Electric tool

Abstract

The utility model discloses an electric tool which comprises a housing, a first motor, a piston assembly, a second motor, a collecting barrel, an impeller, a battery pack connecting base used for obtaining electric energy for the electric tool and a power line used for obtaining electric energy for the electric tool. The first motor is used for driving the piston assembly to reciprocate so as to compress air, the second motor is used for driving the impeller to rotate so that negative pressure can be formed in the collecting barrel, the battery pack connecting base is used for being in butt joint with a battery pack in a detachable mode, and the power line is provided with a cable and a connector connected with the cable. Due to the integrated design, the occupied space is small, and especially when a vehicle is used, the occupied space of the vehicle can be saved.

Description

Technical Field

[0001] The present application relates to the technical field of power tool equipment, and in particular to an electric tool. Background Art

[0002] With the progress of society, the categories of power tools are becoming more and more diversified. In order to meet daily needs, multiple power tools are usually purchased at the same time. For example, air compression devices (air compressors, air compression units, air compression equipment) are mainly used to compress air; vacuum cleaning devices (vacuum cleaning equipment, vacuum cleaners) are mainly used to absorb dust, particles and other objects to be absorbed. The above-mentioned device that can compress air and the vacuum device exist independently in two power tools, so they take up a large space, especially when the usage scenario is in a car, the space in the car is limited, which is not good for users; on the other hand, the above-mentioned power supply mode of the power tools is single, which is not conducive to multi-scenario operations. Utility Model Content

[0003] The present application discloses an electric tool, which provides an electric tool with integrated compressed air and dust suction functions, saves occupied space, has selectable power supply modes, and is easy to use.

[0004] The following technical solution is adopted: an electric tool, comprising: a cover, a first motor, a piston assembly, a second motor, a collecting bucket, an impeller, a battery pack connecting seat for obtaining electric energy for the electric tool, and a power cord for obtaining electric energy for the electric tool, the first motor is used to drive the piston assembly to reciprocate to compress air, the second motor is used to drive the impeller to rotate to form a negative pressure in the collecting bucket, the battery pack connecting seat is used to connect with the battery pack for disassembly, and the power cord is provided with a cable and a connector connected to the cable.

[0005] Specifically, the connector is a cigarette lighter plug adapted to be connected to a cigarette lighter socket of a vehicle.

[0006] Specifically, it also includes a hose for conveying compressed air, a first accommodating space, a first joint, a second joint and an adapter. The first joint, the second joint and the third joint are placed in the first accommodating space. The first joint and the second joint can be detachably connected to one end of the hose through the adapter respectively; the first joint, the second joint and the adapter are detachably fixed to the cover shell respectively.

[0007] Specifically, the housing is provided with a first groove for placing the hose, the first groove is provided with a first protrusion for clamping the hose, and the first protrusion interferes with the hose placed in the first groove.

[0008] Specifically, it also includes a second groove and a dust suction hose. The second groove is spaced apart from the first groove. The dust suction hose can be attached to the collecting bucket. The second groove is provided with a second protrusion for clamping the dust suction hose. The second protrusion interferes with the dust suction hose placed in the second groove.

[0009] Specifically, it also includes a cover plate, a buckle, and a first spring. The cover shell is provided with a second accommodating space for placing the power cord, and the cover plate can be covered on the second accommodating space. A matching fourth shaft and a fourth shaft hole are provided between the cover plate and the cover shell to enable the cover plate to rotate with the cover shell. The cover plate is provided with a first connecting portion, and a third shaft and a third shaft hole are provided between the buckle and the first connecting portion to enable the buckle to rotate with the first connecting portion. The buckle is biased in a compressed state for resetting. When the cover plate is covered with the second accommodating space

[0010] When the cover plate is raised, a through hole communicating with the second accommodating space and allowing the power cord to pass out is defined between the cover plate and the housing shell, and a part of the through hole is formed on the cover plate, and another part is formed on the housing shell.

[0011] Specifically, it also includes a bracket connected to the cover shell, a filter connected to the bracket, the collection barrel cover is arranged on the outside of the filter and is detachably connected to the bracket; a button member and a second spring are provided on the collection barrel, the button member is provided with a button body and a hook portion, the button body can be rotatably matched with the collection barrel, the second spring is located between the button body and the collection barrel, and biases the button body in a compressed state for resetting, the button body and the hook portion are located at opposite ends of the button member, the hook portion can be engaged with the fifth protrusion of the cover shell so that the collection barrel can be fixedly connected to the bracket, and pressing the button body can release the engagement between the hook portion and the fifth protrusion so that the collection barrel can be detached from the bracket.

