Environment-friendly energy-saving pump with multi-section supporting and stabilizing pump shaft structure

Abstract

The invention belongs to the technical field of energy-saving pumps, and particularly relates to an environment-friendly energy-saving pump with a multi-section supporting and stabilizing pump shaft structure, which comprises a pump head, a rotating shaft is mounted at the axis in the pump head, a plurality of groups of impellers are mounted on the rotating shaft, the water inlet end of the pump head is connected with a filter cover, and the water outlet end of the pump head is connected with a first lifting pipe. The end, away from the pump head, of the first lifting pipe is connected with a second lifting pipe, and the two ends of the first lifting pipe and the two ends of the second lifting pipe are designed to be flange plates. Through the arrangement of the supporting assembly, in the working process of the transmission shaft, a first conical surface protrusion and a second conical surface protrusion on the lining pipe can be attached to a first limiting ring and a second limiting ring on the limiting pipe all the time under the action of a compression spring, and therefore it is guaranteed that the lining pipe and the limiting pipe are kept coaxial all the time; and therefore, the transmission shaft can be kept in a stable rotating state under the matched limiting action of the lining pipe and the limiting pipe.

Description

Technical Field

[0001] The present invention belongs to the technical field of energy-saving pumps, and in particular relates to an environmentally friendly energy-saving pump with a multi-section supporting and stable pump shaft structure. Background Art

[0002] A pump is a machine that transports fluids or pressurizes fluids. It transfers the mechanical energy of the prime mover or other external energy to the liquid, increasing the energy of the liquid. Pumps are mainly used to transport liquids such as water, oil, acid and alkali liquids, emulsions, suspensions and liquid metals. They can also transport liquid-gas mixtures and liquids containing suspended solids. With the continuous updating and advancement of technology, the types of pumps are gradually increasing. For example, compared with existing pumps, energy-saving pumps solve the technical problems of "high energy consumption and low efficiency" that are common in hot oil circulation systems. Therefore, energy-saving pumps play an important role in drying processes such as textile printing and dyeing, chemical industry, wood construction, medicine, and papermaking.

[0003] The existing energy-saving pump has a long pump body, which results in a relatively long transmission shaft connected to the impeller shaft. This means that when the energy-saving pump is in use, when the motor transmits power to the impeller shaft through the transmission shaft, the transmission shaft will cause the impeller shaft to vibrate due to the vibration generated by the rotation of the motor, thereby affecting the stable operation of the impeller shaft and ultimately affecting the working efficiency of the energy-saving pump.

[0004] Therefore, it is necessary to invent an environmentally friendly and energy-saving pump with a multi-section support and stable pump shaft structure to solve the above problems. Summary of the invention

[0005] In view of the above problems, the present invention provides an environmentally friendly and energy-saving pump with a multi-section supporting and stable pump shaft structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an environmentally friendly and energy-saving pump with a multi-section support and stable pump shaft structure, comprising a pump head, a rotating shaft is installed at the axis center of the pump head, and multiple groups of impellers are installed on the rotating shaft. The water inlet end of the pump head is connected to a filter cover, and the water outlet end of the pump head is connected to a first water pumping pipe, and the end of the first water pumping pipe away from the pump head is connected to a second water pumping pipe, and both ends of the first water pumping pipe and the second water pumping pipe are designed with flanges, and the inner sides of the edges of both ends of the first water pumping pipe and the second water pumping pipe are provided with completely identical annular grooves, and the grooves at both ends of the first water pumping pipe and the second water pumping pipe can be spliced ​​together, and the top of the second water pumping pipe away from the end of the first water pumping pipe is connected to a water outlet elbow, a transmission shaft is arranged in the first water pumping pipe, and a drive shaft is arranged at one end of the transmission shaft away from the rotating shaft, and the two ends of the transmission shaft are respectively connected to the rotating shaft and the drive shaft through couplings, and the end of the drive shaft away from the transmission shaft is connected to a motor coupling, and a support assembly is arranged at the position of the transmission shaft at the connection between the first water pumping pipe and the second water pumping pipe.

