CN116494185B - Electric pick with dustproof and cooling functions - Google Patents
Electric pick with dustproof and cooling functions Download PDFInfo
- Publication number
- CN116494185B CN116494185B CN202310617551.1A CN202310617551A CN116494185B CN 116494185 B CN116494185 B CN 116494185B CN 202310617551 A CN202310617551 A CN 202310617551A CN 116494185 B CN116494185 B CN 116494185B
- Authority
- CN
- China
- Prior art keywords
- dustproof
- dust collecting
- cooling
- piston
- heat dissipation
- 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.)
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- 238000001816 cooling Methods 0.000 title claims abstract description 40
- 239000000428 dust Substances 0.000 claims abstract description 53
- 230000017525 heat dissipation Effects 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000012216 screening Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000004927 fusion Effects 0.000 description 7
- 238000005086 pumping Methods 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D11/00—Portable percussive tools with electromotor or other motor drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/20—Devices for cleaning or cooling tool or work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses an electric pick with dustproof and cooling functions, which relates to the technical field of electric tools and comprises a mounting handle, wherein a top cover plate and a side cover plate are fixedly mounted on the mounting handle, a top heat dissipation opening and a side heat dissipation opening are respectively formed in the top cover plate and the side cover plate, an impact cylinder is fixedly mounted on the side cover plate, a stable handle is arranged on the impact cylinder, and a crank gear is rotatably mounted in the side cover plate. According to the invention, the heat dissipation is carried out on the piston cylinder, so that the temperature of the piston can not be overheated after the piston runs for a long time, and the service life of the O-shaped sealing ring on the piston is prolonged; the air inlet filter component can reduce dust entering the rotor, prevent the interference of external dust and ensure the performance of the motor; the heat dissipation can be carried out on the rotor of the motor, and the temperature of the entering gas can be reduced, so that the heat dissipation effect on the rotor of the motor is improved.
Description
Technical Field
The invention relates to the technical field of electric tools, in particular to an electric pick with dustproof and cooling functions.
Background
The electric pick is a double-insulation handheld electric tool taking a single-phase series motor as power, and has the characteristics of safety, reliability, high efficiency, convenience in operation and the like. The method is widely applied to the field of building decoration, and can effectively reduce labor intensity. The current electric pick is characterized in that an oil seal and an air cylinder in the electric pick continuously rub and slide in the using process, and ageing of an oil seal ring can be accelerated due to overheating after long-time work.
In the prior art, the invention patent with publication number of CN112824054A discloses an electric pick, but the technical scheme disclosed in the invention cannot solve the problem that an internal cylinder is easy to overheat after long-time working, and meanwhile, the motor rotor directly driven can cause external dust to be adsorbed on the motor rotor due to heat dissipation, so that the motor rotor is easy to be interfered by the external dust, the performance of the motor is influenced, and even the motor rotor is invalid.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the following technical scheme: the utility model provides an electric pick with dustproof and cooling function, includes the installation handle, fixed mounting has lamina tecti and side cover on the installation handle, top thermovent and side thermovent have been seted up respectively on lamina tecti and the side cover, still fixed mounting has impact cylinder on the side cover, has set up stable handle on the impact cylinder, the crank gear is installed in the side cover internal rotation, the edge movable mounting of crank gear has the rocker, the one end movable mounting of rocker has the piston, the fixed piston cylinder that has set up in the impact cylinder, the inner wall and the piston sliding fit of piston cylinder, still slidable mounting has impact piston and impact block in the piston cylinder; the bottom of the side cover plate is fixedly provided with a driving assembly, the driving assembly comprises a stator, a rotor is rotatably arranged in the stator, a centrifugal radiating fin and a driving gear are fixedly arranged on the rotor, the driving gear is meshed with a crank gear, the side cover plate is fixedly provided with a base shell, and the base shell is fixedly provided with an air inlet filter assembly; the utility model provides an inlet filter subassembly includes the dust collecting shell, sets up the sealing washer that is used for sealedly between dust collecting shell and the base shell, the central point of dust collecting shell puts and is provided with centrifugal screening dish, and centrifugal screening dish is through central pivot and rotor fixed connection, fixed mounting has the closing plate on the dust collecting shell, and fixed mounting has the cooling inlet chamber on the closing plate, and the loudspeaker opening has been seted up to the central point of cooling inlet chamber, fixed mounting has the pumping chamber on the cooling inlet chamber, the through-hole has been seted up at the middle part of pumping chamber, and the through-hole department has set up the chamber that fuses, four at least turbo-charging rooms still fixed mounting have on the pumping chamber, and every turbo-charging chamber is linked together through the air flue with the inside of chamber that fuses, set up air pressure sensor on the chamber that fuses.
