CN110757417B - Quick-change handheld tool - Google Patents
Quick-change handheld tool Download PDFInfo
- Publication number
- CN110757417B CN110757417B CN201911192835.0A CN201911192835A CN110757417B CN 110757417 B CN110757417 B CN 110757417B CN 201911192835 A CN201911192835 A CN 201911192835A CN 110757417 B CN110757417 B CN 110757417B
- Authority
- CN
- China
- Prior art keywords
- quick
- connection
- inner quick
- functional
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 22
- 229910052802 copper Inorganic materials 0.000 claims description 22
- 239000010949 copper Substances 0.000 claims description 22
- 230000008859 change Effects 0.000 claims description 12
- 230000017525 heat dissipation Effects 0.000 claims description 12
- 210000003195 fascia Anatomy 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 2
- 210000005069 ears Anatomy 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 17
- 229910052744 lithium Inorganic materials 0.000 description 17
- 230000001105 regulatory effect Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 230000000670 limiting effect Effects 0.000 description 4
- 238000005034 decoration Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005201 scrubbing Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000012149 noodles Nutrition 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 235000013322 soy milk Nutrition 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a quick-change handheld tool.A shell part is formed by buckling and connecting an upper shell and a lower shell, a first accommodating cavity is arranged in the shell part, a driving motor is arranged in the first accommodating cavity, an output shaft of the driving motor is inserted into one end of an inner quick-connection component, and the other end of the inner quick-connection component is inserted into a functional shaft sleeve; the rotary baffle disc is elastically connected to one end of the shell part through two first springs, two clamping grooves are formed in the side wall of the outer side of the shell part, two clamping pins are fixed on the inner side wall of the functional shell, and the clamping pins are correspondingly arranged with the clamping grooves; when the clamping pin is clamped in the clamping groove, the clamping pin is abutted against the rotary baffle disc; the functional head is a household electrical appliance. Aims at solving the problem that household appliances in the prior art cannot be converted into a plurality of different appliances for use when being singly used. The effect is as follows: realizes the functions of one machine with multiple functions, saves energy, reduces emission, reduces resource waste, the functional heads are automatically identified, and power required by different functional heads is provided.
Description
Technical Field
The embodiment of the invention relates to the technical field of household living tools, in particular to a quick-change handheld tool.
Background
At present, 220V wired alternating current is mostly adopted in household appliances, and when the household appliances are used, wire insertion is needed, for example, fascia guns, screw drivers, electric wrenches, hedge trimmers, double vibration massage instruments, rotary scrubbing machines, light stirrers, heavy stirrers, electric fans, noodle machines and the like; the household electrical appliances are used independently, only a unique function can be used, the household electrical appliances cannot be converted into other tools or electrical appliances for use, in addition, some tools or electrical appliances on the market in the prior art adopt a lithium battery wireless technology, but the power is small, the endurance time is short, the household electrical appliances are charged frequently, the price is high, only the unique function can be used, and the defects of the prior art are that:
1. each tool or appliance is unique, and many different household tools or appliances need to be purchased with many different functions;
2. the strip line with 220V alternating current can be used only by finding out the socket to insert each time of use, and is extremely inconvenient and has potential safety hazards of electric shock;
3. The wireless tool or the household electrical appliance adopting the lithium battery is generally limited to the high cost of the lithium battery, can only be used for small power or has shorter endurance time, and can only be used for one function and cannot be used mutually.
Disclosure of Invention
Therefore, the embodiment of the invention provides a quick-change handheld tool, which solves the problem that household appliances in the prior art are used singly and cannot be converted into a plurality of different appliances for use.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
According to a first aspect of an embodiment of the present invention, a quick-change hand tool includes a general-purpose body and a functional head; the universal machine body comprises an upper shell, a lower shell, a driving motor, an inner quick-connection assembly, a rotary baffle disc and two first springs, wherein a power input end of the functional head is fixed with a functional shell, and a power input shaft of the functional head is connected with a functional shaft sleeve; the upper shell and the lower shell are buckled and connected to form a shell part, a first accommodating cavity is formed in the shell part, the driving motor is arranged in the first accommodating cavity, an output shaft of the driving motor is inserted into one end of the inner quick-connection assembly, and the other end of the inner quick-connection assembly is inserted into the functional shaft sleeve; the rotary baffle disc is elastically connected to one end of the shell part through two first springs, two clamping grooves are formed in the side wall of the outer side of the shell part, two clamping pins are fixed on the inner side wall of the functional shell, and the clamping pins are arranged corresponding to the clamping grooves; when the clamping pin is clamped in the clamping groove, the clamping pin is abutted against the rotary baffle disc; the functional head is a household electrical appliance.
Further, a plurality of barb grooves are formed in the outer peripheral side of the shell body, a plurality of clamping protrusions are arranged on the inner side wall of the functional shell, the number of the plurality of barb grooves is the same as the number of the plurality of clamping protrusions, and when the clamping pins on the functional shell are rotationally clamped in the clamping grooves, the clamping protrusions on the functional shell are correspondingly clamped in the barb grooves.
Further, the inner quick-connection assembly comprises an inner quick-connection sleeve, an inner quick-connection shaft, an inner quick-connection base, a second spring, an inner quick-connection elastic column, an inner quick-connection gasket, an inner quick-connection lower cover, a plurality of steel balls, an inner quick-connection upper cover and a third spring; the inner quick connecting sleeve is fixed on the outer peripheral side of the inner quick connecting shaft, one end of the inner quick connecting shaft is provided with a motor shaft hole, an output shaft of the driving motor is inserted in the motor shaft hole, an annular accommodating cavity is formed between the outer side wall of the other end of the inner quick connecting shaft and the inner quick connecting sleeve, the inner quick connecting base is sleeved on the outer peripheral side of the inner quick connecting shaft, and the middle part of the inner quick connecting base is abutted in the annular accommodating cavity in the inner quick connecting sleeve; the inner quick connecting elastic column is sleeved on the outer peripheral side of the inner quick connecting shaft, the inner side wall of the inner quick connecting elastic column is in sliding connection with the outer side wall of the inner quick connecting shaft, and the outer side wall of the inner quick connecting elastic column is in sliding connection with the inner side wall of the inner quick connecting base; the second spring is sleeved on the outer peripheral side of the joint of the inner quick-connection base and the inner quick-connection spring column, one end of the second spring is abutted on the inner quick-connection base, and the other end of the second spring is abutted on the inner quick-connection spring column; one end of the inner quick connection gasket is sleeved and connected with one end of the inner quick connection spring column far away from the second spring, the outer side wall of the inner quick connection gasket is slidably connected with the inner side wall of the inner quick connection lower cover, and a plurality of round holes for steel balls to pass through are formed in the contact part of the inner quick connection lower cover and the inner quick connection gasket; one end of the inner quick-connection lower cover, which is far away from the steel ball, is inserted into the annular accommodating cavity of the inner quick-connection sleeve and is abutted against the inner quick-connection base; the one end cover of interior quick connect upper cover is established and is slided in the periphery side of quick connect cover, and the middle part cover of interior quick connect upper cover is established and is slided in the periphery side of quick connect lower cover, is provided with a plurality of steel balls in the cavity between the other end of interior quick connect upper cover and the interior quick connect lower cover, and the one end butt of third spring is including the middle part of quick connect upper cover, and the other end butt of third spring is on the terminal surface of the uncovered end of quick connect cover in, and during the holding chamber between quick connect axle and interior quick connect lower cover in the function axle sleeve grafting, a plurality of steel balls lock in the annular groove of function axle sleeve periphery side.
