Anti-backflow axial flow pump assembly

Abstract

The anti-backflow axial flow pump assembly comprises an axial flow pump shell, a sliding block is installed on the inner wall of a telescopic sliding groove in a sliding and inserted mode, the upper end of the sliding block is vertically and fixedly connected with a connecting spring, and the other end of the connecting spring is fixedly connected with one end of the inner wall of the telescopic sliding groove. An outer cover block is installed on the outer walls of the axial flow pump shell and the connecting block in a sleeving mode, extension grooves are formed in the two sides of the lower end of the inner wall of the outer cover block, extension rods are installed on the inner walls of the extension grooves in an inserted mode, supporting bases are fixedly connected to the lower ends of the extension rods, and locking rotary knobs are installed at the lower ends of the front side and the rear side of the outer wall of the outer cover block in an inserted mode. According to the anti-backflow axial flow pump assembly, a movable pipe and a water outlet can be driven by a rotating ring to rotate and be flexibly adjusted, a sealing block and a sealing groove can be rapidly rotated and disassembled through a threaded mounting ring and a threaded mounting groove, replacement and use are convenient, a supporting base can be driven by an extension groove, an extension rod and a locking rotary knob to be adjusted in a lifting mode, and the practicability is high. And more flexible placement is facilitated, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of axial flow pump, concretely to a backflow prevention axial flow pump assembly. BACKGROUND

[0002] The axial flow pump is a pump that transports liquid along the axial direction by the force generated by the blades of the rotating impeller, and is often used to transport water in rivers. Because there are a large number of sand and stones in the water in the river, the existing axial flow pump is provided with a filter screen to block the sand and stones.

[0003] The existing backflow prevention axial flow pump assembly CN202320756273.3 can solve the problem of backflow of water in the axial flow pump housing when the axial flow pump stops, thereby facilitating the maintenance of the filter screen of the axial flow pump. However, there are some deficiencies. The existing backflow prevention assembly of the device cannot be quickly disassembled and replaced, the water outlet position cannot be flexibly adjusted, and the placement flexibility is not good, which makes the use inconvenient. Therefore, a backflow prevention axial flow pump assembly is needed to solve the above problems. SUMMARY

[0004] The utility model aims at providing a backflow prevention axial flow pump assembly to solve the problem of the backflow prevention assembly of the backflow prevention axial flow pump assembly mentioned in the background that cannot be quickly disassembled and replaced, the water outlet position cannot be flexibly adjusted, and the placement flexibility is not good, which makes the use inconvenient.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a backflow prevention axial flow pump assembly, comprising an axial flow pump housing, one end edge of the axial flow pump housing is fixedly connected with a connecting block, and the other end of the connecting block is provided with a driving motor, the output end of the driving motor is provided with a rotating shaft, one end of the rotating shaft is fixedly connected with an impeller, and the impeller and the rotating shaft are inserted and installed on the inner wall of the axial flow pump housing, a rotating ring is installed on the edge between the axial flow pump housing and the connecting block, and a movable pipe is rotatably installed between the rotating rings, a water outlet is communicated and installed on one side of the movable pipe, a threaded installation groove is formed in the inner wall of the other end of the water outlet, a threaded installation ring is rotatably inserted and installed in the threaded installation groove, and a mounting sleeve is communicated and installed on one end of the threaded installation ring, a closed groove is installed on the inner wall of the lower end of the mounting sleeve, a closed block is inserted and installed in the closed groove, a through hole is formed in the inner wall of the closed block, a sliding block is fixedly connected with the outer wall of the closed block, the sliding block is slidably inserted and installed on the inner wall of the telescopic sliding groove, a connecting spring is fixedly connected with the upper end of the sliding block, the other end of the connecting spring is fixedly connected with one end of the inner wall of the telescopic sliding groove, an outer cover block is sleeved and installed on the outer wall of the axial flow pump housing and the connecting block, extension grooves are formed in the inner wall of the lower end of the outer cover block, extension rods are inserted and installed in the extension grooves, support seats are fixedly connected with the lower ends of the extension rods, and locking knobs are inserted and installed on the front and rear sides of the lower end of the outer wall of the outer cover block.

[0006] Preferably, the movable pipe and the water outlet are connected to the axial flow pump shell and the connecting block through a rotating ring, and the rotating ring is a damping structure.

[0007] Preferably, the cover block is made of rubber, and the cover block is distributed in a wrapping position with the axial flow pump shell and the connecting block.

[0008] Preferably, the closing block is elastically connected to the closing groove through a sliding block and a connecting spring, and the through holes are distributed in an annular position on the closing block.

[0009] Preferably, the mounting sleeve is rotatably and splicingly mounted with the water outlet through a threaded mounting ring and a threaded mounting groove.

[0010] Preferably, the support seat is connected to the cover block in a lifting manner through an extension groove and an extension rod, and the extension rod is fixedly connected to the extension groove through a locking knob.