[0007] Furthermore, the support assembly includes an inner liner tube, which is movably sleeved on the transmission shaft, and the outer side of the inner liner tube is sleeved with a limiting tube, a positioning ring is provided on the outer side of the limiting tube, and the positioning ring is fixedly installed in two grooves at the connection between the first water pumping pipe and the second water pumping pipe, and a plurality of connecting blocks are fixedly connected between the inner side of the positioning ring and the outer side of the limiting tube, a first limiting ring and a second limiting ring are fixedly connected to the inner wall of the limiting tube, and the inner sides of the first limiting ring and the second limiting ring are both conical designs, and the thickness of the first limiting ring and the second limiting ring gradually becomes thicker toward the direction approaching the rotating shaft, a first conical protrusion and a second conical protrusion are fixedly sleeved on the outer side of the inner liner tube, and the first conical protrusion and the second conical protrusion are respectively rotatably inserted into the inner sides of the first limiting ring and the second limiting ring, and a compression spring is sleeved at a position of the inner liner tube between the first conical protrusion and the second conical protrusion, and the two ends of the compression spring are respectively fixedly connected to the first conical protrusion and the second limiting ring, and a locking assembly is provided at one end of the inner liner tube close to the driving shaft.

[0008] Furthermore, two groups of fixed tubes are distributed in a ring shape on the outer side of the limiting tube, and the two groups of fixed tubes are respectively close to the two ends of the lining tube, and the number of fixed tubes in each group is multiple, and each group of fixed tubes is distributed in a ring shape. The fixed tubes are vertically fixedly connected to the limiting tube, and the interior of the fixed tube is connected to the interior of the limiting tube. The fixed tube is slidably inserted with a support column, and a ball is installed at one end of the support column close to the lining tube, and a shock-absorbing spring is fixedly connected between the other end of the support column and the inner wall of the fixed tube away from the inner lining tube, and the ball can be tightly attached to the surface of the lining tube under the action of the shock-absorbing spring.

[0009] Furthermore, an annular plate is provided at one end of the limiting tube close to the rotating shaft, and the outer diameter of the annular plate matches the inner diameter of the first water pumping pipe. A plurality of L-shaped rods are fixedly connected between the side of the annular plate close to the limiting tube and the outer wall of the limiting tube. A baffle is provided on the side of the annular plate close to the limiting tube, and the outer diameter of the baffle is larger than the inner diameter of the annular plate, and the baffle is movably sleeved on the transmission shaft. An annular impact block is fixedly connected to the side of the baffle close to the limiting tube, and the impact block is movably sleeved on the transmission shaft, and the outer diameter of the impact block is smaller than the inner diameter of the limiting tube. A plurality of limiting rods are vertically slidably inserted through the baffle, and the end of the limiting rod close to the limiting tube is vertically fixedly connected to the limiting tube, and a reset spring is sleeved on the limiting rod, and the two ends of the reset spring are respectively fixedly connected to the limiting tube and the baffle.

[0010] Furthermore, an annular groove is provided on the outer side of the positioning ring, a sealing ring is installed in the annular groove, and the sealing ring can be tightly attached to the connection between the first water pumping pipe and the second water pumping pipe.

[0011] Furthermore, the locking assembly includes a limit sleeve, which is rotatably connected to one end of the inner lining tube close to the driving shaft, and the outer diameter of the limit sleeve matches the inner diameter of the limit tube, and the surface of the limit sleeve is provided with a plurality of positioning grooves along its axial direction, and a plurality of inclined limiting protrusions are evenly distributed in the positioning grooves, and the inclined surfaces of the limiting protrusions face the driving shaft, and deflection grooves are provided at positions of the inner wall of the limit tube opposite to the plurality of positioning grooves, and a spring sheet is provided in the deflection groove, and one end of the spring sheet close to the rotating shaft is fixedly connected to the inner wall of the deflection groove, and the other end of the spring sheet is fixedly connected with an inclined clamping block, and the inclined surface of the inclined clamping block is opposite to the inclined surface of the limiting protrusion, and the inclined clamping block can be clamped together with the limiting protrusion in the corresponding positioning groove under the elastic force of the spring sheet.

[0012] Furthermore, the widths of the first conical surface protrusion and the second conical surface protrusion are respectively greater than the widths of the first limiting ring and the second limiting ring, and the first conical surface protrusion and the second conical surface protrusion are completely fitted together with the first limiting ring and the second limiting ring.

