Pipeline provided with siphon cutoff structure and used for water conservancy project

Abstract

The utility model relates to the technical field of water conservancy projects, and discloses a water conservancy project pipeline with a siphon cutoff structure, which comprises a pipeline main body, a connector arranged at one end of the pipeline main body and a connecting assembly arranged at the other end of the pipeline main body, a water outlet and a water inlet are formed in the upper side wall face and the lower side wall face of the mounting shell in a penetrating mode respectively, a water inlet sliding pipe communicating with the water inlet is fixedly connected to the bottom of an inner cavity of the pipeline body, and a water inlet through groove communicating with the interior of the pipeline body is formed in the side wall face of an inner cavity of the water inlet sliding pipe in a penetrating mode. A cutoff mechanism is arranged in the water inlet sliding pipe and comprises a cutoff cylindrical sliding block which is slidably connected to the interior of the water inlet sliding pipe and can be adjusted in height. By arranging the cutoff mechanism, the siphon cutoff function and the self-cleaning function of the equipment are realized, and the use convenience of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy engineering technical field especially relates to a pipeline with siphon cut-off structure for water conservancy engineering. BACKGROUND

[0002] Through the retrieval application No. 202120502229.0 discloses a pipeline with siphon cut-off structure for water conservancy engineering, including pipeline, one end inside fixedly connected with the installation ring of pipeline, the inside of installation ring is equipped with baffle, the bottom fixedly connected with compression spring of baffle, the bottom fixedly connected with pressure plate of compression spring, the inside of baffle is equipped with through hole, one side fixedly connected with sealing along of through hole, one side fixedly connected with hinge of baffle.

[0003] The pipeline with siphon cut-off structure for water conservancy engineering in the patent application in the use process, by setting sealing cover structure on the side of baffle, when water flow normal flow, can seal cover top dynamic sealing cover and make it rotate around hinge and make through hole open, when water flow occurs siphon effect reverse flow, sealing cover falls down and blocks through hole and blocks water flow, realize the siphon cut-off effect of the equipment, but in the use process like this, when the foreign matter in water flow and adhere to baffle or through hole, will form the hindrance, make baffle not form the closed effect with through hole, lead to the siphon cut-off function failure of the equipment, also inconvenient for staff to clean and maintain, there is improvement space, for this, we propose a pipeline with siphon cut-off structure for water conservancy engineering. UTILITY MODEL CONTENT

[0004] The utility model mainly solves the technical problem of above-mentioned prior art, provides a pipeline with siphon cut-off structure for water conservancy engineering.

[0005] In order to realize above-mentioned purpose, the utility model adopts the following technical scheme, a pipeline with siphon cut-off structure for water conservancy engineering, including pipeline main body, the connecting head that sets up on the one end of pipeline main body and the connecting assembly that sets up on the other end of pipeline main body, the inside fixed mounting of pipeline main body one end has installation shell, the upper and lower two side wall surfaces of installation shell are respectively penetrated and set up and have water outlet and water inlet, the inner chamber bottom of pipeline main body is fixedly connected with the water inlet slide tube that links to each other with water inlet, the inner chamber side wall surface of water inlet slide tube is penetrated and set up and has the water inlet through slot that links to each other with the inside of pipeline main body, the inside fixed mounting of water inlet through slot has filter screen, the inside of water inlet slide tube is provided with cut-off mechanism, cut-off mechanism includes the cut-off cylindrical slider that slides and connects in the inside of water inlet slide tube and can be height adjustable, and the top of cut-off cylindrical slider is provided with reset spring between the inner chamber top wall surface of installation shell.

[0006] Further, the bottom of the water inlet is penetrated and fixedly connected with the inner wall of the water inlet slide tube.

[0007] Further, the outer side wall surface of the flow interruption cylindrical slider is matched with and in contact with the inner cavity side wall surface of the water inlet slide pipe.

[0008] Further, the top end of the flow interruption cylindrical slider is fixedly connected with a limiting slide plate which is in sliding connection with the inner cavity side wall surface of the mounting shell.

[0009] Further, the bottom wall surface of the limiting slide plate is provided with a water outlet through groove at one end away from the flow interruption cylindrical slider.

[0010] Further, the top wall surface of the limiting slide plate is fixedly connected with the edge position of the inner cavity top wall surface of the mounting shell through a return spring.

[0011] Further, the bottom wall surface of the flow interruption cylindrical slider is fixedly connected with an annular cleaning scraper which is in contact with the inner wall surface of the water inlet slide pipe and the side wall surface of the filter screen.

[0012] The utility model provides a pipeline with siphon flow interruption structure for water conservancy projects.

