Outdoor multifunctional centrifugal pump

Abstract

The invention relates to the technical field of centrifugal pumps, in particular to an outdoor multifunctional centrifugal pump which comprises a pump body, a driving motor is arranged on one side of the pump body, the pump body is fixedly connected with a transmission shaft through a coupler, the output end of the driving motor is fixedly connected with a driving shaft through the coupler, and the transmission shaft is rotationally sleeved with a rotating block. The driving shaft is rotationally sleeved with the fixing block, the rotating block is rotationally connected with the fixing block, one end of the transmission shaft is fixedly sleeved with a driven flower gear, one end of the driving shaft is fixedly sleeved with a driving flower gear, the driving flower gear and the driven flower gear are in meshing transmission, and a limiting mechanism is arranged on one side of the rotating block and one side of the fixing block. The rotating block is rotationally connected with the fixed block, so that a certain included angle is formed between the rotating block and the fixed block, the maintenance space is vacated, then the pump body and the driving motor are separated, the driving motor or the pump body is convenient to maintain, and the problems that the distance between an existing pump body and the driving motor is short, and maintenance and cleaning work is time-consuming and labor-consuming are solved.

Description

Technical Field

[0001] The invention relates to the technical field of centrifugal pumps, in particular to a multifunctional outdoor centrifugal pump. Background Art

[0002] The centrifugal pump works by using the rotation of the impeller to make the water centrifugal. Before starting the water pump, the pump casing and the water suction pipe must be filled with water, and then the motor is started, so that the pump shaft drives the impeller and water to rotate at high speed. The water undergoes centrifugal motion and is thrown to the outer edge of the impeller, and flows into the water pressure pipeline of the water pump through the flow channel of the volute pump casing.

[0003] In the prior art, a patent with publication number CN213928752U and title "A New Multifunctional Centrifugal Pump" was retrieved, which includes a bottom plate, a first motor is arranged at the top of the bottom plate, a second motor is arranged at the top of the bottom plate and on one side of the first motor, a connecting cavity is fixedly connected to the side wall of the second motor, a chamber is fixedly connected to the side wall of the connecting cavity, a water outlet pipe is arranged above the chamber, and a water inlet pipe is penetrated through the side wall of the chamber; a rotating shaft is extended at one end of the first motor and extends inside the chamber, a first impeller is fixedly connected to one end of the rotating shaft, and a first impeller is arranged directly opposite to the first impeller. The second impeller, the side wall of the rotating shaft and the inside of the chamber are provided with a first sealing block, the side wall of the chamber and the second water outlet are penetrated and provided above the first impeller, the side wall of the chamber and the first water outlet are penetrated and provided above the second impeller, and reverse pumping can be performed according to demand, and forward and reverse pumping can be performed by controlling the first motor and the second motor. Centrifugal pumps mostly work by driving the rotating shaft of the pump body to rotate through a driving motor, and then using the rotation of the impeller to cause the water to undergo centrifugal motion. As shown in the above patent, some prior arts fix the driving motor and the pump body as a whole to make the structure firm and the sealing effect good.

[0004] However, when a centrifugal pump is used outdoors, if a failure occurs in the drive motor or the pump body, the maintenance and cleaning work becomes time-consuming and laborious due to the close distance between the pump body and the drive motor.

[0005] To this end, the present invention proposes a multifunctional outdoor centrifugal pump to solve the problem that the distance between the existing pump body and the drive motor is relatively close, making maintenance and cleaning work time-consuming and laborious. The pump body and the drive motor can be folded apart for easy maintenance. Summary of the invention

[0006] The purpose of the present invention is to provide a multifunctional centrifugal pump for outdoor use, so as to solve the problem in the above background technology that the distance between the existing pump body and the drive motor is relatively close, making maintenance and cleaning work time-consuming and laborious. The pump body and the drive motor can be folded apart for easy maintenance.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a multifunctional centrifugal pump for outdoor use, comprising: a pump body, a drive motor is arranged on one side of the pump body, the pump body is fixedly connected to the transmission shaft through a coupling, and the output end of the drive motor is fixedly connected to the drive shaft through a coupling.

