CN216842175U

CN216842175U - High-pressure zirconium pump shell

Info

Publication number: CN216842175U
Application number: CN202123258957.0U
Authority: CN
Inventors: 孙沙
Original assignee: Flowserve Fluid Motion and Control Suzhou Co Ltd
Current assignee: Flowserve Fluid Motion and Control Suzhou Co Ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-06-28
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a high pressure zirconium pump casing, including the pump body, end cover, set up in the pivot of the pump body and be used for connecting the connecting piece of the pump body, end cover, the terminal surface outside of the pump body and the terminal surface outside of end cover all are provided with first mesa, second mesa, first mesa, the second mesa of the pump body correspond with first mesa, the second mesa of end cover and form first mounting groove, second mounting groove, the pivot is in the middle part of the pump body. The utility model discloses a set up even connecting piece, set gradually first convex part, second convex part in the inboard of connecting piece, make first convex part in the installation, the second convex part is in the inside of first mounting groove, second mounting groove respectively, and pass the pump body in proper order through a plurality of first bolts, first convex part, end cover, connect fixedly to the pump body, end cover and connecting piece, thereby after the connection finishes, the second convex part is in the second mounting groove, under the squeezing action of the end cover and the pump body, realize the sealed to connecting the position.

Description

High-pressure zirconium pump shell

Technical Field

The utility model relates to a high-pressure zirconium pump correlation technique field specifically is a high-pressure zirconium pump shell.

Background

A pump is a machine that delivers or pressurizes a fluid. It transfers the mechanical energy of the prime mover or other external energy to the liquid, causing the liquid energy to increase. The pump is mainly used for conveying liquid such as water, oil, acid-base liquid, emulsion, suspension emulsion and liquid metal, and can also be used for conveying liquid, gas mixture and liquid containing suspended solid. Pumps can be generally classified by their operating principle into three types, positive displacement pumps, dynamic pumps and other types of pumps.

The existing high-pressure pump shell has the following defects: the pump body and the end cover are connected through bolts, and leakage easily occurs at the connecting position of the pump body and the end cover due to the high-pressure environment in the high-pressure pump.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure zirconium pump shell to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a high pressure zirconium pump casing, includes the pump body, end cover, sets up the pivot in the pump body and is used for connecting the connecting piece of the pump body, end cover, the terminal surface outside of the pump body and the terminal surface outside of end cover all are provided with first mesa, second mesa, the first mesa, the second mesa of the pump body correspond with first mesa, the second mesa of end cover and form first mounting groove, second mounting groove, the pivot is in the middle part of the pump body, the end cover is run through to the upper end of pivot, the pivot passes through the bearing with the end cover and is connected, the pivot is provided with seal assembly with the end cover junction, the connecting piece is whole to set up to the annular, the inboard surface of connecting piece and the edge butt of the end department of the pump body, end cover, the inboard surface of connecting piece is provided with first convex part, the surface of first convex part is provided with the second convex part, first convex part, second convex part are in first mounting groove respectively, And in the second mounting groove, the first convex part is connected with the pump body and the end cover through bolts and nuts.

As a further preferable mode of the present technical solution, the housing, the end cap, the rotating shaft, and the connecting member are all made of zirconium 702C.

As a further preferred of this technical scheme, seal assembly includes retainer plate, sealing member, the retainer plate sets up the inboard surface at the end cover, the retainer plate with be in the outside of pivot, the outside surface of retainer plate is provided with the external screw thread, the connecting groove has been seted up to the upper end terminal surface of sealing member, the sealing member is provided with the internal thread in connecting groove department, the internal thread closes with the external screw thread soon.

As a further preferred feature of the present technical solution, the middle of the sealing element is sleeved outside the rotating shaft by forming a through hole, and a first sealing ring is disposed at a joint of the sealing element and the rotating shaft.

As a further preferable mode of the present invention, a sealing cover is disposed on a connection portion of the outer side surface of the end cover and the rotating shaft, the sealing cover is connected to the end cover through a bolt, and a cavity is formed between the inner side surface of the sealing cover and the outer side surface of the end cover.

As a further preferred feature of the present technical solution, the end cap is provided with two sets of second sealing rings at the cavity.

In a further preferred embodiment of the present invention, the second protruding portion is entirely made of a rubber material, and a thickness of the second protruding portion is larger than a width of the second mounting groove.

