CN211145519U

CN211145519U - Motor wire sealing plug pressing structure of gas meter ball valve

Info

Publication number: CN211145519U
Application number: CN201921942611.2U
Authority: CN
Inventors: 阮迪荣; 阮泽凯
Original assignee: Cixi City Kaidi Electronic Co ltd
Current assignee: Cixi City Kaidi Electronic Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-31
Anticipated expiration: 2029-11-12

Abstract

The utility model relates to the technical field of ball valve assembly, and discloses a motor wire sealing plug pressing structure of a gas meter ball valve, the ball valve comprises a gear box and a valve body, a motor bin is arranged on one side of the gear box, a mounting hole for mounting a cylindrical sealing plug is arranged on the top wall of the motor bin, the sealing plug is provided with a wire hole penetrating through a motor wire, the upper edge of the mounting hole extends inwards along two sides to form an inner blocking eave, the side wall of the valve body is provided with a pressure foot, and the front end of the pressure foot is inserted into the mounting hole; the pressure foot is composed of two half pieces, each half piece comprises a base connected with the side wall of the valve body and an arc-shaped movable part connected with the base, the lower edge of the movable part extends outwards along the end face to form an outer edge, the outer edge is positioned below the inner blocking brim, and the bottom surface of the outer edge abuts against the end face of the sealing plug. The structure enables the upper end face of the sealing plug to be extruded by the presser foot, the gap between the mounting hole and the sealing plug is firmly sealed, the sealing plug is prevented from loosening, and the sealing effect is improved.

Description

Motor wire sealing plug pressing structure of gas meter ball valve

Technical Field

The utility model relates to a ball valve assembly technical field especially relates to a structure is pressed to motor wire sealing plug of gas table ball valve.

Background

The ball valve is a valve in which an opening and closing part (a ball body) is driven by a valve rod and rotates around the axis of the ball valve, and is used for regulating and controlling fluid. The ball valve can be closed tightly only by rotating 90 degrees and a small rotating force. The ball valve of the gas meter controls the flow of natural gas, so the sealing performance of the ball valve is very important. The traditional sealing plug with glue or with the band hole in the gas meter ball valve motor outlet, and the sealing plug up end does not have fastening or press device usually, and the in-process that the motor wire was worn out can drive the sealing plug for the sealing plug is not hard up, and the sealing effect of sealing plug and outlet lateral wall clearance is not good, and natural gas etc. can get into the ball valve in, devices such as corruption gear reduce its life.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve ball valve seal up end and lack fastening or press device, lead to the not good technical problem of ball valve seal effect.

In order to solve the technical problems, the technical scheme is as follows:

the utility model provides a structure is pressed to motor wire sealing plug of gas table ball valve, the ball valve includes gear box and the valve body of being connected with the gear box, gear box one side has the motor storehouse, motor storehouse roof is equipped with the mounting hole that is used for installing cylindric sealing plug, the sealing plug has the line hole that runs through the motor wire, its characterized in that: the upper edge of the mounting hole extends inwards to form an inner blocking eave, the side wall of the valve body is provided with a pressure foot, and the front end of the pressure foot is inserted into the mounting hole; the pressure foot is composed of two half pieces, each half piece comprises a base connected with the side wall of the valve body and an arc-shaped movable part connected with the base, the lower edge of the movable part extends outwards along the end face to form an outer edge, the outer edge is positioned below the inner blocking brim, and the bottom surface of the outer edge abuts against the end face of the sealing plug.

Due to the fact that the press foot is arranged on the side wall of the valve body, the inner blocking eaves are matched with the outer edge, the upper end face of the sealing plug is firmly pressed by the bottom face of the outer edge of the press foot, the sealing plug is effectively prevented from loosening, and the gap between the mounting hole and the sealing plug is better sealed. Moreover, due to the fact that the inner blocking eaves exist on the upper edge of the mounting hole, the situation that the sealing plug can be taken out of the mounting hole when the motor lead penetrates out of the sealing plug can be avoided.

In order to prevent the pressure foot from excessively squeezing the sealing plug, the sealing plug can fall into the valve body from the lower part of the mounting hole, a further improvement is made, the sealing plug is provided with an upper cylinder, the two movable parts form a clamping part, the clamping part is provided with a clamping hole, and the clamping part clamps the upper cylinder, namely the upper cylinder is positioned in the clamping hole.

As a further improvement of the utility model, the ends of the two movable parts extend inwards to form a gap, and the inner side walls of the two base parts form a positioning through hole. The side wall of the mounting hole is provided with a positioning pin, open grooves are formed in two sides of the positioning pin, the positioning pin is inserted into the positioning through hole, the two base parts are located in the open grooves, and the positioning pin abuts against the gap to limit horizontal movement of the presser foot.

The presser foot front end inserts in the mounting hole, owing to there is the locating pin, on the one hand easy to assemble, on the other hand locating pin and the cooperation in gap further restrict the horizontal migration of presser foot, specifically speaking, thereby the unable horizontal migration of presser foot withdraws from in the mounting hole backward. The stability of the connection of the presser foot and the mounting hole is improved.

Compared with the prior art, the utility model discloses following beneficial effect has: the upper end face of the sealing plug is extruded by the presser foot, so that the gap between the mounting hole and the sealing plug is firmly sealed, the sealing plug is prevented from loosening, and the sealing effect is improved.

Drawings

Fig. 1 is a top view of the connection between the valve body and the gear box of the present invention.

FIG. 2 is a top view of the gearbox.

Fig. 3 is an enlarged view at a in fig. 2.

FIG. 4 is an isometric view of a gearbox.

Fig. 5 is an enlarged view at B in fig. 4.

Fig. 6 is a schematic structural view of the valve body.

