CN219472754U

CN219472754U - Electric butterfly valve with safety locking structure

Info

Publication number: CN219472754U
Application number: CN202222734132.XU
Authority: CN
Inventors: 林黎明
Original assignee: Best Technology Tianjin Co ltd
Current assignee: Best Technology Tianjin Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-08-04
Anticipated expiration: 2032-10-17

Abstract

The utility model relates to the technical field of electric butterfly valves, in particular to an electric butterfly valve with a safety locking structure. According to the utility model, the transmission shaft is inserted into the cross groove in the disc by arranging the cross groove and the cross bar, the cross bar in the middle of the transmission shaft is in butt joint with the cross groove during splicing, then the lock sleeve is sleeved from the two ends of the transmission shaft until the lock sleeve is clamped on the cross bars at the two sides of the transmission shaft, then the threaded rod is twisted, the threaded rod is twisted from the two ends of the transmission shaft until the threaded rod clamps the lock sleeve outside the two ends of the disc, the horizontal displacement between the transmission shaft and the disc can be prevented by the cross groove and the cross bar, the vertical displacement between the transmission shaft and the disc can be prevented by the threaded rod and the lock sleeve, and after the transmission shaft and the disc are locked, the slipping between the transmission shaft and the disc is prevented, so that the safety of the device in use can be improved.

Description

Electric butterfly valve with safety locking structure

Technical Field

The utility model relates to the technical field of electric butterfly valves, in particular to an electric butterfly valve with a safe locking structure.

Background

The electric butterfly valve belongs to one variety among electric valve and the electric control valve, and electric butterfly valve connected mode mainly has flange formula and butt clamp formula, and electric butterfly valve sealed form mainly has rubber seal and metal seal, and electric butterfly valve passes through the switch that power signal controlled the butterfly valve, and this product can be used as piping system's trip valve, control valve and check valve, and subsidiary manual control device once power failure appears, can temporarily manual operation, is unlikely to influence the use.

The electric butterfly valve as disclosed in the grant publication No. CN207777641U, although realizing that when in use, the pipe to be connected is inserted into the seal ring, and the distance between the first fixing portion and the second fixing portion is reduced by the bolt, so that the inner ring body slides along the side wall of the outer ring body, and the seal ring is extruded, so that the seal ring seals the pipe to be connected; meanwhile, when the electric butterfly valve is used for a plurality of times, after the sealing between the valve plate and the sealing ring is deteriorated, the bolt is screwed up, so that the radial dimension of the sealing ring can be reduced, good sealing is formed again, the service life of the butterfly valve is prolonged, but the problem that the existing electric butterfly valve slips after being worn between the actuator transmission shaft and the disk after being used for a long time is not solved, and therefore, the electric butterfly valve with the safety locking structure is provided.

Disclosure of Invention

The utility model aims to provide an electric butterfly valve with a safety locking structure, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an electric butterfly valve with a safety locking structure, the electric butterfly valve with the safety locking structure comprises

The valve body is movably provided with a transmission shaft between the top end and the bottom end of the valve body through a mechanical seal, and the middle part of the transmission shaft is sleeved with a disc;

the cross groove is formed in the inner side of the middle of the disc, the cross bar is arranged on the outer side of the middle of the transmission shaft, and the cross bar is clamped with the cross groove.

Preferably, the two ends of the transmission shaft, which are close to the disc, are fixedly connected with threaded rods, the outer parts of the threaded rods at the two ends are respectively connected with nut sleeves in a threaded manner, a lock sleeve is sleeved between the cross bars and the threaded rods, and the lock sleeve is clamped with the cross bars;

preferably, threaded holes are formed in the outer ring positions of the two sides of the disc, sealing rings are arranged on the surfaces of the two sides of the disc, and screws are connected between the sealing rings and the threaded holes in a threaded manner;

preferably, the two ends of the valve body are fixedly connected with flanges, annular grooves are formed in the outer ring of one side, far away from the valve body, of the flanges at the two ends, and annular rings are sleeved in the annular grooves;

preferably, a rod sleeve is fixedly connected to the middle of the top end of the valve body, actuator components are fixedly installed on the top ends of the rod sleeves, and the top ends of the transmission shafts penetrate through the rod sleeve to be fixedly connected with the actuator components;

preferably, the outer ring of the flange at both ends is provided with a plurality of mounting holes in a penetrating way;

preferably, the annular ring is made of rubber.