The utility model provides a high pressure zirconium pump shell possesses following beneficial effect:

(1) the utility model discloses a set up even connecting piece, set gradually first convex part, second convex part in the inboard of connecting piece, make first convex part in the installation, the second convex part is in the inside of first mounting groove, second mounting groove respectively, and pass the pump body in proper order through a plurality of first bolts, first convex part, end cover, connect fixedly to the pump body, end cover and connecting piece, thereby after the connection finishes, the second convex part is in the second mounting groove, under the squeezing action of the end cover and the pump body, realize the sealed to connecting the position.

(2) The utility model discloses a set up seal assembly, set up seal assembly's retainer plate in the inboard of end cover, and be in the outside of pivot, establish seal assembly's sealing member cover in the outside of pivot simultaneously to make sealing member and retainer plate pass through threaded connection, thereby in the use, improve the leakproofness of end cover and pivot junction, further holistic sealing performance of improvement device.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged view of the utility model at a in fig. 1;

fig. 3 is an enlarged view of the utility model at the position B in fig. 1;

fig. 4 is a schematic structural view of the first table top and the second table top of the present invention;

fig. 5 is a schematic structural view of the first mounting groove and the second mounting groove of the present invention;

fig. 6 is a schematic view of the connection between the fixing ring and the sealing member of the present invention.

In the figure: 1. a pump body; 2. an end cap; 3. a rotating shaft; 4. a first table top; 5. a second table top; 6. a connecting member; 7. a first convex portion; 8. a second convex portion; 9. a fixed ring; 10. a seal member; 11. sealing the cover; 12. a cavity; 13. a second seal ring; 14. a first bolt; 15. a nut; 16. a second bolt; 17. a first mounting groove; 18. a second mounting groove; 19. an external thread; 20. connecting grooves; 21. an internal thread.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-6, the utility model provides a technical scheme: a high-pressure zirconium pump shell comprises a pump body 1, an end cover 2, a rotating shaft 3 arranged in the pump body 1 and a connecting piece 6 used for connecting the pump body 1 and the end cover 2, wherein a first table top 4 and a second table top 5 are arranged on the outer side of the end face of the pump body 1 and the outer side of the end face of the end cover 2, the first table top 4 and the second table top 5 of the pump body 1 correspond to the first table top 4 and the second table top 5 of the end cover 2 to form a first mounting groove 17 and a second mounting groove 18, the rotating shaft 3 is positioned in the middle of the pump body 1, the upper end of the rotating shaft 3 penetrates through the end cover 2, the rotating shaft 3 is connected with the end cover 2 through a bearing, a sealing component is arranged at the joint of the rotating shaft 3 and the end cover 2, the connecting piece 6 is integrally arranged in an annular shape, the inner side surface of the connecting piece 6 is abutted to the edges of the ends of the pump body 1 and the end cover 2, a first convex part 7 is arranged on the inner side surface of the connecting piece 6, the surface of the first convex part 7 is provided with a second convex part 8, the first convex part 7 and the second convex part 8 are respectively arranged in a first mounting groove 17 and a second mounting groove 18, and the first convex part 7 is connected with the pump body 1 and the end cover 2 through a first bolt 14 and a nut 15.

In this embodiment, specifically: the shell, the end cover 2, the rotating shaft 3 and the connecting piece 6 are all made of zirconium 702C.

In this embodiment, specifically: seal assembly includes retainer plate 9, sealing member 10, retainer plate 9 sets up the inboard surface at end cover 2, retainer plate 9 with be in the outside of pivot 3, the outside surface of retainer plate 9 is provided with external screw thread 19, spread groove 20 has been seted up to the upper end terminal surface of sealing member 10, sealing member 10 is provided with internal thread 21 in spread groove 20 department, internal thread and external screw thread 19 close soon.

In this embodiment, specifically: the middle part of the sealing element 10 is sleeved on the outer side of the rotating shaft 3 through a through hole, and a first sealing ring is arranged at the joint of the sealing element 10 and the rotating shaft 3.

In this embodiment, specifically: the outer side surface of end cover 2 is provided with closing cap 11 with the junction of pivot 3, closing cap 11 is connected through second bolt 16 with end cover 2, the inner side surface of closing cap 11 and the outer side surface of end cover 2 form cavity 12, through injecting lubricating oil in cavity 12 to lubricate pivot 3 and end cover 2 junction bearing.

