CN213982204U

CN213982204U - Low-pressure-loss gas meter built-in motor valve

Info

Publication number: CN213982204U
Application number: CN202022075063.7U
Authority: CN
Inventors: 周斌; 夏申阳
Original assignee: Ningbo Wannuobaotong Mechanical And Electrical Manufacturing Co ltd
Current assignee: Ningbo Wannuobaotong Mechanical And Electrical Manufacturing Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-08-17
Anticipated expiration: 2030-09-21

Abstract

The utility model relates to a low pressure loss gas table built-in motor valve, including valve body and motor, be equipped with on the valve body and give vent to anger and connect and the pressure inlet connector, be equipped with the valve rod assembly who closes or open the joint of giving vent to anger in the valve body, be equipped with between valve body and motor and drive the valve rod assembly and remove the back and guarantee to give vent to anger to connect and pressure inlet connector intercommunication or the transmission assembly who closes, its characterized in that: the main central axis M1 of valve body sets up for the slope, the one side at the valve body is installed with the mode of slope to the air inlet joint, the first central axis M2 of the joint of giving vent to anger is the slope mode with the main central axis M1 of valve body to guarantee that the valve body is the contained angle cooperation with the joint of giving vent to anger and air inlet joint, the air current passageway of giving vent to anger and constituting between joint and the air inlet joint is through passageway. This structure can reduce the pressure loss to case and inside.

Description

Low-pressure-loss gas meter built-in motor valve

Technical Field

The utility model relates to a gas meter motor valve technical field, in particular to low pressure loss gas meter 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, but the motor valve of the existing intelligent gas meter is unreasonable in valve body structure arrangement, specifically, the valve body and a reduction gearbox of the motor valve are vertically arranged, namely, the axis of an air inlet is vertical to the axis of an air outlet, for example, the patent with the patent number of 2018212221028 is named as a novel motor valve of the gas meter, a screw rod of the novel motor valve is also vertically arranged, so that a direct air flow channel cannot be formed in the valve body, the installation position of the screw rod must be bypassed, so that the air flow channel of the valve body is in a U-shaped structure, and the U-shaped air flow channel can cause that gas is subjected to larger resistance when flowing, so that the pressure loss is higher, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a low pressure loss gas meter built-in motor valve, which forms a straight-through air flow channel in a valve body to reduce pressure loss.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a low pressure loss gas table built-in motor valve, includes valve body and motor, is equipped with on the valve body and gives vent to anger to connect and air inlet joint, is equipped with the valve rod subassembly that will give vent to anger to connect and close or open in the valve body, is equipped with between valve body and motor and drives the valve rod subassembly and remove the back and guarantee to give vent to anger to connect and air inlet joint intercommunication or the transmission assembly who closes, its characterized in that: the main central axis M1 of valve body sets up for the slope, the one side at the valve body is installed with the mode of slope to the air inlet joint, the first central axis M2 of the joint of giving vent to anger is the slope mode with the main central axis M1 of valve body to guarantee that the valve body is the contained angle cooperation with the joint of giving vent to anger and air inlet joint, the air current passageway of giving vent to anger and constituting between joint and the air inlet joint is through passageway.

Preferably, for convenience of installation and operation, the valve body comprises a valve cover and a valve seat which are matched with each other, the valve seat is arranged in an inclined mode, an outlet of the valve seat is arranged below the valve seat and faces towards the lower portion on the left side, an air inlet connector of which the opening faces towards the upper portion on the right side is arranged on the right side of the valve seat, the motor is arranged above the valve seat, and the air outlet connector and the air inlet connector are arranged in an opposite mode.

Preferably, in order to facilitate internal operation, the valve rod assembly comprises a screw rod and a nut which are arranged in the valve body, the screw rod is in threaded fit with the nut, one end of the screw rod is connected with a valve core matched with an opening at the upper end of the air outlet connector, the transmission assembly comprises a gear connected to an output shaft of the motor and an inner gear ring meshed with the gear, and the inner gear ring is in transmission connection with the other end of the screw rod.

Preferably, the sealing effect is improved, a first sealing element is arranged between the valve seat and the valve cover, and the nut penetrates through the first sealing element and then is in threaded connection with the screw.

