Portable pneumatic rotating device for valve hand wheel

Abstract

The utility model provides a portable valve hand wheel pneumatic rotating device which comprises a pneumatic motor and a front valve clamp, the pneumatic motor comprises a cylinder body, a cylinder cover, a tail plug, a first air vent, a second air vent, an axis rod and an outer barrel, and the front valve clamp comprises a valve clamp, a screw buckle, a supporting shaft, a valve rod sleeve opening and a valve clamp base. Compressed air acts on the blades in the cylinder body, the center shaft rotates clockwise under the action of the torque difference generated on the corresponding blades, and air after acting is exhausted through the second ventilation opening. And when compressed air is input from the second air vent, the central shaft rotates reversely. When the center shaft rotates, the front valve clamp is driven to rotate so as to rotate the target hand wheel, and then the purpose of opening and closing the valve is achieved. The device has the advantages of being convenient to carry, simple in valve opening and closing operation and high in safety, damage to the valve body caused by manual rotation can be reduced, and the service life of equipment is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to valve opening and closing control technical field, concretely relates to a portable valve hand wheel pneumatic rotating device. BACKGROUND

[0002] In the actual operation of valve opening and closing, when the valve circle number is less, can utilize manpower to operate, but if the valve distance is too long or needs to rotate too many times, through manpower, it is time -consuming and laborious, often cannot reach the expected result, and in the emergency, the manpower opening and closing mode often cannot quickly and accurately reach the final goal. UTILITY MODEL CONTENTS

[0003] (I) technical problem to be solved

[0004] The utility model provides a portable valve hand wheel pneumatic rotating device to solve how to realize convenient to carry, the technical problem of simple and safe valve opening and closing operation.

[0005] (II) technical scheme

[0006] In order to solve the above technical problem, the utility model provides a portable valve hand wheel pneumatic rotating device, the portable valve hand wheel pneumatic rotating device includes a front valve card and a pneumatic motor, wherein,

[0007] The pneumatic motor includes a cylinder body, a cylinder cover, a tail plug, a first air inlet, a second air inlet, a shaft rod and an outer cylinder, wherein a central shaft is arranged in the cylinder body, a blade is installed on the central shaft, the bottom of the cylinder body is fixedly connected with the cylinder cover, the bottom of the cylinder cover is installed with the tail plug, and the tail plug is used to support the bottom end of the central shaft, the sidewall of the cylinder body is installed with the first air inlet and the second air inlet, according to the need of valve opening and closing, the first air inlet and the second air inlet are used as the air inlet or the air outlet to change the rotating direction of the blade, the top end of the central shaft is connected with the shaft rod, and the outer wall of the shaft rod is fixedly connected with the outer cylinder with a hollow structure;

[0008] The front valve card includes a valve card, a screw buckle, a support shaft, a valve rod sleeve and a valve card base, wherein the lower surface of the valve card base is fixedly connected to the top end of the outer cylinder, the upper surface of the valve card base is fixedly connected with the valve rod sleeve, the valve rod sleeve, the valve card base and the outer cylinder have a through central hole for accommodating the target valve rod, a plurality of support shafts are evenly arranged around the valve rod sleeve on the upper surface of the valve card base, each support shaft is installed with the valve card at the top through the screw buckle, the valve card is used to be connected with the rotating handle of the target hand wheel, when the central shaft in the cylinder body rotates with the blade, the valve card can be driven to rotate with the valve card base through the shaft rod, thereby rotating the target hand wheel, and the target valve rod located at the center position of the target hand wheel enters or moves out of the valve rod sleeve and the outer cylinder.

[0009] Further, four blades are installed on the central shaft, and the length of two opposite blades is greater than that of the other two blades.

[0010] Further, the valve card has a U-shaped opening structure, and the orientation of the U-shaped opening of the valve card can be changed by rotating the supporting shaft, so that the target hand wheel can be rotated in two directions.

[0011] Further, the portable valve hand wheel pneumatic rotating device further comprises a hand holding mechanism, and the hand holding mechanism comprises a handle, a handle fixing block and a screw.

