CN219152719U

CN219152719U - Auxiliary tool for opening and closing valve

Info

Publication number: CN219152719U
Application number: CN202320120293.1U
Authority: CN
Inventors: 李飞龙; 程艳; 任雪锋; 李双乾; 马艳华
Original assignee: Central Plains Environmental Protection Co ltd
Current assignee: Central Plains Environmental Protection Co ltd
Priority date: 2023-01-30
Filing date: 2023-01-30
Publication date: 2023-06-09
Anticipated expiration: 2033-01-30

Abstract

The utility model relates to an auxiliary tool for opening and closing a valve, which comprises a main body, a transmission shaft, a bevel gear, a connecting sleeve and a claw, wherein the main body is provided with a connecting sleeve; the transmission shaft is rotatably arranged in the main body, one end of the transmission shaft is provided with a first rotation stopping head connected with the electric wrench, and the other end of the transmission shaft is provided with a bevel gear head meshed with the bevel gear; the bevel gear is rotatably arranged in the main body, and the lower end of the bevel gear is in rotation stopping clamping connection with the upper end of the connecting sleeve; the transmission shaft is vertically arranged with the connecting sleeve; the jack catch sets up in the lower extreme of adapter sleeve. In the utility model, an electric wrench is adopted to drive a transmission shaft to rotate, and a claw is driven to rotate under the action of a bevel gear head and a bevel gear, and the number of teeth of the bevel gear head is smaller than that of the bevel gear; the rotating speed of the electric wrench can be reduced in the transmission process, so that the hand wheel is rotated in a speed-reducing and torque-increasing manner, the problem that the valve screw threads are damaged due to the excessively high rotating speed is avoided, the labor is not required to be consumed, and the time and the labor are saved; meanwhile, the problem of high maintenance cost of the electric valve and the later maintenance cost is not required to be considered.

Description

Auxiliary tool for opening and closing valve

Technical Field

The utility model relates to the technical field of valve opening and closing tools, in particular to an auxiliary tool for opening and closing a valve.

Background

The knife gate valve is a common valve in industry and is commonly used for blocking fluids such as waste water, slurry, slag slurry and the like; the upper end of the knife gate valve is provided with a hand wheel, the lower part of the knife gate valve is provided with a valve body and a flashboard, and the knife gate valve can be opened and closed by rotating the hand wheel positioned above the knife gate valve.

In the sewage treatment industry, the application of the knife gate valve is particularly wide, waste water or slurry always flows in a pipeline controlled by the knife gate valve, no matter when the knife gate valve is started or closed, the rotation of a hand wheel is quite forceful under the action of the internal pressure of the pipeline, in addition, the knife gate valve is generally arranged in a machine room, and also is partially arranged in a valve well, when a worker opens and closes the knife gate valve each time, the hand wheel is usually clamped and rotated by a spanner with an F-shaped structure, the spanner is often provided with a longer power-like arm, the use process is quite inconvenient, the complete opening and closing process can be realized due to the fact that the environment near the hand wheel is limited by multiple times of clamping and micro rotation, and the labor is still required to be consumed; if the electric valve is adopted, the manpower can be saved, but the cost is high, the failure rate is high under the influence of environmental factors, the later maintenance cost is relatively high, and the method is not economical.

Disclosure of Invention

The utility model aims to provide an auxiliary tool for opening and closing a valve, which solves the problems of time and labor waste and inconvenience in the opening and closing process of a knife gate valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an auxiliary tool for opening and closing a valve comprises a main body, a transmission shaft, a bevel gear, a connecting sleeve and a claw;

the transmission shaft is rotatably arranged in the main body, one end of the transmission shaft is provided with a first rotation stopping head connected with the electric wrench, and the other end of the transmission shaft is provided with a bevel gear head meshed with the bevel gear;

the number of teeth of the bevel gear head is smaller than that of the bevel gear;

the bevel gear is rotatably arranged in the main body, and the lower end of the bevel gear is in rotation stopping clamping connection with the upper end of the connecting sleeve; the transmission shaft is vertically arranged with the connecting sleeve;

the claw is arranged at the lower end of the connecting sleeve.

