Hydraulic valve protection structure

Abstract

The utility model belongs to the technical field of hydraulic valve protection, and particularly relates to a hydraulic valve protection structure which comprises a valve body. A valve rod is assembled on the valve body, a hand wheel is fixedly connected to the top end of the valve rod, a fixing seat is fixedly connected to the valve body, a sealing gasket is arranged in the fixing seat, two fixing plates are fixedly connected to the valve body, the two fixing plates are located on the two sides of the fixing seat respectively, mounting grooves are formed in the two fixing plates, guide rods are fixedly connected to the interiors of the two mounting grooves, and the guide rods are fixedly connected to the valve rod. The two guide rods are both sleeved with movable blocks, the movable blocks are arranged in the mounting grooves and movably connected with the mounting grooves, and first springs are fixedly connected between the movable blocks and the inner walls of the top ends of the mounting grooves. When the device is used, the valve rod is isolated from external air under the action of the protective cover, so that the valve rod can be protected, the phenomenon that the valve rod is rusted or blocked due to the fact that the valve rod is influenced by natural environments such as rainwater is avoided, and later use is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic valve protection technical field, specifically a kind of hydraulic valve protection structure. BACKGROUND

[0002] Hydraulic valve is a kind of automatic element operated by pressure oil, often combined with electromagnetic pressure regulating valve, can be used for remote control of hydropower station oil, gas, water pipeline system.

[0003] The existing hydraulic valve is generally composed of valve core, valve body, valve rod and operating mechanism for driving valve core to move relatively in valve body, and the main function is to control the opening and closing of valve port and the size of opening by the relative movement of valve core in valve body, so as to realize the control of pressure, flow and direction.

[0004] The conventional hydraulic valve lacks protection mechanism for valve rod, so the valve rod is directly exposed to air and is easily affected by rain and other natural environment, causing the valve rod to be corroded or stuck, which is inconvenient for later use. Therefore, a hydraulic valve protection structure is proposed to solve the above problems. INVENTION CONTENTS

[0005] In order to make up for the deficiencies of the prior art and solve the problems raised in the background art, the utility model provides a hydraulic valve protection structure.

[0006] The technical scheme adopted by the utility model to solve its technical problems is: the utility model discloses a hydraulic valve protection structure, which comprises a valve body; a valve rod is assembled on the valve body; a hand wheel is fixedly connected to the top end of the valve rod; a fixed seat is fixedly connected to the valve body; a sealing gasket is arranged in the fixed seat; two fixed plates are fixedly connected to the valve body, and the two fixed plates are located on the two sides of the fixed seat; mounting grooves are formed in the two fixed plates; guide rods are fixedly connected in the two mounting grooves; movable blocks are sleeved on the two guide rods; the movable blocks are arranged in the mounting grooves and are movably connected with the mounting grooves; first springs are fixedly connected between the movable blocks and the top inner walls of the mounting grooves, and the first springs are sleeved on the movable blocks; fixed rods are fixedly connected to the side surfaces of the two movable blocks; and a protective cover is cooperatively mounted on the two fixed rods. When using the device, the valve rod can be covered in the protective cover through the action of the protective cover, so that the valve rod is isolated from the outside air, thereby protecting the valve rod from being affected by rain and other natural environment, causing the valve rod to be corroded or stuck, which is convenient for later use. When the valve rod needs to be adjusted, the protective cover is held, and the protective cover can be lifted upward until the protective cover is separated from the valve rod under the cooperation of the guide rods, the movable blocks and the first springs. The hand wheel is rotated, so that the valve rod is rotated, thereby adjusting the valve rod. When the adjustment of the valve rod is completed, the hand is removed, and the protective cover is quickly reset through the action of the first spring, so that the valve rod is isolated from the outside air again, and the valve rod is protected again.

