Install in inside non return flap valve of pipeline
Technical Field
The utility model relates to the technical field of drainage equipment, in particular to a check flap valve arranged in a pipeline.
Background
The flap valve is generally arranged at the tail end of the drainage pipeline and is provided with a check valve with the function of preventing external water from flowing backwards. The flap valve mainly comprises a valve seat, a valve plate, a water sealing ring and a hinge. The shape is divided into a circle and a square. The flap valve is made of various metal products conventionally, and various composite materials are developed.
When the existing flap valve is used, sewage is generally discharged directly, impurities in the sewage can be discharged along with the sewage, the sewage is difficult to clean in the later period, and therefore part of people can install a filter screen in the flap valve to realize the effect of filtering the sewage.
However, when the existing check flap valve is in actual use, people can find that the filter screen needs to be cleaned and maintained regularly to prevent the inside from being blocked, most of the filter screens installed in the flap valve are installed by adopting flanges, and the installation mode is very complicated and is difficult to disassemble, assemble and replace the filter screens.
Disclosure of utility model
The utility model aims to provide a check flap valve arranged inside a pipeline, so as to solve the problems in the prior art.
The check flap valve comprises an insertion pipe, a flap valve body, a filter frame and locking bolts, wherein one end of the insertion pipe is provided with a connecting flange, the flap valve body is fixed on the connecting flange, a flap valve cover is arranged at one end of the flap valve body, the filter frame is arranged in the flap valve body, a plurality of first limiting sliding grooves and second limiting sliding grooves are formed in the inner side wall of the flap valve body, the first limiting sliding grooves are located on the upper side and the lower side, the second limiting sliding grooves are located on the left side and the right side, a lug corresponding to the first limiting sliding grooves is arranged on the outer side wall of the flap valve body, through jacks are formed in the lug, a filter screen is fixed on the inner side of the filter frame, a first limiting block and a second limiting block matched with the first limiting sliding grooves and the second limiting sliding grooves are respectively embedded in the first limiting sliding grooves and the second limiting sliding grooves, locking jacks are formed in the first limiting blocks, the locking jacks are aligned with the through jacks, the locking bolts penetrate through the locking jacks and are inserted into the through jacks to fix the filter frame, the through jacks, the through bolts can be screwed out of the through jacks, and can be matched with the filter frame through the through bolts, and can be used for being screwed out of the filter frame when the filter frame is connected with the filter frame, and the filter frame is used for being integrally connected with the filter valve, and the filter frame through the filter frame, and the filter frame can be used for being taken out, and the filter frame is fixed inside, and the filter inside the filter frame can be fixed.
Preferably, a mounting seat is arranged above the flap valve main body, a connecting plate is arranged on the mounting seat, and the end part of the connecting plate is fixed on the flap valve cover.
Preferably, a sealing rubber ring is arranged on the outer side wall of the cannula, and the sealing rubber ring is arranged to mainly seal between the cannula and the pipeline.
Preferably, one end of the inner side wall of the insertion pipe far away from the connecting flange is provided with an inclined opening, and the inclined opening is used for reducing sewage flow resistance.
Preferably, the front surface of the filter frame is provided with a handle, and the handle is arranged to facilitate the staff to take out the filter frame.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the whole stability is improved by arranging the insertion pipe to be inserted into the pipeline, the sealing effect is improved by arranging the sealing rubber ring, the filter screen is arranged to play a role in filtering impurities, the filter frame is limited by embedding the first limiting chute and the second limiting chute, the filter frame is fixed by the locking bolt, and the filter frame can be detached only by withdrawing the locking bolt from the locking jack of the first limiting block, so that the operation is simple and easy to understand, the filter screen is convenient to disassemble, assemble and maintain in the later period, and the practicability of the device is improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the flap valve cover of the present utility model in an open configuration;
FIG. 3 is a schematic view of the structure of the filter frame removed in the present utility model.
The device comprises a cannula, 101, a bevel connection, 102, a sealing rubber ring, 2, a connecting flange, 3, a flap valve main body, 301, a convex block, 302, a through jack, 303, a first limiting chute, 304, a second limiting chute, 4, a flap valve cover, 5, a mounting seat, 6, a connecting plate, 7, a filter frame, 701, a filter screen, 702, a handle, 703, a first limiting block, 7031, a locking jack, 704, a second limiting block, 8 and a locking bolt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-3, the utility model provides a technical scheme, which comprises a cannula 1, a flap valve main body 3, a filter frame 7 and a locking bolt 8, wherein one end of the cannula 1 is provided with a connecting flange 2, the flap valve main body 3 is fixed on the connecting flange 2, one end of the flap valve main body 3 is provided with a flap valve cover 4, the filter frame 7 is arranged in the flap valve main body 3, the inner side wall of the flap valve main body 3 is provided with a plurality of first limit sliding grooves 303 and second limit sliding grooves 304, the first limit sliding grooves 303 are positioned at the upper side and the lower side, the second limit sliding grooves 304 are positioned at the left side and the right side, the outer side wall of the flap valve main body 3 is provided with a bump 301 corresponding to the first limit sliding grooves 303, the bump 301 is provided with a through jack 302, the inner side of the filter frame 7 is fixedly provided with a filter screen 701, the outer side of the filter frame 7 is fixedly provided with a first limit sliding groove 303 and a second limit sliding groove 704 which are matched with the first limit sliding grooves 303 and the second limit sliding grooves 304, the first limit sliding grooves 703 and the second limit sliding grooves 304 are respectively embedded in the first limit sliding grooves 303 and the second limit sliding grooves 304, the first limit sliding grooves 703 are arranged on the inner side walls, the first limit sliding grooves 703 are provided with through jack 7031 and the through jack 7031, the through jack 7031 is fixedly inserted between the jack and the jack 7031 and the locking bolt 302 is fixedly inserted into the jack 8, and the jack is in the through the jack locking bolt 7031; the locking bolt 8 can be screwed out from the through jack 302, the fixation of the filter frame 7 is canceled, then the filter frame 7 can be taken out from the inside of the flap valve main body 3, the insertion pipe 1 is used for being inserted into a pipeline when the flap valve is installed, so that the overall stability is improved, and the connecting flange 2 is used for being matched with the expansion bolt to fix the flap valve.
Further, an installation seat 5 is arranged above the flap valve main body 3, a connecting plate 6 is arranged on the installation seat 5, and the end part of the connecting plate 6 is fixed on the flap valve cover 4.
Further, a sealing rubber ring 102 is arranged on the outer side wall of the insertion tube 1, and the sealing rubber ring 102 mainly seals between the insertion tube 1 and a pipeline.
Further, an inclined opening 101 is formed in one end, far away from the connecting flange 2, of the inner side wall of the insertion tube 1, and the inclined opening 101 is used for reducing sewage flow resistance.
Further, the front surface of the filter frame 7 is provided with a handle 702, and the handle 702 is arranged to facilitate the operator to take out the filter frame 7.
In summary, when in use, the cannula 1 is only required to be inserted into a pipeline, the sealing rubber ring 102 is utilized to play a role in sealing, then the connecting flange 2 is matched with the expansion bolts for fixing, and the filter screen 701 on the filter frame 7 is utilized to play a role in filtering impurities in the use process. When the filter frame 7 needs to be disassembled for maintenance, the locking bolt 8 is only required to be rotated, the locking bolt 8 is screwed out from the locking jack 7031, the fixation of the filter frame 7 is canceled, then the handle 702 can be held to pull the filter screen 701 outwards, the filter frame 7 can be pulled out from the inside of the flap valve main body 3, and the filter screen 701 can be cleaned and maintained. During installation, only the first limiting block 703 and the second limiting block 704 are aligned with the first limiting chute 303 and the second limiting chute 304 respectively and are inserted, after the bottom is inserted, the locking bolt 8 is reversely rotated, and the locking bolt 8 is screwed into the locking jack 7031 again.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.