Further, the main body comprises a connecting seat and a rotating cavity; the bevel gear is rotatably arranged in the connecting seat through a bearing, and the transmission shaft is rotatably arranged in the rotating cavity through a bearing.

Further, the auxiliary tool further comprises a sealing cover; the sealing cover is arranged at the position where the bevel gear is meshed with the bevel gear head through a screw.

Further, the upper end of the connecting sleeve is sleeved with a rotating bearing;

the auxiliary tool further comprises a fixed ring for tightening the sealing cover and the rotating bearing; the fixing ring comprises a first clamping ring, a second clamping ring, a connecting handle and a bolt;

one end of each of the first clamping ring and the second clamping ring is arranged on the connecting handle, the other ends of the first clamping ring and the second clamping ring are connected with each other, and a stop clamping hole is formed in the connecting position in a bending and bending mode;

the bolt penetrates through the connecting handle, and the lower end of the bolt is provided with a connector which is mutually clamped with the stop clamping hole; the diameter of the connector is smaller than that of the bolt;

the first clamping ring and the second clamping ring are in concentric mirror symmetry.

Further, the lower extreme of bevel gear is equipped with the second and ends the round head, the connecting sleeve includes the connecting block, the connecting block sets up the upper end of connecting sleeve, be equipped with on the connecting block with the second ends round head complex and ends round hole.

Further, the second rotation stopping head is of a quadrangular prism-shaped structure, and the rotation stopping holes are of square hole-shaped structures.

Further, the first clamping ring is matched with the outer side of the sealing cover and the outer ring of the rotating bearing; the second clamping ring is matched with the outer side of the sealing cover and the outer ring of the rotating bearing.

The utility model has the beneficial effects that:

in the utility model, an electric wrench is adopted to drive a transmission shaft to rotate, and a claw is driven to rotate under the action of a bevel gear head and a bevel gear, and the number of teeth of the bevel gear head is smaller than that of the bevel gear; the rotating speed of the electric wrench can be reduced in the transmission process, so that the hand wheel is rotated in a speed-reducing and torque-increasing manner, the problem that the valve screw threads are damaged due to the excessively high rotating speed is avoided, the labor is not required to be consumed, and the time and the labor are saved; meanwhile, the problem of high maintenance cost of the electric valve and the later maintenance cost is not required to be considered.

Drawings

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

FIG. 2 is a schematic view (exploded view) of the overall structure of the utility model;

FIG. 3 is a schematic view of the structure of the fixing ring in the utility model.

Name corresponding to each label in the figure:

1. the main body comprises a main body, 10, a rotating cavity, 11, a sealing cover, 2, a transmission shaft, 20, a bevel gear head, 21, a first rotation stopping head, 3, a bevel gear, 30, a connecting column, 31, a second rotation stopping head, 4, a connecting sleeve, 40, a rotating bearing, 41, a connecting block, 42, a rotation stopping hole, 5, a fixed ring, 50, a first clamping ring, 51, a second clamping ring, 52, a bolt, 520, a connecting head, 53, a connecting handle, 54, a gasket, 55, a stop clamping hole, 6 and a clamping jaw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

Embodiments of the utility model:

as shown in fig. 1 to 3, an auxiliary tool for opening and closing a valve includes a main body 1, a transmission shaft 2, a bevel gear 3, a connection sleeve 4, a fixing ring 5, and a claw 6.

The main part 1 includes connecting seat and rotates chamber 10, and the connecting seat is annular structure, and similar with the bearing frame structure, rotates chamber 10 and is columnar structure, rotates the inside that chamber 10 is located main part 1, rotates the chamber 10 level setting, rotates the axis mutually perpendicular of chamber 10 and connecting seat.

