阅读说明：本技术 一种壁挂式无边际游泳机 (Wall-mounted borderless swimming machine ) 是由 张德松 于 2019-12-25 设计创作，主要内容包括：本发明公开了一种壁挂式无边际游泳机,涉及游泳机装置技术领域,包括用于与泳池内壁水平固定的半封闭式箱体,所述箱体的内腔通过分隔板分隔为可相互连通的出水仓和进水仓；所述进水仓对应的所述箱体开口处为斜面,通过带有网孔的防护面板密封；所述箱体内腔中设置有抽水装置,用于将泳池下层的水抽进所述进水仓,并沿所述出水仓输出到泳池上层,构成泳池水循环；所述抽水装置通过主控电箱控制。本装置结构简单,安装方便,适用于市面上各种泳池的安装使用。(The invention discloses a wall-mounted borderless swimming machine, which relates to the technical field of swimming machine devices and comprises a semi-closed box body horizontally fixed with the inner wall of a swimming pool, wherein the inner cavity of the box body is divided into a water outlet bin and a water inlet bin which can be communicated with each other through a partition plate; the opening of the box body corresponding to the water inlet bin is an inclined plane and is sealed by a protective panel with meshes; a water pumping device is arranged in the inner cavity of the box body and is used for pumping water at the lower layer of the swimming pool into the water inlet bin and outputting the water to the upper layer of the swimming pool along the water outlet bin to form water circulation of the swimming pool; the water pumping device is controlled by the main control electric box. The device has simple structure and convenient installation, and is suitable for the installation and use of various swimming pools on the market.)

1. A wall-hanging no border swimming machine which characterized in that: comprises a semi-closed box body (1) horizontally fixed with the inner wall of a swimming pool (17), wherein the inner cavity of the box body (1) is divided into a water outlet bin (1-1) and a water inlet bin (1-2) which can be communicated with each other through a partition plate (2); the opening of the box body (1) corresponding to the water inlet bin (1-2) is an inclined plane and is sealed by a protective panel (8) with meshes (8-1); a water pumping device (4) is arranged in the inner cavity of the box body (1) and is used for pumping water at the lower layer of the swimming pool into the water inlet bin (1-2) and outputting the water to the upper layer of the swimming pool (17) along the water outlet bin (1-1) to form water circulation of the swimming pool; the water pumping device (4) is controlled by a main control electric box (5).

2. The wall-mounted borderless swimming machine according to claim 1, characterized in that: the water pumping device (4) comprises a motor (4-1) and a paddle (4-3) with a rotating shaft (4-2), and the motor (4-1) drives the rotating shaft (4-2) through a belt (4-4) to drive the paddle (4-3) to rotate clockwise or anticlockwise; the paddle (4-3) is positioned in the water outlet bin (1-1).

3. A wall-mounted borderless swimming machine according to claim 2, characterized in that: a motor installation box (3) used for hiding the motor (4-1) is arranged along the top of the box body (1), a motor support plate (3-1) used for fixing the motor (4-1) is arranged in the motor installation box (3), the motor support plate (3-1) is horizontal to a rear cover plate (1-3) of the box body (1), and a rotating shaft of the motor (4-1) penetrates through the motor support plate (3-1) and is connected with a first double-track belt pulley (4-8); a group of mutually symmetrical transmission bearing fixing and supporting seats (4-5) are arranged on the rear cover plate (1-3) corresponding to the water outlet bin (1-1), the rotating shaft (4-2) penetrates through the transmission bearing fixing and supporting seats (4-5), the front end of the rotating shaft is connected with the paddle (4-3), the tail end of the rotating shaft is respectively connected with a second double-track belt pulley (4-9) and a third double-track belt pulley (4-10), the outer wall of the rotating shaft (4-2) is fixed with the inner ring of the bearing (4-6), the outer ring of the bearing (4-6) is fixed with the inner wall of the transmission bearing fixing and supporting seat (4-5), the inner track of the first double-track belt pulley (4-8) is connected with the inner track of the second double-track belt pulley (4-9) through a belt (4-4), the outer rail of the first double-rail belt pulley (4-8) is connected with the outer rail of the third double-rail belt pulley (4-10) through a belt (4-4); the first double-track belt pulley (4-8), the second double-track belt pulley (4-9), the third double-track belt pulley (4-10) and the belt (4-4) are hidden through a cover body (4-7), and a sealed cavity is formed between the cover body (4-7) and the motor installation box (3) and between the cover body (4-7) and the rear cover plate (1-3); the cover body (4-7) is used for being fixed with the inner wall of the swimming pool (17).

