Marine valve with good connection sealing performance

Abstract

The utility model relates to the technical field of marine valves, and discloses a marine valve with good connection sealing performance, which comprises a valve seat, and two ends of the valve seat are provided with mounting holes. According to the marine valve with the good connecting and sealing performance, a moving block is controlled to move downwards, a kidney-shaped groove enables a round rod to move towards one end of the outer side, at the moment, the round rod drives connecting plates at the two ends to move towards the outer side, so that a valve plate abuts against one end of a connecting pipe, a second sealing ring is compressed when stressed, and therefore a gap between the valve plate and the connecting pipe is blocked; the valve plates on the two sides move inwards, the valve plates can abut against the surface of the bearing block and move upwards at the moment, pipeline circulation is achieved, the valve plates and the bearing block are attached to the inner wall of the valve seat so that water flow can be prevented from crossing, through the arrangement of the structure, a second sealing ring can be compressed under the stress effect, and therefore the sealing effect is improved. Therefore, the gap between the valve plate and the connecting pipe is blocked, the sealing effect is achieved, and medium leakage can be effectively prevented through the design.

Description

TECHNICAL FIELD

[0001] The utility model relates to marine valve technical field, concretely is a kind of marine valve with good connection sealing performance. BACKGROUND

[0002] Ship as marine transport tool, carries a large amount of goods and passengers, to ensure the safety of ship operation, valve in ship system needs to have good sealing performance, and valve with good sealing performance can effectively prevent medium leakage, reduce accident risk, guarantee the safety of ship and personnel.

[0003] According to the application number for 202221148487.4 disclosed a kind of marine valve with good connection sealing performance, by the sealing guide sleeve being installed with the valve body mounting seat left and right two ends, it is convenient to carry out accurate alignment in valve body installation process, it can be sealed to valve body connecting part simultaneously, double sealing structure design, greatly improve the sealing performance of valve body connecting place, reduce valve body leakage risk.

[0004] But there are still the following problems in actual use process:

[0005] (1) the marine valve in the above-mentioned document is prone to incomplete sealing or gap when closing, which can cause medium leakage from the inside of the valve to the outside environment, cause safety hazards, cause environmental pollution or loss of material resources.

[0006] (2) the marine valve in the above-mentioned document is relatively cumbersome when operating, and the opening and closing of the valve are not convenient, which can increase the complexity and difficulty of operation, and the operator needs more time and energy to adjust the valve position, thereby reducing the efficiency of operation.

[0007] Therefore, the utility model puts forward a kind of marine valve with good connection sealing performance. UTILITY MODEL CONTENT

[0008] In view of the deficiencies of the prior art, the utility model provides a kind of marine valve with good connection sealing performance, with the advantages of being capable of strengthening sealing performance by the expansion of valve and being capable of facilitating the control of the opening and closing of valve, to solve the problems raised in the background art.

[0009] The utility model provides following technical scheme: A kind of marine valve with good connection sealing performance, including valve seat, installation hole is set in the both ends of valve seat, connecting pipe is inserted in the inside of installation hole, load block is slidably connected in the inside of valve seat, cavity is set in the inside of load block, expansion mechanism is provided in the inside of load block, expansion mechanism includes moving block, connecting plate, valve plate, waist type groove and round bar, the surface of moving block is slidably connected with the inside of cavity, waist type groove is set in the surface of moving block, the surface of connecting plate is slidably connected with the both ends of load block, the surface of round bar is slidably connected with the inside of waist type groove, the both ends of round bar are fixedly connected with the side surface of connecting plate, the side surface of valve plate is fixedly connected with the other end of connecting plate, the other side surface of valve plate is abutted with one end of connecting pipe.

[0010] Preferably, the inside of the valve seat is provided with a vertical lifting mechanism, the vertical lifting mechanism comprises a threaded rod one, a knob, a guide rod and a driving rod, one end of the threaded rod one is fixedly connected with the top of one end of the load block, one end of the guide rod is fixedly connected with the top of the other end of the load block, the surfaces of the threaded rod one, the driving rod and the guide rod are slidably connected with the top of the valve seat, one side surface of the knob is rotatably connected with the top of the valve seat, the inner wall of the knob is threadedly connected with the surface of the threaded rod one, one end of the driving rod is rotatably connected with the top of the load block.

