CN217481981U - Improved gas meter built-in motor valve - Google Patents

Abstract

The application provides an improved gas table built-in motor valve, which comprises a valve body, the bottom fixed mounting of valve body has the disk seat, the fixed valve port that is provided with in top of valve body, the inside fixed mounting of disk seat has the executor, the inner wall of valve body rotates and is connected with the valve shaft of vertical setting, the top fixed mounting of valve shaft has drive screw, valve shaft week side-mounting has the magnetic subassembly of position adjustable, the inside fixed drum pressure chamber of having seted up of valve body, the inner wall sliding connection in drum pressure chamber has the drum to press the seat, drive screw's week side is pressed the seat transmission with the drum and is connected, the top fixed mounting that the seat was pressed to the drum has with valve port complex sealing cap, the inside fixed mounting of valve body has with magnetic subassembly and executor complex linkage subassembly. This application has increased the motor when closing the valve port and has prevented stifled protection architecture on traditional electric machine valve's basis through the permanent magnetism ring, electromagnetic ring and the driven ring gear that set up.

Description

Improved gas meter built-in motor valve

Technical Field

The utility model relates to a solenoid valve field particularly, relates to an improved generation gas table built-in motor valve.

Background

An intelligent gas meter usually adopts a motor valve as an actuating mechanism to control the opening and closing of the gas meter. At present, the structure of a common intelligent gas meter motor valve mainly comprises a valve body, a valve seat, a motor, a reduction gear set, a screw rod and a sealing cover, wherein the valve body is fixedly connected with the valve seat, the motor and the reduction gear set are correspondingly arranged in the valve seat, the top end of the screw rod is in transmission connection with the sealing cover through a nut, the bottom of the sealing cover is fixed in the valve body, the bottom end of the screw rod is in transmission connection with the reduction gear set, and the top of the valve body is provided with a valve port corresponding to the sealing cover. When the intelligent gas meter works, the motor drives the screw rod to rotate through the reduction gear set, and then the sealing cover is driven to move along the axial direction of the screw rod, so that the effect of controlling the opening and closing of the valve port is achieved, and the intelligent gas meter usually adopts the motor valve as an executing mechanism to control the opening and closing of the gas meter. At present, the structure of a common intelligent gas meter motor valve mainly comprises a valve body, a valve seat, a motor, a reduction gear set, a screw rod and a sealing cover, wherein the valve body is fixedly connected with the valve seat, the motor and the reduction gear set are correspondingly arranged in the valve seat, the top end of the screw rod is in transmission connection with the sealing cover through a nut, the bottom of the sealing cover is fixed in the valve body, the bottom end of the screw rod is in transmission connection with the reduction gear set, and the top of the valve body is provided with a valve port corresponding to the sealing cover. The during operation, the motor passes through reduction gear group and drives the screw rod rotation, and then drives the sealed cowling along the axial motion of screw rod, thereby reach the effect of control valve port switching, among the prior art, multiple type motor valve has appeared, patent document like publication number CN105221757B discloses an intelligence gas meter motor valve, this valve body is provided with signal monitoring module with opening and closing of control valve port, however above-mentioned motor valve is when the valve port is opened or is closed, lack the motor when closing the valve port and prevent stifled protection architecture and the valve port preheating protection architecture of motor when opening, on this basis, the utility model provides an improved generation gas table built-in motor valve to solve the problem that proposes in the above-mentioned background art.

Disclosure of Invention

The utility model aims to provide a: the problem of current motor valve that exists at present when the valve port is opened or is closed, the motor that lacks when closing the valve port prevents stifled protection architecture and the valve port preheating protection architecture of motor when opening.

In order to achieve the purpose of the invention, the utility model provides the following technical scheme:

an improved built-in motor valve for a gas meter is used for solving the problems.

The present application is specifically such that:

the magnetic valve comprises a valve body, wherein a valve seat is fixedly mounted at the bottom of the valve body, a valve port is fixedly arranged at the top of the valve body, an actuator is fixedly mounted inside the valve seat, the inner wall of the valve body is rotatably connected with a vertically arranged valve shaft, a transmission screw rod is fixedly mounted at the top end of the valve shaft, a magnetic assembly with an adjustable position is mounted on the circumferential side surface of the valve shaft, a drum pressing cavity is fixedly formed in the valve body, a drum pressing seat is slidably connected to the inner wall of the drum pressing cavity, the circumferential side surface of the transmission screw rod is in transmission connection with the drum pressing seat, a sealing cap matched with the valve port is fixedly mounted at the top end of the drum pressing seat, and a linkage assembly matched with the magnetic assembly and the actuator is fixedly mounted inside the valve body.

