Marine hydraulic valve

Abstract

The utility model discloses a marine hydraulic valve, which relates to the technical field of hydraulic valves, and comprises a pipeline, the upper side surface of the pipeline is fixedly connected with a first locking box, the upper side surface of the first locking box is fixedly connected with a second locking box, and the inside of the pipeline is rotatably connected with a hydraulic valve rod. The upper end of the hydraulic valve rod rotationally penetrates into the first locking box, a rotating shaft is fixedly connected to the upper end of the hydraulic valve rod, an annular groove is formed in the outer surface of the rotating shaft, a vertical groove is formed in the outer surface of the rotating shaft, and a conical groove is formed in the bottom wall of the annular groove; according to the marine hydraulic valve, the movable protrusion is matched with the annular groove, and the conical groove is matched with the vertical groove, so that connection and disconnection of the driving shaft and the rotating shaft are achieved, the rotating shaft cannot be directly driven to rotate only by rotating the driving shaft, rotation of a valve rod of the hydraulic valve caused by misoperation or mistaken contact is avoided to a great extent, and the stability of the whole marine hydraulic valve is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic valve technical field, especially a marine hydraulic valve. BACKGROUND

[0002] Marine hydraulic valve is a kind of automatic element operated by pressure oil, it is controlled by pressure oil of pressure regulating valve, usually combined with electromagnetic pressure regulating valve, it can be used for the on-off of long-distance control hydroelectric station oil, gas, water pipeline system, commonly used for clamping, control, lubrication etc.

[0003] In prior art, since valve can be directly rotated usually, and due to limited space on ship, overall layout is relatively compact, when walking or because of ship pitching, body is unstable, marine hydraulic valve can be touched by mistake, and unnecessary resource waste is generated, there is certain safety hazard, in view of this, we provide a marine hydraulic valve. UTILITY MODEL CONTENTS

[0004] The utility model discloses a marine hydraulic valve, to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a marine hydraulic valve, including pipeline, the upper side surface of the pipeline is fixedly connected with first locking box, the upper side surface of the first locking box is fixedly connected with second locking box, the inside rotationally connected with hydraulic valve valve stem of the pipeline, the upper end of the hydraulic valve valve stem is rotatable and penetrates into the inside of first locking box, the upper end of the hydraulic valve valve stem is fixedly connected with rotating shaft, the outer surface of the rotating shaft is provided with annular groove, the outer surface of the rotating shaft is provided with vertical groove, the bottom wall of the annular groove is provided with tapered groove, the tapered groove extends to the outer surface of rotating shaft, the tapered groove is communicated with the inside of vertical groove, the inside of the second locking box is movably connected with driving shaft, the upper end of the driving shaft is movably penetrated and comes out the upper side surface of the second locking box, the lower end of the driving shaft is provided with movable groove, the inner wall of the movable groove is fixedly connected with protrusion, the protrusion is slidably connected in the inside of annular groove, reset assembly is arranged on the driving shaft.

[0006] Preferably, the reset assembly includes reset disc, the reset disc is sleeved on the outer surface of the driving shaft, the lower side surface of the reset disc is fixedly connected with limiting column, the inner wall of the first locking box is rotatably connected with reset ring, the upper side surface of the reset ring is fixedly connected with limiting cylinder, the limiting column is slidably sleeved in the inside of limiting cylinder, the lower side surface of the reset ring is provided with through groove communicated with the inside of limiting cylinder.

[0007] Preferably, a spring is fixedly connected to the upper surface of the reset ring, the upper end of the spring is fixedly connected to the lower surface of the reset plate, a slot is formed on the outer surface of the rotating shaft, a second annular groove is formed on the outer surface of the rotating shaft, the slot communicates with the interior of the second annular groove, and a U-shaped frame is fixedly connected to the bottom wall of the first locking box.

[0008] Preferably, a limiting rod is fixedly connected to the lower surface of the U-shaped frame crossbar, a displacement plate is slidably sleeved on the outer surface of the limiting rod, the displacement plate is adapted to the slot, and a second spring is fixedly connected to the lower surface of the displacement plate.

[0009] Preferably, the lower end of the second spring is fixedly connected to the bottom wall of the first locking box, and an annular plate is fixedly connected to the side surface of the displacement plate away from the rotation axis, and the annular plate is aligned with the limiting cylinder.