Further, the device also comprises an identification module, an identification wire, an insert copper sheet, a contact copper sheet, a lock nut, a main circuit board and a separation plate; the main circuit board is arranged on the back side of the driving motor, the partition plate is arranged between the main circuit board and the driving motor, and the main circuit board is provided with a control circuit; the locking nut is in threaded connection with the part of the clamping pin, which is positioned outside the functional shell, the two clamping pins are electrically connected through an identification wire, an identification module for identifying different functional heads is arranged on the identification wire, the identification modules of the different functional heads are different, and the identification module is an identification resistor or an identification chip; insert copper sheets are embedded in the positions, where the rotary baffle disc is abutted to the clamping pins, of the rotary baffle disc, one end of the first spring is abutted to the insert copper sheets, contact copper sheets are fixed to the other end of the first spring, the two contact copper sheets are respectively and electrically connected with the main circuit board, the driving motor is electrically connected with the main circuit board, and the control circuit adjusts the rotating speed of the driving motor according to signals of the identification module.
Further, the novel decorative ring also comprises a decorative ring, a decorative ear and a decorative sleeve; the outer peripheral sides of the two lock nuts are respectively sleeved and fixed with decorative lugs, the decorative rings connect the two decorative lugs, the decorative rings are sleeved on the outer peripheral sides of the identification wires, and the decorative sleeves are arranged at the joint of the shell part and the functional shell.
Further, the general machine body also comprises a heat dissipation rear cover; the main circuit board is provided with a display screen, a regulating and subtracting button, a main power switch and a regulating and increasing button, wherein the main power switch is used for controlling the on and off of the driving motor, the regulating and subtracting button is used for regulating the rotating speed of the driving motor to be small, and the regulating and increasing button is used for regulating the rotating speed of the driving motor to be large; the display screen is used for displaying household electrical appliance category and gear information of the functional head; the display screen, the adjusting and increasing button, the main power switch and the adjusting and decreasing button are embedded in the heat dissipation rear cover, and a plurality of heat dissipation holes are further formed in the heat dissipation rear cover.
Further, the general machine body also comprises a soft rubber sleeve, a bottom cover and a battery pack; the soft rubber sleeve is detachably arranged at the lower part of the lower shell, the battery pack passes through the soft rubber sleeve and is detachably connected in the lower shell, and the bottom cover seals the battery pack in the soft rubber sleeve and the lower shell; the battery pack is electrically connected with the main circuit board; the bottom cover is provided with a charging port which is electrically connected with the battery pack.
Further, the general machine body also comprises a quick-release button and a plug connector; the plug connecting piece sets up in quick connect assembly's downside and with lower casing fixed connection, quick detach button sets up on the lateral wall of lower casing, and quick detach button's inboard butt is on the plug connecting piece, and quick detach button is used for pushing down the back and pushes out the battery package fast and take off.
Further, the general machine body also comprises a switch upper plate, a switch lower plate and a sub-switch; the upper switch plate and the lower switch plate are arranged on the lower shell, the separating switch is arranged on the lower switch plate, the upper end of the lower switch plate is fixedly connected with one end of the upper switch plate, the other end of the upper switch plate is bent to the back side of the driving motor, the separating switch is electrically connected with the main circuit board, and the separating switch is used for operating the driving motor when the quick-change handheld tool is held.
Further, the universal machine body further comprises a motor support, the motor support is sleeved on the outer peripheral side of the inner quick-connection assembly, one end of the motor support is fixed on a shell of the driving motor, and the other end of the motor support is abutted to the inner bottom surface of one end of the shell part, provided with the rotary baffle disc.
Further, the functional head is any one of a fascia gun, a screw driver, an electric wrench, a hedge trimmer, a double vibration massager, a rotary scrubbing machine, a light stirrer, a heavy stirrer and an electric fan.
The invention has the following advantages:
1. The shell part of the universal host machine is rotationally clamped with the functional shell of the functional head, and the inner quick-connection component of the universal host machine is spliced and locked with the functional shaft sleeve of the functional head, so that the quick connection of various functional heads on the same universal host machine is realized, the processing cost of household appliances is obviously reduced, and the price of various functional heads is obviously lower than that of different household appliances on the prior market;
2. the same general host machine is shared, so that recombination of various functions is realized, and the lithium battery pack, the brushless motor, the controller, the switch, the host machine shell and the connecting structure are shared by connecting different functional heads, so that the multifunctional function of one machine is realized, energy conservation and emission reduction are realized, and resource waste is reduced;
3. the identification module (identification resistor or identification chip) arranged on the functional head is used for realizing that different functional heads are used each time, automatically identifying the functional heads and providing power required by different functional heads;
4. The ternary lithium battery wireless technology is adopted, no socket is required to be found everywhere, the use at any time and any place is realized, the lithium battery is protected by a plurality of safety chips, the lithium battery is safe and reliable, no electric shock potential safety hazard exists relative to 220V, and the lithium battery can be recycled for multiple times;
5. the multifunctional small-sized domestic electrical appliance integrating multiple functions is mainly used in household, vehicle-mounted, outdoor and other scenes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
Fig. 1 is an exploded view of a quick-change hand tool according to some embodiments of the present invention.
Fig. 2 is a cross-sectional view of a quick-change hand tool according to some embodiments of the present invention.
Fig. 3 is a block diagram of an internal quick-connect assembly of a quick-change hand tool according to some embodiments of the present invention.
Fig. 4 is a perspective view of a quick-change hand tool according to some embodiments of the present invention.
Fig. 5 is a front view of a quick-change hand tool according to some embodiments of the present invention.
Fig. 6 is a right side view of a quick change hand tool according to some embodiments of the present invention.
Fig. 7 is a bottom view of a quick change hand tool according to some embodiments of the present invention.
Fig. 8 is a rear view of a quick change hand tool according to some embodiments of the present invention.
Fig. 9 is a block diagram of a fascia gun for a quick change hand tool according to some embodiments of the invention.
Fig. 10 is a block diagram of a quick-change hand tool with a screw-driving structure according to some embodiments of the present invention.
Fig. 11 is a block diagram of a hedge trimmer for installing a quick-change hand tool according to some embodiments of the present invention.
Fig. 12 is a block diagram of a dual vibration massager for installing a quick-change type hand tool according to some embodiments of the present invention.
