CN218818483U

CN218818483U - Electric stop valve

Info

Publication number: CN218818483U
Application number: CN202320053867.8U
Authority: CN
Inventors: 钟日宇
Original assignee: Yuhuan Yixin Copper Industry Co ltd
Current assignee: Yuhuan Yixin Copper Industry Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-04-07
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses an electric stop valve, including the valve body, valve body top fixedly connected with fixed link rod, fixed link rod top fixedly connected with box, box top fixedly connected with switch hand wheel, the explosion-proof shell of the outside fixedly connected with of box, the built-in gear box of the inside fixedly connected with of box. This electric stop valve disposes electric actuator on the valve body, come control switch, adjust or at remote control switch, be applicable to each occasion, along with the more and more factory of modern industrial development or engineering all selected the automatic control mode of industrialization, it is higher to have mechanical degree of automation, can bigger degree reduce in the production process human cost's advantage, the degree of mechanization height means mechanical degree of accuracy is higher simultaneously, work efficiency is improved, explosion-proof shell is installed to this electric stop valve box periphery simultaneously, service life is effectively improved.

Description

Electric stop valve

Technical Field

The utility model belongs to the technical field of the valve is made, in particular to electric stop valve.

Background

The electric stop valve and the flange gate valve belong to the same type of valve and consist of an electric actuating mechanism or a pneumatic actuating mechanism and a stop valve, and the difference is that a closing part of the electric stop valve and the flange gate valve is a valve body which rotates around the central line of the valve body to open and close.

At present, the global hydrogen energy industry is in an accelerated development stage, liquid hydrogen storage and transportation can greatly reduce the cost in a vehicle-mounted low-temperature liquid gas supply system, such as an LNG vehicle-mounted gas supply system, liquid hydrogen and the like vehicle-mounted gas supply system, and gradually becomes a development direction for using hydrogen energy.

Disclosure of Invention

The utility model aims at providing an electric stop valve that mechanical automation degree is high, work efficiency is high to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an electric stop valve, includes the valve body, valve body top fixedly connected with fixed link, fixed link top fixedly connected with box, box top fixedly connected with switch hand wheel.

The valve body is provided with the electric actuator to control the switch, adjust or remotely control the switch, is suitable for various occasions, has the advantages of higher mechanical automation degree and capability of reducing the labor cost in the production process to a greater extent, and simultaneously, the high mechanical degree means higher mechanical accuracy and improves the working efficiency.

In the electric stop valve, the middle part of the valve body is fixedly connected with a fixing nut gasket through a bolt, and the inside of the valve body is fixedly connected with a sealing ring. The sealing performance in the valve body is ensured to a greater degree by fixing the nut gasket and the sealing ring, so that a medium in the valve body can better move according to a set program, and the working stability is good.

In the electric stop valve, the stop valve rod is fixedly connected to the upper portion of the valve body, the stop valve bonnet is fixedly connected to the bottom of the stop valve rod, and the pre-tightening nut is fixedly connected to the upper portion of the stop valve bonnet. Utilize stop valve rod torsion to give a downward pressure of stop valve gap, rely on stop valve rod pressure, make valve clack sealing washer and stop valve gap closely laminate, prevent the inflow of medium or be used for adjusting the velocity of flow of medium, guarantee that this electric stop valve can normally work for a long time.

In the electric stop valve, the explosion-proof shell is fixedly connected to the outside of the box body, and the built-in gear box is fixedly connected to the inside of the box body. The explosion-proof shell is installed to the box periphery, has improved the intensity of box, strengthens its adaptability to external environment, has effectively improved life, and built-in gear box then provides power for this electric stop valve can normally work.

In the electric stop valve, the dust plug is fixedly connected to the rear of the box body, and the hand cranking device is fixedly connected to the rear of the box body. The dustproof plug can further guarantee the inside environment of box, can regard as the contact bridge of hand cranking device and box simultaneously, and hand cranking device then provides as reserve second kind and opens or close the mode for this electric stop valve.

In the electric stop valve, the opening display screen is fixedly connected in front of the box body, and the safety screw is fixedly connected to the outer side of the box body. The inside behavior of this electric stop valve can make things convenient for the staff to determine by the aperture display screen, makes things convenient for the staff to carry out electric control better, and the installation of safety screw can be more inseparable with the connection of explosion-proof shell and box, further improves this electric stop valve's structural strength.

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

1. this electric stop valve comes control switch through configuration electric actuator on the valve body, adjusts or at remote control switch, is applicable to each occasion, and it is higher to have mechanical degree of automation, can the bigger advantage that reduces human cost in the production process, and the degree of mechanization height simultaneously means that mechanical degree of accuracy is higher, has improved work efficiency.

2. This electric stop valve installs explosion-proof shell through the box periphery, has improved the intensity of box, strengthens its adaptability to external environment, has effectively improved life, and built-in gear box of interior installation then provides power for this electric stop valve can normally work.

Drawings

Fig. 1 is a schematic perspective view of the present electric shutoff valve.

Fig. 2 is a schematic front view of the electric shutoff valve.

Fig. 3 is a rear view schematic diagram of the electric stop valve.

Fig. 4 is a partial structural schematic diagram of the present electric shutoff valve.