Preferably, the surface of the piston cylinder is provided with eight through holes for pressure relief, and the diameter of the through holes is one fiftieth of the diameter of the piston cylinder.
Preferably, the impact block is fixedly provided with an impact head for installing an impact head installation seat, the outer surface of the piston cylinder is fixedly sleeved with a heat absorption cylinder, and the outer side of the side cover plate is fixedly provided with a heat dissipation row through a heat dissipation plate bracket.
Preferably, the heat dissipating row is provided with a water pump, the heat dissipating row and the interior of the heat absorbing cylinder form a circulation loop through a water pipe, and the heat dissipating fin support is also provided with at least five heat dissipating fans for driving air flow to flow.
Preferably, the centrifugal screening discs are at least twenty, and are uniformly distributed along the axial direction of the central rotating shaft, through holes are formed in the middle of each centrifugal screening disc, all the centrifugal screening discs are fixedly mounted on the central rotating shaft, and gaps are reserved between every two adjacent centrifugal screening discs.
Preferably, at least twenty dust collecting plates are arranged in the dust collecting shell, the dust collecting plates are uniformly distributed along the axial direction of the dust collecting shell, and a gap is reserved between two adjacent dust collecting plates.
Preferably, the base shell is provided with a vent, and the vent is communicated with the inside of the dust collecting shell.
Preferably, the middle part of the sealing plate is provided with through holes, the edge of the cooling air inlet chamber is provided with at least thirty-six through holes, the inside of the dust collecting shell is communicated with the inside of the cooling air inlet chamber, and the inside of the cooling air inlet chamber is communicated with the inside of the pressurizing chamber.
Preferably, an inner heat absorbing sheet is arranged at the edge of the inner wall of the pressurizing chamber, and an annular outer heat dissipating plate is fixedly arranged on the outer surface of the pressurizing chamber.
Preferably, a check valve is arranged in the air passage, each of the turbo-charging chambers is internally provided with an electric turbine in a rotating mode, the turbo-charging chambers are also fixedly provided with air inlet nozzles, the turbo-charging chambers are fixedly provided with dustproof cover plates, and the dustproof cover plates are provided with through holes the same as the turbo-charging chambers in number.
Compared with the prior art, the invention has the following beneficial effects: (1) According to the invention, the heat dissipation is carried out on the piston cylinder, so that the temperature of the piston can not be overheated after the piston runs for a long time, and the service life of the O-shaped sealing ring on the piston is prolonged; (2) The air inlet filter assembly can reduce dust entering the rotor, prevent the interference of external dust and ensure the performance of the motor; (3) The invention can radiate the rotor of the motor, and can reduce the temperature of the entering gas, thereby improving the radiating effect of the rotor of the motor.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the heat absorbing cylinder of the present invention.
Fig. 3 is a schematic view of a heat dissipating row structure according to the present invention.
Fig. 4 is a schematic diagram of a driving assembly structure of the present invention.
Figure 5 is a view of the dust collector housing of the present invention in a mounted position.
FIG. 6 is a schematic view of an intake air filter assembly according to the present invention.
FIG. 7 is a schematic view of the structure of the electric turbine of the present invention.
Fig. 8 is a schematic view of the structure of the inner heat absorbing sheet of the present invention.
FIG. 9 is a schematic view of the structure of a centrifugal screen tray according to the present invention.
FIG. 10 is a diagram of the mounting position of the centrifugal screen tray of the present invention.
FIG. 11 is a schematic view of the structure of the sealing plate of the present invention.