Fig. 13 is a block diagram of a rotary scrubber mounted to a quick-change hand tool according to some embodiments of the present invention.
Fig. 14 is a block diagram of a light-weight agitator for a quick-change hand tool according to some embodiments of the present invention.
Fig. 15 is a block diagram of a heavy agitator for a quick change hand tool according to some embodiments of the present invention.
Fig. 16 is a block diagram of a desktop electric fan with a quick-change handheld tool according to some embodiments of the present invention.
Fig. 17 is a block diagram of a vertical electric fan for installing a quick-change type hand tool according to some embodiments of the present invention.
In the figure: 1. the general machine body comprises a general machine body, 2, an upper shell, 3, a lower shell, 4, an inner quick-connection assembly, 5, a rotary baffle disc, 6, a first spring, 7, an insert copper sheet, 8, a contact copper sheet, 9, a functional shell, 10, a clamping pin, 11, a functional shaft sleeve, 12, a locking nut, 13, a recognition module, 14, a recognition module, 15, a decoration ring, 16, a decoration ear, 17, a decoration sleeve, 18, a motor bracket, 19, a driving motor, 20, a main circuit board, 21, a heat dissipation back cover, 22, a plug connector, 23, a switch upper plate, 24, a switch lower plate, 25, a quick-release button, 26, a flexible glue sleeve, 27, a bottom cover, 28, a battery pack, 29 and a clamping groove, 30, motor shaft hole, 31, inner quick connecting sleeve, 32, inner quick connecting shaft, 33, inner quick connecting base, 34, second spring, 35, inner quick connecting spring column, 36, inner quick connecting gasket, 37, inner quick connecting lower cover, 38, steel ball, 39, inner quick connecting upper cover, 40, third spring, 41, display screen, 42, adjusting and subtracting button, 43, general power switch, 44, adjusting and adding button, 45, separating switch, 46, charging port, 47, fascia gun, 48, screw electric spanner, 49, hedge trimmer, 50, double vibration massage instrument, 51, rotary scrubbing machine, 52, light stirrer, 53, heavy stirrer, 54, electric fan, 55, partition plate, 56 and barb groove.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1 to 8, a quick-change hand tool in the present embodiment includes a general-purpose body 1 and a functional head; the general machine body 1 comprises an upper shell 2, a lower shell 3, a driving motor 19, an inner quick-connection assembly 4, a rotary baffle disc 5 and two first springs 6, wherein a power input end of a functional head is fixed with a functional shell 9, and a power input shaft of the functional head is connected with a functional shaft sleeve 11; the upper shell 2 and the lower shell 3 are buckled and connected to form a shell part, a first accommodating cavity is arranged in the shell part, a driving motor 19 is arranged in the first accommodating cavity, an output shaft of the driving motor 19 is inserted into one end of the inner quick-connection assembly 4, and the other end of the inner quick-connection assembly 4 is inserted into the functional shaft sleeve 11; the rotary baffle disc 5 is elastically connected to one end of the shell part through two first springs 6, two clamping grooves 29 are formed in the side wall of the outer side of the rotary baffle disc 5 at the shell part, two clamping pins 10 are fixed on the inner side wall of the functional shell 9, and the clamping pins 10 are arranged corresponding to the clamping grooves 29; when the clamping pin 10 is clamped in the clamping groove 29, the clamping pin 10 is abutted against the rotary baffle disc 5; the functional head is a household electrical appliance; the first spring 6 in this embodiment is a compression spring, and the upper casing 2 and the lower casing 3 are connected by a buckle or a screw.
In this embodiment, for example, the upper casing 2 and the lower casing 3 are respectively provided with a clamping groove 29, the clamping grooves 29 are L-shaped, the open ends of the clamping grooves 29 are respectively arranged at one end of the upper casing 2 and one end of the lower casing 3 contacting the functional head, the rotating baffle disc 5 is provided with two grooves recessed towards one side of the driving motor 19, the grooves are mutually matched with the outer cylindrical surface of the clamping pin 10, one side edge of the grooves is in smooth curved surface connection with the surface of the rotating baffle disc 5, when in use, the two clamping pins 10 are respectively aligned with the open ends of the clamping grooves 29, then the functional casing 9 is rotated, the functional casing 9 drives the clamping pins 10 to rotate to the bottom of the clamping grooves 29, at this time, the clamping pins 10 gradually push the rotating baffle disc 5 to the inner side of the casing part, and the rotating baffle disc 5 is pressed in the clamping grooves 29 under the action of the spring force of the first spring 6, so that the sliding of the rotating baffle disc 5 is avoided; the drive control board of the drive motor 19 is provided at the front end position of the brushless motor, and all signal processing is performed on the main circuit board 20.
The device comprises a general host and a plurality of functional heads, adopts a high-energy lithium battery pack with the power of 100WH as a power source, and uses a high-efficiency outer rotor brushless motor.
The technical effects achieved by the embodiment are as follows: the shell part of the universal host machine is rotationally clamped with the functional shell 9 of the functional head, and the inner quick-connection assembly 4 of the universal host machine is in plug-in locking with the functional shaft sleeve 11 of the functional head, so that the quick connection of various different functional heads on the same universal host machine is realized, the processing cost of household appliances is obviously reduced, and the price of various functional heads is obviously lower than that of different household appliances on the existing market; by sharing the same general host machine, recombination of various functions is realized, and by connecting different functional heads, the lithium battery pack 28, the brushless motor, the controller, the switch, the host machine shell and the connecting structure are shared, so that the multifunctional function of one machine is realized, energy conservation and emission reduction are realized, and resource waste is reduced; the multifunctional small-sized domestic electrical appliance integrating multiple functions is mainly used in household, vehicle-mounted, outdoor and other scenes.
