Submersible sewage pump inlet filtering anti-blocking device

Abstract

The utility model relates to the technical field of submersible sewage pump feeding and filtering, and discloses a submersible sewage pump inlet filtering anti-blocking device which comprises a submersible sewage pump, a base, a fixing block and a connecting block. The number of the fixing blocks is four, the fixing blocks are evenly distributed on the periphery of the top of the base and fixedly connected with the top of the base, the number of the connecting blocks is four, the connecting blocks are annularly distributed at the bottom of the submersible sewage pump and fixedly connected with the bottom of the submersible sewage pump, and the surfaces of the connecting blocks make contact with inner cavities of the fixing blocks; the connecting block is made of rubber, and a containing groove is formed in an inner cavity of the fixing block. The utility model relates to a submersible sewage pump, in particular to a submersible sewage pump, and solves the problems that sundries, silt or other articles are contained in a pipeline in the field production process, and the sundries, silt or other articles are sucked into a feed port of the submersible sewage pump in the use process of the submersible sewage pump, so that the water pumping effect of the submersible sewage pump is reduced, and even the pump is damaged seriously.

Description

Technical Field

[0001] The utility model belongs to the technical field of feed filtration of submersible sewage pumps, and in particular relates to an inlet filtration and anti-blocking device for a submersible sewage pump. Background Art

[0002] A submersible sewage pump is a pump used to discharge sewage or liquid containing solid particles. It is usually installed in a sewage pool or sewage well, and driven by an electric motor to pump sewage to downstream treatment equipment or discharge points. Submersible sewage pumps are usually corrosion-resistant and wear-resistant, and can effectively treat sewage containing dirt and solid particles. They are often used in urban sewage treatment, industrial wastewater treatment, rural sewage treatment and other fields.

[0003] The main function of the submersible sewage pump is to pump sewage or liquid containing solid particles from sewage pools, sewage wells and other places, and transport it to sewage treatment equipment or discharge points for treatment or discharge. Submersible sewage pumps play an important role in urban sewage treatment, industrial wastewater treatment, rural sewage treatment and other fields. It can effectively treat sewage containing dirt and solid particles, and ensure environmental hygiene and human health. The submersible sewage pump uses the drive of an electric motor to generate centrifugal force through the rotation of the impeller to suck sewage or liquid containing solid particles into the pump body, and then discharge it through the drain. Submersible sewage pumps are usually installed in sewage pools or sewage wells, and sewage is pumped to the ground or into pipelines for treatment or discharge through underground equipment. Submersible sewage pumps have the characteristics of good sealing, corrosion resistance, and wear resistance. They can effectively treat sewage and liquids containing solid particles. The problem with the above technology is that during the on-site production process, there will be debris, silt or other items in the pipeline, and during the use of the submersible sewage pump, there will be debris, silt or other items sucked into the feed port of the submersible sewage pump, which will reduce the pumping effect of the submersible sewage pump, and even cause damage to the pump in severe cases. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a submersible sewage pump inlet filtering and anti-blocking device which can overcome the above problems or at least partially solve the above problems.

[0005] The utility model is implemented as follows: a submersible sewage pump inlet filtering and anti-blocking device comprises a submersible sewage pump, a base, a fixing block and a connecting block, wherein the submersible sewage pump is located at the top of the base, the fixing blocks are four in number and are evenly distributed around the top of the base and are fixedly connected to the top of the base, the connecting blocks are four in number and are annularly distributed at the bottom of the submersible sewage pump and are fixedly connected to the bottom of the submersible sewage pump, the surface of the connecting block is in contact with the inner cavity of the fixing block, the material of the connecting block is rubber, and the inner cavity of the fixing block is provided with a placement groove; a filter used in conjunction with the submersible sewage pump is arranged on the top of the base The filter mechanism comprises a filter box, a cover plate and a filter screen, the filter box is located at the top of the base and is fixedly installed with the top of the base by bolts, the cover plate is located at the top of the filter box and is fixedly installed with the top of the filter box by bolts, the filter screen is sleeved on the surface of the filter box and is fixedly connected with the surface of the filter box, the submersible sewage pump is located in the inner cavity of the filter box, the drainage end of the submersible sewage pump passes through the top of the cover plate and extends to the outside of the cover plate; the inner cavity of the placement groove is provided with a positioning mechanism used in conjunction with the submersible sewage pump; the inner cavity of the placement groove is provided with a transmission mechanism used in conjunction with the positioning mechanism.