[0013] Beneficial effects:

[0014] 1. The pipeline with siphon flow interruption structure for water conservancy projects, by setting the flow interruption mechanism, when water flows normally during the use of the pipeline, the water contacts the bottom end of the sealing slider, the sealing slider is pushed to move upwards along the inside of the water inlet slide pipe to open the water inlet through groove, the sealing slider drives the limiting slide plate to move upwards along the inner cavity of the mounting shell and compresses the return spring, at this time, the water flows through the inside of the water inlet, the inside of the water inlet slide pipe, the inside of the water inlet through groove, the bottom end of the inside of the mounting shell, the inside of the water outlet through groove and the top end of the inside of the mounting shell and is discharged through the water outlet, that is, the water can flow normally, and the filter screen can filter the flowing water in the inside of the water inlet through groove, so that the foreign matters in the water are retained in the inside of the water inlet slide pipe, so as to avoid the foreign matters from entering the inside of the mounting shell to affect the normal use of the equipment, when there is no water in the inside of the pipeline main body, the upward force of the water on the bottom of the sealing slider disappears, the limiting slide plate drives the sealing slider to move downwards along the inside of the water inlet slide pipe under the elastic force of the return spring to close the water inlet through groove, so as to avoid the backflow of the water and realize the siphon flow interruption function of the equipment, the sealing slider also pushes the foreign matters out of the inside of the water inlet slide pipe during the downward movement, so as to realize the self-cleaning function of the equipment, the above operation is simple and practical, the structure is reasonable and compact, the siphon flow interruption function and the self-cleaning function of the equipment are realized, and the convenience of use of the equipment is improved.

[0015] 2、The pipeline with siphon flow interruption structure for water conservancy projects, through the setting of the annular cleaning scraper, when the closed sliding block moves downward along the inner part of the water inlet sliding pipe, the bottom end of the closed sliding block can better scrape and clean the side wall surface of the water inlet sliding pipe inner cavity and the side wall surface of the filter screen through the annular cleaning scraper, thereby improving the self-cleaning effect of the equipment and further improving the practicability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0016] The structures, proportions, sizes and the like shown in the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and do not define the limiting conditions for implementing the utility model, so they do not have substantial technical significance.

[0017] Figure 1 The pipeline structure with siphon flow interruption structure for water conservancy projects of the utility model is shown in the figure;

[0018] Figure 2 The flow interruption mechanism top view of the utility model is shown in the figure;

[0019] Figure 3 The flow interruption mechanism bottom view of the utility model is shown in the figure;

[0020] Figure 4 The flow interruption mechanism explosion view of the utility model is shown in the figure.

[0021] Legend:

[0022] 10, pipe main body; 11, connecting head; 12, connecting assembly; 13, mounting shell; 14, water outlet; 15, water inlet; 16, water inlet sliding pipe; 17, water inlet channel; 18, filter screen; 19, flow interruption cylindrical sliding block; 20, limiting sliding plate; 21, water outlet channel; 22, reset spring; 23, annular cleaning scraper. DETAILED DESCRIPTION

[0023] The pipeline with siphon flow interruption structure for water conservancy projects, like Figures 1-4As shown, including pipe body 10, set on one end of pipe body 10 on the connector 11 and set on the other end of pipe body 10 on the connection assembly 12, connection assembly 12 is prior art, not described, one end of pipe body 10 is fixedly installed with mounting shell 13, the upper and lower two side walls of mounting shell 13 are respectively provided with water outlet 14 and water inlet 15, the inner cavity of pipe body 10 is fixedly connected with water inlet slide pipe 16 communicated with water inlet 15, the bottom end of water inlet 15 penetrates the inside of water inlet slide pipe 16 and is sealingly fixedly connected with the inner wall of water inlet slide pipe 16, the inner cavity side wall of water inlet slide pipe 16 is provided with water inlet through slot 17 communicated with the inside of pipe body 10, filter screen 18 is fixedly installed in water inlet through slot 17, flow interrupting mechanism is arranged in water inlet slide pipe 16, flow interrupting mechanism includes flow interrupting cylindrical slider 19 slidably connected in the inside of water inlet slide pipe 16, the top end of flow interrupting cylindrical slider 19 and the top wall of mounting shell 13 are provided with reset spring 22, the outer side wall of flow interrupting cylindrical slider 19 is matched with the inner cavity side wall of water inlet slide pipe 16 and is in contact, the top end of flow interrupting cylindrical slider 19 is fixedly connected with limiting slide plate 20 slidably connected with the inner cavity side wall of mounting shell 13, the bottom wall of limiting slide plate 20 away from one end of flow interrupting cylindrical slider 19 is provided with water outlet through slot 21, the top wall edge of limiting slide plate 20 is fixedly connected with the top wall edge of mounting shell 13 through reset spring 22, the bottom wall edge of flow interrupting cylindrical slider 19 is fixedly connected with annular cleaning scraper 23 in contact with the inner wall of water inlet slide pipe 16 and the side wall of filter screen 18.

[0024] The utility model discloses a working principle: in the process of using pipeline, when water flow normal flow, water flow contacts the bottom of closed sliding block 19, will dislodge closed sliding block 19 and make the water inlet slide pipe 16 inside upward movement and make the water inlet slot 17 open, and closed sliding block 19 drives the limit slide plate 20 and moves up along the installation casing 13 inner chamber and forms compression to reset spring 22, at this time water flow is in turn through the water inlet 15 inside, the water inlet slide pipe 16 inside, the water inlet slot 17 inside, the installation casing 13 inside bottom, the water outlet slot 21 inside and the installation casing 13 inside top and passes through the water outlet 14 and exports, namely water flow can normal flow, and filter screen 18 can filter the flow water through the water inlet slot 17 inside, and the foreign matter in water flow is retained in the water inlet slide pipe 16 inside, to avoid foreign matter to enter the installation casing 13 inside and influence the normal use of the equipment, when the pipeline main part 10 inside has no water flow, the top force that water flow applies on the bottom of closed sliding block 19 disappears, and the limit slide plate 20 drives closed sliding block 19 and moves down along the water inlet slide pipe 16 inside under the elastic force of reset spring 22 and forms closed to the water inlet slot 17, to avoid water flow backflow, realizes the siphon cut-off function of the equipment, and closed sliding block 19 also pushes the foreign matter and exports from the water inlet slide pipe 16 inside in the process of moving down, realizes the self-cleaning function of the equipment, and the above operation is simple and practical, and the structure is reasonable and compact, realizes the siphon cut-off function and the self-cleaning function of the equipment, improves the convenience of the equipment use, when closed sliding block 19 moves down along the water inlet slide pipe 16 inside, the bottom of closed sliding block 19 can better carry out the material scraping operation to the water inlet slide pipe 16 inner chamber lateral surface and the lateral surface of filter screen 18 through annular cleaning scraper 23, improves the self-cleaning effect of the equipment, and further improves the practicability of the equipment.

[0025] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model.

Claims

1. A pipeline with siphon cut-off structure for hydraulic engineering, comprising a pipeline body (10), a connecting head (11) arranged on one end of the pipeline body (10), and a connecting assembly (12) arranged on the other end of the pipeline body (10), characterized in that: The pipeline body (10) one end inside fixed installation has installation casing (13), installation casing (13) upper and lower two side walls respectively penetrate and open water outlet (14) and water inlet (15), pipeline body (10) inner chamber bottom fixedly connected with water inlet (15) communication water inlet slide pipe (16), water inlet slide pipe (16) inner chamber side wall penetrates and opens and is connected with pipeline body (10) inside communication water inlet channel (17), water inlet channel (17) inside fixed installation has filter screen (18), water inlet slide pipe (16) inside is provided with cut-off mechanism, cut-off mechanism includes the cut-off cylindrical slider (19) of sliding connection in water inlet slide pipe (16) inside can height adjust, the top of cut-off cylindrical slider (19) and installation casing (13) inner chamber top wall surface between the reset spring (22) is provided with.

2. Hydraulic work pipeline with siphon shut-off according to claim 1, characterized in that The bottom of the water inlet (15) penetrates the inside of the water inlet slide pipe (16) and is sealingly and fixedly connected with the inner wall of the water inlet slide pipe (16).

3. The hydraulic work pipeline with siphon shut-off structure according to claim 1, characterized in that: The outer side wall of the cut-off cylindrical slider (19) is adapted to and in contact with the inner side wall of the water inlet slide pipe (16).

4. The hydraulic work pipeline with siphon shut-off structure according to claim 1, characterized in that: The top of the cut-off cylindrical slider (19) is fixedly connected with the limiting slide plate (20) which is slidingly connected with the inner side wall of the installation casing (13), and the bottom wall of the limiting slide plate (20) is fixedly connected with the limiting slide plate (20) which is slidingly connected with the inner side wall of the installation casing (13).

5. Hydraulic work pipeline with siphon shut-off according to claim 4, characterized in that The top wall of the limiting slide plate (20) is fixedly connected with the limiting slide plate (20) which is slidingly connected with the inner side wall of the installation casing (13) through the reset spring (22).

6. The hydraulic work pipeline with siphon shut-off structure according to claim 1, characterized in that: The bottom wall of the cut-off cylindrical slider (19) is fixedly connected with the annular cleaning scraper (23) which is in contact with the inner wall of the water inlet slide pipe (16) and the side wall of the filter screen (18).

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