[0010] Preferably, the pipe has a displacement cavity inside, the displacement cavity is fan-shaped, and the upper surface of the first locking box has an arc-shaped groove, the arc-shaped groove communicating with the interior of the first locking box.

[0011] Preferably, the bottom wall of the first locking box is also provided with an arc-shaped groove communicating with the inside of the displacement cavity, and an L-shaped indicator rod is fixedly connected to the outer surface of the hydraulic valve stem, with the crossbar of the L-shaped indicator rod sliding inside the displacement cavity.

[0012] Preferably, the vertical rod of the L-shaped indicator rod extends out of the upper surface of the first locking box through an arc groove, and the upper surface of the first locking box is provided with a scale indicator groove.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This marine hydraulic valve uses movable protrusions and annular grooves, conical grooves and vertical grooves to connect and disconnect the drive shaft and the rotating shaft. This prevents the drive shaft from directly driving the rotating shaft to rotate, greatly avoiding the valve stem from rotation due to misoperation or accidental contact, and improving the overall stability of the marine hydraulic valve.

[0015] 2. This marine hydraulic valve can not only directly display the adjustment range through the cooperation of the scale indicator groove and the L-shaped indicator rod, but also automatically lock the rotating shaft after the drive shaft and the rotating shaft are disconnected by the automatic reset of the displacement plate, thus improving the overall safety. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 This is a schematic diagram of the structure of a marine hydraulic valve according to the present invention;

[0018] Figure 2 It is the first locking box section view schematic drawing of the utility model;

[0019] Figure 3 It is the rotating shaft section view schematic drawing of the utility model;

[0020] Figure 4 It is the displacement cavity schematic drawing of the utility model;

[0021] Figure 5 It is the rotating shaft schematic drawing of the utility model;

[0022] Figure 6 It is the clamping slot schematic drawing of the utility model;

[0023] Figure 7 It is the driving shaft schematic drawing of the utility model.

[0024] Reference signs: 1, pipeline; 2, first locking box; 3, second locking box; 4, hydraulic valve stem; 5, scale indicating groove; 6, rotating shaft; 7, annular groove; 8, vertical groove; 9, conical groove; 10, driving shaft; 11, movable groove; 12, protrusion; 13, reset disc; 14, limiting column; 15, reset ring; 16, limiting cylinder; 17, spring; 18, clamping slot; 19, second annular groove; 20, U-shaped frame; 21, limiting rod; 22, displacement plate; 23, second spring; 24, annular plate; 25, displacement cavity; 26, arc-shaped groove; 27, L-shaped indicating rod. DETAILED DESCRIPTION

[0025] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0026] Please refer to Figures 1-7The utility model provides a kind of technical scheme: a marine hydraulic valve, including pipeline 1, the upper side surface of pipeline 1 is fixedly connected with first locking box 2, the upper side surface of first locking box 2 is fixedly connected with second locking box 3, the inside rotation of pipeline 1 is connected with hydraulic valve valve stem 4, the upper end of hydraulic valve valve stem 4 rotationally penetrates into the inside of first locking box 2, the upper end of hydraulic valve valve stem 4 is fixedly connected with rotating shaft 6, annular groove 7 is set on the outer surface of rotating shaft 6, vertical groove 8 is set on the outer surface of rotating shaft 6, the bottom wall of annular groove 7 is set with conical groove 9, conical groove 9 extends to the outer surface of rotating shaft 6, conical groove 9 is communicated with the inside of vertical groove 8, the inside of second locking box 3 is movably connected with driving shaft 10, the upper end of driving shaft 10 movably penetrates out the upper side surface of second locking box 3, the lower end of driving shaft 10 is set with movable groove 11, the inner wall of movable groove 11 is fixedly connected with protrusion 12, protrusion 12 is slidably connected in the inside of annular groove 7, reset assembly is set on driving shaft 10, by movable protrusion 12 and the cooperation of annular groove 7, conical groove 9 and vertical groove 8, the connection and disconnection of driving shaft 10 and rotating shaft 6 are realized, so that only pure rotation driving shaft 10 cannot directly drive rotating shaft 6 to rotate, greatly avoid that hydraulic valve valve stem 4 rotates due to misoperation or miscontact, improve the stability of overall marine hydraulic valve.