[0012] (Three) beneficial effects

[0013] The utility model provides a portable valve hand wheel pneumatic rotating device, including pneumatic motor and preposition valve card, pneumatic motor includes cylinder body, cylinder cover, tail plug, first air vent, second air vent, axle core rod and outer tube, and preposition valve card includes valve card, screw buckle, supporting shaft, valve rod sleeve and valve card base, when the compressed air is input by first air vent, compressed air acts on the blade in cylinder body, and the central shaft rotates clockwise under the action of the torque difference generated on the corresponding blade, and the gas after work is discharged through second air vent. When the compressed air is input by the second air vent, the central shaft realizes reverse rotation. When the central shaft rotates, the rotation of the preposition valve card is driven to rotate the target hand wheel, so that the purpose of opening and closing the valve is realized. The device has the characteristics of convenient carrying, simple operation of opening and closing the valve and high safety, and the use of the device can reduce the damage of manual rotation to the valve body and ensure the service life of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the use principle and three-dimensional structure schematic view of the portable valve hand wheel pneumatic rotating device of the utility model;

[0015] Fig. 2 It is the use principle and structure front view of the portable valve hand wheel pneumatic rotating device of the utility model;

[0016] Fig. 3 It is the use principle and structure side view of the portable valve hand wheel pneumatic rotating device of the utility model;

[0017] Fig. 4 It is the use principle and structure top view of the portable valve hand wheel pneumatic rotating device of the utility model.

[0018] In the figure, 1-valve card; 2-screw buckle; 3-supporting shaft; 4-valve rod sleeve; 5-valve card base; 6-handle; 7-handle fixing block; 8-screw; 9-cylinder body; 10-cylinder cover; 11-tail plug; 12-first air vent; 13-second air vent; 14-axis rod; 15-outer cylinder; 16-target valve rod; 17-target hand wheel. DETAILED DESCRIPTION

[0019] In order to make the purpose, content and advantages of the utility model more clearly, the specific implementation of the utility model is described in further detail below in combination with the drawings and examples.

[0020] The embodiment proposes a portable valve hand wheel pneumatic rotating device, the overall structure and use principle of which are shown in the figure, mainly including a pneumatic motor, a front valve card and a handheld mechanism. Figs. 1-4

[0021] The four-leaf pneumatic motor includes a cylinder body 9, a cylinder cover 10, a tail plug 11, a first air vent 12, a second air vent 13, an axis rod 14 and an outer cylinder 15. Among them, the center shaft is arranged in the cylinder body 9, four blades are installed on the center shaft, the length of two opposite blades among the four blades is greater than the length of the other two blades, the bottom of the cylinder body 9 is fixedly connected with the cylinder cover 10, the bottom of the cylinder cover 10 is installed with the tail plug 11, and the tail plug 11 is used for supporting the bottom end of the center shaft. The sidewall of the cylinder body 9 is installed with the first air vent 12 and the second air vent 13, according to the need of valve opening and closing, the first air vent 12 and the second air vent 13 can be used as the air inlet or the air outlet, so as to change the rotating direction of the blade. The top end of the center shaft is connected with the axis rod 14, and the outer wall of the axis rod 14 is welded with the outer cylinder 15 with a hollow structure.

[0022] The front valve card includes a valve card 1, a screw buckle 2, a supporting shaft 3, a valve rod sleeve 4 and a valve card base 5. Among them, the lower surface of the valve card base 5 is welded at the top end of the outer cylinder 15, the upper surface of the valve card base 5 is welded with the valve rod sleeve 4, the valve rod sleeve 4, the valve card base 5 and the outer cylinder 15 have a through center hole for accommodating the target valve rod 16. On the upper surface of the valve card base 5, three supporting shafts 3 are uniformly arranged around the valve rod sleeve 4, the top of each supporting shaft 3 is installed with the valve card 1 through the screw buckle 2, the valve card 1 is used for being connected with the rotating handle of the target hand wheel 17, when the center shaft in the cylinder body 9 rotates with the blade, the valve card 1 can be driven to rotate together with the valve card base 5 through the axis rod 14, so as to rotate the target hand wheel 17, and make the target valve rod 16 located at the center position of the target hand wheel 17 enter or move out of the valve rod sleeve 4 and the outer cylinder 15. In the embodiment, the valve card 1 has a U-shaped opening structure, the U-shaped opening direction of the valve card 1 can be changed through the rotation of the supporting shaft 3, so as to realize the bidirectional rotation of the target hand wheel 17.