[0012] Specifically, a third protrusion and a third groove are provided, one of which is provided on the outer wall of the collection bucket, and the other is provided on the inner wall of the bracket, and the third protrusion and the third groove can be slidably matched so that the collection bucket and the bracket can be slidably matched.

[0013] Specifically, the bottom of the collecting barrel is provided with a barrel cover and a second connecting portion provided on the outer wall of the collecting barrel, and a matching first axis and a first axis hole are provided between the second connecting portion and the barrel cover to enable the barrel cover to rotate with the collecting barrel, and a buckle is provided on the barrel cover, and the buckle is provided with a cantilevered elastic arm, and the elastic arm can be engaged with the outer wall of the collecting barrel to fix the barrel cover to the collecting barrel.

[0014] Specifically, the cover shell is provided with a second accommodating space for placing the power cord, the first motor is provided in the middle position of the electric tool, and the second accommodating space and the second motor and the impeller are located on the left and right sides of the first motor; the electric tool is also provided with a cover shell, a cylinder body accommodating the piston assembly, a first support member and a second support member fixedly connected to the cylinder body, a first cover member, and a second cover member, the cover shell is provided with a first shell and a second shell, the first shell and the second shell are exposed to the outside of the electric tool, the first shell is located on the front side of the second shell, the first cover member and the second cover member are accommodated in the space enclosed by the first shell and the second shell, the first cover member is located on the front side of the second cover member, The first cover member is fixedly connected to the first shell by fasteners, the second cover member is fixedly connected to the second shell, the first cover member is fixedly connected to the second cover member, the first cover member and the second cover member are assembled to cover the cylinder body and the first motor, the cylinder body and the first motor are connected to each other, the first support member and the second support member are located on opposite sides of the cylinder body, the first support member is supported by the first cover member, the second support member is supported by the second cover member, and elastic pads for shock absorption are provided between the first support member and the first cover member and between the second support member and the second cover member; the electric tool is also provided with a handle, and the handle and the battery pack connecting seat are located on the upper and lower sides of the center of gravity of the electric tool.

[0015] Beneficial effects: The technical solution of the present application includes: a cover, a first motor, a piston assembly, a second motor, a collection bucket, and an impeller. The first motor is used to drive the piston assembly to reciprocate to compress the air, and the second motor is used to drive the impeller to rotate to form a negative pressure in the collection bucket. The compressed air generated above can be delivered to a variety of work objects for use, such as inflating tires, basketballs, balloons, etc., and the dust, particulate matter and other objects to be absorbed are absorbed and collected by the negative pressure formed in the collection bucket. The integrated design thus occupies a small space, especially when the usage scenario is a vehicle, it can save space in the vehicle. The above-mentioned power tool can obtain electrical energy through a power cord or a battery pack connector, which is convenient to use, and can also obtain electrical energy through an electrical connection between the vehicle cigarette lighter socket and the connector of the power cord. Other beneficial effects brought about by the technical solution of the present application will be further described in the specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings in the specification which constitute a part of the present application are used to provide a further understanding of the present invention. The schematic implementation of the present invention and its description are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0017] Figure 1 It is a stereoscopic diagram of a specific embodiment of the electric tool of the present application (the electric tool is connected to a battery pack).

[0018] Figure 2 It is a schematic diagram of the structure of the electric tool of the present application after removing the first shell.

[0019] Figure 3 It is a schematic diagram of the structure of the electric tool of the present application after removing the cover plate (the electric tool is connected to a battery pack).

[0020] Figure 4 It is a three-dimensional diagram of the collection bucket of the electric tool of the present application.

[0021] Figure 5 This application is for power tools Figure 1 Stereoscopic diagram of the bracket.

[0022] Figure 6 This application is for power tools Figure 1 Rear view of .

[0023] Figure 7 yes Figure 1 Front view of the power tool with the battery pack connected and the hose and suction hose hidden.

[0024] Figure 8 It is a structural schematic diagram of the flat suction assembly of the electric tool of the present application.

[0025] Fig. 9 yes Figure 1 A schematic diagram of the structure without the collection bucket, the dust suction hose and the first shell.