[0007] Preferably, a groove is arranged on the inner wall of the top of the protective cover, a bidirectional screw rod is rotatably arranged in the groove, one end of the bidirectional screw rod is equipped with a rotating handle, the rotating handle is arranged outside the protective cover, two moving blocks are sleeved on the bidirectional screw rod, the two moving blocks are arranged in the groove and are in sliding connection with the groove, the bottom ends of the two moving blocks are fixedly connected with arc-shaped clamping plates, in order to avoid self-rotation of the hand wheel covered in the protective cover, the rotating handle is rotated, the bidirectional screw rod drives the two arc-shaped clamping plates to move close to each other, until the two arc-shaped clamping plates are in contact with the other side of the hand wheel, so that the hand wheel can be clamped and fixed, and self-rotation of the hand wheel covered in the protective cover after adjustment is avoided, thereby improving the use effect of the valve body.

[0008] Preferably, the other end of the bidirectional screw rod is equipped with a toothed disc, the toothed disc is arranged outside the protective cover, a buckle is hingedly connected to the circumferential surface of the protective cover through a bolt, the buckle is in meshing connection with the toothed disc, an inclined plate is fixedly connected to the circumferential surface of the protective cover, a second spring is fixed to the inclined plate, and the other end of the second spring is fixed to the buckle, when the hand wheel is clamped and fixed, the toothed disc, the buckle and the second spring are cooperatively arranged, the bidirectional screw rod can be prevented from being reversed, and the arc-shaped clamping plates can be prevented from loosening with the hand wheel, thereby improving the clamping stability of the hand wheel.

[0009] The utility model discloses a beneficial effect lies in:

[0010] 1. The utility model discloses when using the device, through the effect of the protective cover, the valve rod is isolated from the outside air, thereby can protect the valve rod, avoid the influence of rainwater and other natural environment to the valve rod, cause the valve rod to be corroded or stuck and so on phenomenon, convenient for the use of later period;

[0011] 2. The utility model discloses when needing to adjust the valve rod again, under the joint action of the guide rod, movable block and first spring, the protective cover can be lifted upwards until the protective cover is separated from the valve rod, the hand wheel is rotated, and the valve rod is rotated, thereby can adjust the valve rod, when the valve rod is adjusted, the hand is removed, and the protective cover is reset quickly through the action of the first spring, thereby can isolate the valve rod from the outside air again and protect the valve rod again;

[0012] 3. The utility model discloses in order to avoid the hand wheel covered in the protective cover to rotate, the rotating handle is rotated, the bidirectional screw rod drives the two arc-shaped clamping plates to move close to each other, until the two arc-shaped clamping plates are in contact with the other side of the hand wheel, so that the hand wheel can be clamped and fixed, and self-rotation of the hand wheel covered in the protective cover after adjustment is avoided, thereby improving the use effect of the valve body. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained based on these drawings without creative labor.

[0014] Figure 1 It is a whole front view of the structure schematic diagram;

[0015] Figure 2 It is a protective cover sectional view of the structure schematic diagram;

[0016] Figure 3 It is a mounting groove internal structure schematic diagram;

[0017] Figure 4 It is a first clamping assembly structure schematic diagram;

[0018] Figure 5 It is a second clamping assembly structure schematic diagram.