[0006] In order to improve the installation convenience of the submersible sewage pump, preferably, the positioning mechanism includes two positioning rods, two springs and two pull rods, the two positioning rods are respectively located at the front and rear sides of the inner cavity of the placement groove, the pull rod is located at the right side of the positioning rod and fixedly connected to the right side of the positioning rod, the two springs are respectively located on the opposite side of the two pull rods and fixedly connected to the surface of the positioning rod, and the side of the spring close to the inner wall of the placement groove is fixedly connected to the inner wall of the placement groove. By setting the positioning mechanism, the positioning rod can achieve the effect of quickly assembling the submersible sewage pump and the base through the mutual cooperation of the fixing block and the connecting block, and after the submersible sewage pump is fixed, the material properties of the connecting block can be used to buffer the vibration generated by the submersible sewage pump to avoid unstable connection.

[0007] In order to improve the mobility of the positioning mechanism, preferably, the transmission mechanism includes two square blocks, two traction rods, a movable block, a tension spring and a transmission rod. The two square blocks are respectively located at the front and rear sides of the inner cavity of the placement groove and are fixedly connected to the inner wall of the placement groove. The two traction rods are respectively located at the top of the two square blocks and are movably connected to the top of the square blocks through a rotating shaft. The movable block is located on the right side of the two traction rods, and the raised end of the top of the movable block contacts the surface of the traction rod. The tension spring is located on the right side of the movable block and is fixedly connected to the right side of the movable block. The transmission rod is located at the top of the movable block and is fixedly connected to the top of the movable block. By setting the transmission mechanism, the movable block can achieve the function of quickly driving the positioning rod to move through the mutual cooperation of the traction rod and the pull rod, thereby avoiding the situation where the submersible sewage pump cannot be separated from the fixed state when the submersible sewage pump needs to be dismantled.

[0008] In order to improve the movement stability of the transmission mechanism, preferably, the front and rear sides of the inner cavity of the movable block are movably connected with support rods, and the side of the support rod close to the inner wall of the placement groove is fixedly connected to the inner wall of the placement groove. By setting the support rod, the support rod can enable the movable block to move stably along a certain movement trajectory, thereby avoiding shaking of the movable block during movement.

[0009] In order to improve the moving stability of the positioning mechanism, preferably, a plug-in rod is fixedly connected to the left side of the positioning rod, and a limit block is sleeved on the surface of the plug-in rod. The side of the limit block close to the inner wall of the placement groove is fixedly connected to the inner wall of the placement groove. By setting the plug-in rod and the limit block, the limit block can cooperate with the plug-in rod to limit the positioning rod, thereby avoiding the problem of displacement of the positioning rod during movement.

[0010] In order to improve the docking effect of the positioning rod, preferably, connecting holes are provided on the front and rear sides of the inner cavity of the fixing block, and positioning grooves are provided on the front and rear sides of the connecting block. The opposite ends of the two positioning rods pass through the connecting holes and extend to the inner cavity of the positioning groove. By setting the connecting holes and the positioning grooves, the connecting holes can enable the positioning rod to be quickly docked with the positioning grooves.

