CN219035068U - Air inlet structure of negative pressure fan and surface adsorption mobile robot - Google Patents
Air inlet structure of negative pressure fan and surface adsorption mobile robot Download PDFInfo
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- CN219035068U CN219035068U CN202223489292.9U CN202223489292U CN219035068U CN 219035068 U CN219035068 U CN 219035068U CN 202223489292 U CN202223489292 U CN 202223489292U CN 219035068 U CN219035068 U CN 219035068U
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- negative pressure
- upper cover
- pressure fan
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 15
- 238000009826 distribution Methods 0.000 claims abstract description 88
- 238000007789 sealing Methods 0.000 claims description 32
- 238000009434 installation Methods 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 239000013585 weight reducing agent Substances 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The utility model provides an air inlet structure of a negative pressure fan and a surface adsorption mobile robot, and belongs to the technical field of mobile robots. The air inlet structure of the negative pressure fan comprises an air distribution upper cover which is a cylindrical structure with an upper opening and a lower opening; the inside upper end of gas distribution upper cover is provided with mounting structure, mounting structure is connected with the air inlet end of negative pressure fan, the lower extreme of gas distribution upper cover is connected with the movable bottom plate, the gas distribution upper cover with the movable bottom plate encloses into a gas distribution chamber, be provided with on the outer wall of gas distribution upper cover with the communicating gas distribution interface of gas distribution chamber. The utility model simplifies the structure of the air distribution cavity, thereby being beneficial to the weight reduction of the whole structure of the robot.
Description
Technical Field
The utility model relates to the technical field of mobile robots, in particular to an air inlet structure of a negative pressure fan and a surface adsorption mobile robot.
Background
At present, a negative pressure fan is generally adopted to generate negative pressure for a surface adsorption robot, so that the robot can adsorb on a walking surface, an air inlet structure of a conventional negative pressure fan is heavy, the light weight of the machine cannot be realized, and the installation is inconvenient.
Disclosure of Invention
The utility model provides an air inlet structure of a negative pressure fan and a surface adsorption mobile robot comprising the air inlet structure, which are used for solving the defects that the air inlet structure of the negative pressure fan is heavy and cannot realize the light weight of the machine in the prior art, and simplifying the structure of an air distribution cavity, thereby being beneficial to the light weight of the whole structure of the robot.
The utility model provides an air inlet structure of a negative pressure fan, which comprises:
the air distribution upper cover is in a cylindrical structure with an upper opening and a lower opening; the inside upper end of gas distribution upper cover is provided with mounting structure, mounting structure is connected with the air inlet end of negative pressure fan, the lower extreme of gas distribution upper cover is connected with the movable bottom plate, the gas distribution upper cover with the movable bottom plate encloses into a gas distribution chamber, be provided with on the outer wall of gas distribution upper cover with the communicating gas distribution interface of gas distribution chamber.
According to the air inlet structure of the negative pressure fan, the installation structure is bowl-shaped and is formed by protruding the upper end of the air distribution upper cover towards the inside of the air distribution upper cover, the installation structure is provided with a bowl-shaped installation cavity, the top of the installation structure is connected with the top end face of the air distribution upper cover, an opening communicated with the air distribution cavity is formed in the bottom of the installation structure, and the air inlet end of the negative pressure fan stretches into the bowl-shaped installation cavity and is connected with the inner bottom of the installation structure.
According to the air inlet structure of the negative pressure fan, the first sealing groove is formed in the inner bottom of the mounting structure, the first sealing groove is circumferentially arranged on the outer side of the opening, the first sealing groove corresponds to the edge of the end face of the air inlet end, and the first sealing groove is internally provided with the first sealing ring.
According to the air inlet structure of the negative pressure fan, the lower end of the inside of the air distribution upper cover is provided with the reinforcing rib, the lower end of the reinforcing rib is connected with the inner wall of the air distribution upper cover, and the upper end of the reinforcing rib is connected with the outer bottom of the mounting structure.
According to the air inlet structure of the negative pressure fan, the outer wall of the lower end face of the air distribution upper cover is further provided with the connecting flange structure.
According to the air inlet structure of the negative pressure fan, the connecting flange is provided with the plurality of screw mounting holes in a uniform distribution mode.
According to the air inlet structure of the negative pressure fan, the second sealing groove is formed in the movable bottom plate in a surrounding mode at the position corresponding to the connecting flange structure, and the second sealing groove is internally provided with the second sealing ring.
According to the air inlet structure of the negative pressure fan, at least two air distribution interfaces are arranged, and the air distribution interfaces are uniformly distributed along the peripheral wall of the air distribution upper cover.
According to the air inlet structure of the negative pressure fan, an installation gap is reserved between the air distribution interface and the upper surface of the connecting flange structure.
The utility model also provides a surface adsorption mobile robot, which comprises the air inlet structure of the negative pressure fan.