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

1. this electric butterfly valve with safe locking structure inserts the transmission shaft in the cross groove in the dish through setting up cross groove and cross strip, cross strip and cross groove butt joint in the middle part of the transmission shaft when pegging graft, then embolia the lock sleeve from the both ends of transmission shaft, until the lock sleeve joint on the cross strip of transmission shaft both sides, twist the threaded rod afterwards, twist into the threaded rod from the both ends of transmission shaft, until the threaded rod with the lock sleeve centre gripping outside the both ends of dish, can prevent horizontal displacement between transmission shaft and the dish through cross groove and cross strip, can prevent vertical displacement between transmission shaft and the dish through threaded rod and lock sleeve, lock the back through transmission shaft and dish, thereby prevent taking place the slippage between transmission shaft and the dish, the security when so can improve equipment use.

2. This electric butterfly valve with safe locking structure, through setting up the sealing washer, the outside of dish is provided with the sealing washer, and the sealing washer passes through the outside of screwed connection at the dish, and the output of screw passes sealing washer threaded connection in the screw hole of dish outer ring department, can improve the leakproofness of valve body middle part passageway like this when the dish is closed.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a disk structure according to the present utility model;

FIG. 3 is an enlarged schematic view of the utility model at A in FIG. 1;

fig. 4 is an enlarged schematic view of the present utility model at B in fig. 2.

In the figure: 1. a valve body; 2. a transmission shaft; 3. a disk; 4. a cross groove; 5. cross bars; 6. a threaded rod; 7. a lock sleeve; 8. a threaded hole; 9. a seal ring; 10. a flange; 11. an annular groove; 12. an annular ring; 13. a rod sleeve; 14. an actuator component; 15. a mounting hole; 16. and (5) a nut sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or elements in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-4, the present utility model provides a technical solution:

The valve body 1, the top and bottom of the valve body 1 are movably provided with a transmission shaft 2 through a mechanical seal, and the middle part of the transmission shaft 2 is sleeved with a disc 3;

the cross groove 4 is formed in the inner side of the middle of the disc 3, the cross bar 5 is arranged on the outer side of the middle of the transmission shaft 2, and the cross bar 5 is clamped with the cross groove 4;

through above-mentioned scheme, through setting up cross groove 4 and cross strip 5, insert the cross groove 4 in the dish 3 with transmission shaft 2, cross strip 5 and cross groove 4 butt joint in the middle part of transmission shaft 2 when pegging graft, then embolia lock sleeve 7 from the both ends of transmission shaft 2, until lock sleeve 7 joint on cross strip 5 of transmission shaft 2 both sides, then twist threaded rod 6, twist threaded rod 6 from the both ends of transmission shaft 2 into, until threaded rod 6 with lock sleeve 7 centre gripping outside the both ends of dish 3, can prevent horizontal displacement between transmission shaft 2 and the dish 3 through cross groove 4 and cross strip 5, can prevent vertical displacement between transmission shaft 2 and the dish 3 through threaded rod 6 and lock sleeve 7, lock the back between transmission shaft 2 and the dish 3, thereby prevent taking place the slippage between transmission shaft 2 and the dish 3, the security when so can improve equipment use.

In this embodiment, preferably, two ends of the transmission shaft 2, which are close to the disc 3, are fixedly connected with threaded rods 6, the outer parts of the threaded rods 6 at the two ends are respectively connected with a nut sleeve 16 in a threaded manner, a lock sleeve 7 is sleeved between the cross bar 5 and the threaded rods 6 of the transmission shaft 2, and the lock sleeve 7 is clamped with the cross bar 5;

through the scheme, the lock sleeve 7 is arranged, and the threaded rod 6 and the lock sleeve 7 can prevent the vertical displacement between the transmission shaft 2 and the disc 3;

in this embodiment, preferably, threaded holes 8 are formed at the outer ring positions of two sides of the disc 3, sealing rings 9 are arranged on two side surfaces of the disc 3, and screws are connected between the sealing rings 9 and the threaded holes 8 in a threaded manner;

through the scheme, the sealing ring 9 is arranged outside the disc 3, the sealing ring 9 is connected to the outside of the disc 3 through the screw, and the output end of the screw passes through the sealing ring 9 to be connected in the threaded hole 8 at the outer ring of the disc 3 through the screw thread, so that the tightness of the middle passage of the valve body 1 can be improved when the disc 3 is closed;

in this embodiment, preferably, the two ends of the valve body 1 are fixedly connected with flanges 10, the outer ring of one side of the two ends of the flanges 10 away from the valve body 1 is provided with an annular groove 11, and an annular ring 12 is sleeved in the annular groove 11;

through the scheme, the annular groove 11 and the annular ring 12 are arranged, the annular groove 11 is arranged on the outer side of the flange 10, and the annular ring 12 is clamped inside the annular groove 11, so that the sealing performance of a joint can be improved when the pipeline is assembled;