4. A wall-mounted borderless swimming machine according to claim 2, characterized in that: a motor installation box (3) used for hiding the motor (4-1) is arranged along the top of the box body (1), a motor support plate (3-1) used for fixing the motor (4-1) is arranged in the motor installation box (3), the motor support plate (3-1) is horizontal to a rear cover plate (1-3) of the box body (1), and a rotating shaft of the motor (4-1) penetrates through the motor support plate (3-1) and is connected with a first double-track belt pulley (4-8); three mutually symmetrical transmission bearing fixing and supporting seats (4-5) are arranged on the rear cover plate (1-3) corresponding to the water outlet bin (1-3), the rotating shaft (4-2) penetrates through the transmission bearing fixing and supporting seats (4-5), the front end of the rotating shaft is connected with the paddle (4-3), the tail end of the rotating shaft is respectively connected with a second third track belt pulley (4-12), a third track belt pulley (4-13) and a fourth third track belt pulley (4-14), the outer wall of the rotating shaft (4-2) is fixed with the inner ring of the bearing (4-6), the outer ring of the bearing (4-6) is fixed with the inner wall of the transmission bearing fixing and supporting seat (4-5), the inner track of the first third track belt pulley (4-11) is connected with the inner track of the second third track belt pulley (4-12) through a belt (4-4), the middle rail of the first third rail belt pulley (4-11) is connected with the middle rail of the third rail belt pulley (4-13) through a belt (4-4), and the outer rail of the first third rail belt pulley (4-11) is connected with the outer rail of the fourth third rail belt pulley (4-14) through a belt (4-4); the first third track belt pulley (4-11), the second third track belt pulley (4-12), the third track belt pulley (4-13), the fourth third track belt pulley (4-14) and the belt (4-4) are hidden through a cover body (4-7), and a sealed cavity is formed among the cover body (4-7), the motor installation box (3) and the rear cover plate (1-3); the cover body (4-7) is used for being fixed with the inner wall of the swimming pool (17).

5. A wall mountable borderless swimming machine according to any of claims 3 or 4, characterized in that: the blades (4-3) are sleeved with an impeller working guide cylinder (6) arranged in an inner cavity of the box body (1).

6. The wall-mounted borderless swimming machine according to claim 5, characterized in that: the inner wall of the water outlet bin (1-3) corresponding to the front end of the impeller working guide cylinder (6) is provided with an air injection device (18), and the air injection device (18) comprises a plurality of air nozzles (18-1) attached to the inner wall of the water outlet bin (1-3) and an air valve (18-2) connected with an external air pipe and used for supplying air to the air nozzles (18-1).

7. The wall-mounted borderless swimming machine according to claim 1, characterized in that: a flow equalizer (7) is arranged along the opening of the box body (1) corresponding to the water outlet bin (1-3).

8. The wall-mounted borderless swimming machine according to claim 7, characterized in that: the flow equalizer (7) is a cuboid with a honeycomb-shaped cylindrical through hole (7-1) formed in the whole body, and the inner diameter of the cylindrical through hole (7-1) is 4-10 mm.

9. The wall-mounted borderless swimming machine according to claim 1, characterized in that: the mesh (8-1) has a length of 50 mm-100 mm and a width of 2 mm-8 mm.

10. The wall-mounted borderless swimming machine according to claim 1, characterized in that: the motor installation box is characterized in that waterproof isolation bins (3-2) are arranged on the inner walls of a group of mutually symmetrical side plates (3-5) of the motor installation box (8), one ends of the waterproof isolation bins (3-2) are connected with the motor support plate (3-1), and a plurality of motor heat dissipation holes (3-3) are formed in the side plates (3-5) corresponding to the waterproof isolation bins (3-2).

