CN113339573A

CN113339573A - Opening and closing device special for partial rotary valve

Info

Publication number: CN113339573A
Application number: CN202110800509.4A
Authority: CN
Inventors: 赵志杰; 刘广和; 袁七林; 黄志民
Original assignee: Shanghai Biaoyi Valve Co ltd
Current assignee: Shanghai Biaoyi Valve Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-09-03

Abstract

The invention relates to an opening and closing device, in particular to an opening and closing device special for a partial rotary valve. The utility model provides a be exclusively used in headstock gear of part gyration valve, includes valve, drive wrench, be equipped with the positioning disk on the valve, the positioning disk passes through bolted connection with the valve, the positioning disk includes position sleeve, reset spring, locating pin, the position sleeve is inlayed to one side of positioning disk, and the inboard of position sleeve is equipped with the locating pin, and the outer fringe of locating pin is equipped with reset spring, the top of positioning disk is equipped with the drive plate, the top of drive plate is equipped with driving spanner. Compared with the prior art, the positioning disc of the opening and closing device is fixed on the flange plate of the driving device of the valve through the bolts and the nuts, and the anti-theft device is arranged, so that non-professional personnel can be prevented from operating the valve; the device is provided with an indicating disc, and the opening and closing and the opening of the valve can be seen in the using process; the valve has a positioning function and can be fixed in a fully-opened or fully-closed state.

Description

Opening and closing device special for partial rotary valve

Technical Field

The invention relates to an opening and closing device, in particular to an opening and closing device special for a partial rotary valve.

Background

The opening and closing device of the valve is a device specially used for opening and closing the valve and controlling the opening degree of the valve, and can be divided into a multi-rotation opening and closing device and a partial-rotation opening and closing device according to different opening modes of the valve. Part of the rotary opening and closing devices are generally used for controlling valves such as butterfly valves, ball valves, plug valves and the like.

In the process of installing pipelines for urban water supply, sewage treatment and the like, part of valves are installed in a valve well or other positions with narrow space due to the requirements of working conditions, and the valves are generally difficult to open and close manually.

For the problems of narrow installation environment and difficult opening and closing operation of the valve, a proposal is also provided, and an electric or hydraulic device is used as an opening and closing piece to control the opening and closing. However, the scheme also has certain limitations, for example, the electric or hydraulic opening and closing device is large in size, difficult to install in a narrow space, and the service life of the electric and hydraulic opening and closing device is limited. This scheme is not applicable.

We provide a solution to the existing problem.

Disclosure of Invention

In order to solve the technical problem, an embodiment of the invention provides a special opening and closing device for a partial rotary valve, which comprises a valve and a driving wrench, wherein a positioning disc is arranged on the valve and connected with the valve through a bolt, the positioning disc comprises a positioning sleeve, a reset spring and a positioning pin, the positioning sleeve is embedded in one side of the positioning disc, the positioning pin is arranged on the inner side of the positioning sleeve, the reset spring is arranged on the outer edge of the positioning pin, a driving plate is arranged above the positioning disc, a driving square head is arranged in the middle of the driving plate, the driving plate comprises an indicating arrow head, a guide hole and a positioning hole, the indicating arrow head is arranged on the left side of the driving plate, the guide hole is arranged on the right side of the driving plate, the positioning holes are formed in two ends of the guide hole, the driving plate is fixedly connected with the driving square head through welding, a driving wrench is arranged above the driving plate and comprises a wrench buckle, a driving wrench, Spanner locating plate, spanner pole, spanner horizontal pole, the downside of drive spanner is equipped with the spanner buckle, and the right side of spanner buckle is equipped with the spanner locating plate, and the upper end of spanner buckle is equipped with the spanner pole, and the top of spanner pole is equipped with the spanner horizontal pole.

Further, be equipped with the valve rod on the valve, be equipped with the fixed key on the valve rod, the inboard of drive square head is equipped with the keyway, the valve rod passes through fixed key and drive square head key-type connection.

Further, the structure of the wrench buckle is matched with the structure of the driving square head.

Furthermore, the upper side of the wrench rod is provided with a rod hole, and the wrench rod is connected with the wrench cross rod in a sliding manner through the rod hole.

Further, the both ends of spanner horizontal pole are equipped with the arch that prevents the horizontal pole and drop.

