Water pump for fish tank

Abstract

The water pump for the fish tank comprises a mounting base and a connecting shell, a protective shell is arranged at the top of the mounting base, the connecting shell is arranged on the surface of the top of the mounting base, the connecting shell and the protective shell are fixed in a screwed mode through screws, one side of the connecting shell is communicated with a water inlet pipe, and a filter screen is fixed in the water inlet pipe through a fixing piece. The output shaft of the motor drives the impeller to rotate so that water in the fish tank can be pumped into the water inlet pipe from the flow guide hole of the rear shell, large-size impurities in the water can be intercepted and filtered through the flow guide hole, small-particle impurities in the water entering the water inlet pipe can be filtered through the filter screen, the situation that the impurities enter the water inlet pipe, and consequently the water inlet pipe is blocked is avoided, and the service life of the fish tank is prolonged. And the water flows into the connecting shell after being filtered by the filter screen and flows into the water outlet pipe from the connecting pipe at the top of the connecting shell, so that conveying and flowing of the water body are completed, the water is filtered through the filter screen, and the situation that impurities block the water inlet pipe to affect normal drainage work of the water pump is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of water pumps, and particularly relates to a water pump for fish tanks. Background Art

[0002] A water pump is a device used to provide a water flow effect in ponds and fish tanks. It is usually used in combination with an oxygen pipe, which can achieve water flow and oxygenation at the same time.

[0003] Currently, by placing the water pump into the liquid to be transported, the water pump draws the liquid into the pump body through the suction port. After the liquid enters the pump body, the impeller inside the water pump starts to rotate and pushes the liquid towards the outlet of the pump, so as to discharge the liquid through the outlet, making the liquid start to flow along the pipeline and move towards the target direction. However, when the water pump transports the liquid, impurities in the liquid will be sucked into the pipeline by the water pump. After the impurities accumulate in the pipeline, they will affect the flow of water in the pipeline, thus affecting the normal drainage work of the water pump. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a water pump for fish tanks to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A water pump for fish tanks, comprising:

[0006] An installation base, on the top of which there is a protective shell;

[0007] A connection shell, which is arranged on the top surface of the installation base and is fixedly connected to the protective shell by screws. A rear shell is clamped on one side of the connection shell, and a water inlet pipe is connected to one side of the connection shell. A filter screen is fixed in the water inlet pipe through a fixing member, and the filter screen filters impurities in the water entering the water inlet pipe to prevent the impurities in the water from blocking the water inlet pipe.

[0008] Preferably, the fixing member is an elastic clamping block, and several groups of elastic clamping blocks are evenly distributed on the surface of the filter screen, so that after the filter screen is placed in the water inlet pipe, it is clamped with the inner wall of the water inlet pipe through the elastic clamping blocks.

[0009] Preferably, the fixing member is a thread, which is arranged on the outer surface of the filter screen, so that after the filter screen is placed in the water inlet pipe, it is screwed with the internal thread on the inner wall of the water inlet pipe through the thread.

[0010] Preferably, several diversion holes are arranged on the surface of the rear shell, and two groups of clamping blocks are arranged on the surface of the rear shell and are fixedly clamped with the clamping grooves on the surface of the connection shell.

[0011] Preferably, a motor is arranged in the protective shell, and an impeller is fixed on the surface of the output shaft of the motor. A sealing plate is screwed to one side of the protective shell.

[0012] Preferably, a connecting pipe is provided at the top of the connecting shell, and external threads are provided on the surface of the connecting pipe. An outlet pipe is provided at the top of the connecting pipe. A fixing ring is sleeved on the outlet pipe, and the internal threads in the fixing ring are screwed and fixed with the external threads on the surface of the connecting pipe.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] By starting the motor to work, the output shaft of the motor drives the impeller to rotate, pumping the water in the fish tank from the diversion holes of the rear shell into the water inlet pipe. When the water enters the water inlet pipe through the diversion holes, the larger impurities in the water can be intercepted and filtered through the diversion holes. The water entering the water inlet pipe can filter the small particle impurities in the water through the filter screen, preventing impurities from entering the water inlet pipe and causing blockage of the water inlet pipe. The water flows into the connecting shell after being filtered by the filter screen and flows into the outlet pipe from the connecting pipe at the top of the connecting shell, thus completing the transportation and flow of the water body. Therefore, the water is filtered through the filter screen to prevent impurities from blocking the water inlet pipe and affecting the normal drainage work of the water pump.

