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CN115056362B - Electric tool accessory and lithium electric tool - Google Patents

Electric tool accessory and lithium electric tool Download PDF

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Publication number
CN115056362B
CN115056362B CN202210781274.3A CN202210781274A CN115056362B CN 115056362 B CN115056362 B CN 115056362B CN 202210781274 A CN202210781274 A CN 202210781274A CN 115056362 B CN115056362 B CN 115056362B
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CN
China
Prior art keywords
valve
electric hammer
hole
cylinder body
electric
Prior art date
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CN202210781274.3A
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Chinese (zh)
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CN115056362A (en
Inventor
李攀
罗海
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Yongkang Lingwei Electric Appliance Co ltd
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Yongkang Lingwei Electric Appliance Co ltd
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Priority to CN202210781274.3A priority Critical patent/CN115056362B/en
Publication of CN115056362A publication Critical patent/CN115056362A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/14Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/02Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/04Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
    • B28D7/046Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work the supporting or holding device being of the vacuum type

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Drilling And Boring (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

The invention discloses an electric tool accessory, which comprises an electric hammer body, wherein an installation plate is arranged on the electric hammer body, a centrifugal fan is arranged on the installation plate, and a suction opening is formed in the centrifugal fan; the mounting plate is provided with a slidable connecting hole connected with the air suction opening, and the mounting plate is provided with a valve body matched with the connecting hole; the connecting hole is formed in the valve plate, the electric hammer body comprises a swinging ring, and the valve plate is connected with the swinging ring through a pull rope; the electric hammer drilling tool comprises a mounting plate, a cylinder body and a suction disc, wherein the cylinder body is connected with a valve body, a movable pneumatic rod is arranged on the cylinder body, one end of the pneumatic rod is matched with the cylinder body, the other end of the pneumatic rod is provided with the suction disc, the electric tool accessory and the lithium-ion electric tool can provide auxiliary force for a user in a cylinder body air pumping mode when an electric hammer is drilled, the drilling efficiency is greatly improved, labor force is saved, the electric tool can be stably positioned with a wall body through the suction disc, and the drilling stability is improved.

Description

Electric tool accessory and lithium electric tool
Technical Field
The invention relates to the technical field of electric tools, in particular to an electric tool accessory and a lithium battery electric tool.
Background
The electric hammer is a mounting tool commonly used, and for use and convenient to carry, the lithium electric hammer is liked by the user deeply, and its portability has promoted user's production and installation effectiveness greatly, and current electric hammer still has following problem nevertheless:
1. the electric hammer is generally high in mass, and particularly, when the lithium electric hammer with the lithium electric pack is installed and punched, a user needs to consume extra labor force to push a wall, so that the labor force is great;
2. when the lithium electric hammer drills a ceramic tile surface wall, dust generated during drilling can fall into corners and gaps below the lithium electric hammer, and the lithium electric hammer is difficult to clean;
3. when the electric hammer drills a ceramic tile, the drill bit is easy to slip, so that the stability during drilling is not enough, and the ceramic tile surfaces at other parts are easy to damage due to the slip.
Disclosure of Invention
The invention provides an electric tool accessory and a lithium-ion electric tool aiming at the defects in the prior art.
In order to solve the technical problems, the invention is solved by the following technical scheme: an electric tool accessory comprises an electric hammer body.
In the above scheme, preferably, the electric hammer body is provided with an installation plate, the installation plate is provided with a centrifugal fan which can be driven by the electric hammer body, and the centrifugal fan is provided with an air suction opening;
the mounting plate is provided with a slidable connecting hole connected with the air suction opening, and the mounting plate is provided with a valve body matched with the connecting hole;
the connecting hole is formed in the valve plate, the electric hammer body comprises a swinging ring, and the valve plate is connected with the swinging ring through a pull rope;
the pneumatic valve is characterized in that a cylinder body connected with the valve body is arranged on the mounting plate, a movable pneumatic rod is arranged on the cylinder body, one end of the pneumatic rod is matched with the cylinder body, and a sucker is arranged at the other end of the pneumatic rod.