[0013] Furthermore, a protective pad is fixedly connected to one end of the inner liner tube close to the impact block, and in an initial state, the distance between the protective pad and the impact block is less than the maximum compression amount of the return spring.

[0014] Furthermore, a protective shell is sleeved on the free ends of the water outlet elbow, the motor coupling and the second water lifting pipe, and the protective shell is detachably connected to the three.

[0015] Technical effects and advantages of the present invention:

[0016] 1. The present invention is provided with a support assembly. During the operation of the transmission shaft, the first conical protrusion and the second conical protrusion on the inner liner tube can always fit together with the first limiting ring and the second limiting ring on the limiting tube under the action of the compression spring, thereby ensuring that the inner liner tube and the limiting tube always remain coaxial, thereby ensuring that the transmission shaft can maintain a stable rotation state under the cooperation and restriction of the inner liner tube and the limiting tube;

[0017] 2. The present invention is provided with an impact block. When the energy-saving pump is working, when the water flows into the first water-lifting pipe under the action of the impeller and impacts the baffle, the baffle can drive the impact block to move toward the inner liner under the impact of the water flow. When the impact block contacts the inner liner, the inner liner can smoothly move relative to the transmission shaft under the impact force, thereby ensuring that the first conical surface protrusion and the second conical surface protrusion on the inner liner can smoothly fit together with the first limiting ring and the second limiting ring, thereby ensuring that the transmission shaft maintains a stable rotation state under the cooperation of the inner liner and the limiting tube;

[0018] 3. The present invention is provided with a shock-absorbing spring. During the rotation of the transmission shaft, the ball on the support column can be pressed together with the inner lining tube under the action of the shock-absorbing spring. When the transmission shaft vibrates under the drive of the driving shaft, the vibration can be transmitted to the shock-absorbing spring in sequence through the inner lining tube, the ball and the support column, so that the vibration can be absorbed by the shock-absorbing spring, thereby reducing the vibration transmitted to the impeller shaft through the transmission shaft, thereby ensuring the stable operation of the impeller. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a first overall structural schematic diagram of the present invention;

[0020] Figure 2 is a second overall structural schematic diagram of the present invention;

[0021] Figure 3 It is a three-dimensional cross-sectional view of the first water-raising pipe and the second water-raising pipe in the present invention;

[0022] Figure 4 is a three-dimensional schematic diagram of the support assembly in the present invention;

[0023] Figure 5 is a three-dimensional cross-sectional view of the support assembly of the present invention;

[0024] Figure 6 is a three-dimensional cross-sectional view of the limiting sleeve of the present invention;

[0025] Figure 7 The present invention Figure 6 A magnified view of part A;

[0026] Figure 8It is a cross-sectional view of the first water-lifting pipe, the pump head, and the filter cover in the present invention.

