CN218625632U

CN218625632U - Motor driving structure for electric valve

Info

Publication number: CN218625632U
Application number: CN202222080972.9U
Authority: CN
Inventors: 陈雷; 胡继清; 陈龙新
Original assignee: Binzhou Ruixiang Machinery Co ltd
Current assignee: Binzhou Ruixiang Machinery Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-03-14
Anticipated expiration: 2032-08-09

Abstract

The utility model relates to a valve electric drive technical field especially relates to a motor drive structure for motorised valve. The technical scheme comprises the following steps: the sealing device comprises an enclosing cylinder, a rotating cylinder, a valve rod and a pin rod, wherein a flange plate is welded on the lower surface of the enclosing cylinder, an installation nail is movably inserted in the flange plate, the valve rod penetrates through the flange plate, a square block is welded at the top end of the valve rod, the rotating cylinder is installed on the enclosing cylinder in a threaded mode, a rotating block is installed at the middle position of the rotating cylinder in a rotating mode, the bottom end of the rotating block is movably inserted in the square block in a inserting mode, and a sealing plate is installed on the upper surface of the rotating cylinder through bolts. The utility model discloses swing joint between valve rod, the electric actuator structure, both alternate segregation are convenient for to but make things convenient for this valve manual drive, satisfy personnel's user demand.

Description

Motor driving structure for electric valve

Technical Field

The utility model relates to a valve electric drive technical field especially relates to a motor drive structure for motorised valve.

Background

The action torque of the electrically operated valve is larger than that of a common valve, the opening and closing action speed of the electrically operated valve can be adjusted, the structure is simple, the maintenance is easy, and the electrically operated valve can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. In the action process of the traditional pneumatic valve, the traditional pneumatic valve is not easy to damage due to clamping because of the buffer characteristic of gas, but an air source is needed, and the control system of the traditional pneumatic valve is more complex than that of an electric valve. The valve is generally horizontally arranged in the pipeline

The electric valve simply uses an electric actuator to control the valve, thereby realizing the opening and closing of the valve. The electric actuator can be divided into an upper part and a lower part, wherein the upper part is the electric actuator, and the lower part is the valve.

The output end of a driving motor in a traditional electric actuator is directly fixedly connected with a valve rod of a valve, so that when the electric actuator goes wrong, the actuator and the valve rod can not be separated from each other in time, the valve can not be manually adjusted, and the use requirements of personnel can not be met.

Therefore, a motor driving structure for an electric valve is provided to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a motor drive structure for electrically operated valve to the problem that exists among the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a motor drive structure for motorised valve, includes surrounding cylinder, a rotation section of thick bamboo, valve rod and pin rod, the lower skin weld of surrounding cylinder has the ring flange, the activity is pegged graft on the ring flange and is had the installation nail, the valve rod runs through the ring flange, the top welding of valve rod has square piece, a rotation section of thick bamboo screw thread is installed on the surrounding cylinder, the intermediate position department of a rotation section of thick bamboo rotates installs the turning block, the bottom activity of turning block is pegged graft on square piece, the shrouding is installed through the bolt to the upper surface of a rotation section of thick bamboo.

Preferably, the circular edge of the square block is provided with pin holes at equal intervals, one side of the surrounding cylinder is provided with an arc hole, one end of the pin rod penetrates through the arc hole and is movably inserted into the pin hole, and the pin rod is in sliding contact with the arc hole.

Preferably, the bottom end of the rotating block is provided with a square hole matched with the square block, and the upper end of the square block is movably inserted into the square hole.

Preferably, a driving motor is installed on the rotating cylinder through a bolt, and an output shaft of the driving motor is fixed on the upper surface of the rotating block.

Preferably, the outer wall of the upper end of the square block is rotatably provided with a retaining rod, a sliding block is welded on the retaining rod, the sliding block is slidably mounted on the inner wall of the enclosure, the inner wall of the enclosure is provided with a sliding groove matched with the sliding block, and the sliding block is slidably mounted in the sliding groove.

Preferably, the number of the mounting nails is four, and the positions of the four mounting nails are distributed in an annular array relative to the flange plate.

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

1. the utility model discloses motor drive structure for motorised valve is in the use, connect external power source and make the interior driving motor work of motorised valve upper portion electric actuator, driving motor drives the turning block and produces rotatoryly, the turning block drives the valve rod rotation, thereby the action of opening and shutting to the valve of lower part, when upper drive motor circuit produced the trouble, the rotatable rotor of operating personnel, through rotor and the thread engagement effect of enclosing between the section of thick bamboo, make the rotor shift up, thereby make the rotor drive the turning block and shift up, thereby make the turning block break away from the square piece of valve rod, personnel drive square piece through the pin rod and deflect, can drive valve rod work through the manpower, the utility model discloses, adopt the valve rod, swing joint between the electric actuator structure, be convenient for both alternate segregation, thereby make things convenient for this valve manually-driven, satisfy personnel's user demand.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the square block of the present invention showing a manual driving overlooking structure;

fig. 4 is an enlarged schematic structural diagram of fig. 1 according to the present invention.

Reference numerals: 1. installing a nail; 2. a flange plate; 3. a pin hole; 4. a square block; 5. a surrounding cylinder; 6. a rotating cylinder; 7. closing the plate; 8. a drive motor; 9. a chute; 10. a holding rod; 11. rotating the block; 12. an arc-shaped hole; 13. a valve stem; 14. a slider; 15. a pin rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1-4, the utility model provides a motor drive structure for motorised valve, including surrounding cylinder 5, a rotating cylinder 6, valve rod 13 and pin rod 15, the lower skin weld of surrounding cylinder 5 has ring flange 2, and ring flange 2 is gone up the activity and is pegged graft and have installation nail 1, and valve rod 13 runs through ring flange 2, and the top welding of valve rod 13 has

square piece

4, and 6 screw threads of a rotating cylinder are installed on surrounding cylinder 5, and the intermediate position department of a rotating cylinder 6 rotates and installs turning block 11, and the bottom activity of turning block 11 is pegged graft on square piece 4, and shrouding 7 is installed through the bolt to the upper surface of a rotating cylinder 6.