[0011] Preferably, the inside of the cavity is rotatably connected with a threaded rod two, the surface of the threaded rod two is threadedly connected with the inside of the moving block, one end of the threaded rod two is fixedly connected with one end of the driving rod.

[0012] Preferably, one end of the connecting pipe is fixedly connected with a connecting flange, a plurality of reserved holes are formed in the surface of the connecting flange, and a screw is passed through the reserved holes to connect the connecting flange with other pipelines.

[0013] Preferably, one side surface of the connecting flange is provided with a mounting groove one, and the mounting groove one is provided with a sealing ring one inside, so that the sealing ring one is extruded when the connecting flange is connected with other pipelines, thereby realizing the sealing between the pipelines.

[0014] Preferably, one end of the connecting pipe away from the connecting flange is provided with a mounting groove two, and the mounting groove two is provided with a sealing ring two inside, and one side surface of the sealing ring two is abutted with one side surface of the valve plate.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The marine valve with good connection and sealing performance, through the expansion mechanism, when the valve plate needs to be closed, the driving rod is rotated to drive the threaded rod two to rotate, so that the moving block moves downward, and the waist-shaped groove moves the one end of the circular rod outward, at this time the circular rod moves the connecting plates at both ends outward, so that the valve plate abuts one end of the connecting pipe, and the sealing ring two is compressed under stress, so as to block the gap between the valve plate and the connecting pipe, thereby achieving the sealing effect, and the control of the moving block moving upward drives the valve plate to move inward, so that the valve plate abuts the surface of the bearing block, at this time the valve plate and the bearing block are moved upward, so that the pipeline is communicated, and the abutment of the valve plate and the bearing block with the inner wall of the valve seat can prevent water flow from passing through, the sealing ring two is compressed under stress, so as to block the gap between the valve plate and the connecting pipe, and the design can effectively prevent medium leakage.

[0017] 2. The marine valve with good connection and sealing performance, through the vertical lifting mechanism, since the knob and the threaded rod one are threadedly connected, the threaded rod one can be driven to move up and down by rotating the knob, thereby driving the bearing block to vertically lift in the valve seat, and the guide rod and the driving rod also move up and down on the surface of the valve seat, wherein the guide rod serves as a position limiter and guide for the bearing block, and the driving rod can facilitate control of the expansion of the valve plate, the structure can realize vertical lifting of the valve plate, so that the medium can flow or be blocked, and the driving rod can control the expansion of the valve plate to fill the gap between the valve plate and the connecting pipe, improve the sealing performance, and prevent medium leakage. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main body structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the valve seat cross section structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the bearing seat cross section structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the moving block cross section structure of the utility model.

