CN213116832U

CN213116832U - Guide vane type impeller

Info

Publication number: CN213116832U
Application number: CN202021700480.XU
Authority: CN
Inventors: 吉利文
Original assignee: Xinghua Tiantai Alloy Product Technology Co ltd
Current assignee: Xinghua Tiantai Alloy Product Technology Co ltd
Priority date: 2020-08-15
Filing date: 2020-08-15
Publication date: 2021-05-04
Anticipated expiration: 2030-08-15

Abstract

The utility model discloses a stator formula impeller, including the back shaft, the second recess has been seted up to the upper surface of back shaft, the inside correspondence of second recess is provided with the screw thread, the fixed surface of back shaft installs the layer board, the surface of back shaft and the top cover that is located the layer board are equipped with stator formula impeller body, first recess has been seted up to stator formula impeller body's upper surface, the inside of first recess is provided with the runner assembly, the runner assembly passes through the upper surface threaded connection of second recess and back shaft. The utility model discloses a cooperation between runner assembly, second sealing ring and the third sealing ring etc. is effectively sealed with stator formula impeller and back shaft junction through second sealing ring and third sealing ring, and first sealing ring has improved sealed effect at the top once more simultaneously, can prevent effectively that liquid infiltration junctions such as liquid medicine from causing the corruption of junction to rust, and the dismouting of leading the blade formula impeller for the later stage is overhauld and is provided facility.

Description

Guide vane type impeller

Technical Field

The utility model relates to an impeller processing equipment technical field especially relates to a stator formula impeller.

Background

The guide vane is a rotary energy device of the centrifugal pump and is used for collecting liquid thrown out by the impeller, so that the flow velocity of the liquid is reduced, and after part of velocity energy head is converted into pressure energy head, the pressure energy head is uniformly introduced into the next stage or is discharged through the diffusion pipe.

Stator formula impeller in use need regularly overhaul the impeller, but current part stator formula impeller mounting structure is single, and impeller and back shaft junction can rust in long-term use, influences the convenience that the dismouting was overhauld, and the practicality has to treat the improvement. In view of this, research and improvement are made to solve the existing problems, and a guide vane type impeller capable of effectively preventing the joint from rusting is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a guide vane type impeller.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a stator formula impeller, includes the back shaft, the second recess has been seted up to the upper surface of back shaft, the inside correspondence of second recess is provided with the screw thread, the outer fixed surface of back shaft installs the layer board, the surface of back shaft and the top cover that is located the layer board are equipped with stator formula impeller body, first recess has been seted up to stator formula impeller body's upper surface, the inside of first recess is provided with rotating assembly, rotating assembly passes through the upper surface threaded connection of second recess and back shaft, the third recess has been seted up to the below that the upper surface of stator formula impeller body just is located first recess, the inside of third recess is provided with first bolt, first bolt extends to the outside and the threaded connection of layer board has the nut.

As a further description of the above technical solution:

the quantity of third recess is a plurality of, a plurality of the third recess uses the axis of stator formula impeller body to be the symmetry distribution as the symmetry axis.

As a further description of the above technical solution:

the upper surface of stator formula impeller body just is located the below of third recess and runs through and has seted up first through-hole, the upper surface of layer board runs through and has seted up the second through-hole.

As a further description of the above technical solution:

the surface of first bolt just is located the top cover of nut and is equipped with gasket and spring washer, spring washer is located the centre of gasket and nut.

As a further description of the above technical solution:

the bottom of stator formula impeller body runs through and has seted up the third through-hole, the chamfer processing is all done at the upper and lower both ends of third through-hole, the surface of back shaft just is located and is provided with first sealing ring between stator formula impeller body and the layer board.

As a further description of the above technical solution:

the rotating assembly comprises a fixed block, an annular clamping groove is formed in the outer surface of the fixed block, a second sealing ring is arranged inside the annular clamping groove, a second bolt penetrates through the upper surface of the fixed block and is fixedly mounted on the upper surface of the fixed block, and a third sealing ring is arranged on the outer surface of the second bolt and below the fixed block.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this stator formula impeller passes through runner assembly, the cooperation between second sealing ring and the third sealing ring etc, through second sealing ring and third sealing ring with stator formula impeller and back shaft junction effectively sealed, first sealing ring has improved sealed effect once more at the top simultaneously, can prevent effectively that liquid infiltration junctions such as liquid medicine from causing the corruption of junction to rust, the dismouting of leading blade formula impeller provides convenience for the later stage, easy operation has just improved the device's practicality.