[0026] Fig.10 yes Figure 7 Cross-sectional view at position AA.

[0027] Fig.11 yes Fig.10 Magnified view of the location of the clip.

[0028] Fig.12 This is a combined state diagram of the first motor, cylinder body, connecting rod, gear B, etc. of the electric tool of the present application.

[0029] In the figure: 1 first shell, 2 second shell, 3 collection bucket, 4 battery pack, 5 opening, 5-1 part, 5-2 another part, 6 cover, 7 suction hose, 8 hose, 9 handle, 10 power tool, 11 bracket, 12 second axis, 13 fifth protrusion, 14 hook, 15 second motor, 16 first motor, 17 gear B, 18 connecting rod, 19 connector, 20 gear A, 21 second accommodating space, 22 cylinder, 23 cable, 24 battery pack connector, 26 first axis hole, 27 second connecting part, 28 first axis, 29 elastic arm, 30 bucket cover, 31 entrance, 32 button body, 33 third protrusion, 34 third groove, 35 notch of bracket, 36 fourth axis hole, 37 first joint, 38 second joint, 39 adapter, 40-1 first sieve hole, 40-2 second sieve hole, 41 deflection suction component, 42 connecting end, 43 second groove, 44 first groove, 45 second protrusion, 46 first protrusion, 47 brush head, 48 bristle brush, 49 suction end port, 50 elastic buckle, 51 fourth protrusion, 100 lighting lamp, 110 mode switching button, 120-1 first cover member, 120-2 second cover member, 130 filter, 140 impeller, 150-1 first support member, 150-2 second support member, 160 power-on button, 170 start member, 180 A first pressing piece, 200 a first connecting portion, 210 a snap-fit ​​piece, 220 a third axial hole, 230 a third axis, 240 a first spring, 260 a sixth protrusion, 270 a first end, 280 a column, 290 a second end, 300 a cylindrical cavity, 310 a shell wall, 320 a power cord, 330 a seventh protrusion, 350 a first adapter, 360 a second accommodating space, 370-1 a first elastic pad, and 370-2 a second elastic pad. Specific embodiments

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In this document, the terms "first", "second", etc. are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Unless the context requires otherwise, throughout the specification and claims, the term "comprise" and its other forms such as the third person singular form "comprises" and the present participle form "comprising" are to be interpreted as open and inclusive, that is, "including, but not limited to".

[0032] See also Figures 1 to 12 This specific embodiment discloses an electric tool 10, including a housing,

[0033] The first motor 16, the piston assembly, the second motor 15, the collection barrel 3, the impeller 140, the battery pack connector 24 for providing power to the power tool 10, and the power cord for obtaining power for the power tool 10. The first motor 16 is used to make the piston assembly reciprocate to compress the air, the second motor 15 is used to drive the impeller 140 to rotate so as to form a negative pressure in the collection barrel 3, the battery pack connector 24 is used to be disassembled and docked with the battery pack 4, the battery pack connector 24 can be used to provide power to the power tool 10, the power cord can be used to provide power to the power tool 10, the housing is provided with a first shell 1 and a second shell 2, the first and second shells are combined into a whole, for example, the two can be fixedly combined by a number of bolts, the first motor 16 and the piston assembly, the second motor 15 and the impeller 140 and other parts that are easy to generate sound can also be arranged in the housing, thereby reducing the reflection and propagation of noise through the housing, and the power cord is provided with a cable 23 and a connector 19 connected to the cable 23. In this embodiment, the first motor 16 is used to drive the piston assembly to reciprocate to compress the air, and the second motor 15 is used to drive the impeller to rotate to form a negative pressure in the collection barrel 3. The compressed air generated above can be delivered to a variety of inflatable objects for use, such as tires, basketballs, balloons, etc. The negative pressure formed in the collection barrel 3 can pick up and collect dust, particles and other objects to be sucked (hereinafter referred to as the objects to be sucked for convenience of description). The integrated design takes up little space, especially when the usage scenario is a vehicle, it can save space in the vehicle. The above-mentioned power tool 10 can obtain electrical energy through a power cord or a battery pack, which is convenient to use.