As the preferred technical scheme of this application, magnetic drive assembly respectively including be fixed in valve shaft week side transmission cover, driven ring gear, install in the valve body bottom and with the valve shaft coaxial setting electromagnetic ring, be fixed in the urceolus of sealing cap bottom surface and be fixed in the inner tube in the valve body, the inner wall fixed mounting of driven ring gear has driven the pipe that inlays, the inner wall and the transmission cover sliding fit of driven pipe that inlays, the cross section of transmission cover is regular polygon, driven pipe that inlays is both ends open-ended cavity tubular structure, the fixed caulking hole of having seted up transmission cover shape adaptation of the inner wall of driven pipe that inlays, the bottom surface fixed mounting of driven ring gear has the permanent magnetism ring opposite with the electromagnetic ring, the week side cover of valve shaft is equipped with the tensile spring with driven ring gear complex, the inner wall and the inner tube sliding connection of urceolus, the bottom surface fixed mounting of urceolus has electrically conductive lower ring, and the conductive upper ring matched with the conductive lower ring is fixedly arranged at the inner top of the inner barrel.

As the preferred technical scheme of this application, the top fixed mounting of driving sleeve has the spacing ring, the tensile spring sets up between spacing ring and driven ring gear.

As the preferred technical scheme of this application, the linkage subassembly includes the piston cylinder with disk seat fixed connection, the inner wall sliding connection of piston cylinder has the piston seat, the fixed pressurization chamber that is provided with between the relative surface of piston seat and piston cylinder, the top in pressurization chamber is passed through the union coupling and is pressed the fixed intercommunication in chamber with the drum, the bottom surface fixed mounting of piston seat has the shaft coupling, the week side of shaft coupling rotate be connected with driven ring gear complex linkage gear, the output shaft fixed mounting of executor have with linkage gear complex transmission fluted roller, the bottom surface fixed mounting of piston seat have with piston cylinder complex resistance to compression spring.

As the preferred technical scheme of this application, the outside of shaft coupling is located to the resistance to compression spring sleeve, the fixed first sealing rubber ring that is provided with the chamber complex that pressurizes of week side of piston seat.

As the preferable technical scheme of the application, a valve pipe matched with the valve port is fixedly installed on the side face of the valve body.

As the preferred technical scheme of this application, the inner chamber shape in chamber is regular polygon to the drum, the shape that the seat was pressed to the drum and the shape adaptation in chamber are pressed to the drum, the drum press the seat all side fixed mounting have with drum press chamber complex second sealing rubber ring.

As the preferred technical scheme of this application, the inside fixed mounting of disk seat has conductive terminal.

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

in the scheme of the application:

1. the motor anti-blocking protection structure is added on the basis of the traditional motor valve through the permanent magnet ring, the electromagnetic ring and the driven gear ring, when the valve port is closed, the electromagnetic valve can automatically cut off the power and the transmission gear ring loses the transmission force, and after the transmission gear ring loses the transmission force, the linkage gear and the actuator can continue to idle, so that the anti-blocking protection function is achieved for the motor;

2. through the permanent magnetism ring, electromagnetic ring and the driven ring gear that set up, still increased the protection architecture that preheats to the motor on traditional motor valve's basis, when the valve port closes in advance, the motor can carry out the automatic protection of preheating, and the motor preheats the back that finishes, and the automatic circular telegram of solenoid valve is to driven ring gear input power then, preheats protect function's realization through above-mentioned motor to effectively improve this motor valve's safety in utilization and life.

Drawings

Fig. 1 is a schematic cross-sectional structure view of an improved gas meter built-in motor valve provided in the present application;

FIG. 2 is a schematic view of a portion A of the present application shown in FIG. 1;

FIG. 3 is a schematic view of a portion of the enlarged structure at B in FIG. 1;

FIG. 4 is a partial enlarged structural view at C in FIG. 1 of the present application;

FIG. 5 is a schematic view of a portion of the enlarged structure shown at D in FIG. 1;

fig. 6 is a schematic structural diagram of the sealing cap and the driving sleeve of the present application.

