Corrosion-resistant marine steel casting stop valve body

Abstract

The utility model discloses a corrosion-resistant marine steel casting stop valve body which comprises a valve body, a cleaning box is arranged on one side of the valve body, the cleaning box is communicated with the valve body, a sliding groove is horizontally formed in the inner side wall of the cleaning box, a lifting groove is vertically formed in the top of the sliding groove, the lifting groove is communicated with the sliding groove, and the valve body is fixedly connected with the lifting groove. A filtering plate, a sliding block and a lifting mechanism are arranged in the cleaning box, the filtering plate is slidably connected with the inner side wall of the cleaning box, the sliding block is located on the side wall of the filtering plate, one side of the sliding block is connected with the filtering plate, and the other side of the sliding block extends into the sliding groove and is slidably connected with the side wall of the sliding groove; the sliding block is used for being in sliding connection with the side wall of the lifting groove. The filter plate is simple in structure and reasonable in design, fluid is conveyed into the cleaning box before passing through the valve body, impurities in the fluid are reduced through the filtering effect of the filter plate, the impurities are not prone to being conveyed into the valve body, and workers can replace the filter plate conveniently through the lifting mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of stop valve body, concretely is a kind of corrosion-resistant marine steel casting stop valve body. BACKGROUND

[0002] Corrosion-resistant marine steel casting stop valve body is a valve component specially designed for ship environment, mainly used for controlling the flow of liquid or gas in pipeline. The core feature of corrosion-resistant marine steel casting stop valve body is made of corrosion-resistant material, which can operate stably in marine environment for a long time, resisting corrosion of seawater, salt mist and humid environment.

[0003] Disadvantages of prior art:

[0004] The above-mentioned corrosion-resistant marine steel casting stop valve body, the flow passage inside the valve body directly contacts with seawater, fuel oil, chemicals and other fluids, and impurities such as minerals, suspended particles and microorganisms in the fluid are easy to deposit in the flow passage, thereby easily blocking the corrosion-resistant marine steel casting stop valve body, and further affecting the normal operation of the corrosion-resistant marine steel casting stop valve body. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a corrosion-resistant marine steel casting stop valve body to solve the problems raised in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A corrosion-resistant marine steel casting stop valve body, comprising a valve body, a cleaning box is arranged on one side of the valve body, the cleaning box is communicated with the valve body, a sliding groove is horizontally arranged on the inner side wall of the cleaning box, a lifting groove is vertically arranged on the top of the sliding groove, the lifting groove is communicated with the sliding groove, a filter plate, a sliding block and a lifting mechanism are arranged in the cleaning box, the filter plate is slidingly connected with the inner side wall of the cleaning box, the sliding block is arranged on the side wall of the filter plate, one side of the sliding block is connected with the filter plate, the other side of the sliding block extends into the sliding groove and is slidingly connected with the side wall of the sliding groove, the sliding block is slidingly connected with the side wall of the lifting groove, the lifting mechanism comprises:

[0008] A lifting plate is arranged on the bottom of the filter plate and in the lifting groove, the side wall of the lifting plate is slidingly connected with the side wall of the lifting groove, the top of the lifting plate is abutted with the bottom of the sliding block, a limiting piece is arranged on the lifting plate, the limiting piece is connected with the filter plate and is used for limiting the filter plate;

[0009] A lifting rod is arranged on the bottom of the lifting plate and is connected with the lifting plate, the lifting rod passes through the bottom of the cleaning box and is slidingly connected with the cleaning box;

[0010] A lifting cylinder is arranged at the bottom of the cleaning box, a cylinder body of the lifting cylinder is connected with the cleaning box, and a piston rod of the lifting cylinder is coaxially connected with the lifting rod.

[0011] Preferably, the filter plate and the sliding block are both two, and the two filter plates and sliding blocks are uniformly distributed along the length direction of the cleaning box, each filter plate and sliding block is one-to-one corresponding, a pushing piece is arranged on the filter plate close to the valve body, and the pushing piece is connected with the filter plate and used for pushing the filter plate to move.

[0012] Preferably, the pushing piece comprises:

[0013] A pushing plate is arranged on the side of the filter plate close to the valve body, a side wall of the pushing plate is slidably connected with the inner side wall of the cleaning box, and the side wall of the pushing plate abuts against the side wall of the filter plate.

[0014] A pushing block is arranged on the side of the pushing plate close to the valve body, and a side wall of the pushing block is connected with the side wall of the pushing plate.

