Self-adjusting inducer of multistage pump

Abstract

The self-adjusting inducer for the multistage pump is provided with the connecting pump shaft, the connecting pump shaft is provided with the connecting component, the connecting pump shaft is provided with the mounting sleeve, the locking bolt is arranged between the mounting sleeve and the connecting pump shaft, and the mounting sleeve is provided with the connecting convex block, so that the assembly efficiency is better; a connecting sheath is arranged on the inducer, the inducer can be further assembled with a motor transmission shaft by means of the connecting sheath, a locking piece is arranged on the connecting sheath, the inducer can tightly lean against a bolt by means of the locking piece, and then when the bolt and the connecting sheath are locked, the locking piece can be tightly locked by means of the locking piece. The gap between the bolt and the connecting sheath is filled by the sealing gasket on the locking sheet, so that the bolt and the connecting sheath are assembled more stably.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of multistage pump components, specifically to multistage pump self-regulating inducer. BACKGROUND

[0002] Multistage pump is a kind of drainage pump, is suitable for mine, factory and city water supply and drainage, is used to transport solid particles-free clear water, rely on multistage pump can well carry out drainage operation, efficiency is further improved when drainage operation, meet the needs of drainage, when multistage pump operates, many accessories will be needed, inducer will be used in these accessories, drainage can be well carried out using inducer, and drainage power is further enhanced.

[0003] In prior art: CN202321589277.3 a new high anti-cavitation inducer, the utility model belongs to multistage pump technical field, specifically to a new high anti-cavitation inducer, including, pump body and impeller group, the impeller group includes impeller and the inducer connected with it, impeller group connects the pump body, the pump body includes first shell and second shell, the second shell is equipped with annular groove in the inducer near side, the inducer is equipped with a plurality of drainage holes. By opening hole at inducer blade hub and setting annular groove in front of inducer.

[0004] Prior art provides a brand-new inducer structure to improve the inflow state in front of inducer, further improves the anti-cavitation performance of inducer, but prior art has the problem that inducer assembly and motor shaft cannot be efficiently assembled, and the stability of assembly is also lacking. UTILITY MODEL CONTENTS

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a multistage pump self-regulating inducer.

[0006] The utility model adopts the following technical scheme: multistage pump self-regulating inducer is provided with a connecting pump shaft, a connecting part is arranged on the connecting pump shaft, a mounting sleeve is arranged on the connecting pump shaft, a locking bolt is arranged between the mounting sleeve and the connecting pump shaft, a connecting protrusion is arranged on the mounting sleeve, an inducer is arranged on the connecting protrusion, a connecting bolt is arranged between the inducer and the connecting protrusion, the connecting part is a connecting sheath, a connecting space is arranged on the connecting sheath, a sliding groove is arranged on the connecting sheath, a locking part is arranged in the sliding groove, the locking part is a locking sheet, an assembly hole is arranged between the locking sheets, and a bolt is arranged in the assembly hole.

[0007] The sliding groove is located on the outer surface of the connecting sheath, the locking sheet is arranged in the sliding groove, the locking sheet moves in the sliding groove, and a sealing gasket is arranged on the outer surface of the locking sheet.

[0008] The sealing gasket is fixed between the sealing gasket and the locking sheet by means of a screw.

[0009] The inner wall of the connecting sheath is provided with an internal thread, and the bottom of the connecting sheath is provided with a anti-collision part, which is an anti-collision sleeve.

[0010] The anti-collision sleeve and the connecting sheath are provided with an elastic part, which is an elastic column, and the elastic column is a flexible rubber elastic column.

[0011] Compared with the prior art, when the inducer is assembled, the connecting pump shaft can be used as the main supporting part for assembling the inducer, the connecting protrusion is arranged on the connecting pump shaft, the connecting protrusion can be used for further assembling the inducer, and the assembling efficiency is better, the connecting sheath is arranged on the inducer, the connecting sheath can be used for further assembling the inducer and the motor transmission shaft, the locking sheet is arranged on the connecting sheath, the locking sheet can be tightly arranged on the bolt, and when the bolt and the connecting sheath are locked, the sealing gasket on the locking sheet fills the gap between the bolt and the connecting sheath, so that the assembling of the bolt and the connecting sheath is more stable. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a structural schematic diagram of the utility model;

[0013] Figure 2 is a structural schematic diagram of the utility model;

[0014] Figure 3 is a sectional view of the utility model;

[0015] In the figure, 1 is a connecting pump shaft, 2 is a mounting sleeve, 3 is a locking bolt, 4 is a connecting protrusion, 5 is an inducer, 6 is a connecting sheath, 7 is a locking sheet, 8 is an assembling hole, 9 is a bolt, 10 is a sealing gasket, 11 is an anti-collision sleeve, and 12 is an elastic column. DETAILED DESCRIPTION

[0016] In the following, the utility model is further described in combination with the drawings and the specific implementation mode, and it should be noted that, under the premise of no conflict, the following described embodiments or technical features can be combined to form new embodiments.