The following are marked in the figure:

1. a valve body; 2. a valve seat; 3. a valve port; 4. an actuator; 5. a bulging chamber; 6. a drum pressing base; 7. a sealing cap; 8. a transmission sleeve; 9. a driven gear ring; 10. an electromagnetic ring; 11. an outer cylinder; 12. an inner barrel; 13. a permanent magnet ring; 14. a tension spring; 15. a conductive lower ring; 16. a conductive upper ring; 17. a limiting ring; 18. a piston cylinder; 19. a piston seat; 20. a pressure chamber; 21. a linkage gear; 22. a driving gear roller; 23. a compression spring; 24. a valve tube; 25. a conductive terminal; 26. a drive screw; 27. a valve shaft.

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 clearly and completely described below 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 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 efforts all belong to the protection scope of the present invention.

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

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 or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper" and "lower" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, or the orientation or position relationship that a person skilled in the art would conventionally understand, and such terms are only used for convenience of description and simplification of the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

Example 1:

as shown in fig. 1 to 6, the embodiment provides an improved gas meter built-in motor valve, which includes a valve body 1, a valve seat 2 is fixedly mounted at the bottom of the valve body 1, a valve port 3 is fixedly arranged at the top of the valve body 1, a valve pipe 24 matched with the valve port 3 is fixedly mounted on the side surface of the valve body 1, an actuator 4 is fixedly mounted inside the valve seat 2, the actuator 4 is a motor, the inner wall of the valve body 1 is rotatably connected with a vertically arranged valve shaft 27, a transmission screw 26 is fixedly mounted at the top end of the valve shaft 27, a position-adjustable magnetic assembly is mounted on the circumferential side surface of the valve shaft 27, a drum pressure chamber 5 is fixedly arranged inside the valve body 1, a drum pressure seat 6 is slidably connected to the inner wall of the drum pressure chamber 5, the circumferential side surface of the transmission screw 26 is in transmission connection with the drum pressure seat 6, a sealing cap 7 matched with the valve port 3 is fixedly mounted at the top end of the drum pressure seat 6, and a linkage assembly matched with the magnetic assembly and the actuator 4 is fixedly mounted inside the valve body 1.

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. 1 to 6, in addition to the above-mentioned embodiments, the magnetic driving components further include a driving sleeve 8 fixed to the circumferential side surface of the valve shaft 27, a driven ring gear 9, an electromagnetic ring 10 mounted on the bottom of the valve body 1 and disposed coaxially with the valve shaft 27, an outer cylinder 11 fixed to the bottom surface of the sealing cap 7, and an inner cylinder 12 fixed inside the valve body 1;

the cross section of the transmission sleeve 8 is a regular polygon, a driven embedded pipe is fixedly installed on the inner wall of the driven gear ring 9, the inner wall of the driven embedded pipe is in sliding fit with the transmission sleeve 8, the driven embedded pipe is a hollow tubular structure with openings at two ends, an embedded hole matched with the transmission sleeve 8 in shape is fixedly formed in the inner wall of the driven embedded pipe, and the embedded hole is also polygonal;

through the appearance structure arrangement of the transmission sleeve 8 and the shape arrangement of the embedding hole, the driven gear ring 9 can slide up and down along the transmission sleeve 8 and can be effectively transmitted by the transmission sleeve 8;

a permanent magnet ring 13 with the opposite magnetism to the electromagnetic ring 10 is fixedly arranged on the bottom surface of the driven gear ring 9, the permanent magnet ring 13 is a permanent magnet, the electromagnetic ring 10 is an electromagnet, the electromagnetic ring 10 generates magnetism when being electrified, and after the electromagnetic ring 10 is electrified, the magnetism of the electromagnetic ring is opposite to that of the permanent magnet ring 13, so that the attraction force between the electromagnetic ring 10 and the permanent magnet ring 13 is ensured;

the peripheral side surface of the valve shaft 27 is sleeved with a tensile spring 14 matched with the driven gear ring 9, the top of the transmission sleeve 8 is fixedly provided with a limiting ring 17, the tensile spring 14 is arranged between the limiting ring 17 and the driven gear ring 9, the inner wall of the outer cylinder 11 is in sliding connection with the inner cylinder 12, the inner bottom surface of the outer cylinder 11 is fixedly provided with a conductive lower ring 15, the inner top of the inner cylinder 12 is fixedly provided with a conductive upper ring 16 matched with the conductive lower ring 15, when the conductive lower ring 15 is contacted with the conductive upper ring 16, the electromagnetic ring 10 is powered off and loses magnetism, the driven gear ring 9 automatically resets upwards under the action of the tensile spring 14 and is separated from contact with the linkage gear 21, when the conductive lower ring 15 is separated from the conductive upper ring 16, the electromagnetic ring 10 generates magnetism, and the magnetism generates attraction force on the driven gear ring 9, and under the action of the attraction force, the driven gear ring 9 is contacted with the linkage gear 21.

