阅读说明：本技术 一种旋转风刀 (Rotary air knife ) 是由 徐刚 黄德知 于 2019-08-14 设计创作，主要内容包括：本发明公开了一种旋转风刀,包括机架,所述机架的内腔底端中心位置沿前后方向安装有U形板,所述U形板的左右内壁沿前后方向均开设有滑道,且滑道的两端封闭,所述滑道的内腔中心位置插接有可前后移动的滑块,所述滑块的内侧安装有支撑板,所述支撑板的底端中心位置沿前后方向螺钉连接有齿条,所述支撑板的后侧中心位置焊接有支撑座,所述机架的后侧中心位置焊接有基座,所述基座的底端后侧螺钉连接有减速电机,所述减速电机的输出端安装有圆板,所述圆板的左侧壁顶端通过销轴转动连接有连杆的一端。该旋转风刀,实现扇形吹风,实现汽车的全面吹干,洗车效果强,消费者的满意度上升,大大的满足了洗车的需求。(The invention discloses a rotary air knife which comprises a rack, wherein a U-shaped plate is arranged at the center of the bottom end of an inner cavity of the rack along the front-back direction, slide ways are arranged on the left inner wall and the right inner wall of the U-shaped plate along the front-back direction, the two ends of each slide way are closed, a slide block capable of moving back and forth is inserted at the center of the inner cavity of each slide way, a support plate is arranged on the inner side of each slide block, a rack is connected to the center of the bottom end of each support plate along the front-back direction through a screw, a support seat is welded at the center of the rear side of each support plate, a base is welded at the center of the rear side of the rack, a speed reduction motor is connected to the rear side of the bottom end. This rotatory air knife realizes fan-shaped blowing, realizes the comprehensive of car and weathers, and the carwash effect is strong, and consumer's satisfaction rises, great demand that has satisfied the carwash.)

1. A rotary air knife, comprising a frame (1), characterized in that: the device is characterized in that a U-shaped plate (2) is installed at the center position of the bottom end of an inner cavity of a rack (1) along the front-back direction, slide ways (3) are respectively arranged on the left inner wall and the right inner wall of the U-shaped plate (2) along the front-back direction, the two ends of the slide ways (3) are sealed, a slide block (4) capable of moving back and forth is inserted at the center position of the inner cavity of the slide ways (3), a support plate (5) is installed at the inner side of the slide block (4), a rack (6) is connected at the center position of the bottom end of the support plate (5) along the front-back direction through screws, a support seat (7) is welded at the center position of the rear side of the support plate (5), a base (8) is welded at the center position of the rear side of the rack (1), a speed reduction motor (9) is connected at the screw at the rear side, the other end of connecting rod (11) and the inner chamber of supporting seat (7) pass through the round pin hub connection, the inner wall bottom all is connected with pivot (12) through the bearing rotation about frame (1), the outer wall left and right sides of pivot (12) respectively with the inner ring interference fit of two bearings, the inner wall is respectively with the outer loop fixed connection of two bearings about frame (1), the outer wall central point key of pivot (12) puts and is connected with straight-teeth gear (13) of being connected with rack (6) meshing, the outer wall left and right sides of pivot (12) all interference fit has the one end of otic placode (14), the other end screw connection of otic placode (14) has bottom plate (15), the bottom of bottom plate (15) has first air knife (16) along left and right direction screw connection, the bottom left and right sides screw connection of bottom plate (15) has branch (17) of symmetry setting, the bottom end of the supporting rod (17) is connected with a second air knife (18) through screws, and the two second air knives (18) are bilaterally symmetrical.

2. A rotary air knife according to claim 1, wherein: the center of the bottom end of the frame (1) is connected with an outer cover (19) which is shielded by the straight gear (13) through a screw.

3. A rotary air knife according to claim 1, wherein: the inner cavity of the slide way (3) is in a dovetail groove shape, and the sliding block (4) is connected with the slide way (3) in an adaptive inserting mode.

4. A rotary air knife according to claim 1, wherein: the diameter of the circular plate (10) is equal to one fourth of the dividing circumference of the straight gear (13).

5. A rotary air knife according to claim 1, wherein: the distance between the two second air knives (18) is 220 cm.

Technical Field

The invention relates to the technical field of car washing, in particular to a rotary air knife.

