CN217842727U

CN217842727U - Built-in motor valve for gas meter

Info

Publication number: CN217842727U
Application number: CN202221319871.6U
Authority: CN
Inventors: 周斌
Original assignee: Ningbo Wannuobaotong Mechanical And Electrical Manufacturing Co ltd
Current assignee: Ningbo Wannuobaotong Mechanical And Electrical Manufacturing Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-11-18
Anticipated expiration: 2032-05-30

Abstract

The application provides a gas table is with built-in motor valve, including drive shaft and vent pipe way, drive shaft one end is fixed with the backup pad, the outer wall of backup pad is dug and is had the annular groove, the internally mounted of annular groove has the clamp, the clamp that the backup pad was put through the annular groove can be dismantled with sealing mechanism and be connected, sealing mechanism keeps away from the one end of drive shaft and inserts the inside of locating vent pipe way, the inside one end that is close to sealing mechanism of vent pipe way is dug and is had the hemisphere groove. This application inserts the inside of hemisphere groove and rather than touching through the hemisphere seal cover of the hemisphere ball that sets up in backup pad one side and assorted size, has realized that sealed department reaches the effect of leakproofness reinforcing after increasing because of the contact surface, has solved the mode of the circular gas tank of prior art middle plane lid and has sealed the problem that can make the leakproofness relatively less because of the difference of both sizes is less through the sealed cowling.

Description

Built-in motor valve for gas meter

Technical Field

The utility model relates to a gas table field particularly, relates to a built-in motor valve for gas table.

Background

The gas table usually adopts the motor valve to control opening and closing of gas table as actuating mechanism, the structure of the built-in motor valve of present common intelligent gas table mainly includes the valve body, the disk seat, the valve gap, including a motor, an end cap, a controller, and a cover plate, the valve body passes through valve gap and disk seat fixed connection, motor and reduction gear set correspond installs in the disk seat, the top of screw rod is connected with the cover plate transmission through the nut, the bottom of screw rod passes the valve gap and is connected with the reduction gear set transmission, the top of valve body is equipped with the valve port corresponding with the cover plate, in operation, the motor drives the screw rod through reduction gear set and rotates, make screw rod and nut relative motion, and then drive the cover plate along the axial displacement of screw rod, thereby reach the effect of control valve port switching, reach the sealed effect to the gas circulation valve port through the setting of cover plate.

However, the traditional supporting plate for fixing the sealing cover is in a disc shape, the size of the sealing cover needs to be matched with that of the supporting plate, the supporting plate is sealed through the sealing cover in a mode that the circular gas groove is covered by a plane, the sealing effect depends on the difference between the outer diameter of the supporting plate and the outer diameter of the sealing cover and the inner diameter of the circular gas groove, the difference between the sizes of the supporting plate and the sealing cover is small due to the fact that the inner space of the motor valve body is limited, and therefore the sealing performance of the gas blocking effect is relatively poor, improvement is made on the sealing effect, and the built-in motor valve for the gas meter is provided.

Disclosure of Invention

The utility model aims to provide an: the problem of the present shutoff of straight face mode causes the leakproofness relatively poor.

In order to achieve the purpose of the invention, the utility model provides the following technical scheme: after the semi-spherical ball and the semi-spherical sealing sleeve are inserted into the semi-spherical groove, the contact surface is increased to increase the sealing performance, so as to improve the problems.

The present application is specifically such that:

the utility model provides a built-in motor valve for gas table, includes drive shaft and vent pipe, drive shaft one end is fixed with the backup pad, the outer wall of backup pad is excavated annular groove, the internally mounted of annular groove has the clamp, the backup pad can be dismantled with sealing mechanism through the clamp of annular groove position and is connected, sealing mechanism keeps away from the one end of drive shaft and inserts the inside of locating vent pipe, the inside one end that is close to sealing mechanism of vent pipe is excavated there is half spherical groove, the inside one end of keeping away from half spherical groove of vent pipe is excavated there is the vent groove, the one end that the vent groove is close to half spherical groove is excavated there is the shifting chute, the inside sliding connection of shifting chute has size assorted removal sleeve, the inside one side that is close to half spherical groove of removal sleeve is installed trigger mechanism, the inside one end of keeping away from half spherical groove and shifting chute of vent groove installs shutoff mechanism.

