Plate type check valve for ship

Abstract

The plate-type check valve for the ship comprises a plate-type check valve body, a cleaning assembly is arranged on a sealing cover at a valve port of the plate-type check valve body, and the cleaning assembly is used for cleaning an inner cavity of the plate-type check valve body. The cleaning assembly comprises a rotating mechanism, a water inlet pipe and a plurality of branch pipes, the water inlet pipe is vertically and movably installed in the middle of the sealing cover through a bearing, and a plurality of water outlets are formed in the bottom of the water inlet pipe. The cleaning assembly is arranged on the sealing cover mounted at the valve port of the plate type check valve, so that the water inlet pipe on the cleaning assembly sprays out of the nozzles arranged on the branch pipes under the input of cleaning water, and then impurities left in the inner cavity of the plate type check valve are cleaned; and the phenomenon that the hinged position of the plate type check valve cannot rotate due to impurity residues in the check process of the plate type check valve on the sewage pipeline is avoided, and then the check effect of the plate type check valve on the ship sewage pipeline is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to check valve technical field, concretely relates to a plate check valve for ship. BACKGROUND

[0002] Check valve is the closing part for circular valve and acts by its own weight and medium pressure to block the backflow of medium. It belongs to automatic valve, also called check valve, one-way valve, backflow valve or isolation valve. When the inlet pressure is greater than the sum of the valve weight and its flow resistance, the valve is opened. Otherwise, the valve is closed when the medium backflows.

[0003] The existing plate check valve for ship is generally used for preventing reverse and check in sewage pipeline, but the sewage in the sewage pipeline is corrosive and contains many impurities. In the check process, impurities are left in the hinged part of the plate check valve, which causes the hinged part to be unable to rotate normally, thereby affecting the normal use of the plate check valve. No cleaning assembly is arranged at the valve port of the plate check valve, so that the cleaning assembly cannot clean the inner cavity of the plate check valve regularly, affecting the normal use of the plate check valve. SUMMARY

[0004] In view of the above defects or deficiencies in the prior art, it is desirable to provide a plate check valve for ship to solve the technical problem that the existing plate check valve for ship does not arrange a cleaning assembly at the valve port, so that the cleaning assembly cannot clean the inner cavity of the plate check valve regularly, affecting the normal use of the plate check valve.

[0005] According to the technical scheme provided by the embodiment of the present application, a plate check valve for ship is provided, which comprises a plate check valve body, a cleaning assembly is arranged on the sealing cover at the valve port of the plate check valve body, and the cleaning assembly is used for cleaning the inner cavity of the plate check valve body.

[0006] The cleaning assembly comprises a rotating mechanism, a water inlet pipe and a plurality of branch pipes. The water inlet pipe is vertically movably installed in the middle of the sealing cover through a bearing, the bottom of the water inlet pipe is provided with a plurality of water outlets, each water outlet is provided with a corresponding branch pipe, the bottom of each branch pipe is provided with a plurality of nozzles arranged side by side and spaced apart, which are used for spraying cleaning liquid, and a rotating mechanism is arranged on the water inlet pipe, so that the rotating mechanism drives the water inlet pipe to rotate, thereby rotating the plurality of branch pipes, and the cleaning assembly rotates to clean the inner cavity of the plate check valve body.

[0007] Further, the rotating mechanism comprises a rotating drive, a driving gear and a driven gear. The driven gear is installed on the water inlet pipe, the driven gear is connected with the driving gear in meshing mode, and the driving gear is fixedly connected with the output end of the rotating drive, so that the rotating drive drives the driving gear to rotate the driven gear connected with the driving gear in meshing mode.

[0008] Further, the driving gear and the driven gear are conical gears, and the driving gear is horizontally arranged with the rotating driving member.

[0009] Further, a connecting pipe is movably arranged on the top of the water inlet pipe, and a valve is arranged on the connecting pipe to control the opening and closing of the connecting pipe.

[0010] Further, a protective cover is arranged on the top of the sealing cover, and the protective cover is in a cylindrical structure to protect the cleaning assembly.

[0011] Further, the water inlet pipe extends into the inner cavity of the plate check valve body, and the length of the branch pipe is less than the radius of the inner cavity of the plate check valve body.

[0012] In summary, the application has the following advantages:

[0013] I. The cleaning assembly is arranged on the sealing cover arranged at the valve port of the plate check valve, so that the water inlet pipe of the cleaning assembly sprays water from the plurality of nozzles arranged on the branch pipes under the input of cleaning water, thereby cleaning the impurities remaining in the inner cavity of the plate check valve, avoiding the residual impurities causing the hinge of the plate check valve to be unable to rotate during the reverse stopping of the sewage pipeline, and improving the reverse stopping effect of the plate check valve on the sewage pipeline of the ship.

[0014] II. The cleaning assembly is arranged in a rotatable structure, so that the rotating mechanism drives the water inlet pipe to rotate, thereby driving the plurality of branch pipes on the water inlet pipe to rotate, so that the plurality of nozzles on the branch pipes rotate to clean the inner cavity of the plate check valve, thereby improving the cleaning efficiency of the plate check valve.

[0015] III. The cleaning assembly is arranged on the top of the plate check valve, so that the sealing cover does not need to be opened to clean the inner cavity of the plate check valve, thereby improving the cleaning efficiency of the plate check valve and the reverse stopping effect on the sewage pipeline of the ship. BRIEF DESCRIPTION OF DRAWINGS

[0016] Other features, objects and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments, made with reference to the accompanying drawings:

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

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the side cross-sectional structure of the utility model;

[0020] Figure 4 It is the cleaning assembly structure schematic view of the utility model.

[0021] Figure 5 It is the cleaning assembly bottom structure schematic view of the utility model.

[0022] The figure mark: plate check valve body-100, sealing cover-200, cleaning assembly-300, rotating mechanism-310, rotation driving part-311, driving gear-312, driven gear-313, water inlet pipe-320, branch pipe-330, spray head-331, bearing-340, connecting pipe-350, valve-360, protective cover-400. DETAILED DESCRIPTION

[0023] The application will be described in further detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and are not limited to the utility model. In addition, it should be noted that only parts related to the utility model are shown in the drawings for ease of description.

[0024] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and embodiments.

[0025] A plate check valve for a ship, as shown in Figures 1-5 the sealing cover 200 of the valve port is provided with a cleaning assembly 300, so that the cleaning assembly 300 cleans the inner cavity of the plate check valve body 100; the cleaning assembly 300 includes a rotating mechanism 310, a water inlet pipe 320, and a plurality of branch pipes 330; the water inlet pipe 320 is vertically movably installed in the middle of the sealing cover 200 through a bearing 340, and the bottom of the water inlet pipe 320 is provided with a plurality of water outlets, each of which is provided with a corresponding branch pipe 330; the bottom of each branch pipe 330 is provided with a plurality of spray heads 331 arranged side by side and spaced apart, which are used for spraying cleaning liquid; the water inlet pipe 320 is provided with a rotating mechanism 310, so that when the rotating mechanism 310 is started, it drives the water inlet pipe 320 to rotate, and in turn drives the plurality of branch pipes 330 to rotate, so that the plurality of spray heads 331 on the branch pipes 330 rotate to clean the inner cavity of the plate check valve body 100; the inner cavity of the plate check valve can be cleaned without opening the sealing cover 200, the cleaning efficiency of the plate check valve is improved, and in turn the reverse effect of the plate check valve on the ship sewage pipeline is improved.

[0026] As a preferred embodiment, please refer to Figure 4 and Figure 5, the rotating mechanism 310 includes a rotating driving piece 311, a driving gear 312 and a driven gear 313, the driven gear 313 is installed on the water inlet pipe 320, the driven gear 313 is meshed with the driving gear 312, the driving gear 312 is fixedly connected with the output end of the rotating driving piece 311, so that the rotating driving piece 311 drives the driving gear 312 to rotate, and then the driving gear 312 drives the meshed driven gear 313 to rotate, so that the water inlet pipe 320 installed with the driven gear 313 rotates, so that the cleaning assembly 300 rotates and cleans the inner cavity of the plate check valve.

[0027] As a preferred embodiment, refer to Figure 4 And Figure 5 The driving gear 312 and the driven gear 313 are conical gears, and the driving gear 312 and the rotating driving piece 311 are horizontally arranged, and the rotating driving piece 311 is horizontally installed on the side of the protective cover 400, so that the torque force output by the rotating driving piece 311 is transmitted to the driven gear 313 in time, and the connecting pipe 350 is driven to rotate, which does not affect the cleaning of the plate check valve inner cavity by the cleaning assembly 300.

[0028] As a preferred embodiment, refer to Figure 2 And Figure 4 The connecting pipe 350 is movably installed on the top of the water inlet pipe 320, so that the connecting pipe 350 does not rotate with the water inlet pipe 320 during the rotation of the water inlet pipe 320, and the valve 360 is installed on the connecting pipe 350, which is used for opening and closing control of the connecting pipe 350.

[0029] As a preferred embodiment, refer to Figure 2 And Figure 3 The protective cover 400 is also installed on the top of the sealing cover 200, and the cleaning assembly 300 is installed in the protective cover 400 for protection of the cleaning assembly 300.

[0030] As a preferred embodiment, refer to Figure 2 And Figure 3 The water inlet pipe 320 extends into the inner cavity of the plate check valve body 100, and the length of the branch pipe 330 is less than the radius of the inner cavity of the plate check valve body 100, so that the rotating mechanism 310 drives the rotation of the plurality of branch pipes 330, which is not affected by the inner diameter of the plate check valve, thereby improving the cleaning efficiency of the cleaning assembly 300 on the inner cavity of the plate check valve.

[0031] The working principle of the plate check valve for ship is:

[0032] When the plate check valve for the ship needs to be cleaned, because the plate check valve is usually used for the sewage pipe check on the ship, during the check process, the residual impurities affect the rotation of the hinge on the plate check valve, the plate check valve needs to be cleaned regularly, in order to improve the check quality of the plate check valve and the cleaning efficiency of the plate check valve, by setting the cleaning assembly 300 on the sealing cover 200 installed at the valve port of the plate check valve, the water inlet pipe 320 on the cleaning assembly 300 is movably installed on the sealing cover 200, the valve 360 on the connecting pipe 350 installed at the top of the water inlet pipe 320 is opened, so that the cleaning water flows into the water inlet pipe 320 from the connecting pipe 350, and into each branch pipe 330, and is sprayed from the several nozzles 331 arranged on each branch pipe 330, thereby cleaning the residual impurities in the inner cavity of the plate check valve, avoiding the residual impurities causing the hinge of the plate check valve to be unable to rotate during the check process of the sewage pipe, thereby improving the check effect of the plate check valve on the sewage pipe of the ship, at the same time, the rotating mechanism 310 on the cleaning assembly 300 is started, so that the rotating driving part 311 on the rotating mechanism 310 drives the driving gear 312 to rotate, thereby driving the driven gear 313 engaged with the driving gear 312 to rotate, so that the water inlet pipe 320 installed with the driven gear 313 rotates, thereby driving the several branch pipes 330 on the water inlet pipe 320 to rotate, so that the several nozzles 331 on the branch pipe 330 rotate to clean the inner cavity of the plate check valve, thereby improving the cleaning efficiency of the plate check valve, by setting the cleaning assembly 300 on the top of the plate check valve, the inner cavity of the plate check valve can be cleaned without opening the sealing cover 200, thereby improving the cleaning efficiency of the plate check valve, and improving the check effect of the plate check valve on the sewage pipe of the ship.

[0033] The above description is only the preferred embodiment of the present application and the description of the technical principle and the like scheme. Meanwhile, the utility model range involved in the present application is not limited to the technical scheme formed by the specific combination of the above technical features, and should also cover other technical schemes formed by any combination of the above technical features or equivalent features without departing from the utility model concept. For example, the technical scheme formed by replacing the above features with the technical features disclosed in the present application (but not limited to) having similar functions.

Claims

1. A plate check valve for a ship, comprising a plate check valve body (100), a sealing cover (200) at a valve port of the plate check valve body (100), and a cleaning assembly (300) arranged on the sealing cover (200), the cleaning assembly (300) being used for cleaning an inner cavity of the plate check valve body (100), characterized in that: the cleaning assembly (300) comprises a rotating mechanism (310), a water inlet pipe (320), and a plurality of branch pipes (330), the water inlet pipe (320) is vertically movably arranged in the middle of the sealing cover (200) through a bearing (340), the bottom of the water inlet pipe (320) is provided with a plurality of water outlets, each of the water outlets is provided with a corresponding branch pipe (330), the bottom of each of the branch pipes (330) is provided with a plurality of spaced nozzles (331) for spraying cleaning liquid, the rotating mechanism (310) is arranged on the water inlet pipe (320) to drive the water inlet pipe (320) to rotate, and the plurality of branch pipes (330) are rotated to rotate the cleaning assembly (300) to clean the inner cavity of the plate check valve body (100). the rotating mechanism (310) comprises a rotating driving member (311), a driving gear (312), and a driven gear (313), the driven gear (313) is arranged on the water inlet pipe (320), the driven gear (313) is in meshing connection with the driving gear (312), and the driving gear (312) is fixedly connected with an output end of the rotating driving member (311) to drive the driven gear (313) in meshing connection with the driving gear (312) to rotate.

2. A plate check valve for a marine vessel according to claim 1, characterised in that: the driving gear (312) and the driven gear (313) are both conical gears, and the driving gear (312) is horizontally arranged with the rotating driving member (311).

3. A plate check valve for a marine vessel according to claim 2, characterised in that: a connecting pipe (350) is movably arranged on the top of the water inlet pipe (320), a valve (360) is arranged on the connecting pipe (350), and the valve (360) is used for opening and closing control of the connecting pipe (350).

4. A plate check valve for a marine vessel according to claim 1, characterized in that: a protective cover (400) is further arranged on the top of the sealing cover (200), the protective cover (400) is in a cylindrical structure, and is used for protection of the cleaning assembly (300).

5. A plate check valve for a marine vessel according to claim 1, characterized in that: the bottom of the water inlet pipe (320) extends into the inner cavity of the plate check valve body (100), and the length of the branch pipe (330) is less than the radius of the inner cavity of the plate check valve body (100).

6. A plate check valve for a marine vessel according to claim 1, characterized in that: ​

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