The setting connection seat is provided at the left end of the rotation chamber 10. The transmission shaft 2 is rotatably arranged in the rotation cavity 10 through a bearing, the left end of the transmission shaft 2 is provided with a bevel gear head 20, the right end of the transmission shaft 2 is provided with a first rotation stopping head 21 which is mutually clamped with the electric wrench, and in the embodiment, the first rotation stopping head 21 is of a hexagonal prism structure; the bevel gear 3 is rotatably arranged in the connecting seat through a bearing, the upper side surface of the bevel gear 3 is provided with bevel teeth, the left end of the bevel gear head 20 is also provided with bevel teeth, the bevel teeth head 20 and the bevel gear 3 are matched with each other in a meshing manner, and the bevel gear head 20 and the bevel gear 3 after meshing can realize mutual transmission, namely, when the left end of the transmission shaft 2 is rotated, the bevel gear 3 can correspondingly rotate in a horizontal plane.

In this embodiment, the number of teeth on the bevel gear head 20 is smaller than the number of teeth on the bevel gear 3, so as to reduce the rotation speed of the rotating wrench, but ensure enough torque force to rotate the bevel gear 3, and avoid the phenomenon that the screw threads of the hand knife gate valve are damaged due to excessive rotation speed, wherein the number of teeth on the bevel gear 3 is three times the number of teeth on the bevel gear head 20.

The bevel gear 3 comprises a connecting post 30 with the lower end protruding downwards, and the connecting post 30 is in interference fit with the inner ring of the bearing in the connecting seat.

The connecting sleeve 4 comprises a connecting block 41, the connecting block 41 and the connecting sleeve 4 are integrally arranged, a rotation stopping hole 42 is formed in the connecting block 41, a second rotation stopping head 31 is arranged on a connecting column 30 at the lower end of the bevel gear 3, the second rotation stopping head 31 is in rotation stopping fit with the rotation stopping hole 42, in the embodiment, the second rotation stopping head 31 is of a quadrangular prism-shaped structure, and the rotation stopping hole 42 is a square hole.

The lower end of the connecting sleeve 4 is provided with a claw 6 for clamping the hand wheel, in this embodiment, the claw 6 is a columnar hollow structure with a sealed upper part and an open lower part, wherein five openings are circumferentially arranged on the columnar wall, so as to form the claw 6. The installed connecting sleeve 4 is perpendicular to the rotating cavity 10.

In order to ensure the conventional stability between the bevel gear 3 and the bevel gear head 20, a sealing cover 11 is correspondingly arranged at the position, the sealing cover 11 is arranged on the main body 1 through a screw, and the sealing cover 11 just seals the meshing position of the bevel gear 3 and the bevel gear head 20.

As shown in fig. 2 and 3, in order to ensure the connection firmness between the connecting sleeve 4 and the bevel gear 3, a rotating bearing 40 is sleeved at the upper end of the connecting sleeve 4 in an interference manner, a fixed ring 5 tightly fastens the rotating bearing 40 and a sealing cover 11 together, specifically, the fixed ring 5 comprises a first clamping ring 50, a second clamping ring 51, a connecting handle 53 and a bolt 52, the first clamping ring 50 is of an annular structure and is not completely closed, and the first clamping ring 50 and the second clamping ring 51 are of the same structure and are arranged in a concentric mirror image; one end of the first snap ring 50, which is located relatively above, is hung at one end of the connecting handle 53, the corresponding end of the second snap ring 51 is hung at the other end of the connecting handle 53, one end of the first snap ring 50, which is located relatively below, is connected with one end of the second snap ring 51, which is located relatively below, and a stop clamping hole 55 is formed in the connecting position in a completely-bending mode; in the present embodiment, the first snap ring 50 and the second snap ring 51 are integrally formed by steel wire bending; the bolt 52 runs through and establishes on the connecting handle 53 soon, and the lower extreme of bolt 52 is equipped with connector 520, and connector 520 is columnar structure, and the diameter of connector 520 is less than the diameter of bolt 52, and connector 520 joint sets up in stopping joint hole 55, in order to guarantee the fastness of joint, and the cover is equipped with the gasket 54 on the connector 520, and the gasket 54 is located stopping between joint hole 55 and the bolt 52, and it should be noted that stopping joint hole 55 and connector 520's joint does not influence the normal rotation of bolt 52.

