CN113071542B - Working cart with built-in dust collection system - Google Patents

Abstract

The invention relates to a working cart with a built-in dust suction system, which comprises a dust suction system and a cart body. In the present invention, the dust suction system is directly assembled with the cart body, so that the dust suction system of the present invention can reduce useless structures, so that the dust suction system can be assembled with the cart body with a more simplified structure. At the same time, the present invention is directly assembled with the cart body through the dust suction system, so that the cart body breaks the stereotype of the old use mode, so that the cart body is no longer just a carrying tool of a vacuum cleaner, thereby greatly The use benefit of the cart body is increased. On the other hand, the present invention further enables a dust storage bucket on the dust suction system to be independently detachable, so that the operator does not need to remove other components when replacing the dust storage bucket, which facilitates the operation of the operator.

Description

Work trolley with built-in vacuum system

technical field

The invention relates to a work trolley, in particular to a work trolley with a built-in dust suction system.

Background technique

Cutting tools and sanders are often used in woodworking, sheet metal, stone countertops, architectural decoration and fiberglass and other materials such as cutting, sanding, and polishing. ) and polishing machine (polisher) and other machine tools. Taking the grinding machine as an example, when performing grinding operations, the grinding machine should be used first from the Rotation Sander with the coarsest grinding particle size, then use the Orbital Sander with the medium grinding, and finally use it The random movement eccentric grinder (Random Orbital Sander) with the finest grinding particle size, and the thickness of the grinding consumables also range from the thickest #24, #60, #100 to #1000, #2000, #5000. In addition, in order to cope with the different materials of different objects to be ground, the materials used for the grinding consumables are also different. Therefore, in order for operators to prepare multiple machine tools and various consumables in the working area at the same time, a working trolley for placing various machine tools and various consumables becomes a necessary device. Further, when the above-mentioned processing operations are carried out, a large amount of dust will inevitably be raised in the air, which will endanger the health of the operators. Therefore, most existing work carts will be equipped with vacuum cleaners and other equipment to allow the operators to perform processing operations. In addition to increasing the convenience of work, it can also maintain its health at the same time.

Existing work carts can be roughly divided into the following categories according to their structural configurations. One is to add wheels directly to the bottom of the vacuum cleaner, the other is to place the vacuum cleaner on the work cart, and the other is to It is the internal system of the vacuum cleaner combined directly with the work trolley. First of all, it is explained that the working carts with wheels directly installed at the bottom of the vacuum cleaner, such as Mobile dust extractor CTL 48E AC CLEANTEX, Mobile VacuumCleaner CTM 26E and WCR1000WORK CENTRE of FESTOOL Company, Dust Extractor 1025L PC 230V of MIRKA Company and RUPES Company MOBILECLEANER KS260EN and other products reveal that although this type of working cart provides the technical teaching that the vacuum cleaner can be moved, these working carts must disassemble the power cord, compressed air pipe, dust suction pipe, housing and the vacuum cleaner so that the vacuum cleaner can be opened to replace the dust container. Furthermore, this type of working trolley is not provided with a working platform, which is inconvenient for operators to place machine tools during operation.

On the other hand, the type that the vacuum cleaner is directly placed on the work cart can be seen in Chinese Patent No. CN207786208U, Trolley for dust extractor of MIRKA Company and MULTIPURPOSET ROLLEY FOR PROFESSIONAL VACUUN CLEANERS of RUPES Company, etc. According to the aforementioned disclosure, it can be found that this type of working cart is an additional vacuum cleaner placed on the working cart, and its dust collection system is obviously not completely integrated with the working cart. Because both the vacuum cleaner and the working trolley have their own housing and other structures, when the vacuum cleaner is received in the working trolley, only the housing of the working trolley can protect the internal devices. The shell of the vacuum cleaner cannot produce functions, so that the shell of the vacuum cleaner is not only useless, but also increases the cost of the work cart. Furthermore, when replacing the dust collecting bucket, the working trolley of this type must first unload the vacuum cleaner from the working trolley, and then dismantle the structure on the vacuum cleaner in order to take out the dust collecting bucket. Come to make things convenient for the operating personnel to change dust collecting bucket equally.