Compared with the prior art, the positioning disc of the opening and closing device is fixed on the flange plate of the driving device of the valve through bolts and nuts, the valve rod of the valve is connected with the driving device through a key, the driving device is rotated, and the opening and closing of the valve and the adjustment of the opening degree can be realized through the key and the valve rod. When the positioning disc is rotated, a matched driving wrench is needed, and the connecting part of the driving wrench and the positioning disc is in a special shape, so that the valve cannot be opened or closed under the condition of not using the driving wrench, and the possible harm caused by operating the valve by non-professional personnel can be avoided. The invention is characterized in that the opening and closing control of the valve in the narrow space can be realized; the anti-theft device is arranged, so that the operation of the valve by non-professional personnel can be avoided; the device is provided with an indicating disc, so that the opening and closing and the opening of the valve can be visually seen in the using process; the valve has a positioning function and can be fixed in a fully-opened or fully-closed state.

Drawings

Fig. 1 is a schematic view of the overall structure of an opening and closing device of the present invention, which is specially used for a partial rotary valve.

Fig. 2 is a schematic structural diagram of a positioning plate of an opening and closing device special for a partial rotary valve in the invention.

Fig. 3 is a schematic view of a driving plate structure of an opening and closing device specially used for a partial rotary valve of the present invention.

Fig. 4 is a schematic structural view of a driving wrench of an opening and closing device special for a partial rotary valve of the present invention.

Detailed Description

The invention will now be further described with reference to figures 1, 2, 3 and 4.

Referring to the drawings, the invention is a special opening and closing device for a partial rotary valve, comprising a valve 1 and a driving wrench 2, wherein a positioning disc 3 is arranged on the valve 1, the positioning disc 3 is connected with the valve 1 through a bolt 4, the positioning disc 3 comprises a positioning sleeve 5, a return spring 6 and a positioning pin 7, the positioning sleeve 5 is embedded at one side of the positioning disc 3, the positioning pin 7 is arranged at the inner side of the positioning sleeve 5, the return spring 6 is arranged at the outer edge of the positioning pin 7, a driving plate 8 is arranged above the positioning disc 3, a driving square head 12 is arranged at the middle part of the driving plate 8, the driving plate 8 comprises an indicating arrow 9, a guiding hole 10 and a positioning hole 11, the indicating arrow 9 is arranged at the left side of the driving plate 8, the guiding hole 10 is arranged at the right side of the driving plate 8, the positioning holes 11 are arranged at two ends of the guiding hole 10, and the driving plate 8 is fixedly connected with the driving square head 12 through welding, the top of drive plate 8 is equipped with drive spanner 13, drive spanner 13 includes spanner buckle 17, spanner locating plate 18, spanner pole 19, spanner horizontal pole 20, the downside of drive spanner 13 is equipped with spanner buckle 17, and the right side of spanner buckle 13 is equipped with spanner locating plate 18, and the upper end of spanner buckle 17 is equipped with spanner pole 19, and the top of spanner pole 19 is equipped with spanner horizontal pole 20.

Wherein, be equipped with valve rod 14 on the valve 1, be equipped with fixed key 15 on the valve rod 14, the inboard of drive square head 12 is equipped with keyway 16, valve rod 14 passes through fixed key 15 and the 12 key-type connections of drive square head. The structure of the wrench buckle 17 is matched with the structure of the driving square head 12. The upper side of the wrench rod 19 is provided with a rod hole 21, and the wrench rod 19 is slidably connected with the wrench cross rod 20 through the rod hole 21. The two ends of the wrench cross bar 20 are provided with protrusions 22 for preventing the cross bar from falling off. The wrench buckle 17 is made of carbon steel, and the wrench positioning plate 18, the wrench rod 19 and the wrench cross rod 20 are made of stainless steel. The locating sleeve 5, the reset spring 6 and the locating pin 7 are made of stainless steel, the driving plate 8 is made of stainless steel, and the driving square head 12 is made of carbon steel.

Example (b): the structure of the invention is shown in attached figures 1, 2, 3 and 4.

As shown in fig. 1, a positioning pin 7 and a return spring 6 are arranged on a positioning plate 3, and the positioning plate 3 is fixed on a driving device connecting flange of the valve 1 through a bolt 4. The drive plate 8 and the drive square head 12 are fixed together by welding and then keyed to the valve stem 14. As shown in fig. 3, when the valve 1 is in a fully open or fully closed state, the positioning pin 7 is locked upward in the positioning holes 11 at both ends of the guide hole 10 by the return spring 6, so that the opening and closing member of the valve 1 cannot move. The indication arrow 9 on the driving plate 8 is matched with the switch indication on the positioning plate 3, so that a user can visually observe the opening and closing state of the valve 1.