Background

The car washer is a machine which utilizes a computer to control a brush and high-pressure water to automatically wash a car. The method can be divided into the following steps: automatic car washer, self-service car washer, slot car washer. The device mainly comprises a control system, a circuit, an air passage, a water passage and a mechanical structure. The car washer has the characteristics of simple operation, attractive and elegant appearance, small damage to car paint and the like. The automobile service system is widely applied to the automobile service industry in recent years;

Outside washing of car mainly divide into the washing, weather two parts, car washer washing technique is ripe relatively, can realize the comprehensive washing of car, weather and mainly accomplish by the air knife, and at present, car washer air knife is fixed mostly, can't realize nimble rotation, leads to car both sides and end to be difficult to weather, and the carwash effect is poor, has reduced consumer's satisfaction, consequently designs a rotatory air knife at present and satisfies the demand that the car weathered comprehensively.

Disclosure of Invention

the present invention is directed to a rotary air knife to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a rotary air knife comprises a frame, wherein a U-shaped plate is installed at the center position of the bottom end of an inner cavity of the frame along the front-back direction, slide ways are respectively arranged on the left inner wall and the right inner wall of the U-shaped plate along the front-back direction, the two ends of each slide way are sealed, a slide block capable of moving back and forth is inserted at the center position of the inner cavity of each slide way, a support plate is installed at the inner side of each slide block, a rack is connected to the center position of the bottom end of each support plate along the front-back direction through screws, a support seat is welded at the center position of the rear side of each support plate, a base is welded at the center position of the rear side of the frame, a speed reduction motor is connected to the rear side of the bottom end of the base through screws, a circular plate is installed at the output end of the speed reduction motor, the outer wall left and right sides of pivot respectively with the inner ring interference fit of two bearings, the inner wall respectively with the outer loop fixed connection of two bearings about the frame, the outer wall central point of pivot puts the key connection and has the straight-teeth gear of being connected with rack toothing, the equal interference fit in outer wall left and right sides of pivot has the one end of otic placode, the other end screw connection of otic placode has the bottom plate, the bottom of bottom plate has first air knife along controlling direction screw connection, the bottom left and right sides screw connection of bottom plate has the branch that the symmetry set up, the bottom screw connection of branch has the second air knife, and two second air knife bilateral symmetry.

Preferably, a screw at the center of the bottom end of the frame is connected with an outer cover for shielding the straight gear.

Preferably, the inner cavity of the slide way is in a dovetail groove shape, and the slide block is in adaptive insertion connection with the slide way.

preferably, the diameter of the circular plate is equal to one quarter of the circumference of the indexing spur gear.

Preferably, the distance between the two second air knives is 220 cm.

The rotary air knife provided by the invention has the beneficial effects that: during the in-service use, can make the plectane drive the rear end of connecting rod and be clockwise circular motion under gear motor's drive, the front end through the cooperation connecting rod of slide, slider and backup pad can drive rack reciprocating motion all around, can make the first air knife of spur gear drive and second air knife reciprocating swing all around to realize fan-shaped blowing, realize that the car weathers comprehensively, the carwash is strong, consumer's satisfaction rises, great demand that has satisfied the carwash.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the invention at A;

Fig. 3 is a left side cross-sectional view of the present invention.

In the figure: 1. the device comprises a rack, 2, a U-shaped plate, 3, a slide way, 4, a slide block, 5, a support plate, 6, a rack, 7, a support seat, 8, a base, 9, a speed reducing motor, 10, a circular plate, 11, a connecting rod, 12, a rotating shaft, 13, a straight gear, 14, an ear plate, 15, a bottom plate, 16, a first air knife, 17, a support rod, 18, a second air knife, 19 and a housing.

