Non-sealing self-priming pump convenient to disassemble

Abstract

The utility model discloses a non-sealing self-priming pump convenient to disassemble, which relates to the technical field of pump equipment and comprises a motor and a pump body, a fixed base is arranged at the bottom of the motor, a first flange plate is connected between the fixed base and the pump body, and a plurality of groups of convex blocks are fixedly mounted on the inner side of a convex ring. An open groove and a clamping groove matched with the convex ring and the convex block for use are formed in the first connecting disc, and multiple sets of fixing bolts are in threaded connection with the outer sides of the first flange plate and the second flange plate. During installation, the protruding blocks can be rapidly clamped into the open grooves, guiding is provided for preliminary butt joint of the two connecting discs, the installation alignment time is greatly saved, the second connecting disc is rotated, the protruding blocks are clamped into the clamping grooves to achieve preliminary limiting, the protruding blocks are of a trapezoidal structure, the guiding effect is achieved when the protruding blocks are embedded into the clamping grooves in a rotating mode, and the protruding blocks can bear larger shearing force and prevent loosening during operation. The rubber pads at the tops of the convex rings and the convex blocks enhance the sealing performance of the connecting parts, prevent liquid leakage, play a role in damping and buffering, reduce noise and abrasion generated by vibration of equipment and prolong the service life of the equipment.

Description

Technical Field

[0001] This utility model belongs to the field of pump equipment technology, specifically a disassembled, seal-free self-priming pump. Background Technology

[0002] In the current pump equipment market, self-priming pumps are widely used as devices that can automatically lift and transport liquids from a low level. Traditional self-priming pumps typically have basic components such as a motor, pump body, and connecting pipes. The motor provides power to the pump body, causing the impeller inside the pump body to rotate, thereby generating suction to draw in and discharge the liquid.

[0003] In terms of connection structure, common methods include welding, ordinary flange connection, or threaded connection to connect the motor to the pump body, and the pump body to other auxiliary components (such as liquid storage tanks). For example, some self-priming pumps use ordinary flat flanges and multiple bolts to fasten the various components for a long time; some small self-priming pumps use threaded connection between the motor and the pump body to realize power transmission and liquid delivery functions.

[0004] Although ordinary flange connections are detachable, the lack of a precise positioning structure during installation makes aligning the bolt holes time-consuming, and flange misalignment is prone to occur during installation, affecting the connection effect and equipment operational stability. Utility Model Content

[0005] To overcome the above-mentioned defects, this utility model provides a detachable seal-free self-priming pump, which solves the problem that although ordinary flange connections are detachable, during installation, due to the lack of a precise positioning structure, aligning the bolt holes requires a lot of time, and the flange is prone to misalignment during installation, affecting the connection effect and the stability of equipment operation.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a detachable, seal-free self-priming pump, comprising a motor and a pump body. A fixed base is mounted on the bottom of the motor, and a first flange connects the fixed base to the pump body. A second flange is connected to the bottom of the pump body, and a liquid storage tank is connected to the bottom of the pump body via the second flange. Both the first and second flanges include a first connecting plate and a second connecting plate. The first connecting plate is fixedly connected to the bottom outer side of the fixed base and the bottom outer side of the pump body. The second connecting plate is fixedly connected to the top outer side of the pump body and the top outer side of the liquid storage tank. A convex ring is fixedly connected inside the second connecting plate, and multiple sets of protrusions are fixedly installed inside the convex ring. The first connecting plate has slots and grooves that cooperate with the convex ring and the protrusions. Multiple sets of fixing bolts are threadedly connected to the outer sides of the first and second flanges.

[0007] As a further embodiment of this utility model: the outer diameter of the convex ring is smaller than the outer diameter of the first connecting disk, and the convex ring is located inside the first connecting disk.

[0008] As a further embodiment of this utility model: the protrusion is fixed to the top of the inner side of the convex ring, and the protrusion has a trapezoidal structure.

[0009] As a further embodiment of this utility model: both the convex ring and the top of the convex block are provided with rubber pads, and the slot fits into the convex block.

[0010] As a further embodiment of this utility model: the first flange and the second flange have multiple sets of threaded grooves for use with the fixing bolts.

[0011] As a further embodiment of this utility model: the pump body is provided with an inlet cylinder, and the pump body is provided with an inlet and an outlet on both sides.