Example 2
As shown in fig. 1 to 8, a quick-change hand tool in this embodiment includes all the technical features of embodiment 1, and in addition, the inner quick-connect assembly 4 includes an inner quick-connect sleeve 31, an inner quick-connect shaft 32, an inner quick-connect base 33, a second spring 34, an inner quick-connect spring post 35, an inner quick-connect washer 36, an inner quick-connect lower cover 37, a plurality of steel balls 38, an inner quick-connect upper cover 39, and a third spring 40; the inner quick connector 31 is fixed on the outer periphery side of the inner quick connector shaft 32, a motor shaft hole 30 is formed at one end of the inner quick connector shaft 32, an output shaft of the driving motor 19 is inserted into the motor shaft hole 30, an annular accommodating cavity is formed between the outer side wall of the other end of the inner quick connector shaft 32 and the inner quick connector 31, an inner quick connector base 33 is sleeved on the outer periphery side of the inner quick connector shaft 32, and the middle part of the inner quick connector base 33 is abutted in the annular accommodating cavity in the inner quick connector 31; the inner quick connecting elastic column 35 is sleeved on the outer peripheral side of the inner quick connecting shaft 32, the inner side wall of the inner quick connecting elastic column 35 is in sliding connection with the outer side wall of the inner quick connecting shaft 32, and the outer side wall of the inner quick connecting elastic column 35 is in sliding connection with the inner side wall of the inner quick connecting base 33; the second spring 34 is sleeved on the outer periphery side of the joint of the inner quick connecting base 33 and the inner quick connecting spring column 35, one end of the second spring 34 is abutted against the inner quick connecting base 33, and the other end of the second spring 34 is abutted against the inner quick connecting spring column 35; one end of the inner quick connection gasket 36 is sleeved and connected with one end of the inner quick connection spring column 35 far away from the second spring 34, the outer side wall of the inner quick connection gasket 36 is slidably connected to the inner side wall of the inner quick connection lower cover 37, and a plurality of round holes for the steel balls 38 to pass through are formed in the contact part of the inner quick connection lower cover 37 and the inner quick connection gasket 36; one end of the inner quick-connection lower cover 37, which is far away from the steel ball 38, is inserted into the annular accommodating cavity of the inner quick-connection sleeve 31 and is abutted against the inner quick-connection base 33; one end of the inner quick connection upper cover 39 is sleeved with the outer peripheral side of the inner quick connection sleeve 31 in a sliding manner, the middle part of the inner quick connection upper cover 39 is sleeved with the outer peripheral side of the inner quick connection lower cover 37 in a sliding manner, a plurality of steel balls 38 are arranged in a cavity between the other end of the inner quick connection upper cover 39 and the inner quick connection lower cover 37, one end of the third spring 40 is abutted against the middle part of the inner quick connection upper cover 39, the other end of the third spring 40 is abutted against the end face of the open end of the inner quick connection sleeve 31, and when the functional shaft sleeve 11 is inserted into the accommodating cavity between the inner quick connection shaft 32 and the inner quick connection lower cover 37, the plurality of steel balls 38 are locked in an annular groove on the outer peripheral side of the functional shaft sleeve 11; in this embodiment, the second spring 34 and the third spring 40 are both compression springs, a limiting plane for limiting the output shaft of the driving motor 19 to rotate relative to the motor is provided in the motor shaft hole 30, and a limiting surface for preventing the output shaft of the driving motor 19 from rotating relative to the motor shaft hole is also provided at the joint between the functional shaft sleeve 11 at the other end of the inner quick coupling shaft 32.
In the present embodiment, when the functional head is not mounted in the inner quick-connect assembly 4, at this time, the inner quick-connect gasket 36 encloses the plurality of steel balls 38 outside the outer side wall of the inner quick-connect gasket 36, and the plurality of steel balls 38 are located in the annular cavity between the inner quick-connect upper cover 39 and the inner quick-connect lower cover 37; when the functional head is required to be inserted into the inner quick-connection assembly 4, the end part of the functional shaft sleeve 11 is inserted into the inner quick-connection gasket 36, the inner quick-connection gasket 36 and the inner quick-connection elastic column 35 are pushed to move along the axis of the inner quick-connection shaft 32, at this time, the second spring 34 is contracted, the limiting effect of the inner quick-connection gasket 36 is eliminated by the plurality of steel balls 38, the third spring 40 is extended, the inner quick-connection upper cover 39 is pushed to move reversely, at this time, the steel balls 38 are pushed into the round holes on the inner quick-connection lower cover 37 under the action of the inclined surface on the inner side of the inner quick-connection upper cover 39, at this time, the steel balls 38 are abutted to the annular grooves formed on the outer peripheral side of the functional shaft sleeve 11, and therefore the axis correction locking of the functional shaft sleeve 11 is achieved.
In addition, a plurality of barb grooves 56 are formed in the outer peripheral side of the shell part, a plurality of clamping protrusions are formed in the inner side wall of the functional shell 9, the number of the barb grooves 56 is the same as that of the plurality of clamping protrusions, and when the clamping pins 10 on the functional shell 9 are rotationally clamped in the clamping grooves 29, the clamping protrusions on the functional shell 9 are correspondingly clamped in the barb grooves 56; when the functional housing 9 needs to be disassembled, the functional housing 9 on the functional head is pushed towards the direction of the driving motor 19, at the moment, the clamping protrusion is withdrawn from the barb groove 56, meanwhile, the rotating baffle disc 5 pushes the inner quick-connection upper cover 39 to move towards the direction of the driving motor 19, at the moment, the steel balls 38 are pushed out under the action of the elastic force of the second spring 34, and at the moment, the functional shaft sleeve 11 is separated from the inner quick-connection assembly 4.
The beneficial effects in this embodiment are: the multifunctional head can be quickly inserted into the host, the coaxial centering of the multifunctional head and the driving motor 19 is realized under the action of the steel balls 38, and the inner structure and the outer structure are quickly connected and reliably matched; by the elastic force of the second spring 34, the steel balls 38 are sealed at the outer side of the inner quick-connection gasket 36 when not in use, and by the elastic force of the third spring 40, the steel balls 38 are extruded into the annular groove measured at the periphery of the functional shaft sleeve 11.
Example 3
As shown in fig. 1 to 8, a quick-change hand tool of the present embodiment includes all the technical features of embodiment 2, and in addition, includes an identification module 13, an identification wire 14, an insert copper sheet 7, a contact copper sheet 8, a lock nut 12, a main circuit board 20, and a partition plate 55; the main circuit board 20 is arranged on the back side of the driving motor 19, the partition plate 55 is arranged between the main circuit board 20 and the driving motor 19, the partition plate 55 is a net-shaped baffle plate, joints of all wires and the main circuit board 20 are protected from touching the driving motor 19, and a control circuit is arranged on the main circuit board 20; the lock nut 12 is in threaded connection with the part of the clamping pin 10, which is positioned outside the functional shell 9, the two clamping pins 10 are electrically connected through the identification wire 14, the identification wire 14 is provided with the identification module 13 for identifying different functional heads, the identification modules 13 of the different functional heads are different, the identification module 13 is an identification resistor or an identification chip, when the identification resistor is used, errors exist due to the size of the contact resistor, and the identification chip is used for identifying signals between the main chip on the main circuit board 20, so that the influence of the contact resistor is avoided, and the identification effect is more reliable; an insert copper sheet 7 is embedded in the position where the rotary baffle disc 5 is abutted against the clamping pin 10, one end of the first spring 6 is abutted against the insert copper sheet 7, the other end of the first spring 6 is fixedly provided with a contact copper sheet 8, the two contact copper sheets 8 are respectively and electrically connected with the main circuit board 20 through wires, the driving motor 19 is electrically connected with the main circuit board 20, and the control circuit adjusts the rotating speed of the driving motor 19 according to the signal of the identification module 13; also comprises a decorative ring 15, a decorative ear 16 and a decorative sleeve 17; decorative lugs 16 are sleeved and fixed on the outer peripheral sides of the two lock nuts 12 respectively, the decorative rings 15 connect the two decorative lugs 16, the decorative rings 15 are sleeved on the outer peripheral sides of the identification wires 14, and the decorative sleeves 17 are arranged at the connection parts of the shell parts and the functional shells 9; after a plurality of different functional heads are inserted, the high intelligent chip automatically identifies the functional heads and controls the outer rotor brushless motor to provide different rotational speed outputs, so that different power outputs with different functions are realized; the lock nut 12 in this embodiment is formed by an internal thread formed on the inner side of the tubular structure, and an external thread adapted to the lock nut 12 is formed on one end of the clamping pin 10 exposed outside the functional housing 9.
