CN218718864U

CN218718864U - Multi-rotation integral explosion-proof valve electric device

Info

Publication number: CN218718864U
Application number: CN202222859886.8U
Authority: CN
Inventors: 王刚
Original assignee: Tianjin Tongyi Instrument Technology Development Co ltd
Current assignee: Tianjin Tongyi Instrument Technology Development Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-24
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a whole explosion-proof type valve electric actuator of many gyrations, including the valve body, the inboard middle part bearing activity in valve body upper end is provided with the valve rod, the equal fixed butterfly plate that is provided with in valve rod surface both sides, valve body upper end both sides are the fixed mounting bracket that is provided with all, the mounting bracket upper end is provided with valve electric drive device, be provided with drive mechanism between valve electric drive device lower extreme and the valve rod. The utility model discloses excellent in use effect can guarantee through drive mechanism that the transfer line can be tight insert the hole on rolling disc surface, even use the fixed orifices to take place certain wearing and tearing back for a long time at the device, can promote the transfer line to move down under the effect of the elasticity of spring to can make the thick position of transfer line fill enter into the fixed orifices inside with filling the gap, thereby can prevent that the butterfly plate from taking place to rock, thereby can improve the precision of butterfly plate.

Description

Multi-rotation integral explosion-proof valve electric device

Technical Field

The utility model relates to a valve electric actuator technical field specifically is a whole explosion-proof type valve electric actuator of many gyration.

Background

The electric valve installed in an industrial pipeline system at present is often required to be opened and closed according to the requirements of a pipeline control process flow, and an active device for driving the electric valve is a valve electric device. The electric equipment applied to the explosive gas environment must have the equipment with the explosion-proof function, the valve electric device on the electric valve in the corresponding environment must also have the explosion-proof characteristic, and the explosion-proof type valve electric device is divided into a common explosion-proof type and an integral explosion-proof type.

When the motor mounting structure of the explosion-proof valve electric device is used, a rotating shaft through hole matched with a driving rotating shaft is formed in the bottom of a motor mounting cavity, and a motor end cover is mounted at the lower end of the driving motor, so that the mounting error of the motor end cover mounted on an electric shell can be avoided, the concentricity between the driving rotating shaft and the rotating shaft through hole can be improved to the maximum extent, and the working reliability of the driving motor can be ensured;

although this application file has reduced installation error, the concentricity between drive pivot and the pivot through-hole has been guaranteed, but generally can adopt the shaft coupling to be connected between electric actuator's the output axle head and the valve, and in order to improve the closed precision of opening of valve, generally can not adopt flexible coupling to connect, but can adopt screwed connection's rigid coupling to connect, but even adopted rigid coupling, and the device uses for a long time, the rigid coupling screwed connection department of screwed connection takes place the wearing and tearing back, can make the shaft coupling department rock slightly, so will make the valve pivot can rotate certain small-angle by oneself, thereby can influence the precision that the valve opened and shut, consequently, only improve electric actuator's installation accuracy still is not enough, still need provide a valve electric actuator who has friction loss compensation function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a many gyration whole explosion-proof type valve electric actuator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a whole explosion-proof type valve electric actuator of many gyrations, includes the valve body, the inboard middle part bearing activity in valve body upper end is provided with the valve rod, valve rod surface both sides are all fixed and are provided with the butterfly plate, valve body upper end both sides are all fixed and are provided with the mounting bracket, the mounting bracket upper end is provided with valve electric drive device, be provided with drive mechanism between valve electric drive device lower extreme and the valve rod.

Preferably, the transmission mechanism comprises a rotating disc, a connecting disc, telescopic rods, transmission rods and fixing holes, the rotating disc is fixedly arranged at the upper end of the valve rod, the connecting disc is fixedly arranged at the output shaft end of the valve electric driving device, the lower end of the connecting disc is uniformly and fixedly provided with the plurality of telescopic rods, the transmission rods are fixedly arranged at the movable ends of the telescopic rods, and the outer side surface of the upper end of the rotating disc is uniformly provided with the plurality of fixing holes; the power of the valve electric driving device can be conveniently transmitted to the valve rod through the transmission mechanism, so that the valve rod can be conveniently driven to rotate.

Preferably, the fixed orifices and the drive rod one-to-one, the drive rod alternates to be set up inside the fixed orifices, can conveniently fill the whole gap of fixed orifices through the drive rod to can conveniently rotate the rolling disc, and because the drive rod has filled the gap of whole fixed orifices, can prevent that the rolling disc from taking place to rock, thereby can improve the device and drive the precision that opens and shuts of butterfly plate.

Preferably, the cross section of the transmission rod is trapezoidal, and the transmission rod can be downwards moved and inserted into the fixing hole after the abrasion of the fixing hole is increased through the trapezoidal transmission rod, so that the transmission rod can be suitable for filling the expressed fixing hole.

Preferably, the spring is sleeved on the outer side surface of the telescopic rod between the connecting disc and the transmission rod, and the telescopic rod can be conveniently pushed to extend through the spring, so that the transmission rod can be conveniently pushed to be inserted into the fixing hole.