As shown in fig. 1-2, in addition to the above-mentioned mode, as a preferred embodiment, the linkage assembly further includes a piston cylinder 18 fixedly connected to the valve seat 2, a piston seat 19 is slidably connected to an inner wall of the piston cylinder 18, a pressurizing chamber 20 is fixedly disposed between the piston seat 19 and an opposite surface of the piston cylinder 18, a top end of the pressurizing chamber 20 is fixedly communicated with the drum pressure chamber 5 through a connecting pipe, a connecting shaft is fixedly mounted on a bottom surface of the piston seat 19, a linkage gear 21 matched with the driven gear ring 9 is rotatably connected to a peripheral side surface of the connecting shaft, a transmission gear roller 22 matched with the linkage gear 21 is fixedly mounted on an output shaft end of the actuator 4, and a compression spring 23 matched with the piston cylinder 18 is fixedly mounted on a bottom surface of the piston seat 19.

As shown in fig. 2, as a preferred embodiment, in addition to the above-mentioned mode, a first sealing rubber ring matched with the pressurizing chamber 20 is further fixedly arranged on the circumferential side surface of the piston seat 19, and the sealing performance at the sliding connection part of the piston seat 19 and the pressurizing chamber 20 is effectively ensured through the arrangement of the first sealing rubber ring.

As shown in fig. 1 and 4, as a preferred embodiment, in addition to the above-mentioned mode, further, the shape of the inner cavity of the drum pressing cavity 5 is a regular polygon, the shape of the drum pressing base 6 is adapted to the shape of the drum pressing cavity 5, and the peripheral side surface of the drum pressing base 6 is fixedly provided with a second sealing rubber ring matched with the drum pressing cavity 5;

through the setting of second sealing rubber ring to effectively guarantee the leakproofness of the position of drumming seat 6 and drumming chamber 5 sliding connection.

Example 3:

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, the method comprises the following steps: when the valve port 3 is opened in an initial state, the valve port 3 is communicated with the valve pipe 24 when the valve port 3 is opened, the upper conductive ring 16 is separated from the lower conductive ring 15, the electromagnetic ring 10 is electrified and generates suction to the driven gear ring 9, the driven gear ring 9 is meshed with the linkage gear 21, the linkage gear 21 is in transmission connection with the actuator 4, when the valve port 3 needs to be closed, the actuator 4 works and drives the sealing cap 7 to gradually move upwards, when the sealing cap 7 is attached to the valve port 3, namely the upper conductive ring 16 is contacted with the lower conductive ring 15, the electromagnetic ring 10 is powered off, the permanent magnetic ring 13 loses the magnetic attraction effect, the driven gear ring 9 is reset upwards under the action of the tensile spring 14 and is separated from the linkage gear 21, and when the sealing cap 7 moves upwards, the linkage gear 21 moves downwards under the action of the piston seat 19 for a designated stroke, so that the separation efficiency and effect of the linkage gear 21 and the driven gear ring 9 are improved, after the linkage gear 21 is separated from the driven gear ring 9, the linkage gear 21 and the actuator 4 idle, then the actuator 4 is subjected to anti-blocking protection, the actuator 4 is automatically powered off after idling for a specified time, when the valve port 3 needs to be opened again, the actuator 4 works, after the actuator 4 is preheated for a specified time, the controller matched with the motor valve controls the electromagnetic ring 10 to be powered on again, the driven gear ring 9 is in contact with the linkage gear 21, then the drive screw 26 is driven, and after the drive screw 26 is driven, the seal cap 7 is driven to move downwards, so that the valve port 3 is opened.