When the valve 1 needs to be driven, the driving wrench 13 is clamped on the driving square head 12, and simultaneously, the wrench positioning plate 18 on the driving wrench 13 presses the positioning pin 7 to move downwards, so that the positioning plate 3 releases the locking of the driving plate 8. The wrench 13 is driven to push the valve 1 to open and close or control the opening degree of the valve, and as shown in fig. 2 and 3, the open and close state of the valve can be visually observed through indication arrows and 'on-off' indication.

Wherein, drive spanner 13 includes spanner buckle 17, spanner locating plate 18, spanner pole 19, spanner horizontal pole 20, drive spanner 13's downside is equipped with spanner buckle 17, and spanner buckle 13's right side is equipped with spanner locating plate 18, and spanner buckle 17's upper end is equipped with spanner pole 19, and spanner pole 19's top is equipped with spanner horizontal pole 20. The structure of the wrench buckle 17 is matched with the structure of the driving square head 12. The upper side of the wrench rod 19 is provided with a rod hole 21, and the wrench rod 19 is slidably connected with the wrench cross rod 20 through the rod hole 21. The two ends of the wrench cross rod 20 are provided with the bulges 22 for preventing the cross rod from falling off, and the design can adjust the force arm length of the wrench cross rod 20 according to the space, thereby being convenient and practical.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.

Claims

1. The utility model provides a headstock gear of part gyration valve is exclusively used in, includes valve (1), drive wrench (2), its characterized in that: the valve is characterized in that a positioning disc (3) is arranged on the valve (1), the positioning disc (3) is connected with the valve (1) through a bolt (4), the positioning disc (3) comprises a positioning sleeve (5), a reset spring (6) and a positioning pin (7), the positioning sleeve (5) is embedded in one side of the positioning disc (3), the positioning pin (7) is arranged on the inner side of the positioning sleeve (5), the reset spring (6) is arranged on the outer edge of the positioning pin (7), a driving plate (8) is arranged above the positioning disc (3), a driving square head (12) is welded in the middle of the driving plate (8), the driving plate (8) comprises an indicating arrow head (9), a guide hole (10) and a positioning hole (11), the left side of the driving plate (8) is an indicating arrow head (9), the right side of the driving plate (8) is provided with the guide hole (10), and the positioning holes (11) are arranged at two ends of the guide hole (10), the top of drive plate (8) is equipped with drive spanner (13), drive spanner (13) are including spanner buckle (17), spanner locating plate (18), spanner pole (19), spanner horizontal pole (20), the downside of drive spanner (13) is equipped with spanner buckle (17), and the right side of spanner buckle (13) is equipped with spanner locating plate (18), and the upper end of spanner buckle (17) is equipped with spanner pole (19), and the top of spanner pole (19) is equipped with spanner horizontal pole (20).

2. The opening and closing device special for the partially-rotating valve as claimed in claim 1, wherein: be equipped with valve rod (14) on valve (1), be equipped with fixed key (15) on valve rod (14), the inboard of drive square head (12) is equipped with keyway (16), valve rod (14) are connected with drive square head (12) key through fixed key (15).

3. The opening and closing device special for the partially-rotating valve as claimed in claim 1, wherein: the structure of the wrench buckle (17) is matched with the structure of the driving square head (12).

4. The opening and closing device special for the partially-rotating valve as claimed in claim 1, wherein: the upper side of the wrench rod (19) is provided with a rod hole (21), and the wrench rod (19) is connected with the wrench cross rod (20) in a sliding mode through the rod hole (21).

5. The opening and closing device special for the partially-rotating valve as claimed in claim 1, wherein: the two ends of the wrench cross bar (20) are provided with bulges (22) for preventing the cross bar from falling off.

6. The opening and closing device special for the partially-rotating valve as claimed in claim 1, wherein: the wrench buckle (17) is made of carbon steel, and the wrench positioning plate (18), the wrench rod (19) and the wrench cross rod (20) are made of stainless steel.

7. The opening and closing device special for the partially-rotating valve as claimed in claim 1, wherein: the positioning sleeve (5), the reset spring (6) and the positioning pin (7) are made of stainless steel, the driving plate (8) is made of stainless steel, and the driving square head (12) is made of carbon steel.