In the above scheme, preferably, the electric hammer body comprises a rotating shaft, a first bevel gear is arranged on the rotating shaft, and a second bevel gear matched with the first bevel gear is arranged on the centrifugal fan.
In the above scheme, preferably, the cylinder body is provided with an air exhaust hole, the valve body is provided with a first valve hole and a second valve hole which are matched with the connecting hole, and the first valve hole is connected with the air exhaust hole;
the valve plate is arranged on the mounting plate in a sliding mode, a first spring is arranged between the valve plate and the mounting plate, an oscillating rod is arranged on the oscillating ring, and two ends of the pull rope are connected with the valve plate and the oscillating rod respectively.
In the above scheme, it is preferred that the pneumatic rod is close to sucking disc one end and is equipped with the dust removal board, be equipped with the dust excluding hood on the dust removal board, be equipped with the dust absorption hole on the dust excluding hood, the dust absorption hole links to each other with the second valve hole, be equipped with the dust absorption case between dust absorption hole and the second valve hole, be equipped with the filter screen in the dust absorption case.
In the above scheme, preferably, the centrifugal fan is slidably disposed on the mounting plate, guide rods are symmetrically disposed on the centrifugal fan, a magnetic attraction plate is disposed on the guide rods, an electromagnet matched with the magnetic attraction plate is disposed on the mounting plate, and a second spring is disposed between the magnetic attraction plate and the mounting plate.
In the above scheme, preferably, the electric hammer body is provided with a start switch and a reverse switch, the start switch and the reverse switch are electrically connected with the electromagnet, so that the electromagnet can be powered on through the start switch and powered off through the reverse switch, and the rotating shaft is provided with a third bevel gear engaged with the sliding second bevel gear.
In the above scheme, it is preferred, be equipped with the exhaust vent on the centrifugal fan, be equipped with on the mounting panel with exhaust vent matched with ventilation hole and blowhole, be equipped with the gas blow pipe that links to each other with the blowhole on the dust excluding hood.
In the above scheme, it is preferred, the sucking disc is rubber suction cup, the dust excluding hood is collapsible dust excluding hood, adopts the silica gel material, the dust excluding hood is close to sucking disc one end and is equipped with the extension wall that extends to the dust excluding hood center.
In the above scheme, it is preferred, be equipped with the guide rail on the valve body, the valve plate slides and locates on the guide rail, be equipped with sealed the pad between valve plate and the valve body.
In the above scheme, preferably, lithium electricity electric tool, including the electric tool annex, lithium electricity electric tool is the electric hammer, the mounting panel of electric tool annex is located on the lithium electricity electric tool.
The beneficial effects of the invention are: the invention provides the electric tool accessory and the lithium battery electric tool which can provide auxiliary force for a user in a cylinder air extraction mode during electric hammer drilling, so that the drilling efficiency is greatly improved, the labor force is saved, the electric tool and a wall body can be stably positioned through the sucking disc, and the drilling stability is improved.
Drawings
Fig. 1 is a schematic front view of the present invention.
FIG. 2 is a schematic cross-sectional view of the present invention.
Fig. 3 is a schematic sectional structure view of the cylinder body of the present invention.
Fig. 4 is a schematic perspective view of the valve body according to the present invention.
FIG. 5 is a schematic cross-sectional view of the guide bar of the present invention.
Fig. 6 is a schematic perspective view of the centrifugal fan according to the present invention.
FIG. 7 is a schematic view of the pneumatic rod and dust hood of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1-7, electric tool annex and lithium electricity electric tool, the electric tool annex is located on the lithium electricity electric tool, lithium electricity electric tool is the lithium electric hammer, the lithium electric hammer includes electric hammer body 1, the electric tool annex includes mounting panel 2, the electric tool annex passes through mounting panel 2 and locates on the electric hammer body 1.
