Novel slag blocking ring butterfly valve

Abstract

The utility model relates to a novel slag blocking ring butterfly valve which is characterized in that an output mounting pipe is fixed on the right side of a butterfly valve body, a slag blocking mechanism used for blocking slag of the butterfly valve is arranged on the left side of the butterfly valve body, and a connecting mechanism used for conveniently dredging the slag blocking mechanism is arranged on the outer side of the slag blocking mechanism. The slag stopping mechanism comprises a connecting pipe fixed to the left side of the butterfly valve body. According to the novel slag blocking ring butterfly valve, when fluid enters the butterfly valve body through the connecting pipe, the filter screen fixed in the connecting pipe can filter impurities such as particulate matter and slag in the fluid and intercept the impurities on the left side of the filter screen, and the supporting circulation plate can support the right side of the filter screen; the stability of filtering and intercepting impurities such as particles and dregs is improved, then the impurities such as the particles and the dregs in fluid can be filtered and intercepted, and the situation that the impurities such as the particles and the dregs in the fluid flow into the butterfly valve, and consequently the butterfly valve is stuck or leaks is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of butterfly valves, in particular to a novel slag-blocking ring butterfly valve. Background Art

[0002] The butterfly valve, also known as the flap valve, is a simple regulating valve. It can also be used for the on-off control of low-pressure pipeline media. The butterfly valve is suitable for city gas, hot and cold air, chemical smelting, power generation and environmental protection engineering systems to regulate and cut off the flow of media.

[0003] For example, Chinese patent CN 210637520 U discloses a new type of butterfly valve, which is mainly intended to provide a new type of butterfly valve, effectively ensure the stable performance of the butterfly valve plate during the opening and closing process, and provide a new type of butterfly valve, including a butterfly valve body, a butterfly valve gate is arranged inside the butterfly valve body, a double rack rotator connected to the butterfly valve gate core shaft is arranged on the upper part of the butterfly valve body, an electro-hydraulic device connected to the double rack rotator is arranged at one end of the double rack rotator, and a manual hydraulic device is also arranged in parallel on the electro-hydraulic device. The butterfly valve device with a new structural design effectively avoids the technical problem that the butterfly valve cannot be opened and closed normally due to the failure of the butterfly valve opening and closing power device, and effectively improves the overall service life of the butterfly valve.

[0004] Although the above patent effectively avoids the technical problem that the butterfly valve cannot be opened and closed normally due to the failure of the butterfly valve opening and closing power device, and effectively improves the overall service life of the butterfly valve, the butterfly valve in the patent cannot filter out impurities such as particles and debris in the fluid when it is used. When impurities such as particles and debris in the fluid flow through the inside of the butterfly valve, it is easy to cause the butterfly valve to get stuck or leak. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a new type of slag retaining ring butterfly valve, which has the advantages of being able to filter and intercept impurities such as particles and debris in the fluid, and solves the problem that when the butterfly valve is in use, it cannot filter impurities such as particles and debris in the fluid, and when impurities such as particles and debris in the fluid flow through the inside of the butterfly valve, it is easy to cause the butterfly valve to get stuck or leak.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel slag-blocking ring butterfly valve, comprising a butterfly valve body, an output mounting pipe is fixed to the right side of the butterfly valve body, a slag-blocking mechanism for blocking slag for the butterfly valve is provided on the left side of the butterfly valve body, and a connecting mechanism for conveniently dredging the slag-blocking structure is provided on the outer side of the slag-blocking mechanism;

[0007] The slag blocking mechanism includes a connecting pipe fixed to the left side of the butterfly valve body, the top wall and the bottom wall of the inner cavity of the connecting pipe are fixed with fixing blocks, the left sides of the upper and lower fixed blocks are fixed with supporting flow plates by bolts, the left side of the supporting flow plate is fixed with a filter cartridge by bolts, the outer side of the filter cartridge is fixed with a first sealing ring, and the inside of the filter cartridge is fixed with a filter screen.

[0008] Furthermore, at least two flow holes are opened on the right side of the supporting flow plate, and the at least two flow holes are evenly distributed on the right side of the supporting flow plate.

[0009] Furthermore, the upper and lower fixing blocks are symmetrically distributed on the upper and lower sides of the transverse center axis of the connecting pipe, and the first sealing ring is a first rubber ring.

[0010] Furthermore, the outer diameter of the first sealing ring is matched with the inner diameter of the connecting pipe, and the inner diameter of the first sealing ring is matched with the outer diameter of the filter cartridge.

[0011] Further, the connecting mechanism includes a first mounting ring fixed to the left side of the connecting tube, a second sealing ring is fixed to the left side of the first mounting ring and located on the outside of the connecting tube, a second mounting ring is fixed by bolts to the left side of the first mounting ring and located on the left side of the second sealing ring, an input mounting tube is fixed to the left side of the second mounting ring and located on the outside of the connecting tube, the input mounting tube is slidably connected to the outside of the connecting tube, limiting rods are fixed on the upper and lower sides of the right side of the second mounting ring, limiting grooves are provided on both sides of the upper side of the left side of the first mounting ring, and the limiting rods are placed inside the limiting grooves.

[0012] Furthermore, the second sealing ring is a second rubber ring, the inner diameter of the input installation tube is matched with the outer diameter of the connecting tube, and the input installation tube is connected with the connecting tube.

[0013] Furthermore, the limiting rod moves linearly left and right inside the limiting groove, and the inner diameter of the second mounting ring is matched with the outer diameter of the connecting pipe.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] 1. For this new type of slag ring butterfly valve, when the fluid enters the butterfly valve body through the connecting pipe, the filter net fixed inside the connecting pipe can filter the particles, slag and other impurities in the fluid and intercept them on the left side of the filter net. The support flow plate can support the right side of the filter net to improve the stability of filtering and intercepting particles, slag and other impurities, thereby filtering and intercepting particles, slag and other impurities in the fluid, reducing the possibility of particles, slag and other impurities in the fluid flowing into the butterfly valve and causing the butterfly valve to get stuck or leak.

[0016] 2. The new slag retaining ring butterfly valve can separate the first mounting ring and the second mounting ring by twisting the bolt on the left side of the second mounting ring, so that the input mounting pipe can be pulled out from the outside of the left side of the connecting pipe, which is convenient for unblocking the filter screen inside the connecting pipe, and at the same time, it is convenient to clean the particles, slag and other impurities inside the connecting pipe and on the left side of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the slag blocking mechanism of the utility model;

[0019] Figure 3 It is a schematic diagram of the connection mechanism of the utility model.

[0020] In the figure: 1 butterfly valve body, 2 output mounting pipe, 3 slag blocking mechanism, 301 connecting pipe, 302 fixing block, 303 supporting flow plate, 304 filter cartridge, 305 first sealing ring, 306 filter screen, 4 connecting mechanism, 401 first mounting ring, 402 second sealing ring, 403 second mounting ring, 404 input mounting pipe, 405 limiting rod, 406 limiting groove. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1 A new type of slag-blocking ring butterfly valve in this embodiment includes a butterfly valve body 1, an output mounting pipe 2 is fixed to the right side of the butterfly valve body 1, a slag-blocking mechanism 3 for blocking slag for the butterfly valve is provided on the left side of the butterfly valve body 1, the slag-blocking mechanism 3 blocks slag for the butterfly valve, and a connecting mechanism 4 for conveniently clearing the slag-blocking structure is provided on the outside of the slag-blocking mechanism 3, and the connecting mechanism 4 facilitates clearing the filter net 306.

[0023] See also Figure 2In order to block slag from the butterfly valve, in this embodiment, the slag blocking mechanism 3 includes a connecting pipe 301 fixed on the left side of the butterfly valve body 1, the top wall and the bottom wall of the inner cavity of the connecting pipe 301 are fixed with fixed blocks 302, the left sides of the upper and lower side fixed blocks 302 are fixed with supporting circulation plates 303 by bolts, the left side of the supporting circulation plate 303 is fixed with a filter cartridge 304 by bolts, the outer side of the filter cartridge 304 is fixed with a first sealing ring 305, the inside of the filter cartridge 304 is fixed with a filter screen 306, the left side of the input installation pipe 404 can be fixedly installed with a circulating input pipe, and the right side of the output installation pipe 2 can be fixedly installed with a circulating output pipe. When the fluid enters the interior of the butterfly valve body 1 through the connecting pipe 301, the filter screen 306 fixed inside the connecting pipe 301 can filter impurities such as particulate matter and slag in the fluid and intercept them on the left side of the filter screen 306.

