CN222633503U - Spiral case based on additive manufacturing - Google Patents

Abstract

The utility model relates to the technical field of water pump shells, and discloses a volute based on additive manufacturing, which comprises two volute components, wherein a plurality of overhaul pipes are fixedly connected to the outer side of one volute component, an annular groove is formed in the middle of the inner side of each overhaul pipe, a sealing groove is formed in the rear portion of the inner side of each overhaul pipe, a sliding groove is formed in the inner side of each overhaul pipe, a plug cover is connected to the inner side of each overhaul pipe in a sliding manner, a plurality of balls are arranged in the plug cover, a clamping block is fixedly connected to the outer side of each plug cover, and a mounting groove is formed in the outer side of each plug cover. According to the utility model, through the mutual matching of the structures such as the overhaul pipe, the annular groove, the sealing groove, the sliding groove, the plug cover, the ball, the clamping block and the like, after the plug cover is inserted into the overhaul pipe, the triangular block is rotated to enable the clamping block to be clamped into the annular groove and staggered with the sliding groove, so that the plug cover can be quickly installed, and the plug cover is more convenient than screwing through bolts.

Description

Spiral case based on additive manufacturing

Technical Field

The utility model relates to the technical field of water pump shells, in particular to a volute based on additive manufacturing.

Background

The water pump is a kind of machinery used for conveying liquid or making the liquid pressurized, it converts the mechanical energy into kinetic energy and pressure energy of the liquid through the rotation of the impeller, thus realize the conveying of the liquid, the water pump is widely used in fields such as agricultural irrigation, urban water supply, industrial production, sewage treatment, etc., according to the difference of the working principle, the water pump can be divided into centrifugal pump, axial-flow pump, mixed-flow pump, reciprocating pump, rotor pump, etc., the spiral case structure for water pump has spiral shape, namely the spiral channel that expands gradually from inlet to outlet, and the gradual change cross section of the inner chamber cross section gradually changes, etc., its function includes gathering the high-speed water flow thrown out from the impeller, make the water flow transition steadily, convert some kinetic energy into pressure energy in order to raise the water pressure, make the water flow can flow to the water outlet relatively evenly, thus reduce hydraulic loss and flow disorder, also offer certain support and fixation for parts such as the impeller.

The water pump access hole improved by the volute in the prior art is used for detecting the inside of the water pump, a cover can be covered after the overhaul is finished and a plurality of bolts are used for tightening, and the installation is troublesome, so that the volute based on additive manufacturing is proposed to solve the problems.

Disclosure of utility model

In order to make up the defects, the utility model provides a volute based on additive manufacturing, and aims to solve the problems that a water pump access hole improved by the volute is used for detecting the interior of a water pump, a cover can be covered after the overhaul is finished, and a plurality of bolts are used for tightening, so that the installation is troublesome.

In order to achieve the above purpose, the spiral case based on additive manufacturing comprises two spiral case parts, wherein a plurality of maintenance pipes are fixedly connected to the outer side of one spiral case part, an annular groove is formed in the middle of the inner side of each maintenance pipe, a sealing groove is formed in the rear portion of the inner side of each maintenance pipe, a sliding groove is formed in the inner side of each maintenance pipe, a plug cover is slidably connected to the inner side of each maintenance pipe, a plurality of balls are installed in the plug cover, a clamping block is fixedly connected to the outer side of each plug cover, a mounting groove is formed in the outer side of each plug cover, a sealing ring is sleeved on the inner side of each mounting groove, a triangular block is fixedly connected to one end of each plug cover, and a plurality of assembly mechanisms are installed on the outer sides of the spiral case parts.

Further, the assembly mechanism comprises two fixing blocks, the outer sides of the fixing blocks are fixedly connected to the outer sides of the volute components, and sliding columns are connected inside the two fixing blocks in a sliding mode.

Further, one end of the sliding column is fixedly connected with a limiting block, and the outer side of the sliding column is fixedly connected with a push plate.

Further, the outside cover of sliding column is equipped with the spring, the outside fixed connection of one end and push pedal of spring, the outside fixed connection of the other end and fixed block of spring.

Further, a plurality of combined blocks are fixedly connected to the outer side of the volute component, and clamping holes are formed in the combined blocks.

Further, the outer side of the sliding column is simultaneously connected with the inner sides of the two clamping holes in a sliding mode.

Further, the outer side of the clamping block is in sliding connection with the inner side of the sliding groove, and the outer side of the clamping block is in sliding connection with the inner side of the annular groove.