The mounting panel 2 sets firmly on 1 shell body of electric hammer body, electric hammer body 1 includes inside swing ring 8 and the axis of rotation 13 that sets up, swing ring 8 and axis of rotation 13 are current electric hammer structure, axis of rotation 13 is used for installing the drill bit, makes the drill bit rotate with axis of rotation 13 synchronization and drills, swing ring 8 is used for carrying out reciprocal hammering to the drill bit, makes the drill bit have the hammering effect, and this is prior art, does not do too much to describe herein repeatedly.
The centrifugal fan is characterized in that a first bevel gear 14 is arranged on the rotating shaft 13, the mounting plate 2 is provided with a centrifugal fan 3 which can be driven by the rotating shaft 13, specifically, an input shaft of the centrifugal fan 3 is provided with a second bevel gear 15 which is meshed with the first bevel gear 14, when the rotating shaft 13 rotates forwards, the first bevel gear 14 can drive the second bevel gear 15 to rotate so that the centrifugal fan 3 rotates, preferably, the number of teeth of the first bevel gear 14 is greater than that of the second bevel gear 15, namely, the rotating speed of the centrifugal fan 3 is higher than that of the rotating shaft 13.
The outside of the centrifugal fan 3 is provided with a volute, the center of the volute is provided with a suction opening 4, the outer edge end of the volute is provided with an air outlet 51, namely, after the centrifugal fan 3 rotates, the suction opening 4 has a suction effect under the action of centrifugal force, and sucked gas can be discharged through the air outlet 51.
Be equipped with slidable connecting hole 5 that links to each other with suction opening 4 on the mounting panel 2, preferred hose connection between suction opening 4 and the connecting hole 5, be equipped with valve body 6 on the mounting panel 2, 6 up end symmetry of valve body is equipped with guide rail 61, be equipped with slidable valve plate 7 in the guide rail 61, valve plate 7 slides through guide rail 61 and locates on the 6 up end of valve body, be equipped with sealed the pad between valve plate 7 and the valve body 6, connecting hole 5 runs through on locating valve plate 7, and suction opening 4 passes through the hose promptly and is connected with connecting hole 5 on the valve plate 7.
The mounting panel 2 is worn to establish through the slide bar slip by valve plate 7, be equipped with first spring 24 between valve plate 7 and the mounting panel 3, be connected with stay cord 9 after mounting panel 2 is worn to establish by valve plate 7, the 8 lower extremes of swing ring are equipped with swinging arms 25, 9 one end of stay cord is passed through the slide bar and is connected with valve plate 7, and the other end links to each other with swinging arms 25, be equipped with the cell body that can supply the reciprocal swing of swinging arms 25 on the electric hammer body 1, can drive valve plate 7 reciprocal slip on valve body 6 when the reciprocal swing of swinging arms 25 promptly.
The valve body 6 is provided with a first valve hole 22 and a second valve hole 23 which are matched with the suction opening 4, as shown in fig. 2, the second valve hole 23 is a long groove hole, namely, the length of the cross section of the second valve hole 23 is greater than that of the first valve hole 22, the first valve hole 22 and the second valve hole 23 are both arranged in the valve body 6, namely, when the valve plate 7 slides, the communication time of the suction opening 4 and the second valve hole 23 is greater than that of the first valve hole 22.
Be equipped with a plurality of cylinder bodies 10 that link to each other with first valve opening 22 on the mounting panel 2, 10 tip of cylinder body is equipped with the aspirating hole 21 that links to each other with first valve opening 22, when suction opening 4 communicates with first valve opening 22 through connecting hole 5 promptly, suction opening 4 can take out the gas in the cylinder body 10, makes and forms the negative pressure in the cylinder body 10, it is equipped with pneumatic rod 11 to slide in the cylinder body 10, 11 one end of pneumatic rod is equipped with the piston with 10 inner wall matched with of cylinder body, and the other end sets firmly sucking disc 12 after wearing to establish mounting panel 2 left as shown in fig. 3, sucking disc 12 preferred rubber suction cup, sucking disc 12 accessible and ceramic tile wall press and make 11 left ends of pneumatic rod fixed in on the ceramic tile wall.