[0008] The transmission shaft is rotatably sleeved in the rotating block, the driving shaft is rotatably sleeved in the fixed block, the rotating block and the fixed block are rotatably connected, one end of the transmission shaft is fixedly sleeved with a driven flower gear, one end of the driving shaft is fixedly sleeved with an active flower gear, and the active flower gear is meshed with the driven flower gear for transmission.

[0009] A limiting mechanism is arranged on one side of the rotating block and the fixed block, and the limiting mechanism includes a limiting column, one end of the limiting column is slidably plugged between the rotating block and the fixed block, and the other end of the limiting column is fixedly connected to the U-shaped plate, a pressure column is slidably sleeved on one side of the U-shaped plate, a limiting rod is slidably plugged at the bottom of the pressure column, and a pressure ring is fixedly sleeved on the top of the pressure column.

[0010] Preferably, the lower surface of the pump body abuts against the upper surface of the base plate, the lower surface of the drive motor is also fixedly connected to the upper surface of the base plate, and universal wheels with brakes are provided at the four corners of the lower surface of the base plate, and the fixed ends of the universal wheels with brakes are fixedly connected to the lower surface of the base plate.

[0011] Preferably, the input end of the pump body is fixedly connected to one end of the transmission shaft through a coupling, the other end of the transmission shaft is fixedly connected to the driven flower gear, one side of the bottom of the rotating block is slidingly connected to the upper surface of the base plate, and the other side of the bottom of the rotating block is fixedly connected to a rotating plate.

[0012] Preferably, a fixed plate is arranged opposite to the rotating plate, the fixed plate is fixedly connected to one side of the bottom of the fixed block, the other side of the bottom of the fixed block is fixedly connected to the upper surface of the bottom plate, and an arc groove starts from the middle of the upper surface of the bottom plate.

[0013] Preferably, an arc frame is fixedly connected in the arc groove, the arc frame is slidably connected to one end of the sliding column, the other end of the sliding column is fixedly connected to the bottom of the moving column, and the top of the moving column is fixedly sleeved on the rotating plate.

[0014] Preferably, a moving gear is provided on the upper side of the sliding column, the moving gear is fixedly sleeved on the moving column, one side of the moving gear is meshed with the fixed gear, the fixed gear is fixedly sleeved on the fixed column, the bottom of the fixed column is fixedly connected to the base plate, the top of the fixed column is fixedly sleeved on the fixed plate, and the fixed column and the moving column are rotatably connected through a connecting plate.

[0015] Preferably, a clamping hole is formed at one end of the bottom of the rotating block and the fixed block away from the arc groove, the clamping hole is slidably connected to one end of the pressure column, and the other end of the pressure column is fixedly connected to the U-shaped plate.

[0016] Preferably, a support plate is provided at the bottom of one side of the U-shaped plate, the upper surface of the support plate is fixedly connected to a limiting rail, four limiting rails are provided and arranged in a rectangular array, and the lower surface of the support plate is fixedly connected to the upper surface of the base plate.

[0017] Preferably, a driving block is slidably connected in the limit rail, and a driven block is slidably connected in the remaining limit rails. One end of the driving block and the driven block are fixedly connected to the limit rod, and the limit rod is slidably connected to the limit hole opened at the bottom of the pressure column.

[0018] Preferably, a limit bearing is fixedly installed on the other end of the driving block, and an adjusting rod is fixedly sleeved on the inner ring of the limit bearing. The adjusting rod is threadedly sleeved in the support seat, and the lower surface of the support seat is fixedly connected to the support plate. A sliding hole is provided on the upper surface of the support plate. The side walls of the driving block and the driven block are both provided with inclined grooves, which are slidably connected to the top of the T-bar, and the bottom of the T-bar is slidably connected to the sliding hole.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. Through the rotational connection between the rotating block and the fixed block, a certain angle is generated between the rotating block and the fixed block, thereby freeing up maintenance space, thereby separating the pump body from the drive motor, making it convenient to repair the drive motor or the pump body, and solving the problem that the distance between the existing pump body and the drive motor is short, making maintenance and cleaning work time-consuming and laborious.