[0015] After the water pump stops working, the clamping blocks on both sides of the rear shell can be disengaged from the clamping connection with the connecting shell, and the filter screen clamped in the water inlet pipe by the elastic clamping blocks or the filter screen connected by threads can be disassembled, so that the disassembled filter screen can be cleaned to avoid affecting the subsequent filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the utility model;

[0017] Figure 2 is an exploded view of the utility model;

[0018] Figure 3 is a schematic structural diagram of the protective shell and the connecting shell of the utility model;

[0019] Figure 4 is a schematic structural diagram of the elastic clamping blocks on the surface of the filter screen of the utility model;

[0020] Figure 5 is a schematic structural diagram of the threads on the surface of the filter screen of the utility model.

[0021] In the figure: 1, mounting base; 2, protective shell; 3, connecting shell; 4, water inlet pipe; 5, filter screen; 6, rear shell; 7, elastic clamping block; 8, thread; 9, diversion hole; 10, clamping block; 11, motor; 12, sealing plate; 13, connecting pipe; 14, outlet pipe; 15, fixing ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] The present invention provides a fish tank water pump as shown in Figures 1-5 and includes:

[0024] An installation base 1, on the top of which there is a protective shell 2;

[0025] A connecting shell 3, which is arranged on the top surface of the installation base 1 and is fixedly connected to the protective shell 2 by screws. A rear shell 6 is clamped on one side of the connecting shell 3. A water inlet pipe 4 is connected to one side of the connecting shell 3. A filter screen 5 is fixed in the water inlet pipe 4 through a fixing member. The filter screen 5 filters impurities in the water entering the water inlet pipe 4 to prevent the impurities in the water from blocking the water inlet pipe 4.

[0026] The fixing member is an elastic clamping block 7. There are several groups of elastic clamping blocks 7 and they are evenly distributed on the surface of the filter screen 5, so that after the filter screen 5 is placed in the water inlet pipe 4, it is clamped to the inner wall of the water inlet pipe 4 through the elastic clamping block 7. When disassembling the filter screen 5 clamped in the water inlet pipe 4, the filter screen 5 in the water inlet pipe 4 is pulled out of the water inlet pipe 4, so that the elastic clamping block 7 on the surface of the filter screen 5 is separated from the contact with the inner wall of the water inlet pipe 4, thereby separating the filter screen 5 from the clamping connection with the inner wall of the water inlet pipe 4.

[0027] The fixing member is a thread 8, which is arranged on the outer surface of the filter screen 5, so that after the filter screen 5 is placed in the water inlet pipe 4, it is screwed to the internal thread of the inner wall of the water inlet pipe 4 through the thread 8. When disassembling the filter screen 5 screwed through the thread 8, only need to screw the filter screen 5 in the water inlet pipe 4 to make the thread 8 on the surface of the filter screen 5 separated from the internal thread of the inner wall of the water inlet pipe 4, thereby completing the disassembly of the filter screen 5.

[0028] Several diversion holes 9 are arranged on the surface of the rear shell 6. Two groups of clamping blocks 10 are arranged on the surface of the rear shell 6 and are fixedly connected to the clamping grooves on the surface of the connecting shell 3. After the clamping blocks 10 on both sides of the rear shell 6 are separated from the clamping connection with the connecting shell 3, the filter screen 5 can be cleaned.

[0029] A motor 11 is arranged in the protective shell 2, and an impeller is fixed on the surface of the output shaft of the motor 11. A sealing plate 12 is screwed to one side of the protective shell 2 through screws.