[0027] In the figure: 1. pump head; 2. rotating shaft; 3. impeller; 4. filter cover; 5. first water pumping pipe; 6. second water pumping pipe; 7. groove; 8. outlet elbow; 9. transmission shaft; 10. driving shaft; 11. motor coupling; 12. lining pipe; 13. limiting pipe; 14. positioning ring; 15. connecting block; 16. first limiting ring; 17. second limiting ring; 18. first conical protrusion; 19. second conical protrusion; 20. compression spring; 21. fixing pipe; 22. supporting column; 23. ball; 24. shock-absorbing spring; 25. annular plate; 26. L-shaped rod; 27. baffle; 28. impact block; 29. ​​limiting rod; 30. reset spring; 31. sealing ring; 32. limiting sleeve; 33. limiting protrusion; 34. spring piece; 35. inclined block; 36. protective pad; 37. protective shell. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0029] The present invention provides Figures 1 to 8 An environmentally friendly and energy-saving pump with a multi-section supporting and stable pump shaft structure is shown, comprising a pump head 1, a rotating shaft 2 is installed at the axis center of the pump head 1, and multiple groups of impellers 3 are installed on the rotating shaft 2, the water inlet end of the pump head 1 is connected to a filter cover 4, the water outlet end of the pump head 1 is connected to a first water pumping pipe 5, the end of the first water pumping pipe 5 away from the pump head 1 is connected to a second water pumping pipe 6, both ends of the first water pumping pipe 5 and the second water pumping pipe 6 are designed with flanges, and the inner sides of the edges of both ends of the first water pumping pipe 5 and the second water pumping pipe 6 are provided with completely identical annular grooves 7, and the grooves 7 at both ends of the first water pumping pipe 5 and the second water pumping pipe 6 can be spliced ​​together, and the first water pumping pipe 5 and the second water pumping pipe 6 can be spliced ​​together. The top of the second water pipe 6 away from the end of the first water pipe 5 is connected with a water outlet elbow 8, the first water pipe 5 is provided with a transmission shaft 9, the end of the transmission shaft 9 away from the rotating shaft 2 is provided with a drive shaft 10, the two ends of the transmission shaft 9 are respectively connected to the rotating shaft 2 and the drive shaft 10 through couplings, the end of the drive shaft 10 away from the transmission shaft 9 is connected with a motor coupling 11, the transmission shaft 9 is located at the connection between the first water pipe 5 and the second water pipe 6. The free ends of the water outlet elbow 8, the motor coupling 11 and the second water pipe 6 are sleeved with a protective shell 37, and the protective shell 37 is detachably connected to the three;

[0030] The support assembly includes an inner lining tube 12, which is movably sleeved on the transmission shaft 9. The outer side of the inner lining tube 12 is sleeved with a limiting tube 13. A positioning ring 14 is provided on the outer side of the limiting tube 13, and the positioning ring 14 is fixedly installed in two grooves 7 at the connection between the first water pumping pipe 5 and the second water pumping pipe 6. A plurality of connecting blocks 15 are fixedly connected between the inner side of the positioning ring 14 and the outer side of the limiting tube 13. A first limiting ring 16 and a second limiting ring 17 are fixedly connected to the inner wall of the limiting tube 13, and the inner sides of the first limiting ring 16 and the second limiting ring 17 are both conical designs, and the thickness of the first limiting ring 16 and the second limiting ring 17 gradually thickens towards the direction close to the rotating shaft 2. The outer side of the inner lining tube 12 is fixedly sleeved with a first conical surface The protrusion 18 and the second conical protrusion 19 are respectively rotatably inserted into the inner sides of the first limiting ring 16 and the second limiting ring 17, and the inner liner 12 is sleeved with a compression spring 20 at a position between the first conical protrusion 18 and the second conical protrusion 19. The two ends of the compression spring 20 are respectively fixedly connected with the first conical protrusion 18 and the second limiting ring 17, and the widths of the first conical protrusion 18 and the second conical protrusion 19 are respectively larger than the widths of the first limiting ring 16 and the second limiting ring 17, and the first conical protrusion 18 and the second conical protrusion 19 are completely fitted together with the first limiting ring 16 and the second limiting ring 17, and a locking assembly is provided at one end of the inner liner 12 close to the drive shaft 10;

[0031] When the energy-saving pump is in use, the drive shaft 10 is connected to the drive motor through the motor coupling 11, and then the drive motor can drive the impeller 3 on the rotating shaft 2 to move through the drive shaft 10 and the transmission shaft 9. During the operation of the transmission shaft 9, the first limiting ring 16 and the first conical protrusion 18, as well as the second limiting ring 17 and the second conical protrusion 19 can be pressed together under the action of the compression spring 20. At this time, the transmission shaft 9 can maintain a stable rotation state under the cooperation and restriction of the inner liner tube 12 and the limiting tube 13;

[0032] As the transmission shaft 9 runs for a long time, a gap will be generated between the first limit ring 16 and the first conical protrusion 18, and between the second limit ring 17 and the second conical protrusion 19 due to friction. At this time, due to the presence of the clamping spring 20, the clamping spring 20 can apply a thrust to the inner liner tube 12 through the first conical protrusion 18, so that the inner liner tube 12 moves toward the direction close to the driving shaft 10. As the inner liner tube 12 moves, the first conical protrusion 18 and the second conical protrusion 19 can be driven by the inner liner tube 12 to stick together with the first limit ring 16 and the second limit ring 17 again. When the first conical protrusion 18 and the first limit ring 16, and the second conical protrusion 19 and the second limit ring 17 are stuck together again, the locking assembly can lock the current position of the inner liner tube 12, thereby ensuring that the inner liner tube 12 and the limit tube 13 always remain coaxial, thereby ensuring that the transmission shaft 9 can maintain a stable rotation state under the cooperative restriction of the inner liner tube 12 and the limit tube 13.