[0021] 2. By setting the limit mechanism, it is convenient to fix the pump body and the drive motor after the maintenance is completed, which is convenient for the next maintenance. At the same time, it also ensures the stability of the transmission, further solving the problem that the distance between the existing pump body and the drive motor is short, making the maintenance and cleaning work time-consuming and laborious. The pump body and the drive motor can be folded apart for easy maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a schematic top view of the overall structure of the present invention;

[0024] Figure 3 It is a bottom view schematic diagram of the overall structure of the present invention;

[0025] Figure 4 It is a side view schematic diagram of the internal structure of the present invention;

[0026] Figure 5 For the present invention Figure 4 A schematic diagram of the structure enlargement in the middle;

[0027] Figure 6 For the present invention Figure 4 Enlarged schematic diagram of the structure at point B in the middle.

[0028] In the figure: 1, pump body; 2, driving motor; 3, coupling; 4, transmission shaft; 5, driving shaft; 6, rotating block; 7, fixed block; 8, driven flower gear; 9, driving flower gear; 10, limit column; 11, U-shaped plate; 12, pressure column; 13, limit rod; 14, pressure ring; 15, bottom plate; 16, universal wheel with brake; 17, rotating plate; 18, fixed plate; 19, arc groove; 20, arc frame; 21, sliding column; 22 , moving column; 23, moving gear; 24, fixed gear; 25, fixed column; 26, connecting plate; 27, clamping hole; 28, supporting plate; 29, limiting rail; 30, driving block; 31, driven block; 32, limiting hole; 33, limiting bearing; 34, adjusting rod; 35, supporting seat; 36, sliding hole; 37, inclined groove; 38, T-bar; 39, U-frame; 40, lifting rod; 41, moving clamp; 42, fixed clamp. DETAILED DESCRIPTION

[0029] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0033] Implemented a: See Figures 1 to 6 The present invention provides a technical solution: a multifunctional centrifugal pump for outdoor use, comprising: a pump body 1, a driving motor 2 is arranged on one side of the pump body 1, the pump body 1 is fixedly connected to the transmission shaft 4 through a coupling 3, the output end of the driving motor 2 is fixedly connected to the driving shaft 5 through the coupling 3, the transmission shaft 4 is rotatably sleeved in the rotating block 6, the driving shaft 5 is rotatably sleeved in the fixed block 7, the rotating block 6 and the fixed block 7 are rotatably connected, one end of the transmission shaft 4 is fixedly sleeved with a driven flower gear 8, one end of the driving shaft 5 is fixedly sleeved with an active flower gear 9, the active flower gear 9 is meshed with the driven flower gear 8 for transmission, a limiting mechanism is arranged on one side of the rotating block 6 and the fixed block 7, the limiting mechanism comprises a limiting column 10, one end of the limiting column 10 is slidably plugged between the rotating block 6 and the fixed block 7, the other end of the limiting column 10 is fixedly connected to the U-shaped plate 11, a pressure column 12 is slidably sleeved on one side of the U-shaped plate 11, a limiting rod 13 is slidably plugged at the bottom of the pressure column 12, and a pressure ring 14 is fixedly sleeved on the top of the pressure column 12.

[0034] When the pump body 1 or the drive motor 2 fails, the limit rod 13 slidably inserted at the bottom of the pressure column 12 is moved outward to release the limit on the pressure column 12, and then the pressure column 12 is pulled upward so that the pressure ring 14 on the pressure column 12 no longer abuts against the U-shaped plate 11, thereby releasing the limit of the U-shaped plate 11, and the U-shaped plate 11 is removed from one side of the rotating block 6 and the fixed block 7, so that the limit column 10 is inserted into the fixed block 7 and the rotating block 6, and then contacts the limit of the rotating block 6 and the fixed block 7. At this time, through the rotation connection between the rotating block 6 and the fixed block 7, the rotating The movable block 6 rotates to the side of the fixed block 7, so that a certain angle is generated between the rotating block 6 and the fixed block 7. During the movement of the rotating block 6, the active flower gear 9 and the driven flower gear 8 are still meshed, thereby ensuring that the entire transmission can be intact after the maintenance is completed, thereby separating the pump body 1 from the drive motor 2, making it convenient to repair the drive motor 2 or the pump body 1, and further solving the problem that the distance between the existing pump body 1 and the drive motor 2 is short, making the maintenance and cleaning work time-consuming and laborious. The pump body 1 and the drive motor 2 can be separated by folding for easy maintenance.