[0012] As a further embodiment of this utility model: a first observation window is provided on the outside of the pump body, and a second observation window is provided on the outside of the liquid storage cylinder.

[0013] As a further embodiment of this utility model, a detachable filter screen is provided at both the liquid inlet and the liquid outlet.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. During installation, the protrusion can quickly snap into the slot, providing guidance for the initial docking of the two connecting discs, greatly saving installation alignment time. Then, rotate the second connecting disc, and the protrusion snaps into the slot to achieve initial positioning. At this time, the threaded grooves on the first and second connecting discs are quickly aligned, making it easy to tighten with fixing bolts to complete the connection, greatly improving installation efficiency.

[0016] 2. The outer diameter of the convex ring is smaller than that of the first connecting plate and is located on the inner side, which allows for precise positioning and easy installation. The convex block has a trapezoidal structure, which acts as a guide when it is rotated and embedded into the slot. During operation, it can withstand greater shear force to prevent loosening. The rubber pads on the top of the convex ring and the convex block enhance the sealing of the connection and prevent liquid leakage. At the same time, they play a shock-absorbing and buffering role, reducing the noise and wear caused by equipment vibration and extending the service life of the equipment. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a first-view schematic diagram of the disassembled structure of this utility model;

[0019] Figure 3 This is a second-view schematic diagram of the disassembled structure of this utility model;

[0020] Figure 4 This is a third-view schematic diagram of the split structure of this utility model.

[0021] In the diagram: 1. Motor; 2. First flange; 3. Second flange; 301. First connecting plate; 302. Second connecting plate; 4. Pump body; 5. Liquid storage tank; 6. Liquid inlet; 7. Liquid outlet; 8. First observation window; 9. Second observation window; 10. Fixing bolt; 11. Threaded groove; 12. Liquid inlet cylinder; 13. Raised ring; 14. Raised block; 15. Slot; 16. Slot. Detailed Implementation

[0022] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0023] like Figures 1-4 As shown, this utility model provides a technical solution for a disassembled, seal-free self-priming pump:

[0024] The system includes a motor 1 and a pump body 4. The motor 1 is equipped with a fixed base at its bottom, and a first flange 2 is connected between the fixed base and the pump body 4. A second flange 3 is connected to the bottom of the pump body 4, and a liquid storage tank 5 is connected to the bottom of the pump body 4 through the second flange 3. Both the first flange 2 and the second flange 3 include a first connecting plate 301 and a second connecting plate 302. The first connecting plate 301 is fixedly connected to the bottom outer side of the fixed base and the bottom outer side of the pump body 4. The second connecting plate 302 is fixedly connected to the top outer side of the pump body 4 and the top outer side of the liquid storage tank 5. A convex ring 13 is fixedly connected inside the second connecting plate 302. Multiple sets of protrusions 14 are fixedly installed inside the convex ring 13. The first connecting plate 301 has a slot 15 and a groove 16 for use with the convex ring 13 and the protrusions 14. Multiple sets of fixing bolts 10 are threadedly connected to the outer sides of the first flange 2 and the second flange 3.

[0025] Specifically, the protrusion 14 on the inner side of the convex ring 13 engages with the slot 15 in the first connecting plate 301, allowing the protrusion 14 to quickly and accurately engage in the slot 15 during installation. This design provides clear guidance for the initial docking of the first connecting plate 301 and the second connecting plate 302, eliminating the need for complex adjustments and measurements by the installer, significantly saving time in aligning components during installation and improving initial installation efficiency. After the protrusion 14 engages in the slot 15, rotating the second connecting plate 302 allows the protrusion 14 to smoothly engage in the slot 16, achieving initial positioning. This ensures that the two connecting plates can be relatively stably joined together before the fixing bolts 10 are installed, preparing for subsequent bolt tightening and further accelerating the overall installation speed. Because the protrusion 14 achieves accurate positioning after engaging in the slot 16, the threaded grooves 11 on the first connecting plate 301 and the second connecting plate 302 can quickly... When disassembly is required, first unscrew the fixing bolt 10. Due to the fit design between the convex ring 13, convex block 14, slot 15 and slot 16, after the bolt is removed, simply rotate the second connecting plate 302 in the opposite direction to disengage the convex block 14 from the slot 16, and the first connecting plate 301 and the second connecting plate 302 can be easily separated. This disassembly method does not require special tools or complicated operations, reducing the difficulty and time cost of disassembly. The fit between the convex block 14 and the slot 16, as well as the fit between the convex ring 13 and the slot 15, causes less damage to the connecting parts themselves during disassembly. Compared with some disassembly methods that require forcibly prying open or destroying the connecting structure, it can ensure that the first connecting plate 301, the second connecting plate 302, the convex ring 13 and the convex block 14 can still maintain good performance and precision after multiple installations and disassemblies, extending the service life of the parts, and also providing convenience for subsequent reinstallation.