Contents of the invention

The main purpose of the present invention is to solve the problems derived from the fact that the existing dust collection system is not fully integrated with the work trolley and cannot be disassembled independently of the dust collection bucket.

In order to achieve the above purpose, the present invention provides a working cart with a built-in dust suction system, which includes a dust suction system and a cart body. The dust suction system includes a cyclone dust separation device, a suction motor, and a The cyclone dust separation device, the air pipe of the exhaust motor, and a dust storage bucket, the trolley body has a frame, an assembly space defined by the frame, and an assembly space located in the assembly space and connected to the frame A supporting plate, the supporting plate divides the assembly space into a top area and a bottom area, the supporting plate has a perforation, the top area provides the cyclone type dust separation device and the suction motor in it, the cyclone type dust separation device A dust discharge outlet is provided corresponding to the perforation, and the bottom area provides the dust storage bucket, which is suspended on the side of the supporting plate facing the bottom area and can be independently taken out from the cart body.

In one embodiment, the air duct is formed by a channel on the side of the carrier plate facing the top region.

In one embodiment, the vacuum system includes a power supply module disposed on the top area or the bottom area and at least electrically connected to the air suction motor.

In one embodiment, the cart body has a working platform arranged on the top of the frame.

In one embodiment, the stroller body has a plurality of first exterior trim panels respectively corresponding to the top area.

In one embodiment, at least one of the first exterior trim panels and the working platform is provided with a plurality of ventilation holes.

In one embodiment, one of the first exterior trim panels is provided with a power socket for plugging in an external device.

In one embodiment, the stroller body has at least one storage drawer disposed in the bottom area.

In one embodiment, the dust suction system includes a high-efficiency air particulate filter (HEPA) arranged between the cyclone dust separation device and the suction motor, and the filtration efficiency of the high-efficiency air particulate filter is more than 90%. .

In addition to the above, the present invention also provides a working cart with a built-in dust suction system, which includes a dust suction system and a cart body. The dust suction system includes a cyclone dust separation device, a suction motor, and a connecting The air pipe of the cyclone dust separation device, the exhaust motor, and a dust storage barrel, the cart body has a frame, an assembly space defined by the frame, and an assembly space connected to the cart. The supporting plate of the frame, the supporting plate divides the assembly space into a top area and a bottom area, the supporting plate has an air hole communicating with the air pipe and a perforation, the top area is used for the cyclone type dust separation device to be installed therein, the A dust exhaust outlet of the cyclone dust separation device is set corresponding to the perforation, and the bottom area is provided for the exhaust motor and the dust storage bucket, and the exhaust motor and the dust storage bucket are respectively hung on the side of the supporting plate facing the bottom area , the exhaust motor corresponds to the air hole, the dust bucket corresponds to the perforation and can be independently taken out from the cart body.

In one embodiment, the support plate is provided with the air pipe on the side facing the top area, and the air pipe communicates with the exhaust motor and the air outlet respectively.

In one embodiment, the vacuum system includes a power supply module disposed on the top area or the bottom area and at least electrically connected to the air suction motor.

In one embodiment, the cart body has a working platform arranged on the top of the frame.

In one embodiment, the stroller body has a plurality of first exterior trim panels respectively corresponding to the top area and a plurality of second exterior trim panels respectively corresponding to the bottom area.

In one embodiment, at least one of the second exterior trim panels and the working platform is provided with a plurality of ventilation holes.

In one embodiment, one of the first exterior trim panels is provided with a power socket for plugging in an external device.

In one embodiment, the stroller body has at least one storage drawer disposed on the bottom area and separated from the blower motor.

