Split type pump body with impeller convenient to replace

Abstract

The utility model is suitable for the technical field of split type pump bodies, and provides a split type pump body with an impeller convenient to replace. A bottom plate; the water pump and the motor are arranged at the top of the bottom plate from left to right; the first transmission shaft is arranged between the water pump and the first transmission shaft; the second transmission shaft is movably arranged in the middle of the water pump and fixedly connected with the first transmission shaft; and an impeller. Compared with the prior art, the utility model has the beneficial effects that the positioning structures are arranged on the impeller, the second transmission shaft and the positioning disc, so that the impeller, the second transmission shaft and the positioning disc are convenient to limit and fix and are not easy to separate, and the positioning structures are only required to be separated when being disassembled, so that the impeller, the second transmission shaft and the positioning disc can be conveniently disassembled. Therefore, the impeller, the second transmission shaft and the positioning disc can be rapidly separated, and the situation that in the prior art, a plurality of bolts need to be arranged for fixing, and consequently the mounting and dismounting processes are troublesome is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of split pump bodies, and in particular relates to a split pump body which is convenient for replacing an impeller. Background Art

[0002] The split pump body is a pump composed of a motor, bearings, mechanical seals and a pump body. Its motor and pump body are separated and need to be connected by a connecting shaft.

[0003] An impeller is provided inside the water pump, so that a vacuum is formed in the pump body, so that when the liquid is pumped into the pump body from the front pipe, it is then discharged from the top. Since there are certain impurities in the liquid extracted by the split pump body, the impeller may be damaged, so it needs to be replaced regularly. However, when the traditional impeller is installed, it is fixed by a plurality of bolts arranged in a circular array on the impeller and the rotating pump. Therefore, when disassembling and replacing, it is necessary to remove a plurality of screws one by one, which is not convenient for later replacement and installation, and is relatively cumbersome and has shortcomings.

[0004] Therefore, how to provide a split pump body that is easy to replace the impeller is a problem that technical personnel in this field urgently need to solve. Utility Model Content

[0005] The utility model aims to provide a split pump body which is convenient for replacing an impeller, aiming to solve the problems mentioned in the background technology.

[0006] The utility model is implemented as follows: a split pump body which is convenient for replacing an impeller comprises:

[0007] Base plate;

[0008] A water pump and a motor, wherein the water pump and the motor are arranged on the top of the bottom plate from left to right;

[0009] a first transmission shaft, the first transmission shaft being disposed between the water pump and the first transmission shaft;

[0010] a second transmission shaft, the second transmission shaft being movably disposed in the middle of the water pump and fixedly connected to the first transmission shaft;

[0011] An impeller, the impeller being movably mounted on the surface of the second transmission shaft;

[0012] A groove, wherein the groove is formed on the surface of the impeller and a positioning plate is placed therein;

[0013] A positioning structure is arranged on the positioning disk, the impeller and the second transmission shaft.

[0014] Preferably, a sealing cover is movably installed on the left side of the water pump, a first slot is formed in a circumferential array on the surface of the sealing cover, and a limiting structure is provided on the surface of the water pump and movably plugged into the first slot;

[0015] The limiting structure includes a positioning ring plate and a guide rod, the positioning ring plate is fixedly mounted on the surface of the water pump, a spring is installed on the right circumferential array of the positioning ring plate, a movable ring plate is fixedly mounted on the right end of the spring, the guide rod circumferential array is plugged into the surfaces of the positioning ring plate and the movable ring plate, and is fixedly connected to the water pump, a traction rope is provided on the left circumferential array of the movable ring plate, and passes through the middle part of the positioning ring plate, and is fixedly connected with a positioning block, a protrusion is fixedly mounted on the inner side of the positioning block, and is movably plugged into the first slot.

[0016] Preferably, the positioning structure includes a lower positioning bolt and an upper positioning bolt, a positioning groove is opened in the middle of the positioning plate, and through holes are opened in the middle of the impeller and the front end of the second transmission shaft. The lower positioning bolt is spirally installed in the positioning groove and the lower end of the middle through hole, and the upper positioning bolt is spirally installed in the upper end of the positioning groove and the outer through hole, and is movably connected with the middle of the lower positioning bolt.

