CN220523416U - Valve hand wheel rod protection device - Google Patents

Abstract

The utility model relates to the technical field of valves, in particular to a valve hand wheel rod protection device, which comprises: the valve body is provided with a valve core at the upper part, an opening groove is arranged in the valve core, a rod sleeve is fixedly arranged at the upper part of the valve body, a hand wheel limiting assembly is arranged in the rod sleeve, and the hand wheel limiting assembly comprises a pin rod, a limiting block, a limiting gear ring, a limiting gear, a spring, a fixing plate, a limiting plate and a movable plate; the beneficial effects are as follows: the auxiliary hand wheel is pushed, the pin rod is matched with the fixed plate, the movable plate, the spring, the limiting gear and the limiting gear ring, the constraint plate can move towards the open slot, the limiting gear and the limiting gear ring are separated from each other, at the moment, a worker can rotate the auxiliary hand wheel, then drive the valve core to open the valve body, the auxiliary hand wheel is loosened, the spring can reset the movable plate, the limiting gear can be clamped in the limiting gear ring again, the auxiliary hand wheel can be limited, and misoperation of the auxiliary hand wheel by the worker is avoided.

Description

Valve hand wheel rod protection device

Technical Field

The utility model relates to the technical field of valves, in particular to a valve hand wheel rod protection device.

Background

The valve is a device for adjusting and controlling the flow rate, pressure and flow direction of fluid in a pipeline or a machine, is widely applied in the development and transportation process of petroleum and natural gas, and a hand wheel for controlling the valve core rotation of the valve is arranged on part of the valve in order to facilitate the control of the state of the valve by workers.

In the prior art, a plurality of pipeline junction staff in the outdoor environment generally can install the valve and control its flow, and then lead to the hand wheel on the valve to place in the open air, even lock even hand wheel, because external factor, still appear the hand wheel easily by the condition of maloperation pivoted, lead to the valve to be opened by accident, influence the normal use of valve.

Disclosure of Invention

The utility model aims to provide a valve hand wheel rod protection device which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a valve stem protector, the protector comprising:

the valve body is provided with a valve core at the upper part, an opening groove is arranged in the valve core, a rod sleeve is fixedly arranged at the upper part of the valve body, and a plurality of evenly distributed notches are formed in the periphery of the rod sleeve;

the hand wheel limiting assembly is arranged in the rod sleeve and comprises a pin rod, a limiting block, a limiting gear ring, a limiting gear, a spring, a fixed plate, a constraint plate and a movable plate;

the auxiliary hand wheel is fixedly arranged at the top end of the pin rod.

Preferably, the mounting plates are fixedly mounted on two sides of the valve body, and a plurality of uniformly distributed mounting holes are formed in the surfaces of the mounting plates.

Preferably, the fixed plate is slidably mounted on the lower portion of the periphery of the pin rod, the fixed plate is fixedly mounted on the lower portion in the rod sleeve, the movable plate is fixedly mounted on the upper portion of the periphery of the pin rod, the movable plate is movably mounted inside the rod sleeve, a plurality of uniformly distributed limiting blocks are fixedly mounted on the periphery of the movable plate, and the limiting blocks are slidably connected in the notch.

Preferably, a limiting gear ring is fixedly arranged at the inner upper part of the rod sleeve, a limiting gear is fixedly arranged at the upper part of the outer periphery of the pin rod, and meanwhile, the limiting gear is matched with the limiting gear ring.

Preferably, a spring is fixedly arranged on one side of the movable plate, which is close to the fixed plate, and one end, which is far away from the movable plate, of the spring is fixedly arranged on one side of the fixed plate, which is close to the movable plate.

Preferably, the bottom end of the pin rod is fixedly provided with a constraint plate, and the constraint plate is slidably connected in the open slot.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the auxiliary hand wheel is pushed, the pin rod is matched with the fixed plate, the movable plate, the spring, the limiting gear and the limiting gear ring, so that the constraint plate can move towards the open slot, the limiting gear and the limiting gear ring are mutually separated, at the moment, a worker can rotate the auxiliary hand wheel to drive the valve core to open the valve body, the auxiliary hand wheel is loosened, the spring can reset the movable plate, the limiting gear can be clamped in the limiting gear ring again, the auxiliary hand wheel can be limited, and misoperation of the worker is avoided.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a cross-sectional partial perspective structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the sleeve according to the present utility model;

FIG. 4 is a schematic view of a partial perspective view of a hand wheel stop assembly of the present utility model;

fig. 5 is an enlarged view at a in fig. 2.

In the figure: 1. a valve body; 11. an open slot; 12. a valve core; 2. an auxiliary hand wheel; 3. a rod sleeve; 4. a mounting plate; 5. a mounting hole; 6. a hand wheel limiting assembly; 61. a fixing plate; 62. a pin rod; 63. a limiting block; 64. limiting the gear ring; 65. a spring; 66. a constraint plate; 67. a movable plate; 68. a limit gear; 7. notch.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Embodiment one: referring to fig. 1 to 5, the present utility model provides a technical solution: a valve hand lever protection device, the protection device comprising: the valve comprises a valve body 1, wherein a valve core 12 is arranged at the upper part of the valve body 1, an open slot 11 is arranged in the valve core 12, a rod sleeve 3 is fixedly arranged at the upper part of the valve body 1, and a plurality of evenly distributed notches 7 are formed in the periphery of the rod sleeve 3; the hand wheel limiting assembly 6, the hand wheel limiting assembly 6 locates inside the pole sleeve 3, the hand wheel limiting assembly 6 includes pin 62, stopper 63, spacing ring gear 64, spacing gear 68, spring 65, fixed plate 61, restraint board 66 and fly leaf 67, supplementary hand wheel 2 fixed mounting is on pin 62 top, the equal fixed mounting of valve body 1 both sides has mounting panel 4, a plurality of evenly distributed's mounting hole 5 have all been seted up on mounting panel 4 surface, through setting up mounting panel 4 and mounting hole 5, can make things convenient for the staff to install valve body 1 cooperation fixing bolt on the pipeline, facilitate the use.