In one embodiment, the vacuum system includes a high-efficiency particulate air filter (HEPA) connected to the air duct and located before the suction motor, and the filtration efficiency of the high-efficiency particulate air filter is above 90%.

According to the content of the foregoing invention, compared with the prior art, the present invention has the following characteristics: the present invention breaks the old habit of using work carts, so that the vacuum system can be directly assembled in the assembly space. Yes, the present invention makes the working trolley achieve greater use efficiency, rather than just being a carrying tool for a vacuum cleaner. In addition, the dust storage bucket of the present invention is directly hung on the side of the supporting plate facing the bottom area and can be taken out from the cart body independently. Compared with the existing ones, the present invention does not need additional disassembly when disassembling the dust storage bucket The structure on the work trolley makes the dust storage bucket easy to disassemble.

Description of drawings

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

Fig. 2 is a schematic diagram of the extractable dust storage bucket according to the first embodiment of the present invention.

FIG. 3 is an exploded schematic diagram of some components of the first embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view of the structure of the first embodiment of the present invention.

FIG. 5 is a schematic diagram of the air flow during the implementation of the first embodiment of the present invention.

Fig. 6 is a schematic diagram of a unit of the first embodiment of the present invention.

FIG. 7 is a schematic cross-sectional view of the structure of the second embodiment of the present invention.

Symbol Description

100...........Work carts

10............ Vacuum suction system

11........... Cyclone dust separation device

111............. Air inlet

112...........Dust exhaust outlet

12............ Ventilation motor

121............Electric motor

122............ Air barrel

123............ Inlet side

124...........Auxiliary support rod

13..........Trachea

131...........Intake end

132........Outlet port

133...........Channel

14..........Dust storage bucket

141............opening

142...........Diameter

15..........High Efficiency Particulate Air Filter

16........... Airway

17............ Ventilation motor

171...........Electric motor

172............air bucket

174...........Auxiliary support rod

20............Trolley body

21............Frame

211..........Wheels

212...........Trolley handle

22...........Assembly space

221..........Top area

222...........Bottom area

23............Bracket

231...........Perforation

232........Air hole

24...........Working platform

25...........First exterior trim panel

251............ Vent hole

252............Suction tube base

253...........Tetracheal connector

254...........Power socket

255............ Trim handle

256...........Operating knob

257..........Manifold

258...........Power switch

26...........Separator

27........ Vias

28...........Hook pieces

29...........Power supply module

291...........Working electricity

30...........Hook

301........Spacing

31...........Storage drawer

311............ Drawer handle

32...........Second exterior trim panel

321............ Vent hole

33............ Air source inlet

34..........Air supply outlet

70............ Airflow to be filtered

71..........Descent swirl

72...........Upward swirl

73........... Airflow after dust separation

74...........High pressure air flow

75............ Cooling Airflow

80........... Dust

200...........Hand tools

Detailed ways

Detailed description and technical contents of the present invention are described as follows in conjunction with drawings:

Hereinafter, the terms "first" and "second" used for components are intended to distinguish these components, and are not used to limit the sequence of these components. In addition, the "top", "bottom", and

Relative spatial terms such as "upward" and "downward" are determined based on the directions drawn in the drawings in this article. It is understandable that the relative spatial terms may change with the direction of the drawings. For example, this drawing Once the image is horizontally placed, the original "Top" and "Bottom" will be changed to "Left" and "Right" respectively.