[0033] like Figures 3 to 6 As shown, two groups of fixed tubes 21 are distributed in an annular manner on the outer side of the limiting tube 13, and the two groups of fixed tubes 21 are respectively close to the positions of the two ends of the inner lining tube 12, and the number of each group of fixed tubes 21 is multiple, and each group of fixed tubes 21 is distributed in an annular manner, and the fixed tubes 21 are vertically fixedly connected to the limiting tube 13, and the interior of the fixed tubes 21 is communicated with the interior of the limiting tube 13, and the fixed tubes 21 are slidably plugged with support columns 22, and the end of the support column 22 close to the inner lining tube 12 is installed with a ball 23, and the other end of the support column 22 is fixedly connected to the inner wall of the fixed tube 21 away from the inner lining tube 12 with a shock-absorbing spring 24, and the ball 23 can be tightly attached to the surface of the inner lining tube 12 under the action of the shock-absorbing spring 24;

[0034] By providing a shock-absorbing spring 24, during the rotation of the transmission shaft, the ball 23 on the support column 22 can be pressed together with the inner lining tube 12 under the action of the shock-absorbing spring 24. When the transmission shaft 9 vibrates under the drive of the driving shaft 10, the vibration can be transmitted to the shock-absorbing spring 24 through the inner lining tube 12, the ball 23 and the support column 22 in sequence, so that the vibration can be absorbed by the shock-absorbing spring 24, thereby reducing the vibration transmitted to the impeller 3 shaft through the transmission shaft 9, thereby ensuring the stable operation of the impeller 3.

[0035] like Figures 3 to 5As shown, an annular plate 25 is provided at one end of the limiting tube 13 close to the rotating shaft 2, and the outer diameter of the annular plate 25 matches the inner diameter of the first water lifting pipe 5. A plurality of L-shaped rods 26 are fixedly connected between the side of the annular plate 25 close to the limiting tube 13 and the outer wall of the limiting tube 13. A baffle 27 is provided on the side of the annular plate 25 close to the limiting tube 13. The outer diameter of the baffle 27 is larger than the inner diameter of the annular plate 25, and the baffle 27 is movably sleeved on the transmission shaft 9. The baffle 27 close to the limiting tube 13 is fixedly connected to the outer wall of the limiting tube 13. A ring-shaped impact block 28 is fixedly connected to one side of the position tube 13, and the impact block 28 is movably sleeved on the transmission shaft 9, and the outer diameter of the impact block 28 is smaller than the inner diameter of the position limiting tube 13. A plurality of limit rods 29 are vertically slidably inserted through the baffle 27, and one end of the limit rod 29 close to the position limiting tube 13 is vertically fixedly connected to the position limiting tube 13. A return spring 30 is sleeved on the limit rod 29, and the two ends of the return spring 30 are respectively fixedly connected to the position limiting tube 13 and the baffle 27;

[0036] During the long-term operation of the energy-saving pump, the inner liner pipe 12 sleeved on the transmission shaft 9 may be stuck together with the transmission shaft 9 due to impurities and rust in the water. At this time, by providing an impact block 28, when the energy-saving pump is working, when the water flows into the first water pumping pipe 5 under the action of the impeller 3 and impacts the baffle 27, the baffle 27 can drive the impact block 28 to move toward the inner liner pipe 12 under the impact of the water flow. In this process, the return spring 30 is gradually compressed, and the annular plate 25 and the baffle 27 are gradually separated. At this time, the water flow can flow smoothly into the second water pumping pipe 6 through the gap between the annular plate 25 and the baffle 27. The impact block 28 moves, and as the impact block 28 moves, when the impact block 28 contacts the inner liner tube 12, the inner liner tube 12 can better move relative to the transmission shaft 9 under the impact force, and then the impact block 28 can cooperate with the thrust of the compression spring 20 on the inner liner tube 12 so that the inner liner tube 12 can smoothly move toward the direction close to the drive shaft 10, and as the inner liner tube 12 moves, the first conical protrusion 18 and the second conical protrusion 19 on the inner liner tube 12 can smoothly fit together with the first limiting ring 16 and the second limiting ring 17, thereby ensuring that the transmission shaft 9 maintains a stable rotation state under the cooperation of the inner liner tube 12 and the limiting tube 13;