[0015] A pushing rod is arranged on the side of the pushing block away from the filter plate, one end of the pushing rod is connected with the side wall of the pushing block, the other end of the pushing rod penetrates through the cleaning box and is slidably connected with the cleaning box.

[0016] A pushing spring is sleeved on the pushing rod, one end of the pushing spring is connected with the side wall of the pushing block, and the other end of the pushing spring is connected with the inner side wall of the cleaning box.

[0017] Preferably, a limiting groove is vertically arranged on the top of the filter plate, and the limiting piece comprises:

[0018] A limiting plate is arranged on the side of the lifting plate away from the valve body and connected with the lifting plate, and the limiting plate abuts against the side wall of the filter plate.

[0019] A limiting rod is arranged on the top of the filter plate, and the limiting rod extends into the limiting groove and is inserted into the limiting groove.

[0020] Preferably, a discharging hole is vertically arranged on the top of the cleaning box, a supporting frame, a screw rod and a cover plate are arranged on the cleaning box, the supporting frame is arranged on the top of the cleaning box, the bottom of the supporting frame is connected with the top of the cleaning box, the screw rod is threadedly arranged on the supporting frame and connected with the cover plate, the cover plate is slidably connected with the side wall of the discharging hole, the cover plate is used for covering the discharging hole, and the cover plate is connected with the limiting rod.

[0021] Preferably, a sealing layer is arranged on the side wall of the cover plate, one side of the sealing layer is connected with the cover plate, and the other side of the sealing layer abuts against the side wall of the discharging hole.

[0022] Preferably, the push plate is provided with a ball bearing, one side of which is connected to the side wall of the push plate, and the other side of which is in contact with the inner side wall of the cleaning box.

[0023] Compared with the prior art, the beneficial effects of this utility model are:

[0024] 1. This corrosion-resistant marine steel casting gate valve body, through a cleaning box set on one side of the valve body, allows the fluid to be filtered by a filter plate before flowing through the valve body, so that impurities are transferred to the filter plate, thereby reducing impurities in the valve body and making it less likely for impurities to accumulate in the valve body, thus enabling the valve body to operate normally. When impurities accumulate on the filter plate, the operator activates the lifting cylinder, so that the lifting rod moves up and down, driving the lifting plate to move up and down synchronously, thereby making the filter plate move up and down synchronously, and then detaching the filter plate from the cleaning box, making it convenient for the operator to disassemble and replace the filter plate.

[0025] 2. This corrosion-resistant marine steel casting gate valve body, by setting a limit rod and a limit plate, when the filter plate is transported to the set position on the lifting plate, the end of the limit rod is inserted into the limit groove on the filter plate, thereby limiting the filter plate, improving the stability of the filter plate, making the filter plate less likely to move at will, thereby improving the filtration effect of the filter plate, and making it less likely for impurities to be transported into the valve body. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 This is a partial structural diagram of the present invention, mainly showing the cleaning box;

[0028] Figure 3 This is a cross-sectional schematic diagram of part of the structure of this utility model, mainly showing the limiting component;

[0029] Figure 4 This is a cross-sectional schematic diagram of part of the structure of this utility model, mainly showing the lifting groove;

[0030] Figure 5 This is an exploded view of part of the structure of this utility model, mainly showing the lifting plate.

[0031] In the diagram: 1. Valve body; 2. Cleaning box; 21. Slide groove; 22. Lifting groove; 23. Discharge hole; 3. Filter plate; 31. Limiting groove; 32. Sliding block; 4. Lifting mechanism; 41. Lifting plate; 42. Lifting rod; 43. Lifting cylinder; 5. Pushing component; 51. Pushing plate; 52. Pushing block; 53. Pushing rod; 54. Pushing spring; 6. Limiting component; 61. Limiting rod; 62. Limiting plate; 7. Support frame; 71. Screw; 72. Cover plate; 73. Sealing layer; 8. Ball bearing; 9. Handwheel. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of the present application.

[0033] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0034] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "setting" should be understood broadly, for example, can be fixedly connected, set, or can be detachably connected, set, or integrally connected, set. For those of ordinary skill in the art, the specific meanings of the above terms in the present patent can be understood according to the specific circumstances.

[0035] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several" is two or more, unless otherwise explicitly specified and limited.

[0036] Please refer to Figures 1-5 As shown in the drawings, the present application provides a kind of corrosion-resistant marine steel casting stop valve body technical scheme:

[0037] The application discloses a corrosion-resistant marine steel casting stop valve body, which comprises a valve body 1, a cleaning box 2 is arranged on one side of the valve body 1, the cleaning box 2 is communicated with the valve body 1, a discharging hole 23 is vertically arranged on the top of the cleaning box 2, a supporting frame 7, a screw rod 71 and a cover plate 72 are arranged on the top of the cleaning box 2, the bottom of the vertically arranged supporting frame 7 is rotationally connected with the top of the cleaning box 2, the supporting frame 7 is in L shape, the vertically arranged screw rod 71 is threadedly arranged in the top of the supporting frame 7, the top of the screw rod 71 is provided with a hand wheel 9, so that the hand wheel 9 is conveniently rotated to drive the screw rod 71 to rotate synchronously, the horizontally arranged cover plate 72 is arranged at the bottom of the screw rod 71 and is rotationally connected with the screw rod 71, the cover plate 72 is used for covering the discharging hole 23, a sealing layer 73 is arranged on the side wall of the cover plate 72, one side of the sealing layer 73 is bonded with the side wall of the cover plate 72, and the other side of the sealing layer 73 is abutted with the discharging hole 23, so that the discharging hole 23 is sealed.

[0038] Two horizontal sliding grooves 21 are arranged on the inner side walls of the cleaning box 2, the two sliding grooves 21 are respectively arranged on the two sides of the cleaning box 2, and lifting grooves 22 are vertically arranged on the end portions of each sliding groove 21 and communicated with the sliding groove 21.

[0039] The cleaning box 2 is provided with a filter plate 3 and a lifting mechanism 4. The vertical filter plate 3 is provided with two filter plates 3 which are uniformly distributed along the length direction of the cleaning box 2. The side wall of each filter plate 3 is slidably connected to the inner side wall of the cleaning box 2. The top of each filter plate 3 is provided with a limiting groove 31. Two sliding blocks 32 are arranged on each filter plate 3 and are located on the two sides of the filter plate 3. One side of each sliding block 32 is fixedly connected to the side wall of the filter plate 3. The other side of each sliding block 32 extends into the sliding groove 21 and is slidably connected to the side wall of the sliding groove 21. The lifting mechanism 4 comprises a lifting cylinder 43, a lifting rod 42 and a lifting plate 41. The lifting cylinder 43 is arranged at the bottom of the cleaning box 2. The cylinder body of the lifting cylinder 43 is fixedly connected to the cleaning box 2. The piston rod of the lifting cylinder 43 is coaxially fixedly connected to the lifting rod 42. The top of the vertical lifting rod 42 penetrates through the cleaning box 2 and is fixedly connected to the bottom of the lifting plate 41. The vertical lifting plate 41 is in the shape of U. The lifting plate 41 is arranged in the cleaning box 2 and is slidably connected to the side wall of the lifting groove 22. The inner side wall of the lifting plate 41 is in contact with the side wall of the filter plate 3. The lifting plate 41 is provided with a limiting piece 6 for limiting the filter plate 3. The limiting piece 6 comprises a limiting plate 62 and a limiting rod 61. The vertical limiting plate 62 is arranged on the side of the lifting plate 41 away from the valve body 1 and is fixedly connected to the lifting plate 41. The side wall of the limiting plate 62 is used for abutting against the filter plate 3, so that the filter plate 3 is limited by the limiting plate 62 after being transmitted to the set position. The limiting rod 61 is arranged at the bottom of the cover plate 72 and is fixedly connected to the cover plate 72 at the top. The bottom of the limiting rod 61 extends into the limiting groove 31 and is slidably connected to the side wall of the limiting groove 31. The filter plate 3 is limited by the limiting rod 61 and the limiting groove 31.

[0040] Before the fluid passes through the valve body 1, the fluid is first transmitted into the cleaning box 2 and passes through the filter plate 3. The impurities in the fluid are transmitted onto the filter plate 3, so as to reduce the impurities on the fluid from being transmitted into the valve body 1, so that the impurities are not easy to accumulate in the valve body 1, thereby prolonging the service life of the valve body 1. When the impurities accumulate on the filter plate 3, the worker adjusts the hand wheel 9, so that the screw rod 71 drives the cover plate 72 to ascend and descend synchronously, so that the cover plate 72 is separated from the discharge hole 23. At the same time, the cover plate 72 drives the limiting plate 62 to ascend and descend synchronously. The end of the limiting rod 61 is separated from the limiting groove 31 on the filter plate 3. The worker further rotates the supporting frame 7 to a set angle, so as to facilitate the movement of the filter plate 3. The worker further starts the lifting cylinder 43. The piston rod of the lifting cylinder 43 drives the lifting rod 42 to ascend and descend synchronously, thereby driving the lifting plate 41 and the filter plate 3 to ascend and descend synchronously, so that the filter plate 3 is separated from the cleaning box 2, thereby facilitating the worker to disassemble the filter plate 3.