As the preferred technical scheme of this application, sealing mechanism includes hemisphere and hemisphere seal cover, the hemisphere is fixed in the backup pad and is kept away from on the lateral wall of drive shaft, the outer wall at hemisphere cover is established to the hemisphere seal cover, the inside pot head of keeping away from the ring channel of hemisphere seal cover is established on the outer wall of backup pad.

As the preferred technical scheme of this application, the external diameter size that forms between hemisphere and the backup pad matches with the internal diameter size of hemisphere seal cover, just the outer wall of hemisphere seal cover contacts with the inner wall of hemisphere groove.

As the preferred technical scheme of this application, trigger mechanism includes a support and No. two magnetite, the outside and the inner wall fixed connection who removes the sleeve of a support, extension board No. one of the inside fixedly connected with of a support, magnetite of the inside fixedly connected with of extension board No. one.

As the preferred technical scheme of this application, no. two magnetite inlays to adorn and fix on the lateral wall that the backup pad was kept away from to the semicircle ball, no. two magnetite and a magnetite are same water flat line, and magnetism repels each other.

As the preferred technical scheme of this application, shutoff mechanism includes the support No. two, the outside of support No. two is fixed on the inner wall of air vent, no. two extension boards of the inside fixedly connected with of support No. two, no. two the extension boards are close to the one end of moving the sleeve and are fixed with the extension post, the one end that No. two extension boards were kept away from to the extension post is fixed with the closure plate, the one end that No. two extension boards were kept away from to the extension post is inserted and is located the inside of shifting chute, the length distance between the shifting chute inner wall both sides is greater than the sum of the length distance between the inside hemisphere groove both ends of shifting chute of moving sleeve, closure plate and being located.

As the preferred technical scheme of this application, the closure plate is located the inside in shifting chute, the closure plate is inserted and is located the inside of shifting sleeve, just the external diameter size of closure plate and shifting sleeve are close to the internal diameter size phase-match of one end mutually.

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

in the scheme of the application:

1. the semi-spherical ball arranged on one side of the supporting plate and the semi-spherical sealing sleeve with the matched size are inserted into the semi-spherical groove and are in contact with the semi-spherical groove, so that the effect of enhancing the sealing performance of the sealing position after the contact surface is increased is achieved, and the problem that the sealing performance is relatively poor due to the fact that the difference between the sizes of the semi-spherical ball and the semi-spherical sealing sleeve is small when the sealing position is sealed through the sealing cover in the prior art is solved;

2. the magnetism through a magnetite and No. two magnetites is repelled and makes the closure plate can plug up the one end of moving sleeve, has realized the impact force of gas to the hemisphere seal cover when the valve body is closing, has increased the life-span that the hemisphere seal cover is used for sealing.

Drawings

FIG. 1 is a general external structural schematic diagram provided herein;

FIG. 2 is a schematic view of the left side separation structure of the semi-spherical and semi-spherical sealing sleeve provided by the present application;

FIG. 3 is a schematic view of the right side separation structure of the semi-spherical and semi-spherical sealing sleeve provided by the present application;

FIG. 4 is a cross-sectional structural schematic of an air duct provided herein;

fig. 5 is a schematic cross-sectional internal structural view of the ventilation duct provided in the present application;

fig. 6 is a left side view schematically illustrating the structure of the movable sleeve provided by the present application.

The following are marked in the figure:

1. a drive shaft; 2. a support plate; 3. a hemispherical seal sleeve; 4. an annular groove; 5. clamping a hoop; 6. an air duct; 7. a hemispherical groove; 8. a vent channel; 9. a moving groove; 10. moving the sleeve; 11. a first bracket; 12. a first support plate; 13. a first magnet; 14. a semi-sphere; 15. a second bracket; 16. a second support plate; 17. extending the column; 18. a blocking plate; 19. a second magnet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them.

Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and the features and technical solutions in the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, orientations or positional relationships that are usually placed when the product of the present invention is used, or orientations or positional relationships that are usually understood by those skilled in the art, and such terms are only used for convenience of description and simplification of the description, and do not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Example 1:

