Fabric machine facilitating air outlet of negative pressure fan
By designing the air passage and sealing structure in the fabric machine, the problem of poor exhaust of negative pressure fans is solved, the extraction efficiency and wastewater collection effect of the wastewater tank are improved, and vibration noise is reduced.
Patent Information
- Application Number
- CN202422378610.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-29
AI Technical Summary
When the negative pressure fan of existing fabric machines extracts the air of the wastewater tank, the exhaust effect is poor, resulting in low pumping efficiency and no effective air outlet structure, which affects the wastewater collection effect of the wastewater tank.
A structure including a housing assembly, a negative pressure fan assembly and a cover is designed. Through the connection of the air outlet passage, the air guide passage and the air inlet passage, it ensures that air can be discharged from the housing smoothly from the negative pressure fan assembly, and through the arrangement of the rubber ring and the sealing ring, the sealing property is improved and the vibration noise is reduced.
The pumping efficiency of the negative pressure fan is improved, the negative pressure effect of the wastewater tank and the wastewater collection efficiency are enhanced, and the vibration noise is eliminated, ensuring smooth air discharge and avoiding air leakage.
Smart Images
Figure CN223169661U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fabric machines, and more specifically, to a fabric machine facilitating the air outlet of a negative pressure fan. Background Art
[0002] A fabric machine is a device for surface cleaning of textiles. Currently, fabric machines on the market mainly include a housing, a water pump, an air pump, a steam generating device, a clean water tank, a waste water tank, a negative pressure fan, and a cleaning head. The water pump, the air pump, the steam generating device, and the negative pressure fan are all installed inside the housing. The clean water tank and the waste water tank are connected to the upper part of the housing. The steam generating device is connected to the water pump and the air pump. The water pump is connected to the clean water tank. The negative pressure fan is connected to the waste water tank. The cleaning head is connected to the clean water tank and the waste water tank through pipelines. When the fabric machine is working, the water pump can pump the water in the clean water tank to the steam generating device, the air pump can transport compressed air to the steam generating device, the steam generating device can transport the steam to the cleaning head through pipelines, and the steam ejected from the cleaning head can clean the surface of the textiles. At the same time, when the negative pressure fan is working, it can create negative pressure in the waste water tank, and the steam or liquid water after cleaning the surface of the textiles can be sucked into the waste water tank. However, in the existing fabric machine structure, after the negative pressure fan extracts the air in the waste water tank, due to the lack of a reliable air outlet structure on the housing of the fabric machine, the air discharged by the negative pressure fan will be blocked inside the housing, that is, the exhaust effect of the negative pressure fan is poor, which will also affect the air extraction efficiency of the negative pressure fan for the waste water tank. Summary of the Invention
[0003] The technical problem to be solved by the utility model is to provide a fabric machine facilitating the air outlet of a negative pressure fan, which can enable the negative pressure fan assembly to smoothly extract the air in the waste water tank and discharge the air outside the housing assembly.
[0004] The utility model provides a fabric machine facilitating the air outlet of a negative pressure fan, including a housing assembly and a negative pressure fan assembly. The fabric machine further includes a cover shell. An air outlet channel is arranged inside the housing assembly, and an air outlet hole group communicated with the air outlet channel is arranged on the side wall of the housing assembly. A wind guiding channel is arranged inside the housing assembly. The lower end of the negative pressure fan assembly is inserted into the wind guiding channel. The cover shell covers the outside of the negative pressure fan assembly and is used to press the negative pressure fan assembly on the housing assembly. The outer edge of the lower end of the cover shell is fixed to the housing assembly located at the outer edge of the wind guiding channel. The air outlet channel is communicated with one side of the wind guiding channel and is located on one side of the air outlet of the negative pressure fan assembly. An air inlet channel is arranged inside the housing assembly. One end of the air inlet channel extends to the bottom of the waste water tank in the fabric machine and is communicated with the air extraction port of the waste water tank, and the other end of the air inlet channel extends to the bottom of the wind guiding channel and is vertically corresponding to the air inlet of the negative pressure fan assembly.
[0005] After adopting the above structure, when the negative pressure fan assembly works, the negative pressure fan assembly can extract the air in the wastewater tank through the air guide channel and the air inlet channel. After the air enters the negative pressure fan assembly, it can be discharged outside the housing assembly through the air outlet channel and the air outlet hole group in sequence. Thus, the negative pressure fan assembly can smoothly extract the air in the wastewater tank and discharge the air outside the housing assembly, that is, it can avoid the air being blocked inside the housing assembly, and then can improve the air extraction efficiency of the negative pressure fan assembly for the wastewater tank, and can also improve the negative pressure effect in the wastewater tank, that is, it can improve the collection effect and efficiency of the wastewater in the wastewater tank.