In the figure, 1, a nut washer is fixed; 2. a fixed connecting rod; 3. a built-in gear box; 4. a safety screw; 5. an opening display screen; 6. a dust plug; 7. a hand-cranking device; 8. an explosion-proof housing; 9. a valve body; 10. a seal ring; 11. a stop valve stem; 12. a stop valve cover; 13. pre-tightening the nut; 14. opening and closing a hand wheel; 15. and (4) a box body.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the electric stop valve includes a valve body 9, a fixed connection rod 2 is fixedly connected above the valve body 9, a box body 15 is fixedly connected above the fixed connection rod 2, a switch hand wheel 14 is fixedly connected above the box body 15, a fixing nut gasket 1 is fixedly connected in the middle of the valve body 9 through a bolt, a sealing ring 10 is fixedly connected inside the valve body 9, an electric actuator is configured on the valve body 9 to control a switch, and the switch is adjusted or remotely controlled, and the electric stop valve is suitable for various occasions, and has the advantages of higher mechanical automation degree, greatly reducing the labor cost in the production process, meanwhile, the high mechanical degree means higher mechanical accuracy, and improves the work efficiency, the fixing nut gasket 1 and the sealing ring 10 ensure the tightness inside of the valve body 9 to a greater degree, so that the water flow inside the valve body 9 can better move according to a set program, and the work stability is good.

In detail, the electric stop valve comprises a valve body 9, a stop valve rod 11 is fixedly connected above the valve body 9, a stop valve cover 12 is fixedly connected at the bottom of the stop valve rod 11, a pretightening nut 13 is fixedly connected above the stop valve cover 12, an explosion-proof shell 8 is fixedly connected outside a box body 15, a built-in gear box 3 is fixedly connected inside the box body 15, a downward pressure is applied to the stop valve cover 12 by the torsion of the stop valve rod 11, the pressure depends on the stop valve rod 11, make valve clack sealing washer 10 and stop valve gap 12 closely laminate, prevent the inflow of medium or be used for adjusting the velocity of flow of medium, guarantee that this electric stop valve can normally work, explosion-proof shell 8 is installed to 15 peripheries of box, has improved the intensity of box 15, strengthens its adaptability to external environment, has effectively improved life, and built-in gear box 3 then provides power for this electric stop valve can normally work.

This electric stop valve includes box 15, box 15 rear fixedly connected with dust plug 6, box 15 rear fixedly connected with hand cranking device 7, box 15 the place ahead fixedly connected with aperture display screen 5, box 15 outside fixedly connected with safety screw 4, dust plug 6 can further guarantee the inside environment of box 15, can regard as hand cranking device 7 and box 15's contact bridge simultaneously, hand cranking device 7 then provides for this electric stop valve and opens or the mode of closing as reserve second, aperture display screen 5 can make things convenient for the staff to confirm the inside behavior of this electric stop valve, make things convenient for the staff to carry out electric control better, the installation of safety screw 4 can be more inseparable with explosion-proof housing 8 and box 15's connection, further improvement this electric stop valve's structural strength.

The working principle is as follows: the electric stop valve uses the torque force of the stop valve rod 11 to provide downward pressure for the stop valve bonnet 12, and makes the valve clack sealing ring 10 tightly attached to the stop valve bonnet 12 by the pressure of the stop valve rod 11 to prevent the inflow of the medium or adjust the flow rate of the medium, the opening and closing part of the stop valve is a cylindrical valve clack, the stop valve bonnet 12 is a plane or a conical surface, the valve clack moves linearly along the central line of fluid, the motion mode of the stop valve rod 11 is a lifting rod type, the valve rod is lifted, the hand wheel is not lifted, the hand wheel and the valve rod rotate to lift, the fixing nut gasket 1 is arranged on the valve body 9, and when the valve is closed, pressure must be applied to the valve clack to force the stop valve cover 12 not to leak.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. An electric stop valve comprising a valve body (9), characterized in that: valve body (9) top fixedly connected with fixed link (2), fixed link (2) top fixedly connected with box (15), box (15) top fixedly connected with switch hand wheel (14).

2. An electric stop valve according to claim 1, characterized in that: the middle part of the valve body (9) is fixedly connected with a fixing nut gasket (1) through a bolt, and the inside of the valve body (9) is fixedly connected with a sealing ring (10).

3. An electrically operated stop valve according to claim 2, wherein: the stop valve is characterized in that a stop valve rod (11) is fixedly connected to the upper portion of the valve body (9), a stop valve cover (12) is fixedly connected to the bottom of the stop valve rod (11), and a pre-tightening nut (13) is fixedly connected to the upper portion of the stop valve cover (12).

4. An electrically operated stop valve according to claim 3, wherein: the explosion-proof box is characterized in that an explosion-proof shell (8) is fixedly connected to the outer portion of the box body (15), and a built-in gear box (3) is fixedly connected to the inner portion of the box body (15).

5. An electrically operated stop valve according to claim 4, wherein: the dust plug (6) is fixedly connected to the rear of the box body (15), and the hand cranking device (7) is fixedly connected to the rear of the box body (15).

6. An electric stop valve according to claim 5, characterized in that: the opening display screen (5) is fixedly connected in front of the box body (15), and the safety screw (4) is fixedly connected to the outer side of the box body (15).