[0024] In this embodiment, at least two flow holes are opened on the right side of the supporting flow plate 303, and the at least two flow holes are evenly distributed on the right side of the supporting flow plate 303. The upper and lower side fixing blocks 302 are symmetrically distributed on the upper and lower sides of the horizontal center axis of the connecting pipe 301. The first sealing ring 305 is a first rubber ring. The outer diameter of the first sealing ring 305 is matched with the inner diameter of the connecting pipe 301, and the inner diameter of the first sealing ring 305 is matched with the outer diameter of the filter cartridge 304.

[0025] It should be noted that the support flow plate 303 can support the right side of the filter screen 306, thereby improving the stability of filtering and intercepting impurities such as particles and debris. The fluid can flow to the interior of the butterfly valve body 1 through the connecting pipe 301, the filter screen 306 and the support flow plate 303, thereby filtering and intercepting impurities such as particles and debris in the fluid, thereby reducing the possibility of impurities such as particles and debris in the fluid flowing into the interior of the butterfly valve and causing the butterfly valve to get stuck or leak.

[0026] See also Figure 3In order to facilitate the dredging of the filter screen 306, in this embodiment, the connecting mechanism 4 includes a first mounting ring 401 fixed to the left side of the connecting pipe 301, a second sealing ring 402 is fixed to the left side of the first mounting ring 401 and located on the outside of the connecting pipe 301, a second mounting ring 403 is fixed to the left side of the first mounting ring 401 and located on the left side of the second sealing ring 402 by bolts, an input mounting pipe 404 is fixed to the left side of the second mounting ring 403 and located on the outside of the connecting pipe 301, the input mounting pipe 404 is slidably connected to the outside of the connecting pipe 301, and the second mounting ring 403 Limiting rods 405 are fixed on the upper and lower sides of the right side, and limiting grooves 406 are provided on the upper sides of the left side of the first mounting ring 401. The limiting rods 405 are placed inside the limiting grooves 406. The first mounting ring 401 and the second mounting ring 403 can be separated by twisting the bolts on the left side of the second mounting ring 403, so that the input mounting pipe 404 can be pulled out from the outside of the left side of the connecting pipe 301, which is convenient for unblocking the filter net 306 inside the connecting pipe 301, and at the same time, it is convenient to clean the particles, residues and other impurities inside the connecting pipe 301 and on the left side of the filter net 306.

[0027] In this embodiment, the second sealing ring 402 is a second rubber ring, the inner diameter of the input mounting tube 404 is adapted to the outer diameter of the connecting tube 301, the input mounting tube 404 is connected to the connecting tube 301, the limiting rod 405 moves linearly left and right inside the limiting groove 406, and the inner diameter of the second mounting ring 403 is adapted to the outer diameter of the connecting tube 301.

[0028] It should be noted that, under the action of the limiting rods 405 and the limiting grooves 406 on the upper and lower sides, the first mounting ring 401 and the second mounting ring 403 can be limited and fixedly connected to avoid reducing the sealing performance due to installation deviation.

[0029] The working principle of the above embodiment is:

[0030] (1) The input pipe for circulation can be fixedly installed on the left side of the input installation pipe 404, and the output pipe for circulation can be fixedly installed on the right side of the output installation pipe 2. When the fluid enters the butterfly valve body 1 through the connecting pipe 301, the filter net 306 fixed inside the connecting pipe 301 can filter the impurities such as particles and debris in the fluid and intercept them on the left side of the filter net 306. The supporting flow plate 303 can support the right side of the filter net 306 to improve the stability of filtering and intercepting impurities such as particles and debris. The fluid can flow into the interior of the butterfly valve body 1 through the connecting pipe 301, the filter net 306 and the supporting flow plate 303, thereby filtering and intercepting impurities such as particles and debris in the fluid, reducing the possibility that impurities such as particles and debris in the fluid flow into the butterfly valve and cause the butterfly valve to get stuck or leak.

[0031] (2) The first mounting ring 401 and the second mounting ring 403 can be separated by twisting the bolt on the left side of the second mounting ring 403, so that the input mounting pipe 404 can be pulled out from the outside of the left side of the connecting pipe 301, which is convenient for unblocking the filter screen 306 inside the connecting pipe 301, and at the same time, it is convenient to clean the particles, residues and other impurities inside the connecting pipe 301 and located on the left side of the filter screen 306. At the same time, under the action of the limiting rods 405 and the limiting grooves 406 on the upper and lower sides, the first mounting ring 401 and the second mounting ring 403 can be limited and fixedly connected to avoid the reduction of sealing performance due to installation deviation.

[0032] 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. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A novel slag ring butterfly valve, comprising a butterfly valve body (1), characterized in that: An output mounting pipe (2) is fixed to the right side of the butterfly valve body (1), a slag blocking mechanism (3) for blocking slag for the butterfly valve is provided on the left side of the butterfly valve body (1), and a connecting mechanism (4) for dredging the slag blocking structure is provided on the outside of the slag blocking mechanism (3); The slag blocking mechanism (3) comprises a connecting pipe (301) fixed to the left side of the butterfly valve body (1), the top wall and the bottom wall of the inner cavity of the connecting pipe (301) are fixed with fixing blocks (302), the left sides of the fixing blocks (302) on the upper and lower sides are fixed with supporting circulation plates (303) by bolts, the left side of the supporting circulation plate (303) is fixed with a filter cartridge (304) by bolts, the outer side of the filter cartridge (304) is fixed with a first sealing ring (305), and the inside of the filter cartridge (304) is fixed with a filter screen (306).

2. According to claim 1, the new type of slag ring butterfly valve is characterized by: The right side of the supporting circulation plate (303) is provided with at least two circulation holes, and the at least two circulation holes are evenly distributed on the right side of the supporting circulation plate (303).

3. According to claim 1, the new type of slag ring butterfly valve is characterized by: The upper and lower fixing blocks (302) are symmetrically distributed on the upper and lower sides of the transverse central axis of the connecting pipe (301), and the first sealing ring (305) is a first rubber ring.

4. A new type of slag retaining ring butterfly valve according to claim 1, characterized in that: The outer diameter of the first sealing ring (305) is matched to the inner diameter of the connecting pipe (301), and the inner diameter of the first sealing ring (305) is matched to the outer diameter of the filter cartridge (304).

5. According to claim 1, the new type of slag ring butterfly valve is characterized by: The connecting mechanism (4) comprises a first mounting ring (401) fixed to the outside of the left side of the connecting tube (301); a second sealing ring (402) is fixed to the left side of the first mounting ring (401) and located on the outside of the connecting tube (301); a second mounting ring (403) is fixed to the left side of the first mounting ring (401) and located on the left side of the second sealing ring (402) by bolts; an input mounting tube (404) is fixed to the left side of the second mounting ring (403) and located on the outside of the connecting tube (301); the input mounting tube (404) is slidably connected to the outside of the connecting tube (301); limiting rods (405) are fixed to the upper and lower sides of the right side of the second mounting ring (403); limiting grooves (406) are provided to the upper and lower sides of the left side of the first mounting ring (401); the limiting rods (405) are placed inside the limiting grooves (406).

6. A new type of slag retaining ring butterfly valve according to claim 5, characterized in that: The second sealing ring (402) is a second rubber ring, the inner diameter of the input installation tube (404) is matched to the outer diameter of the connecting tube (301), and the input installation tube (404) is connected to the connecting tube (301).

7. A new type of slag retaining ring butterfly valve according to claim 5, characterized in that: The limiting rod (405) moves linearly left and right inside the limiting groove (406), and the inner diameter of the second mounting ring (403) is adapted to the outer diameter of the connecting pipe (301).

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