According to the air inlet structure of the negative pressure fan and the surface adsorption mobile robot comprising the air inlet structure, the air inlet structure of the negative pressure fan is convenient for connecting and sealing the air inlet end of the negative pressure fan by arranging the mounting structure at the upper end in the air distribution upper cover; the lower end of the inside of the air distribution upper cover is provided with the reinforcing rib, so that the structural strength of the mounting structure is improved; a gas distribution interface is arranged on the peripheral wall of the gas distribution upper cover, so that the gas distribution upper cover is convenient to connect with a negative pressure pipeline; the utility model simplifies the structure of the air distribution cavity, thereby being beneficial to the weight reduction of the whole structure of the robot.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a state diagram of the use of an air intake structure of a negative pressure fan provided by the utility model;
FIG. 2 is an enlarged view of the structure at A of FIG. 1;
FIG. 3 is one of the perspective views of the valve cover;
FIG. 4 is a second perspective view of the valve cover;
FIG. 5 is a front cross-sectional view of the valve cover;
fig. 6 is a schematic diagram of the bottom structure of the surface adsorption mobile robot provided by the utility model.
Reference numerals:
100. a negative pressure fan; 101. an air inlet end; 200. a gas distribution upper cover;
201. a mounting structure; 202. a bowl-shaped mounting cavity; 203. an opening;
204. a first seal groove; 205. a first sealing ring; 206. reinforcing ribs; 207. a gas distribution interface;
300. a movable bottom plate; 301. sealing grooves II; 302. a second sealing ring;
400. an air distribution cavity; 500. a connecting flange structure; 501. a screw mounting hole;
600. a negative pressure generating region.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
An air intake structure of a negative pressure fan and a surface adsorption mobile robot including the same according to the present utility model will be described below with reference to fig. 1 to 6.
As shown in fig. 1 and fig. 6, a surface adsorption mobile robot may adopt a wheeled or crawler-type travelling mechanism, the robot includes an air inlet structure of a negative pressure fan, and in a further preferred embodiment, at least two negative pressure generating areas 600 at the bottom of the robot correspond to the number of air distribution interfaces 207, so as to enhance the negative pressure adsorption force between the robot and the surface to be adsorbed, and improve the throughput of the robot when travelling on an uneven surface with gaps or small protrusions on the surface.
As shown in fig. 1 and 2, an air inlet structure of the negative pressure fan is arranged inside the surface adsorption mobile robot, and the air inlet structure of the negative pressure fan comprises an air distribution upper cover 200;
as shown in fig. 2-5, the upper cover 200 has a cylindrical structure with upper and lower openings; the upper end of the inside of the air distribution upper cover 200 is provided with a mounting structure 201, the mounting structure 201 is connected with the air inlet end 101 of the negative pressure fan 100, the lower end of the air distribution upper cover 200 is connected with the movable bottom plate 300, the air distribution upper cover 200 and the movable bottom plate 300 enclose an air distribution cavity 400, and the outer wall of the air distribution upper cover 200 is provided with an air distribution interface 207 communicated with the air distribution cavity 400; the air distribution interface 207 may be an externally-arranged air distribution connector, and in some possible embodiments, the air distribution interface 207 may also be arranged as a recessed air distribution hole;
specifically, the mounting structure 201 is bowl-shaped and is formed by protruding the upper end of the air distribution upper cover 200 towards the inside of the air distribution upper cover 200, the mounting structure 201 is provided with a bowl-shaped mounting cavity 202, the top of the mounting structure 201 is connected with the top end face of the air distribution upper cover 200, the bottom of the mounting structure 201 is provided with an opening 203 communicated with the air distribution cavity 400, and the air inlet end 101 of the negative pressure fan 100 stretches into the bowl-shaped mounting cavity 202 and is connected with the inner bottom of the mounting structure 201; the bowl-shaped mounting cavity 202 can be used for quickly realizing the butt joint of the negative pressure fan 100 and the air distribution upper cover 200, is beneficial to reducing the occupation space of the negative pressure fan 100 in the longitudinal direction, and is beneficial to sealing connection.
In this embodiment, a first sealing groove 204 is formed on the inner bottom of the mounting structure 201, the first sealing groove 204 is circumferentially arranged outside the opening 203, the first sealing groove 204 corresponds to the end surface edge of the air inlet end 101, and a first sealing ring 205 is arranged in the first sealing groove 204; the first sealing ring 205 is used for sealing a connection gap between the air inlet end 101 and the inner bottom of the mounting structure 201.
The inside lower extreme of gas distribution upper cover 200 is provided with strengthening rib 206, and the lower extreme of strengthening rib 206 is connected with the inner wall of gas distribution upper cover 200, and the upper end of strengthening rib 206 is connected with the outer bottom of mounting structure 201. The reinforcing ribs 206 are used to strengthen the structural strength of the mounting structure 201 to better support the negative pressure blower 100.