[0019] In the figure: 1, valve body; 2, valve stem; 3, hand wheel; 4, fixed seat; 5, sealing pad; 6, protective cover; 7, fixed plate; 8, mounting groove; 9, guide rod; 10, movable block; 11, first spring; 12, fixed rod; 13, groove; 14, bidirectional screw; 15, arc clamping plate; 16, handle; 17, toothed disc; 18, buckle; 19, inclined plate; 20, second spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] Please refer to Figures 1-3As shown, a hydraulic valve protection structure, including a valve body 1, a valve stem 2 is assembled on the valve body 1, the top end of the valve stem 2 is fixedly connected with a hand wheel 3, a fixed seat 4 is fixedly connected on the valve body 1, a sealing pad 5 is arranged in the fixed seat 4, two fixed plates 7 are fixedly connected on the valve body 1, the two fixed plates 7 are respectively located on the two sides of the fixed seat 4, the two fixed plates 7 are both provided with a mounting groove 8, two guide rods 9 are fixedly connected in the two mounting grooves 8, two movable blocks 10 are sleeved on the two guide rods 9, and the movable blocks 10 are arranged in the mounting grooves 8 and movably connected with the mounting grooves 8, a first spring 11 is fixedly connected between the movable block 10 and the top end inner wall of the mounting groove 8, and the first spring 11 is sleeved on the movable block 10, the side surface of the two movable blocks 10 is fixedly connected with a fixed rod 12, and the two fixed rods 12 are cooperatively mounted with a protective cover 6; when the device is used, the valve stem 2 can be covered in the protective cover 6 through the action of the protective cover 6, so that the valve stem 2 is isolated from the outside air, thereby the valve stem 2 can be protected, the valve stem 2 is prevented from being affected by rainwater and other natural environment, and phenomena such as rusting or jamming of the valve stem 2 are avoided, and the valve stem 2 is convenient for use in the later period; when the valve stem 2 needs to be adjusted again, the protective cover 6 is held by hand, the protective cover 6 can be lifted upward through the cooperation of the guide rod 9, the movable block 10 and the first spring 11, until the protective cover 6 is separated from the valve stem 2, the hand wheel 3 is rotated, the valve stem 2 is rotated, thereby the valve stem 2 can be adjusted; when the adjustment of the valve stem 2 is completed, the hand is removed, the protective cover 6 is quickly reset through the action of the first spring 11, thereby the valve stem 2 can be isolated from the outside air again, and the valve stem 2 can be protected again.

[0022] Please refer to Figure 4 As shown, a recess 13 is formed on the top inner wall of the protective cover 6, a bidirectional screw rod 14 is rotatably installed in the recess 13, one end of the bidirectional screw rod 14 is assembled with a rotating handle 16, and the rotating handle 16 is arranged on the outside of the protective cover 6, two moving blocks are sleeved on the bidirectional screw rod 14, the two moving blocks are arranged in the recess 13 and are slidably connected with the recess 13, the bottom end of the two moving blocks is fixedly connected with an arc-shaped clamping plate 15, in order to avoid self-rotation of the hand wheel 3 covered in the protective cover 6, the rotating handle 16 is rotated, the bidirectional screw rod 14 drives the two moving blocks to move close to each other, thereby the two arc-shaped clamping plates 15 also move close to each other, until the two arc-shaped clamping plates 15 are in contact with the other side of the hand wheel 3, the rotating handle 16 is stopped, thereby the hand wheel 3 can be clamped and fixed, the self-rotation of the hand wheel 3 covered in the protective cover 6 after adjustment is avoided, and the use effect of the valve body 1 is improved.

[0023] Please refer to Figure 5As shown, the other end of the bidirectional screw rod 14 is equipped with a toothed disc 17, and the toothed disc 17 is arranged outside the protective cover 6, and a buckle 18 is hingedly connected to the circumferential surface of the protective cover 6 through a latch, and the buckle 18 is engaged with the toothed disc 17, and an inclined plate 19 is fixedly connected to the circumferential surface of the protective cover 6, and a second spring 20 is fixedly connected to the inclined plate 19, and the other end of the second spring 20 is fixedly connected to the buckle 18; when the hand wheel 3 is clamped and fixed, through the cooperation of the toothed disc 17, the buckle 18 and the second spring 20, the bidirectional screw rod 14 can be prevented from being reversed, and the arc-shaped clamping plate 15 can be prevented from loosening with the hand wheel 3, thereby improving the clamping stability of the hand wheel 3.