[0034] The electric tool 10 is also provided with a transmission mechanism assembly, and the piston assembly is provided with a connecting rod 18 and a piston head (not marked in the figure) provided at the end of the connecting rod 18. The first motor 16 cooperates with the transmission mechanism assembly to output power to the connecting rod 18 so that it drives the piston head to reciprocate in the cylinder 22 to compress the atmosphere to form compressed air. In this embodiment, the transmission mechanism assembly includes a gear A20 provided at the output shaft end of the first motor 16 and another gear B17 eccentrically connected to the connecting rod 28. The two gears mesh to transmit power and can be designed to have a deceleration effect. In another embodiment, the transmission mechanism assembly can also be designed as a pulley or a sprocket and eccentrically arranged with the connecting rod 18 to drive its reciprocating motion.

[0035] The second motor 15 and the impeller 140 can form an integral component or two separate sub-components, which are basically arranged above the collecting barrel 3. The second motor 15 drives the impeller to rotate to generate airflow, thereby forming a negative pressure around the impeller. The impeller is arranged near the top of the collecting barrel 3 and is connected to the internal fluid of the collecting barrel 3. The outer wall of the collecting barrel 3 is provided with an inlet 31 that is connected to the internal fluid of the collecting barrel 3. The sucked object can be guided into the collecting barrel 3 through the inlet 31 for collection.

[0036] The electric tool 10 is provided with a power-on button 160, a mode switching button 110, and a starter 170. A MOS tube is respectively provided in the control circuit of the second motor 15 and the first motor 16 as a control switch. When the electric tool 10 selects the battery pack 4 for power supply, the power-on button 160 is pressed, and the control switch of the second motor 15 or the control switch of the first motor 16 is closed by operating the mode switching button 160 to select the start-up dust collection mode or the air pumping mode. It should be noted that when the electric tool 10 is in the dust collection mode or the air pumping mode and the starter 170 is pressed, the first relay in the circuit is energized to supply power to the first motor 16 and the second motor 15 at the same time. However, the MOS tube opened by pressing the starter 170 in different modes is different, and the motor of the circuit controlled by the opened MOS tube will start. When the power tool 10 is powered by the power cord, the principle is the same as above, except that the number of pins and the withstand voltage of the second relay in the circuit are different from those of the first relay in the circuit when the power is supplied by the battery pack. In this embodiment, the first motor 16 and the second motor 15 are DC brushed motors, and the operating voltage is generally around 12 V. It should be noted that when the power cord and the battery pack 4 simultaneously supply power to the power tool 10, preferably, the second relay in the circuit of the power cord is used to supply power to the first motor 15 or the second motor 15.

[0037] In this embodiment, the connector 19 is a cigarette lighter plug adapted to be connected to a cigarette lighter socket (not marked in the figure) of the vehicle, and the two are designed to be pluggable and electrically connected to transmit electrical energy.

[0038] In this embodiment, the electric tool 10 is further provided with a first button 180 for controlling the on and off of the lighting lamp 100 , which is disposed at the top corner of the housing.

[0039] In this embodiment, an opening or mesh hole 40 is provided on the second housing 2 near the cylinder 22 to allow air to pass through. Preferably, the opening or mesh hole 40 is located on the left and right sides of the battery pack connection seat, respectively, and air (atmospheric) fluid can be sucked into the cylinder 22 and compressed by the piston head. In this embodiment, the air fluid is compressed once and then output. In another embodiment, the air fluid can also be compressed multiple times and then output as gas with a higher pressure.

[0040] The electric tool 10 further includes a hose 8 for conveying compressed air, a first accommodating space 360, a first connector 37, a second connector 38 and an adapter 39 placed in the first accommodating space 360. The first accommodating space 360 ​​is formed on the second housing 2, generally located in the middle of the second housing 2, and presents a concave shape relative to other positions of the second housing 2. The first connector 37 and the second connector 38 can be detachably connected to one end of the hose 8 through the adapter 39, respectively. In this embodiment, the end of the hose 8 is also provided with a first adapter 350, which is used to be fixedly connected with the hose 8. A part of the first adapter 350 is inserted into the hose 8, and the other part is provided with an internal thread. The adapter 39 is a cylindrical pipe with an external thread and an internal thread. The external thread of the adapter 39 is threadedly connected with the internal thread of the first adapter (label). The first and second connectors are provided with external threads, and the external threads of the first and second connectors are threadedly connected with the internal thread of the adapter, thereby connecting the first and second connectors to the hose 8 through the adapter 39 and allowing the air path to be communicated. In another embodiment, a plurality of first and second joints may be provided, and these joints may be adapted to the adapter 39, so that one adapter 39 can be adapted to a plurality of joints, which is more convenient to use. In this embodiment, the first and second joints may provide a blowing effect for the insertion into the basketball or balloon or the second joint, respectively. In this embodiment, the first joint 37, the second joint 38 and the adapter 39 are respectively detachably fixed to the cover, for example, detachably fixed to the installation position (not marked in the figure) of the second shell 2, for example, the installation position corresponding to the number of the above joints may be manufactured in one piece on the second shell 2 to enhance the structural strength of the installation position.

