Table top dust collection equipment with hidden air duct

Abstract

The utility model relates to table top dust collection equipment with a hidden air duct, which comprises a loading platform, a driving assembly and a dust collection assembly, the loading platform is used for placing glass, the dust collection assembly is positioned above the loading platform, the dust collection assembly comprises a cross beam, a dust accumulation piece, a dust collection air duct and a dust collection cover, the dust accumulation piece is arranged on the cross beam, and the cross beam is arranged on the loading platform. The dust collection cover faces the loading platform, the dust accumulation part is provided with a connecting hole located in the surface and a dust collection cavity located in the dust accumulation part, one end of the dust collection air channel is connected to the connecting hole, the other end of the dust collection air channel is connected with the dust collection cover, a containing groove is formed in the bottom of the cross beam, and the dust collection air channel is arranged in the containing groove and penetrates through the cross beam from the containing groove to be connected with the dust accumulation part. The driving assembly is arranged on the cross beam and can drive the dust collection assembly to move relative to the loading platform. According to the table top dust collection equipment with the hidden air duct, the hidden design enables the air duct to be connected more stably, and the air duct is not prone to falling off due to external operation or equipment movement.

Description

Technical Field

[0001] The utility model relates to the technical field of dust collection, in particular to a table dust collection device with a hidden air duct. Background Art

[0002] During the glass processing process, the cut glass is manually slid on a slitting table, leaving a large amount of glass powder and glass slag on the table. If not cleaned promptly, the glass powder will form clumps on the table's felt, and the glass slag will become embedded in the felt, both of which will scratch the glass surface and increase the number of defective products. The air ducts of conventional vacuum equipment are exposed outside the equipment and can easily fall off during operation or movement, causing glass debris to float in the air and endanger the health of operators. Utility Model Content

[0003] Based on this, the present application provides a countertop vacuum cleaner with a hidden air duct. The hidden design makes the connection of the air duct more stable and not easy to fall due to external operation or movement of the equipment.

[0004] A countertop vacuum cleaner with a hidden air duct, characterized in that it includes a loading platform, a driving assembly and a dust collection assembly, the loading platform is used to place glass, the dust collection assembly is located above the loading platform, the dust collection assembly includes a crossbeam, a dust collection piece, a dust collection duct and a dust collection hood, the dust collection piece is arranged on the crossbeam, the crossbeam is arranged on the loading platform, the dust collection hood faces the loading platform, the dust collection piece is provided with a connecting hole on the surface and a dust collecting chamber located inside, one end of the dust collection duct is connected to the connecting hole, and the other end of the dust collection duct is connected to the dust collection hood, a receiving groove is provided at the bottom of the crossbeam, the dust collection duct is arranged in the receiving groove, and passes through the crossbeam from the receiving groove to be connected with the dust collection piece, the driving assembly is provided on the crossbeam and can drive the dust collection assembly to move relative to the loading platform.

[0005] The above-mentioned countertop vacuuming device with a hidden air duct has a receiving groove at the bottom of the crossbeam, and the dust collection duct is arranged in the receiving groove. One end of the dust collection duct is connected to the connecting hole, and the other end of the dust collection duct is connected to the dust collection hood, so that the dust collection duct can be arranged in the dust collection component. The receiving groove passes through the crossbeam and is connected to the dust collection part, so that foreign matter sucked into the dust collection duct can enter the dust collection part. The driving component can drive the crossbeam to drive the dust collection component to move relative to the loading platform to realize the automated vacuuming and cleaning of the countertop. The dust collection duct is arranged inside the vacuuming device, and the dust collection duct is shorter, which can improve the utilization rate of the suction force of the dust collection component and improve the dust collection effect. The hidden design makes the connection of the duct more stable and not easy to fall due to external operation or movement of the equipment.

[0006] In one embodiment, the dust collection assembly further includes a fan, and the fan is connected to the dust collecting chamber.

[0007] In one embodiment, a mounting hole communicating with the dust collecting chamber is provided on the surface of the dust collecting piece, and the fan is correspondingly arranged on the dust collecting piece through the mounting hole.