The control principle of the embodiment is as follows: the type of the identification module 13 is set according to the rotating speeds required by household appliances with different functional heads, when the functional heads are spliced in a general host, the identification module 13 is connected into a circuit loop of a control circuit of the general host, and on the premise that the voltage in a battery pack 28 of the general host is unchanged, different voltages of the driving motor 19 are controlled and distributed through the main circuit board 20 to generate currents with different magnitudes, so that the matching of the rotating speed of the driving motor 19 and the rotating speed of the functional heads is realized; the control circuit of the singlechip and the driving motor 19 is a mature circuit in the prior art.
The beneficial effects in this embodiment are: the advanced chip automatically recognizes after the insertion of the multiple functional heads, provides different signals of the motor and realizes different rotation speed output; through the identification module 13 arranged on the functional head, different functional heads are used each time, the functional heads are automatically identified, and power required by different functional heads is provided; by arranging the lock nut 12, the falling off of the clamping pin 10 is avoided; by arranging the insert copper sheet 7 and the contact copper sheet 8, the conductivity of the whole device is improved; by providing the decorative ring 15 and the decorative cover 17, wear of the identification module 13 (e.g., identification resistor or identification chip) and the identification wire 14 is avoided, while having an aesthetic effect, and the service life of the identification module 13 (e.g., identification resistor or identification chip) is prolonged.
Example 4
As shown in fig. 1 to 8, a quick-change hand tool in the present embodiment includes all the technical features of embodiment 3, and in addition, the universal body 1 further includes a heat dissipation back cover 21; the main circuit board 20 is provided with a display screen 41, a regulating and subtracting button 42, a main power switch 43 and a regulating and adding button 44, wherein the main power switch 43 is used for controlling the on-off of the driving motor 19, the regulating and subtracting button 42 is used for regulating the rotating speed of the driving motor 19 to be small, the regulating and adding button 44 is used for regulating the rotating speed of the driving motor 19 to be large, some functional heads have multi-gear operation requirements, and the requirements are regulated by the regulating and subtracting button 42 and the regulating and adding button 44; the display screen 41 is used for displaying household electrical appliance types of the functional head and current gear information; the display screen 41, the increment button 44, the main power switch 43 and the decrement button 42 are embedded in the heat dissipation back cover 21, and a plurality of heat dissipation holes are formed in the heat dissipation back cover 21; the general machine body 1 also comprises a flexible glue sleeve 26, a bottom cover 27 and a battery pack 28; the soft rubber sleeve 26 is detachably arranged at the lower part of the lower shell 3, the battery pack 28 passes through the soft rubber sleeve 26 and is detachably connected in the lower shell 3, and the bottom cover 27 seals the battery pack 28 in the soft rubber sleeve 26 and the lower shell 3; the battery pack 28 is electrically connected to the plug connector 22; the bottom cover 27 is provided with a charging port 46, and the charging port 46 is electrically connected with the battery pack 28; the general machine body 1 also comprises a quick-release button 25 and a plug connector 22; the plug connector 22 is arranged at the lower side of the inner quick connector assembly 4 and fixedly connected with the lower shell 3, the quick-release button 25 is arranged on the outer side wall of the lower shell 3, the inner side of the quick-release button 25 is abutted on the plug connector 22, the quick-release button 25 is used for quickly pushing out the battery pack 28 after being pressed down to take down, wherein the plug connector 22 plays a role of plug connection with the power battery pack 28, and the upper end of the plug connector 22 is fixed in the lower shell 3 through four nuts; the plurality of functional heads share main accessories such as the lithium battery pack 28, the outer rotor brushless motor, the controller, the switch, the host housing and the like.
The working principle of the embodiment is as follows: the singlechip displays the name and gear information of the inserted household electrical appliance on the display screen 41 according to different identification modules 13, such as different resistance values of identification resistors or different types of identification chips, and the control circuit for displaying characters on the display screen 41 by the singlechip is a mature circuit in the prior art; in addition, when the rotation speed of the driving motor 19 needs to be manually adjusted, the circuit for adjusting the rotation speed of the driving motor 19 is also a mature circuit in the prior art by pressing the up-adjustment button 44 or the down-adjustment button 42.
The battery pack 28 structure in the present embodiment includes: the battery tube is a tube body with two closed ends, at least two electrode interfaces are arranged at intervals along the circumferential direction of the battery tube on the outer edge of one closed end face of the battery tube, an electrode inserting piece is inserted into each electrode interface, and a wiring opening is formed in the other closed end face of the battery tube; the battery pack comprises a plurality of lithium batteries and a battery protection board electrically connected with the lithium batteries, the battery pack is arranged in the battery cylinder, and the electrode inserting sheet is positioned at the inner side end of the battery cylinder and is electrically connected with the battery protection board; the plug-in piece is disc-shaped and is arranged on the outer side of one surface of the battery cylinder, which is provided with the electrode interface, a plurality of connecting convex blocks are convexly arranged at intervals along the circumferential direction of the plug-in piece towards the outer edge of one surface of the battery cylinder, the connecting convex blocks are matched with the plug-in piece to form a plug-in cavity, an electrode slot is formed in the connecting convex blocks, an electrode elastic sheet is inserted in the electrode slot, and a supporting plate is convexly arranged on one surface of the plug-in piece, which is far away from the battery cylinder; The connecting piece is a pipe body, the plug-in piece is detachably arranged in the middle of the inner side of the connecting piece, one opening end of the connecting piece is connected with electric equipment, and the connecting piece is inserted into the battery cylinder and then used as a handle of the electric equipment; one end of the battery tube, which is provided with an electrode interface, is inserted into the inner side of the connecting piece from the other opening end of the connecting piece and is inserted into the inserting and pulling cavity of the inserting and pulling piece, the inner surface of the connecting lug is attached to the outer wall of the battery tube, and the electrode elastic sheet inserted into the electrode slot is in contact with the outer side of the battery tube to form conductive connection; the power supply connector comprises a plurality of power supply lines and a power supply terminal connected to one end of the plurality of power supply lines, one end, far away from the power supply terminal, of the plurality of power supply lines is electrically connected with the electrode inserting sheet through the electrode elastic sheet, and the power supply connector is electrically connected with the power supply end of the electric equipment through the power supply terminal; The base is detachably arranged at one end of the battery cylinder, which is provided with the wiring opening; connecting openings are respectively formed in the outer walls of the battery barrels at the outer sides of two ends of one electrode interface along the axial direction of the battery