[0022] In the drawing: 1, valve seat; 2, knob; 3, threaded rod one; 4, driving rod; 5, guide rod; 6, connecting pipe; 7, connecting flange; 8, reserved hole; 9, sealing ring one; 10, mounting groove one; 11, bearing block; 12, valve plate; 13, mounting hole; 14, sealing ring two; 15, mounting groove two; 16, connecting plate; 17, moving block; 18, cavity; 19, threaded rod two; 20, waist-shaped groove; 21, circular rod; 22, expansion mechanism; 23, vertical lifting mechanism. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-4 A ship valve with good connection sealing performance, including valve seat 1, the both ends of valve seat 1 are provided with mounting hole 13, the inside of mounting hole 13 is inserted with connecting pipe 6, the inside of valve seat 1 is slidably connected with bearing block 11, the inside of bearing block 11 is provided with cavity 18, bearing block 11 is provided with expansion mechanism 22, expansion mechanism 22 includes moving block 17, connecting plate 16, valve plate 12, waist groove 20 and round rod 21, the surface of moving block 17 is slidably connected with the inside of cavity 18, waist groove 20 is arranged on the surface of moving block 17, the surface of connecting plate 16 is slidably connected with the both ends of bearing block 11, the surface of round rod 21 is slidably connected with the inside of waist groove 20, the both ends of round rod 21 are fixedly connected with the surface of one side of connecting plate 16, the surface of one side of valve plate 12 is fixedly connected with the other end of connecting plate 16, the surface of the other side of valve plate 12 is abutted with the one end of connecting pipe 6, the inside of cavity 18 is rotatably connected with screw rod two 19, the surface of screw rod two 19 is threadedly connected with the inside of moving block 17, the one end of connecting pipe 6 away from connecting flange 7 is provided with mounting groove two 15, mounting groove two 15 is provided with sealing ring two 14, the surface of one side of sealing ring two 14 is abutted with the surface of one side of valve plate 12, when it is needed to close valve plate 12, rotating driving rod 4 drives screw rod two 19 to rotate, so that moving block 17 moves downwards, and waist groove 20 makes the one end of round rod 21 move to the outside, at this time, round rod 21 drives the connecting plate 16 at both ends to move to the outside, so that valve plate 12 is abutted to the one end of connecting pipe 6, and sealing ring two 14 is compressed under stress, so as to block the gap between valve plate 12 and connecting pipe 6, thereby achieving sealing effect, and controlling moving block 17 to move upwards drives the valve plate 12 at both sides to move to the inside, so that valve plate 12 is abutted to the surface of bearing block 11, at this time, moving valve plate 12 and bearing block 11 upwards can make pipe flow, and the fit of valve plate 12 and bearing block 11 and the inner wall of valve seat 1 can prevent water flow from passing, the sealing ring two 14 under stress is compressed, so as to block the gap between valve plate 12 and connecting pipe 6, thereby achieving sealing effect, and this design can effectively prevent medium leakage.

[0025] Please refer to Figures 1-2The inside of the valve seat 1 is provided with a vertical lifting mechanism 23, which comprises a threaded rod one 3, a knob 2, a guide rod 5 and a driving rod 4, one end of the threaded rod one 3 is fixedly connected with the top of one end of the bearing block 11, one end of the guide rod 5 is fixedly connected with the top of the other end of the bearing block 11, the surfaces of the threaded rod one 3, the driving rod 4 and the guide rod 5 are slidably connected with the top of the valve seat 1, one side surface of the knob 2 is rotatably connected with the top of the valve seat 1, the inner wall of the knob 2 is threadedly connected with the surface of the threaded rod one 3, one end of the driving rod 4 is rotatably connected with the top of the bearing block 11, since the knob 2 and the threaded rod one 3 are threadedly connected, the threaded rod one 3 can be driven to move up and down by rotating the knob 2, thereby driving the bearing block 11 to vertically lift in the inside of the valve seat 1, and the guide rod 5 and the driving rod 4 also move up and down on the surface of the valve seat 1, wherein the guide rod 5 plays a limiting and guiding role on the bearing block 11, and the driving rod 4 can facilitate the expansion of the valve plate 12, the setting of the structure can realize the vertical lifting of the valve plate 12, so that the medium can flow or be blocked, and the driving rod 4 can control the expansion of the valve plate 12, so as to fill the gap between the valve plate 12 and the connecting pipe 6, improve the sealing performance, and prevent the medium from leaking.

[0026] Please refer to Figures 1-3 One end of the threaded rod two 19 is fixedly connected with one end of the driving rod 4, one end of the connecting pipe 6 is fixedly connected with a connecting flange 7, a plurality of reserved holes 8 are formed in the surface of the connecting flange 7, and a mounting groove one 10 is formed in one side surface of the connecting flange 7.

