CN216044373U

CN216044373U - Casting end cover for pneumatic pump

Info

Publication number: CN216044373U
Application number: CN202122495190.7U
Authority: CN
Inventors: 徐明生
Original assignee: Changzhou Jintan Chenghui Machinery Manufacture Co ltd
Current assignee: Changzhou Jintan Chenghui Machinery Manufacture Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-03-15
Anticipated expiration: 2031-10-15

Abstract

The utility model relates to the technical field of pneumatic pumps, in particular to a cast end cover for a pneumatic pump, which comprises an annular front end wall and an annular rear end wall, wherein a cylindrical side wall is arranged between the front end wall and the rear end wall, a first convex reinforcing rib is arranged around the periphery of the side wall, a plurality of rings of sealing ring mounting grooves are arranged at the front end of the front end wall, a through hole is formed in the rear end wall and used for bearing a pneumatic pump component to pass through, a component mounting groove is formed in the rear end wall, a second reinforcing rib is arranged at the rear end of the rear end wall, the front end of the front end wall is polished, the front end wall, the rear end wall and the side wall are of an aluminum alloy integrated casting structure, the section of the sealing ring mounting groove is trapezoidal, and a sealing ring is clamped in the sealing ring mounting groove; the utility model adopts casting process production, has high strength, saves materials, realizes lightweight design, and further improves the sealing property because the sealing ring mounting groove with the trapezoidal section structure is not provided with the traditional connecting hole.

Description

Casting end cover for pneumatic pump

Technical Field

The utility model relates to the technical field of pneumatic pumps, in particular to a cast end cover for a pneumatic pump.

Background

The pneumatic pump is a medium conveying equipment, adopts compressed air as power source, and can pump various corrosive liquids, liquids with particles, high-viscosity, volatile, inflammable and extremely toxic liquids.

The end cover is an indispensable component of the existing pneumatic pump, and needs to bear larger pressure in the working process of the pneumatic pump, so that the end cover needs to have high strength and sealing performance, and simultaneously needs to have the characteristics of light weight, easiness in installation and the like.

Disclosure of Invention

The purpose of the utility model is: a cast end cover for a pneumatic pump is provided.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a casting end cover for pneumatic pump, includes annular front end wall of circle and rear end wall, be provided with the lateral wall of cylinder between front end wall and the rear end wall, the peripheral even strengthening rib one that is provided with a plurality of evaginations that encircles of lateral wall, the front end of front end wall is provided with a plurality of rings of sealing ring mounting grooves, the center of rear end wall is provided with the perforating hole, the perforating hole is used for bearing pneumatic pump spare and passes through, be provided with the part mounting groove on the rear end wall, the rear end of rear end wall is provided with a plurality of strengthening ribs two, interconnect between each strengthening rib two.

Further, the outer diameter of the side wall is tapered from the front end wall to the rear end wall.

Further, the number of the sealing ring mounting grooves is 1-3 circles.

Further, the front end of the front end wall is subjected to grinding and polishing treatment, and the surface roughness Ra is less than or equal to 0.8 mu m.

Furthermore, the front end wall, the rear end wall and the side wall are of an aluminum alloy material integrally cast structure.

Furthermore, the thickness of the thinnest part of the first reinforcing rib and the second reinforcing rib is more than or equal to 3 mm.

Further, the section of sealing ring mounting groove is trapezoidal, the width of sealing ring mounting groove is expanded to inside by the preceding terminal surface of front end wall gradually, the inside card of sealing ring mounting groove has the sealing ring.

The technical scheme adopted by the utility model has the beneficial effects that:

the cast end cover for the pneumatic pump is moderate in thickness and high in strength, saves materials and realizes lightweight design. The product is produced by adopting a casting process, the structure and the structure of the product are compact, the finished product rate is high, less processing or no processing is needed in the later period, and the thickness of the casting wall at the thinnest part can reach 3mm, so that the structural strength of the product is improved, and the manufacturing cost is reduced; the sealing ring mounting grooves with the plurality of rings of trapezoidal section structures are arranged, so that the sealing ring is not easy to separate and has excellent sealing property; by arranging the reinforcing ribs, the strength and the rigidity of the part can be increased under the condition of not increasing the wall thickness of the part, and the reinforcing ribs can also serve as internal flow channels to facilitate the flow in casting; the aluminum alloy is adopted for casting, so that the weight is light and the strength is high; and the traditional connecting holes are not arranged, so that the sealing property is further improved, and the casting process is facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Figure 1 is a schematic perspective view of the present invention,

figure 2 is a schematic perspective view of another embodiment of the present invention,