2. Compared with the prior art, this stator formula impeller has realized stator formula impeller's portable installation through the cooperation between first through-hole, second through-hole, first bolt and nut etc, and because first bolt symmetry sets up the installation fixed effect better, makes stator formula impeller not hard up easily, easy operation has just improved the device's practicality.

Drawings

Fig. 1 is an internal schematic view of an overall structure of a guide vane type impeller provided by the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1-A;

fig. 3 is a schematic structural diagram of a rotating assembly of a vane impeller according to the present invention.

Illustration of the drawings:

1. a support shaft; 2. a support plate; 3. a vane type impeller body; 4. a first groove; 5. a rotating assembly; 6. a second groove; 7. a third groove; 8. a first bolt; 9. a gasket; 10. a spring washer; 11. a nut; 12. a first through hole; 13. a second through hole; 14. a third through hole; 15. a first seal ring; 501. a fixed block; 502. an annular neck; 503. a second seal ring; 504. a second bolt; 505. and a third seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the utility model provides a pair of stator formula impeller: the guide vane type impeller structure comprises a support shaft 1, wherein a second groove 6 is formed in the upper surface of the support shaft 1, threads are correspondingly arranged in the second groove 6, a supporting plate 2 is fixedly arranged on the outer surface of the support shaft 1, a guide vane type impeller body 3 is sleeved on the outer surface of the support shaft 1 and positioned above the supporting plate 2, a first groove 4 is formed in the upper surface of the guide vane type impeller body 3, a rotating assembly 5 is arranged in the first groove 4, the rotating assembly 5 is in threaded connection with the upper surface of the support shaft 1 through the second groove 6, a third groove 7 is formed in the upper surface of the guide vane type impeller body 3 and positioned below the first groove 4, a first bolt 8 is arranged in the third groove 7, and the first bolt 8 extends to the outer part of the supporting plate 2 and is in threaded connection with; in the practical use of the device, a flange is respectively arranged at the connecting end of the output shaft of the driving force and the supporting shaft 1, and then the two flanges are connected together.

The number of the third grooves 7 is a plurality of, and the third grooves 7 are symmetrically distributed by taking the central axis of the guide vane type impeller body 3 as a symmetry axis. The upper surface of the guide vane type impeller body 3 and the lower part of the third groove 7 are provided with a first through hole 12 in a penetrating way, and the upper surface of the supporting plate 2 is provided with a second through hole 13 in a penetrating way. The outer surface of the first bolt 8 is sleeved with a gasket 9 and a spring washer 10 above the nut 11, and the spring washer 10 is located between the gasket 9 and the nut 11. A third through hole 14 penetrates through the bottom of the guide vane type impeller body 3, the upper end and the lower end of the third through hole 14 are chamfered, and a first sealing ring 15 is arranged on the outer surface of the support shaft 1 and between the guide vane type impeller body 3 and the supporting plate 2; during the use, at first at the surface of back shaft 1 and be located the top installation of layer board 2 a first sealing ring 15, establish stator formula impeller body 3 cover at the surface of back shaft 1 after that, put first bolt 8 into corresponding third recess 7 respectively again to establish gasket 9 and spring washer 10 at the surface cover of first bolt 8 in proper order, at last rethread instrument tighten up corresponding nut 11, the first bolt 8 of symmetry setting can be fine fix stator formula impeller body 3, make it can not take place to become flexible easily. The rotating assembly 5 comprises a fixed block 501, an annular clamping groove 502 is formed in the outer surface of the fixed block 501, a second sealing ring 503 is arranged inside the annular clamping groove 502, a second bolt 504 penetrates through and is fixedly mounted on the upper surface of the fixed block 501, and a third sealing ring 505 is arranged on the outer surface of the second bolt 504 and below the fixed block 501; first bolt 8 and nut 11 tighten the back, overlap third sealing ring 505 in ring groove 502, then put down fixed block 501 and aim at second recess 6 with second bolt 504, tighten runner assembly 5 through the instrument at last, the first sealing ring 15 of setting, second sealing ring 503 and third sealing ring 505 can effectively prevent the infiltration of liquid medicine and other liquid, and then effectively reduce the corruption of stator formula impeller body 3 and back shaft 1 junction and rust, the dismouting maintenance in later stage facilitates.

