A vibration-damping and noise-reducing cleaning system for a vehicle

Abstract

A kind of car cleaning system of vibration suppression and noise reduction, it includes cleaning liquid tank, cleaning pump, elastic positioning sleeve and elastic sealing ring, the lower part of cleaning liquid tank is provided with upward liquid outlet, the side of cleaning liquid tank is provided with limiting plate, limiting plate is opposite to liquid outlet, limiting plate is provided with clamping groove, sealing ring center is provided with sealing hole and is fixed on liquid outlet, the end of cleaning pump is provided with liquid inlet nozzle, liquid inlet nozzle is inserted into sealing hole of sealing ring and the end surface of cleaning pump is on the surface of sealing ring to position cleaning pump axially, the top cover of cleaning pump is provided with elastic positioning piece, the center of elastic positioning sleeve is provided with positioning hole and is fixed on elastic positioning piece, multiple vibration suppression holes are arranged on the periphery of positioning hole of elastic positioning sleeve, the bottom of elastic positioning sleeve is provided with rim, elastic positioning sleeve is fixed on elastic positioning piece, elastic positioning sleeve is buckled into the clamping groove of limiting plate, and the rim is limited by the bottom surface of limiting plate axially, and the outer periphery of elastic positioning sleeve is clamped by the clamping part on the clamping groove to fix cleaning pump.

Description

Technical Field

[0001] This invention relates to a vehicle cleaning system, and more particularly to a vibration damping and noise reduction vehicle cleaning system. Background Technology

[0002] With the continuous development and progress of the automotive industry, assisted driving and intelligent driving technologies are gradually being applied. More and more cameras, sensors, and lidar need to be installed on the exterior of the vehicle. Because these devices are exposed, small flying insects, dust, mud, or snow attached to them can affect their perception capabilities and reduce the accuracy of data collection. For assisted driving and autonomous driving vehicles that are in motion, if these devices are contaminated and cannot be detected and cleaned quickly in time, the accuracy of the collected data will be reduced, which will affect the control of the vehicle and, in severe cases, endanger driving safety.

[0003] Because cleaning systems require nozzles to spray high-pressure, high-flow-rate cleaning fluid to achieve the desired cleaning effect, the cleaning pump needs to rotate at high speed to provide power. The vibration generated by the high-speed rotating cleaning pump is transmitted to the cleaning fluid tank, and is further amplified by the cleaning fluid tank, causing significant vibration and noise. This directly affects the comfort of drivers and passengers, which is unacceptable. Therefore, there is an urgent need to design a vehicle cleaning system that can suppress vibration and reduce noise to meet the comfort requirements of vehicles. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the above-mentioned shortcomings of the prior art and provide a vehicle cleaning system that can better suppress vibration and reduce noise, thereby reducing vibration and noise.

[0005] The technical solution adopted by the present invention to solve the above-mentioned technical problems is as follows: A vibration-damping and noise-reducing vehicle cleaning system includes a cleaning fluid tank, a cleaning pump, an elastic positioning sleeve, and an elastic sealing ring. The cleaning fluid tank has an upward-facing outlet at its lower part. A limiting plate is provided on the side of the cleaning fluid tank, opposite to the outlet, and has a slot. The sealing ring has a sealing hole at its center and is fixed to the outlet. The cleaning pump has an inlet at its end, which is inserted into the sealing hole of the sealing ring, and the end face of the cleaning pump abuts against the surface of the sealing ring to axially position the cleaning pump. An elastic positioning element is provided on the top cover of the cleaning pump. The elastic positioning sleeve has a positioning hole at its center that matches the positioning element and can be fixed to the positioning element. Multiple vibration-damping holes are spaced apart on the elastic positioning sleeve around the positioning hole. The bottom of the elastic positioning sleeve has an edge. The elastic positioning sleeve is fitted into the elastic positioning element and fixed to it. The elastic positioning sleeve is snapped into the slot of the limiting plate, and the bottom surface of the limiting plate axially limits the edge of the elastic positioning sleeve. The locking part on the slot locks the outer periphery of the elastic positioning sleeve to fix the cleaning pump.

