CN216479182U

CN216479182U - Stainless steel casting

Info

Publication number: CN216479182U
Application number: CN202122887705.8U
Authority: CN
Inventors: 蒋定春
Original assignee: Suqian Oulong Machinery Manufacturing Co ltd
Current assignee: Suqian Oulong Machinery Manufacturing Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-10
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a stainless steel casting, which relates to the technical field of stainless steel castings, and aims to solve the problem that when an existing valve cover is used, a screwed joint of a bolt and the valve cover is easy to rust, so that the follow-up disassembly and maintenance of the valve cover are influenced. The utility model has novel structure, can avoid the screw joint of the bolt and the valve cover from rusting easily as much as possible, can improve the stability of the valve cover in use, and is suitable for popularization.

Description

Stainless steel casting

Technical Field

The utility model relates to the technical field of stainless steel castings, in particular to a stainless steel casting.

Background

A stainless steel casting is a general name of steel castings produced by various stainless steel materials, is mainly used under various medium corrosion conditions, and has good corrosion resistance and oxidation resistance when the Cr content in the steel exceeds 12 percent as early as 1910. typical stainless steel contains more than 12 percent of Cr and also contains one or more other alloy elements, a valve cover is one of the stainless steel castings, the valve cover is a valve part provided with a valve rod sealing element and used for connecting or supporting an actuating mechanism, the valve cover and a valve body can be integrated or separated, and the valve cover in a gate valve mainly plays a role of pressing and filling materials.

When the existing valve cover is used, the screwed joint of the bolt and the valve cover is easy to rust, so that the follow-up disassembly and maintenance of the valve cover are influenced. Therefore, in order to solve such problems, we propose a stainless steel casting.

SUMMERY OF THE UTILITY MODEL

The stainless steel casting provided by the utility model solves the problem that the subsequent disassembly and maintenance of the valve cover are influenced because the screwed joint of the bolt and the valve cover is easy to rust when the conventional valve cover is used.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a stainless steel casting comprises a body, wherein a fixing ring is arranged on the body, two symmetrically distributed mounting rods are arranged on the circumferential outer wall of the fixing ring, connecting rods are arranged on the side wall of one end, away from each other, of each mounting rod, a limiting ring is arranged between the end parts, away from the mounting rods, of each connecting rod, a spiral groove is formed in each limiting ring, and a plurality of screw holes distributed in an array mode are formed in the body;

the body is provided with a plurality of protective shells with the same structure, and the protective shells are coaxial with the corresponding screw holes, and the inner diameter of each protective shell is larger than that of the corresponding screw hole, and the protective shells are multiple in shape and are provided with threads on the outer wall of the circumference.

Preferably, a sealing ring is arranged between the fixing ring and the body.

Preferably, a plurality of supporting blocks distributed in an annular array are arranged between the fixing ring and the body, and the sealing ring penetrates through the supporting blocks.

Preferably, a support column is arranged between each two mounting rods and the body.

Preferably, the lateral wall of body sets up the first recess that is the annular setting, just be provided with first strengthening rib in the first recess, set up a plurality ofly on the first strengthening rib and be array distribution second recess, it is a plurality of all be provided with the second strengthening rib in the second recess.

Preferably, the body, the fixing ring and the limiting ring are all provided with through holes which are arranged in a through mode, and the body, the fixing ring and the limiting ring are coaxially arranged.

The utility model has the beneficial effects that:

1. through setting up the protecting crust and being provided with the screw at the outer wall of protecting crust, after the bolt spiro union screw, will with the nut spiral shell that the protecting crust matches on the protecting crust, reached and can avoid the rusty effect of bolt and valve gap spiro union department as far as possible.

2. Through setting up sealing ring, supporting shoe and support column, the sealing ring can improve the leakproofness between solid fixed ring and the valve gap, can improve solid fixed ring's stability through the supporting shoe that sets up between solid fixed ring's circumference outer wall and valve gap, can improve the stability of installation pole through set up the support column below the installation pole.

In conclusion, the valve cover can prevent the screwed joint of the bolt and the valve cover from rusting as much as possible, can improve the stability of the valve cover in use, solves the problem that the screwed joint of the bolt and the valve cover is easy to rust when the existing valve cover is used, so that the follow-up disassembly and maintenance of the valve cover are influenced, and is suitable for popularization.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a view showing an installation structure of the first reinforcing bead of the present invention.

