CN217927390U - Valve opening and closing structure - Google Patents

Abstract

The utility model discloses a valve opening and closing structure, which comprises a valve body, a valve rod and a valve plate, wherein one end of a group of connecting rods is welded with a second bevel gear, the other end of the connecting rods is provided with a first square groove, and a first square shaft is welded and fixed on a rotating rod; through the setting of motor and first square shaft, through mounting panel and locating lever cooperation, thereby remove the motor, when removing the motor, can make first square shaft peg graft in first square inslot, through the motor, the bull stick, first square shaft, first square groove, the connecting rod, second bevel gear and the cooperation of first bevel gear, thereby can drive valve rod and valve plate rotation, and then steerable valve is opened and close, thereby prevent to influence the normal use of valve, through the setting of motor and first square shaft, then can be when control flap carries out the drive mechanism who opens and close damages, the reserve drive mechanism control flap of accessible opens and close, thereby prevent to influence the normal use of valve.

Description

Valve opening and closing structure

Technical Field

The utility model relates to the technical field of valves, specifically be a structure is opened and close to valve.

Background

In the prior art, when the control valve is opened and closed, a standby control valve opening and closing mechanism is lacked, when the control valve is required to be opened and closed, if a transmission mechanism for opening and closing the control valve is damaged, the valve cannot be opened and closed, so that the normal use of the valve is influenced, and therefore a valve opening and closing structure is required to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure is opened and close to valve can take place to damage at the drive mechanism that control flap opened and close, and the reserve drive mechanism control flap of accessible is opened and close to prevent to influence the normal use of valve, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a valve opening and closing structure comprises a valve body, a valve rod and a valve plate, wherein the valve rod is rotatably installed in the valve body, the valve plate is fixedly connected to the valve rod, a protective shell is fixedly installed at the top of the valve body, the upper end of the valve rod is rotatably installed in the protective shell, a first bevel gear is fixedly welded at the upper end of the valve rod, connecting rods are rotatably installed on two sides of the protective shell, a second bevel gear is welded at one end of one group of the connecting rods, the first bevel gear is meshed with the second bevel gear, and a first square groove is formed in the other end of each connecting rod;

the lateral part fixed mounting of protecting crust has first installation shell, be provided with second drive mechanism in the first installation shell, second drive mechanism includes locating lever, mounting panel, motor, bull stick and first square shaft, the locating lever welded fastening is in the protecting crust, mounting panel slidable mounting is on the locating lever, motor fixed mounting is on the mounting panel, the output shaft of motor passes through shaft coupling and bull stick fixed connection, first square shaft welded fastening is on the bull stick.

Preferably, the bottom welded fastening threaded rod of mounting panel, fixed cover is installed to the screw thread on the threaded rod, fixed cover supports tightly in the bottom of mounting panel.

Preferably, one end of the other group of connecting rods is welded with a third bevel gear, the third bevel gear is meshed with the first bevel gear, and the other end of the connecting rods is provided with a second square groove.

Preferably, a second mounting shell is fixedly mounted on the side portion of the valve body, a first transmission mechanism is arranged in the second mounting shell, the first transmission mechanism comprises an insertion rod, a limiting block, a fixing ring, a pushing spring and a second square shaft, and the insertion rod is movably inserted into the side portion of the second mounting shell.

Preferably, the limiting rod is welded and fixed on the inner wall of the second mounting shell, the fixing ring is rotatably mounted on the inserting rod, and the fixing ring is movably inserted on the limiting rod.

Preferably, stopper welded fastening is on the gag lever post, gu fixed ring and stopper laminating, second square shaft welded fastening is at the tip of inserted bar, the promotion spring housing is established on connecting rod and inserted bar.

Preferably, a hand wheel is fixedly mounted at the end part of the inserted link, and a movable door is arranged on the first mounting shell.

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

through the setting of motor and first square shaft, when control flap carries out the drive mechanism who opens and close and takes place to damage, cooperate through mounting panel and locating lever, thereby remove the motor, when removing the motor, can make first square shaft peg graft in first square inslot, through the motor, the bull stick, first square shaft, first square groove, the connecting rod, second conical gear cooperatees with first conical gear, thereby can drive valve rod and valve plate and rotate, and then steerable valve is opened and close, thereby prevent to influence the normal use of valve, through the setting of motor and first square shaft, then can be when control flap carries out the drive mechanism who opens and close and takes place to damage, the reserve drive mechanism control flap of accessible opens and close, thereby prevent to influence the normal use of valve.

Drawings

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

fig. 2 is a schematic perspective view of the present invention;

FIG. 3 is a partial schematic structural view of the present invention;

FIG. 4 is an enlarged schematic view of the area A in FIG. 3 according to the present invention;

fig. 5 is an enlarged schematic structural view of the area B in fig. 3 according to the present invention.