[0011] In order to improve the movement effect of the transmission rod, preferably, a movable hole is opened at the top of the fixed block, and the top of the transmission rod passes through the movable hole and extends to the top of the fixed block. By setting the movable hole, the movable hole avoids the transmission rod from contacting the inner wall of the fixed block when moving, thereby generating friction.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model is provided with a submersible sewage pump, a base, a fixed block, a connecting block, a placement groove, a filtering mechanism, a positioning mechanism and a transmission mechanism. According to the opening trajectory of the movable hole, the transmission rod is pulled to move, and the transmission rod drives the movable block to move during the movement. When the movable block moves, the tension spring is stretched and contacts the surface of the traction rod and forces the traction rod. After being forced, the traction rod rotates through the rotating shaft connection point connected to the square block, and the traction rod contacts the inner wall of the pull rod during the rotation and pushes the pull rod to move according to the movable trajectory of the inner cavity of the pull rod. During the movement, the pull rod compresses the spring and drives the positioning rod to move. After the positioning rod moves to a suitable position, the submersible sewage pump is docked with the base. During the docking process, the connecting block needs to be inserted into the inner cavity of the fixed block. After the docking is completed, the transmission rod is released, the tension of the tension spring is contracted, and the filter is quickly brought to the base. The movable block is reset, and the movable block will make the traction rod lose the stress state during the resetting process. After the traction rod loses the stress state, the elastic force of the spring will quickly drive the positioning rod to insert into the inner cavity of the positioning groove through the pull rod. After the positioning rod is inserted into the inner cavity of the positioning groove, the submersible sewage pump and the base can be quickly assembled through the cooperation of the fixed block and the connecting block. After the assembly is completed, the submersible sewage pump is placed in the inner cavity of the sewage pool, and the submersible sewage pump is started. The submersible sewage pump will quickly extract the sewage inside the sewage pool. During the extraction process, the submersible sewage pump will quickly filter the debris, mud or other items inside the sewage pool through the cooperation of the filter box and the filter net. After the filtration is completed, the submersible sewage pump and the cover plate can cooperate with each other to achieve the effect of discharging the extracted sewage, thereby improving the anti-blocking effect at the feed inlet of the submersible sewage pump and the use effect of the submersible sewage pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of a three-dimensional structure provided by an embodiment of the utility model;

[0015] Figure 2 It is a cross-sectional view of a filtering mechanism provided by an embodiment of the utility model;

[0016] Figure 3 It is an assembly exploded diagram of the overall structure provided by the embodiment of the utility model;

[0017] Figure 4 It is an assembly cross-sectional view of a fixing block and a connecting block provided by an embodiment of the utility model;

[0018] Figure 5 It is a schematic diagram of the connection of the internal structure of the placement slot provided by the embodiment of the utility model;

[0019] Figure 6 The utility model embodiment provides Figure 4 A partial enlarged view of point A in the middle.

[0020] In the figure: 1. submersible sewage pump; 2. base; 3. fixing block; 4. connecting block; 5. placement slot; 6. filtering mechanism; 7. positioning mechanism; 8. transmission mechanism; 601. filter box; 602. cover plate; 603. filter screen; 701. positioning rod; 702. spring; 703. pull rod; 801. square block; 802. traction rod; 803. movable block; 804. tension spring; 805. transmission rod; 9. support rod; 10. plug-in rod; 11. limit block; 12. connecting hole; 13. positioning slot; 14. movable hole. DETAILED DESCRIPTION