[0006] In a possible implementation manner, an annular step is provided at the upper end of the negative pressure fan assembly, and a rubber ring is embedded on the annular step. An annular groove is provided on the inner top of the housing cover, and the outer edge of the rubber ring is embedded in the annular groove. After adopting this structure, under the action of the rubber ring, since the rubber ring is embedded on the annular step and the outer edge of the rubber ring is embedded in the annular groove, the housing cover can be flexibly pressed against the negative pressure fan assembly. Thus, when the negative pressure fan assembly works, the rubber ring can absorb the vibration generated when the negative pressure fan assembly works, and then can eliminate the vibration noise when the negative pressure fan works.
[0007] In a possible implementation manner, a sealing ring is embedded between the lower end of the negative pressure fan assembly and the inner bottom of the air guide channel. The sealing ring is located outside the circumferential direction of the other end of the air inlet channel and outside the circumferential direction of the air inlet of the negative pressure fan assembly. The lower end face of the sealing ring is in close contact and sealed with the inner bottom of the air guide channel, and the upper end face of the sealing ring is in close contact and sealed with the lower end face of the negative pressure fan assembly. Through the setting of the sealing ring, since the lower end face of the sealing ring is in close contact and sealed with the inner bottom of the air guide channel, and the upper end face of the sealing ring is in close contact and sealed with the lower end face of the negative pressure fan assembly, the situation of air leakage between the lower end of the negative pressure fan assembly and the inner bottom of the air guide channel can be avoided, that is, the negative pressure fan assembly can more reliably extract the air in the wastewater tank through the air inlet channel.
[0008] In a possible implementation manner, a socket part is coaxially arranged at the lower end of the sealing ring, and a plug part coaxial with the socket part is arranged on the inner bottom of the air guide channel. The socket part and the plug part are socket-connected and circumferentially sealed. After adopting this structure, after the socket part and the plug part are socket-connected, the circumferential sealing effect between the sealing ring and the inner bottom of the air guide channel can be further improved to further avoid the situation of air leakage between the sealing ring and the other end of the air inlet channel. Description of the Drawings
[0009] Figure 1 It is a three-dimensional structural schematic diagram of a fabric machine;
[0010] Figure 2It is a schematic perspective view of the partial decomposition structure of a fabric machine;
[0011] Figure 3 It is the first schematic perspective view after the cover shell and the housing assembly are disassembled;
[0012] Figure 4 It is the second schematic perspective view after the cover shell and the housing assembly are disassembled;
[0013] Figure 5 It is the schematic perspective view after the negative pressure fan assembly and the housing assembly are disassembled;
[0014] Figure 6 It is the schematic perspective view after the negative pressure fan assembly and the sealing ring are disassembled. Specific embodiments
[0015] First of all, those skilled in the art should understand that these embodiments are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments according to needs to adapt to specific application scenarios.
[0016] In the description of the embodiments of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific situations.
[0017] In the embodiments of the present application, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.
[0018] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0019] [[ID=3,3]]See Figures 1-6As shown in the figure, an embodiment of the present application discloses a fabric machine facilitating the air outlet of a negative pressure fan, which includes a housing assembly 1 and a negative pressure fan assembly 2. The fabric machine further includes a cover 3. An air outlet channel 11 is provided inside the housing assembly 1, and an air outlet hole group 12 communicating with the air outlet channel 11 is provided on the side wall of the housing assembly 1. A wind guiding channel 13 is provided inside the housing assembly 1. The lower end of the negative pressure fan assembly 2 is inserted into the wind guiding channel 13. The cover 3 covers the outside of the negative pressure fan assembly 2 and is used to press the negative pressure fan assembly 2 against the housing assembly 1. The outer edge of the lower end of the cover 3 is fixed to the housing assembly 1 located at the outer edge of the wind guiding channel 13. The air outlet channel 11 communicates with one side of the wind guiding channel 13 and the air outlet channel 11 is located on one side of the air outlet of the negative pressure fan assembly 2. An air inlet channel 14 is provided inside the housing assembly 1. One end of the air inlet channel 14 extends to the bottom of the wastewater tank 4 in the fabric machine and communicates with the air extraction port of the wastewater tank 4. The other end of the air inlet channel 14 extends to the bottom of the wind guiding channel 13 and is vertically corresponding to the air inlet of the negative pressure fan assembly 2.