In the figure: 1. a valve body; 2. a valve stem; 3. a valve plate; 4. a protective shell; 5. a first bevel gear; 6. a connecting rod; 7. a second bevel gear; 8. a first square groove; 9. a second square groove; 10. a first mounting case; 11. positioning a rod; 12. mounting a plate; 13. a motor; 14. a rotating rod; 15. a first square shaft; 16. a third bevel gear; 17. a threaded rod; 18. fixing a sleeve; 19. a second mounting case; 20. inserting a rod; 21. a limiting rod; 22. a limiting block; 23. a fixing ring; 24. a push spring; 25. a second square axis.

Detailed Description

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, may be used solely for convenience in reference to the figures and to aid in describing the invention, and are not intended to limit the invention.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a valve opening and closing structure comprises a valve body 1, a valve rod 2 and a valve plate 3, wherein the valve rod 2 is rotatably installed in the valve body 1, the valve plate 3 is fixedly connected onto the valve rod 2, a protective shell 4 is fixedly installed at the top of the valve body 1, the upper end of the valve rod 2 is rotatably installed in the protective shell 4, a first bevel gear 5 is fixedly welded at the upper end of the valve rod 2, connecting rods 6 are rotatably installed on two sides of the protective shell 4, a second bevel gear 7 is welded at one end of one group of the connecting rods 6, the first bevel gear 5 is meshed with the second bevel gear 7, and a first square groove 8 is formed in the other end of each connecting rod 6;

a first mounting shell 10 is fixedly mounted on the side portion of the protective shell 4, a second transmission mechanism is arranged in the first mounting shell 10 and comprises a positioning rod 11, a mounting plate 12, a motor 13, a rotating rod 14 and a first square shaft 15, the positioning rod 11 is fixedly welded in the protective shell 4, the mounting plate 12 is slidably mounted on the positioning rod 11, the motor 13 is fixedly mounted on the mounting plate 12, an output shaft of the motor 13 is fixedly connected with the rotating rod 14 through a coupler, the first square shaft 15 is fixedly welded on the rotating rod 14, and a movable door is arranged on the first mounting shell 10;

through the arrangement of the positioning rod 11, when the mounting plate 12 is pushed to move, the mounting plate 12 can be limited through the positioning rod 11, and meanwhile, the mounting plate 12 can move stably;

a threaded rod 17 is fixedly welded at the bottom of the mounting plate 12, a fixing sleeve 18 is arranged on the threaded rod 17 in a threaded manner, and the fixing sleeve 18 abuts against the bottom of the mounting plate 12;

through the arrangement of the threaded rod 17, the fixed sleeve 18 is matched with the threaded rod 17, and the fixed sleeve 18 is screwed down, so that the fixed sleeve 18 is abutted against the bottom of the protective shell 4, and the mounting plate 12 and the motor 13 can be fixed;

one end of the other group of connecting rods 6 is welded with a third bevel gear 16, the third bevel gear 16 is meshed with a first bevel gear 5, the other end of each connecting rod 6 is provided with a second square groove 9, the side part of the valve body 1 is fixedly provided with a second mounting shell 19, a first transmission mechanism is arranged in the second mounting shell 19 and comprises an inserting rod 20, a limiting rod 21, a limiting block 22, a fixing ring 23, a pushing spring 24 and a second square shaft 25, the inserting rod 20 is movably inserted into the side part of the second mounting shell 19, the limiting rod 21 is fixedly welded on the inner wall of the second mounting shell 19, the fixing ring 23 is rotatably arranged on the inserting rod 20, the fixing ring 23 is movably inserted into the limiting rod 21, the limiting block 22 is fixedly welded on the limiting block 21, the fixing ring 23 is attached to the limiting block 22, the second square shaft 25 is fixedly welded on the end part of the inserting rod 20, the pushing spring 24 is sleeved on the connecting rods 6 and 20, and the end part of the inserting rod 20 is fixedly provided with a hand wheel;

in the specific using process, when the valve is required to be controlled to be opened and closed, the valve is controlled to be opened and closed through the first transmission mechanism, the inserting rod 20 is moved by pushing the hand wheel, the second square shaft 25 can be inserted into the second square groove 9 when the inserting rod 20 moves, the fixing ring 23 is driven to move when the inserting rod 20 moves, the fixing ring 23 extrudes the pushing spring 24, the connecting rod 6 and the third bevel gear 16 are driven to rotate by rotating the hand wheel after the second square shaft 25 is inserted into the second square groove 9, the first bevel gear 5 is driven to rotate when the first bevel gear 5 rotates, the valve plate 3 can be driven to rotate through the valve rod 2 when the inserting rod 20 rotates, the valve can be controlled to be opened and closed, the hand wheel is loosened to push the spring 24 to push the valve 23 to open the valve, and the second square shaft 20 can be opened and closed by mistake, and the hand wheel can be prevented from colliding with the hand wheel after the hand wheel is opened and closed;