Preferably, for convenient operation, the inner ring gear is raised with first transmission lug, be equipped with the driving ring on the screw rod, the circumference distributes on the driving ring and has the rotation back can with first transmission lug complex second transmission lug.

Compared with the prior art, the utility model discloses the structure is through setting up the installation area of slope on the valve body, make drive assembly install in the valve body with the mode of slope, and simultaneously, the main central axis M1 that corresponds the under shed of valve body is changed into by the mode of current perpendicular to air inlet/gas outlet and is contained angle complex mode with air inlet and gas outlet, and like this, guarantee that the screw rod just also sets up in the valve body of slope, and like this, it is close straight-through air current channel to have formed in the messenger's valve body, make air current channel not influenced when the transmission, compare with current "U" shape passageway, this application is to case and the relative reduction of inside pressure loss.

Drawings

Fig. 1 is an overall structural schematic diagram of an internal motor valve of a low-pressure-loss gas meter in this embodiment 1;

fig. 2 is an exploded schematic view of an internal motor valve of a low-pressure-loss gas meter in the embodiment 1;

fig. 3 is a schematic structural diagram of a square motor, a valve rod assembly and a transmission assembly in the low-pressure-loss gas meter built-in motor valve in the embodiment 1;

FIG. 4 is a schematic structural diagram of the ring gear in FIG. 3;

fig. 5 is a sectional view of the motor valve incorporated in the low-pressure-loss gas meter according to embodiment 1.

Wherein: the valve comprises a valve body, a motor 2, an air outlet connector 3, an air inlet connector 4, a valve cover 5, a valve seat 6, a screw 7, a nut 8, a valve core 9, a gear 10, an inner gear ring 11, a first sealing piece 12, a first transmission lug 13, a transmission ring 14 and a second transmission lug 15.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

Example 1:

as shown in fig. 1-5, the built-in motor valve of low pressure loss gas table that this embodiment discloses, including valve body and motor 2, be equipped with on valve body 1 and give vent to anger and connect 3 and air inlet connector 4, be equipped with the valve rod subassembly that connects 3 and close or open giving vent to anger in valve body 1, be equipped with between valve body 1 and motor 2 and drive the valve rod subassembly and remove the back and guarantee to give vent to anger to connect 3 and air inlet connector 4 intercommunication or the transmission assembly who closes, its characterized in that: the main central axis M1 of valve body 1 sets up for the slope, the one side at valve body 1 is installed with the mode of slope to air inlet connector 4, the first central axis M2 of the joint 3 of giving vent to anger is the slope mode with the main central axis M1 of valve body 1 to guarantee that valve body 1 and the joint 3 of giving vent to anger and air inlet connector 4 are the contained angle cooperation, the air current passageway of giving vent to anger and constituting between joint 3 and the air inlet connector 4 is through passageway.

Preferably, in order to facilitate installation and operation, the valve body 1 comprises a valve cover 5 and a valve seat 6 which are matched with each other, the valve seat 6 is obliquely arranged, the air outlet joint 3 with an outlet facing to the lower part on the left side is arranged below the valve seat 6, the air inlet joint 4 with an opening facing to the upper part on the right side is arranged on the right side of the valve seat 6, the motor 2 is arranged above the valve seat 6, and the air outlet joint 3 and the air inlet joint 4 are oppositely arranged.

Preferably, in order to facilitate internal operation, the valve rod assembly comprises a screw rod 7 and a nut 8 which are arranged in the valve body 1, the screw rod 7 is in threaded fit with the nut 8, one end of the screw rod 7 is connected with a valve core 9 matched with an upper end opening of the air outlet connector 3, the transmission assembly comprises a gear 10 connected to an output shaft of the motor 2 and an inner gear ring 11 meshed with the gear 10, and the inner gear ring 11 is in transmission connection with the other end of the screw rod 7.

Preferably, a first sealing member 12 is disposed between the valve seat 6 and the valve cover 5 to improve the sealing effect, and the nut 8 is threaded to the screw 7 after penetrating through the first sealing member 12.