Fig. 12 is a cross-sectional view of the structure of the intake air filter assembly of the present invention.
Fig. 13 is a schematic view of the structure of fig. 12 a according to the present invention.
In the figure: 101-mounting a handle; 102-top cover plate; 1021-top heat sink; 103-side cover plates; 1031-side heat sinks; 104-an impact cylinder; 105-stabilizing the handle; 106-an impact head mount; 107-an impact head; 108-a piston cylinder; 109-a piston; 110-an impulse piston; 111-impact block; 112-a heat absorbing cylinder; 113-a water pump; 114-a water pipe; 115-heat dissipating rows; 116-a heat sink holder; 117-heat dissipation fan; 118-rocker; 119-crank gear; 201-a base housing; 202-a stator; 203-rotor; 204-centrifugal heat sink; 205-a drive gear; 301-a dust collecting shell; 3011-a dust collecting plate; 302-a central axis of rotation; 303-sealing sheets; 304-centrifuging a screening tray; 305-sealing plate; 306-cooling the intake chamber; 3061-flare opening; 307-pumping chamber; 3071-inner heat sink sheet; 308-a turbocharger; 309-airway; 310-fusion chamber; 311-electric turbine; 312-air inlet nozzle; 313-annular outer heat spreader plate; 314-dustproof cover plate; 315-barometric pressure sensor.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1-13, the invention provides an electric pick with dustproof and cooling functions, which comprises a mounting handle 101, wherein a top cover plate 102 and a side cover plate 103 are fixedly arranged on the mounting handle 101, a top heat dissipation port 1021 and a side heat dissipation port 1031 are respectively arranged on the top cover plate 102 and the side cover plate 103, an impact cylinder 104 is fixedly arranged on the side cover plate 103, a stable handle 105 is arranged on the impact cylinder 104, a crank gear 119 is rotatably arranged on the side cover plate 103, a rocker 118 is movably arranged at the edge of the crank gear 119, a piston 109 is movably arranged at one end of the rocker 118, a piston cylinder 108 is fixedly arranged in the impact cylinder 104, the inner wall of the piston cylinder 108 is in sliding fit with the piston 109, and an impact piston 110 and an impact block 111 are also slidably arranged in the piston cylinder 108; eight through holes for pressure relief are formed in the surface of the piston cylinder 108, the diameter of each through hole is one fiftieth of that of the piston cylinder 108, an impact head 107 for installing an impact head installation seat 106 is fixedly installed on an impact block 111, a heat absorption cylinder 112 is fixedly sleeved on the outer surface of the piston cylinder 108, and a heat dissipation row 115 is fixedly installed on the outer side of the side cover plate 103 through a heat dissipation plate bracket 116. The heat dissipating row 115 is provided with a water pump 113, the heat dissipating row 115 and the interior of the heat absorbing cylinder 112 form a circulation loop through a water pipe 114, and the heat dissipating fin bracket 116 is also provided with at least five heat dissipating fans 117 for driving air flow to flow.
The bottom of the side cover plate 103 is fixedly provided with a driving assembly, the driving assembly comprises a stator 202, a rotor 203 is rotatably arranged in the stator 202, a centrifugal cooling fin 204 and a driving gear 205 are fixedly arranged on the rotor 203, the driving gear 205 is meshed with the crank gear 119, the side cover plate 103 is fixedly provided with a base shell 201, and the base shell 201 is fixedly provided with an air inlet filter assembly.