FIG. 3 is a cross-sectional view of a seal ring installation groove of the present invention,

in the figure: 1-a front end wall; 2-a rear end wall; 3-side wall; 4, reinforcing ribs I; 5-a sealing ring mounting groove; 6-through holes; 7-reinforcing rib II; 8-a sealing ring; 9-component mounting groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "width", "thickness", "front", "back", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, a cast end cover for a pneumatic pump comprises a front end wall 1 and a rear end wall 2 which are annular, a cylindrical side wall 3 is arranged between the front end wall 1 and the rear end wall 2, the outer diameter of the side wall 3 is gradually reduced from the front end wall 1 to the rear end wall 2, the front end wall 1, the rear end wall 2 and the side wall 3 are of an aluminum alloy integral casting structure, the integral strength is high, and few processing or no processing is needed in the later stage; a plurality of convex reinforcing ribs I4 are uniformly arranged on the periphery of the side wall 3 in a surrounding mode, the thickness of the thinnest part of each reinforcing rib I4 is larger than or equal to 3mm, the reinforcing ribs I4 are used for increasing the strength of the side wall 3, and the reinforcing ribs I4 are also connected with the rear end of the front end wall 1 to further enhance the connection rigidity between the front end wall and the front end wall; the front end of the front end wall 1 is subjected to grinding and polishing treatment, the surface roughness Ra is less than or equal to 0.8 mu m, the sealing performance is good, 1-3 circles of sealing ring installation grooves 5 are formed in the front end of the front end wall 1, the section of each sealing ring installation groove 5 is trapezoidal, the width of each sealing ring installation groove 5 is gradually enlarged from the front end face of the front end wall 1 to the inside, a sealing ring 8 is clamped in each sealing ring installation groove 5, and the trapezoidal structure ensures that the sealing ring 8 is not easy to fall off after being installed; the center of the rear end wall 2 is provided with a through hole 6, the through hole 6 is used for bearing the parts of the pneumatic pump to pass through, and the rear end wall 2 is provided with a part mounting groove 9 for mounting other parts of the pneumatic pump; the rear end of the rear end wall 2 is provided with a plurality of second reinforcing ribs 7, the second reinforcing ribs 7 are connected with one another, the thickness of the thinnest part of each second reinforcing rib 7 is larger than or equal to 3mm, the strength and the rigidity of the part can be improved by the first reinforcing ribs 4 and the second reinforcing ribs 7 under the condition that the wall thickness of the part is not increased, and in addition, the second reinforcing ribs can also serve as internal runners, so that the flow in the casting process is facilitated; according to the casting end cover for the pneumatic pump, the traditional connecting hole is not formed, so that the sealing performance is further improved, the casting process is facilitated, the traditional screw bolt connection is not needed, and the clamp, the hoop and the like are adopted for connection.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a casting end cover for pneumatic pump which characterized in that: including annular front end wall (1) of circle and rear end wall (2), be provided with between front end wall (1) and rear end wall (2) lateral wall (3) of cylinder, the periphery of lateral wall (3) evenly encircles strengthening rib (4) that are provided with a plurality of evaginations, the front end of front end wall (1) is provided with a plurality of rings sealing ring mounting groove (5), the center of rear end wall (2) is provided with perforating hole (6), perforating hole (6) are used for bearing the pneumatic pump part and pass through, be provided with part mounting groove (9) on rear end wall (2), the rear end of rear end wall (2) is provided with a plurality of strengthening ribs two (7), interconnect between each strengthening rib two (7).

2. The cast end cover for an air pump according to claim 1, wherein: the outer diameter of the side wall (3) is gradually reduced from the front end wall (1) to the rear end wall (2).

3. The cast end cover for an air pump according to claim 1, wherein: the number of the sealing ring mounting grooves (5) is 1-3 circles.

4. The cast end cover for an air pump according to claim 1, wherein: the front end of the front end wall (1) is subjected to grinding and polishing treatment, and the surface roughness Ra is less than or equal to 0.8 mu m.

5. The cast end cover for an air pump according to claim 1, wherein: the front end wall (1), the rear end wall (2) and the side wall (3) are of an aluminum alloy material integrally cast structure.

6. The cast end cover for an air pump according to claim 1, wherein: the thickness of the thinnest part of the reinforcing rib I (4) and the reinforcing rib II (7) is more than or equal to 3 mm.

7. The cast end cover for an air pump according to claim 1, wherein: the section of sealing ring mounting groove (5) is trapezoidal, the width of sealing ring mounting groove (5) is expanded to inside gradually by the preceding terminal surface of front end wall (1), sealing ring (8) have been blocked in sealing ring mounting groove (5).