[0017] Preferably, the middle part of the impeller is vacuum-set, and a second slot is provided in a circumferential array, and a clamping block is provided in a circumferential array on the surface of the second transmission shaft and is movably plugged into the second slot.

[0018] Preferably, a spiral groove is provided in the middle of the lower positioning bolt, and the lower end of the upper positioning bolt is movably installed inside the spiral groove in an opposite direction to the installation direction of the lower positioning bolt.

[0019] Preferably, the diameter values ​​of the upper ends of the two through holes and the positioning grooves are equal to the diameter value of the upper positioning bolt, and the diameter values ​​of the lower ends of the two through holes and the positioning grooves are equal to the diameter value of the lower positioning bolt.

[0020] Preferably, the diameter of the positioning plate is equal to the diameter of the groove, and the inner side of the positioning plate is hollow and has the same diameter as the second transmission shaft.

[0021] Compared with the prior art, the beneficial effect of the utility model is that: when in use, by providing a positioning structure on the impeller, the second transmission shaft and the positioning plate, the impeller, the second transmission shaft and the positioning plate are conveniently limited and fixed, making them not easy to separate, and when dismantling, only the positioning structure needs to be separated, so that the impeller, the second transmission shaft and the positioning plate can be quickly separated, avoiding the need to set multiple bolts for fixing in the traditional technology, resulting in a more troublesome installation and disassembly process.

[0022] At the same time, by providing a sealing cover on the water pump and providing a limiting structure on its side, the sealing cover can be quickly limited, and when separating, it is only necessary to pull the positioning block of the limiting structure to release the limiting of the sealing cover, thereby avoiding the situation in traditional technology that the sealing cover needs to be fixed with multiple bolts, resulting in a more troublesome installation and disassembly process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 A schematic diagram of the overall appearance structure of a split pump body that is convenient for replacing an impeller provided in an embodiment of the utility model;

[0025] Figure 2 A schematic diagram of a front view of a half-section structure of a water pump with a split pump body that facilitates replacement of an impeller provided by an embodiment of the utility model;

[0026] Figure 3 A schematic diagram of a top-view cross-sectional structure of a water pump with a split pump body that facilitates replacement of an impeller provided in an embodiment of the utility model;

[0027] Figure 4 A schematic diagram of the impeller disassembly structure of a split pump body for easy replacement of the impeller provided in an embodiment of the utility model;

[0028] Figure 5 The embodiment of the utility model provides Figure 1 Schematic diagram of the enlarged structure of part A.

[0029] In the figure: 1-base plate, 2-motor, 3-first transmission shaft, 4-water pump, 5-sealing cover, 6-slide, 7-positioning ring plate, 8-spring, 9-movable ring plate, 10-positioning block, 11-traction rope, 12-first slot, 13-bump, 14-second transmission shaft, 15-block, 16-impeller, 17-groove, 18-second slot, 19-positioning plate, 20-positioning slot, 21-lower positioning bolt, 22-upper positioning bolt, 23-through hole, 24-guide rod, 25-spiral groove. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0031] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0032] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 FIG. 1 is a schematic diagram of a split pump body for facilitating replacement of an impeller provided by an embodiment of the utility model, comprising:

[0033] Bottom plate 1;

[0034] A water pump 4 and a motor 2 are arranged on the top of the bottom plate 1 from left to right;

[0035] A first transmission shaft 3, the first transmission shaft 3 is arranged between the water pump 4 and the first transmission shaft 3;

[0036] A second transmission shaft 14, which is movably disposed in the middle of the water pump 4 and fixedly connected to the first transmission shaft 3;

[0037] An impeller 16, the impeller 16 is movably mounted on the surface of the second transmission shaft 14;

[0038] A groove 17, which is formed on the surface of the impeller 16 and has a positioning plate 19 thereon;

[0039] The positioning structure is arranged on the positioning plate 19 , the impeller 16 and the second transmission shaft 14 .