Fig. 7 is an enlarged view at C in fig. 6.

Fig. 8 is a schematic view of the sealing plug.

In the figure: the gear box comprises a gear box 1, a valve body 2, a motor cabin 3, a sealing plug 4, an upper cylinder 41, a mounting hole 5, an inner blocking eave 51, a positioning pin 52, an open groove 53, a pressure foot 6, a half piece 60, a base part 61, a movable part 62, an outer edge 63, a clamping part 64, a clamping hole 65, a gap 66 and a positioning through hole 67.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments, wherein the positional relationship described herein is consistent with the positional relationship of the drawings, and is for convenience of description only and does not limit the structure of the present invention.

Referring to fig. 1, the ball valve includes a gear case 1 having a motor chamber protruded upward at one side thereof and a valve body 2 having a mounting structure coupled to the valve body 2 at the other side thereof. The top wall of the motor cabin 3 is provided with a mounting hole 5, the mounting hole 5 is an upward extending non-top cylinder, a sealing plug 4 is arranged in the mounting hole 5, and as shown in fig. 8, an upper cylinder 41 integrated with the sealing plug is arranged at the upper end of the sealing plug 4. The sealing plug 4 is provided with a wire hole penetrating through the sealing plug from top to bottom, and the wire hole is used for penetrating a motor wire. The side wall of the valve body 2 is provided with a pressure foot 6, and the front end of the pressure foot 6 extends into the mounting hole.

Referring to fig. 2 to 5, the upper edge of the mounting hole extends inward along two sides to form inner eaves 51, and the two inner eaves 51 are symmetrically arranged. The internal eaves 51 may cover the sealing plug to prevent it from bulging upwards. A height on the cylinder of the mounting hole extends outwards to form a vertical radial strip, namely a positioning pin 52, and the positioning pin is positioned at the left-right symmetrical position of the lower side of the mounting hole. Two open grooves 53 symmetrical to the positioning pin are formed on the side wall of the cylinder at both sides of the positioning pin 52.

Referring to fig. 6 to 7, the presser foot 6 is composed of two symmetrically arranged half-pieces 60, and the half-pieces 60 include a base 61 connected to the side wall of the valve body and an arc-shaped movable portion 62 connected to the base. The movable portion 62 has a certain elasticity, and the two movable portions can be gathered inwardly. The lower edge of the movable part extends outwards to form an outer edge 63. Guarantee the fastness and the stability that presser foot and mounting hole are connected, make the improvement: the two movable portions form a clamping portion 64 having a clamping hole 65. The holding portion 64 holds the upper cylinder 41 of the sealing plug 4. The ends of the two movable parts extend inwards to form a gap 66, and the inner side walls of the two base parts form a positioning through hole 67. The opening of the clamping part, the clamping hole, the gap and the positioning through hole form a channel, and the channel at the gap is narrowest.

When the presser foot is connected with the mounting hole, on one hand, the two movable parts of the presser foot are inwardly closed, the presser foot enters the mounting hole, the upper end surface of the outer edge of the presser foot is propped against the inner stop eave, and meanwhile, the bottom surface of the outer edge of the presser foot is pressed against the upper end surface of the sealing plug; on the other hand, the clamping part of the presser foot clamps the upper column of the sealing plug to prevent the sealing plug from falling into the motor bin. In order to increase the firmness of the connection between the presser foot and the mounting hole and limit the presser foot to horizontally withdraw from the mounting hole, the positioning pin is inserted into the positioning through hole, and the two base parts are positioned in the opening grooves. Because the passage at the gap is narrowest, the positioning pin can prop against the lower opening of the gap, so that the presser foot cannot horizontally withdraw downwards and is separated from the mounting hole.

The present invention is not limited to the above-described embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by a person skilled in the art.

Claims

1. The utility model provides a structure is pressed to motor wire sealing plug of gas table ball valve, the ball valve includes gear box and the valve body of being connected with the gear box, gear box one side has the motor storehouse, motor storehouse roof is equipped with the mounting hole that is used for installing cylindric sealing plug, the sealing plug has the line hole that runs through the motor wire, its characterized in that: the upper edge of the mounting hole extends inwards to form an inner blocking eave, the side wall of the valve body is provided with a pressure foot, and the front end of the pressure foot is inserted into the mounting hole;

the pressure foot is composed of two half pieces, each half piece comprises a base connected with the side wall of the valve body and an arc-shaped movable part connected with the base, the lower edge of the movable part extends outwards along the end face to form an outer edge, the outer edge is positioned below the inner blocking brim, and the bottom surface of the outer edge abuts against the end face of the sealing plug.

2. The structure of claim 1 for pressing the sealing plug of the motor lead of the ball valve of the gas meter is characterized in that: the two movable portions form a clamping portion having a clamping hole.

3. The structure of claim 1 for pressing the sealing plug of the motor lead of the ball valve of the gas meter is characterized in that: the sealing plug is provided with an upper cylinder matched with the clamping hole.

4. The structure of claim 2 or 3 for pressing the sealing plug of the motor lead of the ball valve of the gas meter is characterized in that: the clamping hole clamps the upper cylinder.

5. The structure of claim 1 for pressing the sealing plug of the motor lead of the ball valve of the gas meter is characterized in that: the tail ends of the two movable parts extend inwards to form a gap, and the inner side walls of the two base parts form positioning through holes.

6. The structure of claim 5 for pressing the sealing plug of the motor lead of the ball valve of the gas meter is characterized in that: the side wall of the mounting hole is provided with a positioning pin, open grooves are formed in two sides of the positioning pin, the positioning pin is inserted into the positioning through hole, the two base parts are located in the open grooves, and the positioning pin abuts against the gap to limit horizontal movement of the presser foot.