[0011] Compared with the prior art, the anti-backflow axial flow pump assembly has the advantages that: the movable pipe and the water outlet can be rotatably and flexibly adjusted through the rotating ring, the closing block and the closing groove can be quickly and rotatably disassembled through the threaded mounting ring and the threaded mounting groove, the support seat can be adjusted in a lifting manner through the extension groove, the extension rod and the locking knob, and the anti-backflow axial flow pump assembly is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view of the anti-backflow axial flow pump assembly of the utility model;

[0013] Figure 2 It is a schematic view of the internal structure of the anti-backflow axial flow pump assembly of the utility model;

[0014] Figure 3 It is a schematic view of the connection between the closing block and the through hole of the anti-backflow axial flow pump assembly of the utility model;

[0015] Figure 4 It is an anti-backflow axial flow pump assembly of the utility model Figure 2 It is an enlarged view of position A in the anti-backflow axial flow pump assembly of the utility model;

[0016] Figure 5 It is an anti-backflow axial flow pump assembly of the utility model Figure 2 It is an enlarged view of position B in the anti-backflow axial flow pump assembly of the utility model;

[0017] Figure 6 It is an anti-backflow axial flow pump assembly of the utility model Figure 2 It is an enlarged view of position C in the anti-backflow axial flow pump assembly of the utility model.

[0018] In the figure: 1, axial flow pump shell, 2, movable pipe, 3, water outlet, 4, cover block, 5, impeller, 6, rotating shaft, 7, closing block, 8, mounting sleeve, 9, driving motor, 10, connecting block, 11, support seat, 12, through hole, 13, sliding block, 14, rotating ring, 15, telescopic sliding slot, 16, connecting spring, 17, closing groove, 18, threaded mounting ring, 19, threaded mounting groove, 20, extension groove, 21, extension rod, 22, locking knob. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a kind of anti-backflow axial flow pump assembly, including axial flow pump shell 1, movable pipe 2, water outlet 3, cover block 4, impeller 5, rotating shaft 6, closing block 7, mounting sleeve 8, driving motor 9, connecting block 10, support seat 11, through hole 12, sliding block 13, rotating ring 14, telescopic sliding slot 15, connecting spring 16, closing groove 17, threaded mounting ring 18, threaded mounting groove 19, extension groove 20, extension rod 21 and locking knob 22, axial flow pump shell 1 one end edge is fixedly connected with connecting block 10, and connecting block 10 other end is equipped with driving motor 9, and driving motor 9 output end is equipped with rotating shaft 6, and its rotating shaft 6 one end is fixedly connected with impeller 5, and impeller 5 and rotating shaft 6 are inserted and installed in the inner wall of axial flow pump shell 1, and rotating ring 14 is installed between the edge of axial flow pump shell 1 and connecting block 10, and movable pipe 2 is rotatably installed between rotating ring 14, and movable pipe 2, water outlet 3 are connected with axial flow pump shell 1 and connecting block 10 by rotating ring 14 and are overturned, and rotating ring 14 is the damping structure, so that movable pipe 2, water outlet 3 are conveniently adjusted in the position of overturning, more flexible.

[0021] Movable pipe 2 side is equipped with water outlet 3, and the other end inner wall of water outlet 3 is equipped with threaded mounting groove 19, threaded mounting ring 18 is rotatably inserted and installed in the inner wall of threaded mounting groove 19, and threaded mounting ring 18 one end is equipped with mounting sleeve 8, and mounting sleeve 8 is rotatably spliced and installed with water outlet 3 by threaded mounting ring 18, threaded mounting groove 19, so that mounting sleeve 8 is conveniently rotated and disassembled, and it is convenient and flexible to replace and use.

[0022] The lower end of the inner wall of the mounting sleeve 8 is provided with a closed groove 17, and the inner wall of the closed groove 17 is provided with a closed block 7 which is inserted and mounted, the closed block 7 is elastically connected with the closed groove 17 through a sliding block 13 and a connecting spring 16, and the through holes 12 are distributed in the annular position on the closed block 7, so that the closed block 7 is convenient to open and close, and the anti-backflow effect is better.

[0023] The inner wall edge of the closed block 7 is provided with a through hole 12, and the outer wall of the closed block 7 is fixedly connected with a sliding block 13 which is slidingly inserted and mounted with the inner wall of the telescopic sliding groove 15, and the upper end of the sliding block 13 is vertically fixedly connected with a connecting spring 16, the other end of the connecting spring 16 is fixedly connected with one end of the inner wall of the telescopic sliding groove 15, the outer wall of the axial flow pump shell 1 and the connecting block 10 is sleeved with a cover block 4, and the lower end of the inner wall of the cover block 4 is provided with an extension groove 20 on both sides, the cover block 4 is made of rubber material, and the cover block 4 is distributed in the wrapping position with the axial flow pump shell 1 and the connecting block 10, so that the cover block 4 can be wrapped and protected.