Please refer to FIG. 1 to FIG. 5 , the present invention provides a work cart 100 with a built-in dust collection system. The work cart 100 includes a dust collection system 10 and a cart body 20. The dust collection system 10 includes a cyclone type dust separation device 11 , an exhaust motor 12 , an air pipe 13 and a dust storage barrel 14 . Specifically, the cyclone dust separation device 11 communicates with the exhaust motor 12 through the air pipe 13, and the cyclone dust separation device 11 has an air inlet 111 connected to the outside. Actuated by the exhaust motor 12 , the air inlet 111 sucks a dust-to-be-filtered airflow 70 , so that the dust-to-be-filtered airflow 70 enters the dust suction system 10 for dust separation. Also, the exhaust motor 12 used in the present invention is a motor that can be used in dry and wet environments at the same time, so the airflow 70 to be filtered by the cyclone dust separation device 11 can be a moist air or a Moisture air (commonly known as dry air). In one embodiment, the ventilation motor 12 includes an electric motor 121 and an air barrel 122 connected to the electric motor 121. When the electric motor 121 is started, air is sucked into the air barrel 122 with an air inlet side 123, so that the air The high-pressure airflow 74 is converted into a high-pressure airflow 74 by the action of the air bucket 122 , and then the high-pressure airflow 74 is discharged toward the direction facing the electric motor 121 and dissipates heat to the electric motor 121 at the same time. In addition, the air exhaust motor 12 is stably assembled on the cart body 20, the air exhaust motor 12 includes at least one auxiliary support rod 124 connected to the air barrel 122, and each auxiliary support rod 124 is respectively located on the air exhaust motor 12. The outer side is used to fix the blower motor 12 on the cart body 20 . On the other hand, the air pipe 13 has an air inlet 131 connected to the cyclone dust separation device 11 and an air outlet 132 connected to the air inlet side 123 of the fan motor 12, the air inlet 131 accepts the cyclone dust The airflow exhausted by the separation device 11 is used to make the airflow in the air duct 13 flow from the air outlet 132 toward the air inlet side 123 of the fan motor 12 , which will be described in detail later. In addition, the dust storage bucket 14 is disposed under the cyclone dust separation device 11 , and the dust storage bucket 14 is used for receiving a dust 80 filtered by the cyclone dust separation device 11 from the airflow 70 to be filtered.

On the other hand, the trolley body 20 of the present invention is provided in which the vacuum system 10 is disposed. The trolley body 20 has a frame 21, an assembly space 22 defined by the frame 21, and a 22 and is connected to the bearing plate 23 of the vehicle frame 21. The frame 21 includes a plurality of wheels 211 respectively disposed at the bottom and a cart handle 212 . Moreover, the bearing plate 23 is arranged in the assembly space 22 in a horizontal manner, whereby the bearing plate 23 divides the assembly space 22 into a top area 221 and a bottom area 222, and the top area 221 is provided for the cyclone dust The separation device 11 and the exhaust motor 12 are disposed thereon, and the bottom area 222 is provided for the dust storage bucket 14. The height of the top area 221 and the height of the bottom area 222 can be adjusted according to the size of the internal device. Further, the support plate 23 has a perforation 231, the perforation 231 is provided on the side facing the top area 221 corresponding to a dust discharge outlet 112 of the cyclone dust separation device 11, and the perforation 231 is on the side facing the bottom One side of the area 222 is disposed corresponding to an opening 141 of the dust storage bucket 14 , that is, the perforation 231 is used to connect the cyclone dust separation device 11 and the dust storage bucket 14 .