[0027] Working principle, in use, since the knob 2 and the threaded rod one 3 are threadedly connected, the threaded rod one 3 can be driven to move up and down by rotating the knob 2, thereby driving the bearing block 11 to vertically lift in the inside of the valve seat 1, and the guide rod 5 and the driving rod 4 also move up and down on the surface of the valve seat 1, wherein the guide rod 5 plays a limiting and guiding role on the bearing block 11, and the driving rod 4 can facilitate the expansion of the valve plate 12, when it is needed to close the valve plate 12, the driving rod 4 is rotated to drive the threaded rod two 19 to rotate, thereby driving the moving block 17 to move downward, and the waist-shaped groove 20 drives the one end of the circular rod 21 to move outward, at this time, the circular rod 21 drives the connecting plates 16 at both ends to move outward, thereby making the valve plate 12 abut to one end of the connecting pipe 6, and the sealing ring two 14 is compressed under stress, thereby blocking the gap between the valve plate 12 and the connecting pipe 6, and further playing a sealing effect, and controlling the moving block 17 to move upward drives the valve plates 12 at both sides to move inward, so that the valve plate 12 abuts to the surface of the bearing block 11, at this time, moving the valve plate 12 and the bearing block 11 upward can make the pipeline flow, and the fitting of the valve plate 12 and the bearing block 11 with the inner wall of the valve seat 1 can prevent the water from flowing over.

[0028] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] While embodiments of the present application have been shown and described, it is to be understood that the application is not limited to the details of the embodiments described, since the scope of the application is defined with respect to the appended claims.

Claims

1. A marine valve having good connection sealing performance, characterized by: The utility model provides a valve seat (1), the both ends of valve seat (1) are equipped with mounting hole (13), the inside of mounting hole (13) is inserted with connecting pipe (6), the inside of valve seat (1) is connected with the bearing block (11) of sliding, the inside of bearing block (11) is equipped with cavity (18), the inside of bearing block (11) is equipped with expansion mechanism (22), expansion mechanism (22) includes moving block (17), connecting plate (16), valve plate (12), waist type slot (20) and round bar (21), the surface of moving block (17) is connected with the inside of cavity (18) of sliding, waist type slot (20) is equipped in the surface of moving block (17), the surface of connecting plate (16) is connected with the both ends of bearing block (11) of sliding, the surface of round bar (21) is connected with the inside of waist type slot (20) of sliding, the both ends of round bar (21) are fixedly connected with one side surface of connecting plate (16), one side surface of valve plate (12) is fixedly connected with the other end of connecting plate (16), and the other side surface of valve plate (12) is abutted with one end of connecting pipe (6).

2. A marine valve with good connection sealing performance according to claim 1, characterized in that: The inside of valve seat (1) is provided with vertical lifting mechanism (23), vertical lifting mechanism (23) includes screw rod one (3), knob (2), guide rod (5) and driving rod (4), one end of screw rod one (3) is fixedly connected with the top of one end of bearing block (11), one end of guide rod (5) is fixedly connected with the top of the other end of bearing block (11), the surface of screw rod one (3), driving rod (4) and guide rod (5) is connected with the top of valve seat (1) of sliding, one side surface of knob (2) is rotatably connected with the top of valve seat (1), the inner wall of knob (2) is threadedly connected with the surface of screw rod one (3), one end of driving rod (4) is rotatably connected with the top of bearing block (11).

3. A marine valve with good connection sealing performance according to claim 1, characterized in that: The inside of cavity (18) is rotatably connected with screw rod two (19), the surface of screw rod two (19) is threadedly connected with the inside of moving block (17), one end of screw rod two (19) is fixedly connected with one end of driving rod (4).

4. A marine valve with good connection sealing performance according to claim 1, characterized in that: One end of connecting pipe (6) is fixedly connected with connecting flange (7), the surface of connecting flange (7) is equipped with a plurality of reservation holes (8).

5. A marine valve with good connection sealing performance according to claim 4, characterized in that: One side surface of connecting flange (7) is equipped with mounting groove one (10), the inside of mounting groove one (10) is provided with sealing ring one (9).

6. A marine valve with good connection sealing performance according to claim 1, characterized in that: The end, away from connecting flange (7), of connecting pipe (6) is equipped with mounting groove two (15), the inside of mounting groove two (15) is provided with sealing ring two (14), one side surface of sealing ring two (14) is abutted with one side surface of valve plate (12).

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