Technical Field

The invention relates to the technical field of swimming machine devices, in particular to a wall-mounted borderless swimming machine.

Background

At present, swimming has become the first choice of people's motion, and it has numerous benefits to the health, for example swimming can improve the balanced ability of health, strengthen immunity, strengthen bone, lose weight, adjust mood, increase depth of breath and strengthen respiratory organ function, help whole-body blood circulation etc.. The existing swimming pools which can be selected by people for a long time are civil engineering swimming pools, steel plate swimming pools, inflatable swimming pools or SPA molding swimming pools, but the construction and maintenance cost is increased due to large occupied space of the swimming pools. Therefore, the swimming machine has come into operation, and generates a thrust opposite to the advancing direction of the swimmer on the water surface, so that the swimmer is difficult to swim to the other end of the swimming pool on the premise of not influencing the swimming posture, and the borderless swimming is realized. The problems of insufficient size of the swimming pool and high maintenance cost are effectively solved.

However, the existing swimming machines in the market are all connected by pipelines, so that the existing swimming machines are huge in equipment, the structure of the original swimming pool can be damaged during installation, the occupied space is large, the water depth of the swimming pool is also higher in requirement, the energy consumption is large, the noise is large, the sprayed water flow is irregular, the use safety of a swimmer is seriously affected, and certain interference is caused to normal use. The long-term use can form scale in the pipeline, and the cleaning and the maintenance are inconvenient.

Therefore, there is an urgent need for an improvement to solve the above problems.

Disclosure of Invention

The invention provides a wall-mounted type borderless swimming machine aiming at the defects of the prior art, which achieves the purpose of fixing the device by installing a group of hooks on the inner wall of a swimming pool and then connecting a hanging groove arranged on a rear cover body of the device with the hooks. The device has simple structure and convenient installation, and is suitable for the installation and use of various swimming pools on the market.

In order to achieve the above object, the present invention provides the following technical solutions:

a wall-mounted borderless swimming machine comprises a semi-closed box body 1 horizontally fixed with the inner wall of a swimming pool 17, wherein the inner cavity of the box body 1 is divided into a water outlet bin 1-1 and a water inlet bin 1-2 which can be mutually communicated through a partition plate 2; the opening of the box body 1 corresponding to the water inlet bin 1-2 is an inclined plane and is sealed by a protective panel 8 with meshes 8-1; a water pumping device 4 is arranged in the inner cavity of the box body 1 and is used for pumping water at the lower layer of the swimming pool into the water inlet bin 1-2 and outputting the water to the upper layer of the swimming pool 17 along the water outlet bin 1-1 to form water circulation of the swimming pool; the water pumping device 4 is controlled by a main control electric box 5.

Preferably, the water pumping device 4 comprises a motor 4-1 and a blade 4-3 with a rotating shaft 4-2, and the motor 4-1 drives the rotating shaft 4-2 to drive the blade 4-3 to rotate clockwise or anticlockwise through a belt 4-4; the paddle 4-3 is positioned in the water outlet bin 1-1.

Preferably, a motor installation box 3 used for hiding the motor 4-1 is arranged along the top of the box body 1, a motor support plate 3-1 used for fixing the motor 4-1 is arranged in the motor installation box 3, the motor support plate 3-1 is horizontal to a rear cover plate 1-3 of the box body 1, and a rotating shaft of the motor 4-1 penetrates through the motor support plate 3-1 and is connected with a first double-track belt pulley 4-8; a set of mutually symmetrical transmission bearing fixing and supporting seats 4-5 are arranged on the rear cover plate 1-3 corresponding to the water outlet bin 1-1, the rotating shaft 4-2 penetrates through the transmission bearing fixing and supporting seats 4-5, the front end of the rotating shaft is connected with the paddle 4-3, the tail end of the rotating shaft is connected with a second double-track belt pulley 4-9 and a third double-track belt pulley 4-10 respectively, the outer wall of the rotating shaft 4-2 is fixed with the inner ring of the bearing 4-6, the outer ring of the bearing 4-6 is fixed with the inner wall of the transmission bearing fixing and supporting seat 4-5, the inner track of the first double-track belt pulley 4-8 is connected with the inner track of the second double-track belt pulley 4-9 through a belt 4-4, and the outer track of the first double-track belt pulley 4-8 is connected with the outer track of the third double-track belt pulley 4- -4 linkage; the first double-track belt pulley 4-8, the second double-track belt pulley 4-9, the third double-track belt pulley 4-10 and the belt 4-4 are hidden through a cover body 4-7, and a sealed cavity is formed between the cover body 4-7, the motor installation box 3 and the rear cover plate 1-3; the housing 4-7 is adapted to be secured to the inner wall of the pool 17.