Further, the outer side of the sealing ring is attached to the inner side of the sealing groove, and the outer side of the ball is in rolling connection with the inner side of the annular groove.

The utility model has the following beneficial effects:

1. According to the utility model, through the mutual matching of the structures such as the overhaul pipe, the annular groove, the sealing groove, the sliding groove, the plug cover, the ball, the clamping block and the like, after the plug cover is inserted into the overhaul pipe, the triangular block is rotated to enable the clamping block to be clamped into the annular groove and staggered with the sliding groove, so that the plug cover can be quickly installed, and the plug cover is more convenient than screwing through bolts.

2. According to the utility model, through the mutual matching of the structures such as the fixed block, the sliding column, the limiting block, the push plate, the spring, the combined block, the clamping holes and the like, the sliding column is driven to move by stirring and pushing, so that one end of the sliding column is pulled out from the interiors of the two clamping holes, and after all the sliding columns are pulled out, the two volute parts can be easily separated, and the internal maintenance of the volute body is more convenient.

Drawings

Fig. 1 is a perspective view of an additive manufacturing-based volute of the present utility model;

FIG. 2 is a schematic view of a part of a volute based on additive manufacturing according to the present utility model;

Fig. 3 is a schematic diagram of a sliding column structure of a volute based on additive manufacturing according to the present utility model.

Legend description:

1. The spiral case spare, 2, the maintenance pipe, 3, the ring channel, 4, seal groove, 5, spout, 6, plug cover, 7, ball, 8, fixture block, 9, mounting groove, 10, sealing ring, 11, triangle block, 12, fixed block, 13, sliding column, 14, stopper, 15, push plate, 16, spring, 17, combined block, 18, card hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the volute based on additive manufacturing comprises two volute components 1, wherein the volute components 1 are manufactured by a metal additive manufacturing mode, the metal additive manufacturing is an emerging manufacturing technology, also called 3D printing metal, has the advantages of manufacturing objects with complex shapes, needing no die, rapidly manufacturing prototypes and small-batch production, manufacturing personalized objects, reducing material waste and the like, forms a three-dimensional object by stacking metal powder or wires layer by layer, wherein the outer side of one volute component 1 is fixedly connected with a plurality of overhaul pipes 2, the middle part of the inner side of the overhaul pipe 2 is provided with an annular groove 3, the rear part of the inner side of the overhaul pipe 2 is provided with a sealing groove 4, the inner side of the overhaul pipe 2 is provided with a sliding groove 5, the inner side of the overhaul pipe 2 is slidably connected with a plug cover 6, the inner side of the plug cover 6 is provided with a plurality of balls 7, the outer side of the plug cover 6 is fixedly connected with a clamping block 8, aiming the clamping block 8 at the sliding groove 5 and pushing the plug cover 6 into the interior of the overhaul pipe 2, at the moment, the balls 7 are clamped at the inner side of the annular groove 3, so that the plug cover 6 cannot easily fall off, a plurality of springs are arranged in the plug cover 6 and correspond to the balls 7 one by one, the balls 7 are in a supported state, the outer side of the plug cover 6 is provided with the mounting groove 9, the inner side of the mounting groove 9 is sleeved with the sealing ring 10, one end of the plug cover 6 is fixedly connected with the triangular block 11, the triangular block 11 is convenient for a user to operate the plug cover 6, the plug cover 6 completely enters the interior of the overhaul pipe 2, the sealing ring 10 can slide into the sealing groove 4 to seal the overhaul pipe 2, the triangular block 11 is rotated again to enable the clamping block 8 to slide along the inner side of the annular groove 3, at the moment, the clamping block 8 and the sliding groove 5 are staggered, the plug cover 6 can be stably mounted in the interior of the overhaul pipe 2, a plurality of assembly mechanisms are mounted on the outside of the volute component 1.

Referring to fig. 1-3, the assembly mechanism includes two fixed blocks 12, the outside fixed connection of fixed block 12 is in the outside of spiral case spare 1, the inside sliding connection of two fixed blocks 12 has slide column 13, the one end fixedly connected with stopper 14 of slide column 13, stopper 14 can prevent that slide column 13 from coming off, the outside fixedly connected with push pedal 15 of slide column 13, the outside cover of slide column 13 is equipped with spring 16, the one end and the outside fixed connection of push pedal 15 of spring 16, the other end and the outside fixed connection of fixed block 12 of spring 16, the elasticity of spring 16 can make slide column 13 reset fast, the other end of slide column 13 is the pointed end, be convenient for pierce into the inside of two draw-in holes 18, the outside fixed connection of spiral case spare 1 has a plurality of integrated blocks 17, the draw-in hole 18 has been seted up to the inside of integrated block 17, the outside of slide column 13 simultaneously with the inboard sliding connection of two draw-in holes 18, when the spiral case spare 1 is taken apart to maintain, the user can promote push pedal 15 and make the one end of slide column 13 follow the inside of two draw-in from two draw-in holes 18, so two spare 1 can separate, so inside spiral case spare 1 can be easily maintained.