[0035] Embodiment 2: On the basis of embodiment 1, the lower surface of the pump body 1 abuts against the upper surface of the bottom plate 15, and the lower surface of the drive motor 2 is also fixedly connected to the upper surface of the bottom plate 15. The four corners of the lower surface of the bottom plate 15 are provided with braked universal wheels 16, and the fixed ends of the braked universal wheels 16 are fixedly connected to the lower surface of the bottom plate 15. The pump body 1 and the drive motor 2 are stably supported by the bottom plate 15, and the braked universal wheels 16 are fixedly installed at the four corners of the bottom of the bottom plate 15, so as to facilitate the transportation of the entire device outdoors. The input end of the pump body 1 is fixedly connected to one end of the transmission shaft 4 through the coupling 3, and the other end of the transmission shaft 4 is fixedly connected to the driven flower gear 8. One side of the bottom of the rotating block 6 is slidably connected to the upper surface of the bottom plate 15, and the other side of the bottom of the rotating block 6 is fixedly connected to a rotating plate 17. The transmission shaft 4 is slidably installed on the upper surface of the bottom plate 15, and a fixed plate 18 is arranged opposite to the rotating plate 17. The fixed plate 18 is fixedly connected to one side of the bottom of the fixed block 7, and the other side of the bottom of the fixed block 7 is fixed to the bottom plate 15 is fixedly connected, an arc groove 19 is formed in the middle of the upper surface of the bottom plate 15, a fixed plate 18 is fixedly connected to one side of the bottom of the fixed block 7, and the other side of the bottom of the fixed block 7 is fixedly connected to the upper surface of the bottom plate 15, an arc frame 20 is fixedly connected in the arc groove 19, the arc frame 20 is slidably connected to one end of the sliding column 21, and the other end of the sliding column 21 is fixedly connected to the bottom of the moving column 22, and the top of the moving column 22 is fixedly sleeved on the rotating plate 17, and the arc groove 19 is formed at the bottom of the bottom plate 15. The groove 19 limits the arc frame 20, and the arc frame 20 limits the sliding column 21. A moving gear 23 is provided on the upper side of the sliding column 21. The moving gear 23 is fixedly sleeved on the moving column 22. One side of the moving gear 23 is meshed with the fixed gear 24. The fixed gear 24 is fixedly sleeved on the fixed column 25. The bottom of the fixed column 25 is fixedly connected to the bottom plate 15. The top of the fixed column 25 is fixedly sleeved on the fixed plate 18. The fixed column 25 and the moving column 22 are rotatably connected through the connecting plate 26.

[0036] The output end of the driving motor 2 is fixedly connected to one end of the driving shaft 5 through the coupling 3. The driving shaft 5 drives the active flower gear 9 at the other end to rotate under the limit of the fixed block 7, and the active flower gear 9 is meshed with the driven flower gear 8, thereby driving the transmission shaft 4 to move. The transmission shaft 4 rotates under the limit of the rotating block 6, and drives the pump body 1 to operate under the connection action of the coupling 3. When the pump body 1 or the driving motor 2 fails during outdoor use, the limit between the rotating block 6 and the fixed block 7 is first released by the limiting mechanism, so as to facilitate the adjustment between the pump body 1 and the driving motor 2. By moving the rotating block 6 away from the support plate 28, the rotating block 6 drives the rotating plate 17 to move, and the rotating plate 17 drives the connecting column 22 under the connection action of the movable column 22. The connecting plate 26 rotates around the fixed column 25, and at the same time, the sliding column 21 installed at the bottom of the moving column 22 slides under the limit of the arc groove 19, and the moving gear 23 is meshed with the fixed gear 24. While the rotating block 6 and the fixed block 7 rotate, the active flower gear 9 and the driven flower gear 8 are always kept in meshing, thereby ensuring the stability during the rotation process, and also ensuring the normal operation of the subsequent transmission, and then through the rotation between the rotating block 6 and the fixed block 7, the drive motor 2 and the pump body 1 are separated, which is convenient for the maintenance of the drive motor 2 or the pump body 1, and further solves the problem that the distance between the existing pump body 1 and the drive motor 2 is short, making the maintenance and cleaning work time-consuming and laborious, and the pump body 1 and the drive motor 2 can be separated by folding for easy maintenance.