[0040] In the embodiment of the utility model, when in use, the impeller 16 is mounted on the second transmission shaft 14, and then the positioning plate 19 is mounted in the groove 17 on the surface of the impeller 16, and finally the positioning structure is used for positioning, and then the motor 2 is started, so that the impeller 16 is indirectly driven through the first transmission shaft 3, thereby pumping water into and out of the water pump 4 to achieve the flow of water;

[0041] By providing a positioning structure on the impeller 16, the second transmission shaft 14 and the positioning plate 19, it is convenient to limit and fix the impeller 16, the second transmission shaft 14 and the positioning plate 19, making them not easy to separate, and when dismantling, only the positioning structure needs to be separated, so that the impeller 16, the second transmission shaft 14 and the positioning plate 19 can be quickly separated, avoiding the need to set multiple bolts for fixing in traditional technology, resulting in a more troublesome installation and disassembly process.

[0042] like Figure 1 , Figure 3 and Figure 5As shown, as a preferred embodiment of the utility model, a sealing cover 5 is movably installed on the left side of the water pump 4, a first card slot 12 is opened in a circumferential array on the surface of the sealing cover 5, and a limiting structure is provided on the surface of the water pump 4 and movably plugged with the first card slot 12;

[0043] The limiting structure includes a positioning ring plate 7 and a guide rod 24. The positioning ring plate 7 is fixedly installed on the surface of the water pump 4. A spring 8 is installed in a circular array on the right side of the positioning ring plate 7. A movable ring plate 9 is fixedly installed on the right end of the spring 8. The guide rod 24 is inserted in a circular array on the surfaces of the positioning ring plate 7 and the movable ring plate 9 and is fixedly connected to the water pump 4. A traction rope 11 is provided on the left side of the movable ring plate 9 and passes through the middle part of the positioning ring plate 7. A positioning block 10 is fixedly connected thereto. A protrusion 13 is fixedly installed on the inner side of the positioning block 10 and is movably inserted into the first slot 12.

[0044] In the embodiment of the utility model, when replacing, the positioning block 10 is pulled, so that the protrusion 13 is separated from the first slot 12 opened on the edge of the sealing cover 5, and the movable ring plate 9 is driven by the traction rope 11 to overcome the elasticity of the spring 8 and slide along the guide rod 24, so that the protrusion 13 can be smoothly moved out of the first slot 12, so that the sealing cover 5 can be removed from the slide groove 6 on the surface of the water pump 4, so that the impeller 16 is exposed;

[0045] By providing a sealing cover 5 on the water pump 4 and providing a limiting structure on the side of the water pump 4, the sealing cover 5 can be quickly limited, and when separating, it is only necessary to pull the positioning block 10 of the limiting structure to release the limiting of the sealing cover 5, thereby avoiding the situation in the traditional technology that the sealing cover 5 needs to be fixed with multiple bolts, resulting in a more troublesome installation and disassembly process.

[0046] like Figure 2 , Figure 3 and Figure 4 As shown, as a preferred embodiment of the utility model, the positioning structure includes a lower positioning bolt 21 and an upper positioning bolt 22, a positioning groove 20 is opened in the middle of the positioning plate 19, and a through hole 23 is opened in the middle of the front end of the impeller 16 and the second transmission shaft 14. The lower positioning bolt 21 is spirally installed in the positioning groove 20 and the lower end of the middle through hole 23, and the upper positioning bolt 22 is spirally installed in the upper end of the positioning groove 20 and the outer through hole 23, and is movably plugged with the middle of the lower positioning bolt 21.

[0047] In the embodiment of the utility model, when in use, the upper positioning bolt 22 is rotated to be removed from the lower positioning bolt 21, the positioning groove 20 and the through hole 23 in sequence, and then the lower positioning bolt 21 is rotated in the opposite direction to be removed from the lower end of the positioning groove 20 and the through hole 23, so that the positioning plate 19 can be taken out from the groove 17 on the surface of the impeller 16, and then the impeller 16 can be removed from the second transmission shaft 14, and the block 15 on the surface of the second transmission shaft 14 is separated from the second groove 18 on the inner side of the impeller 16, so as to achieve the purpose of rapid removal;

[0048] By providing the positioning structure, it is convenient to limit the positions of the upper positioning bolt 22 and the lower positioning bolt 21 to avoid loosening during operation.

