CN219198302U - Valve electric device - Google Patents

Abstract

The utility model discloses an electric valve device which comprises a valve body, a valve core and a threaded rod, wherein the threaded rod extends into the valve body and is connected with the valve core, the side edge of the valve body is connected with a driving part, the output end of the driving part is connected with a worm, the outer side of the threaded rod is sleeved with a connecting sleeve, so that a first screw hole is formed in the inner side of the connecting sleeve, a worm wheel is arranged outside the connecting sleeve, and the worm extends into the valve body and is meshed with the worm wheel. The utility model can realize automatic opening and closing of the valve and adjust the flow velocity inside the valve.

Description

Valve electric device

Technical Field

The utility model belongs to the technical field of screw assembly, and particularly relates to a valve electric device.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium, and can be divided into a shutoff valve, a check valve, a regulating valve and the like according to functions of the valve, and the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive mediums, slurry, oil products, liquid metal, radioactive mediums and the like. Valves in the prior art are often controlled to close by manually tightening a handle.

The Chinese patent with the application number of 202020417711X discloses a valve with good sealing performance, the valve comprises a valve, a sealing mechanism is arranged in the middle of the valve, a handle is fixedly connected to the outer wall of the upper part of a screw rod, the outer wall of the upper part of the screw rod is connected with the inner wall of the middle of a nut in a threaded manner, and the bottom end of the nut is fixedly connected in the middle of the top end of the valve. This valve that leakproofness is good, the lead screw drives the rubber pad on the roof and moves downwards, seal the gap between lead screw and the baffle, prevent that liquid or gas in the valve from leaking through the gap between valve and the lead screw, guaranteed the absolute seal of valve, solved current valve because long-time use, after the valve is opened, the gap can appear in the lead screw of control valve and valve center central line department for liquid or gas leakage leads to the problem that the leakproofness is poor, this valve leakproofness is good, the suitability is strong, convenient operation, it is convenient to use, the problem that current valve practicality is low, inconvenient operation has been solved.

The above patent is to turn the handle to open and close the valve, but the turning of the handle requires a great effort, otherwise it is difficult to open and close the valve.

Disclosure of Invention

In order to solve the problems, the utility model provides an electric valve device which comprises a valve body, a valve core and a threaded rod, wherein the threaded rod extends into the valve body and is connected with the valve core, a driving part is connected to the side edge of the valve body, a worm is connected to the output end of the driving part, a connecting sleeve is sleeved on the outer side of the threaded rod, a first screw hole is formed in the inner side of the connecting sleeve, a worm wheel is arranged on the outer side of the connecting sleeve, and the worm extends into the valve body to be meshed with the worm wheel.

Preferably, a first oil jacket is arranged above the connecting sleeve, and a second screw hole is formed in the first oil jacket.

Preferably, a second oil jacket is arranged above the connecting sleeve, and a third screw hole is formed in the second oil jacket.

Preferably, the first oil jacket and the second oil jacket are both connected with first connecting pin holes, and the upper side and the lower side of the connecting sleeve are both provided with second connecting pin holes.

Preferably, the top of the threaded rod is connected with a rotary handle.

The utility model has the advantages that:

1. in this scheme, drive the threaded rod through connecting drive division and worm and rotate to realize the automatic shutdown of valve, replace manual mode through electric mode, need not to consume manpower and simple structure, be convenient for operate.

2. The first oil jacket and the second oil jacket are arranged in the scheme, so that foreign matters can not enter between the threaded rod and the connecting sleeve, larger abrasion of the threaded rod and the connecting sleeve is avoided, and the service life of the threaded rod and the connecting sleeve is prolonged.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a block diagram of a threaded rod according to the present utility model;

figure 3 is a block diagram of the connection sleeve and oil jacket of the present utility model.

In the figure: the rotary handle comprises a valve body 1, a valve core 2, a threaded rod 3, a driving part 4, a worm 5, a connecting sleeve 6, a first screw hole 7, a worm wheel 8, a first oil jacket 9, a second screw hole 10, a second oil jacket 11, a third screw hole 12, a first connecting pin hole 13, a second connecting pin hole 14 and a rotary handle 15.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. 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 utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. Meanwhile, when an element is referred to as being "fixed" or "disposed" on another element, it may be directly on the other element or intervening elements may be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "fixedly connected to" another element, it can be conventionally connected by welding or bolting or gluing. In summary, it will be understood by those of ordinary skill in the art that the specific meaning of the terms described above in this disclosure is to be understood in a specific sense.

Example 1

An electric valve device, as shown in fig. 1, comprises a valve body 1, a valve core 2 and a threaded rod 3, wherein the threaded rod 3 extends into the valve body 1 and is connected with the valve core 2. After the threaded rod 3 rotates through the rotary handle 15 at the top, the valve core 2 is driven to rotate and move up and down, so that the effects of adjusting flow and closing the valve body 1 are achieved.

