CN211622778U

CN211622778U - Embedded borderless swimming machine

Info

Publication number: CN211622778U
Application number: CN201922360545.4U
Authority: CN
Inventors: 张德松
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-02
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses an embedded borderless swimming machine, which relates to the technical field of swimming machine devices and comprises a box body which is embedded into the inner wall of a swimming pool and is provided with an opening, wherein the inner cavity of the box body is divided into a water outlet bin and a water inlet bin which can be mutually communicated through a division plate; the opening of the box body is horizontally fixed with the embedded inner wall of the swimming pool through a fixed frame, and the fixed frame comprises an upper window which corresponds to the water outlet bin and is used for water outlet and a lower window which corresponds to the water inlet bin and is used for water inlet; 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.

Description

Embedded borderless swimming machine

Technical Field

The utility model belongs to the technical field of the swimming machine technique and specifically relates to an embedded 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.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art not enough, provide an embedded no border swimming machine, through digging a recess that can be used to inlay the box on the swimming pool inner wall, on being fixed in the wall of notch department with fixed frame through the bolt, reach the fixed purpose of this device, the water suction that will be located the swimming pool bottom through pumping device is to the storehouse of intaking to along the upper strata that goes out the storehouse and export the swimming pool, form the swimming pool hydrologic cycle, reach the purpose that forms the rivers resistance. 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 realize the purpose of the utility model, the utility model provides a following technical scheme:

an embedded borderless swimming machine comprises a box body 1 which is embedded into the inner wall of a swimming pool 17 and is provided with an opening, wherein the inner cavity of the box body 1 is divided into a water outlet bin 1-3 and a water inlet bin 1-4 which can be mutually communicated through a partition plate 2; the opening of the box body 1 is horizontally fixed with the inner wall of the embedded swimming pool 17 through a fixed frame 3, and the fixed frame 3 comprises an upper window 3-1 corresponding to the water outlet bin 1-3 and used for water outlet and a lower window 3-2 corresponding to the water inlet bin 1-4 and used for water inlet; 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 bins 1-4 and outputting the water to the upper layer of the swimming pool 17 along the water outlet bins 1-3 to form water circulation of the swimming pool; the water pumping devices 1-3 are controlled by a main control electric box 5.

Preferably, the water pumping device 4 comprises a motor 4-1 and a blade 4-3 directly connected with a rotating shaft of the motor 4-1, and the blade 4-3 is driven by the motor 4-1 to rotate clockwise or anticlockwise; the paddle 4-3 is positioned in the water outlet bin 1-3.

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 1-4.

Preferably, a semi-closed motor installation groove 1-2 used for hiding the motor 4-1 is formed in the bottom of the box body 1, the motor 4-1 is fixed with a rear cover plate 1-1 of the box body 1, and a rotating shaft of the motor 4-1 penetrates through the rear cover plate 1-1 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 is arranged on the rear cover plate 1-1 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 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, 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 4-4 connection; 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 Y-shaped cover body 4-7, and a sealed cavity is formed between the Y-shaped cover body 4-7 and the rear cover plate 1-1.

Preferably, a semi-closed motor installation groove 1-2 used for hiding the motor 4-1 is formed in the bottom of the box body 1, the motor 4-1 is fixed with a rear cover plate 1-1 of the box body 1, and a rotating shaft of the motor 4-1 penetrates through the rear cover plate 1-1 and is connected with a first three-rail belt pulley 4-11; three mutually symmetrical transmission bearing fixing and supporting seats 4-5 are arranged on the rear cover plate 1-1 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, 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 claw-shaped cover body, and a sealing cavity is formed between the claw-shaped cover body and the rear cover plate 1-1.

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 arranged in the cavity along the water outlet bin 1-3, and the outer side of the flow equalizer 7 is clamped through the upper window 3-1; a water inlet protective net 8 is arranged along the lower window 3-2, and the water inlet protective net 8 is fixed with the lower window 3-2 through a bolt 9.

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, four groups of mutually symmetrical waist-groove-shaped meshes 8-1 which are arranged in a matrix are arranged on the water inlet protective net 8, and the length of each waist-groove-shaped mesh 8-1 is 50-100 mm, and the width of each waist-groove-shaped mesh is 2-5 mm.