[0026] The outer diameter of the convex ring 13 is smaller than the outer diameter of the first connecting plate 301. The convex ring 13 is located inside the first connecting plate 301. The protrusion 14 is fixed to the top of the inner side of the convex ring 13. The protrusion 14 has a trapezoidal structure. Both the top of the convex ring 13 and the protrusion 14 are provided with rubber pads. The slot 16 fits into the protrusion 14.

[0027] Specifically, the outer diameter of the convex ring 13 is smaller than that of the first connecting plate 301 and is located inside it, so that the convex ring 13 can be smoothly embedded into the slot 15 in the first connecting plate 301, which plays a precise positioning role. During the installation process, workers can quickly align the two parts without complicated measurements, improving installation efficiency. The protrusion 14 is fixed to the top of the inner side of the convex ring 13 and has a trapezoidal structure, which fits into the slot 16 in the first connecting plate 301. When the trapezoidal protrusion 14 is rotated into the slot 16, it can provide a certain guiding role, making it easier to install. At the same time, when the equipment is running, the trapezoidal structure can withstand greater shear force to prevent the connection from loosening. Rubber pads are set on the top of the convex ring 13 and the protrusion 14. On the one hand, they can enhance the sealing of the connection and prevent liquid from leaking from the connection. On the other hand, the rubber pads can also play a shock absorption and buffering role, reducing the noise and wear caused by vibration during equipment operation and extending the service life of the equipment.

[0028] The first flange 2 and the second flange 3 have multiple sets of threaded grooves 11 for use with the fixing bolts 10. The pump body 4 is equipped with an inlet cylinder 12, and the pump body 4 is equipped with an inlet port 6 and an outlet port 7 on both sides. The pump body 4 is equipped with a first observation window 8 on the outside and a second observation window 9 on the outside of the storage cylinder 5. Removable filters are provided at both the inlet port 6 and the outlet port 7.

[0029] Specifically, the threaded groove 11 facilitates the flexible installation and removal of the fixing bolt 10. The first observation window 8 on the outside of the pump body 4 and the second observation window 9 on the outside of the liquid storage tank 5 allow operators to observe the liquid flow inside the pump body 4 in real time. The removable filter screens at the inlet 6 and outlet 7 can effectively filter impurities in the liquid, protect the precision components such as the impeller inside the pump body 4 from wear, and extend the service life of the pump.

[0030] The working principle of this utility model is as follows:

[0031] First, the first flange 2 and the second flange 3 connect the motor 1 to the pump body 4 and the pump body 4 to the liquid storage tank 5, respectively. The flange is composed of the first connecting plate 301 and the second connecting plate 302. The convex ring 13 and the inner protrusion 14 in the second connecting plate 302 cooperate with the slot 15 and the groove 16 in the first connecting plate 301. During installation, the protrusion 14 can quickly snap into the slot 15, providing guidance for the initial docking of the two connecting plates, which greatly saves the installation alignment time. Then, the second connecting plate 302 is rotated, and the protrusion 14 snaps into the groove 16 to achieve initial positioning. At this time, the threaded groove 11 on the first connecting plate 301 and the second connecting plate 302 is quickly aligned, which is convenient to tighten with the fixing bolt 10 to complete the connection and greatly improve the installation efficiency.

[0032] Secondly, after the motor 1 is powered on, it drives the impeller inside the pump body 4 to rotate. The pump body 4 is equipped with an inlet cylinder 12. The liquid enters the pump body 4 from the inlet port 6 through the inlet cylinder 12. Under the action of the pump body 4, the liquid gains energy and is discharged from the outlet port 7. The storage cylinder 5 is connected to the pump body 4 through the second flange 3 to provide liquid storage for the pump body 4 and ensure that the pump body 4 continues to work stably.