[0041] The cover shell is provided with a first groove 44 for placing the hose 8, and the first groove 44 basically extends from the bottom of the first shell body 1 to the second shell body 2 and is generally in a winding shape, so as to accommodate a longer hose 8. The first groove 44 is provided with a first protrusion 46 for clamping the hose 8, and the first protrusion 46 interferes with the hose 8 placed in the first groove 44. In this embodiment, the bottom wall of the first groove 44 is provided with multiple pairs or multiple first protrusions 46 in the direction of the two side walls. When the hose 8 is placed in the first groove 44, multiple or multiple pairs of first protrusions 46 clamp the outer wall of the hose 8, so as to prevent the hose 8 from escaping when placed in the first groove 44.

[0042] The housing is further provided with a second groove 43, which is spaced apart from the first groove 44 and is generally provided on the housing at the accommodation space 21. More specifically, the second groove 43 basically extends from the bottom of the first housing 1 to the bottom of the second housing 2, and is generally in an inverted "U" shape, so as to accommodate a longer dust hose 7. In this embodiment, the second groove 43 is provided with a second protrusion 45 for holding the dust hose 7, and the second protrusion 45 interferes with the dust hose 7 placed in the second groove 43. In a specific embodiment, the bottom wall of the second groove 43 is provided with multiple or multiple pairs of second protrusions 45 in the direction of the two side walls. When the dust hose 7 is placed in the second groove 43, the multiple or multiple pairs of second protrusions 45 hold the outer wall of the dust hose 7, so as to prevent the dust hose 7 from escaping when it is accommodated in the second groove 43.

[0043] In this embodiment, the vacuum hose 7 can be attached to the collecting bucket 3, and the connecting end 42 of the vacuum hose 7 and the inlet 31 of the collecting bucket are combined into a whole in the form of plug-in, so that the deflection suction component 41 arranged opposite to the connecting end 42 is fluidically connected with the inlet 31, and a brush head 47 is also sleeved on the outside of the deflection suction component 41, and the brush head 47 is provided with a bristle brush 48. The brush head 47 can be movably arranged relative to the deflection suction component 41. For example, an elastic buckle 50 is arranged on the brush head 47, and a fourth protrusion 51 is arranged on the outer side of the deflection suction component 41. The elastic buckle 50 and the fourth protrusion 51 are engaged to form a fixed connection or can be moved after unlocking the engagement. When the object to be sucked is attached to or adhered to the surface of an object or inside a gap, the position of the brush head 47 is unlocked so that the bristle brush 48 extends to the outside of the port 49 of the suction end, and the above-mentioned object to be sucked is rolled up by the bristle brush 48, making suction easier and easier to operate. The suction hose 7 can be used to suck up objects that are a certain distance away from the electric tool 10. Since the suction hose 7 has a certain deformation capacity, the suction angle of the suction hose when sucking the objects can also be adjusted.

