Centrifugal pump impeller mechanism

Abstract

The utility model belongs to the technical field of centrifugal pumps, and particularly relates to a centrifugal pump impeller mechanism which comprises a supporting component, a blade component and a connecting component, the supporting component comprises a connecting disc, a connecting sleeve and an inserting groove, the connecting sleeve is arranged in the center of the connecting disc, and the inserting groove is formed in the connecting disc; the blade parts are arranged on the inserting grooves, each blade part comprises a blade and an inserting block, and the inserting blocks connected with the inserting grooves are arranged on the blades; the connecting part is arranged on the connecting sleeve, the outer side of the connecting part is connected with the inserting block, the blade is inserted into the inserting groove through the inserting block, then limiting is conducted between the inserting block and the connecting disc through the connecting part, the connecting stability is guaranteed, a detachable structure is formed, and when the blade is damaged during work, the damaged blade can be independently detached and replaced; the whole impeller does not need to be abandoned and replaced, and use cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal pump technical field, concretely is a centrifugal pump impeller mechanism. BACKGROUND

[0002] Centrifugal pump is the water that utilizes impeller rotation and makes the centrifugal motion to work. Water pump must make the pump shell and the water suction pipe be full of water before starting, then starts the motor, makes the pump shaft drive impeller and water do high speed rotation, water centrifugal motion is thrown to the outer edge of impeller, and the flow channel of the worm pump shell is flowed into the water pump's water pressure pipe.

[0003] The basic structure of centrifugal pump is composed of six parts, which are impeller, pump body, pump shaft, bearing, sealing ring and packing gland.

[0004] Because the centrifugal pump pumps water, various impurities in water will be stirred into the impeller, which will cause the impeller to be damaged. The existing impeller is mostly of an integral structure, and when it is damaged, the entire impeller needs to be replaced, which is high in use cost. Therefore, the centrifugal pump impeller mechanism is provided. SUMMARY

[0005] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In view of the above and / or the problems existing in the prior art centrifugal pump impeller mechanism, the utility model is proposed.

[0007] Therefore, the utility model aims to provide a centrifugal pump impeller mechanism. The blades are inserted on the insertion slots through the insertion blocks, and then the connection components are used to limit the insertion blocks and the connecting discs to ensure the stability of the connection and form a detachable structure. When the blades are damaged during work, the damaged blades can be replaced individually without replacing the entire impeller, thereby reducing the use cost.

[0008] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0009] A centrifugal pump impeller mechanism comprises:

[0010] A support component comprises a connecting disc, a connecting sleeve and an insertion slot. The connecting sleeve is arranged at the center of the connecting disc, and the insertion slot is formed in the connecting disc.

[0011] A blade component is arranged on the insertion slot. The blade component comprises blades and insertion blocks. The insertion blocks are arranged on the blades and connected with the insertion slot.

[0012] The connecting part is arranged on the connecting sleeve, and the outer side of the connecting part is connected with the plug block.

[0013] As a preferred scheme of the centrifugal pump impeller mechanism, the insertion slots are evenly distributed on the connecting disc.

[0014] As a preferred scheme of the centrifugal pump impeller mechanism, the connecting part comprises a circular ring and second threads, the circular ring is provided with the second threads on both the inner and outer sides, the inner side of the circular ring is connected with the connecting sleeve through the second threads, the outer side of the circular ring is connected with the plug block through the second threads, and the plug block is provided with first threads connected with the second threads on the side edges.

[0015] As a preferred scheme of the centrifugal pump impeller mechanism, the circular ring is provided with bolts, and the connecting disc is provided with connecting holes connected with the bolts.

[0016] As a preferred scheme of the centrifugal pump impeller mechanism, in the bolt connection state, the circular ring is attached to the connecting disc.

[0017] As a preferred scheme of the centrifugal pump impeller mechanism, the connecting sleeve is provided with a shaft hole in the center, and the shaft hole is provided with a key groove on the side edge.

[0018] As a preferred scheme of the centrifugal pump impeller mechanism, the bolt is a countersunk bolt.

[0019] Compared with the prior art, the insertion slots are formed on the connecting disc, the blades are inserted on the insertion slots through the plug blocks, then the connecting part is arranged between the plug blocks and the connecting disc to limit the position, so that the connection stability is ensured, and a detachable structure is formed, when the blades are damaged due to work, the damaged blades can be individually replaced, the impeller does not need to be replaced as a whole, and the use cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the utility model will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor. Wherein:

[0021] Figure 1 It is the schematic diagram of the shaft side structure of the utility model;

[0022] Figure 2The utility model discloses a side view structure schematic diagram shows that the utility model discloses a support component structure schematic diagram shows that the utility model discloses a blade component structure schematic diagram shows that the utility model discloses a connecting component structure schematic diagram.

[0023] Figure 3 The utility model discloses a support component structure schematic diagram shows that the utility model discloses a blade component structure schematic diagram shows that the utility model discloses a connecting component structure schematic diagram.

[0024] Figure 4 The utility model discloses a blade component structure schematic diagram shows that the utility model discloses a connecting component structure schematic diagram.

[0025] Figure 5 The utility model discloses a connecting component structure schematic diagram.

[0026] In the drawing: 100 support component, 110 connecting disc, 120 connecting sleeve, 130 slot, 200 blade component, 210 blade, 220 plug-in block, 230 first screw thread, 300 connecting component, 310 circular ring, 320 second screw thread, 330 bolt. Specific implementation

[0027] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model will be described in detail below with reference to the drawings.