[0024] The inner wall of the extension groove 20 is inserted and mounted with an extension rod 21, and the lower end of the extension rod 21 is fixedly connected with a support seat 11, the support seat 11 is movably connected with the cover block 4 through the extension groove 20 and the extension rod 21, and the extension rod 21 is lockingly and fixedly connected with the extension groove 20 through a locking knob 22, so that the support seat 11 is convenient to adjust and place stably, has good adaptability, and the outer wall of the cover block 4 is inserted and mounted with the locking knob 22 on the front and rear sides of the lower end.

[0025] Working principle: when the anti-backflow axial flow pump assembly is used, first, the device is connected and installed with the equipment, then the device is supported and placed through the support seat 11, and can be adaptively adjusted through the extension groove 20, the extension rod 21 and the locking knob 22, when used, the impeller 5, the rotating shaft 6 and the driving motor 9 are used for pumping and guiding flow, then the sliding block 13, the telescopic sliding groove 15 and the connecting spring 16 drive the closed block 7 to be elastically expanded upward, and the liquid is guided out through the through hole 12, when the pumping is stopped, the closed block 7 automatically rebounds and closes to prevent backflow, when the installation position of the water outlet 3 needs to be adjusted, the rotating ring 14 is rotated for adjustment, when the closed block 7 is damaged, it can be replaced by rotating and disassembling the threaded mounting ring 18 and the threaded mounting groove 19, which is the use process of the anti-backflow axial flow pump assembly.

[0026] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An anti-backflow axial flow pump assembly, comprising an axial flow pump housing (1), wherein a connecting block (10) is fixedly connected to one edge of the axial flow pump housing (1), and a drive motor (9) is installed at the other end of the connecting block (10), wherein a rotating shaft (6) is installed at the output end of the drive motor (9), and an impeller (5) is fixedly connected to one end of the rotating shaft (6), and the impeller (5) and the rotating shaft (6) are inserted into the inner wall of the axial flow pump housing (1), characterized in that: The edge between the axial flow pump shell (1) and the connecting block (10) is provided with a rotating ring (14), and the rotating ring (14) is rotatably provided with a movable pipe (2), one side of the movable pipe (2) is communicatedly provided with a water outlet (3), and the other end of the water outlet (3) is provided with a threaded mounting groove (19) in the inner wall, the threaded mounting groove (19) is rotatably inserted and mounted with a threaded mounting ring (18), one end of the threaded mounting ring (18) is communicatedly provided with a mounting sleeve (8), the mounting sleeve (8) is provided with a closed groove (17) in the inner wall of the lower end, and the closed groove (17) is inserted and mounted with a closed block (7) in the inner wall, the closed block (7) is provided with a through hole (12) in the inner wall of the edge, and the closed block (7) is fixedly connected with a sliding block (13) on the outer wall, the sliding block (13) is slidably inserted and mounted with a telescopic sliding groove (15), and the sliding block (13) is vertically fixedly connected with a connecting spring (16) on the upper end, the other end of the connecting spring (16) is fixedly connected with one end of the telescopic sliding groove (15), the axial flow pump shell (1) and the connecting block (10) are sleevedly mounted with an outer cover block (4) on the outer wall, and the outer cover block (4) is provided with an extension groove (20) in the inner wall of the lower end of the two sides, the extension groove (20) is inserted and mounted with an extension rod (21) in the inner wall, and the extension rod (21) is fixedly connected with a support seat (11) on the lower end, the outer cover block (4) is inserted and mounted with a locking knob (22) on the outer wall of the front and rear sides of the lower end.

2. A backflow preventing axial flow pump assembly according to claim 1, wherein: The movable pipe (2) and the water outlet (3) are connected in a flip connection through the rotating ring (14) and the axial flow pump shell (1) and the connecting block (10), and the rotating ring (14) is a damping structure.

3. A backflow preventing axial flow pump assembly according to claim 2, wherein: The outer cover block (4) is made of rubber material, and the outer cover block (4) is distributed in a wrapped position with the axial flow pump shell (1) and the connecting block (10).

4. A backflow preventing axial flow pump assembly according to claim 3, wherein: The closed block (7) is elastically connected with the closed groove (17) through the sliding block (13) and the connecting spring (16), and the through hole (12) is distributed in an annular position on the closed block (7).

5. A backflow preventing axial flow pump assembly according to claim 4, wherein: The mounting sleeve (8) is rotatably and splicedly mounted with the water outlet (3) through the threaded mounting ring (18) and the threaded mounting groove (19).

6. A backflow preventing axial flow pump assembly according to claim 5, wherein: The support seat (11) is connected with the outer cover block (4) in a lifting and movable manner through the extension groove (20) and the extension rod (21), and the extension rod (21) is fixedly connected with the extension groove (20) through the locking knob (22).

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