[0008] In one embodiment, there are multiple dust suction ducts and multiple mounting holes, one end of each of the multiple dust suction ducts is connected to the dust collection piece through the mounting holes, and the other end of each of the multiple dust suction ducts is connected to the dust collection hood, and the multiple dust suction ducts are arranged along the length direction of the beam.

[0009] In one embodiment, each of the dust collection ducts is connected to a dust collection hood, and a plurality of the dust collection hoods are arranged along the length direction of the beam, and the dust collection hoods are located on the same straight line.

[0010] In one embodiment, the dust suction duct is an elastic hose.

[0011] In one embodiment, the driving assembly includes a lifting mechanism, which is located in the accommodating groove, the lifting mechanism connecting the beam and the dust hood, and the lifting mechanism is used to adjust the height of the dust hood relative to the loading platform.

[0012] In one embodiment, the driving assembly includes a driving wheel, the lifting mechanism is connected between the crossbeam and the driving wheel, and the lifting mechanism is used to synchronously adjust the height of the dust hood and the driving wheel relative to the loading platform.

[0013] In one embodiment, the driving assembly further includes a motor and a transmission assembly, wherein the motor is disposed on the crossbeam, and the transmission assembly connects the motor and the driving wheel, and the motor is used to drive the transmission assembly to drive the driving wheel to move relative to the loading platform.

[0014] In one embodiment, the loading platform is provided with a slide rail, the crossbeam is slidably provided on the slide rail, and the driving assembly acts to drive the crossbeam to slide along the slide rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0016] Figure 1 This is a schematic structural diagram of a countertop vacuum cleaner with a hidden air duct according to one embodiment;

[0017] Figure 2 This is a schematic structural diagram of a countertop vacuum cleaner with a hidden air duct according to one embodiment;

[0018] Figure 3 Schematic diagram of a partial structure of a tabletop vacuum cleaner with a hidden air duct according to an embodiment

[0019] Figure 4 A schematic diagram of a partial structure of a countertop vacuum cleaner with a hidden air duct according to an embodiment;

[0020] Figure 5 A schematic diagram of a partial structure of a countertop vacuum cleaner with a hidden air duct according to an embodiment;

[0021] Figure 6 A schematic structural diagram of a dust collecting component of a tabletop vacuum cleaner with a hidden air duct according to one embodiment;

[0022] Figure 7 A schematic diagram of a partial structure of a countertop vacuum cleaner with a hidden air duct according to an embodiment;

[0023] Figure 8 sectional view AA of a countertop vacuum cleaner with a hidden air duct according to one embodiment.

[0024] Reference numerals: tabletop vacuum cleaner 10 with hidden air duct; glass 100; loading platform 20; slide rail 21; driving assembly 30; lifting mechanism 31; driving wheel 32; dust collection assembly 40; crossbeam 41; accommodating groove 410; fan 42; dust collecting member 43; connecting hole 431; dust collecting chamber 432; mounting hole 433; dust collection hood 44; dust collection air duct 45 DETAILED DESCRIPTION

[0025] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0026] In the description of this utility model, "above," "below," and "within" are understood to be exclusive of the number indicated, while "above," "below," and "within" are understood to be inclusive of the number indicated. The use of "first" and "second" is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, or implicitly specifying the number or order of the technical features indicated.

[0027] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0028] In this utility model, unless otherwise expressly defined, terms such as "disposed," "installed," and "connected" should be interpreted broadly. For example, they may refer to direct connection or indirect connection through an intermediate medium; fixed connection or detachable connection or integral molding; mechanical connection; internal communication between two components or interaction between two components. Those skilled in the art can reasonably determine the specific meanings of these terms in this utility model based on the specific content of the technical solution.