[0006] Even better, the limiting plate slot includes a bayonet and multiple arc-shaped locking parts that mate with the outer periphery of the elastic positioning sleeve. The positioning sleeve is radially limited by the arc-shaped locking parts, thereby better fixing the cleaning pump.

[0007] Even better, a vibration damping groove is provided between two adjacent snap-fit ​​parts of the limiting plate, and the periphery of the vibration damping groove does not contact the outer periphery of the positioning sleeve, thereby making the vibration damping and noise reduction effect of the positioning sleeve better.

[0008] Better yet, clearance grooves are provided on both sides of the bayonet.

[0009] Even better, the elastic positioning post is provided with an axial opening groove, so that the positioning post can be pressed and moved inward between the opening grooves, making it radially elastic, which facilitates the installation of the positioning sleeve on the positioning post and also facilitates the insertion of the positioning sleeve into the limiting plate, resulting in better assemblability.

[0010] Even better, the elastic positioning post has a cylindrical hole at its center, which makes the wall thickness of the positioning post uniform, has better molding processability, and avoids shrinkage deformation.

[0011] Even better, the elastic positioning post is cylindrical, and the elastic positioning sleeve is also cylindrical.

[0012] Even better, a vibration-damping hollow ring is provided on the outer periphery of the upper sealing hole at the lower end of the elastic sealing ring along the axial direction. Such a sealing ring has a better vibration damping and noise reduction effect.

[0013] Even better, a vibration-damping hollow ring II is provided on the outer periphery of the sealing hole with the fixed side of the elastic sealing ring facing downward along the axial direction, and multiple vibration-damping strips are provided inside the vibration-damping hollow ring II. Such a sealing ring has a better vibration-damping and noise-reducing effect.

[0014] Even better, the elastic sealing ring is provided with an annular groove, which is engaged with the edge of the liquid outlet for fixation, thus ensuring a secure fixation.

[0015] Even better, the lower outer circle of the sealing ring is provided with a frustum surface, which makes it easier to install the sealing ring into the mounting hole of the cleaning fluid tank, thus improving the assemblability.

[0016] Compared with the prior art, the advantages of the present invention are as follows: by setting a positioning sleeve and a sealing ring with a special structure between the cleaning fluid tank and the cleaning pump, the vibration generated by the high-speed rotation of the cleaning pump during operation is damped by the positioning sleeve and the sealing ring, thereby reducing the vibration transmitted from the cleaning pump to the cleaning fluid tank, thus reducing the vibration and noise caused by further amplification by the cleaning fluid tank, and preventing noise interference to the driver and passengers and affecting their comfort. Attached Figure Description

[0017] Figure 1This is a perspective view of a vehicle cleaning system for vibration suppression and noise reduction according to an embodiment of the present invention.

[0018] Figure 2 yes Figure 1 A-A rotated enlarged partial sectional view.

[0019] Figure 3 This is an exploded view of a vibration-damping and noise-reducing vehicle cleaning system according to an embodiment of the present invention.

[0020] Figure 4 This is a front view of the cleaning fluid tank according to an embodiment of the present invention.

[0021] Figure 5 yes Figure 4 A partial enlarged sectional view of section B-B.

[0022] Figure 6 yes Figure 4 A partial enlarged sectional view of the C-C section.

[0023] Figure 7 This is a schematic diagram of the cleaning pump according to an embodiment of the present invention.

[0024] Figure 8 This is a schematic diagram of the positioning sleeve according to an embodiment of the present invention.

[0025] Figure 9 This is a schematic diagram of the sealing ring structure according to an embodiment of the present invention.

[0026] Figure 10 This is a schematic diagram of the positioning post and positioning sleeve according to another embodiment of the present invention.

[0027] Figure 11 This is a schematic diagram of the positioning post and positioning sleeve according to another embodiment of the present invention.

[0028] Figure 12 This is a schematic diagram of the positioning post and positioning sleeve in another embodiment of the present invention. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0030] like Figure 1-9 As shown, a vibration-damping and noise-reducing vehicle cleaning system includes a cleaning fluid tank 10, a cleaning pump 20, an elastic positioning sleeve 30, and an elastic sealing ring 40.

[0031] like Figure 4-9 As shown, the cleaning fluid tank 10 has an upward-facing mounting hole 106 (liquid outlet) at its lower part, which mates with the annular groove 403 of the sealing ring 40. The annular groove 403 snaps into the edge of the mounting hole 106, thereby fixing the sealing ring 40 to the lower part of the cleaning fluid tank 10.

[0032] A limiting plate 101 is provided on the side wall of the cleaning fluid tank 10. The limiting plate 101 is opposite to the mounting hole 106 (liquid outlet). A slot 108 is provided on the limiting plate 101. The slot 108 includes a slot 105 and multiple locking parts that cooperate with the outer periphery of the positioning sleeve. In this embodiment, the locking parts are arc-shaped 104. The positioning sleeve 30 can be inserted into the slot 108 of the limiting plate 101 from the slot 105. The positioning sleeve 30 is radially limited by the arc-shaped locking parts 104. The bottom surface of the limiting plate 101 presses against the bottom edge of the positioning sleeve 30 to axially limit it, thereby limiting the cleaning pump 20 and preventing the cleaning pump 20 from becoming loose.

[0033] A vibration damping groove 103 is also provided between the adjacent arc-shaped snap-fit ​​parts 104. The edge of the vibration damping groove 103 does not contact the outer periphery 301 of the positioning sleeve, which makes the vibration damping and noise reduction effect of the positioning sleeve 30 better.

[0034] The aforementioned bayonet 105 is provided with clearance grooves 107 on both sides, which makes it easier for the positioning sleeve 30 to be snapped into the bayonet. After the positioning sleeve 30 is snapped into the bayonet 105, it resets more quickly and can better fix the positioning sleeve 30.

[0035] A transition arc 102 is provided at the slot 105 of the aforementioned limiting plate 101, and the sleeve 301 of the positioning sleeve 30 can be easily inserted along the transition arc 102, which facilitates the assembly of the positioning sleeve 30 into the limiting plate 101 and improves assemblability.

[0036] The cleaning pump 20 described above has a positioning post 206 on the upper cover surface 207. In this embodiment, the post is cylindrical and cooperates with the positioning hole 305 of the positioning sleeve 30. The positioning sleeve 30 is fitted into and fixed on the positioning post 206 through the positioning hole 305.

[0037] The positioning post 206 is also provided with a vertical opening groove 203, which makes the positioning post 206 radially elastic, making it convenient for the positioning sleeve 30 to be installed on the positioning post 206, and also convenient for the positioning sleeve 30 to be installed into the limiting plate 101, thus improving the assemblability.

[0038] The aforementioned positioning post 206 has a cylindrical hole 204 at its center, which makes the wall thickness of the positioning post 206 uniform, has better molding processability, and avoids shrinkage deformation.

[0039] The aforementioned positioning post 206 has a transition arc surface 205 at its end, which facilitates the insertion of the positioning sleeve 30 along the transition arc surface 205.

[0040] The aforementioned positioning sleeve 30 is made of elastic material. In this embodiment, the main body of the positioning sleeve 30 is a cylinder, with a cylindrical positioning hole 305 at its center that cooperates with the positioning post 206. Multiple vibration damping holes 306 are evenly spaced along the circumference of the positioning sleeve body between the circumference of the cylindrical positioning hole 305 and the outer circular surface 301. An annular edge 307 is provided at the bottom of the positioning sleeve 30.

[0041] The aforementioned positioning hole 305 has a transition arc surface 304 at its opening to facilitate the insertion of the positioning sleeve 30 into the positioning post 206.

[0042] When the positioning sleeve 30 is snapped into the slot of the limiting member, the outer circular surface 301 is held in place by multiple arc-shaped snap-fit ​​parts 104, the mounting surface 303 of the edge 307 is attached to the end cover surface 207 of the cleaning pump 20, and the positioning surface 302 is limited by the bottom surface of the limiting plate 101, thereby fixing and limiting the cleaning pump 20.

[0043] The aforementioned sealing ring 40 is made of elastic material, and its upper end face 401 is set as a fixed surface to axially position the bottom surface 202 of the pump cover on the side of the inlet nozzle 201 of the cleaning pump 20.

[0044] The aforementioned sealing ring 40 has a sealing hole 405 in the center to seal and fix the liquid inlet 201 of the cleaning pump 20.

[0045] The aforementioned sealing ring 40 has a vibration damping hollow ring 408 arranged on the outer side of the sealing hole 405 on the fixed surface 401 along the axial direction. Multiple vibration damping strips 407 are arranged inside the vibration damping hollow ring 408 to divide the hollow ring 408 into multiple segments. A vibration damping hollow ring 406 is arranged on the outer side of the sealing hole 405 at its lower end along the axial direction, which achieves the effect of vibration damping and noise reduction.

[0046] The sealing hole 405 of the sealing ring 40 is provided with a transition arc surface 402, which facilitates the insertion of the inlet nozzle 201 of the cleaning pump 20 into the sealing hole 405, thereby improving assemblability.

[0047] The lower outer circle of the sealing ring 40 is provided with a frustum 404, which makes it easier to install the sealing ring 40 into the mounting hole 106 of the cleaning fluid tank 10, thus improving the assembly performance.

[0048] The above-mentioned vehicle cleaning system can be conveniently installed in the following order: first, install the sealing ring 40 on the mounting hole 106 of the cleaning fluid tank 10, install the positioning sleeve 30 on the positioning post 206 of the cleaning pump 20, then insert the inlet nozzle 201 of the cleaning pump 20 into the sealing hole 405 of the sealing ring 40, and then snap the positioning sleeve 30 into the slot of the limiting plate 101 of the cleaning fluid tank 10 to fix the cleaning pump 20.

[0049] like Figure 10In another embodiment, the positioning element and positioning sleeve are provided. The positioning sleeve 1002 is quadrilateral, with a quadrilateral hole 10022 inside and spaced vibration damping holes 10021 outside the quadrilateral hole 10022. A quadrilateral edge 10023 is provided on the bottom edge. A quadrilateral column 10013 with the outline of the positioning sleeve 1002 is provided on the top surface of the cleaning pump 10011 for mounting the positioning sleeve 1002. The quadrilateral column 10013 fits into the quadrilateral hole 10022, and the positioning sleeve 1002 can be fixed on the positioning column 10013. Moreover, in this embodiment, a groove 20012 is provided in the quadrilateral of the positioning column 10013 to make it easier to install the positioning sleeve 1002.

[0050] Similarly, a slot (not shown in the figure) matching the positioning sleeve 1002 can be set on the limiting plate of the cleaning fluid tank, so that the positioning sleeve 1002 is limited by the slot and the quadrilateral edge 10023 is limited by the bottom surface of the limiting plate, thereby fixing and limiting the cleaning pump 20, which can also achieve the effect of vibration suppression and noise reduction.

[0051] like Figure 11 As shown, another embodiment of the positioning element and positioning sleeve is illustrated. The positioning sleeve 2002 is an elliptical cylinder with an elliptical cylinder hole 20024 inside. Vibration damping holes 20025 are provided at intervals outside the elliptical cylinder hole 20024, and an elliptical cylinder edge 20023 is provided at the bottom. An elliptical cylinder 20011 for installing the positioning sleeve 2002 is provided on the cleaning pump 2001. The elliptical hole 20024 fits perfectly into the elliptical cylinder 20011, thus tightly fixing the positioning sleeve 2002 onto the elliptical cylinder 20011.

[0052] Similarly, a slot (not shown in the figure) matching this positioning sleeve can be set on the limiting plate of the cleaning fluid tank, so that the positioning sleeve 2002 ...

[0053] A vertically oriented opening groove 20012 is also provided on the positioning post 20011, so that the positioning post 20011 is elastic in the radial direction, which facilitates the installation of the positioning sleeve 2002 on the positioning post 20024, and also facilitates the installation of the positioning sleeve 2002 into the limiting plate, thus improving the assemblability.

[0054] An elliptical cylindrical hole 20013 is also provided in the center of the positioning post 20024 to make the wall thickness of the positioning post 20024 uniform, improve its molding processability, and avoid shrinkage deformation.

[0055] like Figure 12As shown, in another embodiment, the positioning post and positioning sleeve are provided. The positioning sleeve 3002 is designed as a quadrilateral with a T-shaped hole 30022 inside and spaced vibration damping holes 30021 outside the T-shaped hole 30022. The bottom edge is provided with a square edge 30023. A T-shaped post 30012 for installing the positioning sleeve 3002 is provided on the end cover surface 30011 of the cleaning pump 3001. The T-shaped hole 30022 fits perfectly into the T-shaped post 30012, thus tightly fixing the positioning sleeve 3002 to the T-shaped post 30012.

[0056] Similarly, a slot (not shown in the figure) matching this positioning sleeve is set on the limiting plate of the cleaning fluid tank, so that the positioning sleeve 3002 is limited by the slot and the square edge 30023 is limited by the bottom surface of the limiting plate, thereby fixing and limiting the cleaning pump, which can also achieve the effect of vibration suppression and noise reduction.

[0057] In summary, the positioning sleeve and positioning post can also be modified in shape and structure according to the technical concept and inventive essence of this invention.

Claims

1. A vibration-damping and noise-reducing vehicle cleaning system, characterized in that: The system includes a cleaning fluid tank, a cleaning pump, an elastic positioning sleeve, and an elastic sealing ring. The cleaning fluid tank has an upward-facing outlet at its lower part. A limiting plate is provided on the side of the cleaning fluid tank, opposite to the outlet. The limiting plate has a slot. The sealing ring has a sealing hole at its center and is fixed to the outlet. The cleaning pump has an inlet at its end, which is inserted into the sealing hole of the sealing ring. The end face of the cleaning pump abuts against the surface of the sealing ring to axially position the cleaning pump. An elastic positioning element is provided on the top cover of the cleaning pump. The elastic positioning sleeve has a positioning hole at its center that matches the elastic positioning element and can be fixed to the positioning element. Multiple vibration damping holes are provided at intervals around the positioning hole on the elastic positioning sleeve. The bottom of the elastic positioning sleeve has an edge. The elastic positioning sleeve is fitted into the elastic positioning element and fixed to it. The elastic positioning sleeve is snapped into the slot of the limiting plate, and the bottom surface of the limiting plate axially limits the edge. The outer periphery of the elastic positioning sleeve is locked by the snap-fit ​​part on the slot to fix the cleaning pump.

2. The vehicle cleaning system for vibration suppression and noise reduction as described in claim 1, characterized in that: The limiting plate slot includes a bayonet opening and multiple arc-shaped locking parts that mate with the outer periphery of the elastic positioning sleeve, thereby radially limiting the positioning sleeve through the arc-shaped locking parts.

3. The vehicle cleaning system for vibration suppression and noise reduction as described in claim 1, characterized in that: A vibration damping groove is provided between two adjacent snap-fit ​​parts of the limiting plate, and the periphery of the vibration damping groove does not contact the outer periphery of the positioning sleeve.

4. The vibration-damping and noise-reducing vehicle cleaning system as described in claim 2, characterized in that: The bayonet is provided with clearance slots on both sides.

5. The vibration-damping and noise-reducing vehicle cleaning system as described in claim 1, characterized in that: The elastic positioning member is provided with an axial opening groove.

6. The vibration-damping and noise-reducing vehicle cleaning system as described in claim 1, characterized in that: The elastic positioning element has a cylindrical hole at its center.

7. The vibration-damping and noise-reducing vehicle cleaning system as described in claim 1, characterized in that: The elastic positioning element is cylindrical, and the elastic positioning sleeve is also cylindrical.

8. The vibration-damping and noise-reducing vehicle cleaning system as described in claim 1, characterized in that: A vibration-damping hollow ring is provided along the axial direction on the outer periphery of the upper sealing hole at the lower end of the elastic sealing ring.

9. The vehicle cleaning system for vibration suppression and noise reduction as described in claim 1, characterized in that: A second vibration-damping hollow ring is provided on the outer periphery of the sealing hole with the fixed side of the elastic sealing ring facing downward along the axial direction, and multiple vibration-damping strips are provided inside the second vibration-damping hollow ring.

10. The vibration-damping and noise-reducing vehicle cleaning system as described in claim 1, characterized in that: The elastic sealing ring is provided with an annular groove, which is engaged with the edge of the liquid outlet for fixation.

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