[0037] Embodiment 3: On the basis of embodiment 2, a clamping hole 27 is provided at the bottom of the rotating block 6 and the fixed block 7 away from the end of the arc groove 19, the clamping hole 27 is slidably connected to one end of the pressure column 12, and the other end of the pressure column 12 is fixedly connected to the U-shaped plate 11. A clamping hole 27 is provided on the upper surface of the rotating block 6 and the fixed block 7 near the support plate 28. The opening of the clamping hole 27 facilitates the clamping of the limit column 10. A support plate 28 is provided at the bottom of one side of the U-shaped plate 11. The upper surface of the support plate 28 is fixedly connected to the limit rail 29. Four limit rails 29 are provided and arranged in a rectangular array. The lower surface of the support plate 28 It is fixedly connected to the upper surface of the bottom plate 15, one side of the U-shaped plate 11 is fixedly connected to the limiting column 10, and the other side of the U-shaped plate 11 is provided with a through hole as large as the pressure column 12, so as to facilitate the insertion of the pressure column 12, the support plate 28 is fixedly installed on the upper surface of the bottom plate 15, two support plates 28 are provided and arranged symmetrically, and the limiting rails 29 are fixedly installed on the upper surface of the support plate 28, and a total of four are provided, one of which is slidably connected to the driving block 30, and the other three limiting rails 29 are slidably connected to the driven block 31, one of the limiting rails 29 is slidably connected to the driving block 30, and the remaining A driven block 31 is slidably connected in the limit rail 29, one end of the driving block 30 and the driven block 31 are fixedly connected to the limit rod 13, the limit rod 13 is slidably connected to the limit hole 32 opened at the bottom of the pressure column 12, and the other end of the driving block 30 is fixedly installed with a limit bearing 33, the inner ring of the limit bearing 33 is fixedly sleeved with an adjusting rod 34, and the adjusting rod 34 is threadedly sleeved in the support seat 35, the lower surface of the support seat 35 is fixedly connected to the support plate 28, and the upper surface of the support plate 28 is provided with a sliding hole 36, and the side walls of the driving block 30 and the driven block 31 are provided with an inclined groove 37, and the inclined groove 37 is connected to the T-shaped The tops of the rods 38 are slidably connected, the bottom of the T-rod 38 is slidably connected to the sliding hole 36, the part of the adjusting rod 34 fixedly sleeved in the limit bearing 33 is a smooth rod, and the outer ring surface of the remaining part is threaded, the limit bearing 33 is fixedly installed on one side of the driving block 30 and adopts an installation method in which the inner ring rotates and the outer ring is fixed, the adjusting rod 34 is threadedly connected to the support seat 35, four T-rods 38 are provided, and the T-rod 38 is slidably connected to the inclined grooves 37 opened on the side walls of the driving block 30 and the driven block 31, and the inclined grooves 37 are opened on the driving block 30 and the driven block 31 in an up and down staggered manner.