Preferably, a motor installation box 3 used for hiding the motor 4-1 is arranged along the top of the box body 1, a motor support plate 3-1 used for fixing the motor 4-1 is arranged in the motor installation box 3, the motor support plate 3-1 is horizontal to a rear cover plate 1-3 of the box body 1, and a rotating shaft of the motor 4-1 penetrates through the motor support plate 3-1 and is connected with a first double-track belt pulley 4-8; three mutually symmetrical transmission bearing fixing and supporting seats 4-5 are arranged on the rear cover plate 1-3 corresponding to the water outlet bin 1-3, the rotating shaft 4-2 penetrates through the transmission bearing fixing and supporting seats 4-5, the front end of the rotating shaft is connected with the paddle 4-3, the tail end of the rotating shaft is respectively connected with a second three-rail belt pulley 4-12, a third three-rail belt pulley 4-13 and a fourth three-rail belt pulley 4-14, the outer wall of the rotating shaft 4-2 is fixed with the inner ring of the bearing 4-6, the outer ring of the bearing 4-6 is fixed with the inner wall of the transmission bearing fixing and supporting seat 4-5, the inner rail of the first three-rail belt pulley 4-11 is connected with the inner rail of the second three-rail belt pulley 4-12 through a belt 4-4, and the middle rail of the first three-rail belt pulley 4-11 is connected with the third three-rail belt pulley 4 13 by means of a belt 4-4, and the outer tracks of the first third track pulley 4-11 and the outer tracks of the fourth third track pulley 4-14 by means of a belt 4-4; the first third track belt pulley 4-11, the second third track belt pulley 4-12, the third track belt pulley 4-13, the fourth track belt pulley 4-14 and the belt 4-4 are hidden by a cover body 4-7, and a sealing cavity is formed between the cover body 4-7 and the motor installation box 3 and between the cover body 4-7 and the rear cover plate 1-3; the housing 4-7 is adapted to be secured to the inner wall of the pool 17.

Preferably, the blades 4-3 are sleeved by an impeller working guide cylinder 6 arranged in the inner cavity of the box body 1.

Preferably, an air injection device 18 is arranged on the inner wall of the water outlet bin 1-3 corresponding to the front end of the impeller working guide cylinder 6, and the air injection device 18 comprises a plurality of air nozzles 18-1 attached to the inner wall of the water outlet bin 1-3 and an air valve 18-2 used for being connected with an external air pipe to supply air to the air nozzles 18-1.

Preferably, a flow equalizer 7 is installed along the opening of the box body 1 corresponding to the water outlet bin 1-3.

Preferably, the flow equalizer 7 is a cuboid with a honeycomb cylindrical through hole 7-1 formed in the whole body, and the inner diameter of the cylindrical through hole 7-1 is 4 mm-10 mm.

Preferably, the mesh 8-1 has a length of 50mm to 100mm and a width of 2mm to 8 mm.

Preferably, the inner walls of a group of mutually symmetrical side plates 3-5 of the motor installation box 8 are provided with waterproof isolation bins 3-2, one end of each waterproof isolation bin 3-2 is connected with the motor support plate 3-1, and a plurality of motor heat dissipation holes 3-3 are formed in the side plates 3-5 corresponding to the waterproof isolation bins 3-2.