[0029] During the glass deep processing process, the cut glass is manually slit on a slitting table, leaving a large amount of glass powder and glass slag on the table. If not cleaned in time, the glass powder will form lumps on the felt of the slitting table, and the glass slag will be embedded in the felt, both of which will cause surface scratches on the glass and increase the number of defective products. Factories generally require workers to clean the table regularly during slitting operations. Commonly used industrial vacuum cleaners require manual operation, and the vacuum cleaner is moved back and forth on the work surface multiple times to collect dust. Due to the long vacuum cleaner pipe, the vacuuming effect is usually not good; the air duct of general vacuum equipment is exposed outside the equipment and is easily detached during operation or movement, causing glass debris to float in the air, endangering the health of the operator; in addition, the suction power of the vacuum cleaner in the existing technology is limited. When the dust collection air duct is placed externally, the dust collection air duct pipe is usually longer, affecting the dust collection effect.

[0030] See Figures 1 to 5In some embodiments, a countertop vacuum cleaner 10 with a hidden air duct includes a loading platform 20, a drive assembly 30, and a dust collection assembly 40. The loading platform 20 is used to place glass 100, which can be transported to the loading platform 20 via the conveyor belt in the previous step. The dust collection assembly 40 is located above the loading platform 20 and can be used to clean foreign matter on the glass 100 placed on the loading platform 20. Specifically, the dust collection assembly 40 includes a crossbeam 41, a dust collection member 43, a dust collection air duct 45, and a dust collection hood 44. The dust collection member 43 is provided on the crossbeam 41 and is used to accommodate foreign matter sucked into the dust collection hood 44. The crossbeam 41 is provided on the loading platform 20 and can serve as a connection and support fixed position. The dust collection hood 44 faces the loading platform 20 to vacuum foreign matter on the glass 100, thereby achieving dust cleaning of the glass 100. The dust suction duct 45 is used to transport the dust-laden air. The dust suction duct 45 connects the dust hood 44 and the fan 42 to transport the dust-laden air. During the dust suction process, the dust hood 44 controls the dust source by exhausting air, while the dust suction duct 45 is responsible for transporting the dust-laden air to the dust collecting part 43. The dust collecting part 43 separates the dust particles from the dust-laden airflow and collects them, thereby completing the cleaning work. In this process, the fan 42 serves as a power device to ensure that the dust-laden air can be discharged from the dust hood 44 through the dust suction duct 45 and the dust collecting part 43 into the atmosphere. Specifically, the dust collecting part 43 is provided with a connection hole 431 on the surface and a dust collecting chamber 432 inside. One end of the dust suction duct 45 is connected to the connection hole 431, and is connected to the dust collecting part 43 through the connection hole 431. The other end of the dust suction duct 45 is connected to the dust hood 44. The dust collection duct 45 is placed inside the dust collection device. Compared with the air duct of the general dust collection device exposed outside the device, the design of the dust collection duct 45 provided in the present application is not easy to fall off during operation or movement. At the same time, since the dust collection duct 45 is hidden in the dust collection device, the dust collection duct exposed outside the device is longer than the dust collection duct 45, the dust collection time is longer, the dust collection efficiency is low, and it is not easy to maintain. The hidden design of the countertop dust collection device 10 with hidden air duct provided in the present application makes the connection of the air duct more stable and not easy to fall off due to external operation or equipment movement.

[0031] See Figure 5 、 Figure 6 and Figure 7In some embodiments, a receiving groove 410 is defined at the bottom of the crossbeam 41, a dust collection member 43 is positioned at the top of the crossbeam 41, and a dust collection duct 45 is disposed within the receiving groove 410. The dust collection duct 45 extends through the crossbeam 41 from within the receiving groove 410 and then connects to the crossbeam 41 through a connecting hole 431 at the lower end of the dust collection member 43. This concealed dust collection duct 45 can save installation space. In some embodiments, a mounting hole 433 is defined on the surface of the dust collection member 43, communicating with the dust collection chamber 432. The mounting hole 433 is used to mount the fan 42, which is correspondingly mounted on the dust collection member 43 through the mounting hole 433. In some embodiments, the mounting hole 433 can be provided at the upper end of the surface of the dust collection piece 43. At this time, the dust collection piece 43 can be used to install the fan 42 while also supporting the fan 42. The fans 42 are provided on the dust collection piece 43 through the mounting holes 433 one by one, and the connecting hole 431 is located on the opposite side of the mounting hole 433 to facilitate the installation of the hidden dust suction duct 45.