The bolt 52 is screwed with the connecting handle 53 to be matched, when the first clamping ring 50 and the second clamping ring 51 are tightened, the bolt 52 is screwed to enable the connecting handle 53 to be close to the stopping clamping hole 55, and when the connecting handle is removed, the bolt 52 is reversely screwed to enable the connecting handle 53 to be far away from the stopping clamping hole 55, so that the connecting handle is contacted and hooped. In order to further secure the stability of the tightening, a tie is additionally provided between the first snap ring 50 and the second snap ring 51, the tie being used to tighten the position between the first snap ring 50 and the second snap ring 51.

When the first snap ring 50 and the second snap ring 51 are engaged with each other, the outer side of the seal cover 11 and the outer ring of the rolling bearing 40 are brought into contact with each other, respectively, so that the unexpected falling-off of both in the vertical direction is restricted.

It should be noted that the technical solution is not only applicable to knife gate valves, but also to valves that require hand wheel operation or that can be clamped by means of the clamping jaws 6.

Working principle:

firstly, the claw 6 is correspondingly clamped on the hand wheel, then the first rotation stopping head 21 on the transmission shaft 2 is connected with a hexagonal transmission hole on the electric wrench, an operator holds the electric wrench by hand, the position of the rotating cavity 10 in the main body 1 is held by hand, the valve can be opened and closed by the way of speed reduction and torque increase through the transmission action of the bevel gear 3 and the bevel gear head 20, the length of the main body 1 takes the hand convenience as a benchmark, and a longer similar power arm is not needed, so that the problem of environmental influence is avoided, the problem of high cost of the electric valve and the maintenance process is not needed to be considered, and the valve is time-saving, labor-saving and quite convenient.

Claims

1. An appurtenance for valve opening and close, its characterized in that: comprises a main body, a transmission shaft, a bevel gear, a connecting sleeve and a claw;

the claw is arranged at the lower end of the connecting sleeve.

2. An auxiliary tool for opening and closing a valve according to claim 1, wherein: the main body comprises a connecting seat and a rotating cavity; the bevel gear is rotatably arranged in the connecting seat through a bearing, and the transmission shaft is rotatably arranged in the rotating cavity through a bearing.

3. An auxiliary tool for opening and closing a valve according to claim 1, wherein: the auxiliary tool also comprises a sealing cover; the sealing cover is arranged at the position where the bevel gear is meshed with the bevel gear head through a screw.

4. An auxiliary tool for opening and closing a valve according to claim 3, wherein: the upper end of the connecting sleeve is sleeved with a rotating bearing;

5. An auxiliary tool for opening and closing a valve according to claim 1, wherein: the lower extreme of bevel gear is equipped with the second and ends the round head, the connecting sleeve includes the connecting block, the connecting block sets up the upper end of connecting sleeve, be equipped with on the connecting block with the second ends round head complex and ends round hole.

6. An auxiliary tool for opening and closing a valve according to claim 5, wherein: the second rotation stopping head is of a quadrangular prism-shaped structure, and the rotation stopping holes are of square hole-shaped structures.

7. An auxiliary tool for opening and closing a valve according to claim 4, wherein: the first clamping ring is matched with the outer side of the sealing cover and the outer ring of the rotating bearing; the second clamping ring is matched with the outer side of the sealing cover and the outer ring of the rotating bearing.