The working principle is as follows: when the guide vane type impeller is used, firstly, a first sealing ring 15 is arranged on the outer surface of the support shaft 1 and above the supporting plate 2, then the guide vane type impeller body 3 is sleeved on the outer surface of the support shaft 1, then the first bolts 8 are respectively placed into the corresponding third grooves 7, the gaskets 9 and the spring washers 10 are sequentially sleeved on the outer surface of the first bolts 8, finally the corresponding nuts 11 are tightened through tools, and the guide vane type impeller body 3 can be well fixed by the first bolts 8 which are symmetrically arranged, so that the guide vane type impeller body cannot be easily loosened; next, the third sealing ring 505 is sleeved in the annular clamping groove 502, then the fixing block 501 is put down and the second bolt 504 is aligned to the second groove 6, the rotating assembly 5 is finally fastened through tools, the arranged first sealing ring 15, the second sealing ring 503 and the third sealing ring 505 can effectively prevent the penetration of liquid medicine and other liquid, and further corrosion and rusting of the connection part of the guide vane type impeller body 3 and the support shaft 1 are effectively reduced, convenience is brought to later-stage disassembly and overhaul, the operation is simple, and the practicability of the device is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A vane-type impeller comprising a support shaft (1), characterized in that: a second groove (6) is arranged on the upper surface of the supporting shaft (1), threads are correspondingly arranged inside the second groove (6), a supporting plate (2) is fixedly arranged on the outer surface of the supporting shaft (1), a guide vane type impeller body (3) is sleeved on the outer surface of the supporting shaft (1) and positioned above the supporting plate (2), the upper surface of the guide vane type impeller body (3) is provided with a first groove (4), a rotating component (5) is arranged in the first groove (4), the rotating component (5) is in threaded connection with the upper surface of the supporting shaft (1) through a second groove (6), a third groove (7) is arranged on the upper surface of the guide vane type impeller body (3) and below the first groove (4), the third groove (7) is internally provided with a first bolt (8), and the first bolt (8) extends to the outside of the supporting plate (2) and is in threaded connection with a nut (11).

2. A vane-type impeller according to claim 1, characterized in that: the number of the third grooves (7) is a plurality of, and the third grooves (7) are symmetrically distributed by taking the central axis of the guide vane type impeller body (3) as a symmetry axis.

3. A vane-type impeller according to claim 1, characterized in that: the upper surface of the guide vane type impeller body (3) is positioned below the third groove (7) and penetrates through the first through hole (12), and the upper surface of the supporting plate (2) penetrates through the second through hole (13).

4. A vane-type impeller according to claim 1, characterized in that: the outer surface of the first bolt (8) is sleeved with a gasket (9) and a spring washer (10) above the nut (11), and the spring washer (10) is located between the gasket (9) and the nut (11).

5. A vane-type impeller according to claim 1, characterized in that: the guide vane type impeller is characterized in that a third through hole (14) is formed in the bottom of the guide vane type impeller body (3) in a penetrating mode, chamfering processing is conducted on the upper end and the lower end of the third through hole (14), and a first sealing ring (15) is arranged on the outer surface of the supporting shaft (1) and located between the guide vane type impeller body (3) and the supporting plate (2).

6. A vane-type impeller according to claim 1, characterized in that: rotating assembly (5) include fixed block (501), ring groove (502) have been seted up to the surface of fixed block (501), the inside of ring groove (502) is provided with second sealing ring (503), the upper surface of fixed block (501) runs through and fixed mounting has second bolt (504), the surface of second bolt (504) and the below that is located fixed block (501) are provided with third sealing ring (505).