Preferably, for convenience of operation, a first transmission protrusion 13 protrudes from the inner gear ring 11, a transmission ring 14 is arranged on the screw 7, and second transmission protrusions 15 which can be matched with the first transmission protrusion 13 after rotating are circumferentially distributed on the transmission ring 14. When the valve core opening and closing device works, the gear 10 is driven by the motor 2 to rotate and synchronously drive the inner gear ring 11 to rotate, the first transmission lug 13 is driven to rotate and slowly abut against the second transmission lug 15 on the transmission ring 14, then the second transmission lug 15 is continuously driven to rotate and synchronously drive the screw 7 below to rotate, so that the screw 7 moves up and down on the nut, the process that the valve core opens or closes the opening of the air outlet connector 3 is realized, and the valve opening or closing effect is realized.

This structure is through setting up the installation area of slope on the valve body, make transmission assembly install in the valve body with the mode of slope, simultaneously, main central axis M1 that corresponds the under shed of valve body is changed into by the mode of current perpendicular to air inlet/gas outlet and is contained angle complex mode with air inlet and gas outlet, like this, guarantee that the screw rod is also the setting of slope in the valve body just, like this, make and formed the air current passageway that is close to the through in the valve body, make air current passageway not influenced when the transmission, compare with current "U" shape passageway, this application is to the relative reduction of case and inside pressure loss.

Of course, the above is only a specific application example of the present invention, and the protection scope of the present invention is not limited at all. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. The utility model provides a low pressure loss gas table built-in motor valve, includes valve body (1) and motor (2), is equipped with on valve body (1) and gives vent to anger and connects (3) and air inlet connector (4), is equipped with the valve rod subassembly that connects (3) to close or open giving vent to anger in valve body (1), is equipped with between valve body (1) and motor (2) and drives the valve rod subassembly and remove the back and guarantee to give vent to anger and connect (3) and air inlet connector (4) intercommunication or the transmission assembly who closes, its characterized in that: the main central axis (M1) of valve body (1) sets up for the slope, the one side at valve body (1) is installed with the mode of slope in air inlet connector (4), the first central axis (M2) of joint (3) of giving vent to anger is the slope mode with main central axis (M1) of valve body (1) to guarantee that valve body (1) and air outlet connector (3) and air inlet connector (4) are the contained angle cooperation, the air current passageway that constitutes between air outlet connector (3) and the air inlet connector (4) is through channel.

2. The internal motor valve of the low-pressure-loss gas meter as claimed in claim 1, wherein: valve body (1) including valve gap (5) and disk seat (6) of mutually supporting, disk seat (6) slope sets up, and is equipped with the export below towards the left side below in the below of disk seat (6) give vent to anger and connect (3), the right side of disk seat (6) is equipped with the opening and towards the right side top air inlet connector (4), motor (2) arrange the top of disk seat (6) in, give vent to anger and connect (3) and air inlet connector's (4) opening subtend setting.

3. The internal motor valve of the low-pressure-loss gas meter as claimed in claim 2, wherein: the valve rod assembly comprises a screw rod (7) and a nut (8) which are arranged in a valve body (1), the screw rod (7) is in threaded fit with the nut (8), one end of the screw rod (7) is connected with a valve core (9) matched with an upper end opening of the air outlet connector (3), the transmission assembly comprises a gear (10) connected to an output shaft of the motor (2) and an inner gear ring (11) meshed with the gear (10), and the inner gear ring (11) is in transmission connection with the other end of the screw rod (7).

4. The internal motor valve of the low-pressure-loss gas meter as claimed in claim 3, wherein: a first sealing element (12) is arranged between the valve seat (6) and the valve cover (5), and the nut (8) penetrates through the first sealing element (12) and then is in threaded connection with the screw rod (7).

5. The internal motor valve of the low-pressure-loss gas meter as claimed in claim 3, wherein: the inner gear ring (11) is provided with a first transmission lug (13) in a protruding mode, the screw rod (7) is provided with a transmission ring (14), and second transmission lugs (15) which can be matched with the first transmission lugs (13) after rotating are distributed on the circumference of the transmission ring (14).