[0023] ​The hand-held mechanism comprises a handle 6, a handle fixing block 7 and a screw 8.

[0024] When the portable valve hand wheel pneumatic rotating device of the utility model is used, power is needed to be inputted by air source, when compressed air is inputted by the first air inlet 12, the compressed air acts on the four blades in the cylinder body 9, two adjacent blades produce opposite direction torque, because the extension degree of one blade is longer than the other adjacent blade, the acting area is large, the produced torque is larger than the torque produced by the other blade, therefore the central shaft rotates in clockwise direction under the torque difference produced by the corresponding blades, the worked air is discharged through the second air inlet 13.

[0025] The portable valve hand wheel pneumatic rotating device of the utility model can be set in multiple specifications to adapt to various valve hand wheels.

[0026] The above is only the preferred embodiment of the utility model, it should be pointed out that for ordinary skilled person in the art, on the premise of not departing from the technical principle of the utility model, a number of improvements and deformations can be made, these improvements and deformations also should be regarded as the protection scope of the utility model.

Claims

1. A portable valve wheel pneumatic rotating device, characterized by, The portable valve hand wheel pneumatic rotating device comprises a pneumatic motor and a front valve card; wherein, The pneumatic motor comprises a cylinder body, a cylinder cover, a tail plug, a first air inlet, a second air inlet, a shaft rod and an outer cylinder; wherein, a central shaft is arranged in the cylinder body, a vane is installed on the central shaft, the bottom of the cylinder body is fixedly connected with the cylinder cover, the bottom of the cylinder cover is installed with the tail plug, the tail plug is used for supporting the bottom end of the central shaft; the sidewall of the cylinder body is installed with the first air inlet and the second air inlet, according to the need of opening and closing of the valve, the first air inlet and the second air inlet are used as the air inlet or the air outlet to change the rotating direction of the vane; the top end of the central shaft is connected with the shaft rod, the outer wall of the shaft rod is fixedly connected with the outer cylinder with a hollow structure; The front valve card comprises a valve card, a screw buckle, a support shaft, a valve rod sleeve and a valve card base; wherein, the lower surface of the valve card base is fixedly connected with the top end of the outer cylinder, the upper surface of the valve card base is fixedly connected with the valve rod sleeve, the valve rod sleeve, the valve card base and the outer cylinder have a through central hole for accommodating the entering of the target valve rod; on the upper surface of the valve card base, a plurality of support shafts are uniformly arranged around the valve rod sleeve, each support shaft is installed with the valve card at the top through the screw buckle, the valve card is used for being connected with the rotating handle of the target hand wheel, when the central shaft in the cylinder body rotates with the vane, the valve card can be driven to rotate together with the valve card base through the shaft rod, thereby rotating the target hand wheel, and the target valve rod located at the center position of the target hand wheel enters or moves out of the valve rod sleeve and the outer cylinder.

2. The portable valve wheel pneumatic rotating device of claim 1, wherein, Four vanes are installed on the central shaft, the length of two oppositely arranged vanes is greater than that of the other two vanes.

3. The portable valve wheel pneumatic rotating device of claim 1, wherein, The valve card has a U-shaped opening structure, the orientation of the U-shaped opening of the valve card can be changed through the rotation of the support shaft, so as to realize the bidirectional rotation of the target hand wheel.

4. The portable valve wheel pneumatic rotating device of claim 1, wherein, The portable valve hand wheel pneumatic rotating device further comprises a handheld mechanism, the handheld mechanism comprises a handle, a handle fixing block and a screw; wherein, the handle fixing block is installed on the side of the cylinder body, and the handle is fixed on the handle fixing block through the screw.

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