[0020] A circular step 21 is provided at the upper end of the negative pressure fan assembly 2, and a rubber ring 22 is embedded on the circular step 21. A circular groove 31 is provided on the inner top of the cover 3, and the outer edge of the rubber ring 22 is embedded in the circular groove 31. By adopting this structure, under the action of the rubber ring, since the rubber ring is embedded on the circular step and the outer edge of the rubber ring is embedded in the circular groove, the cover can be made to flexibly press the negative pressure fan assembly. Thus, when the negative pressure fan assembly works, the rubber ring can absorb the vibration generated during the operation of the negative pressure fan assembly, and further can eliminate the vibration noise during the operation of the negative pressure fan.
[0021] A sealing ring 5 is embedded between the lower end of the negative pressure fan assembly 2 and the inner bottom of the wind guiding channel 13. The sealing ring 5 is located outside the circumferential direction of the other end of the air inlet channel 14 and outside the circumferential direction of the air inlet of the negative pressure fan assembly 2. The lower end surface of the sealing ring 5 is tightly sealed with the inner bottom of the wind guiding channel 13, and the upper end surface of the sealing ring 5 is tightly sealed with the lower end surface of the negative pressure fan assembly 2. By providing the sealing ring, since the lower end surface of the sealing ring is tightly sealed with the inner bottom of the wind guiding channel and the upper end surface of the sealing ring is tightly sealed with the lower end surface of the negative pressure fan assembly, the situation of air leakage between the lower end of the negative pressure fan assembly and the inner bottom of the wind guiding channel can be avoided, that is, the negative pressure fan assembly can more reliably extract the air in the wastewater tank through the air inlet channel.
[0022] A socket part 51 is coaxially arranged at the lower end of the sealing ring 5, and a plug part 15 coaxial with the socket part 51 is arranged on the inner bottom of the air guiding channel 13. The socket part 51 and the plug part 15 are socket-connected and sealed circumferentially. After adopting this structure, after the socket part 51 and the plug part 15 are socket-connected, the circumferential sealing effect between the sealing ring and the inner bottom of the air guiding channel can be further improved, so as to further avoid air leakage between the sealing ring and the other end of the air inlet channel.
[0023] The above is only the specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed in the present application should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A fabric machine facilitating the air outlet of a negative pressure fan, comprising a housing assembly (1) and a negative pressure fan assembly (2), characterized in that: The fabric machine further includes a housing (3); an air outlet channel (11) is provided inside the housing assembly (1), and an air outlet hole group (12) communicating with the air outlet channel (11) is provided on the side wall of the housing assembly (1); a wind guiding channel (13) is provided inside the housing assembly (1), the lower end of the negative pressure fan assembly (2) is inserted into the wind guiding channel (13), the housing (3) covers the outside of the negative pressure fan assembly (2) and is used to press the negative pressure fan assembly (2) against the housing assembly (1), the outer edge of the lower end of the housing (3) is fixed to the housing assembly (1) located at the outer edge of the wind guiding channel (13), the air outlet channel (11) communicates with one side of the wind guiding channel (13) and the air outlet channel (11) is located on one side of the air outlet of the negative pressure fan assembly (2), an air inlet channel (14) is provided inside the housing assembly (1), one end of the air inlet channel (14) extends to the bottom of the wastewater tank (4) in the fabric machine and communicates with the air extraction port of the wastewater tank (4), and the other end of the air inlet channel (14) extends to the bottom of the wind guiding channel (13) and is vertically corresponding to the air inlet of the negative pressure fan assembly (2).
2. The fabric machine facilitating the air outlet of the negative pressure fan according to claim 1, characterized in that: An annular step (21) is provided at the upper end of the negative pressure fan assembly (2), a rubber ring (22) is embedded on the annular step (21), an annular groove (31) is provided on the inner top of the housing (3), and the outer edge of the rubber ring (22) is embedded in the annular groove (31).
3. The fabric machine facilitating the air outlet of the negative pressure fan according to claim 1 or 2, characterized in that: A sealing ring (5) is embedded between the lower end of the negative pressure fan assembly (2) and the inner bottom of the wind guiding channel (13), the sealing ring (5) is located outside the circumferential direction of the other end of the air inlet channel (14) and outside the circumferential direction of the air inlet of the negative pressure fan assembly (2), the lower end surface of the sealing ring (5) is in close contact and sealed with the inner bottom of the wind guiding channel (13), and the upper end surface of the sealing ring (5) is in close contact and sealed with the lower end surface of the negative pressure fan assembly (2).
4. The fabric machine facilitating the air outlet of the negative pressure fan according to claim 3, characterized in that: A socket part (51) is coaxially provided at the lower end of the sealing ring (5), a plug part (15) coaxial with the socket part (51) is provided on the inner bottom of the wind guiding channel (13), and the socket part (51) is socket-connected with the plug part (15) and is circumferentially sealed.