CN219432599U - Improved valve opening and closing device - Google Patents

Abstract

The utility model discloses an improved valve opening and closing device which comprises a clamping connector clamped with a valve hand wheel, wherein the clamping connector comprises an abutting force arm and a tension force arm, a stress application rod is arranged at the joint of the abutting force arm and the tail part of the tension force arm, a through hole is formed in the rod body of the stress application rod, an extension rod is detachably connected to the tail part of the stress application rod, the clamping connector and the hand wheel are prevented from slipping, the stability in use is ensured, and the valve opening and closing can be controlled better and more labor-saving.

Description

Improved valve opening and closing device

Technical Field

The utility model relates to the technical field of valve opening and closing auxiliary tools, in particular to an improved and labor-saving valve opening and closing device.

Background

The valve is used as important equipment for system isolation, plays a vital role in safe and normal operation of the system, whether the valve can be normally opened or closed directly relates to safe operation of the system, and along with rapid development of the valve industry, the diameter of a current domestic and foreign pipeline is larger and larger, so that the caliber of the valve is gradually increased, the opening and closing moment of the valve is increased accordingly, the limitation of on-site overhaul space is considered, the hand wheel of the valve cannot be designed to be too large, and thus a valve operator is difficult to independently complete when opening and closing the valve, and timely operation of the system is directly influenced.

The existing F-shaped auxiliary tool is easy to disengage when in use, and is inconvenient to use, so that an improved labor-saving auxiliary valve opening and closing tool is required to be designed and manufactured according to the structural characteristics of a valve hand wheel.

Disclosure of Invention

The utility model aims to overcome the defect that in the prior art, a hand wheel rotates more laboriously in the opening and closing process of a valve, and provides an improved valve opening and closing device.

The utility model is realized by the following technical scheme: the utility model provides an improved generation valve headstock gear, includes the joint with valve hand wheel joint, the joint includes butt arm of force and tensile arm of force, the afterbody connection and the junction of butt arm of force and tensile arm of force are provided with the afterbody pole, be provided with the through-hole on the pole body of afterbody pole, the afterbody of afterbody pole can be dismantled and be connected with the extension rod.

Further, the abutting force arms and the tension force arms are distributed in a U shape, and the length of the abutting force arms is smaller than that of the tension force arms.

Further, the top of butt arm of force is provided with Y type head, the top of tensile arm of force is provided with the elbow of hand wheel joint.

Further, the plane of the Y-shaped head is parallel to the plane of the elbow.

Further, the through hole is arranged at one end of the tail part of the stressing rod, and threads are arranged in the through hole.

Further, the tail of the stress application rod is hollow, and threads are arranged in the tail of the stress application rod and are bolted with the extension rod.

Further, the tail of the extension rod is provided with a hexagonal prism, a handle is sleeved on the hexagonal prism, and the handle is in compression joint with the hexagonal prism through a bolt.

The utility model has the beneficial effects that: the connection of the tail of butt arm and tensile arm and junction are provided with the afterbody pole, the length of butt arm is less than the length of tensile arm, the top of butt arm is provided with Y type head, the top of tensile arm is provided with the elbow of hand wheel joint, the plane that Y type head is located is parallel with the plane at elbow place, the outside butt of Y type head and hand wheel when needs use, Y type head joint prevents when rotating joint suddenly and breaks away from, guarantee result of use, the elbow joint is in the inboard of hand wheel, the hand wheel is circular mostly, the length of butt arm is less than the length of tensile arm can make the extension line of afterburning pole and the centre of a circle of hand wheel crossing when using for the length of afterburning pole can better utilization, can also prevent joint and hand wheel from skidding, stability when guaranteeing the use, control valve that can be better.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of another overall structure of the present utility model;

FIG. 3 is a schematic diagram of an exploded construction of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of the present utility model at A;

wherein: 1. a stress application rod; 101. abutting the force arm; 102. a tension arm; 2. a through hole; 3. an extension rod; 301. a hexagonal prism; 4. a handle; 401. and (5) a bolt.