The air inlet filter assembly comprises a dust collecting shell 301, a sealing piece 303 used for sealing is arranged between the dust collecting shell 301 and a base shell 201, a centrifugal screening disc 304 is arranged at the central position of the dust collecting shell 301, the centrifugal screening disc 304 is fixedly connected with a rotor 203 through a central rotating shaft 302, a sealing plate 305 is fixedly arranged on the dust collecting shell 301, a cooling air inlet chamber 306 is fixedly arranged on the sealing plate 305, a horn through hole 3061 is formed in the central position of the cooling air inlet chamber 306, a pressurizing chamber 307 is fixedly arranged on the cooling air inlet chamber 306, a through hole is formed in the middle of the pressurizing chamber 307, a fusion chamber 310 is arranged at the through hole, at least four turbocharging chambers 308 are fixedly arranged on the pressurizing chamber 307, each turbocharging chamber 308 is communicated with the interior of the fusion chamber 310 through an air passage 309, and an air pressure sensor 315 is arranged on the fusion chamber 310. The centrifugal screening plates 304 are at least twenty, and are uniformly distributed along the axial direction of the central rotating shaft 302, through holes are formed in the middle of each centrifugal screening plate 304, all centrifugal screening plates 304 are fixedly mounted on the central rotating shaft 302, and gaps are reserved between every two adjacent centrifugal screening plates 304. At least twenty dust collecting plates 3011 are arranged in the dust collecting shell 301, the dust collecting plates 3011 are uniformly distributed along the axial direction of the dust collecting shell 301, and gaps are reserved between two adjacent dust collecting plates 3011. The base housing 201 is provided with a vent hole communicating with the inside of the dust collecting housing 301. The middle part of closing plate 305 has seted up the through-hole, and cooling inlet chamber 306's edge has seted up at least thirty-six through-holes, and the inside of dust collecting shell 301 communicates with cooling inlet chamber 306's inside, and cooling inlet chamber 306's inside communicates with the inside of plenum 307. The inner wall edge of the plenum 307 is provided with an inner heat absorbing sheet 3071, and the outer surface of the plenum 307 is fixedly provided with an annular outer heat dissipating plate 313. The air flue 309 is internally provided with a check valve, each turbo-charging chamber 308 is internally provided with an electric turbine 311 in a rotating way, the turbo-charging chambers 308 are also fixedly provided with air inlet nozzles 312, the pressurizing chambers 307 are fixedly provided with dustproof cover plates 314, and the dustproof cover plates 314 are provided with through holes the same as the turbo-charging chambers 308 in number.
The invention discloses an electric pick with dustproof and cooling functions, which has the following working principle: when the stator 202 is electrified, the rotor 203 is enabled to rotate, the rotor 203 rotates to drive the driving gear 205 to rotate, the driving gear 205 rotates to drive the crank gear 119 to rotate, the crank gear 119 rotates to drive the piston 109 to reciprocate in the piston cylinder 108 through the rocker 118, the reciprocating movement of the piston 109 can press the impact piston 110 to follow synchronous movement through air, the reciprocating movement of the impact piston 110 can strike the impact block 111, the striking force is transmitted to the impact head mounting seat 106 through the impact block 111, the impact head mounting seat 106 is aligned to a building to be dismounted, the purpose of damaging the building can be achieved, the purpose of arranging a through hole on the piston 109 can be achieved, and partial pressure inside the piston cylinder 108 is released when the impact head mounting seat 106 and the impact block 111 are blocked, so that a protection effect is achieved. After the piston 109 works for a long time, the temperature rises due to the continuous friction between the piston 109 and the inner wall of the piston cylinder 108, so that the aging of the O-shaped sealing ring on the piston 109 is accelerated, the heat absorption cylinder 112 is arranged outside the piston cylinder 108, when the temperature rises, the temperature is transferred into the heat absorption cylinder 112, the cooling liquid is arranged inside the heat absorption cylinder 112, the cooling liquid absorbs the temperature at the moment, the cooling liquid with the absorbed temperature is transferred into the heat dissipation row 115 through the water pipe 114 and the water pump 113 for heat dissipation, and the flow of air can be accelerated through the arranged heat dissipation fan 117, so that the heat dissipation effect of the heat dissipation row 115 is improved.