[0032] See Figures 3 to 8 In some embodiments, the dust suction duct 45 is an elastic hose. For example, the dust suction duct 45 can be a polyurethane plastic reinforced spiral hose. The polyurethane plastic reinforced spiral hose is made of polyurethane and high-strength plastic reinforcement. It has the characteristics of light weight, softness, good elasticity, corrosion resistance, hydrolysis resistance, high transparency, non-toxicity and odorlessness, small bending radius, and good negative pressure resistance. It can maintain its original shape under suction and maintain good flexibility even at extremely low temperatures. It has ultra-high strength and an extremely long service life. The polyurethane plastic reinforced spiral hose is mainly used for ventilation and dust collection. It is suitable for high-speed flow of highly abrasive particles, gravel, crushed stone, fine particles, useless glass, dust and chips, as well as gas and liquid environments.

[0033] See Figure 3The dust collection duct 45 is connected to the dust collection hood 44. In some embodiments, one dust collection duct 45 is connected to one dust collection hood 44. The dust collection equipment can be provided with multiple dust collection ducts 45 and multiple dust collection hoods 44. The multiple dust collection ducts 45 are arranged along the length direction of the crossbeam 41 so that the multiple dust collection ducts 45 do not interfere with each other, thereby preventing the phenomenon of pipe crossing. There are multiple mounting holes 433. The dust collection ducts 45 and the dust collection hoods 44 correspond one to one. One end of the multiple dust collection ducts 45 is connected to the dust collection piece 43 through the mounting holes 433, and the other end of the multiple dust collection ducts 45 is connected to the dust collection hood 44. In some embodiments, the multiple dust collection ducts 45 and the multiple dust collection hoods 44 can be arranged symmetrically, so that the multiple dust collection ducts 45 do not interfere with each other, thereby ensuring the dust collection effect of the dust collection ducts 45. When multiple dust hoods 44 are provided, each dust hood 44 is located on the same straight line, and the length of the opening surface of the multiple dust hoods 44 covers the length of the glass 100 along the direction of the crossbeam 41, so as to achieve more comprehensive dust collection and cleaning of the surface of the glass 100. The outer shell of the dust hood 44 can be made of plastic, which has excellent physical properties, such as good electrical properties, wear resistance, dimensional stability, chemical resistance and surface gloss, and is easy to process and form. In some embodiments, the dust collection piece 43 is connected to the dust collection duct 45, and the dust collection piece 43 can be used to absorb foreign matter sucked in by the dust collection hood 44, and has the function of dust storage. The dust collection piece 43 can be provided with a dual-channel cyclone suction, which sucks away the dirt sucked in by the dust collection hood 44 through the dust collection duct 45 and stores it in a sealed dust bag, thereby realizing the convenience of cleaning and dust storage of the dust collection component 40. The edge of the dust hood 44 close to the glass 100 is parallel to the loading platform 20, so that the dust hood 44 can fully vacuum and clean foreign matter on the surface of the glass 100, thereby improving the vacuuming and cleaning effect of the tabletop vacuuming device 10 with hidden air duct.

[0034] See Figures 1 to 5The fan 42 is used to provide wind for the dust collection hood 44 so that foreign matter on the surface of the glass 100, such as glass slag and broken glass, is absorbed by the dust collection hood 44 into the dust collection part 43. In some embodiments, the fan 42 adopts a DC negative pressure fan 42. The working principle of the DC negative pressure fan 42 is based on negative pressure ventilation. By generating a vacuum negative pressure, a pressure difference is formed to make the air flow. This fan 42 is used in the dust collection component 40. It mainly generates negative pressure to suck air containing foreign matter on the glass 100 into the interior of the device. After filtering through the filter, the dust is separated and collected, and the purified air is finally discharged. This process not only effectively cleans the dust in the air, but also improves the air quality, ensuring the cleanliness and safety of the working environment. At the same time, the DC negative pressure fan 42 has the characteristics of low investment cost, large air volume, low noise, low energy consumption, stable operation, long life, and high efficiency. The crossbeam 41 is arranged on the loading platform 20, and the driving component 30 is arranged on the crossbeam 41 and can drive the dust collection component 40 to move relative to the loading platform 20 to realize automatic dust collection and cleaning of the table. Since the suction force of the fan 42 is limited, the hidden dust collection duct 45 design reduces the length of the dust collection duct 45, which can improve the utilization rate of wind force.