Detailed Description

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1-4: an improved valve opening and closing device comprises a clamping connector which is clamped with a valve hand wheel, wherein the clamping connector is clamped with the hand wheel, the length of a force arm when the hand wheel is rotated is prolonged, and the purpose of labor-saving rotation of the valve hand wheel is achieved through a lever principle. The clamping connector comprises an abutting force arm 101 and a tension force arm 102, the abutting force arm 101 is connected with the tail of the tension force arm 102, a stress application rod 1 is arranged at the joint, the abutting force arm 101 and the tension force arm 102 are distributed in a U-shaped mode, the length of the abutting force arm 101 is smaller than that of the tension force arm 102, a Y-shaped head is arranged at the top of the abutting force arm 101, an elbow of the hand wheel clamping connection is arranged at the top of the tension force arm 102, the plane of the Y-shaped head is parallel to the plane of the elbow, the Y-shaped head is abutted to the outer side of the hand wheel when the clamping connector is required to be used, the clamping connector is prevented from being suddenly disconnected when the clamping connector is required to be used, the use effect is ensured, the elbow is clamped to the inner side of the hand wheel, at this moment, the hand wheel can rotate more labor-effectively than the hand wheel which directly rotates the valve, the length of the abutting force arm 101 is smaller than that of the tension force arm 102, the extension line of the stress application rod 1 is intersected with the center of the hand wheel when the hand wheel is used, the length of the stress application rod 1 can be better utilized, the clamping connector and the hand wheel is ensured to be more stable, and the valve can be opened and closed when the valve is ensured to be controlled.

Be provided with the through-hole 2 on the shaft of afterburning pole 1, the one end at the nearly afterbody of afterburning pole 1 is set up to the through-hole 2, and the inside of through-hole 2 is provided with the screw thread, in the comparatively narrow and small space of operating space, can not hold extension rod 3 at this moment use crow bar or connecting rod grafting or spin to inside the through-hole 2 for the vertical extension of afterburning pole 1 makes progress, makes the crossing exclusive use afterburning pole 1 extension of arm of force after the extension, and the rotation hand wheel that can be comparatively laborsaving, the opening and close of control valve that can be better.

The afterbody of afterbody that afterbody was used for the afterbody of afterbody pole 1 can be dismantled and be connected with extension pole 3, afterbody cavity and inside that is provided with screw thread and extension pole 3 bolt, hollow position passes through hole 2, guarantee the structural strength of junction when using, extension pole 3 extension afterbody pole 1's length, can select extension pole 3 of different length according to the valve atress degree so that the valve is more laborsaving when opening and close, afterbody at extension pole 3 is provided with hexagonal prism 301, cup joint handle 4 on hexagonal prism 301, handle 4 is through bolt 401 and hexagonal prism 301 crimping, hexagonal prism 301 and handle 4 joint, handle 4 increases the stress point when using, make can many people operate, hexagonal prism 301 and handle 4 can be in a plurality of direction joint keep stable, the fastness when bolt 401 guarantees the junction, can use the pulling force calabash to connect the junction of handle 4 and extension pole 3, the multidirectional connection operation of being convenient for realizes comparatively laborsaving control valve to open and close.

Working principle: when the Y-shaped head is clamped at the outer side of the hand wheel in use, the elbow is clamped at the inner side of the hand wheel, the clamping joint is clamped with the hand wheel, the change of the length of the force arm is realized through the extension rod and the extension rod, and the opening and closing of the control valve with relatively labor saving is realized by utilizing the lever principle.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims (7)

1. An improved generation valve headstock gear, includes the joint with valve hand wheel joint, its characterized in that: the clamping connector comprises an abutting force arm and a tension force arm, wherein the abutting force arm is connected with the tail of the tension force arm, a stress application rod is arranged at the joint of the abutting force arm and the tail of the tension force arm, a through hole is formed in the rod body of the stress application rod, and an extension rod is detachably connected with the tail of the stress application rod.

2. The improved valve opening and closing device of claim 1, wherein: the abutting force arm and the tension force arm are distributed in a U shape, and the length of the abutting force arm is smaller than that of the tension force arm.

3. The improved valve opening and closing device of claim 1, wherein: the top of butt arm of force is provided with Y type head, the top of tensile arm of force is provided with the elbow of hand wheel joint.

4. An improved valve opening and closing device as claimed in claim 3, wherein: the plane of the Y-shaped head is parallel to the plane of the elbow.

5. The improved valve opening and closing device of claim 1, wherein: the through hole is arranged at one end of the near tail part of the stress application rod, and threads are arranged in the through hole.

6. The improved valve opening and closing device of claim 1, wherein: the tail of the stress application rod is hollow, and threads and an extension rod bolt are arranged in the tail of the stress application rod.

7. The improved valve opening and closing device of claim 1, wherein: the tail of the extension rod is provided with a hexagonal prism, a handle is sleeved on the hexagonal prism, and the handle is in compression joint with the hexagonal prism through a bolt.