[0049] like Figure 4 As shown, as a preferred embodiment of the utility model, the middle of the impeller 16 is vacuum-set, and a second card slot 18 is provided in a circumferential array, and a card block 15 is provided in a circumferential array on the surface of the second transmission shaft 14 and is movably plugged into the second card slot 18.

[0050] In the embodiment of the utility model, when in use, the middle part of the impeller 16 is set to be vacuum, and a second card slot 18 is opened in a circular array, and a card block 15 is arranged in a circular array on the surface of the second transmission shaft 14, so as to facilitate the movable connection with the second card slot 18, and then when the second transmission shaft 14 rotates, it will drive the impeller 16 to rotate.

[0051] like Figure 2 and Figure 4 As shown, as a preferred embodiment of the utility model, a spiral groove 25 is provided in the middle of the lower positioning bolt 21 , and the lower end of the upper positioning bolt 22 is movably installed inside the spiral groove 25 in the opposite direction of the installation direction of the lower positioning bolt 21 .

[0052] In the embodiment of the utility model, when in use, a spiral groove 25 is provided in the middle of the lower positioning bolt 21, and the installation direction is opposite to that of the lower positioning bolt 21, so that when the lower end of the upper positioning bolt 22 is movably installed inside the spiral groove 25, it is opposite to the installation direction of the lower positioning bolt 21, thereby improving stability.

[0053] like Figure 2 and Figure 4 As shown, as a preferred embodiment of the utility model, the diameter values ​​of the two through holes 23 and the upper end of the positioning groove 20 are equal to the diameter value of the upper positioning bolt 22, and the diameter values ​​of the two through holes 23 and the lower end of the positioning groove 20 are equal to the diameter value of the lower positioning bolt 21.

[0054] In the embodiment of the utility model, when in use, by making the diameter values ​​of the upper ends of the two through holes 23 and the positioning groove 20 equal to the diameter value of the upper positioning bolt 22, and the diameter values ​​of the lower ends of the two through holes 23 and the positioning groove 20 equal to the diameter value of the lower positioning bolt 21, it is convenient to plug in two upper positioning bolts 22 and lower positioning bolts 21 of different diameters.

[0055] like Figure 2 and Figure 4 As shown, as a preferred embodiment of the present invention, the diameter of the positioning plate 19 is equal to the diameter of the groove 17 , and the inner side of the positioning plate 19 is hollow and has the same diameter as the second transmission shaft 14 .

[0056] In the embodiment of the utility model, when in use, by making the diameter value of the positioning plate 19 equal to the diameter value of the groove 17 and the inner side of the positioning plate 19 being hollow, the insertion of the second transmission shaft 14 is facilitated, and the position of the through hole 23 is aligned with the positioning groove 20, thereby facilitating the insertion.

[0057] The above embodiment of the utility model provides a split pump body that is convenient for replacing the impeller. When replacing, the positioning block 10 is pulled to separate the protrusion 13 from the first slot 12 opened on the edge of the sealing cover 5, and the movable ring plate 9 is driven by the traction rope 11 to overcome the elasticity of the spring 8 and slide along the guide rod 24, so that the protrusion 13 can be smoothly moved out of the first slot 12, so that the sealing cover 5 can be removed from the slide groove 6 on the surface of the water pump 4, so that the impeller 16 is exposed;