in this embodiment, preferably, the middle part of the top end of the valve body 1 is fixedly connected with a rod sleeve 13, the top ends of the rod sleeve 13 are fixedly provided with an actuator component 14, and the top end of the transmission shaft 2 passes through the rod sleeve 13 to be fixedly connected with the actuator component 14;

through the scheme, the rod sleeve 13 is arranged, and the rod sleeve 13 is used for protecting the transmission shaft 2, so that the aims of being convenient for waterproof and dustproof are fulfilled;

in this embodiment, preferably, the outer ring of the flanges 10 at both ends is provided with a plurality of mounting holes 15 in a penetrating manner;

by the above scheme, the installation holes 15 are arranged, and the installation holes 15 are used for being installed in a matched manner with an external conveying pipeline;

in this embodiment, the annular ring 12 is preferably made of rubber;

through above-mentioned scheme, through setting up annular circle 12, the material of annular circle 12 is rubber, can improve its life.

When the electric butterfly valve with the safety locking structure is used, the flanges 10 at the two ends of the valve body 1 are firstly matched with an external conveying pipeline, the flanges 10 and the external conveying pipeline are fixed between the mounting plate by using bolts during mounting, the transmission shaft 2 is firstly inserted into the cross groove 4 in the disk 3 when the disk 3 is mounted, the cross bar 5 in the middle of the transmission shaft 2 is in butt joint with the cross groove 4 during splicing, then the lock sleeve 7 is sleeved on the cross bar 5 at the two sides of the transmission shaft 2 from the two ends of the transmission shaft 2 until the lock sleeve 7 is clamped on the cross bar 5 at the two sides of the transmission shaft 2, then the threaded rod 6 is twisted, the threaded rod 6 is twisted in from the two ends of the transmission shaft 2 until the lock sleeve 7 is clamped outside the two ends of the disk 3, the horizontal displacement between the transmission shaft 2 and the disk 3 can be prevented through the cross groove 4 and the cross bar 5, the vertical displacement between the transmission shaft 2 and the disk 3 can be prevented through the threaded rod 6 and the lock sleeve 7, and the disk 3 can be prevented from slipping when the transmission shaft 2 and the disk 3 are locked.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An electric butterfly valve with safety locking structure, its characterized in that: the electric butterfly valve with the safety locking structure comprises

The valve comprises a valve body (1), wherein a transmission shaft (2) is movably arranged between the top end and the bottom end of the valve body (1) through mechanical sealing, and a disc (3) is sleeved in the middle of the transmission shaft (2);

the cross groove (4) and the cross strip (5), the cross groove (4) is formed in the inner side of the middle of the disc (3), the cross strip (5) is arranged on the outer side of the middle of the transmission shaft (2), and the cross strip (5) is clamped with the cross groove (4).

2. The electric butterfly valve with a safety locking structure according to claim 1, wherein: the novel cross-shaped transmission shaft is characterized in that threaded rods (6) are fixedly connected to two ends of the transmission shaft (2) close to the disc (3), nut sleeves (16) are connected to the outer portions of the threaded rods (6) in a threaded mode, lock sleeves (7) are sleeved between the cross-shaped strips (5) and the threaded rods (6) in a sleeved mode, and the lock sleeves (7) are clamped with the cross-shaped strips (5).

3. The electric butterfly valve with a safety locking structure according to claim 1, wherein: screw holes (8) are formed in the outer ring positions of the two sides of the disc (3), sealing rings (9) are arranged on the surfaces of the two sides of the disc (3), and screws are connected between the sealing rings (9) and the screw holes (8) in a threaded mode.

4. The electric butterfly valve with a safety locking structure according to claim 1, wherein: the two ends of the valve body (1) are fixedly connected with flanges (10), annular grooves (11) are formed in the outer ring of one side, far away from the valve body (1), of the flanges (10), and annular rings (12) are sleeved in the annular grooves (11).

5. The electric butterfly valve with a safety locking structure according to claim 1, wherein: the middle part of the top end of the valve body (1) is fixedly connected with a rod sleeve (13), the top ends of the rod sleeve (13) are fixedly provided with an actuator component (14), and the top end of the transmission shaft (2) penetrates through the rod sleeve (13) to be fixedly connected with the actuator component (14).

6. The electric butterfly valve with a safety locking structure according to claim 4, wherein: a plurality of mounting holes (15) are formed in the outer ring of the flange (10) at the two ends in a penetrating mode.

7. The electric butterfly valve with a safety locking structure according to claim 4, wherein: the annular ring (12) is made of rubber.