CN220668437U

CN220668437U - Gate valve gap foundry goods structure

Info

Publication number: CN220668437U
Application number: CN202322300970.0U
Authority: CN
Inventors: 张澄晓; 曾云; 张科
Original assignee: Ruian City Sanxing Antiseptic Casting Co ltd
Current assignee: Ruian City Sanxing Antiseptic Casting Co ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-03-26
Anticipated expiration: 2033-08-25

Abstract

The application belongs to the technical field of gate valve caps, and particularly relates to a gate valve cap casting structure, which comprises a shell, wherein the shell is of an arc-shaped structure and forms an arc-shaped inner cavity; the flange is connected to one side of the shell; the shaft sleeve part is connected to the other side of the shell and is arranged opposite to the flange, and the shaft sleeve part is axially provided with a through hole along the shaft sleeve part and is communicated with the inner cavity through the through hole; the connecting lug and the connecting table are connected to the shaft sleeve part and are used for being matched with the shaft sleeve part to connect the external valve rod; the first feeding block is connected to the connecting table and/or the shaft sleeve part, and the volume of the first feeding block is respectively larger than that of the connecting table or the shaft sleeve part.

Description

Gate valve gap foundry goods structure

Technical Field

The application belongs to gate valve gap technical field, especially relates to a gate valve gap foundry goods structure.

Background

Gate valves are an important component in fluid delivery systems for controlling the flow direction and flow of liquids. The valve cover is a key component of the gate valve, and its quality directly affects the performance and service life of the gate valve. Shrinkage cavity defects are a common problem in the casting process of valve covers, and the defects seriously affect the quality and reliability of the valve covers. In the casting process of the valve cover, the shape and the structure of the valve cover are complex, and the valve cover is generally provided with more grooves and holes, so that shrinkage defects are more likely to occur at the positions. In addition, the valve cover has a large size, requires a longer setting time, and increases the risk of occurrence of shrinkage cavity defects, so that it is necessary to solve the above-mentioned technical problems.

Disclosure of Invention

An aim of the embodiment of the application is to provide a gate valve gap foundry goods structure to solve the gate valve gap that exists among the prior art and appear shrinkage cavity defect's technical problem easily.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: provided is a gate valve cover casting structure, comprising:

the shell is of an arc structure and forms an arc inner cavity;

the flange is connected to one side of the shell;

the shaft sleeve part is connected to the other side of the shell and is arranged opposite to the flange, and the shaft sleeve part is axially provided with a through hole along the shaft sleeve part and is communicated with the inner cavity through the through hole;

a connection lug and a connection station, both connected to the bushing portion and adapted to cooperate with the bushing portion to connect an external valve stem;

and the first feeding block is connected with the connecting table and/or the shaft sleeve part, and the volume of the first feeding block is respectively larger than that of the connecting table or the shaft sleeve part.

Optionally, the gate valve cover casting structure further comprises a second feeding block;

the second feeding block is connected to the flange and has a thickness greater than the thickness of the flange.

Optionally, the connecting lugs and the connecting table are respectively provided with two and symmetrically provided on both sides of the boss portion.

Optionally, two first feeding blocks are also symmetrically arranged, and each first feeding block is respectively connected to the shaft sleeve part and the connecting table on one side.

Optionally, the connection table is connected to an end of the boss remote from the housing, and a surface of the connection table is provided with a boss protruding toward the housing.

Optionally, the gate valve cover casting structure further comprises a reinforcing rib plate;

the reinforcing rib plate is arranged between the connecting table and the shell, one end of the reinforcing rib plate is connected with the connecting table, and the other end of the reinforcing rib plate is connected with the shell.

Optionally, the reinforcing rib plate is provided with a through hole.

The application provides a gate valve gap foundry goods structure's beneficial effect lies in: compared with the prior art, the gate valve gap foundry goods structure in this application includes casing, flange, shaft sleeve portion, connection lug, connection platform and first feeding piece, and wherein the casing is the arc structure, and flange joint is in order to the erection joint of casing in casing one side, and shaft sleeve portion, connection lug and connection platform mutually support in order to the erection joint of valve rod. The first feeding block is connected to the connecting table and/or the shaft sleeve part, in the casting process of the gate valve cover, as the volume of the first feeding block is larger than that of the connecting table or the shaft sleeve part, the inside of the gate valve cover contains more heat to enable the structures such as the connecting table or the shaft sleeve part to be cooled and formed before the first feeding block, and the structures such as the connecting table or the shaft sleeve part are prevented from shrinkage cavity due to continuous supplement of the first feeding block during the cooling and forming of the connecting table or the shaft sleeve part, so that possible shrinkage cavity defects which are originally caused in the structures such as the connecting table or the shaft sleeve part are transferred to the first feeding block, and the shrinkage cavity defects are prevented from being caused at key structures such as the connecting table or the shaft sleeve part, thereby effectively ensuring the performance and the service life of the gate valve cover, and being far superior to the prior art.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a gate valve cover casting structure according to an embodiment of the present disclosure;