[0021] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0022] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0023] like Figures 1 to 6As shown, an embodiment of the utility model provides a submersible sewage pump inlet filtering and anti-blocking device, comprising a submersible sewage pump 1, a base 2, a fixing block 3 and a connecting block 4, the submersible sewage pump 1 is located at the top of the base 2, the number of the fixing blocks 3 is four and they are evenly distributed around the top of the base 2 and are fixedly connected to the top of the base 2, the number of the connecting blocks 4 is four and they are annularly distributed at the bottom of the submersible sewage pump 1 and are fixedly connected to the bottom of the submersible sewage pump 1, the surface of the connecting block 4 is in contact with the inner cavity of the fixing block 3, the material of the connecting block 4 is rubber material, and the inner cavity of the fixing block 3 is provided with a placement groove 5; a filtering mechanism 6 used in conjunction with the submersible sewage pump 1 is provided on the top of the base 2, the filtering mechanism 6 comprises a filtering box 601, a cover plate 602 and a filter screen 603, the filtering box 601 is located at the top of the base 2 The cover plate 602 is located at the top of the filter box 601 and is fixedly installed with the top of the filter box 601 by bolts. The filter screen 603 is sleeved on the surface of the filter box 601 and is fixedly connected to the surface of the filter box 601. The submersible sewage pump 1 is located in the inner cavity of the filter box 601. The drainage end of the submersible sewage pump 1 passes through the top of the cover plate 602 and extends to the outside of the cover plate 602. The inner cavity of the placement groove 5 is provided with a positioning mechanism 7 used in conjunction with the submersible sewage pump 1; the inner cavity of the placement groove 5 is provided with a transmission mechanism 8 used in conjunction with the positioning mechanism 7. The positioning mechanism 7 includes two positioning rods 701, two springs 702 and two pull rods 703. The two positioning rods 701 are respectively located at the front and rear sides of the inner cavity of the placement groove 5. The pull rods 703 are Rod 703 is located on the right side of positioning rod 701 and is fixedly connected to the right side of positioning rod 701. Two springs 702 are respectively located on the opposite side of two pull rods 703 and are fixedly connected to the surface of positioning rod 701. The side of spring 702 close to the inner wall of placement groove 5 is fixedly connected to the inner wall of placement groove 5. By setting positioning mechanism 7, positioning rod 701 can achieve the effect of rapid assembly of submersible sewage pump 1 and base 2 through the mutual cooperation of fixing block 3 and connecting block 4. After the submersible sewage pump 1 is fixed, the material characteristics of connecting block 4 can achieve the effect of buffering the vibration generated by submersible sewage pump 1 to avoid the situation of unstable connection. Transmission mechanism 8 includes two square blocks 801, two traction rods 802, and movable block 803. , tension spring 804 and transmission rod 805, the two square blocks 801 are respectively located at the front and rear sides of the inner cavity of the placement groove 5 and are fixedly connected to the inner wall of the placement groove 5, the two traction rods 802 are respectively located at the top of the two square blocks 801 and are movably connected to the top of the square blocks 801 through a rotating shaft, the movable block 803 is located on the right side of the two traction rods 802, and the raised end of the top of the movable block 803 contacts the surface of the traction rod 802, the tension spring 804 is located on the right side of the movable block 803 and is fixedly connected to the right side of the movable block 803, the transmission rod 805 is located on the top of the movable block 803 and is fixedly connected to the top of the movable block 803, by setting the transmission mechanism 8, the movable block 803 plays a role in the mutual cooperation between the traction rod 802 and the pull rod 703,The function of quickly driving the positioning rod 701 to move is achieved, and the situation that the submersible sewage pump 1 cannot be separated from the fixed state when the submersible sewage pump 1 needs to be removed is avoided. The front and rear sides of the inner cavity of the movable block 803 are movably connected with the support rod 9, and the side of the support rod 9 close to the inner wall of the placement groove 5 is fixedly connected to the inner wall of the placement groove 5. By setting the support rod 9, the support rod 9 plays a role in making the movable block 803 move stably according to a certain activity trajectory, and the shaking of the movable block 803 during the movement is avoided. The left side of the positioning rod 701 is fixedly connected with the plug rod 10, and the surface of the plug rod 10 is sleeved with a limit block 11, and the side of the limit block 11 close to the inner wall of the placement groove 5 is fixedly connected to the inner wall of the placement groove 5. By setting the plug rod 10 and the limit block 11, the limit block 11 plays a role in The mutual cooperation of the connecting rods 10 can limit the positioning rod 701, avoiding the problem of displacement of the positioning rod 701 during movement. The front and rear sides of the inner cavity of the fixed block 3 are provided with connecting holes 12, and the front and rear sides of the connecting block 4 are provided with positioning grooves 13. The opposite ends of the two positioning rods 701 pass through the connecting holes 12 and extend to the inner cavity of the positioning groove 13. By setting the connecting holes 12 and the positioning grooves 13, the connecting holes 12 can make the positioning rod 701 quickly dock with the positioning grooves 13. The top of the fixed block 3 is provided with a movable hole 14, and the top of the transmission rod 805 passes through the movable hole 14 and extends to the top of the fixed block 3. By setting the movable hole 14, the movable hole 14 avoids the transmission rod 805 from contacting the inner wall of the fixed block 3 during movement to generate friction.

