Valve casting with high sealing performance

Abstract

The utility model relates to the field of valve castings, and discloses a high-sealing-performance valve casting which comprises a valve body, one side of the valve body is fixedly connected with a flange, the inner wall of the flange is movably connected with a pipeline, the outer wall of the pipeline is fixedly connected with a connecting plate, and the inner wall of the connecting plate is movably connected with a sealing ring. According to the valve casting with the high sealing performance, through the arrangement of the valve body, the flange, the pipeline, the sealing ring, the connecting plate, the upper sealing plate, the lower sealing plate and the fastening mechanism, the valve casting can have the effect of being good in fastening effect, and the pipeline and the flange can be spliced in a simple rotating mode; and after splicing, the sealing ring, the upper sealing plate and the lower sealing plate are used for providing the sealing effect, and the fastening mechanism is used for fastening the upper sealing plate and the lower sealing plate, so that the stability of the sealing structure is improved, the situation that the sealing effect is affected due to the fact that gaps appear in the sealing structure due to loosening and other problems is avoided, and the use requirements of people are met.

Description

Technical Field

[0001] The utility model relates to the field of valve castings, in particular to a valve casting with high sealing performance. Background Art

[0002] Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. It has the functions of cutting off, regulating, guiding, preventing backflow, stabilizing pressure, diverting or overflowing pressure relief.

[0003] The existing technology has the following problems:

[0004] The valve castings in the prior art have poor fastening effects. When the valve castings are connected, simple bolts and flange fastenings may loosen after long-term use, resulting in spacing between flanges, which in turn makes it easy for leakage to occur, resulting in certain defects in its sealing performance. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a valve casting with high sealing performance, which has the advantages of good fastening effect and the like, and solves the problems in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose of good fastening effect, the utility model provides the following technical solution: a highly sealing valve casting, comprising a valve body, one side of the valve body is fixedly connected to a flange, the inner wall of the flange is movably connected to a pipe, and the outer wall of the pipe is fixedly connected to a connecting plate.

[0009] The inner wall of the connecting plate is movably connected with a sealing ring, the outer wall of the connecting plate is movably connected with an upper sealing plate, the bottom of the upper sealing plate is movably connected with a lower sealing plate, and a fastening mechanism is fixedly installed on one side of the upper sealing plate, so that the valve casting has a good fastening effect, and the pipeline and the flange can be spliced ​​in a simple rotating manner, and after the splicing, the sealing ring, the upper sealing plate and the lower sealing plate are used to provide a sealing effect, and the fastening mechanism is used to fasten the upper sealing plate and the lower sealing plate, so as to improve the stability of the sealing structure, avoid problems such as looseness that cause gaps in the sealing structure and affect the sealing effect, and meet people's use needs.

[0010] Preferably, the fastening mechanism includes a fixed block, the front face of the fixed block is movably connected to a movable shaft, the front face of the fixed block is movably connected to a buckle, one side of the buckle is movably connected to a limiting block, and the fastening mechanism utilizes the buckle to cooperate with the limiting block to reinforce the upper sealing plate and the lower sealing plate, thereby ensuring that the splicing of the two is more stable.

[0011] Preferably, the number of the fastening mechanisms is four, and every two fastening mechanisms form a group, and the two groups of fastening mechanisms are symmetrically arranged with the vertical midline of the valve body as the symmetry axis. The two groups of fastening mechanisms can ensure that the connection sealing and stability of the pipelines on both sides of the valve body are higher.

[0012] Preferably, the inner wall of the connecting plate is provided with an installation groove, and the connecting plate is movably connected to the sealing ring through the installation groove, and the installation groove enables the sealing ring to be installed on the outer wall of the pipe, thereby providing an effective sealing effect for the connection between the connecting plate and the flange.

[0013] Preferably, the inner wall of the flange is provided with a thread groove, and the flange is movably connected to the pipeline through the thread groove, and the thread groove enables the pipeline to be installed on the outer wall of the flange in a rotational manner.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a valve casting with high sealing performance, which has the following

[0016] Beneficial effects:

[0017] The high-sealing valve casting can have a good fastening effect through the valve body, flange, pipeline, sealing ring, connecting plate, upper sealing plate, lower sealing plate and fastening mechanism. The pipeline and flange can be spliced ​​in a simple rotating manner, and after the splicing, the sealing ring, upper sealing plate and lower sealing plate are used to provide a sealing effect, and the fastening mechanism is used to fasten the upper sealing plate and the lower sealing plate, thereby improving the stability of the sealing structure, avoiding problems such as looseness that cause gaps in the sealing structure and affect the sealing effect, thereby meeting people's use needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a front cross-sectional view of the utility model;

[0020] Figure 3 This is a schematic diagram of the fastening mechanism structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the sealing ring of the utility model.

[0022] In the figure: 1. valve body; 2. flange; 3. pipeline; 4. sealing ring; 5. connecting plate; 6. upper sealing plate; 7. lower sealing plate; 8. fastening mechanism; 801. fixing block; 802. movable shaft; 803. buckle; 804. limit block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] The preferred embodiment of the high-sealing valve casting provided by the utility model is as follows Figures 1 to 4 As shown: a highly sealing valve casting comprises a valve body 1, a flange 2 is fixedly connected to one side of the valve body 1, a pipe 3 is movably connected to the inner wall of the flange 2, and a connecting plate 5 is fixedly connected to the outer wall of the pipe 3.

[0026] The inner wall of the connecting plate 5 is movably connected with a sealing ring 4, the outer wall of the connecting plate 5 is movably connected with an upper sealing plate 6, the bottom of the upper sealing plate 6 is movably connected with a lower sealing plate 7, and a fastening mechanism 8 is fixedly installed on one side of the upper sealing plate 6, so that the valve casting has a good fastening effect, and the pipe 3 and the flange 2 can be spliced ​​in a simple rotating manner, and after splicing, the sealing ring 4, the upper sealing plate 6 and the lower sealing plate 7 are used to provide a sealing effect, and the fastening mechanism 8 is used to fasten the upper sealing plate 6 and the lower sealing plate 7, so as to improve the stability of the sealing structure, avoid problems such as looseness that cause gaps in the sealing structure and affect the sealing effect, thereby meeting people's usage needs.

[0027] In this embodiment, the fastening mechanism 8 includes a fixed block 801, the front face of the fixed block 801 is movably connected with a movable shaft 802, the front face of the fixed block 801 is movably connected with a buckle 803, one side of the buckle 803 is movably connected with a limiting block 804, and the fastening mechanism 8 utilizes the buckle 803 and the limiting block 804 to reinforce the upper sealing plate 6 and the lower sealing plate 7, so as to ensure that the splicing of the two is more stable.

[0028] Example 2

[0029] On the basis of Example 1, a preferred embodiment of the high-sealing valve casting provided by the utility model is as follows Figures 1 to 4As shown: the number of fastening mechanisms 8 is four, and every two fastening mechanisms 8 form a group, and the two groups of fastening mechanisms 8 are symmetrically arranged with the vertical center line of the valve body 1 as the symmetry axis. The two groups of fastening mechanisms 8 can ensure that the connection sealing and stability of the pipelines 3 on both sides of the valve body 1 are higher.

[0030] In this embodiment, an installation groove is opened on the inner wall of the connecting plate 5, and the connecting plate 5 is movably connected to the sealing ring 4 through the installation groove. The installation groove allows the sealing ring 4 to be installed on the outer wall of the pipe 3, thereby providing an effective sealing effect for the connection between the connecting plate 5 and the flange 2.

[0031] Furthermore, a thread groove is provided on the inner wall of the flange 2, and the flange 2 is movably connected to the pipe 3 via the thread groove, and the thread groove enables the pipe 3 to be installed on the outer wall of the flange 2 by rotation.

[0032] When in use, install the sealing ring 4 on the inner wall of the connecting plate 5, then install the pipe 3 inside the flange 2 by rotation, and make the flange 2 fit with the connecting plate 5, then install the upper sealing plate 6 and the lower sealing plate 7 in a spliced ​​manner on the outer wall of the connection between the flange 2 and the connecting plate 5, then bend the buckle 803 and cooperate with the limit block 804 to reinforce the upper sealing plate 6 and the lower sealing plate 7 to complete the work.

[0033] In summary, the highly sealing valve casting can achieve the purpose of good fastening effect. The pipe 3 and the flange 2 can be spliced ​​by a simple rotation method, and after splicing, the sealing ring 4, the upper sealing plate 6 and the lower sealing plate 7 are used to provide a sealing effect, and the fastening mechanism 8 is used to fasten the upper sealing plate 6 and the lower sealing plate 7, thereby improving the stability of the sealing structure, avoiding problems such as looseness that cause gaps in the sealing structure and affect the sealing effect, thereby meeting people's usage needs.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A valve casting with high sealing performance, comprising a valve body (1), characterized in that: A flange (2) is fixedly connected to one side of the valve body (1); a pipe (3) is movably connected to the inner wall of the flange (2); and a connecting plate (5) is fixedly connected to the outer wall of the pipe (3); The inner wall of the connecting plate (5) is movably connected to a sealing ring (4), the outer wall of the connecting plate (5) is movably connected to an upper sealing plate (6), the bottom of the upper sealing plate (6) is movably connected to a lower sealing plate (7), and a fastening mechanism (8) is fixedly installed on one side of the upper sealing plate (6).

2. A high-sealing valve casting according to claim 1, characterized in that: The fastening mechanism (8) comprises a fixed block (801), the front side of the fixed block (801) is movably connected to a movable shaft (802), the front side of the fixed block (801) is movably connected to a buckle (803), and one side of the buckle (803) is movably connected to a limit block (804).

3. A high-sealing valve casting according to claim 1, characterized in that: The number of the fastening mechanisms (8) is four, and every two fastening mechanisms (8) form a group, and the two groups of fastening mechanisms (8) are symmetrically arranged with the vertical midline of the valve body (1) as the symmetry axis.

4. A high-sealing valve casting according to claim 1, characterized in that: The inner wall of the connecting plate (5) is provided with a mounting groove, and the connecting plate (5) is movably connected to the sealing ring (4) via the mounting groove.

5. A valve casting with high sealing performance according to claim 1, characterized in that: The inner wall of the flange (2) is provided with a thread groove, and the flange (2) is movably connected to the pipeline (3) via the thread groove.

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