Advantageous effects

The invention provides a wall-mounted type borderless swimming machine, which achieves the purpose of fixing a device by installing a group of hooks on the inner wall of a swimming pool and then connecting a hanging groove arranged on a rear cover body of the device with the hooks. The device has the following advantages: 1. the installation is convenient, the swimming pool is suitable for refitting various swimming pools on the market, and the swimming pool does not need to be refitted by secondary operation;

2. the requirement on the depth of the swimming pool is low, and the special space of the equipment is small;

3. the energy consumption of the equipment is low, and the generated noise is also low;

4. the maintenance is convenient, and the modular replacement can be realized;

5. low cost and convenient transportation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a first perspective view of a wall-mounted borderless swimming machine according to the invention;

fig. 2 is a second perspective view of a wall-mounted borderless swimming machine according to the invention;

fig. 3 is an exploded view of a wall-mounted marginless swimming machine according to the present invention;

fig. 4 is a schematic structural view of a flow equalizer of a wall-mounted marginless swimming machine according to the present invention;

fig. 5 is a schematic structural diagram of a first water pumping device of a wall-mounted marginless swimming machine according to the invention;

fig. 6 is a schematic structural view of a second water pumping device of the wall-mounted marginless swimming machine of the invention;

fig. 7 is a schematic view illustrating an installation structure of a first visual angle air injection device of a wall-mounted type borderless swimming machine according to the present invention;

fig. 8 is a schematic view illustrating an installation structure of a second viewing angle air injection device of a wall-mounted marginless swimming machine according to the present invention;

fig. 9 is a schematic view of a wall-mounted borderless swimming machine according to the invention;

fig. 10 is a schematic view illustrating the use effect of the wall-mounted type borderless swimming machine according to the present invention.

Graphic notation:

1-box body, 1-1-water outlet bin, 1-2-water inlet bin, 1-3-rear cover plate, 2-partition plate, 3-motor installation box, 3-1-motor installation support plate, 3-2-waterproof isolation bin, 3-3-motor heat dissipation hole, 3-4-top cover, 3-5-side plate, 4-water pumping device, 4-1-motor, 4-2-rotating shaft, 4-3-blade, 4-4-belt, 4-5-transmission bearing fixing support seat, 4-6-bearing, 4-7-cover body, 4-8-first double-track wheel, 4-9-second double-track wheel, 4-10-third double-track wheel, 4-11-a first three-rail wheel, 4-12-a second three-rail wheel, 4-13-a third three-rail wheel, 4-14-a fourth three-rail wheel, 5-a main control electric box, 5-1-a control panel, 5-2-a wrist wireless controller, 6-an impeller working guide cylinder, 7-a uniform flow device, 7-1-a cylindrical through hole, 8-a protective panel and 8-1-a mesh, 9-kidney-shaped meshes, 10-insulating plates, 11-impeller locking bolts, 12-pinch roller pressing gaskets, 13-snap springs, 14-mechanical sealing parts, 15-sealing rings, 16-bearing limiting hole snap springs, 17-swimming pools, 18-air injection devices, 18-1-air nozzles and 18-2-air valves.

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.

As shown in fig. 1-3, a wall-mounted swimming machine without boundary comprises a semi-closed box body 1 horizontally fixed with the inner wall of a swimming pool 17, wherein the inner cavity of the box body 1 is divided into an outlet bin 1-1 and an inlet bin 1-2 which can be communicated with each other by a partition plate 2; the opening of the box body 1 corresponding to the water inlet bin 1-2 is an inclined plane and is sealed by a protective panel 8 with meshes 8-1; a water pumping device 4 is arranged in the inner cavity of the box body 1 and is used for pumping water at the lower layer of the swimming pool into the water inlet bin 1-2 and outputting the water to the upper layer of the swimming pool 17 along the water outlet bin 1-1 to form water circulation of the swimming pool; the water pumping device 4 is controlled by a main control electric box 5.