[0024] The working principle is that, due to the lack of a protection mechanism for the valve rod 2 in a conventional hydraulic valve, the valve rod 2 is directly exposed to the air and is easily affected by natural environment such as rain, causing the valve rod 2 to be corroded or stuck, which is inconvenient for later use. Therefore, the hydraulic valve protection structure is proposed to solve the above problems. When the device is used, the valve rod 2 is covered in the protective cover 6 through the action of the protective cover 6, so that the valve rod 2 is isolated from the outside air, thereby protecting the valve rod 2 from being affected by natural environment such as rain, causing the valve rod 2 to be corroded or stuck, which is convenient for later use. When it is necessary to adjust the valve rod 2 again, the protective cover 6 is held by hand, and the protective cover 6 can be lifted upward through the cooperation of the guide rod 9, the movable block 10 and the first spring 11 until the protective cover 6 is separated from the valve rod 2, the hand wheel 3 is rotated, and the valve rod 2 is rotated, thereby adjusting the valve rod 2. When the adjustment of the valve rod 2 is completed, the hand is removed, and the protective cover 6 is quickly reset through the action of the first spring 11, thereby isolating the valve rod 2 from the outside air and protecting the valve rod 2 again.

[0025] In order to avoid the self-rotation of the hand wheel 3 covered in the protective cover 6, the handlebar 16 is rotated, the bidirectional screw rod 14 drives the two moving blocks to approach each other, and then the two arc-shaped clamping plates 15 also approach each other, until the two arc-shaped clamping plates 15 are in contact with the other side of the hand wheel 3, and the handlebar 16 is stopped, thereby clamping and fixing the hand wheel 3, avoiding the self-rotation of the hand wheel 3 covered in the protective cover 6 after the adjustment is completed, and improving the use effect of the valve body 1. Through the arrangement of the toothed disc 17, the buckle 18 and the second spring 20, the bidirectional screw rod 14 can be prevented from being reversed, and the arc-shaped clamping plate 15 can be prevented from loosening with the hand wheel 3, thereby improving the clamping stability of the hand wheel 3.

[0026] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0027] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A hydraulic valve protection structure, characterized in that: Includes a valve body (1); a valve stem (2) is mounted on the valve body (1), a handwheel (3) is fixedly connected to the top of the valve stem (2), a fixed seat (4) is fixedly connected to the valve body (1), a sealing gasket (5) is provided in the fixed seat (4), two fixed plates (7) are fixedly connected to the valve body (1), the two fixed plates (7) are respectively located on both sides of the fixed seat (4), each fixed plate (7) has an installation groove (8), and each installation groove (8) has a guide rod fixedly connected to it. 9) Each of the two guide rods (9) is fitted with a movable block (10), and the movable block (10) is set in the mounting groove (8) and is movably connected to the mounting groove (8). A first spring (11) is fixed between the movable block (10) and the inner wall of the top of the mounting groove (8), and the first spring (11) is fitted on the movable block (10). A fixed rod (12) is fixed to the side of each of the two movable blocks (10), and a protective cover (6) is installed on each of the two fixed rods (12).

2. The hydraulic valve protection structure according to claim 1, characterized in that: The protective cover (6) has a groove (13) on its top inner wall. A two-way lead screw (14) is rotatably installed in the groove (13). One end of the two-way lead screw (14) is equipped with a handle (16), and the handle (16) is located on the outside of the protective cover (6).

3. The hydraulic valve protection structure according to claim 2, characterized in that: Two movable blocks are sleeved on the bidirectional lead screw (14). Both movable blocks are set in the groove (13) and are slidably connected to the groove (13). The bottom ends of the two movable blocks are fixed with arc-shaped clamping plates (15).

4. The hydraulic valve protection structure according to claim 2, characterized in that: The other end of the bidirectional lead screw (14) is equipped with a gear plate (17), and the gear plate (17) is located on the outside of the protective cover (6).

5. A hydraulic valve protection structure according to claim 1, characterized in that: The protective cover (6) has a buckle (18) hinged on its circumferential surface by a pin, and the buckle (18) meshes with the gear plate (17).

6. The hydraulic valve protection structure according to claim 1, characterized in that: An inclined plate (19) is fixedly attached to the circumferential surface of the protective cover (6), and a second spring (20) is fixed on the inclined plate (19), with the other end of the second spring (20) fixedly attached to the buckle (18).

Images