[0058] Then, the upper positioning bolt 22 is rotated to be moved out from the lower positioning bolt 21, the positioning groove 20 and the through hole 23 in sequence, and then the lower positioning bolt 21 is rotated in the opposite direction to be moved out from the lower ends of the positioning groove 20 and the through hole 23, so that the positioning plate 19 can be taken out from the groove 17 on the surface of the impeller 16, and the pressure on the second transmission shaft 14 and the impeller 16 is released, so that the impeller 16 can be removed from the second transmission shaft 14, and the block 15 on the surface of the second transmission shaft 14 is separated from the second groove 18 on the inner side of the impeller 16, thereby achieving the purpose of rapid disassembly.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A split pump body that is easy to replace the impeller, characterized in that: include; Bottom plate (1); A water pump (4) and a motor (2), wherein the water pump (4) and the motor (2) are arranged on the top of the bottom plate (1) from left to right; A first transmission shaft (3), wherein the first transmission shaft (3) is arranged between the water pump (4) and the first transmission shaft (3); A second transmission shaft (14), the second transmission shaft (14) being movably arranged in the middle of the water pump (4) and fixedly connected to the first transmission shaft (3); an impeller (16), wherein the impeller (16) is movably mounted on the surface of the second transmission shaft (14); A groove (17), wherein the groove (17) is formed on the surface of the impeller (16) and a positioning plate (19) is placed thereon; A positioning structure is provided on the positioning disk (19), the impeller (16) and the second transmission shaft (14).

2. A split pump body for easy replacement of impeller according to claim 1, characterized in that: A sealing cover (5) is movably mounted on the left side of the water pump (4); a first slot (12) is provided in a circumferential array on the surface of the sealing cover (5); and a limiting structure is provided on the surface of the water pump (4) and is movably plugged into the first slot (12); The limiting structure comprises a positioning ring plate (7) and a guide rod (24); the positioning ring plate (7) is fixedly mounted on the surface of the water pump (4); a spring (8) is mounted on the right circumferential array of the positioning ring plate (7); a movable ring plate (9) is fixedly mounted on the right end of the spring (8); the guide rod (24) is inserted in a circumferential array on the surfaces of the positioning ring plate (7) and the movable ring plate (9) and is fixedly connected to the water pump (4); a traction rope (11) is arranged on the left circumferential array of the movable ring plate (9) and passes through the middle of the positioning ring plate (7) and is fixedly connected to a positioning block (10); a protrusion (13) is fixedly mounted on the inner side of the positioning block (10) and is movably inserted into the first slot (12).

3. A split pump body for easy replacement of impeller according to claim 1, characterized in that: The positioning structure comprises a lower positioning bolt (21) and an upper positioning bolt (22); a positioning groove (20) is provided in the middle of the positioning plate (19); a through hole (23) is provided in the middle of the front end of the impeller (16) and the second transmission shaft (14); the lower positioning bolt (21) is screwed on the lower end of the positioning groove (20) and the middle through hole (23); the upper positioning bolt (22) is screwed on the upper end of the positioning groove (20) and the outer through hole (23), and is movably plugged with the middle of the lower positioning bolt (21).

4. A split pump body for easy replacement of impeller according to claim 1, characterized in that: The middle part of the impeller (16) is vacuum-arranged, and a second clamping groove (18) is provided in a circumferential array; a clamping block (15) is provided in a circumferential array on the surface of the second transmission shaft (14) and is movably plugged into the second clamping groove (18).

5. A split pump body for easy replacement of impeller according to claim 3, characterized in that: A spiral groove (25) is provided in the middle of the lower positioning bolt (21), and the lower end of the upper positioning bolt (22) is movably mounted inside the spiral groove (25) in an installation direction opposite to that of the lower positioning bolt (21).

6. A split pump body for easy replacement of impeller according to claim 3, characterized in that: The diameter values ​​of the upper ends of the two through holes (23) and the positioning groove (20) are both equal to the diameter value of the upper positioning bolt (22), and the diameter values ​​of the lower ends of the two through holes (23) and the positioning groove (20) are both equal to the diameter value of the lower positioning bolt (21).

7. A split pump body for easy replacement of impeller according to claim 3, characterized in that: The diameter of the positioning plate (19) is equal to the diameter of the groove (17); the inner side of the positioning plate (19) is hollow and has the same diameter as the second transmission shaft (14).

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