[0017] Multi-stage pump self-adjusting inducer, be provided with connecting pump shaft 1, be provided with connecting component on connecting pump shaft 1, be provided with mounting sleeve 2 on connecting pump shaft 1, be provided with locking bolt 3 between mounting sleeve 2 and connecting pump shaft 1, be provided with connecting lug 4 on mounting sleeve 2, be provided with inducer 5 on connecting lug 4, be provided with connecting bolt between inducer 5 and connecting lug 4, the connecting component is connecting sheath 6, be provided with connecting space on connecting sheath 6, be provided with sliding slot on connecting sheath, be provided with locking component in sliding slot, the locking component is locking piece 7, be provided with assembly hole 8 between locking piece 7, be provided with bolt 9 in assembly hole 8.

[0018] In order to let inducer better and motor transmission shaft further assembly, can be provided with connecting sheath 6 on inducer 5, rely on connecting sheath 6 can and motor transmission shaft further assembly, in order to let connecting sheath 6 and motor transmission shaft assembly more stable, can utilize bolt further fixed, considering the gap between bolt and connecting sheath 6, can be provided with locking piece 7 between the two, utilize locking piece 7 can be well let bolt fixed on connecting sheath 6, sliding slot is located on the outer surface of connecting sheath 6, the sliding slot is provided with locking piece 7, locking piece 7 moves in sliding slot, sealing gasket is provided on the outer surface of locking piece 7, sealing gasket is sealing rubber sheet 10, utilize sealing rubber sheet can well let the sealing gap between bolt 9 and connecting sheath 6 further fill full, so that the fixation of bolt can be more stable, the sealing rubber sheet 10 and locking piece 7 rely on screw fixed, the sealing rubber sheet 10 adopts flexible sealing rubber sheet.

[0019] Utilize connecting sheath 6 and motor transmission shaft further stable assembly, so the inner thread is provided on the inner wall of connecting sheath 6, the connecting sheath bottom is provided with anti-impact component, the anti-impact component is anti-impact sleeve 11, the anti-impact sleeve 11 and connecting sheath 6 are provided with elastic component, the mutual cooperation of anti-impact sleeve 11 and elastic component can let motor transmission shaft and connecting sheath 6 between the wear rate reduces, so that the anti-impact ability of connecting sheath 6 and motor transmission shaft between the bottom is also strong, the elastic component is elastic column 12, the elastic column 12 adopts flexible rubber elastic column.

[0020] The above embodiment is only the preferred embodiment of the present application, which cannot be used to limit the scope of the present application, and any non-substantial changes and replacements made by the person skilled in the art on the basis of the present application shall fall within the scope of the present application.

Claims

1. A multi-stage pump with a self-adjusting inducer wheel, comprising a connecting pump shaft, a connecting component on the connecting pump shaft, a mounting sleeve on the connecting pump shaft, a locking bolt between the mounting sleeve and the connecting pump shaft, a connecting protrusion on the mounting sleeve, an inducer wheel mounted on the connecting protrusion, and a connecting bolt between the inducer wheel and the connecting protrusion, characterized in that: The connecting part is a connecting sheath, the connecting sheath is provided with a connecting space, the connecting sheath is provided with a sliding slot, the sliding slot is provided with a locking part, the locking part is a locking sheet, the locking sheets are provided with an assembling hole, and the assembling hole is provided with a bolt.

2. The self-regulating inducer of a multi-stage pump according to claim 1, characterized in that: The sliding slot is located on the outer surface of the connecting sheath, the sliding slot is provided with the locking sheet, the locking sheet moves in the sliding slot, and the outer surface of the locking sheet is provided with a sealing gasket.

3. The self-regulating inducer of a multi-stage pump according to claim 2, characterized in that: The sealing gasket is a sealing rubber sheet, the sealing rubber sheet and the locking sheet are fixed through screws, and the sealing rubber sheet is a flexible sealing rubber sheet.

4. The self-regulating inducer of a multi-stage pump of claim 1, wherein: The inner wall of the connecting sheath is provided with an internal thread, the bottom of the connecting sheath is provided with a anti-collision part, and the anti-collision part is an anti-collision sleeve.

5. The self-regulating inducer of a multi-stage pump according to claim 4, characterized in that: The anti-collision sleeve and the connecting sheath are provided with an elastic part, the elastic part is an elastic column, and the elastic column is a flexible rubber elastic column.

Images