The rotor 203 rotates and drives the centrifugal screening plates 304 to rotate through the central rotating shaft 302, the centrifugal screening plates 304 rotate to drive air between the centrifugal screening plates 304 to rotate, the air rotates to be away from the central rotating shaft 302 due to centrifugal force, therefore, the air enters the centrifugal screening plates 304 from the through holes in the middle of the sealing plate 305, if the entering air contains dust, the inertia of primary dust particles is larger than that of the air due to the fact that the mass of the dust is far larger than that of air molecules, the dust with large mass enters the dust collecting plate 3011, the air passes through the base shell 201 under the action of pressure difference, therefore, the stator 202 and the rotor 203 are radiated, and the dust entering the dust collecting plate 3011 always rotates, because the centrifugal screening plates 304 always rotate, all the air inside the dust collecting shell 301 is driven to rotate together, and the rotating dust is always attached to the dust collecting plate 3011. In order to further enhance the heat dissipation effect, the electric turbine 311 in the turbo plenum 308 is started, so that the electric turbine 311 rotates, air is fed into the fusion chamber 310 along the tangential direction through the air passage 309, so that a vortex is formed in the fusion chamber 310, the pressure in the fusion chamber 310 is increased, the pressure in the plenum 307 is increased due to the fact that the fusion chamber 310 is communicated with the interior of the plenum 307, the pressure in the plenum 307 is increased, the temperature of the air is increased, the compressed high-temperature air is dissipated through the inner heat absorbing plate 3071 and the annular outer heat dissipating plate 313, the high-pressure air enters the cooling inlet chamber 306 through the horn through hole 3061, the pressure is instantly released, the temperature in the cooling inlet chamber 306 is absorbed, the temperature of the central opening of the sealing plate 305 is reduced, the temperature of the air passing through the rotor 203 is reduced, and part of the air also enters through the through holes formed at the edge of the cooling inlet chamber 306, and the air intake amount is increased. The air pressure sensor 315 can also detect the real-time pressure inside the plenum 307, so as to prevent the pressure from being too high and play a role in protection.
Claims (10)
1. The utility model provides an electric pick with dustproof and cooling function, includes installation handle (101), fixed mounting has lamina tecti (102) and side cap board (103) on installation handle (101), top thermovent (1021) and side thermovent (1031) have been seted up respectively on lamina tecti (102) and side cap board (103), still fixed mounting has impact tube (104) on side cap board (103), has set stable handle (105) on impact tube (104), its characterized in that: a crank gear (119) is rotatably mounted on the side cover plate (103), a rocker (118) is movably mounted on the edge of the crank gear (119), a piston (109) is movably mounted at one end of the rocker (118), a piston cylinder (108) is fixedly arranged in the impact cylinder (104), the inner wall of the piston cylinder (108) is in sliding fit with the piston (109), and an impact piston (110) and an impact block (111) are also slidably mounted in the piston cylinder (108);
the bottom of the side cover plate (103) is fixedly provided with a driving assembly, the driving assembly comprises a stator (202), a rotor (203) is rotatably arranged in the stator (202), a centrifugal radiating fin (204) and a driving gear (205) are fixedly arranged on the rotor (203), the driving gear (205) is meshed with a crank gear (119), the side cover plate (103) is fixedly provided with a base shell (201), and an air inlet filtering assembly is fixedly arranged on the base shell (201);
the utility model provides an inlet filter subassembly includes dust collecting shell (301), has set up sealing piece (303) that are used for sealedly between dust collecting shell (301) and base shell (201), the central point of dust collecting shell (301) puts and is provided with centrifugal screening dish (304), and centrifugal screening dish (304) are through central pivot (302) and rotor (203) fixed connection, fixed mounting has closing plate (305) on dust collecting shell (301), and fixed mounting has cooling inlet chamber (306) on closing plate (305), and horn opening (3061) have been seted up to the central point of cooling inlet chamber (306), fixed mounting has plenum (307) on cooling inlet chamber (306), the through-hole has been seted up at the middle part of plenum (307), the through-hole department has been provided with and has been fused room (310), still fixed mounting has at least four turbo-plenum (308) on plenum (307), and the inside of fusing room (310) are linked together through air flue (309), air pressure sensor (315) have been set up on the plenum (310).
2. An electric pick with dustproof and cooling functions according to claim 1, characterized in that: eight pressure relief through holes are formed in the surface of the piston cylinder (108), and the diameter of each pressure relief through hole is one fiftieth of the diameter of the piston cylinder (108).
3. An electric pick with dustproof and cooling functions according to claim 2, characterized in that: impact block (111) are last fixed mounting have be used for installing impact head (107) of impact head mount pad (106), the surface mounting of piston cylinder (108) has cup jointed heat absorption section of thick bamboo (112), the outside of side cap (103) is through fin support (116) fixed mounting heat dissipation row (115).
