High-temperature-resistant valve

Abstract

The utility model provides a high-temperature-resistant valve, and belongs to the technical field of valves. The high-temperature-resistant valve is characterized in that the high-temperature-resistant valve comprises a valve body, a valve disc is rotationally connected into the valve body, a valve rod is fixedly connected to the valve disc, a hand wheel is fixedly connected to the upper end of the valve rod, pipelines are fixedly connected to the two sides of the valve body, flanges are fixedly connected to the pipelines, a plurality of through holes are formed in the flanges, and the through holes are communicated with the valve disc. A through hole is formed in the flange and penetrates through the upper wall and the lower wall of the flange, a plurality of sliding holes communicated with the through hole are formed in the side face of the flange, sliding blocks are connected into the sliding holes in a sliding mode, threaded holes are formed in the sliding blocks, sliding barrels corresponding to the sliding holes are arranged on the inner side of the flange, one end of each sliding barrel is an open end, and the other end of each sliding barrel is a closed end. And the open end of the sliding cylinder is communicated with the sliding hole. The valve mounting device has the advantages that by sliding the sliding block, the threaded hole in the sliding block coincides with the threaded hole in the flange on the pipeline, the valve can be mounted on pipelines with different sizes, and the valve mounting device is convenient to use.

Description

Technical Field

[0001] The utility model belongs to the technical field of valves and relates to a high-temperature resistant valve. Background Art

[0002] Valves are control components in fluid conveying systems, performing functions such as shutoff, regulation, flow diversion, backflow prevention, pressure stabilization, flow diversion, or overflow pressure relief. High-temperature resistant valves are one such type of valve, often installed on pipelines transporting high-temperature materials. Currently, the installation of high-temperature resistant valves typically involves bolting the valve flange to the pipeline flange. This connection requires that the threaded holes on the valve flange align with those on the pipeline flange, making it inconvenient to manufacture valves for pipelines of different sizes. Summary of the Invention

[0003] The purpose of the utility model is to address the above-mentioned problems in the existing technology and propose a high-temperature resistant valve, which solves the problem that the threaded holes of the flange on the valve correspond to the threaded holes of the flange on the pipeline, and corresponding valves need to be made when installing valves on pipelines of different sizes, which is relatively inconvenient.

[0004] The purpose of this utility model can be achieved through the following technical solutions:

[0005] A high-temperature resistant valve, characterized in that it includes a valve body, a valve disc is rotatably connected in the valve body, a valve stem is fixedly connected to the valve disc, a handwheel is fixedly connected to the upper end of the valve stem, pipes are fixedly connected to both sides of the valve body, a flange is fixedly connected to the pipe, a plurality of through holes are provided on the flange, the through holes pass through the upper and lower walls of the flange, a plurality of sliding holes connected to the through holes are provided on the side of the flange, a slider is slidably connected in the sliding hole, a threaded hole is provided on the slider, a sliding cylinder corresponding to the sliding hole is provided on the inner side of the flange, one end of the sliding cylinder is an open end, and the other end is a closed end, the open end of the sliding cylinder is connected to the sliding hole, and a spring is provided between the closed end of the sliding cylinder and the slider.

[0006] In the above-mentioned high-temperature resistant valve, a plurality of heat dissipation plates are provided on the valve stem.

[0007] In the above-mentioned high-temperature resistant valve, a cooling nozzle is provided on the valve body.

[0008] In the above-mentioned high-temperature resistant valve, a filter screen is provided in the pipeline.

[0009] In the above-mentioned high-temperature resistant valve, the valve body is made of high-temperature resistant stainless steel.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] By sliding the slider so that the threaded holes on the slider coincide with the threaded holes on the flange on the pipe, the valve can be installed on pipes of different sizes, which is more convenient; the heat dissipation plate and cooling nozzle can improve the high temperature resistance of the valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view structural diagram of the present utility model;

[0013] Figure 2 It is a side structural schematic diagram of the flange of the utility model.

[0014] In the figure,

[0015] 2. Valve body; 3. Valve stem; 4. Handwheel; 5. Pipe; 6. Flange; 7. Through hole; 8. Sliding hole; 9. Slider; 10. Threaded hole; 11. Slide; 12. Spring; 13. Heat sink; 14. Cooling nozzle; 15. Filter. DETAILED DESCRIPTION

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0017] like Figures 1 to 2 As shown,

[0018] A high-temperature resistant valve, characterized in that it includes a valve body 2, in which a valve disc is rotatably connected to the valve body 2, a valve stem 3 is fixedly connected to the valve disc, a handwheel 4 is fixedly connected to the upper end of the valve stem 3, pipes 5 are fixedly connected to both sides of the valve body 2, a flange 6 is fixedly connected to the pipe 5, a plurality of through holes 7 are provided on the flange 6, the through holes 7 pass through the upper and lower walls of the flange 6, a plurality of sliding holes 8 connected to the through holes 7 are provided on the side of the flange 6, a slider 9 is slidably connected to the sliding hole 8, a threaded hole 10 is provided on the slider 9, a slide cylinder 11 corresponding to the sliding hole 8 is provided on the inner side of the flange 6, one end of the slide cylinder 11 is an open end, and the other end is a closed end, the open end of the slide cylinder 11 is connected to the sliding hole 8, and a spring 12 is provided between the closed end of the slide cylinder 11 and the slider 9.

[0019] In this embodiment, the valve stem 3 is driven to rotate by the handwheel 4 to control the rotation of the valve disc. When installing the valve, the installer pushes the slider 9 by hand to partially push the slider 9 into the slide cylinder 11 until the threaded hole 10 on the slider 9 coincides with the threaded hole 10 of the flange 6 on the pipe 5. Then, bolts are passed through the through hole 7 and the threaded hole 10 in sequence to connect them. After disassembly, the slider 9 will be reset by the elastic force of the spring 12 to facilitate the next connection.

[0020] In this embodiment, a plurality of heat dissipation disks 13 are provided on the valve stem 3. The heat dissipation disks 13 improve the high temperature resistance of the valve.

[0021] In this embodiment, a cooling nozzle 14 is provided on the valve body 2. Through the cooling nozzle 14, external cooling liquid is sprayed into the valve body 2 to reduce the temperature.

[0022] In this embodiment, a filter screen 15 is provided in the pipe 5. The filter screen 15 intercepts impurities in the fluid.

[0023] In this embodiment, the valve body 2 is made of high-temperature resistant stainless steel.

[0024] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0025] In addition, the descriptions of "first", "second", etc. in the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. At the same time, the meaning of "and / or" appearing in the full text is to include three solutions. Taking "A and / or B" as an example, it includes solution A, or solution B, or a solution in which both A and B are satisfied. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0026] The above components are all common standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0027] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

Claims

1. A high temperature resistant valve, characterized in that: The invention comprises a valve body (2), a valve disc rotatably connected inside the valve body (2), a valve stem (3) fixedly connected to the valve disc, a hand wheel (4) fixedly connected to the upper end of the valve stem (3), pipes (5) fixedly connected to both sides of the valve body (2), a flange (6) fixedly connected to the pipe (5), a plurality of through holes (7) formed on the flange (6), the through holes (7) passing through the upper and lower walls of the flange (6), and a plurality of holes (7) formed on the side of the flange (6) in contact with the flange (6). A sliding hole (8) is connected to the through hole (7), a slider (9) is slidably connected in the sliding hole (8), a threaded hole (10) is provided on the slider (9), a sliding cylinder (11) corresponding to the sliding hole (8) is provided on the inner side of the flange (6), one end of the sliding cylinder (11) is an open end, and the other end is a closed end, the open end of the sliding cylinder (11) is connected to the sliding hole (8), and a spring (12) is provided between the closed end of the sliding cylinder (11) and the slider (9).

2. The high temperature resistant valve according to claim 1, characterized in that: A plurality of heat dissipation plates (13) are provided on the valve stem (3).

3. The high temperature resistant valve according to claim 1, characterized in that: The valve body (2) is provided with a cooling nozzle (14).

4. The high temperature resistant valve according to claim 1, characterized in that: A filter screen (15) is provided in the pipeline (5).

5. The high temperature resistant valve according to claim 1, characterized in that: The valve body (2) is made of high temperature resistant stainless steel.

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