Advantageous effects

The utility model provides an embedded no border swimming machine can be used to inlay the recess of establishing the box through digging one on the swimming pool inner wall, is fixed in the wall of notch department with fixed frame through the bolt on, reaches the fixed purpose of this device, will be located the water suction of swimming pool bottom to the storehouse of intaking through pumping device to the upper strata of swimming pool is exported along the storehouse of going out, forms the swimming pool hydrologic cycle, reaches the purpose that forms the rivers resistance. The device has the following advantages:

1. the installation is convenient, and the swimming pool is suitable for refitting various swimming pools on the market;

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 needed to be 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 an embedded swimming machine without a boundary according to the present invention;

fig. 2 is a second perspective view of the embedded swimming machine without a boundary according to the present invention;

fig. 3 is an exploded view of the embedded swimming machine without boundary according to the present invention;

fig. 4 is a schematic structural view of a flow equalizer of the embedded swimming machine without margin according to the present invention;

fig. 5 is a schematic structural view of a first water pumping device of the embedded marginless swimming machine of the present invention;

fig. 6 is a schematic structural view of a second water pumping device of the embedded marginless swimming machine of the present invention;

fig. 7 is a schematic structural view of a third water pumping device of the embedded borderless swimming machine of the present invention;

fig. 8 is a schematic view of an installation structure of an air injection device of an embedded swimming machine without a boundary according to the present invention;

fig. 9 is an installation schematic diagram of the embedded borderless swimming machine according to the present invention;

fig. 10 is a schematic view illustrating the usage effect of the embedded borderless swimming machine according to the present invention.

Graphic notation:

1-box body, 1-1-rear cover plate, 1-2-motor mounting groove, 1-3-water outlet bin, 1-4-water inlet bin, 2-partition plate, 3-fixed frame, 3-1-upper window, 3-2-lower window, 4-water pumping device, 4-1-motor, 4-2-rotating shaft, 4-3-blade, 4-4-belt, 4-5-transmission bearing fixed support seat, 4-6-bearing, 4-7-Y-shaped cover body, 4-8-first double-track wheel, 4-9-second double-track wheel, 4-10-third double-track wheel, 4-11-first three-track wheel, 4-12-second three-track wheel, 4-13-third track wheel, 4-14-fourth track wheel, 5-main control electronic box, 5-1-control panel, 5-2-wrist wireless controller, 6-impeller work guide cylinder, 7-uniform flow device, 7-1-cylindrical through hole, 8-water inlet protective screen, 8-1-kidney groove shaped mesh, 9-bolt, 10-U shaped sealing strip, 11-impeller locking bolt, 12-pressing wheel pressing gasket, 13-snap spring, 14-mechanical sealing element, 15-sealing ring, 16-bearing limiting hole snap spring, 17-swimming pool, 18-air injection device, 18-1-air nozzle and 18-2-air valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, an embedded swimming machine without boundary comprises a box body 1 with an opening and used for being embedded into the inner wall of a swimming pool 17, wherein the inner cavity of the box body 1 is divided into an outlet bin 1-3 and an inlet bin 1-4 which can be communicated with each other through a partition plate 2; the opening of the box body 1 is horizontally fixed with the inner wall of the embedded swimming pool 17 through a fixed frame 3, and the fixed frame 3 comprises an upper window 3-1 corresponding to the water outlet bin 1-3 and used for water outlet and a lower window 3-2 corresponding to the water inlet bin 1-4 and used for water inlet; 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 bins 1-4 and outputting the water to the upper layer of the swimming pool 17 along the water outlet bins 1-3 to form water circulation of the swimming pool; the water pumping devices 1-3 are controlled by a main control electric box 5.

Specifically, as shown in fig. 9 and 10, during installation, a groove matched with the box body is pre-drilled on the wall of the swimming pool 17, then the box body is embedded into the groove, and the cable between the main control electric box and the main control electric box can penetrate through the wall structure inside the groove. The fixed frame 3 is then aligned with the opening of the tank 1 and fixed to the tank wall by means of bolts 9. 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 1-4, as the water inlet bin 1-4 is communicated with the water outlet bin 1-3, the water can upwards enter the water outlet bin 1-3 and is output to the upper layer of the water of the swimming pool 17 along the water outlet bin 1-3, the water in the swimming pool 17 integrally forms water circulation in the circulation way, and the swims against the water circulation direction in the upper layer, the purpose of providing the borderless swimming is achieved in sequence.

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 1-4.

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 semi-closed motor installation groove 1-2 for hiding the motor 4-1 is formed along the bottom of the box body 1, the motor 4-1 is fixed with a rear cover plate 1-1 of the box body 1, and a rotating shaft of the motor 4-1 penetrates through the rear cover plate 1-1 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 is arranged on the rear cover plate 1-1 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 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, 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 The belts are connected by 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 Y-shaped cover body 4-7, and a sealed cavity is formed between the Y-shaped cover body 4-7 and the rear cover plate 1-1.

As shown in fig. 3 and 6, a semi-closed motor installation groove 1-2 for hiding the motor 4-1 is formed along the bottom of the box body 1, the motor 4-1 is fixed with a rear cover plate 1-1 of the box body 1, and a rotating shaft of the motor 4-1 penetrates through the rear cover plate 1-1 and is connected with a first third track belt pulley 4-11; three mutually symmetrical transmission bearing fixing and supporting seats 4-5 are arranged on the rear cover plate 1-1 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, 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 by a claw-shaped cover body, and a sealing cavity is formed between the claw-shaped cover body (not marked in the figure) and the rear cover plate 1-1.