when damage occurs to the first transmission mechanism and the valve cannot be controlled to open and close, the valve can be controlled to open and close through the second transmission mechanism, the front movable door of the first installation shell 10 is opened, then the fixing sleeve 18 is unscrewed, the fixing sleeve 18 can be abutted against the first installation shell 10 and can be eliminated, the installation plate 12 can move in the first installation shell 10, the first square shaft 15 can be inserted into the first square groove 8 by pushing the installation plate 12 to move on the positioning rod 11, the first square shaft 15 can be inserted into the first square groove 8, after the first square shaft 15 is inserted into the first square groove 8, the fixing sleeve 18 can be screwed, so that the fixing sleeve 18 is abutted against the bottom of the first installation shell 10 again, the fixing sleeve 18 is matched with the threaded rod 17 to fix the installation plate 12 and the motor 13, the motor 13 works, the output shaft of the motor 13 rotates to drive the rotating rod 14 to rotate, when the rotating rod 14 rotates, the connecting rod 6 is matched with the second bevel gear 7 to rotate, when the second bevel gear 7 rotates, the first bevel gear 5 rotates, the valve rod 5 can be controlled to rotate through the first bevel gear 3, and the valve plate can be controlled to open and close.

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 (7)

1. The utility model provides a structure is opened and close to valve, includes valve body (1), valve rod (2) and valve plate (3), valve rod (2) are rotated and are installed in valve body (1), valve plate (3) fixed connection is on valve rod (2), its characterized in that: a protective shell (4) is fixedly installed at the top of the valve body (1), the upper end of the valve rod (2) is rotatably installed in the protective shell (4), a first bevel gear (5) is fixedly welded at the upper end of the valve rod (2), connecting rods (6) are rotatably installed on two sides of the protective shell (4), a second bevel gear (7) is welded at one end of one group of the connecting rods (6), the first bevel gear (5) is meshed with the second bevel gear (7), and a first square groove (8) is formed in the other end of each connecting rod (6);

the side part of the protective shell (4) is fixedly provided with a first mounting shell (10), a second transmission mechanism is arranged in the first mounting shell (10), the second transmission mechanism comprises a positioning rod (11), a mounting plate (12), a motor (13), a rotating rod (14) and a first square shaft (15), the positioning rod (11) is fixedly welded in the protective shell (4), the mounting plate (12) is slidably mounted on the positioning rod (11), the motor (13) is fixedly mounted on the mounting plate (12), an output shaft of the motor (13) is fixedly connected with the rotating rod (14) through a coupler, and the first square shaft (15) is fixedly welded on the rotating rod (14).

2. A valve opening and closing structure according to claim 1, wherein: the bottom welded fastening threaded rod (17) of mounting panel (12), fixed cover (18) are installed to the screw thread on threaded rod (17), fixed cover (18) support tightly in the bottom of mounting panel (12).

3. A valve opening and closing structure according to claim 1, wherein: and one end of the other group of connecting rods (6) is welded with a third bevel gear (16), the third bevel gear (16) is meshed with the first bevel gear (5), and the other end of each connecting rod (6) is provided with a second square groove (9).

4. A valve opening and closing structure according to claim 3, wherein: a second mounting shell (19) is fixedly mounted on the side portion of the valve body (1), a first transmission mechanism is arranged in the second mounting shell (19), the first transmission mechanism comprises an insertion rod (20), a limiting rod (21), a limiting block (22), a fixing ring (23), a pushing spring (24) and a second square shaft (25), and the insertion rod (20) is movably inserted into the side portion of the second mounting shell (19).

5. The opening and closing structure of a valve according to claim 4, wherein: the limiting rod (21) is welded and fixed on the inner wall of the second mounting shell (19), the fixing ring (23) is rotatably mounted on the inserting rod (20), and the fixing ring (23) is movably inserted into the limiting rod (21).

6. The opening and closing structure of a valve according to claim 5, wherein: stopper (22) welded fastening is on gag lever post (21), gu fixed ring (23) laminates with stopper (22), second square shaft (25) welded fastening is at the tip of inserted bar (20), push spring (24) cover is established on connecting rod (6) and inserted bar (20).

7. The opening and closing structure of a valve according to claim 6, wherein: the hand wheel is fixedly installed at the end part of the inserted rod (20), and a movable door is arranged on the first installation shell (10).

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