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 (8)

1. An improved gas meter built-in motor valve comprises a valve body (1), wherein a valve seat (2) is fixedly installed at the bottom of the valve body (1), a valve port (3) is fixedly arranged at the top of the valve body (1), and is characterized in that an actuator (4) is fixedly installed inside the valve seat (2), a vertically arranged valve shaft (27) is rotatably connected to the inner wall of the valve body (1), a transmission screw (26) is fixedly installed at the top end of the valve shaft (27), a position-adjustable magnetic assembly is installed on the circumferential side of the valve shaft (27), a bulging cavity (5) is fixedly formed inside the valve body (1), a bulging seat (6) is slidably connected to the inner wall of the bulging cavity (5), the circumferential side of the transmission screw (26) is in transmission connection with the bulging seat (6), and a sealing cap (7) matched with the valve port (3) is fixedly installed at the top end of the bulging seat (6), and a linkage assembly matched with the magnetic assembly and the actuator (4) is fixedly arranged in the valve body (1).

2. The improved gas meter built-in motor valve according to claim 1, wherein the magnetic driving components respectively comprise a driving sleeve (8) fixed on the peripheral side surface of the valve shaft (27), a driven gear ring (9), an electromagnetic ring (10) arranged at the bottom of the valve body (1) and coaxial with the valve shaft (27), an outer cylinder (11) fixed on the bottom surface of the sealing cap (7) and an inner cylinder (12) fixed in the valve body (1), a driven embedded pipe is fixedly arranged on the inner wall of the driven gear ring (9), the inner wall of the driven embedded pipe is in sliding fit with the driving sleeve (8), the cross section of the driving sleeve (8) is a regular polygon, the driven embedded pipe is a hollow tubular structure with openings at two ends, an embedded hole matched with the shape of the driving sleeve (8) is fixedly formed in the inner wall of the driven embedded pipe, a permanent magnet ring (13) with the opposite magnetism to the electromagnetic ring (10) is fixedly arranged on the bottom surface of the driven gear ring (9), the side cover all around of valve shaft (27) is equipped with driven ring gear (9) complex tensile spring (14), the inner wall and inner tube (12) sliding connection of urceolus (11), the interior bottom fixed mounting of urceolus (11) has electrically conductive lower ring (15), the interior top fixed mounting of inner tube (12) has electrically conductive lower ring (15) complex electrically conductive upper ring (16).

3. The improved gas meter built-in motor valve as claimed in claim 2, wherein a limit ring (17) is fixedly mounted at the top of the transmission sleeve (8), and the tensile spring (14) is arranged between the limit ring (17) and the driven gear ring (9).

4. The improved gas meter built-in motor valve according to claim 1, the linkage assembly comprises a piston cylinder (18) fixedly connected with the valve seat (2), the inner wall of the piston cylinder (18) is connected with a piston seat (19) in a sliding way, a pressurizing cavity (20) is fixedly arranged between the opposite surfaces of the piston seat (19) and the piston cylinder (18), the top end of the pressurizing cavity (20) is fixedly communicated with the drum pressurizing cavity (5) through a connecting pipe, a coupling is fixedly arranged on the bottom surface of the piston seat (19), a linkage gear (21) matched with the driven gear ring (9) is rotationally connected to the peripheral side surface of the coupling, a transmission gear roller (22) matched with the linkage gear (21) is fixedly arranged at the output shaft end of the actuator (4), and a compression-resistant spring (23) matched with the piston cylinder (18) is fixedly arranged on the bottom surface of the piston seat (19).

5. The improved gas meter built-in motor valve according to claim 4, wherein the compression-resistant spring (23) is sleeved outside the coupling, and a first sealing rubber ring matched with the pressurizing cavity (20) is fixedly arranged on the peripheral side surface of the piston seat (19).

6. The improved gas meter built-in motor valve according to claim 1, wherein a valve pipe (24) matched with the valve port (3) is fixedly installed on the side surface of the valve body (1).

7. The improved gas meter built-in motor valve according to claim 1, wherein the shape of the inner cavity of the drum pressure cavity (5) is a regular polygon, the shape of the drum pressure seat (6) is matched with the shape of the drum pressure cavity (5), and a second sealing rubber ring matched with the drum pressure cavity (5) is fixedly installed on the peripheral side surface of the drum pressure seat (6).

8. The improved gas meter built-in motor valve according to claim 1, wherein a conductive terminal (25) is fixedly mounted inside the valve seat (2).

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