[0044] The electric tool 10 also includes a cover plate 6, a buckle 210, and a first spring 240. The housing is provided with a second accommodating space 21 for placing a power cord 320. The cover plate 6 can be covered on the second accommodating space 21 to cover the second accommodating space 21. A matching fourth shaft (not marked in the figure) and a fourth shaft hole 36 are provided between the cover plate 6 and the housing to enable the cover plate 6 to rotate with the housing. The cover plate 6 is provided with a first connecting portion 200. A third shaft 230 and a third shaft hole 220 are provided between the buckle 210 and the first connecting portion 200 to enable the buckle 210 to rotate. The first spring 240 is rotatably engaged with the first connecting portion 200, and is disposed between the latch member 210 and the first connecting portion 200, biasing the latch member 210 in a compressed state for resetting. The cover 6 can be opened from the second accommodating space 21 by rotating the latch member 210. When the cover 6 is closed on the second accommodating space 21, a through opening 5 communicating with the second accommodating space 21 and allowing the power cord 320 to pass through is defined between the cover 6 and the cover shell. A portion of the through opening 5 is formed on the cover 6, which is generally in the shape of a groove, and the other portion is formed on the cover shell, which is also generally in the shape of a groove. In a specific embodiment, a column 280 is provided in the first connecting portion 200, and the locking member 210 is provided with a cylindrical cavity 300. Part of the first spring 240 is sleeved on the column 280, and the other part is located in the cylindrical cavity 300. The locking member 210 as a whole presents an L-shaped structure, having a first end 270 and a second end 290 relative to the first end 270. Part of the second end 290 overlaps with the bottom of the first connecting portion 200, and part of the first end 270 extends to the upper right side of the cover plate 6. A sixth protrusion 260 is also provided on the locking member 210. When the cover plate 3 covers the second accommodating space 21, the sixth protrusion 260 is located on the left side of the shell wall 310 of the cover shell and is partially blocked by the shell wall 310. When the first end 270 is pressed and force is applied, the first spring 240 is compressed, the sixth protrusion is disengaged from the wall shell 310, and the cover plate 6 can be rotated to open the second accommodating space 21.

[0045] The electric tool 10 further comprises a bracket 11 connected to the housing, a filter 130 connected to the bracket 11, the collection bucket 3 is covered on the outside of the filter 130 and is detachably connected to the bracket 11; a button member and a second spring are provided on the collection bucket 3, the button member is provided with a button body 32 and a hook 14, the button body 32 can be rotatably matched with the collection bucket 3, the second spring (not marked in the figure) is located between the button body 32 and the collection bucket 3, and is in a compressed state to bias the button body 32 for resetting, the button body 32 and the hook 14 are located at opposite ends of the button member, the hook 14 can be engaged with the fifth protrusion 13 of the housing so that the collection bucket 3 can be fixedly connected to the bracket 11, and pressing the button body 32 can release the engagement between the hook 14 and the fifth protrusion 13 so that the collection bucket 3 can be separated from the bracket 11. In a specific embodiment, the button body 32 and the collection bucket 3 can be rotatably matched by providing a second shaft hole (not marked in the figure) on the collection bucket 3 to cooperate with the second shaft 12. In this embodiment, by providing a button on the collecting barrel 3, the state transition between the collecting barrel 3 and the bracket 11 can be quickly achieved, making the replacement of the filter 130 more convenient and easy to operate.

[0046] The electric tool 10 is further provided with a third protrusion 33 and a third groove 34, one of which is provided on the outer wall of the collection bucket 3, and the other is provided on the inner wall of the bracket. The third protrusion and the third groove can be slidably matched so that the collection bucket and the bracket can be slidably matched. In a specific embodiment, two third protrusions 33 are provided on the outer wall of the collection bucket 3 at intervals, and the two third protrusions 33 are arranged along the assembly direction of the collection bucket 3 and the bracket 11 ( Figure 2 The third protrusions 33 are provided on the inner wall of the bracket 11, and two third grooves 34 are provided on the inner wall of the bracket 11. The two third protrusions 33 can be slidably matched in the two third grooves 34, so that when the collection bucket 3 is fixed to or separated from the bracket 11, it plays a role in guiding the collection bucket 3, making the above two processes smoother. In another embodiment, the third protrusions 33 can be provided on the inner wall of the bracket 11, and the third grooves 34 can be provided on the outer wall of the collection bucket 3, which can also achieve the above effect.