barrels, connecting elastic pieces are connected in each connecting opening along the length direction of the connecting opening in an inscribing manner, one end of each connecting elastic piece is connected in the connecting opening in an inscribing manner, the other end of each connecting elastic piece is positioned at the inner side of the connecting opening, connecting protrusions are convexly arranged on the outer surfaces of the connecting elastic pieces, and supporting plates on the plug pieces are convexly arranged on the surfaces of the plug pieces close to the two connecting protrusions; a connecting port corresponding to the supporting plate is formed on the outer wall of the connecting piece close to the supporting plate; the pressing piece is arranged on the inner side of the connecting piece provided with the connecting port, the pressing piece is parallel to the supporting plate, one surface of the pressing piece facing the supporting plate is elastically connected with the supporting plate through an elastic piece, one surface of the pressing piece far away from the supporting plate corresponds to the connecting port, two ends of the lower end surface of the pressing piece are respectively provided with a push plate in a protruding mode, the lower part of one surface of the push plate facing the supporting plate is abutted against the connecting protrusion of the connecting elastic piece, and the two push plates are arranged on the outer sides of the adjacent connecting protruding blocks; The inner wall of the connecting piece is provided with two convex strips along the axial direction of the connecting piece, the two convex strips are distributed at intervals along the circumferential direction of the connecting piece, and the two connecting bulges are inserted between the two convex strips in a sliding way; the two side walls of one end of the pressing piece, which is far away from the push plate, are respectively provided with a convex plug part, the inner wall of the connecting piece is provided with a convex clamping lug matched with the convex plug part, and the convex plug parts are inserted into the convex clamping lugs to form a clamping structure; the button is arranged at the connecting port of the connecting piece and is connected with one surface of the pressing piece far away from the supporting plate; the inner wall of the connecting piece is provided with a plurality of connecting guide grooves along the radial direction of the connecting piece, the plurality of connecting guide grooves are distributed at intervals along the circumferential direction of the connecting piece, and the connecting convex blocks of the plug-in piece are inserted into the connecting guide grooves in a sliding manner; the elastic piece is a spring.
The beneficial effects in this embodiment are: the ternary lithium battery wireless technology is adopted, no socket is required to be found everywhere, the use at any time and any place is realized, the lithium battery is protected by a plurality of safety chips, the lithium battery is safe and reliable, no electric shock potential safety hazard exists relative to 220V, and the lithium battery can be recycled for multiple times; by providing the flexible glue sleeve 26, the holding comfort is enhanced, and in addition, the battery pack 28 is protected, so that a good anti-falling effect is achieved.
Example 5
As shown in fig. 1 to 8, a quick-change hand tool of the present embodiment includes all the technical features of embodiment 4, and in addition, the general body 1 further includes an upper switch plate 23, a lower switch plate 24, and a separate switch 45; the switch upper plate 23 and the switch lower plate 24 are both arranged on the lower shell 3, the separating switch 45 is arranged on the switch lower plate 24, the upper end of the switch lower plate 24 is fixedly connected with one end of the switch upper plate 23, the other end of the switch upper plate 23 is bent to the back side of the driving motor 19, and the separating switch 45 is electrically connected with the main circuit board 20; the sub-switch 45 is used for operating the switch of the driving motor 19 when the quick-change handheld tool is held, that is to say, the sub-switch 45 acts after the main power switch 43 is turned on, so that the situation that the driving motor 19 is started due to the fact that the sub-switch 45 is touched by mistake is avoided, in addition, the identification line connected with the identification module 13, the motor line of the driving motor 19 and the switch line of the sub-switch 45 pass through the lower surface of the switch upper plate 23, isolation between the sub-switch and the driving motor 19 is realized, and the driving motor 19 is prevented from being contacted with the conducting wire or the signal wire; the general machine body 1 further comprises a motor bracket 18, the motor bracket 18 is sleeved on the outer peripheral side of the inner quick-connection assembly 4, one end of the motor bracket 18 is fixed on a shell of the driving motor 19, and the other end of the motor bracket 18 is abutted on the inner bottom surface of one end of the shell part provided with the rotary baffle disc 5.
The beneficial effects in this embodiment are: by arranging the sub-switch 45, the safety of the general host in the use process is improved, and the total control of the circuit is realized; by arranging the motor bracket 18, the shaking of the driving motor 19 is avoided, and meanwhile, a protection effect is provided for the lead of the identification module 13 to the plug connector 22 and the lead of the plug connector 22 to the main circuit board 20, so that the winding of the internal circuit generated in the rotation process of the driving motor 19 is avoided.
Example 6
A quick change type hand tool according to the present embodiment includes all the technical features of embodiment 5 except that the functional head is any one of the fascia gun 47 shown in fig. 9, the screw electric wrench 48 shown in fig. 10, the hedge trimmer 49 shown in fig. 11, the double vibration massage machine 50 shown in fig. 12, the rotary scrubber 51 shown in fig. 13, the light agitator 52 shown in fig. 14, the heavy agitator 53 shown in fig. 15, and the electric fan 54 shown in fig. 16 and 17, wherein the electric fan 54 shown in fig. 16 is an electric fan 54 for use placed on a table, and the electric fan 54 shown in fig. 17 is an electric fan 54 for use placed on the ground; in addition, the functional head can also be household appliances in other forms such as noodle machine, soymilk machine, juicer, etc.; the fascia gun 47, the screwdriver, the electric wrench 48, the hedge trimmer 49, the double-vibration massager 50, the rotary scrubber 51, the light stirrer 52 and the heavy stirrer 53 are of a household electrical appliance structure in the prior art by taking the main structure of the electric fan 54 as an example, in addition, the household electrical appliance can also be of an innovative structure which is independently designed, in the embodiment, a power input shaft of the household electrical appliance is connected with an inner quick-connection shaft 32 of a general host machine through a functional shaft sleeve 11, a plurality of steel balls 38 of the inner quick-connection assembly 4 in the general host machine are embedded in an inner quick-connection lower cover 37 to lock the functional shaft sleeve 11, coaxial locking between an output shaft of the general host machine and a power input shaft of the functional head is realized, the functional head is rotationally clamped in a clamping groove 29 of the general host machine through a clamping pin 10 at the end part of a functional shell 9, the rotating baffle disc 5 is pushed to be in close contact through the action of a spring force of a first spring 6, the clamping protrusion in the functional shell part is rotationally clamped in a barb 56 on the shell part, for example, a four barb 56 is arranged on the functional shell 9, and the functional shell 9 is locked under the action of the spring 6 at the end part of the first spring 6; when the functional housing 9 needs to be detached, the functional housing 9 is pushed towards one side of the universal host 1, at the moment, the clamping protrusions are separated from the barbs at the end parts of the barb grooves 56, and the functional housing 9 is rotated to achieve the purpose of bouncing out of the two.