[0027] Further, the reset assembly comprises a reset disc 13 sleeved on the outer surface of the driving shaft 10, the lower surface of the reset disc 13 is fixedly connected with a limiting column 14, the inner wall of the first locking box 2 is rotationally connected with a reset ring 15, the upper surface of the reset ring 15 is fixedly connected with a limiting cylinder 16, the limiting column 14 is sleeved on the inside of the limiting cylinder 16, the lower surface of the reset ring 15 is provided with a through groove in communication with the inside of the limiting cylinder 16, the upper surface of the reset ring 15 is fixedly connected with a spring 17, the upper end of the spring 17 is fixedly connected with the lower surface of the reset disc 13, the outer surface of the rotating shaft 6 is provided with a clamping groove 18, the outer surface of the rotating shaft 6 is provided with a second annular groove 19, the clamping groove 18 is in communication with the inside of the second annular groove 19, the bottom wall of the first locking box 2 is fixedly connected with a U-shaped frame 20, the lower surface of the crossbar of the U-shaped frame 20 is fixedly connected with a limiting rod 21, the outer surface of the limiting rod 21 is sleeved with a displacement plate 22, the displacement plate 22 is matched with the clamping groove 18, the lower surface of the displacement plate 22 is fixedly connected with a second spring 23, the lower end of the second spring 23 is fixedly connected with the bottom wall of the first locking box 2, the side surface of the displacement plate 22 away from the rotating shaft 6 is fixedly connected with an annular plate 24, the annular plate 24 is aligned with the limiting cylinder 16, the inside of the pipeline 1 is provided with a displacement cavity 25, the displacement cavity 25 is provided as a sector, the upper surface of the first locking box 2 is provided with an arc-shaped groove 26, the arc-shaped groove 26 is in communication with the inside of the first locking box 2, the bottom wall of the first locking box 2 is also provided with an arc-shaped groove 26 in communication with the inside of the displacement cavity 25, the outer surface of the hydraulic valve rod 4 is fixedly connected with an L-shaped indicating rod 27, the crossbar of the L-shaped indicating rod 27 is slid in the inside of the displacement cavity 25, the vertical rod of the L-shaped indicating rod 27 extends out of the upper surface of the first locking box 2 through the arc-shaped groove 26, the upper surface of the first locking box 2 is provided with a scale indicating groove 5, not only the adjustment range can be directly displayed through the cooperation of the scale indicating groove 5 and the L-shaped indicating rod 27, but also the locking of the rotating shaft 6 can be automatically completed after the driving shaft 10 is disconnected from the rotating shaft 6, so that the overall safety is improved.

[0028] Working principle: when operating the hydraulic valve, press down the driving shaft 10, the driving shaft 10 moves downward, the convex 12 moves synchronously, the convex 12 enters the inside of the vertical groove 8 through the tapered groove 9 after moving, the reset disc 13 moves synchronously when the driving shaft 10 moves, the reset disc 13 compresses the spring 17 after moving, the limit column 14 extends to the downside of the reset ring 15 through the limit cylinder 16 when the reset disc 13 moves, the limit column 14 contacts the annular plate 24 after descending, in turn drives the annular plate 24 to descend, the annular plate 24 moves synchronously when descending, the displacement plate 22 moves when the annular plate 24 moves, the second spring 23 is compressed when the displacement plate 22 moves, the displacement plate 22 enters the inside of the second annular groove 19 after moving and being separated from the clamping groove 18, the rotating shaft 6 is driven to rotate by the convex 12 and the vertical groove 8 at this time, the hydraulic valve stem 4 is driven to rotate after the rotating shaft 6 rotates, the displacement plate 22 is in the inside of the second annular groove 19 at this time, therefore, the rotation of the rotating shaft 6 is not hindered, the L-shaped indicating rod 27 is rotated synchronously when the hydraulic valve stem 4 rotates, the L-shaped indicating rod 27 cooperates with the scale indicating groove 5 to limit the rotation angle at this time, the driving shaft 10 is loosened after operation, the driving shaft 10 moves upward under the action of the spring 17, in turn, the convex 12 reenters the inside of the annular groove 7, the driving shaft 10 and the rotating shaft 6 are disconnected, the displacement plate 22 ascends under the action of the second spring 23 at this time because the annular plate 24 lacks the block of the limit column 14, in turn, the displacement plate 22 lacks the block, the displacement plate 22 reenters the inside of the clamping groove 18 after ascending, the rotating shaft 6 is locked synchronously.