Specifically, as shown in fig. 9 and 10, during installation, a set of hooks is installed on the inner wall of the swimming pool 17, and then the rear part of the device is hung on the inner wall of the swimming pool 17 through the hooks, so as to fix the swimming pool 17 to the wall. The water pumping device 4 is controlled to work by pressing a control button of a main control electronic box 5 (the main control electronic box 5 comprises a control panel 5-1 and a wrist type wireless controller 5-2, the control panel 5-1 is also connected with a frequency converter to realize the frequency conversion control of the water pumping device 4, the wrist type wireless controller 5-2 can be worn on an arm to facilitate the convenient regulation and control of a swimmer when in use), the water pumping device 4 pumps water in the lower layer of the swimming pool 17 into a water inlet bin 1-2, as the water inlet bin 1-2 is communicated with the water outlet bin 1-1, the water can upwards enter the water outlet bin 1-1 and is output to the upper layer of the water of the swimming pool 17 along the water outlet bin 1-1, the water in the swimming pool 17 integrally forms water circulation in such circulation, and the swims against the water circulation direction in the upper layer, the purpose of providing the borderless swimming is achieved in sequence. In order to enable water to enter the water inlet bin 1-2 more fully, a plurality of kidney-shaped meshes 9 which can enable water to pass through are arranged on the rear cover plate 1-1 corresponding to the water inlet bin 1-2.

In the device, the water pumping device 4 comprises a motor 4-1 and a blade 4-3 with a rotating shaft 4-2, wherein the motor 4-1 drives the rotating shaft 4-2 to drive the blade 4-3 to rotate clockwise or anticlockwise through a belt 4-4; the paddle 4-3 is positioned in the water outlet bin 1-1.

Specifically, the connection mode between the paddle 4-3 and the rotating shaft 4-2 is as follows: the outer wall of the rotating shaft 4-2 is fixedly provided with a plurality of bearings 4-6, the bearings 4-6 are clamped with the outer rings of the bearings 4-6 and the inner wall of the transmission bearing fixing support seat 4-5 through bearing limiting clamp springs 16, so that the rotating shaft 4-2 can rotate clockwise or anticlockwise relative to the transmission bearing fixing support seat 4-5, the head of the rotating shaft 4-2 is sequentially connected with a mechanical sealing element 14, a clamp spring 13, a paddle 3-2 and an impeller pressing gasket 12, and the paddle 4-2 can rotate along with the rotating shaft through locking of an impeller locking bolt 11.

According to the mechanism of the water pumping device 4, a first specific device structure is provided, as shown in fig. 3 and 5, a motor installation box 3 for hiding the motor 4-1 is arranged along the top of the box body 1, a motor support plate 3-1 for fixing the motor 4-1 is arranged in the motor installation box 3, the motor support plate 3-1 is horizontal to a rear cover plate 1-3 of the box body 1, and a rotating shaft of the motor 4-1 penetrates through the motor support plate 3-1 to be connected with a first double-track belt pulley 4-8; a set of mutually symmetrical transmission bearing fixing and supporting seats 4-5 are arranged on the rear cover plate 1-3 corresponding to the water outlet bin 1-1, the rotating shaft 4-2 penetrates through the transmission bearing fixing and supporting seats 4-5, the front end of the rotating shaft is connected with the paddle 4-3, the tail end of the rotating shaft is connected with a second double-track belt pulley 4-9 and a third double-track belt pulley 4-10 respectively, the outer wall of the rotating shaft 4-2 is fixed with the inner ring of the bearing 4-6, the outer ring of the bearing 4-6 is fixed with the inner wall of the transmission bearing fixing and supporting seat 4-5, the inner track of the first double-track belt pulley 4-8 is connected with the inner track of the second double-track belt pulley 4-9 through a belt 4-4, and the outer track of the first double-track belt pulley 4-8 is connected with the outer track of the third double-track belt pulley 4- -4 linkage; the first double-track belt pulley 4-8, the second double-track belt pulley 4-9, the third double-track belt pulley 4-10 and the belt 4-4 are hidden through a cover body 4-7, and a sealed cavity is formed between the cover body 4-7, the motor installation box 3 and the rear cover plate 1-3; the housing 4-7 is adapted to be secured to the inner wall of the pool 17.