[0035] See Figure 6 and Figure 7In some embodiments, the drive assembly 30 includes a drive wheel 32, which can drive the dust collection assembly 40 to move along the glass 100. The drive assembly 30 also includes a motor and a transmission assembly. The motor is mounted on the crossbeam 41, and the transmission assembly connects the motor and the drive wheel 32. The transmission assembly can be a chain, a synchronous belt, a round belt, a V-belt, or other transmission assembly that can implement this embodiment. The motor drives the transmission assembly to drive the drive wheel 32 to move on the glass 100. Specifically, for example, the transmission assembly is a chain, and the motor drives the chain, which can drive the drive wheel 32 to rotate. When the drive wheel 32 moves on the glass 100, it can drive the dust collection assembly 40 to move on the glass 100, thereby realizing the automatic dust collection and cleaning of the countertop by the countertop vacuuming device 10 with a hidden air duct. In some embodiments, the drive assembly 30 includes a lifting mechanism 31, which can lift and lower the dust collection assembly 40 relative to the loading platform. Specifically, the lifting mechanism 31 is connected between the crossbeam 41 and the drive wheel 32. The lifting mechanism 31 is used to synchronously adjust the height of the dust collection hood 44 and the drive wheel 32 relative to the loading platform 20. In some embodiments, the lifting mechanism 31 can be a cylinder, which can drive the height of the crossbeam 41, the dust collection hood 44, and the drive wheel 32 relative to the glass 100. In some embodiments, the loading platform 20 is provided with a slide rail 21, and the crossbeam 41 is slidably mounted on the slide rail 21. The drive assembly 30 acts to drive the crossbeam 41 to slide along the slide rail 21. Specifically, when the countertop vacuum cleaner 10 with a hidden air duct is in a standby state, the vacuum assembly 40 of the countertop vacuum cleaner 10 with a hidden air duct is located above the supporting platform, and the vacuum assembly 40 and the driving wheel 32 are at a certain distance from the glass 100. At this time, other operations can be performed on the glass 100. Since the vacuum hood 44 is at a certain distance from the surface of the glass 100, the vacuum assembly 40 does not affect other operations on the glass 100. When foreign matter such as glass powder and glass slag that needs to be cleaned is generated during the processing of the glass 100, the countertop vacuum cleaner 10 with a hidden air duct begins the vacuum cleaning operation. The dust collection assembly 40 includes a crossbeam 41, a dust collection member 43, a dust collection duct 45, a dust collection hood 44, and a fan 42. The crossbeam 41 serves to connect and support the fixed position. The fan 42 is used to provide wind power to the dust collection hood 44, so that foreign matter on the surface of the glass 100, such as glass slag and glass fragments, is absorbed by the dust collection hood 44 and is absorbed into the dust collection member 43. The dust collection hood 44 faces the loading platform 20 to clean the foreign matter on the glass 100, thereby completing the dust collection and cleaning of the glass 100. The crossbeam 41, dust collection hood 44, and drive wheel 32 can be driven downward by the lifting mechanism 31, and the crossbeam 41, dust collection hood 44, and drive wheel 32 descend together.During the lifting and lowering process of the dust collection component 40, the dust collection duct 45 can be lifted and lowered together with the dust collection hood 44. The dust collection duct 45 is arranged in the accommodating groove 410 in the beam 41. In some embodiments, the dust collection duct 45 can be retracted and the lifting and lowering of the dust collection hood 44 will not affect the connection between the dust collection duct 45 and the dust collection hood 44 and the fan 42. When the driving wheel 32 abuts against the surface of the glass 100, the position of the dust hood 44 can be fixed; the driving assembly 30 can drive the driving wheel 32 to rotate on the glass 100. When the driving wheel 32 abuts against the surface of the glass 100 in the above process, the driving wheel 32 can rotate on the glass 100 under the drive of the driving assembly 30. The rotation of the driving wheel 32 on the glass 100 can drive the crossbeam 41 to move along the slide rails 21 on both sides of the loading platform 20, and the dust hood 44 of the dust collection assembly 40 also moves along the direction of the slide rails 21. The dust collection hood 44 of the dust collection assembly 40 can vacuum and clean the surface of the glass 100. Furthermore, after the table vacuuming device 10 with a hidden air duct completes a vacuuming and cleaning work, the dust collection assembly 40 can be raised by the lifting mechanism 31 and restored to its initial position, that is, there is a certain distance between the driving wheel 32 and the glass 100. When the surface of the glass 100 needs to be vacuumed and cleaned next time, the above steps are repeated. As shown in the above working process, the hidden design makes the connection of the dust suction duct 45 more stable and not easy to fall off due to external operation or equipment movement.