Based on example 1: connect external power source and make the interior driving motor 8 work of motorised valve upper portion electric actuator, driving motor 8 drives turning block 11 and produces rotatoryly, turning block 11 drives valve rod 13 rotatory, thereby the action of opening and shutting the valve of lower part, when upper portion driving motor 8 circuit produced the trouble, the rotatable rotor tube 6 of operating personnel, through rotor tube 6 and enclose the threaded engagement effect between the section of thick bamboo 5, make rotor tube 6 shift up, thereby make rotor tube 6 drive turning block 11 shift up, thereby make rotor block 11 break away from square piece 4 of valve rod 13, operating personnel drives square piece 4 through round pin pole 15 and deflects this moment, can drive valve rod 13 work through the manpower.

Example two

As shown in fig. 1-4, the utility model provides a motor drive structure for electrically operated valve compares in embodiment one, and this embodiment still includes: pinhole 3 has been seted up to the surrounding edge equidistance on square piece 4, arc hole 12 has been seted up to one side of surrounding tube 5, and the one end of pin pole 15 runs through arc hole 12 and the activity is pegged graft in pinhole 3, sliding contact between pin pole 15 and the arc hole 12, and when needs, operating personnel can insert pinhole 3 through arc hole 12 with outside pin pole 15 in, then drive square piece 4 through pin pole 15 and deflect, can drive valve rod 13 work through the manpower.

The quad slit with quad slit 4 looks adaptation is seted up to turning block 11's bottom, and quad slit 4's upper end activity is pegged graft in the quad slit, through the design of quad slit, is convenient for turning block 11 to drive quad slit 4 and produces the rotation together.

A driving motor 8 is installed on the rotating cylinder 6 through a bolt, an output shaft of the driving motor 8 is fixed on the upper surface of the rotating block 11, and a power structure can be provided for rotation of the rotating block 11 through the design of the driving motor 8.

The outer wall of the upper end of the square block 4 is rotatably provided with a retaining rod 10, the retaining rod 10 is welded with a sliding block 14, the sliding block 14 is slidably mounted on the inner wall of the enclosure tube 5, the inner wall of the enclosure tube 5 is provided with a sliding groove 9 matched with the sliding block 14, the sliding block 14 is slidably mounted in the sliding groove 9, and through the design of sliding contact between the retaining rod 10 and the enclosure tube 5, a certain supporting force is conveniently provided for the rotating block 11 in a rotating state, and the rotating stability of the rotating block 11 is ensured.

The number of the mounting nails 1 is four, the positions of the four mounting nails 1 are distributed in an annular array relative to the flange plate 2, and the device can be fixed at a specified position through the mounting nails 1 by the design of the mounting nails 1.

It should be noted that the structure of the driving motor 8 is the existing mature technology, and the working principle and the internal structure thereof are known to those skilled in the art, and the present invention only utilizes the functions thereof and does not modify the internal structure thereof, and therefore, detailed description is omitted here, and those skilled in the art can make any choice according to their needs or convenience.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a motor drive structure for electrically operated valve, includes a surrounding cylinder (5), a rotating cylinder (6), valve rod (13) and pin rod (15), its characterized in that: the lower surface welding of surrounding cylinder (5) has ring flange (2), the activity is pegged graft on ring flange (2) and is had installation nail (1), valve rod (13) run through flange dish (2), the top welding of valve rod (13) has square piece (4), it installs on surrounding cylinder (5) to rotate a section of thick bamboo (6) screw thread, the intermediate position department of rotating a section of thick bamboo (6) rotates and installs turning block (11), the bottom activity of turning block (11) is pegged graft on square piece (4), shrouding (7) are installed through the bolt to the upper surface of rotating a section of thick bamboo (6).

2. The motor driving structure for an electric valve according to claim 1, wherein: the pin holes (3) are formed in the ring edges of the square blocks (4) at equal intervals, the arc-shaped hole (12) is formed in one side of the surrounding tube (5), one end of the pin rod (15) penetrates through the arc-shaped hole (12) and is movably inserted into the pin holes (3), and the pin rod (15) is in sliding contact with the arc-shaped hole (12).

3. The motor driving structure for an electric valve according to claim 1, wherein: the bottom end of the rotating block (11) is provided with a square hole matched with the square block (4), and the upper end of the square block (4) is movably inserted into the square hole.

4. The motor driving structure for an electric valve according to claim 1, wherein: a driving motor (8) is installed on the rotating cylinder (6) through a bolt, and an output shaft of the driving motor (8) is fixed on the upper surface of the rotating block (11).

5. The motor driving structure for an electric valve according to claim 1, wherein: the outer wall of the upper end of the square block (4) is rotatably provided with a retaining rod (10), a sliding block (14) is welded on the retaining rod (10), the sliding block (14) is slidably mounted on the inner wall of the enclosure tube (5), the inner wall of the enclosure tube (5) is provided with a sliding groove (9) matched with the sliding block (14), and the sliding block (14) is slidably mounted in the sliding groove (9).

6. The motor driving structure for an electric valve according to claim 1, wherein: the number of the mounting nails (1) is four, and the positions of the four mounting nails (1) are distributed in an annular array relative to the flange plate (2).