[0038] After the pump body 1 or the drive motor 2 is repaired, the rotating block 6 is moved in the opposite direction to make the connecting plate 26, the fixed plate 18 and the rotating plate 17 collinear. At this time, the U-shaped plate 11 is placed on the side of the rotating block 6 and the fixed block 7 close to the upper surface of the support plate 28, so that the limit column 10 on one side of the U-shaped plate 11 is inserted into the clamping hole 27, and the other side of the U-shaped plate 11 is placed on the upper side of the driving block 30 and the driven block 31. Then, the pressure column 12 is inserted into the through hole opened on the U-shaped plate 11, so that the pressure column 1 2 is in contact with the upper surface of the bottom plate 15, and then, the hand wheel at one end of the adjusting rod 34 is twisted to drive the adjusting rod 34 to rotate. Since the adjusting rod 34 is threadedly connected to the support seat 35, the adjusting rod 34 moves toward the direction close to the rotating block 6 and the fixed block 7, thereby driving the driving block 30 to move synchronously under the connection of the limiting bearing 33, so that the limiting rod 13 fixedly connected at one end of the driving block 30 is inserted into the limiting hole 32 opened at the bottom of the pressure column 12, and the driving block 30 The movement of the lever 37 will slide between the inclined slot 37 and the T-bar 38, so that the T-bar 38 slides under the limit of the sliding hole 36, and then the T-bar 38 slides between the inclined slot 37 and the driven block 31, driving the synchronous movement of the driven block 31, so that the driving block 30 and the driven block 31 are synchronously inserted into the limiting hole 32 until the limiting rod 13 is completely inserted into the limiting hole 32, thereby limiting the pressure column 12, and the pressure column 12 limits the U-shaped plate 11 through the pressure ring 14, and the U-shaped plate 11 limits the fixed block 7 and the rotating block 6 through the cooperation of the limiting column 10 and the card hole 27, so that it is convenient to fix the pump body 1 and the driving motor 2 after the maintenance is completed, which is convenient for the next maintenance, and also ensures the stability of the transmission, further solves the problem that the distance between the existing pump body 1 and the driving motor 2 is short, making the maintenance and cleaning work time-consuming and laborious, and can make the pump body 1 and the driving motor 2 separate by folding, which is convenient for maintenance.

[0039] Embodiment 4: Based on embodiment 3, a U-shaped frame 39 is provided on one side of the pump body 1, a lifting rod 40 is threadedly connected to the top of the U-shaped frame 39, the bottom of the lifting rod 40 is fixedly connected to the movable clamp 41, the bottom of the movable clamp 41 abuts against the fixed clamp 42, and the bottom of the fixed clamp 42 is fixedly connected to the bottom plate 15.

[0040] By twisting the hand wheel provided on the top of the lifting rod 40, the lifting rod 40 can be driven to move up and down in the U-shaped frame 39, thereby driving the movable clamp 41 to move, and then the movable clamp 41 is close to the fixed clamp 42 to support the pipeline, thereby improving the stability of the pipeline during transportation. On the one hand, the stability of the entire device during operation is enhanced and the shaking of the entire device is reduced. On the other hand, it is convenient for quick disassembly and assembly of the pipeline, and thus easy for maintenance, further solving the problem that the distance between the existing pump body 1 and the drive motor 2 is short, making the maintenance and cleaning work time-consuming and laborious. The pump body 1 and the drive motor 2 can be separated by folding for easy maintenance.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional centrifugal pump for outdoor use, comprising a pump body (1), characterized in that: A drive motor (2) is disposed on one side of the pump body (1); the pump body (1) is fixedly connected to a transmission shaft (4) via a coupling (3); and an output end of the drive motor (2) is fixedly connected to a drive shaft (5) via a coupling (3): The transmission shaft (4) is rotatably sleeved in the rotating block (6), the driving shaft (5) is rotatably sleeved in the fixed block (7), the rotating block (6) and the fixed block (7) are rotatably connected, one end of the transmission shaft (4) is fixedly sleeved with a driven flower gear (8), one end of the driving shaft (5) is fixedly sleeved with a driving flower gear (9), and the driving flower gear (9) and the driven flower gear (8) are meshed for transmission; A limiting mechanism is provided on one side of the rotating block (6) and the fixed block (7), and the limiting mechanism comprises a limiting column (10). One end of the limiting column (10) is slidably plugged between the rotating block (6) and the fixed block (7), and the other end of the limiting column (10) is fixedly connected to the U-shaped plate (11). A pressure column (12) is slidably sleeved on one side of the U-shaped plate (11), a limiting rod (13) is slidably plugged at the bottom of the pressure column (12), and a pressure ring (14) is fixedly sleeved on the top of the pressure column (12).