Reference numbers in the figures: 1. a body; 2. a screw hole; 3. a protective shell; 4. a first reinforcing rib; 5. a fixing ring; 6. mounting a rod; 7. a connecting rod; 8. a limiting ring; 9. a helical groove; 10. a through hole; 11. a support pillar; 12. a seal ring; 13. a support block; 14. a first groove; 15. a second groove; 16. and a second reinforcing rib.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a stainless steel casting comprises a body 1, a fixing ring 5 is arranged on the body 1, a sealing ring 12 is arranged between the fixing ring 5 and the body 1, a plurality of supporting blocks 13 distributed in an annular array are arranged between the fixing ring 5 and the body 1, and the sealing ring 12 penetrates through the plurality of supporting blocks 13, so that the stability between the body 1 and the fixing ring 5 can be improved, and the fixing ring 5 can be supported when the fixing ring 5 is used, so that the stability of the fixing ring 5 can be improved, two symmetrically distributed mounting rods 6 are arranged on the outer circumferential wall of the fixing ring 5, a supporting column 11 is arranged between the two mounting rods 6 and the body 1, so that the two mounting rods 6 can be supported, so that the stability of the mounting rods 6 can be improved when the mounting rods 6 are used, and a connecting rod 7 is arranged on the side wall of one end of the two mounting rods 6, which is far away from each other, a limiting ring 8 is arranged between the end parts of the two connecting rods 7 far away from the mounting rod 6, a spiral groove 9 is arranged in the limiting ring 8, and a plurality of screw holes 2 distributed in an array are arranged on the body 1.

Referring to fig. 1-2, be provided with a plurality of protective casings 3 that the structure is the same on body 1, and the internal diameter of protective casing 3 is greater than the internal diameter setting of screw 2, the circumference outer wall of a plurality of protective casings 3 all is provided with the screw thread, can cooperate the nut to protect the bolt of screw in screw 2 when follow-up use, thereby avoid leading to the position of screw 2 of body 1 to rust because of the bolt as far as, a plurality of protective casings 3 respectively with be coaxial setting between the screw 2 that corresponds, body 1, all set up in solid fixed ring 5 and the spacing ring 8 and be the through-hole 10 that link up the setting, and body 1, be coaxial setting between solid fixed ring 5 and the spacing ring 8.

Referring to fig. 3, the side wall of the body 1 is provided with a first groove 14 which is annularly arranged, the first groove 14 is internally provided with a first reinforcing rib 4, the first reinforcing rib 4 is provided with a plurality of second grooves 15 which are distributed in an array manner, and the plurality of second grooves 15 are internally provided with a second reinforcing rib 16, so that the strength of the body 1 in use can be improved, and the possibility of damage to the body 1 is reduced.

The working principle is as follows: when the device is used, through the use of the protective shell 3 and the subsequent matching cap, the rusting of a bolt in a screw hole 2 on a body 1 which is subsequently put into use can be avoided as much as possible, so that the bolt is prevented from rusting at the position of the screw hole 2 on the body 1 as much as possible, because the sealing ring 12 is arranged between the body 1 and the fixing ring 5, the sealing property between the body 1 and the fixing ring 5 can be improved when the body 1 is used, because the supporting block 13 is arranged between the circumferential side walls of the body 1 and the fixing ring 5, the stability of the fixing ring 5 can be improved when the body 1 is used, because the spiral groove 9 is arranged in the limiting ring 8, when the body 1 is used, a valve rod is convenient to install, through the arrangement of the first reinforcing rib 4 and the second reinforcing rib 16 on the side wall of the body 1, and the intersection arrangement between the first reinforcing rib 4 and the second reinforcing rib 16, thereby improving the stability of the body 1 when put into use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A stainless steel casting comprises a body (1) and is characterized in that a fixing ring (5) is arranged on the body (1), two symmetrically distributed mounting rods (6) are arranged on the outer wall of the circumference of the fixing ring (5), connecting rods (7) are arranged on the side walls of the two ends, far away from each other, of the mounting rods (6), a limiting ring (8) is arranged between the end parts, far away from the mounting rods (6), of the two connecting rods (7), a spiral groove (9) is arranged in the limiting ring (8), and a plurality of screw holes (2) distributed in an array form are formed in the body (1);

be provided with a plurality of protective housing (3) that the structure is the same on body (1), it is a plurality of protective housing (3) respectively with correspond be coaxial setting between screw (2), just the internal diameter of protective housing (3) is greater than the internal diameter setting of screw (2), and is a plurality of the circumference outer wall of protective housing (3) all is provided with the screw thread.

2. A stainless steel casting according to claim 1, characterized in that a sealing ring (12) is arranged between the fixing ring (5) and the body (1).

3. A stainless steel casting according to claim 2, characterized in that a plurality of support blocks (13) are arranged in an annular array between the retaining ring (5) and the body (1), and the sealing ring (12) is arranged through the plurality of support blocks (13).

4. A stainless steel casting according to claim 1, characterized in that support columns (11) are provided between both of the mounting bars (6) and the body (1).

5. The stainless steel casting according to claim 1, characterized in that the side wall of the body (1) is provided with a first groove (14) which is annularly arranged, a first reinforcing rib (4) is arranged in the first groove (14), the first reinforcing rib (4) is provided with a plurality of second grooves (15) which are distributed in an array manner, and a plurality of second reinforcing ribs (16) are arranged in the second grooves (15).

6. The stainless steel casting according to claim 1, wherein the body (1), the fixing ring (5) and the limiting ring (8) are all provided with through holes (10) which are arranged in a penetrating manner, and the body (1), the fixing ring (5) and the limiting ring (8) are coaxially arranged.