A connecting flange structure 500 is further arranged on the outer wall of the lower end face of the air distribution upper cover 200, and a plurality of screw mounting holes 501 are uniformly distributed on the connecting flange structure 500; the connecting flange structure 500 and the air distribution upper cover 200 can be integrally formed or assembled; the attachment flange structure 500 together with the gas distribution upper cover 200 may be fixedly mounted on the moving base 300 by mounting screws in the screw mounting holes 501.
The second sealing groove 301 is arranged on the movable bottom plate 300 corresponding to the connecting flange structure 500 in a surrounding mode, and the second sealing groove 301 is internally provided with the second sealing ring 302. The second seal ring 302 is used for sealing a connection gap between the connection flange structure 500 and the movable base plate 300.
At least two air distribution interfaces 207 are provided, and the air distribution interfaces 207 are uniformly distributed along the peripheral wall of the air distribution upper cover 200. A mounting gap is reserved between the air distribution interface 207 and the upper surface of the connecting flange structure 500, so that a negative pressure pipeline is sleeved on the air distribution interface 207, and the air distribution cavity 400 is communicated with a negative pressure generation region 600 of the robot through the air distribution interface 207 and the negative pressure pipeline in sequence; when the negative pressure fan 100 is started, the air in the negative pressure generating area 600 is discharged through the air inlet structure, and the surface adsorption force is provided for the robot. The utility model simplifies the structure of the air distribution cavity, thereby being beneficial to the weight reduction of the whole structure of the robot.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. An air intake structure of a negative pressure fan, comprising:
the air distribution upper cover is in a cylindrical structure with an upper opening and a lower opening; the inside upper end of gas distribution upper cover is provided with mounting structure, mounting structure is connected with the air inlet end of negative pressure fan, the lower extreme of gas distribution upper cover is connected with the movable bottom plate, the gas distribution upper cover with the movable bottom plate encloses into a gas distribution chamber, be provided with on the outer wall of gas distribution upper cover with the communicating gas distribution interface of gas distribution chamber.
2. The air inlet structure of the negative pressure fan according to claim 1, wherein the installation structure is bowl-shaped and is formed by protruding the upper end of the air distribution upper cover towards the inside of the air distribution upper cover, the installation structure is provided with a bowl-shaped installation cavity, the top of the installation structure is connected with the top end face of the air distribution upper cover, an opening communicated with the air distribution cavity is formed in the bottom of the installation structure, and the air inlet end of the negative pressure fan extends into the bowl-shaped installation cavity and is connected with the inner bottom of the installation structure.
3. The air inlet structure of the negative pressure fan according to claim 2, wherein a first sealing groove is formed in the inner bottom of the mounting structure, the first sealing groove is circumferentially arranged on the outer side of the opening, the first sealing groove corresponds to the edge of the end face of the air inlet end, and a first sealing ring is arranged in the first sealing groove.
4. The air intake structure of the negative pressure fan according to claim 2, wherein a reinforcing rib is provided at an inner lower end of the air distribution upper cover, a lower end of the reinforcing rib is connected with an inner wall of the air distribution upper cover, and an upper end of the reinforcing rib is connected with an outer bottom of the mounting structure.
5. The air intake structure of the negative pressure fan according to claim 1, wherein a connecting flange structure is further arranged on the outer wall of the lower end face of the air distribution upper cover.
6. The air intake structure of claim 5, wherein the connecting flange is provided with a plurality of screw mounting holes.
7. The air inlet structure of the negative pressure fan according to claim 5, wherein a second sealing groove is formed in the movable bottom plate corresponding to the connecting flange structure in a surrounding mode, and a second sealing ring is arranged in the second sealing groove.
8. The air intake structure of claim 5, wherein at least two air distribution interfaces are provided, and the air distribution interfaces are uniformly distributed along the peripheral wall of the air distribution upper cover.
9. The negative pressure fan inlet structure of claim 8, wherein an installation gap is left between the air distribution interface and the upper surface of the connecting flange structure.
10. A surface adsorption mobile robot comprising an air intake structure of a negative pressure fan according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223489292.9U CN219035068U (en) | 2022-12-23 | 2022-12-23 | Air inlet structure of negative pressure fan and surface adsorption mobile robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223489292.9U CN219035068U (en) | 2022-12-23 | 2022-12-23 | Air inlet structure of negative pressure fan and surface adsorption mobile robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219035068U true CN219035068U (en) | 2023-05-16 |
Family
ID=86275048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223489292.9U Active CN219035068U (en) | 2022-12-23 | 2022-12-23 | Air inlet structure of negative pressure fan and surface adsorption mobile robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219035068U (en) |
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2022
- 2022-12-23 CN CN202223489292.9U patent/CN219035068U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 88 Yonglong Avenue, Huangpu District, Guangzhou City, Guangdong Province Patentee after: Guangdong Lingdu Intelligent Technology Development Co.,Ltd. Country or region after: China Address before: No. 601, 6th Floor, Building A3, No. 2399 Kaichuang Avenue, Huangpu District, Guangzhou City, Guangdong Province (for office use only) Patentee before: Lingdu (Guangdong) Intelligent Technology Development Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |