CN216514141U

CN216514141U - Marine cathode protection device for seawater valve box

Info

Publication number: CN216514141U
Application number: CN202121725075.8U
Authority: CN
Inventors: 潘宇星; 丁立
Original assignee: Zhenjiang Qilin Ship Equipment Co ltd
Current assignee: Zhenjiang Qilin Ship Equipment Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-05-13
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a marine cathode protection device for a seawater valve box, and relates to the field of marine cathode protection devices. According to the utility model, the second flange plate and the first flange plate can be connected through the connecting screw rod, and simultaneously, the top end of the anode tube body in the watertight cover is connected with the sealing disc, so that the effect of sealing the interior of the anode tube body is achieved, and the top end of the anode tube body is not required to be fixedly connected with the sealing disc through a screw, so that the time can be saved, and the labor is not consumed.

Description

Marine cathode protection device for seawater valve box

Technical Field

The utility model relates to the field of marine cathode protection devices, in particular to a marine cathode protection device for a seawater valve box.

Background

The traditional seawater cooling system structure of the traditional ship comprises a seawater valve box, a filter, a subsea valve, a pump and a heat exchange system. The seawater is pumped from the sea by a pump and is forced to cool the ship by a heat exchange system. Discovery domestic manufacturing's boats and ships launch about one year in the use, the inner wall of sea water valve case has mostly produced serious corruption, the perforation phenomenon of corroding has appeared even, adopt mostly among the prior art to scribble anticorrosive coating and cathodic protection's device at sea water valve case outside and solve, patent application number 20111003955.2 has just provided a marine outboard cooling well impressed current cathodic protection device, this patent can effectively prevent the corruption of each position of cooling well, but because the clearance between watertight cover and the positive pole frame is less, make circular body and circular base be connected inconveniently.

Therefore, it is necessary to invent a cathode protection device for a seawater valve box for a ship to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a marine cathode protection device for a seawater valve box, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a marine cathodic protection device for sea water valve case, including the sea water valve case, the watertight covers and the positive pole body, the fixed watertight cover that is equipped with in top of sea water valve case, the top edge fastening that the watertight covered is equipped with first ring flange, the top of first ring flange is equipped with the second ring flange, the edge of first ring flange and the edge of second ring flange are passed through connecting screw and are connected, the nut at connecting screw top is located the air feed recess at second ring flange top, the positive pole body is located the inside that the watertight covered, the top edge of positive pole body is equipped with the arch, the top of positive pole body is equipped with sealed dish, the fixed positive pole body that is equipped with in bottom of sealed dish, its characterized in that: the edge of the top of the anode tube body is provided with a vertical plate, the vertical plate is uniformly distributed on the top of the anode tube body, the edge of the sealing disc is uniformly provided with a lug, the inner wall of the top end of the vertical plate is fixedly provided with a horizontal baffle, the bottom of the horizontal baffle is provided with a pressing mechanism for extruding the lug, the pressing mechanism is communicated with one end of the air supply tube, and the other end of the air supply tube is communicated with an air supply mechanism in the air supply groove through an air flow channel in the second flange plate;

when the water-tight cover works, the second flange plate and the first flange plate are connected through the connecting screw rod, and meanwhile, the top end of the anode tube body in the water-tight cover is connected with the sealing disc, so that the inner part of the anode tube body is sealed, and the top end of the anode tube body is not required to be fixedly connected with the sealing disc through screws, so that the time can be saved, and the labor is not consumed;

in actual operation, the sealing disc can be arranged at the top of the anode tube body firstly, the lug at the edge of the sealing disc is positioned in the gap between the horizontal baffles when the sealing disc is placed, when the sealing disc is contacted with the top of the anode tube body, the sealing disc can be rotated at the moment, so that the lug on the sealing disc is positioned at the position corresponding to the horizontal baffles, then the second flange disc covers the top of the first flange disc, the air supply pipe at the bottom of the first flange disc is communicated with the air supply mechanism, further, when the first flange disc is connected with the second flange disc through the connecting screw rod, the air supply mechanism in the air supply groove generates air, the air enters the air supply pipe through the air flow channel, then enters the compressing mechanism through the air supply pipe, so that the compressing mechanism compresses the lug at the edge of the top of the anode tube body, and further compresses the sealing disc at the top of the anode tube body, the tight connection of sealed dish and positive pole body is realized, when playing good water-proof effects, does not consume strength, and need not through the marginal spiro union of multiunit screw with positive pole body and sealed dish, and then save time and strength greatly.

Preferably, the pressing mechanism comprises a second spring compression pipe, a containing groove and a rubber pressing plate; the accommodating groove is positioned at the bottom of the horizontal baffle, the bottom of the accommodating groove is fixedly connected with one end of a second spring compression pipe, and the other end of the second spring compression pipe is fixedly connected with one end of the rubber pressing plate; during operation, when air feed mechanism passes through the air supply pipe during to hold-down mechanism's inside air feed, gas will directly get into the inside of second spring compression pipe, and the inside gas that gets into second spring compression pipe will promote the rubber clamp plate and move down, and along with the increase of the inside gas quantity of second spring compression pipe, gas will be continuous pushes down the rubber clamp plate, and the rubber clamp plate will compress tightly the top at the lug, and then compresses tightly the lug at the top edge of anode tube body, and then makes sealed dish compress tightly at the top edge of anode tube body.

Preferably, the top of the horizontal baffle is provided with an air inlet, the air supply pipe is inserted into the air inlet, the inner wall of the air inlet is fixedly provided with a rubber gasket, the edge of the bottom end of the air supply pipe is fixedly provided with a rubber annular plate on the surface of the horizontal baffle, and the bottom end of the air supply pipe is provided with a one-way valve; in operation, the rubber gasket seals the gap between the gas supply duct and the gas inlet to prevent gas from escaping from the gas inlet, and the rubber annular plate will be pressed against the top of the horizontal barrier when the second flange is closed over the first flange, thereby providing a further sealing effect.

Preferably, the gas supply mechanism comprises a first spring compression pipe, an annular gas cavity and an annular plate; the annular plate is positioned inside the air supply groove and is sleeved on the rod piece of the connecting screw rod, the bottom of the annular plate is fixedly connected with the top of the first spring compression pipe, the bottom of the first spring compression pipe is fixedly connected with the bottom of the air supply groove, the bottom of the air supply groove is provided with an annular air cavity, and the annular air cavity is communicated with the bottom of the first spring compression pipe and the air flow channel; during operation, when first ring flange and second ring flange pass through connecting screw fixed connection as needs, can rotate connecting screw through the nut this moment, will also move down along with connecting screw's the nut that moves down, and then the nut moves down will extrude the annular plate, and the annular plate extrudees first spring compression pipe, and the inside gas of first spring compression pipe receives the extrusion will get into the inside of air current passageway through annular air cavity, then gets into the inside of air supply pipe through air current passageway, for the hold-down mechanism air feed.

Preferably, the first spring compression pipes are provided with a plurality of groups, and the plurality of groups of first spring compression pipes are annularly arranged at the bottom edge of the air supply groove at equal intervals; specifically, first spring compression pipe is in the bottom evenly distributed of air feed recess, and then makes the nut receive the more even of the holding power of first spring compression pipe to make the rotation of nut more stable.

Preferably, the upper surface of the annular plate is provided with an annular chute, an annular slide block fixedly arranged at the bottom of the nut is mutually connected with the annular chute in a sliding manner, and balls are uniformly arranged at the bottom of the annular chute; during operation, when the nut rotates, the annular sliding block at the bottom of the nut is connected with the annular sliding groove at the top of the annular plate in a sliding mode, and then the nut is rotated in a limiting mode, so that the nut is rotated more stably, and the friction resistance between the annular sliding block and the annular sliding groove can be greatly reduced by the balls at the bottom of the annular sliding groove, and the nut is rotated more smoothly.

Preferably, the top end of the air supply pipe is fixedly connected to the bottom of the second flange plate, the air supply pipe is vertically arranged, and the number of the air supply pipes is equal to that of the air supply grooves.

The utility model has the technical effects and advantages that:

according to the utility model, the second flange plate and the first flange plate can be connected through the connecting screw rod, and simultaneously, the top end of the anode tube body in the watertight cover is connected with the sealing disc, so that the effect of sealing the interior of the anode tube body is achieved, and the top end of the anode tube body is not required to be fixedly connected with the sealing disc through a screw, so that the time can be saved, and the labor is not consumed;

the rubber gasket can seal the gap between the gas supply pipe and the gas inlet so as to prevent gas from escaping from the gas inlet, and the rubber annular plate can be pressed on the top of the horizontal baffle plate when the second flange plate is covered on the first flange plate so as to achieve a further sealing effect;

when the nut rotates, the annular sliding block at the bottom of the nut is connected with the annular sliding groove at the top of the annular plate in a sliding mode, and then the nut rotates in a limiting mode, so that the nut rotates more stably, the friction resistance between the annular sliding block and the annular sliding groove can be greatly reduced through the balls at the bottom of the annular sliding groove, and the nut rotates more smoothly.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the seawater valve box.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an enlarged schematic view of B in fig. 2.

FIG. 5 is a schematic view of the seal disk

In the figure: the seawater valve box comprises a seawater valve box 1, a watertight cover 2, an anode body 3, a connecting screw rod 4, a first flange plate 5, a second flange plate 6, an air supply groove 7, a first spring compression pipe 8, an air supply pipe 10, a horizontal baffle plate 11, a vertical plate 12, an anode pipe body 13, a screw cap 14, an annular air cavity 15, a sealing disc 16, a bump 17, a containing groove 18, an air inlet 19, a rubber annular plate 20, a rubber gasket 21, a rubber pressing plate 22, an annular plate 23, an annular sliding block 24, an annular sliding groove 25, an air flow channel 26 and a second spring compression pipe 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a marine cathode protection device for a seawater valve box as shown in figures 1-5, which comprises a seawater valve box 1, a watertight cover 2 and an anode tube body 13, wherein the watertight cover 2 is fixedly arranged at the top of the seawater valve box 1, a first flange 5 is fixedly arranged at the top edge of the watertight cover 2, a second flange 6 is arranged at the top of the first flange 5, the edge of the first flange 5 is connected with the edge of the second flange 6 through a connecting screw rod 4, a nut 14 at the top of the connecting screw rod 4 is positioned in an air supply groove 7 at the top of the second flange 6, the anode tube body 13 is positioned inside the watertight cover 2, a bulge is arranged at the top edge of the anode tube body 13, a sealing disc 16 is arranged at the top of the anode tube body 13, and an anode body 3 is fixedly arranged at the bottom of the sealing disc 16, and is characterized in that: the top edge of the anode tube body 13 is provided with a vertical plate 12, the vertical plate 12 is uniformly distributed on the top of the anode tube body 13, the edge of the sealing disc 16 is uniformly provided with a lug 17, the inner wall of the top end of the vertical plate 12 is fixedly provided with a horizontal baffle 11, the bottom of the horizontal baffle 11 is provided with a pressing mechanism for extruding the lug 17, the pressing mechanism is communicated with one end of the air supply tube 10, and the other end of the air supply tube 10 is communicated with an air supply mechanism inside the air supply groove 7 through an air flow channel 26 inside the second flange 6;

when the sealing device works, the second flange 6 and the first flange 5 can be connected through the connecting screw rod 4, and meanwhile, the top end of the anode tube body 13 in the watertight cover 2 is connected with the sealing disc 16, so that the effect of sealing the inside of the anode tube body 13 is achieved, and the top end of the anode tube body 13 is not required to be fixedly connected with the sealing disc 16 through screws, so that the time can be saved, and the labor is not consumed;

in practice, the sealing plate 16 can be placed on the top of the anode tube 13, the bump 17 on the edge of the sealing plate 16 is located in the gap between the horizontal baffles 11, when the sealing plate 16 contacts the top of the anode tube 13, the sealing plate 16 can be rotated to make the bump 17 on the sealing plate 16 located at the position corresponding to the horizontal baffles 11, then the second flange 6 is covered on the top of the first flange 5, and the air supply pipe 10 at the bottom of the first flange 5 is communicated with the air supply mechanism, so that when the first flange 5 is connected with the second flange 6 by the connecting screw 4, the air supply mechanism inside the air supply groove 7 will generate air, the air enters the inside of the air supply pipe 10 through the air flow passage 26, then enters the inside of the pressing mechanism through the air supply pipe 10 to make the pressing mechanism press the bump 17 against the top edge of the anode tube 13, and then compress tightly sealed dish 16 at the top of anode tube body 13, realize sealed dish 16 and anode tube body 13's zonulae occludens, when playing good water-proof effects, do not consume strength, and need not be through the marginal spiro union of multiunit screw with anode tube body 13 and sealed dish 16, and then save time and strength greatly.

The hold-down mechanism includes a second spring compression tube 28, a receiving groove 18 and a rubber press plate 22; the accommodating groove 18 is positioned at the bottom of the horizontal baffle plate 11, the bottom of the accommodating groove 18 is fixedly connected with one end of a second spring compression pipe 28, and the other end of the second spring compression pipe 28 is fixedly connected with one end of the rubber pressing plate 22; during operation, when the gas supply mechanism supplies gas to the inside of the pressing mechanism through the gas supply pipe 10, the gas can directly enter the inside of the second spring compression pipe 28, the gas entering the inside of the second spring compression pipe 28 can push the rubber pressing plate 22 to move downwards, along with the increase of the gas amount entering the inside of the second spring compression pipe 28, the gas can continuously push down the rubber pressing plate 22, the rubber pressing plate 22 can be pressed on the top of the bump 17, the bump 17 is further pressed on the top edge of the anode tube body 13, and the sealing disc 16 is further pressed on the top edge of the anode tube body 13.

The top of the horizontal baffle 11 is provided with an air inlet 19, the air supply pipe 10 is inserted in the air inlet 19, the inner wall of the air inlet 19 is fixedly provided with a rubber gasket 21, the edge of the bottom end of the air supply pipe 10 is positioned on the surface of the horizontal baffle 11 and is fixedly provided with a rubber annular plate 20, and the bottom end of the air supply pipe 10 is provided with a one-way valve; in operation, the rubber gasket 21 seals the gap between the gas supply duct 10 and the gas inlet 19 to prevent gas from escaping from the gas inlet 19, and the rubber annular plate 20 will press against the top of the horizontal baffle 11 when the second flange 6 is closed over the first flange 5, thereby providing a further sealing effect.

The gas supply mechanism comprises a first spring compression pipe 8, an annular gas cavity 15 and an annular plate 23; the annular plate 23 is positioned inside the air supply groove 7, the annular plate 23 is sleeved on the rod piece of the connecting screw rod 4, the bottom of the annular plate 23 is fixedly connected with the top of the first spring compression pipe 8, the bottom of the first spring compression pipe 8 is fixedly connected with the bottom of the air supply groove 7, the bottom of the air supply groove 7 is provided with an annular air cavity 15, and the annular air cavity 15 is communicated with the bottom of the first spring compression pipe 8 and the air flow channel 26; during operation, when first ring flange 5 and second ring flange 6 pass through connecting screw 4 fixed connection, can rotate connecting screw 4 through nut 14 this moment, nut 14 will also move down along with connecting screw 4's the removal, and then nut 14 moves down will extrude annular plate 23, and annular plate 23 extrudees first spring compression pipe 8, and the inside gas of first spring compression pipe 8 receives the extrusion and will get into the inside of air current passageway 26 through annular air cavity 15, then gets into the inside of air supply pipe 10 through air current passageway 26, for the hold-down mechanism air feed.

The first spring compression pipes 8 are provided with a plurality of groups, and the plurality of groups of first spring compression pipes 8 are annularly arranged at the bottom edge of the gas supply groove 7 at equal intervals; specifically, the first spring compression pipes 8 are uniformly distributed at the bottom of the air supply groove 7, so that the supporting force of the screw cap 14 by the first spring compression pipes 8 is more uniform, and the rotation of the screw cap 14 is more stable.

An annular sliding groove 25 is formed in the upper surface of the annular plate 23, an annular sliding block 24 fixedly arranged at the bottom of the screw cap 14 is connected with the annular sliding groove 25 in a sliding mode, and balls are uniformly arranged at the bottom of the annular sliding groove 25; during operation, the nut 14 is in the pivoted time, the annular slider 24 of nut 14 bottom will with the mutual sliding connection of annular chute 25 at annular plate 23 top, and then play spacing effect to the rotation of nut 14 for the more stable of rotation of nut 14, the ball of annular chute 25 bottom can reduce the frictional resistance between annular slider 24 and the annular chute 25 greatly, thereby makes the more smooth of rotation of nut 14.

The top end of the air supply pipe 10 is fixedly connected to the bottom of the second flange plate 6, the air supply pipe 10 is vertically arranged, and the number of the air supply pipes 10 is equal to that of the air supply grooves 7.

The working principle is as follows: when the sealing device works, the second flange 6 and the first flange 5 can be connected through the connecting screw rod 4, and meanwhile, the top end of the anode tube body 13 in the watertight cover 2 is connected with the sealing disc 16, so that the effect of sealing the inside of the anode tube body 13 is achieved, and the top end of the anode tube body 13 is not required to be fixedly connected with the sealing disc 16 through screws, so that the time can be saved, and the labor is not consumed;

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A marine cathode protection device for a seawater valve box comprises a seawater valve box (1), a watertight cover (2) and an anode tube body (13), wherein the watertight cover (2) is fixedly arranged at the top of the seawater valve box (1), a first flange plate (5) is fixedly arranged at the top edge of the watertight cover (2), a second flange plate (6) is arranged at the top of the first flange plate (5), the edge of the first flange plate (5) is connected with the edge of the second flange plate (6) through a connecting screw rod (4), a nut (14) at the top of the connecting screw rod (4) is positioned in an air supply groove (7) at the top of the second flange plate (6), the anode tube body (13) is positioned inside the watertight cover (2), the top edge of the anode tube body (13) is provided with a bulge, the top of the anode tube body (13) is provided with a sealing disc (16), the bottom of the sealing disc (16) is fixedly provided with an anode body (3), the method is characterized in that: the top edge of positive pole body (13) is equipped with vertical board (12), and vertical board (12) are at the top evenly distributed of positive pole body (13), and the edge of sealed dish (16) evenly is equipped with lug (17), and the top inner wall of vertical board (12) is fixed and is equipped with horizontal baffle (11), and the bottom of horizontal baffle (11) is equipped with carries out extruded hold-down mechanism with lug (17), hold-down mechanism and the one end intercommunication of air supply pipe (10), the other end of air supply pipe (10) is through inside air current passageway (26) of second ring flange (6) and the inside air feed mechanism intercommunication of air feed recess (7).

2. The marine cathodic protection device for a seawater valve box as defined in claim 1, wherein: the pressing mechanism comprises a second spring compression pipe (28), a containing groove (18) and a rubber pressing plate (22); the accommodating groove (18) is positioned at the bottom of the horizontal baffle (11), the bottom of the accommodating groove (18) is fixedly connected with one end of a second spring compression pipe (28), and the other end of the second spring compression pipe (28) is fixedly connected with one end of a rubber pressing plate (22).

3. The marine cathodic protection device for a seawater valve box as defined in claim 2, wherein: air inlet (19) have been seted up at the top of horizontal baffle (11), and air supply pipe (10) are inserted and are established in the inside of air inlet (19), and the inner wall of air inlet (19) is fixed and is equipped with rubber liner (21), and the bottom edge of air supply pipe (10) is located the fixed surface of horizontal baffle (11) and is equipped with rubber annular plate (20), and the bottom of air supply pipe (10) is equipped with the check valve.

4. The marine cathodic protection device for a seawater valve box as defined in claim 1, wherein: the gas supply mechanism comprises a first spring compression pipe (8), an annular gas cavity (15) and an annular plate (23); annular plate (23) are located the inside of air feed recess (7), and annular plate (23) cover is established on the member of connecting screw (4), the bottom of annular plate (23) links firmly with the top of first spring compression pipe (8), and the bottom of first spring compression pipe (8) links firmly with the bottom of air feed recess (7), and annular air chamber (15) have been seted up to the bottom of air feed recess (7), and annular air chamber (15) communicate each other with the bottom and air current passageway (26) of first spring compression pipe (8).

5. The marine cathodic protection device for a seawater valve box as defined in claim 4, wherein: the first spring compression pipes (8) are provided with a plurality of groups, and the first spring compression pipes (8) of the groups are annularly arranged at the bottom edge of the air supply groove (7) at equal intervals.

6. The marine cathodic protection device for a seawater valve box as defined in claim 4, wherein: annular spout (25) have been seted up to the upper surface of annular plate (23), annular slider (24) and the mutual sliding connection of annular spout (25) that nut (14) bottom was fixed to be equipped with, the bottom of annular spout (25) evenly is equipped with the ball.

7. The marine cathodic protection device for a seawater valve box as defined in claim 1, wherein: the top fixed connection of air supply pipe (10) is in the bottom of second ring flange (6), and air supply pipe (10) are vertical to be set up, and the quantity of air supply pipe (10) equals with the quantity of air feed recess (7).