fig. 2 is a schematic diagram of the whole structure of a gate valve cover casting structure according to the embodiment of the present application;

FIG. 3 is a top view of the overall structure of a gate valve cover casting structure provided in an embodiment of the present application;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

wherein, each reference sign in the figure: 100. a housing; 101. an inner cavity; 200. a flange; 300. a sleeve portion; 301. a through hole; 400. a connecting lug; 500. a connection station; 600. a first feed block; 700. a second feeding block; 800. a boss; 900. reinforcing rib plates; 1000. and a through hole.

Description of the embodiments

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 4, a gate valve cover casting structure according to an embodiment of the present application will be described. The gate valve cover casting structure comprises a shell 100, a flange 200, a shaft sleeve part 300, a connecting lug 400, a connecting table 500 and a first feeding block 600; wherein the housing 100 has an arc structure and forms an arc-shaped inner cavity 101, the flange 200 is connected to one side of the housing 100 to facilitate the installation and connection of the housing 100, the boss 300 is connected to the other side of the housing 100 and is disposed opposite to the flange 200, and the boss 300 is axially provided with a through hole 301 along itself and is communicated with the inner cavity 101 through the through hole 301; the connection lug 400 and the connection station 500 are both connected to the boss 300 and are adapted to cooperate with the boss 300 to connect an external valve stem; the first feeding block 600 is connected to the connection table 500 and/or the bushing portion 300. It should be understood that the present embodiment includes three specific embodiments, that is, the first feeding block 600 may be separately connected to the connection table 500 or the bushing portion 300, or may be simultaneously connected to the connection table 500 and the bushing portion 300, and in this embodiment, the volume of the first feeding block 600 is greater than the volume of the connection table 500 or the bushing portion 300, respectively.

In the casting process of the gate valve cover provided in this embodiment, since the volume of the first feeding block 600 is larger than that of the connection table 500 or the shaft sleeve 300, the interior of the first feeding block 600 contains more heat, so that the structures such as the connection table 500 or the shaft sleeve 300 can be cooled and formed before the first feeding block 600, and the shrinkage cavity structure can be avoided due to the continuous melt supplement of the first feeding block 600 when the connection table 500 or the shaft sleeve 300 is cooled and formed, so that possible shrinkage cavity defects which should appear in the structures such as the connection table 500 or the shaft sleeve 300 are transferred to the first feeding block 600, and shrinkage cavity defects which appear in the key structures such as the connection table 500 or the shaft sleeve 300 are avoided, and defect-free gate valve cover finished products can be obtained by removing the first feeding block 600 during machining, thereby effectively ensuring the performance and the service life of the gate valve cover, and being far superior to the prior art.

Referring to fig. 1 to 4, in another embodiment of the present application, the gate valve cover casting structure further includes a second feeding block 700, where the second feeding block 700 is connected to the flange 200 and the thickness of the second feeding block 700 is greater than the thickness of the flange 200. According to the above structure provided in the present embodiment, in the process of casting and cooling the flange 200, since the thickness of the second feeding block 700 is greater than the thickness of the flange 200, the occurrence of shrinkage cavity structures at other positions of the flange 200 can be avoided, and the performance of the gate valve cover casting structure can be further improved.

Referring to fig. 1 to 4 together, in another embodiment of the present application, the connection lugs 400 and the connection table 500 are respectively provided with two and symmetrically disposed at both sides of the boss 300. In this embodiment, the connecting lug 400 and the connecting table 500 are symmetrically configured, so that the overall performance of the gate valve cover casting structure is more uniform, good mechanical performance is ensured, and further a longer service life is provided.