In this embodiment, specifically: the end cap 2 is provided with two sets of second sealing rings 13 at the cavity 12.

In this embodiment, specifically: the second convex part 8 is integrally made of rubber, and the thickness of the second convex part 8 is larger than the width of the second mounting groove 18.

In the working principle, when the sealing device is used, the connecting piece 6 is sleeved on the outer side of the end face of the pump body 1, the first convex part 7 and the second convex part 8 are respectively positioned on the first table top 4 and the second table top 5 of the end face of the pump body 1, the end cover 2 is installed at the end of the pump body 1, the first table top 4 and the second table top 5 of the end cover 2 are abutted against the first convex part 7 and the second convex part 8, a plurality of first bolts 14 sequentially penetrate through the pump body 1, the first convex part 7 and the end cover 2 and are connected with the first bolts 14 through nuts, so that the end cover 2 and the pump body 1 are connected and fixed, after the connection is completed, the second convex part 8 is positioned in the second mounting groove 18, the connection part is sealed under the extrusion action of the end cover 2 and the pump body 1, meanwhile, the sealing assembly is arranged at the connection part of the end cover 2 and the rotating shaft 3, the sealing performance between the end cover 2 and the rotating shaft 3 is improved, and the whole sealing performance is further improved, meanwhile, the shell, the end cover 2, the rotating shaft 3 and the connecting piece 6 are all made of zirconium 702C, and the overall strength is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The high-pressure zirconium pump shell is characterized by comprising a pump body (1), an end cover (2), a rotating shaft (3) arranged in the pump body (1) and a connecting piece (6) used for connecting the pump body (1) and the end cover (2), wherein a first table top (4) and a second table top (5) are arranged on the outer side of the end face of the pump body (1) and the outer side of the end face of the end cover (2), the first table top (4) and the second table top (5) of the pump body (1) and the first table top (4) and the second table top (5) of the end cover (2) correspondingly form a first mounting groove (17) and a second mounting groove (18), the rotating shaft (3) is positioned in the middle of the pump body (1), the upper end of the rotating shaft (3) penetrates through the end cover (2), the rotating shaft (3) is connected with the end cover (2) through a bearing, and a sealing assembly is arranged at the joint of the rotating shaft (3) and the end cover (2), the utility model discloses a pump, including connecting piece (6), connecting piece (6) whole sets up to the annular, the edge butt of the interior side surface of connecting piece (6) and the end department of the pump body (1), end cover (2), the interior side surface of connecting piece (6) is provided with first convex part (7), the surface of first convex part (7) is provided with second convex part (8), first convex part (7), second convex part (8) are in the inside of first mounting groove (17), second mounting groove (18) respectively, first convex part (7) are connected through first bolt (14), nut (15) with the pump body (1), end cover (2).

2. The high pressure zirconium pump housing of claim 1, wherein: the shell, the end cover (2), the rotating shaft (3) and the connecting piece (6) are all made of zirconium 702C.

3. The high pressure zirconium pump housing of claim 1, wherein: seal assembly includes retainer plate (9), sealing member (10), retainer plate (9) set up the inboard surface at end cover (2), retainer plate (9) and the outside that is in pivot (3), the outside surface of retainer plate (9) is provided with external screw thread (19), spread groove (20) have been seted up to the upper end terminal surface of sealing member (10), sealing member (10) are provided with internal thread (21) in spread groove (20) department, the internal thread closes with external screw thread (19) soon.

4. A high pressure zirconium pump housing according to claim 3, wherein: the middle part of the sealing element (10) is sleeved on the outer side of the rotating shaft (3) through a through hole, and a first sealing ring is arranged at the joint of the sealing element (10) and the rotating shaft (3).

5. The high pressure zirconium pump housing of claim 1, wherein: the outer side surface of the end cover (2) is provided with a sealing cover (11) at the joint of the outer side surface and the rotating shaft (3), the sealing cover (11) is connected with the end cover (2) through a second bolt (16), and a cavity (12) is formed between the inner side surface of the sealing cover (11) and the outer side surface of the end cover (2).

6. The high pressure zirconium pump housing of claim 5, wherein: and two groups of second sealing rings (13) are arranged at the cavity (12) of the end cover (2).

7. The high pressure zirconium pump housing of claim 1, wherein: the second convex part (8) is integrally made of rubber materials, and the thickness of the second convex part (8) is larger than the width of the second mounting groove (18).