Pneumatic stem 11 is close to 12 one end of sucking disc and has set firmly dust removal board 31, dust excluding hood 32 has set firmly on the dust removal board 31, drill bit on the electric hammer body 1 can wear to establish dust excluding hood 32 center and drill to the wall body, dust excluding hood 32 adopts the silica gel material for collapsible dust excluding hood, dust excluding hood 32 is close to 12 one end of sucking disc (promptly with ceramic tile wall body contact one end) and is equipped with the extension wall 55 that extends to dust excluding hood 32 center, dust removal board 31 center is equipped with the drill bushing that can supply the drill bit to wear to establish.
Dust excluding hood 32 lower extreme is equipped with dust absorption hole 33, dust absorption hole 33 links to each other with second valve hole 23, be equipped with the suction box between dust absorption hole 33 and the second valve hole 23, the suction box is equipped with the filter screen, when suction opening 4 communicates with second valve hole 23 through connecting hole 5 promptly, suction opening 4 can be with the dust suction box in the dust excluding hood 32 in the filter screen.
The centrifugal fan 3 is arranged on the mounting plate 2 in a sliding mode, guide rods 41 are symmetrically arranged on two sides of the centrifugal fan 3, the guide rods 41 penetrate through the mounting plate 2 in a sliding mode, a magnetic attraction plate 42 is arranged on one side, close to the centrifugal fan 3, of each guide rod 41, an electromagnet 43 matched with the magnetic attraction plate 42 is arranged on the mounting plate 2, a second spring 44 is arranged between the magnetic attraction plate 42 and the mounting plate 2, the second spring 44 is sleeved on the guide rods 41, and two ends of the second spring respectively abut against the magnetic attraction plate 42 and the mounting plate 2; the electric hammer comprises an electric hammer body 1, and is characterized in that a starting switch and a reversing switch are arranged on the electric hammer body 1, the starting switch and the reversing switch are electrically connected with an electromagnet 43, so that the electromagnet 43 can be electrified through the starting switch, and the power is cut off through the reversing switch, a third bevel gear 45 meshed with a sliding rear second bevel gear 15 is arranged on a rotating shaft 13, the third bevel gear 45 and a first bevel gear 14 are oppositely arranged, namely, when the electric hammer rotates forwards, the first bevel gear 14 and the second bevel gear 15 are meshed, so that an air suction port 4 of a centrifugal fan 3 has an air suction effect, when the electric hammer rotates backwards, the electromagnet 43 is cut off, the second bevel gear 15 is meshed with the third bevel gear 45 after sliding through a second spring 44, so that the centrifugal fan 3 rotates towards the same direction, the air suction port 4 of the centrifugal fan 3 has a suction effect all the time, a pneumatic electromagnetic valve which can be arranged on a cylinder body 10 is arranged on one side of an air suction hole 21, the pneumatic electromagnetic valve is connected with the reversing switch, and when the electric hammer rotates backwards, the pneumatic electromagnetic valve is opened, so that negative pressure cannot be generated in the cylinder body 10 due to suction.
Be equipped with the exhaust vent 51 on the centrifugal fan 3, be equipped with on the mounting panel 2 with exhaust vent 51 matched with ventilation hole 52 and blowhole 53, be equipped with the blow pipe 54 that links to each other with blowhole 53 on the dust excluding hood 32, when the electric hammer corotation promptly, exhaust vent 51 and ventilation hole 52 cooperation, the gas that will bleed passes through ventilation hole 52 and discharges, when the electric hammer reversal, make exhaust vent 51 and blowhole 53 cooperation behind the centrifugal fan 3 displacement, blow the gas of suction to the blowpipe 54 in through blowhole 53, make the drill bit surface's that blowpipe 54 will release dust blast totally.