Next, please refer back to FIG. 3 to FIG. 5 , the implementation of the working trolley 100 will now be described. First, it is assumed that the working trolley 100 of the present invention does not start processing at the beginning, that is, the ventilation motor 12 does not start running. When the ventilation motor 12 is controlled and started to operate, the ventilation motor 12 extracts the airflow 70 containing the dust 80 to the outside through the cyclone dust separation device 11 . After the dust-to-be-filtered airflow 70 enters the cyclonic dust separation device 11 from the air inlet 111, the dust-to-be-filtered airflow 70 forms a downward swirl 71 along the inner wall of the cyclone-type dust separation device 11, and because the cyclone-type dust separation device The pipe diameter of 11 is tapered, and the rotating speed of the descending swirl 71 gradually increases during the descent, and the dust 80 is displaced to the outer edge of the descending swirl 71 by centrifugal action, and then the dust 80 follows the descending swirl 71 Displace along the inner wall of the cyclone dust separation device 11 through the through hole 231 and face the dust storage barrel 14 . Next, when the descending swirl flow 71 is displaced to the position inside the dust storage barrel 14, since the pipe diameter of the dust storage barrel 14 is larger than the pipe diameter of the cyclone dust separation device 11, the descending swirl flow 71 The speed of rotation decreases, and the dust 80 sinks in the dust storage bucket 14 due to the centrifugal effect, and at the same time, the descending swirl 71 is transformed into an ascending swirl 72 by the suction motor 12 . Afterwards, the ascending swirl 72 continues to be displaced toward the direction of the exhaust motor 12 to become a relatively clean dust-separated airflow 73 , and the dust-separated airflow 73 will enter the air barrel 122 of the exhaust motor 12 along the air pipe 13 In this process, the dust-separated airflow 73 is pressurized by the air barrel 122 and transformed into the high-pressure airflow 74 . The high-pressure airflow 74 is guided by the air barrel 122 so that the high-pressure airflow 74 flows toward the direction facing the electric motor 121, so that the high-pressure airflow 74 is discharged from the air barrel 122 and transformed into a heat-dissipating airflow 75. 75 dissipates heat from the electric motor 121 while discharging the fan motor 12 .

Thus, compared with the prior art, the present invention breaks the stereotype of the old work trolley usage, that is, the dust collection system 10 is directly combined with the cart body 20, so that the dust collection system 10 of the present invention has a more Simplified structure. In addition, the dust storage barrel 14 of the present invention has the characteristic of being independently detachable, so that when replacing the dust storage barrel 14, the operator does not need to dismantle other components, thereby facilitating the replacement for the operator. Moreover, the working trolley 100 of the present invention is used with a hand tool 200 during implementation, and the hand tool 200 can be an electric hand tool (not shown in the figure) or a pneumatic hand tool (not shown in the figure). Moreover, when the hand tool 200 is used as the pneumatic hand tool, the work trolley 100 can be externally connected to an air pump (not shown in the figure), and by means of an air source inlet 33 on the trolley body 20 and an air pump Connect the air supply outlet 34 of the pneumatic hand tool to make the air pump the power source of the pneumatic hand tool.

Referring again to FIGS. 3 to 5 , in one embodiment, the trachea 13 of the present invention is formed by a channel 133 disposed on the support plate 23 on the side facing the top region 221 , and the two ends of the channel 133 are respectively Connecting the cyclone dust separation device 11 and the exhaust motor 12, the passage 133 receives the dust-separated airflow 73 discharged from the cyclone dust separation device 11, and guides the dust-separated airflow 73 to flow toward the exhaust motor 12 . On the other hand, in one embodiment, the dust suction system 10 includes a high-efficiency air particle filter (HEPA) 15 arranged between the cyclone dust separation device 11 and the suction motor 12, and the high-efficiency air particle filter The net 15 communicates with the passage 133 and is located before the exhaust motor 12. The high-efficiency air particulate filter 15 receives the dust-separated airflow 73 from the cyclone dust separation device 11, and intercepts the dust-separated airflow 73. The contained fine dust 80 makes the airflow 73 cleaner after the dust is separated by the high-efficiency air particulate filter 15 . In one embodiment, the filtration efficiency of the high-efficiency air particulate filter 15 is above 90%. Further, the dust suction system 10 may further include an air duct 16 connecting the high-efficiency air particle filter 15 and the cyclone dust separation device 11 .