4. A pick with dust and cooling function according to claim 3, wherein: the heat dissipation row (115) is provided with a water pump (113), the heat dissipation row (115) and the interior of the heat absorption cylinder (112) form a circulation loop through a water pipe (114), and the heat dissipation fin bracket (116) is also provided with at least five heat dissipation fans (117) for driving air flow to flow.
5. The electric pick with dustproof and cooling functions according to claim 4, wherein: the centrifugal screening discs (304) are at least twenty, are uniformly distributed along the axial direction of the central rotating shaft (302), the middle part of each centrifugal screening disc (304) is provided with a through hole, all the centrifugal screening discs (304) are fixedly arranged on the central rotating shaft (302), and gaps are reserved between every two adjacent centrifugal screening discs (304).
6. The electric pick with dustproof and cooling functions according to claim 5, wherein: at least twenty dust collecting plates (3011) are arranged in the dust collecting shell (301), the dust collecting plates (3011) are uniformly distributed along the axial direction of the dust collecting shell (301), and gaps are reserved between two adjacent dust collecting plates (3011).
7. The electric pick with dustproof and cooling functions according to claim 6, wherein: the base shell (201) is provided with a vent, and the vent is communicated with the inside of the dust collecting shell (301).
8. The electric pick with dustproof and cooling functions according to claim 7, wherein: through holes are formed in the middle of the sealing plate (305), at least thirty-six through holes are formed in the edge of the cooling air inlet chamber (306), the inside of the dust collecting shell (301) is communicated with the inside of the cooling air inlet chamber (306), and the inside of the cooling air inlet chamber (306) is communicated with the inside of the pressurizing chamber (307).
9. The electric pick with dustproof and cooling functions according to claim 8, wherein: an inner heat absorbing sheet (3071) is arranged on the edge of the inner wall of the pressurizing chamber (307), and an annular outer heat dissipating plate (313) is fixedly arranged on the outer surface of the pressurizing chamber (307).
10. The electric pick with dustproof and cooling functions according to claim 9, wherein: be provided with the check valve in air flue (309), every turbo charging room (308) in all rotate install electric turbine (311), still fixed mounting has inlet nozzle (312) on turbo charging room (308), fixed mounting has dustproof apron (314) on turbo charging room (307), offer the through-hole the same with turbo charging room (308) quantity on dustproof apron (314).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310617551.1A CN116494185B (en) | 2023-05-29 | 2023-05-29 | Electric pick with dustproof and cooling functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310617551.1A CN116494185B (en) | 2023-05-29 | 2023-05-29 | Electric pick with dustproof and cooling functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116494185A CN116494185A (en) | 2023-07-28 |
| CN116494185B true CN116494185B (en) | 2023-10-20 |
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ID=87326735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310617551.1A Active CN116494185B (en) | 2023-05-29 | 2023-05-29 | Electric pick with dustproof and cooling functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116494185B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5161623A (en) * | 1990-01-15 | 1992-11-10 | Sulzer Brothers Limited | Percussion device |
| JP2015116650A (en) * | 2013-12-20 | 2015-06-25 | 日立工機株式会社 | Electric power tool |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT1238759E (en) * | 2001-03-07 | 2004-04-30 | Black & Decker Inc | HAMMER |
| DE102008035298A1 (en) * | 2008-07-29 | 2010-02-04 | Wacker Neuson Se | Air spring impact mechanism with variable rotary drive |
| JP6258093B2 (en) * | 2014-03-24 | 2018-01-10 | 株式会社マキタ | Impact tool |
| JP7365789B2 (en) * | 2019-05-16 | 2023-10-20 | 株式会社マキタ | electric work equipment |
-
2023
- 2023-05-29 CN CN202310617551.1A patent/CN116494185B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5161623A (en) * | 1990-01-15 | 1992-11-10 | Sulzer Brothers Limited | Percussion device |
| JP2015116650A (en) * | 2013-12-20 | 2015-06-25 | 日立工機株式会社 | Electric power tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116494185A (en) | 2023-07-28 |
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