[0041] The pusher 5 is installed on the side of the filter plate 3 close to the valve body 1, and the pusher 5 comprises a push plate 51, a push block 52, a push rod 53 and a push spring 54, the push plate 51 is vertically arranged in a square box shape, the push plate 51 is located in the cleaning box 2 and is in sliding connection with the inner side wall of the cleaning box 2, the side wall of the push plate 51 is in abutment with the side wall of the filter plate 3, the side wall of the push plate 51 is provided with a ball 8, one side of the ball 8 is in rotary connection with the push plate 51, and the other side of the ball 8 is in contact with the inner side wall of the cleaning box 2, the push block 52, the push rod 53 and the push spring 54 are all two, and the two push blocks 52, the push rods 53 and the push springs 54 are uniformly distributed along the width direction of the cleaning box 2, each push block 52, the push rod 53 and the push spring 54 are one-to-one corresponding, the side wall of each push block 52 is fixedly connected with the side wall of the push plate 51, one end of the horizontally arranged push rod 53 is fixedly connected with the side wall of the push block 52, the other end of the push rod 53 extends to the outside of the cleaning box 2 after penetrating through the cleaning box 2, the horizontally arranged push spring 54 is sleeved on the push rod 53, one end of the push spring 54 is fixedly connected with the side wall of the push block 52, and the other end of the push spring 54 is fixedly connected with the inner side wall of the cleaning box 2.

[0042] When the filter plate 3 filters the fluid, the side wall of the push plate 51 is always in abutment with the filter plate 3 through the elastic potential energy of the push spring 54 and the limiting plate 62, so that the filter plate 3 is limited, when impurities on the filter plate 3 away from the valve body 1 side accumulate, the staff disassembles the filter plate 3, at this time, under the driving of the elastic potential energy of the push spring 54, the filter plate 3 close to the valve body 1 side is driven by the push plate 51 and is transmitted to the set position on the lifting plate 41, so that the fluid continues to be filtered, and the impurities transmitted to the valve body 1 are reduced, so that the impurities in the valve body 1 are not easy to accumulate, the service life of the valve body 1 is prolonged, and the valve body 1 is protected.

[0043] The working principle of the utility model is as follows:

[0044] In use, the staff transmits the fluid into the cleaning box 2, the impurities in the fluid are adsorbed on the filter plate 3 through the filtering effect of the filter plate 3 and are then transmitted into the valve body 1, so that the impurities are not easy to be transmitted into the valve body 1, the impurities in the valve body 1 are reduced, the valve body 1 is protected, and the service life of the valve body 1 is prolonged.

[0045] When the impurities on the filter plate 3 away from the valve body 1 side accumulate, the staff rotates the hand wheel 9, so that the screw rod 71 drives the cover plate 72 and the limiting rod 61 to rise and fall synchronously, so that the limiting rod 61 is separated from the limiting groove 31 on the filter plate 3, and then the staff starts the lifting cylinder 43, the piston rod of the lifting cylinder 43 drives the lifting rod 42 to rise and fall synchronously, and then drives the lifting plate 41 to rise and fall synchronously, so that the filter plate 3 rises and falls synchronously, so that the filter plate 3 is separated from the cleaning box 2, and the staff can conveniently disassemble and replace the filter plate 3, when the staff disassembles the filter plate 3, the staff transmits the lifting plate 41 to the set position, at this time, the filter plate 3 close to the valve body 1 side is driven by the elastic potential of the push spring 54 and is transmitted to the set position on the lifting plate 41, and then the staff adjusts the support frame 7 and the hand wheel 9, so that the limiting rod 61 at the bottom of the cover plate 72 is transmitted into the limiting groove 31 on the filter plate 3 close to the valve body 1 side, under the limiting action of the limiting plate 62 and the limiting rod 61, the filter plate 3 close to the valve body 1 side continues to filter the fluid, so as to reduce the impurities in the fluid, so that the impurities are not easy to accumulate in the valve body 1, and the service life of the valve body 1 is prolonged.

[0046] The basic principle, main characteristics and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A corrosion resistant marine steel cast valve body for a globe valve, comprising a valve body (1), characterized in that: One side of the valve body (1) is provided with a cleaning box (2), the cleaning box (2) is communicated with the valve body (1), the inner side wall of the cleaning box (2) is horizontally provided with a chute (21), the top of the chute (21) is vertically provided with a lifting groove (22), the lifting groove (22) is communicated with the chute (21), the cleaning box (2) is provided with a filter plate (3), a sliding block (32) and a lifting mechanism (4), the filter plate (3) is slidably connected with the inner side wall of the cleaning box (2), the sliding block (32) is located on the side wall of the filter plate (3), one side of the sliding block (32) is connected with the filter plate (3), the other side of the sliding block (32) extends into the chute (21) and is slidably connected with the side wall of the chute (21), the sliding block (32) is used for being slidably connected with the side wall of the lifting groove (22), the lifting mechanism (4) comprises: The lifting plate (41) is located at the bottom of the filter plate (3) and in the lifting groove (22), the side wall of the lifting plate (41) is slidably connected with the side wall of the lifting groove (22), the top of the lifting plate (41) is abutted with the bottom of the sliding block (32), the lifting plate (41) is provided with a limiting piece (6), the limiting piece (6) is connected with the filter plate (3) and is used for limiting the filter plate (3); The lifting rod (42) is located at the bottom of the lifting plate (41) and is connected with the lifting plate (41), the lifting rod (42) penetrates through the bottom of the cleaning box (2) and is slidably connected with the cleaning box (2); The lifting cylinder (43) is located at the bottom of the cleaning box (2), the cylinder body of the lifting cylinder (43) is connected with the cleaning box (2), the piston rod of the lifting cylinder (43) is coaxially connected with the lifting rod (42).

2. A corrosion resistant marine steel cast valve body according to claim 1, characterized in that: The filter plate (3) and the sliding block (32) are both two, and the two filter plates (3) and sliding blocks (32) are evenly distributed along the length direction of the cleaning box (2), each filter plate (3) and sliding block (32) are one-to-one corresponding, the filter plate (3) near one side of the valve body (1) is provided with a pushing piece (5), the pushing piece (5) is connected with the filter plate (3) and is used for pushing the filter plate (3) to move.

3. A corrosion resistant marine steel cast valve body according to claim 2, characterized in that: The pushing piece (5) comprises: The pushing plate (51) is located on one side of the filter plate (3) close to the valve body (1), the side wall of the pushing plate (51) is slidably connected with the inner side wall of the cleaning box (2), and the side wall of the pushing plate (51) is abutted with the side wall of the filter plate (3); The pushing block (52) is located on one side of the pushing plate (51) close to the valve body (1), the side wall of the pushing block (52) is connected with the side wall of the pushing plate (51); The pushing rod (53) is located on one side of the pushing block (52) away from the filter plate (3), one end of the pushing rod (53) is connected with the side wall of the pushing block (52), and the other end of the pushing rod (53) penetrates through the cleaning box (2) and is slidably connected with the cleaning box (2); A pushing spring (54) is sleeved on the pushing rod (53), one end of the pushing spring (54) is connected with the side wall of the pushing block (52), and the other end of the pushing spring (54) is connected with the inner side wall of the cleaning box (2).

4. A corrosion resistant marine steel cast valve body according to claim 1, characterized in that: The top of the filter plate (3) is vertically provided with a limiting groove (31), and the limiting piece (6) comprises: A limiting plate (62) is located on the side, away from the valve body (1), of the lifting plate (41) and is connected with the lifting plate (41), and the limiting plate (62) abuts against the side wall of the filter plate (3); A limiting rod (61) is located on the top of the filter plate (3), extends into the limiting groove (31) and is inserted into the limiting groove (31).

5. A corrosion resistant marine steel cast valve body according to claim 1, characterized in that: The top of the cleaning box (2) is vertically provided with a discharging hole (23), the cleaning box (2) is provided with a supporting frame (7), a screw rod (71) and a cover plate (72), the supporting frame (7) is located on the top of the cleaning box (2), the bottom of the supporting frame (7) is connected with the top of the cleaning box (2), the screw rod (71) is threadedly provided in the supporting frame (7) and is connected with the cover plate (72), the cover plate (72) is slidably connected with the side wall of the discharging hole (23), the cover plate (72) is used for covering the discharging hole (23), and the cover plate (72) is connected with the limiting rod (61).

6. A corrosion resistant marine steel cast valve body according to claim 5, characterized in that: The side wall of the cover plate (72) is provided with a sealing layer (73), one side of the sealing layer (73) is connected with the cover plate (72), and the other side of the sealing layer (73) abuts against the side wall of the discharging hole (23).

7. A corrosion resistant marine steel cast valve body according to claim 3, characterized in that: The pushing plate (51) is provided with a ball (8), one side of the ball (8) is connected with the side wall of the pushing plate (51), and the other side of the ball (8) is in contact with the inner side wall of the cleaning box (2).

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