In one embodiment, referring back to FIGS. 2 to 5 , the cart body 20 has a working platform 24 disposed on the top of the frame 21 and a plurality of first exterior panels 25 respectively corresponding to the top area 221 , The working platform 24 provides operators to grind on it, the first exterior trim panels 25 are connected to the working platform 24, and the first exterior trim panels 25 and the working platform 24 jointly cover the cyclone dust separation device 11 And the ventilation motor 12. In one embodiment, at least one of the first exterior trim panels 25 can be provided with at least one trim panel handle 255 operated by the operator, and the trim panel handle 255 allows the operator to selectively close or release the top area 221 . Also, at least one of the first exterior trim panels 25 can be provided with at least one hinge (not shown in the figure), and the hinge allows at least one of the first exterior trim panels 25 to pivot relative to the cart body 20. Turn to open and close. On the other hand, the trolley body 20 has a partition 26 located on the top area 221 and used to separate the suction motor 12 from the cyclone dust separation device 11 , and an air flow channel formed on the partition 26 27. At least one of the first exterior trim panels 25 and the working platform 24 is provided with a plurality of ventilation holes 251, and these ventilation holes 251 communicate with the air flow channel 27, and these ventilation holes 251 are used for the discharge of the exhaust motor 12. The heat-dissipating airflow 75 flows through the airflow channel 27 into the top area 221 corresponding to the ventilation holes 251 , and then is discharged out of the stroller body 20 through the ventilation holes 251 . In addition, at least one operating knob 256 for controlling the rotation speed of the fan motor 12 can be disposed on one of the first exterior trim panels 25 .

Moreover, in one embodiment, the cart body 20 has at least one hook 28 disposed on at least one of the first exterior trim panels 25, and the hook 28 can be used for the hand tool machine 200 to vacuum Tube hanging. In addition, in another embodiment, one of the first exterior trim panels 25 is provided with at least one suction pipe base 252, and the suction pipe base 252 is provided with an air pipe joint 253 connected to the air inlet 111. . During implementation, the dust suction pipe base 252 allows the dust airflow 70 to be filtered to flow into the cyclone dust separation device 11 through the air pipe joint 253, and then the dust airflow 70 to be filtered enters the cyclone dust separation device 11 for further cleaning. Dust filter work. Further, if the dust suction pipe base 252 is provided in multiples, in order to make the air pipe connector 253 provided on each of the dust suction pipe base 252 can be connected with the cyclone dust separation device 11, the air pipe joints 253 communicate with the cyclone dust separation device 11 through a manifold 257 respectively.

On the other hand, please refer to FIG. 4 to FIG. 6 again. In one embodiment, the vacuum system 10 includes a power supply module 29 electrically connected to at least the exhaust motor 12, and the power supply module 29 can be arranged on the top area. 221 or the bottom area 222, specifically, when the power supply module 29 is arranged on the top area 221, the power supply module 29 is assembled on the partition plate 26, and the power supply module 29 transmits a The working power 291 makes the ventilation motor 12 start running after receiving the working power 291 . Moreover, when the power supply module 29 is arranged on the bottom area 222, at least one threading hole (not shown in the figure) may be provided on the support plate 23, and the threading hole is used for an electric wire (not shown in the figure) of the power supply module 29. The wire is connected to the fan motor 12 through the bottom area 222 to the top area 221 . Furthermore, one of the first exterior trim panels 25 is provided with a power switch 258 electrically connected to the power supply module 29 , and the power switch 258 can be used to control the opening and closing of the power supply module 29 . In one embodiment, one of the first exterior trim panels 25 can also be provided with a power supply socket 254 electrically connected to the power switch 258, the power supply socket 254 is controlled by the power switch 258 and provides an external device ( not shown in the figure) to provide power to the external device.