The beneficial effects in this embodiment are: by changing different functional heads, the purpose that the different functional heads share a common host is achieved, independent multiple household appliances do not need to be purchased, the types of the household appliances in the prior art are various, and each household appliance is provided with a motor, a battery and a control circuit board, so that resources are wasted; the embodiment obviously reduces the cost of the household electrical appliance, only needs to select the needed functional heads, greatly saves energy and resources, and plays an extremely remarkable role in the unified social progress of the household electrical appliance.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
The terms such as "upper", "lower", "left", "right", "middle" and the like are also used in the present specification for convenience of description, but are not intended to limit the scope of the present invention, and the changes or modifications of the relative relationship thereof are considered to be within the scope of the present invention without substantial modification of the technical content.
Claims (8)
1. A quick-change hand-held tool, which is characterized by comprising a general machine body (1) and a functional head; the universal machine body (1) comprises an upper shell (2), a lower shell (3), a driving motor (19), an inner quick-connection assembly (4), a rotary baffle disc (5) and two first springs (6), wherein a power input end of the functional head is fixedly provided with a functional shell (9), and a power input shaft of the functional head is connected with a functional shaft sleeve (11); the upper shell (2) is buckled with the lower shell (3) to form a shell part, a first accommodating cavity is formed in the shell part, the driving motor (19) is arranged in the first accommodating cavity, an output shaft of the driving motor (19) is inserted into one end of the inner quick-connection assembly (4), and the other end of the inner quick-connection assembly (4) is inserted into the functional shaft sleeve (11); the rotary baffle disc (5) is elastically connected to one end of the shell part through two first springs (6), two clamping grooves (29) are formed in the side wall of the shell part, which is positioned on the outer side of the rotary baffle disc (5), two clamping pins (10) are fixed on the inner side wall of the functional shell (9), and the clamping pins (10) are arranged corresponding to the clamping grooves (29); when the clamping pin (10) is clamped in the clamping groove (29), the clamping pin (10) is abutted against the rotary baffle disc (5); the functional head is a household electrical appliance;
The inner quick-connection assembly (4) comprises an inner quick-connection sleeve (31), an inner quick-connection shaft (32), an inner quick-connection base (33), a second spring (34), an inner quick-connection spring column (35), an inner quick-connection gasket (36), an inner quick-connection lower cover (37), a plurality of steel balls (38), an inner quick-connection upper cover (39) and a third spring (40); the inner quick connecting sleeve (31) is fixed on the outer peripheral side of the inner quick connecting shaft (32), a motor shaft hole (30) is formed in one end of the inner quick connecting shaft (32), an output shaft of the driving motor (19) is inserted into the motor shaft hole (30), an annular accommodating cavity is formed between the outer side wall of the other end of the inner quick connecting shaft (32) and the inner quick connecting sleeve (31), the inner quick connecting base (33) is sleeved on the outer peripheral side of the inner quick connecting shaft (32), and the middle part of the inner quick connecting base (33) is abutted in the annular accommodating cavity in the inner quick connecting sleeve (31); the inner quick connecting elastic column (35) is sleeved on the outer peripheral side of the inner quick connecting shaft (32), the inner side wall of the inner quick connecting elastic column (35) is in sliding connection with the outer side wall of the inner quick connecting shaft (32), and the outer side wall of the inner quick connecting elastic column (35) is in sliding connection with the inner side wall of the inner quick connecting base (33); the second spring (34) is sleeved on the outer periphery side of the joint of the inner quick-connection base (33) and the inner quick-connection spring column (35), one end of the second spring (34) is abutted on the inner quick-connection base (33), and the other end of the second spring (34) is abutted on the inner quick-connection spring column (35); one end of the inner quick connection gasket (36) is sleeved and connected with one end, far away from the second spring (34), of the inner quick connection spring column (35), the outer side wall of the inner quick connection gasket (36) is slidably connected to the inner side wall of the inner quick connection lower cover (37), and a plurality of round holes for the steel balls (38) to pass through are formed in the contact part of the inner quick connection lower cover (37) and the inner quick connection gasket (36); one end of the inner quick-connection lower cover (37) far away from the steel ball (38) is inserted into the annular accommodating cavity of the inner quick-connection sleeve (31) and is abutted against the inner quick-connection base (33); one end of the inner quick connection upper cover (39) is sleeved with a sliding body on the outer peripheral side of the inner quick connection upper cover (31), the middle part of the inner quick connection upper cover (39) is sleeved with a sliding body on the outer peripheral side of the inner quick connection lower cover (37), a plurality of steel balls (38) are arranged in a cavity between the other end of the inner quick connection upper cover (39) and the inner quick connection lower cover (37), one end of a third spring (40) is abutted to the middle part of the inner quick connection upper cover (39), and the other end of the third spring (40) is abutted to the end face of the open end of the inner quick connection upper cover (31); when the functional shaft sleeve (11) is inserted into the accommodating cavity between the inner quick-connection shaft (32) and the inner quick-connection lower cover (37), a plurality of steel balls (38) are locked in an annular groove at the outer periphery side of the functional shaft sleeve (11);
The device also comprises an identification module (13), an identification wire (14), an insert copper sheet (7), a contact copper sheet (8), a lock nut (12), a main circuit board (20) and a separation plate (55); the main circuit board (20) is arranged on the back side of the driving motor (19), the separation plate (55) is arranged between the main circuit board (20) and the driving motor (19), and a control circuit is arranged on the main circuit board (20); the locking nut (12) is in threaded connection with a part of the clamping pin (10) positioned outside the functional shell (9), the two clamping pins (10) are electrically connected through the identification wire (14), the identification wire (14) is provided with the identification modules (13) for identifying different functional heads, the identification modules (13) of different functional heads are different, and the identification modules (13) are identification resistors or identification chips; the rotary baffle disc (5) is embedded with the insert copper sheet (7) at the position of the joint pin (10) butt, one end butt of the first spring (6) is in on the insert copper sheet (7), the other end of the first spring (6) is fixed with the contact copper sheets (8), two the contact copper sheets (8) are respectively electrically connected with the main circuit board (20), the driving motor (19) is electrically connected with the main circuit board (20), and the control circuit adjusts the rotating speed of the driving motor (19) according to the signal of the identification module (13).
2. A quick change hand tool according to claim 1, further comprising a decorative ring (15), decorative ears (16) and a decorative sleeve (17); the decorative lugs (16) are respectively sleeved and fixed on the outer peripheral sides of the two locking nuts (12), the decorative rings (15) connect the two decorative lugs (16), the decorative rings (15) are sleeved and arranged on the outer peripheral sides of the identification wires (14), and the decorative sleeves (17) are arranged at the joint of the shell part and the functional shell (9).