[0030] A connecting shell 3 is provided with a connecting pipe 13 at the top, and an external thread is provided on the surface of the connecting pipe 13. An outlet pipe 14 is provided at the top of the connecting pipe 13. A fixing ring 15 is sleeved on the outlet pipe 14, and the internal thread in the fixing ring 15 is screwed and fixed with the external thread on the surface of the connecting pipe 13. By aligning one end of the outlet pipe 14 with the connecting pipe 13 and providing a sealing ring at the connection between the outlet pipe 14 and the connecting pipe 13, the sealing performance of the connection can be enhanced. The internal thread in the fixing ring 15 matches the external thread on the surface of the connecting pipe 13. By rotating the fixing ring 15 to make it tightly screwed with the connecting pipe 13, a firm connection between the outlet pipe 14 and the connecting pipe 13 can be achieved.

[0031] For this fish tank water pump, by starting the motor 11 to work, the output shaft of the motor 11 drives the impeller to rotate, pumping the water in the fish tank from the diversion holes 9 of the rear shell 6 into the inlet pipe 4. When the water passes through the diversion holes 9 and enters the inlet pipe 4, larger impurities in the water can be intercepted and filtered through the diversion holes 9. The water entering the inlet pipe 4 can filter small particle impurities in the water through the filter screen 5, preventing impurities from entering the inlet pipe 4 and causing blockage of the inlet pipe 4. The water flows into the connecting shell 3 after passing through the filter screen 5 and flows into the outlet pipe 14 from the connecting pipe 13 at the top of the connecting shell 3, thus completing the transportation and flow of the water body. Therefore, the water is filtered through the filter screen 5 to prevent impurities from blocking the inlet pipe 4 and affecting the normal drainage work of the water pump.

[0032] After the water pump stops working, the clamping blocks 10 on both sides of the rear shell 6 can be disengaged from the clamping connection with the connecting shell 3, and the filter screen 5 clamped in the inlet pipe 4 by the elastic clamping blocks 7 or the filter screen 5 connected by threads 8 through the threads 8 can be disassembled, so that the disassembled filter screen 5 can be cleaned to avoid affecting the subsequent filtering effect.

[0033] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A water pump for a fish tank, characterized in that: include: A mounting base (1), wherein a protective shell (2) is provided on the top of the mounting base (1); A connecting shell (3), the connecting shell (3) being arranged on the top surface of the mounting base (1) and being fixed to the protective shell (2) by screw connection, a rear shell (6) being clamped on one side of the connecting shell (3), a water inlet pipe (4) being connected to one side of the connecting shell (3), a filter screen (5) being fixed in the water inlet pipe (4) by a fixing member, and impurities in the water entering the water inlet pipe (4) being filtered by the filter screen (5) to prevent the impurities in the water from clogging the water inlet pipe (4).

2. A water pump for a fish tank according to claim 1, characterized in that: The fixing member is an elastic clamping block (7), and the elastic clamping blocks (7) are provided in a plurality of groups and are evenly distributed on the surface of the filter screen (5), so that after the filter screen (5) is placed in the water inlet pipe (4), it is clamped with the inner wall of the water inlet pipe (4) through the elastic clamping blocks (7).

3. A water pump for fish tank according to claim 1, characterized in that: The fixing member is a thread (8) which is arranged on the outer surface of the filter screen (5) so that the filter screen (5) is placed in the water inlet pipe (4) and is screwed to the inner thread of the inner wall of the water inlet pipe (4) through the thread (8).

4. A water pump for a fish tank according to claim 1, characterized in that: The surface of the rear shell (6) is provided with a plurality of guide holes (9), the surface of the rear shell (6) is provided with two groups of clamping blocks (10), and the clamping blocks (10) are clamped and fixed to the clamping grooves on the surface of the connecting shell (3).

5. A water pump for fish tank according to claim 1, characterized in that: A motor (11) is arranged in the protective shell (2), and an impeller is fixed to the surface of the output shaft of the motor (11); a sealing plate (12) is screwed to one side of the protective shell (2) via screws.

6. A water pump for a fish tank according to claim 1, characterized in that: A connecting pipe (13) is provided at the top of the connecting shell (3) and an external thread is provided on the surface of the connecting pipe (13); a water outlet pipe (14) is provided at the top of the connecting pipe (13); a fixing ring (15) is sleeved on the water outlet pipe (14) and the internal thread in the fixing ring (15) is screwed and fixed to the external thread on the surface of the connecting pipe (13).

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