Embodiment two:

on the basis of the first embodiment, the valve hand wheel rod protecting device disclosed in the second embodiment of the utility model has the structure basically the same as that of the first embodiment, and is different in that the lower part of the outer periphery of the pin rod 62 is slidably provided with the fixed plate 61, the fixed plate 61 is fixedly arranged at the lower part in the rod sleeve 3, the upper part of the outer periphery of the pin rod 62 is fixedly provided with the movable plate 67, the movable plate 67 is movably arranged in the rod sleeve 3, the outer periphery of the movable plate 67 is fixedly provided with a plurality of uniformly distributed limiting blocks 63, the limiting blocks 63 are slidably connected in the notch 7, the upper part in the rod sleeve 3 is fixedly provided with the limiting gear ring 64, the upper part of the outer periphery of the pin rod 62 is fixedly provided with the limiting gear 68, meanwhile, the limiting gear 68 is matched with the limiting gear ring 64, one side of the movable plate 67 close to the fixed plate 61 is fixedly provided with the spring 65, the spring 65 keeps away from fly leaf 67 one end fixed mounting and is close to fly leaf 67 one side at fixed plate 61, promote auxiliary hand wheel 2, at this moment, pin 62 cooperation fixed plate 61 and fly leaf 67 can remove in pole cover 3, simultaneously spring 65 is compressed, when pin 62 removed, spacing gear 68 and spacing ring gear 64 can separate each other, restraint board 66 can remove to open slot 11, the staff can rotate auxiliary hand wheel 2 this moment, and then drive case 12 and open valve body 1, pin 62 bottom fixed mounting has restraint board 66, restraint board 66 sliding connection is in open slot 11, the length of open slot 11 is greater than restraint board 66, make restraint board 66 leave the space removal in open slot 11, simultaneously can avoid restraint board 66 to break away from open slot 11, lead to valve body 1 uncontrolled.

The scheme is specifically as follows: in the actual use, the staff is through promoting auxiliary hand wheel 2, at this moment, pin 62 cooperation fixed plate 61 and fly leaf 67 can be at the interior removal of pole cover 3, spring 65 is compressed simultaneously, when pin 62 removed, limiting gear 68 and spacing ring gear 64 can be separated each other, restraint board 66 can be to the interior removal of open slot 11, the staff can rotate auxiliary hand wheel 2 this moment, and then drive case 12 and open valve body 1, when not using, loosen auxiliary hand wheel 2, because the characteristic of spring 65, spring 65 can reset fly leaf 67, limiting gear 68 can block in spacing ring gear 64 again, can carry out spacing to auxiliary hand wheel 2, avoid the staff maloperation to rotate auxiliary hand wheel 2.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A valve hand wheel pole protection device which characterized in that: the protection device includes:

the valve comprises a valve body (1), wherein a valve core (12) is arranged at the upper part of the valve body (1), an open slot (11) is formed in the valve core (12), a rod sleeve (3) is fixedly arranged at the upper part of the valve body (1), and a plurality of evenly distributed notches (7) are formed in the periphery of the rod sleeve (3);

the hand wheel limiting assembly (6) is arranged in the rod sleeve (3), and the hand wheel limiting assembly (6) comprises a pin rod (62), a limiting block (63), a limiting gear ring (64), a limiting gear (68), a spring (65), a fixed plate (61), a constraint plate (66) and a movable plate (67);

the auxiliary hand wheel (2), auxiliary hand wheel (2) fixed mounting is in pin (62) top.

2. The valve stem protector of claim 1, wherein: the valve is characterized in that mounting plates (4) are fixedly mounted on two sides of the valve body (1), and a plurality of uniformly distributed mounting holes (5) are formed in the surfaces of the mounting plates (4).

3. The valve stem protector of claim 1, wherein: the fixed plate (61) is slidably mounted on the lower portion of the periphery of the pin rod (62), the fixed plate (61) is fixedly mounted on the lower portion in the rod sleeve (3), the movable plate (67) is fixedly mounted on the upper portion of the periphery of the pin rod (62), the movable plate (67) is movably mounted inside the rod sleeve (3), a plurality of evenly distributed limiting blocks (63) are fixedly mounted on the periphery of the movable plate (67), and the limiting blocks (63) are slidably connected in the notch (7).

4. The valve stem protector of claim 1, wherein: the upper part in the rod sleeve (3) is fixedly provided with a limiting gear ring (64), the upper part of the periphery of the pin rod (62) is fixedly provided with a limiting gear (68), and meanwhile the limiting gear (68) is matched with the limiting gear ring (64).

5. The valve stem protector of claim 1, wherein: a spring (65) is fixedly arranged on one side, close to the fixed plate (61), of the movable plate (67), and one end, far away from the movable plate (67), of the spring (65) is fixedly arranged on one side, close to the movable plate (67), of the fixed plate (61).

6. The valve stem protector of claim 1, wherein: and a restraint plate (66) is fixedly arranged at the bottom end of the pin rod (62), and the restraint plate (66) is slidably connected in the open slot (11).