Further, referring to fig. 1 to 4 together, in another embodiment of the present application, two first feeding blocks 600 are symmetrically disposed, and each first feeding block 600 is connected to one side of the boss 300 and the connection table 500, respectively. In this embodiment, by providing two first feeding blocks 600, each first feeding block 600 can respectively supplement the structure of each connection table 500, so as to better avoid the shrinkage cavity structure of the connection table 500 or the shaft sleeve portion 300 during the cooling forming process. It can be appreciated that in the foregoing embodiments, the first feeding block 600 and the second feeding block 700 may be in a square block structure, a round block structure or a rectangular block structure commonly used in the art, and may be flexibly customized according to the structure of the actual valve cover, which is not described herein.

Referring to fig. 1 to 4, in another embodiment of the present application, a connection platform 500 is connected to an end of the boss 300 away from the housing 100, and a boss 800 protruding toward the housing 100 is provided on a surface of the connection platform 500. In this embodiment, the structure of the boss 800 may effectively increase the structural strength of the connection platform 500, ensure the structural stability of the connection platform 500, and the shape of the boss 800 is not limited, and may be selected from a circular platform, a rectangular platform or other polygonal platform commonly used in the art. Further, referring to fig. 1 to 4, in another embodiment of the present application, the gate valve cover casting structure further includes a reinforcing rib 900; the reinforcing plate 900 is disposed between the connection table 500 and the case 100, one end of the reinforcing plate 900 is connected to the connection table 500, and the other end of the reinforcing plate 900 is connected to the case 100. According to the structure of the reinforcing plate 900 described above, the structural strength of the connection table 500 can be further improved.

Referring to fig. 1 to 4, in another embodiment of the present application, a through hole 1000 is provided on the reinforcing rib 900. In this embodiment, by providing the through hole 1000, the gate valve cover casting structure provided in this embodiment can be cooled and molded preferentially at the through hole 1000, that is, by providing the through hole 1000, the gate valve cover casting structure can be cooled and molded preferentially at a preset position, so that shrinkage defects generated in the connection table 500 or the shaft sleeve portion and the like can be further avoided. It can be understood that the shape of the pupil of the tube in this embodiment is not limited, and the pupil of the tube can be selected to be a circular hole, a square hole or a polygonal hole commonly used in the art, which have the same technical effects and are not described again.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims

1. A gate valve gap casting structure, characterized by comprising:

the shell (100) is of an arc-shaped structure and forms an arc-shaped inner cavity (101);

a flange (200) connected to one side of the housing (100);

a boss portion (300) connected to the other side of the housing (100) and disposed opposite to the flange (200), the boss portion (300) being provided with a through hole (301) along its own axial direction and communicating with the inner cavity (101) through the through hole (301);

-a connection lug (400) and a connection station (500), both connected to said bushing portion (300) and intended to cooperate with said bushing portion (300) for connection of an external valve stem;

-a first feeding block (600) connected to the connection station (500) and/or to the bushing portion (300), the volume of the first feeding block (600) being greater than the volume of the connection station (500) or the bushing portion (300), respectively.

2. The gate valve cover casting structure according to claim 1, wherein:

the gate valve cover casting structure further comprises a second feeding block (700);

the second feeding block (700) is connected to the flange (200) and the thickness of the second feeding block (700) is greater than the thickness of the flange (200).

3. The gate valve cover casting structure according to claim 1, wherein:

the connecting lugs (400) and the connecting table (500) are respectively provided with two and symmetrically provided on both sides of the boss portion (300).

4. A gate valve cover casting structure as defined in claim 3, wherein:

two first feeding blocks (600) are also symmetrically arranged, and each first feeding block (600) is respectively connected with the shaft sleeve part (300) and the connecting table (500) at one side.

5. The gate valve cover casting structure according to any one of claims 1 to 4, wherein:

the connecting table (500) is connected to one end of the shaft sleeve part (300) far away from the shell (100), and a boss (800) protruding towards the shell (100) is arranged on the surface of the connecting table (500).

6. The gate valve cover casting structure according to claim 5, wherein:

the gate valve cover casting structure further comprises a reinforcing rib plate (900);

the reinforcing rib plate (900) is arranged between the connecting table (500) and the shell (100), one end of the reinforcing rib plate (900) is connected to the connecting table (500), and the other end of the reinforcing rib plate (900) is connected to the shell (100).

7. The gate valve cover casting structure according to claim 6, wherein:

the reinforcing rib plate (900) is provided with a through hole (1000).