[0047] The bottom of the collection barrel 3 is provided with a barrel cover 30 and a second connecting portion 27 provided on the outer wall of the collection barrel. A first shaft 28 and a first shaft hole 26 are provided between the second connecting portion 27 and the barrel cover 30 to enable the barrel cover 30 to rotate with the collection barrel 3. A buckle is provided on the barrel cover 30, and a cantilevered elastic arm 29 is provided on the buckle. The elastic arm 29 can be engaged with the outer wall of the collection barrel to fix the barrel cover 30 with the collection barrel 3. In a specific embodiment, one end of the elastic arm 29 is a hook-shaped structure, which can be engaged with the seventh protrusion 330 provided on the outer wall of the collection barrel, and the second connecting portion 27 is in clearance with the notch 35 of the bracket. When it is necessary to remove the sucked objects in the collection barrel 3, the elastic arm 29 is forced to separate from the collection barrel 3, and the barrel cover 30 is turned over with the first shaft 28 as the rotation center, so that the lower part of the collection barrel 3 blocked by the barrel cover 30 is opened, and the sucked objects in the collection barrel 3 can be dumped in this state. Therefore, when the sucked object needs to be removed, it is not necessary to separate the entire collection bucket 3 from the bracket 11 to dump the sucked object. The collection bucket 3 only needs to be separated when the filter 130 is replaced, which is convenient and quick for the user. Of course, it is not excluded that when the sucked object is stuck between the filter 130 and the collection bucket 3, the entire collection bucket 3 can also be separated from the bracket 11 and dumped.

[0048] The housing is provided with a second accommodating space 21 for placing a power cord 320, the first motor 16 is provided in the middle of the power tool 10, the second accommodating space 21 and the second motor 15 and the impeller 140 are located on the left and right sides of the first motor 16; the power tool is further provided with a housing, a cylinder body 22 for accommodating a piston assembly, a first support member 150-1 and a second support member 150-2 fixedly connected to the cylinder body 22, a first cover member 120-1, and a second cover member 120-2, the housing is provided with a first shell 1 and a second shell 2, and the first shell 1 and the second shell 2 are exposed to the power cord 320. The first housing 1 is located on the front side of the second housing 2, the first cover 120-1 and the second cover 120-2 are accommodated in the space enclosed by the first housing 1 and the second housing 2, the first cover 120-1 is located on the front side of the second cover 120-2, the first cover 120-1 and the first housing 1 are fixedly connected by fasteners, the second cover 120-2 and the second housing 2 are fixedly connected, the first cover 120-1 and the second cover 120-2 are fixedly connected, and the first cover 120-1 and the second cover 120-2 are assembled and used to cover the cylinder 22. The cylinder 22 and the first motor 16 are connected to each other, the first support member 150-1 and the second support member 150-2 are located on opposite sides of the cylinder 22, the first support member 150-1 is supported by the first cover member 120-1, and the second support member 150-2 is supported by the second cover member 120-2. Elastic cushions for shock absorption are provided between the first support member 150-1 and the first cover member 120-1 and between the second support member 150-2 and the second cover member 120-2. In this embodiment, the elastic cushions include the first elastic cushion 370 -1 and the second elastic pad 370-2, so that the first support member 150-1 of this embodiment is indirectly supported on the first cover member 120-1 through the first elastic pad 370-1, and the second support member 150-2 is indirectly supported on the second cover member 120-2 through the second elastic pad 370-2, and the first support member 150-1 and the second support member 150-2 are integrally molded with the cylinder body 22; the power tool 10 is also provided with a handle 9, and the handle 9 and the battery pack connecting seat 24 are located on the upper and lower sides of the center of gravity of the power tool 10, and the center of gravity of the power tool 10 is approximately located at Figure 2 The circle 25 in the figure is located at the same vertical plane as the central axis of the first motor 16. When the user holds the handle 8 to lift and move the power tool 10, it is more labor-saving. Figure 2 The battery pack connector 24 is located above the recess. When the battery pack 4 is connected to the battery pack connector 24, most of the battery pack 4 is located in the recess. This protects the battery pack 4 and reduces the overall size of the power tool 10.

[0049] It should be pointed out that the above preferred embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of this application should be included in the protection scope of the present invention.

Claims

1. An electric tool, characterized in that: include: A cover shell, a first motor, a piston assembly, a second motor, a collecting bucket, an impeller, a battery pack connector for obtaining electrical energy for the power tool, and a power cord for obtaining electrical energy for the power tool, the first motor is used to drive the piston assembly to reciprocate to compress air, the second motor is used to drive the impeller to rotate to form a negative pressure in the collecting bucket, the battery pack connector is used to dock with the battery pack for disassembly, and the power cord is provided with a cable and a connector connected to the cable.

2. The electric tool according to claim 1, characterized in that: The connector is a cigarette lighter plug adapted to be connected to the cigarette lighter socket of the vehicle.