[0033] It is worth mentioning that the outer diameter of the convex ring 13 is smaller than that of the first connecting plate 301 and is located on the inner side, which makes it easy to install with precise positioning. The convex block 14 has a trapezoidal structure and plays a guiding role when it is rotated and embedded into the slot 16. It can withstand greater shear force during operation to prevent loosening. The rubber pads on the top of the convex ring 13 and the convex block 14 enhance the sealing of the connection part, prevent liquid leakage, and at the same time play a shock absorption and buffering role, reducing the noise and wear caused by equipment vibration and extending the service life of the equipment. The removable filter screens at the liquid inlet 6 and the liquid outlet 7 effectively filter liquid impurities, protect the impeller and other components inside the pump body 4, and further extend the service life of the pump. The first observation window 8 on the outside of the pump body 4 and the second observation window 9 on the outside of the liquid storage tank 5 make it convenient for operators to observe the internal liquid flow and the liquid level of the liquid storage tank 5 in real time, so as to detect and deal with problems in time.

[0034] Finally, when disassembling and maintaining the equipment, simply unscrew the fixing bolt 10, rotate the second connecting plate 302 in the opposite direction to disengage the protrusion 14 from the slot 16, and the first connecting plate 301 and the second connecting plate 302 can be easily separated, realizing the separation of the motor 1, the pump body 4 and the liquid storage tank 5. This disassembly method is simple, requires no special tools, causes little damage to the connecting parts, ensures the performance and accuracy of the parts after multiple installations and disassemblies, provides convenience for subsequent reinstallation, and reduces maintenance costs and difficulties.

[0035] The preferred embodiments of this patent have been described in detail above. However, this patent is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this patent.

Claims

1. A disassembleable, seal-free self-priming pump, comprising a motor (1) and a pump body (4), characterized in that: The motor (1) is equipped with a fixed base at its bottom, and a first flange (2) is connected between the fixed base and the pump body (4). A second flange (3) is connected below the pump body (4), and a liquid storage tank (5) is connected below the pump body (4) through the second flange (3). Both the first flange (2) and the second flange (3) include a first connecting plate (301) and a second connecting plate (302). The fixed base and the bottom outer side of the pump body (4) are both fixedly connected to the first connecting plate (301). The pump body (4) and the liquid storage cylinder (5) are both fixedly connected to the second connecting plate (302). The second connecting plate (302) is fixedly connected to the convex ring (13). Multiple sets of protrusions (14) are fixedly installed on the inner side of the convex ring (13). The first connecting plate (301) is provided with a slot (15) and a groove (16) for use with the convex ring (13) and the protrusions (14). Multiple sets of fixing bolts (10) are threadedly connected to the outer side of the first flange (2) and the second flange (3).

2. The easily disassembled seal-less self-priming pump according to claim 1, characterized in that: The outer diameter of the convex ring (13) is smaller than the outer diameter of the first connecting disk (301), and the convex ring (13) is located inside the first connecting disk (301).

3. The easily disassembled seal-less self-priming pump according to claim 2, characterized in that: The protrusion (14) is fixed to the top of the inner side of the protrusion ring (13), and the protrusion (14) has a trapezoidal structure.

4. The easily disassembled seal-less self-priming pump according to claim 3, characterized in that: Both the top of the protruding ring (13) and the protrusion (14) are provided with rubber pads, and the slot (16) fits into the protrusion (14).

5. A disassembly-type seal-free self-priming pump according to claim 4, characterized in that: The first flange (2) and the second flange (3) have multiple sets of threaded grooves (11) for use with the fixing bolts (10).

6. A disassembly-type seal-free self-priming pump according to claim 5, characterized in that: The pump body (4) is provided with an inlet cylinder (12), and the pump body (4) is provided with an inlet (6) and an outlet (7) on both sides.

7. A disassembly-type seal-free self-priming pump according to claim 6, characterized in that: The pump body (4) is provided with a first observation window (8) on the outside, and the liquid storage cylinder (5) is provided with a second observation window (9) on the outside.

8. A disassembly-type seal-free self-priming pump according to claim 7, characterized in that: Both the inlet (6) and outlet (7) are equipped with removable filters.

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