As shown in fig. 3 and 6, a second specific device structure is provided, in which a motor installation box 3 for hiding the motor 4-1 is disposed along the top of the box body 1, a motor support plate 3-1 for fixing the motor 4-1 is disposed in the motor installation box 3, the motor support plate 3-1 is horizontal to a rear cover plate 1-3 of the box body 1, and a rotating shaft of the motor 4-1 penetrates through the motor support plate 3-1 and is connected to a first double-track belt pulley 4-8; three mutually symmetrical transmission bearing fixing and supporting seats 4-5 are arranged on the rear cover plate 1-3 corresponding to the water outlet bin 1-3, the rotating shaft 4-2 penetrates through the transmission bearing fixing and supporting seats 4-5, the front end of the rotating shaft is connected with the paddle 4-3, the tail end of the rotating shaft is respectively connected with a second three-rail belt pulley 4-12, a third three-rail belt pulley 4-13 and a fourth three-rail belt pulley 4-14, the outer wall of the rotating shaft 4-2 is fixed with the inner ring of the bearing 4-6, the outer ring of the bearing 4-6 is fixed with the inner wall of the transmission bearing fixing and supporting seat 4-5, the inner rail of the first three-rail belt pulley 4-11 is connected with the inner rail of the second three-rail belt pulley 4-12 through a belt 4-4, and the middle rail of the first three-rail belt pulley 4-11 is connected with the third three-rail belt pulley 4 13 by means of a belt 4-4, and the outer tracks of the first third track pulley 4-11 and the outer tracks of the fourth third track pulley 4-14 by means of a belt 4-4; the first third track belt pulley 4-11, the second third track belt pulley 4-12, the third track belt pulley 4-13, the fourth track belt pulley 4-14 and the belt 4-4 are hidden by a cover body 4-7, and a sealing cavity is formed between the cover body 4-7 and the motor installation box 3 and between the cover body 4-7 and the rear cover plate 1-3; the housing 4-7 is adapted to be secured to the inner wall of the pool 17.

In the scheme, when the tail end of the rotating shaft 4-2 is connected with the rail wheel, the sealing rings 15 are installed, and the insulating plate 10 for water and electricity insulation isolation is installed between the motor 4-1 and the motor supporting plate 3-1, so that the waterproof performance is higher. When the device is installed, the box body 1 completely invades into water, and the motor installation box 3 is positioned above the water surface. In order to further prevent water from entering the motor installation box 3 to cause motor damage, the inner walls of a group of mutually symmetrical side plates 3-5 of the motor installation box 8 are provided with waterproof isolation bins 3-2, one end of each waterproof isolation bin 3-2 is connected with the motor support plate 3-1, and a plurality of motor heat dissipation holes 3-3 are formed in the side plate 3-5 corresponding to the waterproof isolation bins 3-2.

As the optimization of the device, the blades 4-3 are sleeved by the impeller working guide cylinder 6 arranged in the inner cavity of the box body 1, and the impeller working guide cylinder 6 can ensure that the water in the water outlet bin 1-3 can be output more regularly.

As shown in fig. 7 and 8, an air injection device 18 is arranged along the inner wall of the water outlet bin 1-3 corresponding to the front end of the impeller working guide cylinder 6, and the air injection device 18 comprises a plurality of air nozzles 18-1 attached to the inner wall of the water outlet bin 1-3, and an air valve 18-2 connected with an external air pipe for supplying air to the air nozzles 18-1. Under the action of the paddle 4-2, a certain air pressure is given through the air nozzle 18-1, and the resistance generated by flowing is reduced when the water flow after air mixing is output.

In addition, a flow equalizer 7 is arranged at the opening of the box body 1 corresponding to the water outlet bin 1-3, the flow equalizer 7 is a cuboid with a honeycomb-shaped cylindrical through hole 7-1 formed in the whole body, and the inner diameter of the cylindrical through hole 7-1 is 4 mm-10 mm. The uniform flow device 7 can make the water output more stable, and the direction of the water flow is easy to be uniform.

The protective panel 8 can effectively block floating objects or sundries in the water in the swimming pool 17 and prevent the floating objects or the sundries from entering the box body; the protective panel 8 is provided with a plurality of regularly arranged meshes 8-1, and the meshes 8-1 are 50-100 mm in length and 2-8 mm in width.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.