3. The electric tool according to claim 1, characterized in that: It also includes a hose for conveying compressed air, a first accommodating space, a first joint, a second joint and an adapter. The first joint, the second joint and the third joint are placed in the first accommodating space. The first joint and the second joint can be detachably connected to one end of the hose through the adapter respectively; the first joint, the second joint and the adapter are detachably fixed to the cover shell respectively.

4. The electric tool according to claim 3, characterized in that: The housing is provided with a first groove for placing the hose, the first groove is provided with a first protrusion for clamping the hose, and the first protrusion interferes with the hose placed in the first groove.

5. The electric tool according to claim 4, characterized in that: It also includes a second groove and a dust suction hose. The second groove is spaced apart from the first groove. The dust suction hose can be attached to the collecting bucket. The second groove is provided with a second protrusion for clamping the dust suction hose. The second protrusion interferes with the dust suction hose placed in the second groove.

6. The electric tool according to claim 1, characterized in that: It also includes a cover plate, a latch, and a first spring. The cover shell is provided with a second accommodating space for placing the power cord. The cover plate can be covered on the second accommodating space. A matching fourth axis and a fourth axis hole are provided between the cover plate and the cover shell to enable the cover plate and the cover shell to rotate and cooperate. The cover plate is provided with a first connecting part. A third axis and a third axis hole are provided between the latch and the first connecting part to enable the latch and the first connecting part to rotate and cooperate. The latch is biased in a compressed state for resetting. When the cover plate is covered on the second accommodating space, a through hole connected to the second accommodating space and allowing the power cord to pass through is defined between the cover plate and the cover shell. A part of the through hole is formed on the cover plate, and the other part is formed on the cover shell.

7. The electric tool according to claim 1, characterized in that: It also includes a bracket connected to the cover shell and a filter connected to the bracket. The collection barrel cover is arranged on the outside of the filter and is detachably connected to the bracket. A button member and a second spring are provided on the collection barrel. The button member is provided with a button body and a hook. The button body can be rotatably matched with the collection barrel. The second spring is located between the button body and the collection barrel, and biases the button body in a compressed state for resetting. The button body and the hook are located at opposite ends of the button member. The hook can be engaged with the fifth protrusion of the cover shell so that the collection barrel can be fixedly connected to the bracket. Pressing the button body can release the engagement between the hook and the fifth protrusion so that the collection barrel can be detached from the bracket.

8. The electric tool according to claim 7, characterized in that: A third protrusion and a third groove are also provided, one of which is provided on the outer wall of the collection barrel, and the other is provided on the inner wall of the bracket, and the third protrusion and the third groove can be slidably matched so that the collection barrel and the bracket can be slidably matched.

9. The electric tool according to claim 1, characterized in that: The bottom of the collecting barrel is provided with a barrel cover and a second connecting part provided on the outer wall of the collecting barrel, and a matching first axis and a first axis hole are provided between the second connecting part and the barrel cover to enable the barrel cover and the collecting barrel to rotate together. A buckle is provided on the barrel cover, and the buckle is provided with a cantilevered elastic arm, and the elastic arm can be snapped onto the outer wall of the collecting barrel to fix the barrel cover and the collecting barrel.

10. The electric tool according to claim 1, characterized in that: The cover shell is provided with a second accommodating space for placing the power cord, the first motor is provided in the middle position of the electric tool, and the second accommodating space, the second motor and the impeller are located on the left and right sides of the first motor; the electric tool is also provided with a cover shell, a cylinder body for accommodating the piston assembly, a first support member and a second support member fixedly connected to the cylinder body, a first cover member and a second cover member, the cover shell is provided with a first shell and a second shell, the first shell and the second shell are exposed to the outside of the electric tool, the first shell is located on the front side of the second shell, the first cover member and the second cover member are accommodated in the space enclosed by the first shell and the second shell, the first cover member is located on the front side of the second cover member, the first cover member The cover member is fixedly connected to the first shell by fasteners, the second cover member is fixedly connected to the second shell, the first cover member is fixedly connected to the second cover member, the first cover member and the second cover member are assembled to cover the cylinder body and the first motor, the cylinder body and the first motor are connected to each other, the first support member and the second support member are located on opposite sides of the cylinder body, the first support member is supported by the first cover member, the second support member is supported by the second cover member, and elastic pads for shock absorption are provided between the first support member and the first cover member and between the second support member and the second cover member; the electric tool is also provided with a handle, and the handle and the battery pack connecting seat are located on the upper and lower sides of the center of gravity of the electric tool.

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