[0029] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, within the knowledge range of ordinary skill in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A marine hydraulic valve comprising a duct (1), characterized in that: The upper surface of the pipeline (1) is fixedly connected with a first locking box (2), the upper surface of the first locking box (2) is fixedly connected with a second locking box (3), the inside of the pipeline (1) is rotatably connected with a hydraulic valve stem (4), the upper end of the hydraulic valve stem (4) is rotatably penetrated into the inside of the first locking box (2), the upper end of the hydraulic valve stem (4) is fixedly connected with a rotating shaft (6), the outer surface of the rotating shaft (6) is provided with an annular groove (7), the outer surface of the rotating shaft (6) is provided with a vertical groove (8), the bottom wall of the annular groove (7) is provided with a tapered groove (9), the tapered groove (9) extends to the outer surface of the rotating shaft (6), the tapered groove (9) is communicated with the inside of the vertical groove (8), the inside of the second locking box (3) is movably connected with a drive shaft (10), the upper end of the drive shaft (10) is movably penetrated out of the upper surface of the second locking box (3), the lower end of the drive shaft (10) is provided with a movable groove (11), the inner wall of the movable groove (11) is fixedly connected with a protrusion (12), the protrusion (12) is slidably connected in the inside of the annular groove (7), the drive shaft (10) is provided with a reset assembly.

2. A marine hydraulic valve according to claim 1, characterised in that: The reset assembly comprises a reset disc (13), the reset disc (13) is sleeved on the outer surface of the drive shaft (10), the lower surface of the reset disc (13) is fixedly connected with a limiting column (14), the inner wall of the first locking box (2) is rotatably connected with a reset ring (15), the upper surface of the reset ring (15) is fixedly connected with a limiting cylinder (16), the limiting column (14) is slidably sleeved in the inside of the limiting cylinder (16), the lower surface of the reset ring (15) is provided with a through groove communicated with the inside of the limiting cylinder (16).

3. A marine hydraulic valve according to claim 2, characterised in that: The upper surface of the reset ring (15) is fixedly connected with a spring (17), the upper end of the spring (17) is fixedly connected with the lower surface of the reset disc (13), the outer surface of the rotating shaft (6) is provided with a clamping groove (18), the outer surface of the rotating shaft (6) is provided with a second annular groove (19), the clamping groove (18) is communicated with the inside of the second annular groove (19), the bottom wall of the first locking box (2) is fixedly connected with a U-shaped frame (20).

4. A marine hydraulic valve according to claim 3, characterised in that: The lower surface of the crossbar of the U-shaped frame (20) is fixedly connected with a limiting rod (21), the outer surface of the limiting rod (21) is slidably sleeved with a displacement plate (22), the displacement plate (22) is matched with the clamping groove (18), the lower surface of the displacement plate (22) is fixedly connected with a second spring (23).

5. A marine hydraulic valve according to claim 4, characterised in that: The lower end of the second spring (23) is fixedly connected with the bottom wall of the first locking box (2), the side surface of the displacement plate (22) away from the rotating shaft (6) is fixedly connected with an annular plate (24), the annular plate (24) is aligned with the limiting cylinder (16).

6. A marine hydraulic valve according to claim 1, characterised in that: The inside of the pipeline (1) is provided with a displacement cavity (25), the displacement cavity (25) is provided as a sector, the upper surface of the first locking box (2) is provided with an arc-shaped groove (26), the arc-shaped groove (26) is communicated with the inside of the first locking box (2).

7. A marine hydraulic valve according to claim 6, characterised in that: The bottom wall of the first locking box (2) is also provided with an arc-shaped slot (26) communicated with the inside of the displacement cavity (25), and the outer surface of the hydraulic valve stem (4) is fixedly connected with an L-shaped indicating rod (27), and the horizontal rod of the L-shaped indicating rod (27) slides in the inside of the displacement cavity (25).

8. A marine hydraulic valve according to claim 7, characterised in that: The vertical rod of the L-shaped indicating rod (27) extends out of the upper side surface of the first locking box (2) through the arc-shaped slot (26), and the upper side surface of the first locking box (2) is provided with a scale indicating slot (5).

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