Detailed Description

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a rotary air knife comprises a frame 1, the frame 1 can be fixed on the top of a car washing chamber through bolts and is used for installing the device, a U-shaped plate 2 is installed at the center position of the bottom end of an inner cavity of the frame 1 along the front-back direction, slide ways 3 are respectively arranged on the left inner wall and the right inner wall of the U-shaped plate 2 along the front-back direction, two ends of each slide way 3 are sealed, a support plate 5 is limited through the matching of the slide ways 3 and the slide blocks 4 to ensure that the support plate 5 can move back and forth, the slide blocks 4 capable of moving back and forth are inserted at the center position of the inner cavity of the slide ways 3, the support plate 5 is installed on the inner side of the slide blocks 4, a rack 6 is connected at the center position of the bottom end of the support plate 5 along the front-back direction through screws, when the rack 6 moves back and forth, a straight gear 13 can rotate back and forth in a clockwise, the output end of the speed reducing motor 9 is provided with a circular plate 10, the circular plate 10 and the speed reducing motor 9 coaxially rotate to ensure that the circular plate 10 can do clockwise rotation movement, the top end of the left side wall of the circular plate 10 is rotatably connected with one end of a connecting rod 11 through a pin shaft, the other end of the connecting rod 11 is connected with the inner cavity of a supporting seat 7 through a pin shaft, the bottom ends of the left and right inner walls of a machine frame 1 are rotatably connected with a rotating shaft 12 through bearings, the left and right sides of the outer wall of the rotating shaft 12 are respectively in interference fit with inner rings of two bearings, the left and right inner walls of the machine frame 1 are respectively fixedly connected with outer rings of two bearings, the central position of the outer wall of the rotating shaft 12 is in key connection with a straight gear 13 meshed and connected with a rack 6, the left and right sides of the outer wall of the rotating shaft 12 are respectively in interference fit with one end of an ear plate 14, the air inlets of the first air knife 16 and the second air knife 18 are connected with an air knife fan through air pipes, so that the first air knife 16 and the second air knife 18 can dry the automobile, the left side and the right side of the bottom end of the bottom plate 15 are in screwed connection with symmetrically arranged supporting rods 17, the bottom end of each supporting rod 17 is in screwed connection with the second air knife 18, and the two second air knives 18 are in bilateral symmetry.

The following electric devices have the following types and functions:

the speed reduction motor 9: the model is R107R77, and the speed reducer is controlled by an external operating system and is used for driving the circular plate 10 to rotate clockwise, and when the speed reducing motor 9 does not work, the circular plate 10 is prevented from freely rotating by the speed reducer.

Preferably, a cover 19 for shielding the spur gear 13 is screwed to the center of the bottom end of the frame 1, and the spur gear 13 and the rack 6 are protected by the cover 19, so that lubricating oil smeared on the spur gear 13 and the rack 6 is prevented from dropping on the automobile.

As preferred scheme, still further, the inner chamber of slide 3 is the forked tail flute profile, and slider 4 and slide 3 looks adaptation grafting improve the fixity of slider 4 to backup pad 5.

Preferably, the diameter of the circular plate 10 is equal to one fourth of the circumference of the division of the spur gear 13, and when the circular plate 10 drives the connecting rod 11 to perform clockwise circular motion, the connecting rod 11 drives the supporting plate 5 to move by a maximum distance which can approach the diameter of the circular plate 10, so that the maximum angle at which the rack 6 can drive the spur gear 13 to rotate approaches 90 degrees, and the distance of the swing of the first air knife 16 and the second air knife 18 is ensured to be enough for performing full-face blowing on the automobile.

Preferably, the distance between the two second air knives 18 is 220cm, so that automobiles of different vehicle types can enter from the space between the two second air knives 18, and air blowing and drying can be performed on the automobiles of different vehicle types.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

The frame 1 can be fixed on the top of a car washing chamber by using bolts to hang the device, the first air knife 16 and the second air knife 18 are connected with an air knife fan through an air pipe to provide working power for the first air knife 16 and the second air knife 18, when the device is used, an external power supply of the speed reducing motor 9 is switched on, the speed reducing motor 9 drives the circular plate 10 to drive the rear side of the connecting rod 11 to rotate clockwise circularly, when the connecting rod 11 rotates from 0 degree to 90 degrees, the front end of the connecting rod 11 can push the supporting plate 5 to move forwards under the limiting action of the sliding block 4, so that the rack 6 moves along with the supporting plate 5, when the connecting rod 11 rotates from 90 degrees to 270 degrees, the front end of the connecting rod 11 pulls the supporting plate 5 to move backwards, when the connecting rod 11 rotates 180 degrees again, the connecting rod 11 can push the supporting plate 5 to move forwards and backwards, so that the rack 6 can reciprocate along with the clockwise circular motion of the connecting rod 11, straight-toothed gear 13 can reciprocate clockwise and anticlockwise under the removal of rack 6, because the diameter of plectane 10 equals the quarter of straight-toothed gear 13 graduation girth, thereby make straight-toothed gear 13 pivoted maximum angle be close to 90 degrees, first air knife 16 and second air knife 18 can reciprocate the swing back and forth under the support of pivot 12 and bottom plate 15, first air knife 16 and second air knife 18 are fan-shaped and blow, thereby can weather the car comprehensively, and the use is nimble, is applicable to different motorcycle types, prevents to appear omitting, improves the bulk quality of carwash, more does benefit to the popularization.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.