CN215059564U - Double-lug butterfly valve - Google Patents

Abstract

The utility model relates to a butterfly valve technical field just discloses a ears formula butterfly valve, the water control valve comprises a valve body, the upper end of valve body is equipped with the tooth's socket, just the equal fixed mounting in bottom both sides of tooth's socket has the connection journal stirrup, the inside interactive installation of valve body has the valve plate, the upper end fixedly connected with valve rod of valve plate, the upper end fixed mounting of valve rod has the handle. This ears formula butterfly valve, there is the tooth's socket through the upper end fixed mounting at the valve body, and the inside of tooth's socket is equipped with gear and motor, and motor fixed mounting is in the inside of valve rod, be convenient for drive the gear through the motor and rotate in the inside of tooth's socket, thereby it overturns in the inside of valve body to promote valve rod and valve plate, the automation of completion device is opened and is closed, and the inside opposite side of valve rod is equipped with the oil storage pipe, the oil storage pipe communicates with the oil circuit, be convenient for carry out the packing of lubricating oil through oil storage pipe and oil circuit to the rotation between valve rod and the valve body, it is inconvenient to avoid the device to rust to use.

Description

Double-lug butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field specifically is a ears formula butterfly valve.

Background

The double-clip butterfly valve uses stud to connect the valve between two pipe flanges, and has simple structure, small volume, light weight, and only consists of a few parts, and can be opened and closed quickly only by rotating 90 degrees, and the operation is simple, and at the same time, the valve has good fluid control characteristic, when the butterfly valve is in the complete opening position, the thickness of the butterfly plate is the only resistance when the medium flows through the valve body, so the pressure drop generated by the valve is very small, so the butterfly valve has better flow control characteristic, the butterfly valve has two sealing types of elastic sealing and metal sealing, the elastic sealing valve, the sealing ring can be embedded on the valve body or attached to the periphery of the butterfly plate. At present, a plurality of lug butterfly valves are manually driven to open and close, so that people are required to arrive at the site when the lug butterfly valves need to be opened or closed, and the opening and closing of the butterfly valves cannot be timely and rapidly controlled.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a double ear formula butterfly valve possesses sealed effectual, the remote control of being convenient for opens the advantage, has solved the problem mentioned among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a double-lug butterfly valve, includes the valve body, the upper end of valve body is equipped with the tooth's socket, just the equal fixed mounting in bottom both sides of tooth's socket has the connection journal stirrup, the inside interactive installation of valve body has the valve plate, the upper end fixedly connected with valve rod of valve plate, the upper end fixed mounting of valve rod has the handle, mounting groove and inlet port have been seted up to the inside of valve plate, just gasbag in the inside fixedly connected with of mounting groove, the inside fixedly connected with intake pipe of inlet port, the front end fixedly connected with of intake pipe is outer gasbag, outer gasbag is installed on the plane of valve plate.

Carefully, the inside movable mounting in upper end of tooth's socket has the gear, gear and tooth's socket insection meshing, just the upper end fixedly connected with motor of gear, motor fixed mounting is in the inside one side of valve rod.

The oil storage pipe is arranged on the other side of the interior of the valve rod, an oil way is fixedly connected to one side of the oil storage pipe, and the oil way is arranged inside the two sides of the valve rod.

Carefully, mounting groove and inlet port are the symmetry and offer the inside both sides at the valve plate, and the middle part does not communicate.

And carefully selecting, wherein the number of the inner air bags and the number of the outer air bags are two, and the two inner air bags and the two outer air bags are symmetrically arranged on two sides of the valve plate.

And the oil path is an E-shaped through hole and is positioned on the contact surface of the valve rod and the tooth socket.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this ears formula butterfly valve, there is the tooth's socket through the upper end fixed mounting at the valve body, and the inside of tooth's socket is equipped with gear and motor, and motor fixed mounting is in the inside of valve rod, be convenient for drive the gear through the motor and rotate in the inside of tooth's socket, thereby it overturns in the inside of valve body to promote valve rod and valve plate, the automation of completion device is opened and is closed, and the inside opposite side of valve rod is equipped with the oil storage pipe, the oil storage pipe communicates with the oil circuit, be convenient for carry out the packing of lubricating oil through oil storage pipe and oil circuit to the rotation between valve rod and the valve body, it is inconvenient to avoid the device to rust to use.

2. This double ear formula butterfly valve, through inside interior gasbag and the outer gasbag of being equipped with in the side at the valve plate, the in-process that inside gas or the liquid of pipeline carry out the impact to the valve plate in one side, extrude outer gasbag, make the inside gas of outer gasbag inside gush to inside gasbag, make interior gasbag inflation, increase the joint density and the sealed degree of valve plate and valve body inner wall, avoid the device to appear leaking, and interior gasbag is the side of resilient mounting at the valve plate, with the rotation in-process of valve body reduce the friction between valve plate and the valve body, avoid the edge of valve plate to appear wearing and tearing the device leakproofness variation that causes, extension fixture's service life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is an exploded view of the present invention;

fig. 4 is the valve plate explosion diagram of the present invention.