Methods of using the foregoing power tool attachment and lithium-ion electric power tool: as shown in the direction of fig. 2, firstly, the pneumatic rod 11 is pulled leftwards, then the suction cup 12 is contacted and attached to the ceramic tile wall surface, so that the suction cup 12 is adsorbed on the wall surface, meanwhile, the left end surface of the dust hood 32 is also attached to the wall surface, and then the electric hammer rotates forwards; when the electric hammer is pushed manually to punch, the swinging ring 8 in the electric hammer swings in a reciprocating manner to enable the valve plate 7 to swing in a reciprocating manner, when the swinging rod 25 swings rightwards to the rightmost end, the connecting hole 5 in the valve plate 7 is communicated with the first valve hole 22, at the moment, the suction force of the air suction opening 4 instantly adsorbs air in the cylinder body 10 when the centrifugal fan 3 rotates, instant negative pressure is generated in the cylinder body 10, at the moment, the suction disc 12 is fixed on the wall surface, the negative pressure generated between the piston and the cylinder body 10 enables the electric hammer body 1 to have the force of sliding leftwards to balance the pressure in the cylinder body 10, and the auxiliary drilling function is achieved for a driller; meanwhile, when the swinging rod 25 swings leftwards, the suction opening 4 is communicated with the second valve hole 23 through the connecting hole 5, so that dust in the dust hood 32 is sucked into the dust collection box; when the drill bit needs to be withdrawn after drilling, the reversing switch is turned, the reversing switch triggers the electromagnet 43 to be powered off at the moment, the centrifugal fan 3 slides leftwards under the elastic force of the second spring 44, the second bevel gear 15 is meshed with the third bevel gear 45, meanwhile, the air outlet 51 is aligned with the air blowing hole 53, meanwhile, the pneumatic electromagnetic valve is opened, at the moment, the oscillating rod 25 swings rightwards, when the connecting hole 5 is communicated with the first valve hole 22, air pressure in the cylinder body is balanced through the opened pneumatic electromagnetic valve when air in the cylinder body 10 is sucked, when the connecting hole 5 is communicated with the second valve hole 23, the air suction hole 4 can suck dust in the dust suction box when the drill bit in the dust removal cover 32 is withdrawn, and meanwhile, the air outlet 51 cleans up the dust on the surface of the drill bit through the air blowing hole 53 and the air blowing pipe 54.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (9)

1. Electric tool annex, including electric hammer body (1), its characterized in that: the electric hammer is characterized in that an installation plate (2) is arranged on the electric hammer body (1), a centrifugal fan (3) which can be driven by the electric hammer body (1) is arranged on the installation plate (2), and an air suction opening (4) is formed in the centrifugal fan (3);
a slidable connecting hole (5) connected with the air suction opening (4) is formed in the mounting plate (2), and a valve body (6) matched with the connecting hole (5) is arranged on the mounting plate (2);
the connecting hole (5) is formed in the valve plate (7), the electric hammer body (1) comprises a swinging ring (8), and the valve plate (7) is connected with the swinging ring (8) through a pull rope (9);
a cylinder body (10) connected with the valve body (6) is arranged on the mounting plate (2), a movable pneumatic rod (11) is arranged on the cylinder body (10), one end of the pneumatic rod (11) is matched with the cylinder body (10), and a sucking disc (12) is arranged at the other end of the pneumatic rod;
the cylinder body (10) is provided with an air suction hole (21), the valve body (6) is provided with a first valve hole (22) and a second valve hole (23) which are matched with the connecting hole (5), and the first valve hole (22) is connected with the air suction hole (21);
the valve plate (7) is arranged on the mounting plate (2) in a sliding mode, a first spring (24) is arranged between the valve plate (7) and the mounting plate (2), a swinging rod (25) is arranged on the swinging ring (8), and two ends of the pull rope (9) are connected with the valve plate (7) and the swinging rod (25) respectively;
after the pneumatic rod (11) is pulled leftwards, the sucker (12) is contacted and attached to the ceramic tile wall surface, so that the sucker (12) is adsorbed on the wall surface, meanwhile, the left end surface of the dust hood (32) is attached to the wall surface, and then the electric hammer rotates forwards; when the electric hammer is manually pushed to punch, a swinging ring (8) in the electric hammer swings in a reciprocating manner, so that a valve plate (7) swings in a reciprocating manner, when a swinging rod (25) swings rightwards to the rightmost end, a connecting hole (5) in the valve plate (7) is communicated with a first valve hole (22), when a centrifugal fan (3) rotates, air in a cylinder body (10) is instantly adsorbed by suction of a suction port (4), so that instant negative pressure is generated in the cylinder body (10), at the moment, a sucking disc (12) is fixed on a wall surface, negative pressure generated between a piston and the cylinder body (10) enables an electric hammer body (1) to have the force for balancing the pressure in the cylinder body (10) by leftward sliding, and the effect of assisting drilling is achieved for a driller.