as shown in fig. 1-2-3 and 4, the present embodiment provides an internal motor valve for a gas meter, including a driving shaft 1 and a vent pipe 6, a supporting plate 2 is fixed at one end of the driving shaft 1, an annular groove 4 is drilled on an outer wall of the supporting plate 2, a clamp 5 is installed inside the annular groove 4, the supporting plate 2 is detachably connected to a sealing mechanism through the clamp 5 at the position of the annular groove 4, a position outside a hemispherical sealing sleeve 3 is clamped at the annular groove 4 in the sealing mechanism through the clamp 5, so that the connection between the two is more compact, one end of the sealing mechanism far away from the driving shaft 1 is inserted into the vent pipe 6, a hemispherical groove 7 is drilled at one end of the vent pipe 6 close to the sealing mechanism, a vent groove 8 is drilled at one end of the vent pipe 6 far away from the hemispherical groove 7, a moving groove 9 is drilled at one end of the vent groove 8 close to the hemispherical groove 7, a moving sleeve 10 with a size matched with the inside of the moving groove 9 in a sliding manner, a trigger mechanism is installed at one side of the moving sleeve 10 close to the hemispherical groove 7, and a blocking mechanism is installed at one end of the vent groove 8 far away from the hemispherical groove 7 and the moving groove 9.

Further, sealing mechanism includes hemisphere 14 and hemisphere seal cover 3, hemisphere 14 is fixed on the lateral wall that drive shaft 1 was kept away from to backup pad 2, hemisphere seal cover 3 cover is established at hemisphere 14's outer wall, the inside pot head of keeping away from ring channel 4 of hemisphere seal cover 3 is established on backup pad 2's outer wall, the external diameter size that forms between hemisphere 14 and the backup pad 2 matches with hemisphere seal cover 3's internal diameter size, and hemisphere seal cover 3's outer wall contacts with hemisphere groove 7's inner wall, hemisphere seal cover 3's outer wall is laminated with hemisphere groove 7's inner wall mutually, its area of contact is great, thereby make its leakproofness obtain increasing.

Example 2:

the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:

as shown in fig. 3-4-5-6, as a preferred embodiment, in addition to the above-mentioned mode, the triggering mechanism further includes a first bracket 11 and a second magnet 19, the outer portion of the first bracket 11 is fixedly connected with the inner wall of the moving sleeve 10, the inner portion of the first bracket 11 is fixedly connected with a first support plate 12, the inner portion of the first support plate 12 is fixedly connected with a first magnet 13, the second magnet 19 is embedded and fixed on the side wall of the semi-spherical ball 14 away from the support plate 2, the second magnet 19 and the first magnet 13 are in the same horizontal line, and the magnets repel each other, and when the first magnet 13 is inserted into the semi-spherical groove 7 along with the semi-spherical sealing sleeve 3, the moving sleeve 10 pushed by the gas is driven to move again in the moving groove 9 by the repelling of the

magnets

19 and 13.

Furthermore, the plugging mechanism comprises a second support 15, the outer portion of the second support 15 is fixed on the inner wall of the vent groove 8, a second support plate 16 is fixedly connected to the inner portion of the second support 15, an extension column 17 is fixed at one end, close to the movable sleeve 10, of the second support plate 16, a plugging plate 18 is fixed at one end, far away from the second support plate 16, of the extension column 17, one end, far away from the second support plate 16, of the extension column 17 is inserted into the movable groove 9, the length distance between two sides of the inner wall of the movable groove 9 is larger than the sum of the length distances between the movable sleeve 10, the plugging plate 18 and two ends of the hemispherical groove 7 located in the movable groove 9, the plugging plate 18 is inserted into the movable sleeve 10, the outer diameter of the plugging plate 18 is matched with the inner diameter of the end, close to the movable sleeve 10, one end, far away from the first magnet 13, of the movable sleeve 10 is sleeved on the outer wall of the plugging plate 18, pressure impact of gas on the hemispherical sealing sleeve 3 is reduced, sealing performance is guaranteed once again, and the service life of the hemispherical sealing sleeve 3 is prolonged.

The schemes of example 1 and example 2 are further described below in conjunction with specific working examples, which are described in detail below:

specifically, this application built-in motor valve for gas table is when during operation/use: because the valve body, the disk seat, the valve gap, including a motor, a reduction gear set is the content disclosed in the prior art, the beneficial effects of this application are not in this application, so too much description is omitted, when the motor drives the drive shaft 1 to move through the reduction gear set after working, drive the hemisphere 14 and the hemisphere seal cartridge 3 of backup pad 2 one side together and move, until the hemisphere seal cartridge 3 inserts the hemisphere groove 7 inner wall of establishing the inside one end of breather pipe 6, and the outer wall of hemisphere seal cartridge 3 is laminated with the inner wall of hemisphere groove 7, its area of contact is great, thereby make its leakproofness increase, and when a magnetite 13 inserts in hemisphere groove 7 along with hemisphere seal cartridge 3, through the magnetism repulsion of a magnetite 19 and a magnetite 13 and drive the removal sleeve 10 that comes over by the gas top through sliding once more and moving once more in the removal groove 9, until a pot head that the removal sleeve 10 inside keeps away from a magnetite 13 is established on the outer wall of closure plate 18, the gas that the end of breather groove 8 keeps away from a hemisphere groove 7 is just hardly through removal sleeve 10 and is close to the position of hemisphere seal cartridge 3 in groove 7, the reduction of the hemispherical seal cartridge 3, the pressure of the hemisphere 3 has not only been reduced, and the one more the life-time has been guaranteed again that the sealed again.

The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement may be made to the present invention; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.

Claims

1. The utility model provides a built-in motor valve for gas table, its characterized in that, includes drive shaft (1) and vent pipe (6), drive shaft (1) one end is fixed with backup pad (2), the outer wall of backup pad (2) is dug there is annular groove (4), the internally mounted of annular groove (4) has clamp (5), clamp (5) and sealing mechanism that backup pad (2) pass through annular groove (4) position can be dismantled with sealing mechanism and be connected, sealing mechanism keeps away from the one end of drive shaft (1) and inserts the inside of locating vent pipe (6), the inside one end that is close to sealing mechanism of vent pipe (6) is dug there is half spherical groove (7), the inside one end of keeping away from half spherical groove (7) of vent pipe (6) is dug there is vent groove (8), vent groove (8) are close to the one end of half spherical groove (7) and are dug there is movable groove (9), the inside sliding connection of movable groove (9) has size assorted movable sleeve (10), the inside one side of being close to half spherical groove (7) of movable sleeve (10) is installed trigger mechanism, the inside is kept away from half spherical groove (7) and is installed with spherical groove (9) shutoff mechanism.

2. The built-in motor valve for the gas meter is characterized in that the sealing mechanism comprises a semi-spherical ball (14) and a semi-spherical sealing sleeve (3), the semi-spherical ball (14) is fixed on the side wall, away from the driving shaft (1), of the supporting plate (2), the semi-spherical sealing sleeve (3) is sleeved on the outer wall of the semi-spherical ball (14), and one end, away from the annular groove (4), of the interior of the semi-spherical sealing sleeve (3) is sleeved on the outer wall of the supporting plate (2).

3. The built-in motor valve for the gas meter as claimed in claim 2, wherein the outer diameter dimension formed between the semi-spherical ball (14) and the support plate (2) is matched with the inner diameter dimension of the semi-spherical sealing sleeve (3), and the outer wall of the semi-spherical sealing sleeve (3) is in contact with the inner wall of the semi-spherical groove (7).

4. The built-in motor valve for the gas meter is characterized in that the trigger mechanism comprises a first support (11) and a second magnet (19), the outer portion of the first support (11) is fixedly connected with the inner wall of the movable sleeve (10), a first support plate (12) is fixedly connected to the inner portion of the first support (11), and a first magnet (13) is fixedly connected to the inner portion of the first support plate (12).

5. The gas meter built-in motor valve according to claim 4, wherein the second magnet (19) is embedded and fixed on the side wall of the semi-sphere (14) far away from the support plate (2), and the second magnet (19) and the first magnet (13) are in the same horizontal line and have magnetism repulsion.

6. The gas meter built-in motor valve according to claim 1, wherein the blocking mechanism comprises a second support (15), the outer portion of the second support (15) is fixed on the inner wall of the vent groove (8), a second support plate (16) is fixedly connected to the inner portion of the second support (15), an extension column (17) is fixed to one end, close to the movable sleeve (10), of the second support plate (16), a blocking plate (18) is fixed to one end, far away from the second support plate (16), of the extension column (17), one end, far away from the second support plate (16), of the extension column (17) is inserted into the movable groove (9), and the length distance between two sides of the inner wall of the movable groove (9) is greater than the sum of the length distances between the two ends of the movable sleeve (10), the blocking plate (18) and the hemispherical groove (7) located inside the movable groove (9).

7. The built-in motor valve for the gas meter is characterized in that the blocking plate (18) is positioned inside the moving groove (9), the blocking plate (18) is inserted inside the moving sleeve (10), and the outer diameter of the blocking plate (18) is matched with the inner diameter of one end, close to the moving sleeve (10).