In addition, in one embodiment, please refer to Fig. 2 to Fig. 4 again, in order to allow the dust storage bucket 14 to be suspended on the supporting plate 23, the cart body 20 has two The hooks 30 on one side of the bottom area 222 are used for the dust storage bucket 14 to be hooked thereon, and the distance 301 between the two hooks 30 is set corresponding to the barrel diameter 142 of the dust storage bucket 14 . In this way, the dust storage bucket 14 can be assembled with the two hooks 30 to hang on the support plate 23 . Moreover, in this embodiment, the two hooks 30 allow the dust storage barrel 14 to be placed in the space between the two hooks 30 in a horizontal manner, and then the dust storage barrel 14 is assembled with the two hooks 30, as shown in the When the dust storage bucket 14 is intended to be taken out from the cart body 20 , the dust storage bucket 14 can be easily dismounted from the cart body 20 only by lateral displacement relative to the two hooks 30 . On the other hand, in one embodiment, the trolley body 20 has at least one storage drawer 31 disposed in the bottom area 222, the storage drawer 31 is connected to the bearing plate 23 and arranged corresponding to the dust storage bucket 14, further , the storage drawer 31 can also be provided with at least one drawer handle 311 .

In addition to the foregoing embodiments, the present invention also provides the working cart 100 in another embodiment. The basic structure of the work cart 100 of the present embodiment is the same as that of the previous embodiment. The difference between the work cart 100 of the present embodiment and the work cart 100 of the previous embodiment is that The way that the ventilation motor 12 is arranged is different. However, in order to distinguish the two embodiments, the ventilation motor 17 in this embodiment will be marked with different symbols.

Referring back to FIG. 7 , in this embodiment, the ventilation motor 17 is not disposed on the support plate 23 facing the top region 221 , but is disposed on the bottom region 222 . Furthermore, and referring to FIG. 3 and FIG. 5 , in addition to the perforation 231 , the support plate 23 also has an air passage 232 communicating with the air pipe 13 , and the exhaust motor 17 is provided corresponding to the air passage 232 Thereby, the high-efficiency air particle filter 15 can be communicated with. When the trolley body 20 is in operation, the exhaust motor 17 is also affected to extract the dust airflow 70 to be filtered through the air inlet 111, and the dust airflow 70 to be filtered is transformed after the dust 80 is filtered out by the cyclone dust separation device 11. The dust-separated airflow 73, the dust-separated airflow 73 enters the exhaust motor 17 through the air pipe 13 and the air hole 232, and the dust-separated airflow 73 is pressurized after entering the exhaust motor 17, and finally It is transformed into the cooling airflow 75 and discharged from the air barrel 172 facing the electric motor 171 .

In addition, in this embodiment, the power supply module 29 is electrically connected with the ventilation motor 17 , and the power supply module 29 can be disposed on the top area 221 or the bottom area 222 . As a further example, the power supply module 29 can be disposed on a side of the support plate 23 facing the bottom area 222 . On the other hand, please refer to FIG. 7 again. In one embodiment, the cart body 20 not only has the first exterior panels 25 corresponding to the top region 221, but also has a plurality of corresponding bottom regions 222. The second exterior trim panel 32 . The second exterior trim panels 32 do not cover the dust storage bucket 14 but only cover the ventilation motor 17, so that the dust storage bucket 14 is exposed to the outside and is easy to take out. Furthermore, in one embodiment, at least one of the second exterior trim panels 32 or the working platform 24 is provided with a plurality of vent holes 321, and these vent holes 321 are used for the gas discharged by the suction motor 17 to flow out of the 20 outside the cart body. In addition, in this embodiment, the storage drawer 31 is also disposed on the bottom area 222 . Specifically, the position of the storage drawer 31 is below the air blowing motor 17 and separated from the air blowing motor 17 .

Claims (16)