The side of the valve body 1 is provided with a driving part 4, the driving part 4 is a driving motor, a shell of the driving motor is integrally formed with a shell of the valve body 1, the output end of the driving motor is connected with a worm 5, the worm 5 extends to the inside of the valve body 1, a disc-shaped cavity is further formed in the valve body 1, and the disc-shaped cavity is used for accommodating a worm wheel 8. In combination with fig. 1-3, the outside cover of threaded rod 3 is equipped with adapter sleeve 6, be equipped with first screw 7 in the inside of adapter sleeve 6, first screw 7 agrees with threaded rod 3, be equipped with worm wheel 8 in the outside of adapter sleeve 6, both are integrated into one piece too, this worm wheel 8 meshes with driving motor's worm 5, when driving motor drives worm 5 and rotates, worm 5 can drive worm wheel 8 and adapter sleeve 6 and rotate, adapter sleeve 6 is when rotating, under the effect of screw, threaded rod 3 can carry out upper and lower rotary motion, thereby drive case 2 upper and lower rotary motion, in order to realize the shutoff to valve body 1 and adjust the effect of velocity of flow. The driving motor is preferably a servo motor and can drive the worm 5 to rotate positively and negatively.

The upper part of the connecting sleeve 6 is provided with a first oil jacket 9, the inside of the first oil jacket 9 is provided with a second screw hole 10, the upper part of the connecting sleeve 6 is provided with a second oil jacket 11, the inside of the second oil jacket 11 is provided with a third screw hole 12, the first oil jacket 9 and the second oil jacket 11 are connected with first connecting pin holes 13, the upper side and the lower side of the connecting sleeve 6 are provided with second connecting pin holes 14, and the first oil jacket 9 and the second oil jacket 11 are in butt joint with the connecting sleeve 6 through connecting pins. The diameter of the first screw hole 7 in the connecting sleeve 6 is slightly larger than the diameter of the threaded rod 3, and a gap between the first screw hole and the threaded rod is used for injecting a certain amount of lubricating oil, so that the lubricating between the first screw hole and the threaded rod is ensured. While the diameters of the second and third screw holes 10 and 12 in the first and second oil jackets 9 and 11 are close to the diameter of the threaded rod 3, there is no gap between the second and third screw holes 10 and 3 and between the third screw hole 12 and the threaded rod 3. In this way, before the first oil jacket 9 and the second oil jacket 11 are assembled, the threaded rod 3 is butted with the connecting sleeve 6, then lubricating oil is injected between the threaded rod 3 and the connecting sleeve, and then the first oil jacket 9 and the second oil jacket 11 are sequentially arranged on the upper side and the lower side of the connecting sleeve 6 and locked. At this time, the first oil jacket 9 and the second oil jacket 11 can prevent foreign matters from entering between the threaded rod 3 and the connecting sleeve 6. Meanwhile, lubricating oil between the threaded rod 3 and the connecting sleeve 6 cannot overflow, and the long-term lubrication function can be achieved.

The threaded rod 3 is driven to rotate by the driving part 4 and the worm 5, so that the automatic closing of the valve is realized, a manual mode is replaced by an electric mode, labor is not required to be consumed, the structure is simple, and the operation is convenient. Meanwhile, the first oil jacket 9 and the second oil jacket 11 are arranged, so that foreign matters can not enter between the threaded rod 3 and the connecting sleeve 6, larger abrasion of the threaded rod 3 and the connecting sleeve is avoided, and the service lives of the threaded rod and the connecting sleeve are prolonged.

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

Claims (5)

1. The utility model provides a valve electric actuator, includes valve body (1), case (2) and threaded rod (3), threaded rod (3) extend to valve body (1) inside and be connected with case (2), its characterized in that: the side of valve body (1) is connected with drive portion (4), the output of drive portion (4) is connected with worm (5), the outside cover of threaded rod (3) is equipped with adapter sleeve (6), so adapter sleeve (6) inboard is equipped with first screw (7), the outside of adapter sleeve (6) is equipped with worm wheel (8), worm (5) extend to inside and worm wheel (8) meshing of valve body (1).

2. The valve-electric device according to claim 1, wherein: a first oil jacket (9) is arranged above the connecting sleeve (6), and a second screw hole (10) is formed in the first oil jacket (9).

3. The valve-electric device according to claim 2, wherein: a second oil jacket (11) is arranged above the connecting sleeve (6), and a third screw hole (12) is formed in the second oil jacket (11).

4. A valve actuator assembly as set forth in claim 3 wherein: the first oil jacket (9) and the second oil jacket (11) are connected with first connecting pin holes (13), and second connecting pin holes (14) are formed in the upper side and the lower side of the connecting sleeve (6).

5. The valve-electric device according to claim 4, wherein: the top of the threaded rod (3) is connected with a rotary handle (15).

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