[0037] When the energy-saving pump stops working, the baffle 27 is no longer subjected to the impact force of the water flow, and then the baffle 27 can return to its original position under the action of the return spring 30.

[0038] like Figures 4 to 6 As shown, an annular groove is provided on the outer side of the positioning ring 14, a sealing ring 31 is installed in the annular groove, and the sealing ring 31 can be tightly attached to the connection between the first water supply pipe 5 and the second water supply pipe 6;

[0039] By providing the sealing ring 31 , when the positioning ring 14 is installed at the connection between the first water supply pipe 5 and the second water supply pipe 6 , the sealing ring 31 can improve the sealing performance of the connection between the two.

[0040] like Figures 4 to 7 As shown, the locking assembly includes a limiting sleeve 32, which is rotatably connected to one end of the inner liner tube 12 close to the drive shaft 10, and the outer diameter of the limiting sleeve 32 matches the inner diameter of the limiting tube 13, the surface of the limiting sleeve 32 is provided with a plurality of positioning grooves along its axial direction, and a plurality of inclined limiting protrusions 33 are evenly distributed in the positioning grooves, and the inclined surfaces of the limiting protrusions 33 face the drive shaft 10, and deflection grooves are provided at positions of the inner wall of the limiting tube 13 opposite to the plurality of positioning grooves, and a spring piece 34 is provided in the deflection groove, and one end of the spring piece 34 close to the rotating shaft 2 is fixedly connected to the inner wall of the deflection groove, and the other end of the spring piece 34 is fixedly connected to an inclined surface block 35, and the inclined surface of the inclined surface block 35 is opposite to the inclined surface of the limiting protrusion 33, and the inclined surface block 35 can be clamped together with the limiting protrusion 33 in the corresponding position positioning groove under the elastic force of the spring piece 34;

[0041] By providing a locking assembly, when a gap is generated due to friction between the first limiting ring 16 and the first conical protrusion 18 and between the second limiting ring 17 and the second conical protrusion 19, the inner liner tube 12 can drive the limiting sleeve 32 to move toward the direction close to the drive shaft 10 under the action of the compression spring 20 or the impact block 28, and as the limiting sleeve 32 moves, the limiting protrusion 33 located in the positioning groove can push the inclined surface block 35 through the inclined surface block 35, so that the spring piece 34 can be deflected in the direction away from the limiting sleeve 32 under the drive of the inclined surface block 35, and when the inclined surface block 35 is flush with the surface of the limiting sleeve 32, the inner liner tube 12 can move a distance toward the direction close to the drive shaft 10. During this process, the limiting protrusions 33 can be stuck between two adjacent limiting protrusions 33 one by one, and when the first limiting ring 16 and the first conical protrusion 18 as well as the second limiting ring 17 and the second conical protrusion 19 are again tightly attached together, the inner liner tube 12 stops moving, and at this time the inclined block 35 can be stuck between the current two adjacent limiting protrusions 33, thereby locking the position of the limiting sleeve 32. As the position of the limiting sleeve 32 is locked, the first limiting ring 16 and the first conical protrusion 18 as well as the second limiting ring 17 and the second conical protrusion 19 can be stably attached together, thereby enhancing the overall limiting effect of the support assembly on the transmission shaft 9 and ensuring the stability of the rotation of the transmission shaft 9.

[0042] like Figure 6 As shown, a protective pad 36 is fixedly connected to one end of the inner liner tube 12 close to the impact block 28, and in the initial state, the distance between the protective pad 36 and the impact block 28 is less than the maximum compression amount of the return spring 30;

[0043] By providing the protection pad 36, when the impact block 28 collides with the inner liner tube 12 under the push of the baffle 27, the protection pad 36 can protect the edge of the inner liner tube 12 close to one end of the impact block 28 to prevent the inner liner tube 12 from being deformed and damaged under the impact.