2. The power tool accessory of claim 1, wherein: the electric hammer body (1) comprises a rotating shaft (13), a first bevel gear (14) is arranged on the rotating shaft (13), and a second bevel gear (15) matched with the first bevel gear (14) is arranged on the centrifugal fan (3).
3. The power tool accessory of claim 2, wherein: pneumatic rod (11) are close to sucking disc (12) one end and are equipped with dust removal board (31), be equipped with dust excluding hood (32) on dust removal board (31), be equipped with dust absorption hole (33) on dust excluding hood (32), dust absorption hole (33) link to each other with second valve hole (23), be equipped with the suction box between dust absorption hole (33) and second valve hole (23), be equipped with the filter screen in the suction box.
4. The power tool accessory of claim 3, wherein: centrifugal fan (3) slide locate on mounting panel (2), the symmetry is equipped with guide bar (41) on centrifugal fan (3), be equipped with magnetism suction disc (42) on guide bar (41), be equipped with on mounting panel (2) and inhale board (42) matched with electro-magnet (43) with magnetism, be equipped with second spring (44) between magnetism suction disc (42) and mounting panel (2).
5. The power tool accessory of claim 4, wherein: the electric hammer is characterized in that a starting switch and a reversing switch are arranged on the electric hammer body (1), the starting switch and the reversing switch are electrically connected with the electromagnet (43), so that the electromagnet (43) can be electrified through the starting switch and is powered off through the reversing switch, and a third bevel gear (45) meshed with the sliding second bevel gear (15) is arranged on the rotating shaft (13).
6. The power tool accessory of claim 5, wherein: be equipped with exhaust vent (51) on centrifugal fan (3), be equipped with on mounting panel (2) with exhaust vent (51) matched with ventilation hole (52) and blowhole (53), be equipped with blow pipe (54) that link to each other with blowhole (53) on dust excluding hood (32).
7. The power tool accessory of claim 6, wherein: sucking disc (12) are rubber suction, dust excluding hood (32) adopt the silica gel material for collapsible dust excluding hood, dust excluding hood (32) are close to sucking disc (12) one end and are equipped with extension wall (55) to extending in dust excluding hood (32) center.
8. The power tool accessory of claim 7, wherein: be equipped with guide rail (61) on valve body (6), valve plate (7) slide and locate on guide rail (61), be equipped with sealed the pad between valve plate (7) and valve body (6).
9. Lithium electricity electric tool, its characterized in that: comprising the power tool accessory of any one of claims 1 to 8, the lithium electric power tool being an electric hammer, the mounting plate (2) of the power tool accessory being provided on the lithium electric power tool.
CN202210781274.3A 2022-07-05 2022-07-05 Electric tool accessory and lithium electric tool Active CN115056362B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210781274.3A CN115056362B (en) 2022-07-05 2022-07-05 Electric tool accessory and lithium electric tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210781274.3A CN115056362B (en) 2022-07-05 2022-07-05 Electric tool accessory and lithium electric tool

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Publication Number Publication Date
CN115056362A CN115056362A (en) 2022-09-16
CN115056362B true CN115056362B (en) 2022-12-13

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Denomination of invention: Electric tool accessories and lithium-ion electric tools

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