[0024] The working principle of this utility model:

[0025] When in use, according to the opening trajectory of the movable hole 14, the transmission rod 805 is pulled to move, and the transmission rod 805 will drive the movable block 803 to move during the movement. When the movable block 803 moves, it will stretch the tension spring 804 and contact the surface of the traction rod 802 and apply force to the traction rod 802. After being applied force, the traction rod 802 will rotate through the shaft connection point connected to the square block 801, and the traction rod 802 will contact the inner wall of the pull rod 703 during the rotation and push the pull rod 703 to move according to the active trajectory of the inner cavity of the pull rod 703. During the movement, the pull rod 703 will compress the spring 702 and drive the positioning rod 701 to move. After the positioning rod 701 moves to the appropriate position, the submersible sewage pump 1 is docked with the base 2. During the docking process, the connecting block 4 needs to be inserted into the inner cavity of the fixed block 3. After the docking is completed, the transmission rod 805 is released, the tension of the tension spring 804 is contracted, and the movable block 803 is quickly driven to reset. , and the movable block 803 will make the traction rod 802 lose the state of being stressed during the resetting process. After the traction rod 802 loses the state of being stressed, the elastic force of the spring 702 will quickly drive the positioning rod 701 to insert into the inner cavity of the positioning groove 13 through the pull rod 703. After the positioning rod 701 is inserted into the inner cavity of the positioning groove 13, the submersible sewage pump 1 and the base 2 can be quickly assembled through the mutual cooperation of the fixed block 3 and the connecting block 4. After the assembly is completed, the submersible sewage pump 1 is placed in the inner cavity of the sewage pool, and the submersible sewage pump 1 is started. The submersible sewage pump 1 will quickly extract the sewage inside the sewage pool. During the extraction process, the submersible sewage pump 1 will quickly filter the debris, mud or other items inside the sewage pool through the mutual cooperation of the filter box 601 and the filter net 603. After the filtration is completed, the submersible sewage pump 1 and the cover plate 602 can cooperate with each other to achieve the effect of discharging the extracted sewage, thereby improving the anti-blocking effect at the feed inlet of the submersible sewage pump 1 and the use effect of the submersible sewage pump 1.

[0026] The specific model and specifications of the submersible sewage pump 1 proposed in this application need to be selected and determined according to the actual specifications of the device. The specific selection calculation method, line connection method and control method all adopt the existing technology in this field, so they will not be described in detail.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] The above description is only a preferred embodiment of the utility model, and does not constitute any form of limitation to the utility model. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent will not depart from the scope of the technical solution of the utility model.