In the figure: 1. a valve body; 2. a valve stem; 3. a handle; 4. a valve plate; 5. a tooth socket; 6. a gear; 7. a motor; 8. an oil storage tube; 9. an oil path; 10. mounting grooves; 11. an inner airbag; 12. an air inlet; 13. an outer bladder; 14. an air inlet pipe; 15. and connecting the support lug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-4, a double-lug butterfly valve comprises a valve body 1, a tooth groove 5 is arranged at the upper end of the valve body 1, a gear 6 is movably arranged inside the upper end of the tooth groove 5, the gear 6 is meshed with the tooth groove 5 in a tooth pattern manner, a motor 7 is fixedly connected to the upper end of the gear 6, the motor 7 is fixedly arranged on one side inside a valve rod 2, the gear 6 rotates along the tooth groove 5 to drive the valve rod 2 and the valve plate 4 to turn over, so that the valve plate 4 is opened and closed inside the valve body 1, manual field operation is avoided, manpower is saved, and the device is convenient to use quickly, connecting lugs 15 are fixedly arranged on two sides of the bottom of the tooth groove 5, the valve plate 4 is interactively arranged inside the valve body 1, the valve rod 2 is fixedly connected to the upper end of the valve plate 4, an oil storage pipe 8 is arranged on the other side inside the valve rod 2, an oil passage 9 is fixedly connected to one side of the oil storage pipe 8, and the oil passage 9 is arranged inside two sides of the valve rod 2, the oil storage pipe 8 and the oil path 9 are arranged to facilitate the addition of lubricating liquid for the rotation of the valve rod 2, prevent the valve rod 2 from rusting and blocking after long-term use, facilitate the smooth use of the device, the oil path 9 is an E-shaped through hole, the oil path 9 is positioned on the contact surface of the valve rod 2 and the tooth socket 5, the oil path 9 is uniformly arranged to uniformly supplement the lubricating oil for the inside of the valve rod 2, facilitate the stable use of the device, the handle 3 is fixedly arranged at the upper end of the valve rod 2, the valve plate 4 is internally provided with the mounting groove 10 and the air inlet 12, the mounting groove 10 and the air inlet 12 are symmetrically arranged at two sides of the valve plate 4, the middle parts are not communicated, the mounting groove 10 and the air inlet 12 are arranged on the surfaces of two sides of the valve plate 4, the mounting groove 10 is arranged inside the mounting groove 10, facilitate the full utilization of the pressure brought by the materials at two sides of the valve plate 4, the mounting groove 10 is inflated by the outer air bag 13, increase the sealed effect of valve plate 4, and gasbag 11 in the inside fixedly connected with of mounting groove 10, the inside fixedly connected with intake pipe 14 of intake port 12, the front end fixedly connected with of intake pipe 14 has outer gasbag 13, interior gasbag 11, the quantity of outer gasbag 13 is two, the both sides at valve plate 4 are installed to two interior gasbags 11 and outer gasbag 13 symmetries, the border position at valve plate 4 is installed to interior gasbag 11 and outer gasbag 13, direct inner wall with valve body 1 contacts, reduce the friction between valve plate 4 and the valve body 1 with the rotation in-process of valve body 1, the device leakproofness variation that the edge of avoiding valve plate 4 appears wearing and tearing and causes, extension fixture's service life, install on the plane of valve plate 4 outside gasbag 13.

The working principle is as follows: the device is when using, carry out flange joint with the both sides of valve body 1 and pipeline, afterwards, motor 7 drives gear 6 and rotates, make handle 3 and valve rod 2 rotate along tooth's socket 5, or manual turning handle 3 drives valve rod 2 and valve plate 4 and rotates in the inside of valve body 1, communicate or be closed with valve body 1 department, and under the device closure state, the in-process that inside gas or liquid of pipeline carried out the impact to valve plate 4 when one side, extrude outer gasbag 13, make the inside gas of outer gasbag 13 inside gush into to inside gasbag 11, make interior gasbag 11 inflation, increase the coupling density and the sealed degree of valve plate 4 and 1 inner wall of valve body, can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A binaural butterfly valve, comprising a valve body (1), characterized in that: the upper end of valve body (1) is equipped with tooth's socket (5), just the equal fixed mounting in bottom both sides of tooth's socket (5) has connection journal stirrup (15), valve plate (4) are installed in the inside interaction of valve body (1), upper end fixedly connected with valve rod (2) of valve plate (4), the upper end fixed mounting of valve rod (2) has handle (3), mounting groove (10) and inlet port (12) have been seted up to the inside of valve plate (4), just gasbag (11) in the inside fixedly connected with of mounting groove (10), inside fixedly connected with intake pipe (14) of inlet port (12), the front end fixedly connected with of intake pipe (14) is outer gasbag (13), install on the plane of valve plate (4) outside gasbag (13).

2. A binaural butterfly valve according to claim 1, characterised in that: the internal movable mounting in upper end of tooth's socket (5) has gear (6), gear (6) and tooth's socket (5) insection meshing, just the upper end fixedly connected with motor (7) of gear (6), motor (7) fixed mounting is in inside one side of valve rod (2).

3. A binaural butterfly valve according to claim 1, characterised in that: oil storage pipe (8) have been seted up to the inside opposite side of valve rod (2), one side fixedly connected with oil circuit (9) of oil storage pipe (8), oil circuit (9) are seted up inside the both sides of valve rod (2).

4. A binaural butterfly valve according to claim 1, characterised in that: the mounting groove (10) and the air inlet hole (12) are symmetrically arranged on two sides of the interior of the valve plate (4), and the middle parts of the mounting groove and the air inlet hole are not communicated.

5. A binaural butterfly valve according to claim 1, characterised in that: the number of the inner air bags (11) and the number of the outer air bags (13) are two, and the inner air bags (11) and the outer air bags (13) are symmetrically arranged on two sides of the valve plate (4).

6. A binaural butterfly valve according to claim 3, characterised in that: the oil path (9) is an E-shaped through hole, and the oil path (9) is positioned on the contact surface of the valve rod (2) and the tooth groove (5).

Images