3. A quick change hand tool according to claim 1, wherein the universal body (1) further comprises a heat dissipating back cover (21); the main circuit board (20) is provided with a display screen (41), a reduction button (42), a main power switch (43) and an increase button (44), wherein the main power switch (43) is used for controlling the on-off of the driving motor (19), the reduction button (42) is used for reducing the rotating speed of the driving motor (19), and the increase button (44) is used for increasing the rotating speed of the driving motor (19); the display screen (41) is used for displaying household electrical appliance category and gear information of the functional head; the display screen (41), the increment adjusting button (44), the main power switch (43) and the decrement adjusting button (42) are embedded in the heat dissipation rear cover (21), and a plurality of heat dissipation holes are further formed in the heat dissipation rear cover (21).
4. The quick change hand tool according to claim 1, wherein the universal body (1) further comprises a flexible glue sleeve (26), a bottom cover (27) and a battery pack (28); the battery pack (28) is detachably connected in the lower shell (3) after passing through the soft rubber sleeve (26), and the bottom cover (27) seals the battery pack (28) in the soft rubber sleeve (26) and the lower shell (3); the battery pack (28) is electrically connected with the main circuit board (20); the bottom cover (27) is provided with a charging port (46), and the charging port (46) is electrically connected with the battery pack (28).
5. A quick change hand tool according to claim 4, wherein the universal body (1) further comprises a quick release button (25) and a plug connector (22); the plug connecting piece (22) is arranged on the lower side of the inner quick-connection assembly (4) and is fixedly connected with the lower shell (3), the quick-release button (25) is arranged on the outer side wall of the lower shell (3), the inner side of the quick-release button (25) is abutted to the plug connecting piece (22), and the quick-release button (25) is used for pushing out and taking down the battery pack (28) after being pressed down.
6. A quick change hand tool according to claim 1, wherein the universal body (1) further comprises a switch upper plate (23), a switch lower plate (24) and a separate switch (45); the switch upper plate (23) and the switch lower plate (24) are both arranged on the lower shell (3), the disconnecting switch (45) is arranged on the switch lower plate (24), the upper end of the switch lower plate (24) is fixedly connected with one end of the switch upper plate (23), the other end of the switch upper plate (23) is bent to the back side of the driving motor (19), and the disconnecting switch (45) is electrically connected with the main circuit board (20); the switch (45) is used for operating the switch of the driving motor (19) when the quick-change handheld tool is held.
7. The quick-change hand tool according to claim 1, wherein the universal machine body (1) further comprises a motor bracket (18), the motor bracket (18) is sleeved on the outer peripheral side of the inner quick-connection assembly (4), one end of the motor bracket (18) is fixed on a shell of the driving motor (19), and the other end of the motor bracket (18) is abutted on the inner bottom surface of one end of the shell part provided with the rotating baffle disc (5).
8. The quick change hand tool according to any one of claims 1 to 7, wherein the functional head is any one of a fascia gun (47), an electric wrench (48), a hedge trimmer (49), a dual vibration massager (50), a rotary scrubber (51), a light agitator (52), a heavy agitator (53), and an electric fan (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911192835.0A CN110757417B (en) | 2019-11-28 | 2019-11-28 | Quick-change handheld tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911192835.0A CN110757417B (en) | 2019-11-28 | 2019-11-28 | Quick-change handheld tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110757417A CN110757417A (en) | 2020-02-07 |
| CN110757417B true CN110757417B (en) | 2024-07-02 |
Family
ID=69339939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911192835.0A Active CN110757417B (en) | 2019-11-28 | 2019-11-28 | Quick-change handheld tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110757417B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230387534A1 (en) * | 2018-05-08 | 2023-11-30 | Miw Associates Llc | Power supply device with tool modules |
| CN111290286A (en) * | 2020-02-20 | 2020-06-16 | 永康市光逸科技有限公司 | Functional head recognition control system of quick-change handheld tool |
| CN213697859U (en) * | 2020-03-27 | 2021-07-16 | 浙江百隆塑料制品股份有限公司 | A fascia gun double-support rotating structure |
| CN111313504A (en) * | 2020-03-28 | 2020-06-19 | 南京滨德科技有限公司 | Multi-head charging system for myofascial gun battery pack and battery charging system |
| CN113858136A (en) * | 2020-05-12 | 2021-12-31 | 浙江动一新能源动力科技股份有限公司 | Electric tool |
| CN116690536B (en) * | 2023-05-24 | 2024-05-03 | 上海智元新创技术有限公司 | Robot hand quick change device and robot |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210939130U (en) * | 2019-11-28 | 2020-07-07 | 永康市光逸科技有限公司 | Quick-change handheld tool |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4188041A (en) * | 1977-05-23 | 1980-02-12 | The Boeing Company | Motor quick-change chuck system for tool having cylindrically shaped adapter portion |
| US6257595B1 (en) * | 1998-09-04 | 2001-07-10 | Hardinge Inc. | Collect chuck with quick-change cap |
| NL1040196C2 (en) * | 2013-05-03 | 2014-11-04 | Boorwerk B V | QUICK-CHANGE SYSTEM FOR ROTARY TOOLS. |
| CN107309492B (en) * | 2017-08-08 | 2023-08-29 | 浙江金美电动工具有限公司 | Multifunctional saw quick-change structure and quick-change method |
-
2019
- 2019-11-28 CN CN201911192835.0A patent/CN110757417B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210939130U (en) * | 2019-11-28 | 2020-07-07 | 永康市光逸科技有限公司 | Quick-change handheld tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110757417A (en) | 2020-02-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110757417B (en) | Quick-change handheld tool | |
| US11090784B2 (en) | Screw-tightening power tool | |
| CN210939130U (en) | Quick-change handheld tool | |
| EP2870672B1 (en) | Cordless power tool with usb charging | |
| US20090207035A1 (en) | Electrical power tools | |
| CN110744502B (en) | Quick-connection structure | |
| JP6436744B2 (en) | Impact tools | |
| US12318907B2 (en) | Hand-held power tool | |
| WO2016008321A1 (en) | Manual-automatic integration screwdriver and accommodating base thereof, and charging loop | |
| US20080214097A1 (en) | Handheld electric grinder | |
| US20110133696A1 (en) | Accessory and charging system for a rechargeable hand-held electrical device | |
| US20200177047A1 (en) | Power tool | |
| WO2015180391A1 (en) | Battery pack charging/discharging system and method for electric tool, and electric tool | |
| CN105522519A (en) | Universal serial bus (USB) pen type electric screwdriver | |
| CN108818384A (en) | A kind of electric screw driver | |
| CN211415038U (en) | Quick connection structure | |
| US20140090862A1 (en) | Handheld power tool having a drive motor embodied to provide a predetermined maximum motor power level | |
| CN211362044U (en) | Manual and automatic integrated screwdriver | |
| US20230364813A1 (en) | Multifunctional Tool | |
| US7948098B2 (en) | Electric rotary starter for an engine of a radio control model | |
| CN211805814U (en) | Electric screwdriver | |
| US20200156160A1 (en) | Electrical Tools | |
| CN211466180U (en) | Electric screwdriver switching device and electric screwdriver | |
| CN220113191U (en) | Toy screwdriver | |
| CN211163728U (en) | Portable electric screw driver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |