CN219134108U - Install in washing and scrubbing head's pressure release mechanism and washing and scrubbing car device - Google Patents

Abstract

The utility model discloses a pressure release mechanism and a scrubbing vehicle device which are arranged in a scrubbing head, wherein the pressure release mechanism comprises a first fixed part arranged below a cleaning mechanism in the scrubbing head and a pressure release joint arranged in the middle of the first fixed part, the cleaning mechanism comprises a first interference part which is interfered with a scrubbing roller and is used for extruding sewage and a second interference part which is slightly interfered with the scrubbing roller and is used for guiding the sewage away, and the pressure release mechanism is characterized in that the first fixed part comprises an arc-shaped structure upper half part which is matched with the surface of the scrubbing roller, and a lower half part of the pressure release structure is arranged and formed, wherein the scrubbing roller continuously rolls on the surface of a vehicle to realize continuous scrubbing; the cleaning mechanism is used for continuously cleaning the surface of the part of the scrubbing roller after the surface of the vehicle is scrubbed and keeping the surface humidity of the scrubbing roller, and comprises a sealed liquid exchange area and a pressure relief structure formed with the surface of the scrubbing roller. The pressure in the scrubbing head is well released in any direction in the process of scrubbing the vehicle.

Description

Install in washing and scrubbing head's pressure release mechanism and washing and scrubbing car device

Technical Field

The utility model relates to the technical field of vehicle cleaning, in particular to a pressure release mechanism arranged in a scrubbing head and a scrubbing vehicle device provided with the pressure release mechanism.

Background

Vehicles need to be cleaned frequently, otherwise, ash is easy to form on the surfaces of the vehicles, and the attractiveness of the vehicles is affected. The existing vehicles are cleaned in two ways, namely, professional cleaning is provided by a special vehicle beauty place; secondly, the user uses the professional tool to operate by himself. In the former, there are disadvantages in that a user is required to move the vehicle to a beauty place, the time is long, the cleaning cost is not low, the water consumption is large, and the environment is not protected. For the latter, although the cost is low, the water consumption is not small, so that the waste of water is caused, meanwhile, the cleaning phenomenon is easy to occur due to laborious work, and the ideal cleaning effect is not achieved.

The existing car cleaning device can only be used for cleaning and cleaning respectively, so that the cleaning efficiency is lower.

Disclosure of Invention

The utility model mainly solves the technical problem by providing a pressure release mechanism arranged in a scrubbing head, which comprises a first fixed part arranged below a cleaning mechanism in the scrubbing head and a pressure release joint arranged in the middle of the first fixed part, wherein the cleaning mechanism comprises a first interference part which is interfered with a scrubbing roller and is used for extruding sewage and a second interference part which is slightly interfered with the scrubbing roller and is used for guiding the sewage away, and the pressure release mechanism is characterized in that the first fixed part comprises an arc-shaped upper half part which is matched with the surface of the scrubbing roller and a lower half part which forms the pressure release structure, wherein the scrubbing roller continuously rolls on the surface of a vehicle to realize continuous scrubbing; the cleaning mechanism is used for continuously cleaning the surface of the part of the scrubbing roller after the surface of the vehicle is scrubbed and keeping the surface humidity of the scrubbing roller, and comprises a sealing liquid exchange area and a pressure relief structure.

Further, the first fixing part comprises an arc surface corresponding to the surface of the scrubbing roller and provided with a gap, a third interference part, a fourth interference part and a pressure relief groove, wherein the third interference part and the fourth interference part are in butt joint with the surface of the scrubbing roller, and the pressure relief groove is concave back to the surface of the scrubbing roller.

Further, the pressure relief groove comprises a first pressure relief groove formed between the cambered surface and the third interference part and a second pressure relief groove formed between the third interference part and the fourth interference part.

Further, the two ends of the first pressure relief groove point to the scrubbing roller to incline upwards and terminate on the inclined end face integrated with the cambered surface, the junction of the cambered surfaces continues to collapse in the direction away from the surface of the scrubbing roller in the direction of the two ends of the scrubbing roller to form a collapse part, and the pressure to be released during working can be continuously released along a second pressure relief inlet formed in the collapse part after passing over the end part of the first pressure relief groove.

Further, the second pressure relief groove extends to two ends of the scrubbing roller, and the second pressure relief inlet is communicated with the second pressure relief groove.

In order to solve the technical problem, the utility model also provides a scrubbing vehicle device, which comprises a machine body, a scrubbing head and a handle connected with the scrubbing head, wherein the scrubbing head comprises two clamping parts extending from the machine body to two ends, a scrubbing roller elastically clamped by the two clamping parts and a cleaning mechanism, the scrubbing head comprises a pressure release mechanism arranged in the scrubbing head, wherein the cleaning mechanism continuously cleans the surface of a part of the scrubbing roller after the surface of a vehicle is scrubbed and keeps the surface humidity of the scrubbing roller, and the cleaning mechanism comprises a sealed liquid exchange area formed by the cleaning mechanism and the surface of the scrubbing roller. Further, the cleaning mechanism comprises a first interference part which forms extrusion with the surface of the scrubbing roller, the first interference part is respectively provided with a fixing part and a sealing part along the two sides of the surface of the scrubbing roller along the circumferential direction, and the sealing part forms a sealing liquid exchange area on the surface of the scrubbing roller.

Further, the clamping part comprises a clamping upper end part and a clamping lower end part, a water delivery channel is arranged in the clamping upper end part and the clamping lower end part, and the clamping upper end part and/or the clamping lower end part are/is provided with a clamping hole for clamping the scrubbing roller and a sliding-out step convenient for sliding out the scrubbing roller.

Further, the cleaning mechanism comprises a first interference part which forms extrusion with the surface of the scrubbing roller, the first interference part is respectively provided with a fixing part and a sealing part along the two sides of the surface of the scrubbing roller along the circumferential direction, and the sealing part forms a sealing liquid exchange area on the surface of the scrubbing roller.

Further, a V-shaped groove is formed between the sealing portion and the fixing portion on the opposite side from the first interference portion, and a rib is provided between the sealing portion and the fixing portion on the opposite side from the first interference portion.

Further, the cleaning mechanism also comprises a water diversion structure which is connected with the sealing part and is contacted with the surface of the scrubbing roller to form watertight contact.

Further, the water diversion structure comprises a water diversion part contacted with the surface of the scrubbing roller and a water storage part connected with the contact part, the water diversion part extends into the sealed liquid exchange area, the water diversion part close to the sealed liquid exchange area is contacted with the surface of the scrubbing roller, and a gap is arranged between the water diversion part far away from the sealed liquid exchange area and the surface of the scrubbing roller.

Further, the water diversion part comprises a second interference part which is interfered with the surface of the scrubbing roller, and a pressure relief gap is arranged between the water diversion structure behind the second interference part and the surface of the scrubbing roller.

Further, two ends of the water diversion structure are respectively provided with a guide strip which is in partial contact with the surface of the scrubbing roller, the inner side of the guide strip is provided with an inclined plane which can partially press the surface of the scrubbing roller, and the inclined plane is of an arc-shaped structure.

Further, two ends of the first interference part are respectively provided with a protrusion, and the pressure formed by the protrusions on the surface of the scrubbing roller is larger than that of the first interference part.

Further, the cross section of the sealing liquid exchange area along the length vertical direction is arc-shaped.

The pressure release mechanism arranged in the scrubbing head and the scrubbing vehicle device provided with the pressure release mechanism arranged in the scrubbing head have the following beneficial effects:

1. the width of the first pressure relief groove pointing to the inner walls of the two clamping parts in the axial direction of the scrubbing roller is smaller than that of the second pressure relief groove, a first pressure relief space formed by the first pressure relief groove and the surface of the scrubbing roller is formed at the two ends of the first pressure relief groove, the cambered surface is provided with a collapse part which is further away from the surface of the scrubbing roller in the inclined direction downwards along the direction of the inner walls of the first pressure relief groove pointing to the two clamping parts, the second pressure relief groove extends to the inner walls of the two clamping parts all the way in the axial direction of the scrubbing roller 1, the second pressure relief groove, the inner walls of the two clamping parts and the surface of the scrubbing roller are surrounded to form a second pressure relief space, the cambered surface forms a second pressure relief left inlet and a second pressure relief right inlet through the collapse part on the cambered surface, and the first gap, the second gap, the first pressure relief space and the second pressure relief space form a large-area projection on the surface of the scrubbing roller.

2. The first fixing piece continues to extend to the length direction at the two ends of the third interference part respectively and simultaneously extends a water pocket protrusion in an A shape upwards along the radial direction of the outer surface of the scrubbing roller, and the first fixing piece continues to extend to the two ends at the water pocket protrusion and simultaneously gradually reduces the interference with the outer surface of the scrubbing roller to zero until a gap is reserved between the first fixing piece and the second fixing piece, so that a collapse section is formed. The first fixing piece is in slight interference fit with the outer surface of the scrubbing roller 1 at the third interference part and the two water pocket protrusions, and a fine particle garbage collection space for containing fine particle garbage is formed at the lower part of the second gap. On the one hand, the outer side of the third interference part is positioned close to the surface of the vehicle, when the particle garbage exists and can be separated from the surface of the scrubbing roller through the action of the outer side of the third interference part after the particle garbage passes through the second pressure relief groove, and when the particle garbage is adhered to the highest point of the third interference part under the action of the viscosity of the water absorption layer on the surface of the wetted scrubbing roller, the particle garbage forms deposition on the concave side of the third interference part under the impact of the release air released from the air outlet and the infiltration action of the sewage extruded by the first interference part on the water absorption layer again. When the third interference part is positioned on the second fixing piece, the third interference part can be conveniently detached, so that the particle garbage deposited in the fine particle garbage collection space can be conveniently cleaned. On the other hand, when encountering the fine particle garbage collection space and filling particle garbage or sewage, because the collapse section of the first fixing piece and the surface water absorption layer of the scrubbing roller leave a gap, a second pressure relief left inlet and a second pressure relief right inlet are formed, and the discharged air can be discharged from the second pressure relief left inlet and the second pressure relief right inlet to the second pressure relief space after encountering the obstruction of the fine particle garbage collection space, thereby realizing secondary discharge of the pressure accumulated in the vehicle cleaning device.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the following brief description will be given of the drawings required for the description of the embodiments or the prior art, it being apparent that the drawings in the description only illustrate certain embodiments of the utility model and should not be construed as limiting the scope, and that other relevant drawings can be obtained from these drawings without inventive effort to a person skilled in the art.

Fig. 1 is a schematic structural view of an embodiment of a scrubbing apparatus.

Fig. 2 is a schematic view of the structure taken along the direction C-C in fig. 1.

Fig. 3 is an enlarged schematic view of the part B of fig. 2.

Fig. 4 is an exploded view of the front structure of fig. 2.

Fig. 5 is a schematic view of the structure of fig. 2, in the absence of a scrub roller.

Fig. 6 is a schematic view of a pressure relief mechanism installed in a scrubbing head.

Fig. 7 is a schematic view of another view of the structure of fig. 2, in the absence of a scrub roller.

Fig. 8 is an enlarged schematic view of a portion B of fig. 2 according to another embodiment.

Reference numerals:

a scrubbing roller 1, a water absorbing layer 11, a motor 12, a cleaning mechanism 2, a sewage container 3, a machine body 4, a handle 5, a water pump 6, an exhaust pipe 7, a sealed liquid exchange area A,

A first interference part 20, an arc-shaped protruding part 201, a fixing part 21, a sealing part 22, a rib plate 23, a mounting part 24, an upper cover 25, a pressure relief joint 28,

The water diversion structure 61, the water diversion part 611, the second interference part 6111, the water storage part 614, the straight part 616, the extension part 610, the pressure relief cavity 620, the pressure relief exhaust port 6201, the first pressure relief groove G1, the second pressure relief groove G2, the second pressure relief left inlet D1, the second pressure relief right inlet D2, the pressure relief air vent 6201,

A clamping upper end 41, a clamping upper end face shell 411, a clamping upper end bottom shell 412,

A clamping lower end 42, a clamping lower end face shell 421, a clamping lower end bottom shell 422,

A first fixing piece 62, a third interference portion 621, a fourth interference portion 622, an arc surface 623, a collapse portion 624, a mounting hole 625,

The achievement of the object, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Description of the embodiments

The claims hereof are to be read in further detail with reference to specific embodiments and to the accompanying drawings, in which the embodiments described are only some, but not all embodiments of the utility model. Based on the embodiments of the present utility model, one of ordinary skill in the art would be able to devise all other embodiments that are obtained without inventive effort and that are within the scope of the present utility model.

It should be understood that, in the embodiments of the present utility model, all directional terms, such as "upper", "lower", "left", "right", "front", "rear", etc., are used for convenience in describing the present utility model only and are not intended to be limiting, since the directional terms, such as "upper", "lower", "left", "right", "front", "rear", etc., are based on the orientation, positional relationship shown in the drawings or the orientation or positional relationship in which the inventive product is conventionally put in use. Merely to explain the relative positional relationship, movement, etc. between the components shown in the drawings, the directional indication may be changed when the specific posture is changed.

Furthermore, ordinal words such as "first," "second," and the like in the description of the present utility model are used for distinguishing purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of technical features indicated. The features defining "first", "second" may be explicit or implicit and at least one of the features. In the description of the present utility model, the meaning of "plurality" means at least two, i.e., two or more, unless otherwise specifically defined; the meaning of "at least one" is one or more.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly, and may, for example, be defined as having a relatively fixed positional relationship between components, as having a physically fixed connection between components, as being detachably connected, or as a unitary structure; the connection can be mechanical connection or electric signal connection; can be directly connected or indirectly connected through intermediate media or components; the communication between two elements or the interaction relationship between two elements is not limited by the specification, and the specific meaning of the terms in the present utility model will be understood by those skilled in the art according to the specific circumstances except that the corresponding function or effect cannot be achieved when other understanding is made.

The utility model, if related to a controller, a control circuit is a control technology or a unit conventional to a person skilled in the art, and the control circuit of the controller can be implemented by a person skilled in the art by adopting existing, such as simple programming. The software or program for realizing the control result in cooperation with the hardware is used as the conventional technology of the prior art or the person skilled in the art if the description does not show the control process of the related software or program in detail. The power supply also adopts the prior art in the field, and the main technical point of the utility model is to improve the mechanical device, so the utility model does not describe specific circuit control relation and circuit connection in detail.

The disclosure of the present utility model provides many different embodiments or examples for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described herein. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

As shown in fig. 1-7, the present utility model provides an embodiment of a scrubber device.

As shown in fig. 1 and 2, the cleaning vehicle device comprises a cleaning head (not shown in the drawings) and a handle 5 connected with the cleaning head, wherein the cleaning head comprises a cleaning roller 1, a cleaning mechanism 2, a cleaning liquid containing mechanism 3, a machine body 4, a pump 6 for conveying cleaning liquid in the cleaning liquid containing mechanism to the cleaning mechanism, and a pressure release mechanism (not shown in the drawings) for releasing the air pressure in the cleaning liquid containing mechanism 3 in the cleaning process through an exhaust pipe 7, wherein the cleaning roller 1 continuously cleans by continuously rolling on a surface to be cleaned; the cleaning mechanism 2 continuously cleans part of the surface of the scrubbing roller 1 after scrubbing the surface to be cleaned and maintains the surface humidity of the scrubbing roller, and comprises a sealing liquid exchange area A. The cleaning solution containing mechanism 3 is detachably mounted on the machine body 4, the pump 6 is mounted inside one end of the machine body, which is closer to the handle 5, the pump 6 is powered by a battery (not shown in the drawing) arranged in the handle 6 through a connector (not shown in the drawing) at one end of the machine body, which is closer to the handle 5, a water inlet (not shown in the drawing) of the pump 6 is connected with a water outlet (not shown in the drawing) of the cleaning solution containing mechanism 3 through a pipeline, a water outlet (not shown in the drawing) of the pump 6 is connected with a water inlet (not shown in the drawing) of the sealing liquid exchange area A through a pipeline, and a water outlet (not shown in the drawing) of the sealing liquid exchange area A is connected with a water return port (not shown in the drawing) of the cleaning solution containing mechanism through a pipeline. The cleaning solution containing mechanism 3 is further provided with an exhaust port (not shown in the drawing) connected to a pressure relief joint 28 through an exhaust pipe 7, and the air pressure of the cleaning solution containing mechanism 3 in the cleaning process is relieved through the pressure relief mechanism (not shown in the drawing) and finally the relieved pressure is mixed with water and air to be discharged to the surface of the scrubbing roller 1 through the pressure relief joint 28.

Specifically, as shown in fig. 1, 2, 5 and 7, the cleaning head includes two clamping parts (including an upper clamping end 41 and a lower clamping end 42) extending from the machine body 4 to two ends, a cleaning roller 1 elastically clamped by the two clamping parts, a cleaning mechanism 2 connecting the two clamping parts and cleaning the cleaning roller 1, and an upper cover 25 covering the cleaning mechanism 2, wherein a water absorbing layer 11 capable of absorbing water is arranged on the surface of the cleaning roller 1, and in this embodiment, the water absorbing layer 11 adopts sponge. The scrub roller 1 is directly driven by a motor 12, or can be driven by a motor or the like through a transmission mechanism (not shown in the drawing), and continuous scrubbing is realized by rolling the scrub roller 1 on the surface to be cleaned.

As shown in fig. 2, 3, 4 and 7, the cleaning mechanism continuously cleans a part of the surface of the scrub roller 1 after the surface of the vehicle is scrubbed and maintains the surface humidity of the scrub roller 1, and includes a first interference part 20 that forms a sealing liquid exchanging area a on the part of the surface of the scrub roller 1 and extrudes the liquid on the scrub roller 1 to the sealing liquid exchanging area a.

The cleaning mechanism 2 adopts an integral structure, and the following embodiments are realized by adopting the cleaning mechanism 2 as a plurality of parts in cooperation, but the serial numbers and names of parts involved in the following description are consistent with the present embodiment, or the technical proposal disclosed by the present embodiment is within the scope of protection of the present embodiment by simple deformation and expansion of the person skilled in the art based on the following text description and the accompanying drawings.

As a further improved embodiment, the cleaning mechanism 2 may also be implemented by adopting a plurality of parts in a matched manner, wherein when a plurality of separated parts are implemented in a matched manner, the processing and manufacturing difficulty of the cleaning mechanism can be reduced.

The present embodiment will be described taking the cleaning mechanism 2 as a separate component structure as an example.

As shown in fig. 2, 3 and 4, the cleaning mechanism 2 includes a first interference portion 20 that forms an extrusion with the surface of the scrubbing roller 1, where the first interference portion 20 is provided with a fixing portion 21 and a sealing portion 22 respectively along two sides of the surface of the scrubbing roller 1 in the circumferential direction, the sealing portion 22 extends outwards to form a mounting portion 24 with a flat mounting surface for fixing the water diversion structure 61, the sealing portion 22 cooperates with the water diversion structure 61 on the surface of the scrubbing roller 1 to form a sealed liquid exchange area a, and the upper cover 25 can be clamped at a bayonet (not labeled in the drawing) of the fixing portion 21 and can be detachably connected with the fixing portion. The water diversion structure 61 can be connected with the sealing part 22 on the surface of the scrubbing roller 1 to form water sealing contact.

As a further improved embodiment, as shown in fig. 4 and 7, the first interference part 20 is provided with arc-shaped protruding parts 201 which are more directed to the radial direction of the scrubbing roller 1 at two ends of the scrubbing roller 1, and the interference between the parts of the arc-shaped protruding parts, which are closer to the two ends of the shell, and the scrubbing roller 1 is larger, so that the liquid leakage from the two ends of the cleaning mechanism 2 caused by the fact that the interference between the scrubbing roller and the first interference part is too small even if the scrubbing roller 1 is slightly non-concentric in the process of rotating at a high speed can be ensured. The arcuate projection 201 is offset from the axial direction of the scrub roller 1 and may alternatively be tapered in an arcuate manner in or against the direction of rotation of the scrub roller 1.

As shown in fig. 3, 4, the water diversion structure 61 includes a water diversion portion 611 contacting the surface of the scrubbing roller 1, a water storage portion 614 connected to the water diversion portion 611, guide bars 612 interfering with the surfaces of the two ends of the scrubbing roller 1, and an extension portion 610 having a first gap (not shown in the drawing) between the two surfaces of the scrubbing roller 1, the circumferential end of the water diversion portion 611 is provided with a second interference portion 6111 contacting the surface of the scrubbing roller 1 in a water-tight manner, and the two ends of the length direction of the water diversion portion 611 are respectively provided with guide bars 612 interfering with the surfaces of the two ends of the scrubbing roller 1, namely, the guide bars 612 are partially contacted with the surface of the scrubbing roller 1. The inside of the guide bar 612 is provided with a slope (not shown in the drawing) which has an arc-shaped structure, and the arc-shaped structure of the slope is designed to keep the contact pressure of each part of the slope when the slope contacts the surface of the scrub roller 1 substantially the same. The guide bar 612 extends toward the sealing liquid exchange area a, and has protrusions 6121, which form a sealing liquid exchange area a on the surface of the scrub roller 1 around the first interference portion 20, the second interference portion 2111, the water storage portion 614, and the sealing portion 22 on both sides of the sealing liquid exchange area a. The water storage part 614, the water diversion part 611, the guide strip 612 and the sealing part 22 are matched with the surface of the scrubbing roller 1 to form a sealed liquid exchange area A. The extension portion 610 and the water diversion portion 611 are respectively located at two sides of the water storage portion 614. The water storage portion 614 is fixed in waterproof connection with the sealing portion 22.

As a further improved embodiment, the second interference portion 6111 may have a strip structure, and the contact surface formed by the second interference portion 6111 and the surface of the scrubbing roller 1 is as small as possible, so that the seepage from the second interference portion 6111 can be avoided during the water exchange process, and the rotation resistance of the scrubbing roller 1 during the working process can be reduced, and in addition, the gap length in the circumferential direction of the scrubbing roller 1 can be effectively enlarged, thereby increasing the pressure release area.

As a further improved embodiment, as shown in fig. 2, the water diversion structure 61 includes a water diversion portion 611 contacting with the surface of the scrubbing roller 1, a water storage portion 614 connected with the water diversion portion 611, and an extension portion 610 having a first gap with the surface of the scrubbing roller 1, the circumferential end portion of the water diversion portion 611 is provided with a second interference portion 6111 forming watertight contact with the surface of the scrubbing roller 1, the water diversion portion 611 extends until the upper end 41 and the inner wall of the lower end 42 are clamped by two clamping portions extending from the machine body 4 to two ends, and a complex structure of a guide strip 612 extending at two ends of the length direction of the water diversion portion 611 respectively to interfere the surfaces of the two ends of the scrubbing roller 1 is omitted, so that the difficulty in processing and manufacturing the water diversion structure 61 can be reduced.

As shown in fig. 3 and 4, the cleaning mechanism 2 further includes a first fixing member 62 that is matched with the sealing portion 22 to fix the water diversion structure 61, the upper half portion of the first fixing member 62 near one side surface of the scrubbing roller 1 is provided with an arc structure that is matched with the surface of the scrubbing roller 1, a second gap (not shown in the drawing) that is communicated with the first gap exists between the arc structure and the surface of the scrubbing roller 1, the lower half portion of the first fixing member 62 near one side surface of the scrubbing roller 1 is provided with a third interference portion 621 and a fourth interference portion 622 that are abutted against the surface of the scrubbing roller 1, the lower half portion of the first fixing member 62 near one side surface of the scrubbing roller 1 is provided with an arc surface 623 that is matched with the surface of the scrubbing roller 1, further, the arc surface 623 is provided with a first pressure relief groove G1 with a third interference portion 621 on one side boundary and a second pressure relief groove G2 with a third interference portion 621 on the other side boundary and a fourth interference portion 622 on the other side boundary, wherein the width of the first pressure relief groove G1 pointing to the inner walls of the two clamping portions in the axial direction of the scrub roller 1 is smaller than that of the second pressure relief groove G2, a first pressure relief space (not shown in the drawing) formed between the two ends of the first pressure relief groove G1 and the surface of the scrub roller 1 is obliquely reduced to be flush with the cambered surface 623, the cambered surface 623 is provided with a collapse portion 624 obliquely downward and further away from the surface of the scrub roller 1 along the direction of the first pressure relief groove G1 pointing to the inner walls of the two clamping portions, the second pressure relief groove G2 extends to the inner walls of the two clamping portions in the axial direction of the scrub roller 1, the second pressure relief groove G2, the inner walls of the two clamping portions and part of the surface of the scrub roller 1 are enclosed into a second pressure relief space (not shown in the drawing), the cambered surface 623 forms a second pressure relief left inlet D1 and a second pressure relief right inlet D2 as shown in fig. 5 through the collapse part 624 on the cambered surface 623, and the first gap, the second gap, the first pressure relief space and the second pressure relief space form a complete pressure relief chamber (not labeled in the drawing), and because the first gap, the second gap, the first pressure relief space and the second pressure relief space form a large-area projection on the surface of the scrubbing roller 1, when pressure relief is needed, the air outlet of the pressure relief joint 28 is communicated with the pressure relief chamber through an electromagnetic valve (not labeled in the drawing), so that the pressure is absorbed by the scrubbing roller 1 faster, and the phenomena of bubbles and the like when the pressure is released to the scrubbing roller 1 are avoided.

As a further improved embodiment, as shown in fig. 3 and 4, the first fixing member 62 is of a unitary structure, so that the internal structure of the cleaning mechanism 2 can be further simplified, and the difficulty in processing and manufacturing the cleaning mechanism can be reduced.

As a further improved embodiment, the first fixing member 62 is also detachable into a split structure that can be combined, so that the complex procedure of the individual parts can be further reduced, but the assembly process is slightly increased.

As a further improved embodiment, as shown in fig. 3, the air outlet of the pressure relief joint 28 is directly communicated with the pressure relief chamber, so that the internal structure of the cleaning mechanism 2 can be further simplified, and the processing and manufacturing difficulty of the cleaning mechanism can be reduced.

As a further improved embodiment, as shown in fig. 8, the cleaning mechanism 2 further includes a fourth interference portion 631 of the second fixing member 63 which is formed on the surface of the scrub roller 1 to interfere, and the fourth interference portion 631 may have a stripe-like structure. The fourth interference portion 631 may be provided on the first fixing member 62 or may be provided on another member. If the first fixing member 62 needs to be fixed by the second fixing member 63, the fourth interference portion 631 may be disposed on the second fixing member 63, and the third interference portion 621, the fourth interference portion 631, the water diversion portion 611, the second interference portion 6111, the first pressure release space, the second pressure release space, and the guide strip 612 form a completely closed pressure release chamber, so as to avoid occurrence of bubbles on the surface of the scrub roller 1 when the release pressure is high.

As shown in fig. 8, the fourth interference portion 631 includes a third interference portion outside (not shown) of the scrub roller 1 rotating in the clockwise direction and a third interference portion concave side (not shown) of the scrub roller 1 rotating in the clockwise direction and located inside, and since the fourth interference portion 631 is located closest to the vehicle surface, when the particulate garbage is present, it can be separated from the surface of the scrub roller 1 by the action of the outside of the fourth interference portion and form a gather on the fourth interference portion concave side. When the fourth interference portion 631 is located on the second fixing member 63, it can be easily removed, thereby facilitating cleaning.

As a further improved embodiment, the fourth interference portion 631 may be provided on other components, if necessary, and may be easily removed, thereby facilitating cleaning.

As shown in fig. 3 and 4, the sealing portion 22 forms a V-shaped groove (not shown in the drawings) between the fixing portion 21 and the opposite side away from the first interference portion 20. In order to improve the strength and reduce the mass, a rib 23 is provided between the sealing portion 22 and the fixing portion 21 on the opposite side from the first interference portion 20.

As shown in fig. 2 to 4, the cleaning mechanism 2 further includes a water guiding structure 61 connected to the sealing portion 22 and contacting the surface of the scrub roller 1 to form watertight contact. The water diversion structure 61 comprises a water diversion part 611 contacted with the surface of the scrubbing roller 1, a water storage part 614 connected with the water diversion part, and an extension part 610 provided with a pressure release chamber between the surface of the scrubbing roller 1, wherein the pressure release chamber is communicated with an air outlet of the pressure release joint 28.

As a further improved embodiment, as shown in fig. 3 and 4, a pressure relief cavity 620 is provided between the pressure relief cavity and the pressure cavity (not labeled in the drawings, and may be one of the inner cavities of the container for collecting, filtering and outputting the backwater of the vehicle washing and scrubbing device), and a pressure relief exhaust port 6201 is provided between the pressure relief cavity 620 and the first pressure relief space. The surface area of the scrubbing roller 1 forming a part of the pressure release cavity is larger than that of the scrubbing roller 1 forming a part of the sealed liquid exchange area A, and the pressure release can be easily carried out due to the fact that the surface area of the scrubbing roller 1 is smaller and the generated air is limited, and the surface area of the pressure release cavity is larger.

As shown in fig. 2 and 3, the water diversion part 611 extends into the sealing liquid exchange area a, the part of the water diversion part 611 close to the sealing liquid exchange area a is in contact with the surface 1 of the scrubbing roller, and a gap is arranged between the part of the water diversion part 611 far from the sealing liquid exchange area a and the surface 1 of the scrubbing roller. The cross section of the sealing liquid exchange area along the length vertical direction is in a circular arc shape, and the circular arc shape comprises a C shape.

As a further improved embodiment, as shown in fig. 4 and 7, the two ends of the first interference part 20 are respectively provided with a protrusion 201, the extrusion force of the protrusion 201 formed on the surface of the scrubbing roller 1 is smaller than or equal to that of the first interference part 20, and the protrusion 201 can prevent the liquid on two sides of the scrubbing roller 1 from exuding outwards during the water squeezing.

As a further improved embodiment, as shown in fig. 4 and 7, the protrusion 201 is not aligned with the first interference portion 20 in the longitudinal direction, preferably protrudes into the sealed liquid exchanging area a, so that the extruded liquid can be gathered toward the middle, and the two sides can be prevented from oozing out.

As shown in fig. 3 and 8, the straight portion 616 of the water diversion structure 61 is provided with a plurality of through holes (not shown in the drawings), the top of the first fixing member 62 is provided with a plurality of nut posts (not shown in the drawings), the nut posts are matched with the through holes, and then fastening screws are driven into the plurality of nut posts on the top of the first fixing member 62 from the mounting portion 24 of the cleaning structure 2 downward through the top of the straight portion 616 of the water diversion structure 61, so that the installation of the large component part of the cleaning structure 2 can be realized. Further, the second fixing member 63 may be detachably connected to the first fixing member 62 by an interference fit from a lower opening (not shown) of the first fixing member 62. In order to facilitate disassembly and assembly, a gap (not shown in the drawing) is reserved between the second fixing piece 63 and the first fixing piece 62, so that a certain space is reserved for compressed air in the interference fit plugging process, and convenience in disassembly and assembly is improved.

As shown in fig. 5 and 7, the clamping portion includes a clamping upper end 41 and a clamping lower end 42, the machine body 4 extends to the upper and lower ends to form the clamping upper end 41 and the clamping lower end 42, and the upper cover 25 covers the machine body 4 to shield the internal concrete structure of the cleaning mechanism 2, so that the maintainability of the vehicle cleaning device is improved, and the outer vertical surface of the vehicle cleaning device is more complete and attractive. The clamping part comprises a clamping upper end 41 and a clamping lower end 42, elastically clamps the scrubbing roller 1, and simultaneously, the water absorption layer 11 of the scrubbing roller 1 is continuously cleaned by providing water while the scrubbing roller 1 is convenient to rotate through the mounting holes in the clamping part and the clamping lower end and the relevant waterway passage. The clamping upper end 41 comprises a clamping upper end face shell 411 and a clamping upper end bottom shell 412, the clamping upper end bottom shell 412 and the machine body 4 are integrally formed, the clamping upper end face shell 411 is detachably buckled or slidably covered on the clamping upper end bottom shell 412, the clamping upper end bottom shell 412 is provided with a scrubbing roller clamping hole (not shown in the drawing) capable of clamping an end button (not shown in the drawing) of the scrubbing roller 1, and the inner side surface of the clamping upper end bottom shell 412, which is clamped with the scrubbing roller 1, is provided with a scrubbing roller sliding step (not shown in the drawing) which is convenient for the scrubbing roller 1 to slide out.

As a further improved embodiment, as shown in fig. 5 and 7, the clamping lower end 42 includes a clamping lower end shell 421 and a clamping lower end shell 422, the clamping lower end shell 422 and the machine body 4 are integrally formed, the clamping lower end shell 421 is detachably buckled or slidingly covered on the clamping lower end shell 422, the clamping lower end shell 422 is provided with a scrubbing roller clamping hole capable of clamping an end button (not labeled in the drawing) of the scrubbing roller 1, and the inner side surface of the clamping lower end shell 422 clamped with the scrubbing roller 1 is provided with a scrubbing roller sliding step convenient for sliding out of the scrubbing roller 1.

As a further improved embodiment, as shown in fig. 2, 3 and 4, a pressure release joint 28 for connecting a pressure release pipeline (not labeled in the drawings) is arranged in the middle of one side of the first fixing piece 62, which is away from the scrubbing roller 1, according to the need, the pressure release joint 28 is provided with an air outlet, when the pressure accumulated in the scrubbing device needs to be released, the air is discharged to a pressure release cavity through the air outlet of the pressure release joint 28 by connecting the pressure release pipeline, and the pressure release cavity releases the accumulated pressure further, so that the pressure release of the accumulated pressure in the scrubbing device is realized.

As a further improved implementation manner, in the above embodiment, the cross section of the first interference portion 20 may be triangular, and the top of the triangle is of a smooth arc structure, so that the resistance generated by the contact surface during interference can be reduced, and the friction loss to the scrub roller 1 can be reduced, and the service life is prolonged.

As a further improved embodiment, as shown in fig. 6, the first fixing member 62 continues to extend in the longitudinal direction at both ends of the third interference portion 621 and simultaneously extends radially upwards along the outer surface of the scrubbing roller 1 to form a water pocket protrusion (not shown in the drawing), and the first fixing member 62 continues to extend at both ends at the water pocket protrusion while the interference with the outer surface of the scrubbing roller 1 gradually decreases to zero until a gap is left between the two to form a collapse section 624. The first fixing member 62 is slightly interference-fitted to the outer surface of the scrubbing roller 1 at the third interference portion 621 and the two water pocket protrusions, and a fine particle garbage collection space G1 for containing fine particle garbage is formed at the lower portion of the second gap (i.e., the first pressure relief groove G1 has a function of fine particle garbage). On the other hand, the outside of the third interference portion 621 (not shown in the drawing) is located closer to the vehicle surface, and when the particulate waste is present and has passed through the second relief groove G2, the particulate waste is separated from the surface of the scrub roller 1 by the action of the outside of the third interference portion (not shown in the drawing), and when the particulate waste is stuck across the highest point of the third interference portion 621 by the viscosity of the water-absorbing layer 11 on the surface of the scrub roller 1 being immersed, the particulate waste is deposited on the concave side of the third interference portion by the impact of the discharged air discharged through the air outlet, accompanied by the infiltration of the sewage squeezed out through the first interference portion 20 again to the water-absorbing layer 11. When the third interference part 621 is located on the second fixing member 63, it can be easily detached, thereby facilitating cleaning of the particulate waste deposited in the fine particulate waste collection space G1. On the other hand, when the fine particle garbage collection space G1 is filled with particle garbage or sewage, the collapse section 624 of the first fixing piece 62 and the surface water absorbing layer 11 of the scrubbing roller 1 leave a gap to form a second pressure relief left inlet D1 and a second pressure relief right inlet D2, and the discharged air is discharged from the second pressure relief left inlet D1 and the second pressure relief right inlet D2 to the second pressure relief space after being blocked by the fine particle garbage collection space G1, so that the secondary discharge of the accumulated pressure in the vehicle cleaning device is realized.

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 solutions described in the foregoing embodiments may be modified or some technical features may be replaced with other technical solutions, which may not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (15)

1. The pressure release mechanism is arranged in the scrubbing head and comprises a first fixing part arranged below a cleaning mechanism in the scrubbing head and a pressure release joint arranged in the middle of the first fixing part, wherein the cleaning mechanism comprises a first interference part which is interfered with a scrubbing roller and is used for extruding sewage and a second interference part which is slightly interfered with the scrubbing roller and is used for guiding the sewage away; the cleaning mechanism is used for continuously cleaning the surface of the part of the scrubbing roller after the surface of the vehicle is scrubbed and keeping the surface humidity of the scrubbing roller, and comprises a sealing liquid exchange area and a pressure relief structure.

2. The pressure relief mechanism of claim 1, wherein the first fixed portion comprises a cambered surface corresponding to the surface of the scrubbing roller and having a gap, a third interference portion abutting the surface of the scrubbing roller, a fourth interference portion, and a pressure relief groove between the three and recessed away from the surface of the scrubbing roller.

3. The pressure relief mechanism of claim 2, wherein the pressure relief groove comprises a first pressure relief groove formed between the arcuate surface and the third interference portion and a second pressure relief groove formed between the third interference portion and the fourth interference portion.

4. A pressure relief mechanism for mounting in a scrubbing head as claimed in claim 3 wherein the first pressure relief groove is upwardly inclined at both ends of the scrubbing roller and terminates at inclined end faces integrally formed with the arcuate surfaces, the junction of the arcuate surfaces continuing to collapse away from the surface of the scrubbing roller in a direction towards both ends of the scrubbing roller to form a collapsed portion, and in operation the pressure to be relieved, after passing over the ends of the first pressure relief groove, continuing to be relieved along a second pressure relief inlet formed in the collapsed portion.

5. The pressure relief mechanism of claim 4, wherein the second pressure relief slot extends all the way to the ends of the scrub roller and the second pressure relief inlet communicates with the second pressure relief slot.

6. A vehicle cleaning apparatus comprising a main body, a cleaning head and a handle connected to the cleaning head, wherein the cleaning head comprises two clamping parts extending from the main body to two ends, a cleaning roller elastically clamped by the two clamping parts, and a cleaning mechanism, the cleaning head comprises a pressure release mechanism installed in the cleaning head according to any one of claims 1 to 5, wherein the cleaning mechanism continuously cleans the surface of the cleaning roller part after cleaning the vehicle surface and maintains the surface humidity of the cleaning roller, and the cleaning mechanism comprises a sealed liquid exchange area with the surface of the cleaning roller.

7. The car washer according to claim 6, wherein the clamping portion comprises a clamping upper end portion and a clamping lower end portion, water delivery channels are formed in the clamping upper end portion and the clamping lower end portion, and the clamping upper end portion and/or the clamping lower end portion are/is provided with clamping holes for clamping the scrubbing roller and sliding-out steps facilitating sliding-out of the scrubbing roller.

8. The scrubbing apparatus as defined in claim 7, wherein said cleaning mechanism includes a first interference portion which forms a squeeze with the surface of the scrubbing roller, the first interference portion being provided with a fixed portion and a sealing portion respectively along both sides of the surface of the scrubbing roller in a circumferential direction, said sealing portion forming a sealed liquid exchange area on the surface of the scrubbing roller.

9. The scrubbing apparatus as defined in claim 8, wherein a V-shaped groove is formed between the sealing portion and the fixing portion on the side opposite from the first interference portion, and a rib is provided between the sealing portion and the fixing portion on the side opposite from the first interference portion.

10. The vehicle cleaning apparatus of claim 8, wherein the cleaning mechanism further comprises a water diverting structure coupled to the seal in contact with the surface of the scrub roller to form a watertight contact.

11. The vehicle cleaning apparatus of claim 10, wherein the water diverting structure comprises a water diverting portion in contact with the surface of the cleaning roller and a water storage portion connected to the contact portion, the water diverting portion extending into the sealed liquid exchange area, the portion of the water diverting portion adjacent the sealed liquid exchange area in contact with the surface of the cleaning roller, and a gap being provided between the portion of the water diverting portion remote from the sealed liquid exchange area and the surface of the cleaning roller.

12. The scrubbing apparatus as defined in claim 11, wherein the water diversion portion includes a second interference portion that interferes with the surface of the scrubbing roller, and a pressure relief gap is provided between the water diversion structure following the second interference portion and the surface of the scrubbing roller.

13. The scrubbing apparatus as defined in claim 12, wherein two ends of the water diversion structure are respectively provided with a guiding strip which is in partial contact with the surface of the scrubbing roller, an inclined plane which can locally press the surface of the scrubbing roller is arranged on the inner side of the guiding strip, and the inclined plane is of an arc-shaped structure.

14. The scrubbing apparatus as defined in claim 8, wherein the first interference portion has protrusions at both ends thereof, respectively, the protrusions forming a pressure on the surface of the scrubbing roller greater than the first interference portion.

15. The scrubbing apparatus of claim 6, wherein said sealed liquid exchange area is circular in cross-section along a length orthogonal direction.

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