2. A multifunctional outdoor centrifugal pump according to claim 1, characterized in that: The lower surface of the pump body (1) is in contact with the upper surface of the bottom plate (15), the lower surface of the drive motor (2) is also fixedly connected to the upper surface of the bottom plate (15), and universal wheels (16) with brakes are provided at four corners of the lower surface of the bottom plate (15), and the fixed ends of the universal wheels (16) with brakes are fixedly connected to the lower surface of the bottom plate (15).

3. A multifunctional outdoor centrifugal pump according to claim 2, characterized in that: The input end of the pump body (1) is fixedly connected to one end of the transmission shaft (4) via a coupling (3); the other end of the transmission shaft (4) is fixedly connected to a driven flower gear (8); one side of the bottom of the rotating block (6) is slidably connected to the upper surface of the bottom plate (15); and the other side of the bottom of the rotating block (6) is fixedly connected to a rotating plate (17).

4. A multifunctional outdoor centrifugal pump according to claim 3, characterized in that: A fixed plate (18) is arranged opposite to the rotating plate (17). The fixed plate (18) is fixedly connected to one side of the bottom of the fixed block (7). The other side of the bottom of the fixed block (7) is fixedly connected to the upper surface of the bottom plate (15). An arc groove (19) is formed starting from the middle of the upper surface of the bottom plate (15).

5. A multifunctional outdoor centrifugal pump according to claim 4, characterized in that: An arc frame (20) is fixedly connected in the arc groove (19), the arc frame (20) is slidably connected to one end of a sliding column (21), the other end of the sliding column (21) is fixedly connected to the bottom of a moving column (22), and the top of the moving column (22) is fixedly sleeved on the rotating plate (17).

6. A multifunctional centrifugal pump for outdoor use according to claim 5, characterized in that: A moving gear (23) is arranged on the upper side of the sliding column (21). The moving gear (23) is fixedly sleeved on the moving column (22). One side of the moving gear (23) is meshed with a fixed gear (24). The fixed gear (24) is fixedly sleeved on a fixed column (25). The bottom of the fixed column (25) is fixedly connected to the bottom plate (15). The top of the fixed column (25) is fixedly sleeved on the fixed plate (18). The fixed column (25) and the moving column (22) are rotatably connected via a connecting plate (26).

7. The multifunctional centrifugal pump for outdoor use according to claim 1, characterized in that: The bottom of the rotating block (6) and the fixed block (7) is provided with a clamping hole (27) at one end away from the arc groove (19), the clamping hole (27) is slidably connected to one end of the pressure column (12), and the other end of the pressure column (12) is fixedly connected to the U-shaped plate (11).

8. The multifunctional outdoor centrifugal pump according to claim 7, characterized in that: A support plate (28) is provided at the bottom of one side of the U-shaped plate (11); the upper surface of the support plate (28) is fixedly connected to a limit rail (29); four limit rails (29) are provided and arranged in a rectangular array; the lower surface of the support plate (28) is fixedly connected to the upper surface of the bottom plate (15).

9. The multifunctional outdoor centrifugal pump according to claim 8, characterized in that: A driving block (30) is slidably connected in one of the limiting rails (29), and a driven block (31) is slidably connected in the other limiting rails (29). One end of the driving block (30) and the driven block (31) are fixedly connected to the limiting rod (13), and the limiting rod (13) is slidably connected to a limiting hole (32) opened at the bottom of the pressure column (12).

10. The multifunctional centrifugal pump for outdoor use according to claim 9, characterized in that: The other end of the driving block (30) is fixedly mounted with a limit bearing (33), the inner ring of the limit bearing (33) is fixedly sleeved with an adjusting rod (34), the adjusting rod (34) is threadedly sleeved in a support seat (35), the lower surface of the support seat (35) is fixedly connected to the support plate (28), the upper surface of the support plate (28) is provided with a sliding hole (36), the side walls of the driving block (30) and the driven block (31) are both provided with an inclined groove (37), the inclined groove (37) is slidably connected to the top of the T-shaped rod (38), and the bottom of the T-shaped rod (38) is slidably connected to the sliding hole (36).

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