[0044] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them.

Claims

1. An environmentally friendly and energy-saving pump with a multi-section support and stable pump shaft structure, comprising a pump head (1), characterized in that: A rotating shaft (2) is installed at the axis center of the pump head (1), and a plurality of impellers (3) are installed on the rotating shaft (2). The water inlet end of the pump head (1) is connected to a filter cover (4), and the water outlet end of the pump head (1) is connected to a first water pumping pipe (5). The end of the first water pumping pipe (5) away from the pump head (1) is connected to a second water pumping pipe (6). Both ends of the first water pumping pipe (5) and the second water pumping pipe (6) are designed as flanges. The inner sides of the edges of both ends of the first water pumping pipe (5) and the second water pumping pipe (6) are provided with completely identical annular grooves (7), and the grooves at both ends of the first water pumping pipe (5) and the second water pumping pipe (6) are connected to the first water pumping pipe (5) and the second water pumping pipe (6). The grooves (7) can be spliced ​​together, the top of the second water pipe (6) away from the end of the first water pipe (5) is connected to a water outlet elbow (8), the first water pipe (5) is provided with a transmission shaft (9), the end of the transmission shaft (9) away from the rotating shaft (2) is provided with a drive shaft (10), the two ends of the transmission shaft (9) are respectively connected to the rotating shaft (2) and the drive shaft (10) through couplings, the end of the drive shaft (10) away from the transmission shaft (9) is connected to a motor coupling (11), and the transmission shaft (9) is provided with a support assembly at the connection between the first water pipe (5) and the second water pipe (6).

2. The environmentally friendly and energy-saving pump with a multi-section support and stable pump shaft structure according to claim 1, characterized in that: The support assembly comprises an inner lining tube (12), wherein the inner lining tube (12) is movably sleeved on the transmission shaft (9), and a limiting tube (13) is sleeved on the outer side of the inner lining tube (12). A positioning ring (14) is arranged on the outer side of the limiting tube (13), and the positioning ring (14) is fixedly installed in two grooves (7) at the connection between the first water pumping pipe (5) and the second water pumping pipe (6). A plurality of connecting blocks (15) are fixedly connected between the inner side of the positioning ring (14) and the outer side of the limiting tube (13), and a first limiting ring (16) and a second limiting ring (17) are fixedly connected on the inner wall of the limiting tube (13), and the inner sides of the first limiting ring (16) and the second limiting ring (17) are both designed with conical surfaces, and the first limiting ring (1 6) The thickness of the second limiting ring (17) gradually becomes thicker towards the direction approaching the rotating shaft (2); the outer side of the inner liner tube (12) is fixedly sleeved with a first conical protrusion (18) and a second conical protrusion (19); the first conical protrusion (18) and the second conical protrusion (19) are respectively rotatably inserted into the inner side of the first limiting ring (16) and the second limiting ring (17); the inner liner tube (12) is sleeved with a clamping spring (20) at a position between the first conical protrusion (18) and the second conical protrusion (19); the two ends of the clamping spring (20) are respectively fixedly connected to the first conical protrusion (18) and the second limiting ring (17); and a locking assembly is arranged at one end of the inner liner tube (12) close to the driving shaft (10).

3. The environmentally friendly and energy-saving pump with a multi-section support and stable pump shaft structure according to claim 2, characterized in that: Two groups of fixed tubes (21) are distributed in a ring shape on the outer side of the limiting tube (13). The two groups of fixed tubes (21) are respectively close to the positions of the two ends of the inner lining tube (12). The number of fixed tubes (21) in each group is multiple, and each group of fixed tubes (21) is distributed in a ring shape. The fixed tubes (21) are vertically fixedly connected to the limiting tube (13), and the interior of the fixed tube (21) is connected to the interior of the limiting tube (13). The fixed tube (21) is slidably inserted with a support column (22). A ball (23) is installed at one end of the support column (22) close to the inner lining tube (12). A shock-absorbing spring (24) is fixedly connected between the other end of the support column (22) and the inner wall of the fixed tube (21) away from the inner lining tube (12), and the ball (23) can be tightly attached to the surface of the inner lining tube (12) under the action of the shock-absorbing spring (24).