[0036] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0037] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A tabletop vacuum cleaner with a hidden air duct, characterized in that: It includes a loading platform, a driving assembly and a dust collection assembly, the loading platform is used to place glass, the dust collection assembly is located above the loading platform, the dust collection assembly includes a crossbeam, a dust collection piece, a dust collection duct and a dust collection hood, the dust collection piece is arranged on the crossbeam, the crossbeam is arranged on the loading platform, the dust collection hood faces the loading platform, the dust collection piece is provided with a connecting hole on the surface and a dust collecting chamber located inside, one end of the dust collection duct is connected to the connecting hole, and the other end of the dust collection duct is connected to the dust collection hood, a receiving groove is provided at the bottom of the crossbeam, the dust collection duct is arranged in the receiving groove, and passes through the crossbeam from the receiving groove to connect with the dust collection piece, the driving assembly is provided on the crossbeam and can drive the dust collection assembly to move relative to the loading platform.

2. The tabletop vacuum cleaner with hidden air duct according to claim 1, characterized in that: The dust collection assembly further includes a fan, which is connected to the dust collecting chamber.

3. The tabletop vacuum cleaner with hidden air duct according to claim 2, characterized in that: A mounting hole communicating with the dust collecting chamber is provided on the surface of the dust collecting piece, and the fan is correspondingly arranged on the dust collecting piece through the mounting hole.

4. The tabletop vacuum cleaner with hidden air duct according to claim 3, characterized in that: There are multiple dust suction ducts and multiple mounting holes. One end of each of the dust suction ducts is connected to the dust collection piece through the mounting holes one by one, and the other end of each of the dust suction ducts is connected to the dust collection hood one by one. The multiple dust suction ducts are arranged along the length direction of the beam.

5. The tabletop vacuum cleaner with hidden air duct according to claim 3, characterized in that: Each of the dust collection ducts is connected to a dust collection hood, and a plurality of the dust collection hoods are arranged along the length direction of the beam, and the dust collection hoods are located on the same straight line.

6. The tabletop vacuum cleaner with hidden air duct according to claim 1, characterized in that: The dust suction air duct is an elastic hose.

7. The tabletop vacuum cleaner with hidden air duct according to claim 6, characterized in that: The driving assembly includes a lifting mechanism, which is located in the accommodating groove. The lifting mechanism connects the crossbeam and the dust hood, and is used to adjust the height of the dust hood relative to the loading platform.

8. The tabletop vacuum cleaner with hidden air duct according to claim 7, characterized in that: The driving assembly includes a driving wheel, and the lifting mechanism is connected between the crossbeam and the driving wheel. The lifting mechanism is used to synchronously adjust the height of the dust hood and the driving wheel relative to the loading platform.

9. The tabletop vacuum cleaner with hidden air duct according to claim 8, characterized in that: The driving assembly further includes a motor and a transmission assembly. The motor is disposed on the crossbeam. The transmission assembly connects the motor and the driving wheel. The motor is used to drive the transmission assembly to drive the driving wheel to move relative to the loading platform.

10. The tabletop vacuum cleaner with hidden air duct according to claim 1, characterized in that: The loading platform is provided with a slide rail, the crossbeam is slidably arranged on the slide rail, and the driving component acts to drive the crossbeam to slide along the slide rail.

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