1. A working cart with a built-in vacuum system, characterized in that it comprises: A dust suction system, comprising a cyclone dust separation device, a suction motor, an air pipe connecting the cyclone dust separation device and the suction motor, and a dust storage bucket; and A trolley body has a vehicle frame, an assembly space defined by the vehicle frame, a bearing plate arranged in the assembly space and connected to the vehicle frame, and a working platform located at the top of the vehicle frame. The plate divides the assembly space into a top area and a bottom area. The support plate has a perforation. The top area provides the cyclone dust separation device and the suction motor. A dust suction pipe connection seat connected to the dust pipe, a dust discharge outlet of the cyclone dust separation device is set corresponding to the perforation, the bottom area provides the dust storage bucket, and the dust storage bucket is suspended on the bearing plate facing the One side of the bottom area and can be taken out independently from the stroller body. 2 . The working cart with a built-in vacuum system as claimed in claim 1 , wherein the air duct is formed by a channel on the side of the supporting plate facing the top area. 3 . 3. The working trolley with a built-in dust suction system as claimed in claim 2, wherein the dust suction system comprises a power supply module disposed on the top area or the bottom area and at least electrically connected to the suction motor . 4 . The working trolley with built-in vacuum system as claimed in claim 1 , wherein the trolley body has a plurality of first exterior panels respectively corresponding to the top area. 5 . The working trolley with a built-in vacuum system as claimed in claim 4 , wherein at least one of the first exterior trim panels and the working platform is provided with a plurality of ventilation holes. 5 . 6 . The working cart with a built-in vacuum system as claimed in claim 5 , wherein one of the first exterior panels is provided with a power socket for plugging in an external device. 7 . 7. The working cart with a built-in vacuum system as claimed in claim 1, wherein the cart body has at least one storage drawer disposed in the bottom area. 8. The working cart with a built-in dust suction system as claimed in claim 1, wherein the dust suction system comprises a high-efficiency air particle filter set between the cyclone dust separation device and the suction motor , The filtration efficiency of the high-efficiency air particulate filter is more than 90%. 9. A working cart with a built-in vacuum system, characterized in that it comprises: A dust suction system, comprising a cyclone dust separation device, a suction motor, an air pipe connecting the cyclone dust separation device and the suction motor, and a dust storage bucket; and A trolley body has a vehicle frame, an assembly space defined by the vehicle frame, a bearing plate arranged in the assembly space and connected to the vehicle frame, and a working platform located at the top of the vehicle frame. The plate divides the assembly space into a top area and a bottom area. The supporting plate has an air hole communicating with the air pipe and a perforation. The top area is used for setting the cyclone dust separation device. The top area is provided with a A dust suction pipe connection seat connected to a dust suction pipe of the machine, a dust discharge outlet of the cyclone dust separation device is set corresponding to the perforation, the bottom area is provided for the ventilation motor and the dust storage bucket, the ventilation motor and the The dust storage buckets are respectively hung on the side of the supporting plate facing the bottom area, the exhaust motor corresponds to the air hole, and the dust storage bucket corresponds to the perforation and can be independently taken out from the cart body. 10. The working trolley with a built-in vacuum system as claimed in claim 9, wherein the support plate is provided with the air pipe on the side facing the top area, and the air pipe communicates with the exhaust motor and the air hole respectively . 11. The working trolley with a built-in vacuum system as claimed in claim 9, wherein the vacuum system comprises a power supply module disposed on the top area or the bottom area and at least electrically connected to the suction motor . 12. The working trolley with built-in vacuum system as claimed in claim 9, characterized in that, the trolley body has a plurality of first exterior trim panels respectively corresponding to the top area and a plurality of first exterior panels respectively corresponding to the bottom area. the second exterior trim panel. 13 . The working cart with a built-in vacuum system as claimed in claim 12 , wherein at least one of the second exterior panels and the working platform is provided with a plurality of ventilation holes. 14 . 14. The working trolley with a built-in vacuum system as claimed in claim 13, wherein one of the first exterior panels is provided with a power socket for plugging in an external device. 15. The working trolley with a built-in vacuum system as claimed in claim 9, wherein the trolley body has at least one storage drawer disposed on the bottom area and separated from the ventilation motor. 16. The working cart with built-in dust suction system as claimed in claim 9, characterized in that, the dust suction system comprises a high-efficiency air particle filter which communicates with the air pipe and is located in front of the suction motor, and the high-efficiency air The filtration efficiency of the particulate filter is over 90%.

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