[0028] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, so the utility model is not limited by the specific implementation disclosed below.

[0029] Secondly, the utility model is described in detail in combination with the schematic diagram, and when the utility model implementation is described in detail, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of the utility model protection here. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0030] In order to make the purpose, technical scheme and advantage of the utility model more clear, the implementation of the utility model will be described in further detail below in combination with the drawings.

[0031] The utility model provides a kind of centrifugal pump impeller mechanism, blade is inserted on slot by plug-in block, then is positioned by connecting component between plug-in block and connecting disc, guaranteeing connection stability, form detachable structure, when blade is broken in work, damaged blade can be individually replaced, without replacing entire impeller, reduce use cost, please refer to Figures 1-5 , comprising: support component 100, blade component 200 and connecting component 300.

[0032] The support component 100 comprises a connecting disc 110, a connecting sleeve 120 and a slot 130, the connecting sleeve 120 is arranged at the center of the connecting disc 110, and the slot 130 is arranged on the connecting disc 110;

[0033] The slot 130 is uniformly distributed on the connecting disc 110, and the connecting sleeve 120 protrudes from both sides of the connecting disc 110.

[0034] The blade component 200 is arranged on the slot 130, and the blade component 200 comprises a blade 210 and a plug 220, the plug 220 is arranged on the blade 210 and connected with the slot 130;

[0035] The blade 210 adopts an integrated structure, and the first screw thread 230 is arranged on the side of the plug 220.

[0036] The connecting component 300 is arranged on the connecting sleeve 120, and the connecting component 300 is connected with the plug 220 on the outer side, specifically, the connecting component 300 comprises a circular ring 310 and a second screw thread 320, the second screw thread 320 is arranged on the inner and outer sides of the circular ring 310, the inner side of the circular ring 310 is connected with the connecting sleeve 120 through the second screw thread 320, and the outer side of the circular ring 310 is connected with the plug 220 through the second screw thread 320.

[0037] After the blade 210 is connected by insertion, the circular ring 310 is screwed between the connecting sleeve 120 and the plug 220 to limit the connecting sleeve 120 and the plug 220, so that the plug 220 is prevented from loosening.

[0038] In order to further ensure the stability of the connection, the circular ring 310 is provided with a bolt 330, the connecting disc 110 is provided with a connecting hole connected with the bolt 330, the bolt 330 is a countersunk bolt, the bolt 330 is further locked in connection, and the circular ring 310 is attached to the connecting disc 110 in the connected state of the bolt 330, so that the structure is compactly connected.

[0039] Since the impeller needs to be connected with the output shaft, the connecting sleeve 120 is provided with a shaft hole at the center, and a key groove is arranged on the side of the shaft hole, so that the connection is stably achieved, and rotation limiting is achieved.

[0040] In specific use, the blade 210 is inserted into the slot 130 through the plug 220, after insertion, the circular ring 310 is screwed between the connecting sleeve 120 and the plug 220 to limit the connecting sleeve 120 and the plug 220, so that the plug 220 is prevented from loosening, then the bolt 330 is further locked in connection to form a stable connection structure, when disassembly and replacement are needed, the bolt 330 is loosened, the circular ring 310 is rotated and taken off, and then the blade 210 is pulled out to be individually disassembled and replaced.

[0041] Although the utility model has been described above with reference to the embodiments, various modifications can be made thereto, and equivalent replacements can be made to the components thereof, without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the embodiments disclosed by the utility model can be combined with each other in any manner, and the combinations are not exhaustively described in the specification merely for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A centrifugal pump impeller mechanism characterized by, The application relates to a support component (100) comprising a connecting disc (110), a connecting sleeve (120) and a slot (130), wherein the connecting sleeve (120) is arranged at the center of the connecting disc (110), and the slot (130) is arranged on the connecting disc (110); a blade component (200) is arranged on the slot (130), wherein the blade component (200) comprises a blade (210) and an insertion block (220), and the insertion block (220) is arranged on the blade (210) and connected with the slot (130); and a connecting component (300) is arranged on the connecting sleeve (120), wherein the connecting component (300) is connected with the insertion block (220) on the outer side. The slot (130) is uniformly distributed on the connecting disc (110) in a circumferential direction. The connecting component (300) comprises a circular ring (310) and a second screw thread (320), the second screw thread (320) is arranged on the inner and outer sides of the circular ring (310), the inner side of the circular ring (310) is connected with the connecting sleeve (120) through the second screw thread (320), the outer side of the circular ring (310) is connected with the insertion block (220) through the second screw thread (320), and the side of the insertion block (220) is provided with a first screw thread (230) connected with the second screw thread (320). The circular ring (310) is provided with a bolt (330), and the connecting disc (110) is provided with a connecting hole connected with the bolt (330).

2. A centrifugal pump impeller mechanism according to claim 1, wherein In the connecting state of the bolt (330), the circular ring (310) is attached to the connecting disc (110).

3. A centrifugal pump impeller mechanism according to claim 1, wherein The connecting sleeve (120) is provided with a shaft hole at the center, and the shaft hole is provided with a key groove on the side.

4. A centrifugal pump impeller mechanism according to claim 3, wherein The bolt (330) is a countersunk bolt.

5. A centrifugal pump impeller mechanism according to claim 4, wherein ​ 6. A centrifugal pump impeller mechanism according to claim 1, wherein ​ 7. A centrifugal pump impeller mechanism as defined in claim 4 wherein, ​

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