In a second specific device structure, as shown in fig. 3 and 7, the water pumping device 4 comprises a motor 4-1 and a blade 4-3 directly connected with a rotating shaft of the motor 4-1, wherein the blade 4-3 is driven by the motor 4-1 to rotate clockwise or counterclockwise; the paddle 4-3 is positioned in the water outlet bin 1-3.

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, so that the waterproof performance is higher.

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 prevent water flow output by the water outlet bin 1-3 from escaping back to the water inlet bin.

As shown in fig. 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 work 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 in the cavity along the water outlet bin 1-3, and the outer side of the flow equalizer 7 is clamped through the upper window 3-1; a water inlet protective net 8 is arranged along the lower window 3-2, and the water inlet protective net 8 is fixed with the lower window 3-2 through a bolt 9.

The water inlet protective net 8 can effectively block pollutants in water in the swimming pool 17 and prevent the pollutants from entering the box body; the water flow equalizer 7 can output water more stably, and the direction of water flow is easy to be uniform.

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.

Four groups of mutually symmetrical waist-groove-shaped meshes 8-1 which are arranged in a matrix are arranged on the water inlet protective net 8, and the length of each waist-groove-shaped mesh 8-1 is 50-100 mm, and the width of each waist-groove-shaped mesh 8-1 is 2-8 mm.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of 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.

Claims

1. An embedded borderless swimming machine is characterized in that: comprises a box body (1) which is embedded into the inner wall of a swimming pool (17) and is provided with an opening, wherein the inner cavity of the box body (1) is divided into a water outlet bin (1-3) and a water inlet bin (1-4) which can be communicated with each other by a partition plate (2); the opening of the box body (1) is horizontally fixed with the inner wall of the embedded swimming pool (17) through a fixed frame (3), and the fixed frame (3) comprises an upper window (3-1) corresponding to the water outlet bin (1-3) and used for water outlet and a lower window (3-2) corresponding to the water inlet bin (1-4) and used for water inlet; 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 (1-4) and outputting the water to the upper layer of the swimming pool (17) along the water outlet bin (1-3) to form water circulation of the swimming pool; the water pumping device (4) is controlled by a main control electric box (5).

2. The embedded borderless swimming machine according to claim 1, characterized in that: the water pumping device (4) comprises a motor (4-1) and a blade (4-3) directly connected with a rotating shaft of the motor (4-1), and the blade (4-3) is driven by the motor (4-1) to rotate clockwise or anticlockwise; the paddle (4-3) is positioned in the water outlet bin (1-3).

3. The embedded 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 (1-3).

4. A built-in marginless swimming machine according to claim 3, characterised in that: a semi-closed motor installation groove (1-2) used for hiding the motor (4-1) is formed in the bottom of the box body (1), the motor (4-1) is fixed with a rear cover plate (1-1) of the box body (1), and a rotating shaft of the motor (4-1) penetrates through the rear cover plate (1-1) 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 (1-1) 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 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 Y-shaped cover body (4-7), and a sealing cavity is formed between the Y-shaped cover body (4-7) and the rear cover plate (1-1).

5. A built-in marginless swimming machine according to claim 3, characterised in that: a semi-closed motor installation groove (1-2) used for hiding the motor (4-1) is formed in the bottom of the box body (1), the motor (4-1) is fixed with a rear cover plate (1-1) of the box body (1), and a rotating shaft of the motor (4-1) penetrates through the rear cover plate (1-1) and is connected with a first three-rail belt pulley (4-11); three mutually symmetrical transmission bearing fixing and supporting seats (4-5) are arranged on the rear cover plate (1-1) 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 claw-shaped cover body, and a sealing cavity is formed between the claw-shaped cover body and the rear cover plate (1-1).

6. A built-in type borderless swimming machine according to claim 4 or 5, 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).

7. The embedded type borderless swimming machine according to claim 6, 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).

8. The embedded borderless swimming machine according to claim 1, characterized in that: a flow equalizer (7) is arranged in the cavity along the water outlet bin (1-3), and the outer side of the flow equalizer (7) is clamped through the upper window (3-1); a water inlet protective net (8) is arranged along the lower window (3-2), and the water inlet protective net (8) is fixed with the lower window (3-2) through a bolt (9).

9. The embedded borderless swimming machine according to claim 8, 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.

10. The embedded borderless swimming machine according to claim 8, characterized in that: four groups of mutually symmetrical waist-groove-shaped meshes (8-1) which are arranged in a matrix are arranged on the water inlet protective net (8), the length of each waist-groove-shaped mesh (8-1) is 50-100 mm, and the width of each waist-groove-shaped mesh is 2-5 mm.