Claims

1. A submersible sewage pump inlet filtering and anti-blocking device, comprising a submersible sewage pump (1), a base (2), a fixing block (3) and a connecting block (4), characterized in that: The submersible sewage pump (1) is located on the top of the base (2); the number of the fixing blocks (3) is four and they are evenly distributed around the top of the base (2) and fixedly connected to the top of the base (2); the number of the connecting blocks (4) is four and they are annularly distributed on the bottom of the submersible sewage pump (1) and fixedly connected to the bottom of the submersible sewage pump (1); the surface of the connecting block (4) is in contact with the inner cavity of the fixing block (3); the material of the connecting block (4) is rubber material; and the inner cavity of the fixing block (3) is provided with a placement groove (5); A filtering mechanism (6) for use with the submersible sewage pump (1) is arranged on the top of the base (2), the filtering mechanism (6) comprising a filtering box (601), a cover plate (602) and a filtering net (603); the filtering box (601) is located on the top of the base (2) and is fixedly mounted to the top of the base (2) by means of bolts; the cover plate (602) is located on the top of the filtering box (601) and is fixedly mounted to the top of the filtering box (601) by means of bolts; the filtering net (603) is sleeved on the surface of the filtering box (601) and is fixedly connected to the surface of the filtering box (601); the submersible sewage pump (1) is located in the inner cavity of the filtering box (601); and the drainage end of the submersible sewage pump (1) passes through the top of the cover plate (602) and extends to the outside of the cover plate (602); The inner cavity of the placement groove (5) is provided with a positioning mechanism (7) used in conjunction with the submersible sewage pump (1); The inner cavity of the placement groove (5) is provided with a transmission mechanism (8) used in conjunction with the positioning mechanism (7).

2. A submersible sewage pump inlet filtering and anti-blocking device as claimed in claim 1, characterized in that: The positioning mechanism (7) comprises two positioning rods (701), two springs (702) and two pull rods (703); the two positioning rods (701) are respectively located at the front side and the rear side of the inner cavity of the placement groove (5); the pull rod (703) is located on the right side of the positioning rod (701) and is fixedly connected to the right side of the positioning rod (701); the two springs (702) are respectively located on the opposite side of the two pull rods (703) and are fixedly connected to the surface of the positioning rod (701); and the side of the spring (702) close to the inner wall of the placement groove (5) is fixedly connected to the inner wall of the placement groove (5).

3. A submersible sewage pump inlet filtering and anti-blocking device as claimed in claim 2, characterized in that: The transmission mechanism (8) comprises two square blocks (801), two traction rods (802), a movable block (803), a tension spring (804) and a transmission rod (805); the two square blocks (801) are respectively located at the front and rear sides of the inner cavity of the placement groove (5) and are fixedly connected to the inner wall of the placement groove (5); the two traction rods (802) are respectively located at the top of the two square blocks (801) and are movably connected to the top of the square blocks (801) via a rotating shaft; the movable block (803) is located on the right side of the two traction rods (802); the raised end of the top of the movable block (803) contacts the surface of the traction rod (802); the tension spring (804) is located on the right side of the movable block (803) and is fixedly connected to the right side of the movable block (803); and the transmission rod (805) is located on the top of the movable block (803) and is fixedly connected to the top of the movable block (803).

4. A submersible sewage pump inlet filtering and anti-blocking device as claimed in claim 3, characterized in that: The front and rear sides of the inner cavity of the movable block (803) are both movably connected to support rods (9), and the side of the support rod (9) close to the inner wall of the placement groove (5) is fixedly connected to the inner wall of the placement groove (5).

5. A submersible sewage pump inlet filtering and anti-blocking device as claimed in claim 2, characterized in that: The left side of the positioning rod (701) is fixedly connected to a plug rod (10), the surface of the plug rod (10) is sleeved with a limit block (11), and the side of the limit block (11) close to the inner wall of the placement groove (5) is fixedly connected to the inner wall of the placement groove (5).

6. A submersible sewage pump inlet filtering and anti-blocking device as claimed in claim 2, characterized in that: The front and rear sides of the inner cavity of the fixing block (3) are provided with connection holes (12), the front and rear sides of the connection block (4) are provided with positioning grooves (13), and the opposite ends of the two positioning rods (701) pass through the connection holes (12) and extend to the inner cavity of the positioning grooves (13).

7. A submersible sewage pump inlet filtering and anti-blocking device as claimed in claim 3, characterized in that: A movable hole (14) is provided at the top of the fixed block (3), and the top of the transmission rod (805) passes through the movable hole (14) and extends to the top of the fixed block (3).

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