear cover (5) at the rear end of the adapter jacks (55), and a positioning groove (56) which is matched with the adapter plug-in sheet (53) to prevent the adapter plug-in sheet (53) from shaking is.

2. A hand-held domestic power tool according to claim 1, wherein: the transmission module comprises a speed reducer seat (2) and a speed reducer (3), a locking block (31) is arranged on the speed reducer (3), an L-shaped locking groove (41) consisting of a straight groove and a transverse groove is formed in a front cover of the motor (4), the locking block (31) of the speed reducer (3) is inserted from the straight groove during installation, and then the speed reducer (3) is rotated to enable the locking block (31) to be locked on the transverse groove of the L-shaped locking groove (41).

3. A hand-held domestic power tool according to claim 2, wherein: the front cover of reduction gear (3) and motor (4) on correspond and be equipped with reduction gear constant head tank (32) and motor constant head tank (43), be equipped with location inserted sheet (21) on reduction gear seat (2), reduction gear seat (2) shroud is on reduction gear (3) during the installation, location inserted sheet (21) are pegged graft in reduction gear constant head tank (32) and motor constant head tank (43).

4. A hand-held domestic power tool according to claim 3, wherein: the front cover (1) covers the reducer seat (2) and is fastened and fixed with the casing (6).

5. A hand-held domestic power tool according to claim 1, wherein: battery module (7) are including controlling support (75, 76), fixed control panel (72) and rechargeable battery (74) as an organic whole even, are equipped with on control panel (72) with switching inserted sheet (53) grafting complex power elasticity socket (71) and control switch (73) of control motor (4) work, control support (75, 76) are through fixed orifices tight fit fixed connection control panel (72) and rechargeable battery (74) of reference column (70) and fixed column (78).

6. The hand-held, household power tool of claim 5, wherein: the left and right brackets (75, 76) are provided with battery positioning sheets (79) which tightly hold the rechargeable battery (74) and control panel clamping grooves (77) which are used for buckling the control panel (72).

7. The hand-held, household power tool of claim 6, further comprising: and a switch button (9) matched with the control switch (73) is arranged on the shell (6).

8. The hand-held, household power tool of claim 7, wherein: the shell (6) is fixed with a bottom cover (8) through the matching of the groove and the convex rib, and the bottom cover (8) is provided with a charging socket (81) matched with the control panel charging seat.