Referring to fig. 1-3, the outer side of the clamping block 8 is slidably connected with the inner side of the sliding groove 5, the outer side of the clamping block 8 is slidably connected with the inner side of the annular groove 3, the outer side of the sealing ring 10 is attached to the inner side of the sealing groove 4, the outer side of the ball 7 is in rolling connection with the inner side of the annular groove 3, the ball 7 can achieve the effect of auxiliary locking, the plug cover 6 is prevented from falling, and the sealing ring 10 is matched with the sealing groove 4 to improve the air tightness of the interior of a pipeline.

The working principle is that when the inside of the volute 1 is overhauled through the overhauling pipe 2, the clamping block 8 can be aligned with the sliding chute 5, the plug cover 6 is pushed into the inside of the overhauling pipe 2, the ball 7 is clamped on the inner side of the annular groove 3, the plug cover 6 cannot easily fall off, the sealing ring 10 can slide into the inner side of the sealing groove 4, the overhauling pipe 2 is sealed, the triangular block 11 is rotated to enable the clamping block 8 to slide along the inner side of the annular groove 3, the clamping block 8 and the sliding chute 5 are staggered, the plug cover 6 can be stably installed in the inside of the overhauling pipe 2, when the volute 1 needs to be disassembled for maintenance, a user can push the push plate 15 to enable one end of the sliding column 13 to be pulled out from the inner sides of the two clamping holes 18, the two volute 1 can be separated, and the inside of the volute 1 can be easily maintained.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims (8)

1. The spiral case based on material increase manufacturing comprises two spiral case parts (1), and is characterized in that one of the spiral case parts (1) is fixedly connected with a plurality of maintenance pipes (2), an annular groove (3) is formed in the middle of the inner side of each maintenance pipe (2), a sealing groove (4) is formed in the rear portion of the inner side of each maintenance pipe (2), a sliding groove (5) is formed in the inner side of each maintenance pipe (2), a plug cover (6) is connected to the inner side of each maintenance pipe (2) in a sliding mode, a plurality of balls (7) are mounted in the plug cover (6), a clamping block (8) is fixedly connected to the outer side of each plug cover (6), a mounting groove (9) is formed in the outer side of each plug cover (6), a sealing ring (10) is sleeved on the inner side of each mounting groove (9), a triangular block (11) is fixedly connected to one end of each plug cover (6), and a plurality of assembly mechanisms are mounted on the outer side of each plug cover (1).

2. The additive manufacturing-based volute of claim 1 wherein the assembly mechanism comprises two fixed blocks (12), the outer sides of the fixed blocks (12) are fixedly connected to the outer sides of the volute component (1), and sliding columns (13) are slidably connected to the inner parts of the two fixed blocks (12).

3. The spiral case based on additive manufacturing of claim 2, wherein one end of the sliding column (13) is fixedly connected with a limiting block (14), and the outer side of the sliding column (13) is fixedly connected with a push plate (15).

4. The spiral case based on additive manufacturing of claim 3, wherein the outside of the sliding column (13) is sleeved with a spring (16), one end of the spring (16) is fixedly connected with the outer side of the push plate (15), and the other end of the spring (16) is fixedly connected with the outer side of the fixed block (12).

5. The spiral case based on additive manufacturing of claim 1, wherein a plurality of combined blocks (17) are fixedly connected to the outer side of the spiral case piece (1), and clamping holes (18) are formed in the combined blocks (17).

6. The additive manufacturing based volute of claim 4 wherein the outer side of the sliding column (13) is simultaneously slidingly connected with the inner sides of two clamping holes (18).

7. The additive manufacturing-based volute of claim 1 wherein the outer side of the fixture block (8) is slidably connected to the inner side of the chute (5) and the outer side of the fixture block (8) is slidably connected to the inner side of the annular groove (3).

8. The additive manufacturing-based volute of claim 1 wherein the outer side of the sealing ring (10) is attached to the inner side of the sealing groove (4) and the outer side of the ball (7) is in rolling connection with the inner side of the annular groove (3).