4. The environmentally friendly and energy-saving pump with a multi-section support and stable pump shaft structure according to claim 3, characterized in that: An annular plate (25) is provided at one end of the position limiting tube (13) close to the rotating shaft (2), the outer diameter of the annular plate (25) matches the inner diameter of the first water lifting pipe (5), a plurality of L-shaped rods (26) are fixedly connected between the side of the annular plate (25) close to the position limiting tube (13) and the outer wall of the position limiting tube (13), a baffle (27) is provided at one side of the annular plate (25) close to the position limiting tube (13), the outer diameter of the baffle (27) is larger than the inner diameter of the annular plate (25), and the baffle (27) is movably sleeved on the transmission shaft (9), and the baffle (27) close to the position limiting tube (13) is fixedly connected to the outer wall of the position limiting tube (13). An annular impact block (28) is fixedly connected to one side of the limiting tube (13); the impact block (28) is movably sleeved on the transmission shaft (9); and the outer diameter of the impact block (28) is smaller than the inner diameter of the limiting tube (13); a plurality of limiting rods (29) are vertically slidably inserted through the baffle (27); one end of the limiting rod (29) close to the limiting tube (13) is vertically fixedly connected to the limiting tube (13); a return spring (30) is sleeved on the limiting rod (29); and the two ends of the return spring (30) are respectively fixedly connected to the limiting tube (13) and the baffle (27).

5. The environmentally friendly and energy-saving pump with a multi-section support and stable pump shaft structure according to claim 4, characterized in that: An annular groove is provided on the outer side of the positioning ring (14), a sealing ring (31) is installed in the annular groove, and the sealing ring (31) can be tightly attached to the connection between the first water pumping pipe (5) and the second water pumping pipe (6).

6. The environmentally friendly and energy-saving pump with a multi-section support and stable pump shaft structure according to claim 5, characterized in that: The locking assembly comprises a limiting sleeve (32), the limiting sleeve (32) being rotatably connected to one end of the inner liner tube (12) close to the drive shaft (10), and the outer diameter of the limiting sleeve (32) matches the inner diameter of the limiting tube (13), the surface of the limiting sleeve (32) is provided with a plurality of positioning grooves along its axial direction, a plurality of inclined limiting protrusions (33) are evenly distributed in the positioning grooves, and the inclined surfaces of the limiting protrusions (33) face the drive shaft (10), and the inner wall of the limiting tube (13) is aligned with the plurality of inclined limiting protrusions (33). A deflection groove is provided at a position opposite to each positioning groove, and a spring sheet (34) is arranged in the deflection groove. One end of the spring sheet (34) close to the rotating shaft (2) is fixedly connected to the inner wall of the deflection groove, and the other end of the spring sheet (34) is fixedly connected to an inclined surface block (35), and the inclined surface of the inclined surface block (35) is opposite to the inclined surface of the limiting protrusion (33). The inclined surface block (35) can be clamped together with the limiting protrusion (33) in the positioning groove at the corresponding position under the elastic force of the spring sheet (34).

7. The environmentally friendly and energy-saving pump with a multi-section support and stable pump shaft structure according to claim 2, characterized in that: The widths of the first conical protrusion (18) and the second conical protrusion (19) are respectively greater than the widths of the first limiting ring (16) and the second limiting ring (17), and the first conical protrusion (18) and the second conical protrusion (19) are completely fitted together with the first limiting ring (16) and the second limiting ring (17).

8. The environmentally friendly and energy-saving pump with a multi-section support and stable pump shaft structure according to claim 4, characterized in that: A protective pad (36) is fixedly connected to one end of the inner liner tube (12) close to the impact block (28), and in an initial state, the distance between the protective pad (36) and the impact block (28) is less than the maximum compression amount of the return spring (30).

9. The environmentally friendly and energy-saving pump with a multi-section support and stable pump shaft structure according to claim 5, characterized in that: The free ends of the water outlet elbow (8), the motor coupling (11) and the second water lifting pipe (6) are sleeved with a protective shell (37), and the protective shell (37) is detachably connected to the three.

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