Preferably, both sides of the surface of the valve body are fixedly provided with connecting flanges, and the whole device can be conveniently and externally connected with other pipelines through the connecting flanges.

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

1. the utility model discloses after long-time the use, the fixed orifices wearing and tearing grow can move down through the spring promotion transfer line on telescopic link surface this moment to can fill the fixed orifices inside entering into the grow through the transfer line by supreme thickening gradually down, so fill the gap of whole fixed orifices through the transfer line, thereby can prevent that independent rolling disc from taking place to rock, thereby can improve the precision that opens and shuts that the device drove the butterfly plate.

2. The utility model has the advantages that the whole structure is simple, need not complicated control mechanism, after every fixed orifices wearing and tearing grow, the transfer line can be in the spring action of powerful elasticity automatic downstream down, need not manual control or renewal part, and it is comparatively convenient to use.

Drawings

Fig. 1 is a schematic view of the overall structure of a multi-turn integral explosion-proof valve electric actuator of the present invention;

FIG. 2 is a sectional view of the multi-turn integral explosion-proof valve electric actuator of the present invention;

fig. 3 is an enlarged view of a position a in fig. 2 of the multi-turn integral explosion-proof valve electric actuator of the present invention.

In the figure: 1. a valve body; 2. a valve stem; 3. a butterfly plate; 4. a mounting frame; 5. a valve electric drive; 6. rotating the disc; 7. a connecting disc; 8. a telescopic rod; 9. a transmission rod; 10. a fixing hole; 11. a spring; 12. and connecting the flanges.

Detailed Description

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a whole explosion-proof type valve electric actuator of many gyrations, includes valve body 1, the inboard middle part bearing activity in 1 upper end of valve body is provided with

valve rod

2, 2 surperficial both sides of valve rod are all fixed and are provided with

butterfly plate

3, 1 upper end both sides of valve body are all fixed and are provided with mounting bracket 4, mounting bracket 4 upper end is provided with valve electric drive 5, be provided with drive mechanism between 5 lower extremes of valve electric drive 5 and the valve rod 2.

The transmission mechanism comprises a rotating disc 6, a connecting disc 7, telescopic rods 8, a transmission rod 9 and fixing holes 10, the rotating disc 6 is fixedly arranged at the upper end of the valve rod 2, the connecting disc 7 is fixedly arranged at the output shaft end of the valve electric driving device 5, a plurality of telescopic rods 8 are uniformly and fixedly arranged at the lower end of the connecting disc 7, the transmission rod 9 is fixedly arranged at the movable end of each telescopic rod 8, and a plurality of fixing holes 10 are uniformly formed in the outer side surface of the upper end of the rotating disc 6; the power of the valve electric driving device 5 can be conveniently transmitted to the valve rod 2 through the transmission mechanism, so that the valve rod 2 can be conveniently driven to rotate;

the fixing holes 10 correspond to the transmission rods 9 one by one, the transmission rods 9 are inserted into the fixing holes 10, the whole gaps of the fixing holes 10 can be conveniently filled through the transmission rods 9, so that the rotating disc 6 can be conveniently rotated, and the transmission rods 9 fill the gaps of the whole fixing holes 10, so that the rotating disc 6 can be prevented from shaking, and the opening and closing precision of the butterfly plate 3 driven by the device can be improved;

the cross section of the transmission rod 9 is trapezoidal, and the trapezoidal transmission rod 9 can be downwards inserted into the fixing hole 10 after the fixing hole 10 is abraded and enlarged, so that the transmission rod can be suitable for filling the expressed fixing hole 10;

a spring 11 is sleeved on the outer side surface of the telescopic rod 8 between the connecting disc 7 and the transmission rod 9, and the telescopic rod 8 can be conveniently pushed to extend through the spring 11, so that the transmission rod 9 can be conveniently pushed to be inserted into the fixing hole 10;

both sides of the surface of the valve body 1 are fixedly provided with connecting flanges 12, and the whole device can be conveniently and externally connected with other pipelines through the connecting flanges 12.

The working principle is as follows: can install whole external other pipelines through flange 12 during the use device, can drive connection pad 7 through valve electric drive device 5 afterwards and rotate, and connection pad 7 rotates the back and can rotate through inserting the inside rolling disc 6 of fixed orifices 10, thereby can drive valve rod 2 and butterfly plate 3 and rotate, thereby can reach the effect of automatic valve that opens and shuts, and especially use for a long time when following the use of device, fixed orifices 10 wearing and tearing grow, can promote transfer line 9 through the powerful spring 11 on telescopic link 8 surface and move down this moment, thereby can get into inside the fixed orifices 10 of grow through the transfer line 9 packing that becomes thick gradually from bottom to top, so fill the gap of whole fixed orifices 10 through transfer line 9, thereby can prevent independent rolling disc 6 from taking place to rock, thereby can improve the device and drive the precision of opening and shutting of butterfly plate 3, this is the utility model relates to a many revolutions whole explosion-proof type valve electric actuator's theory.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a whole explosion-proof type valve electric actuator of many gyrations, includes valve body (1), its characterized in that: the improved butterfly valve is characterized in that a valve rod (2) is movably arranged on the middle of the inner side of the upper end of the valve body (1) in a bearing mode, butterfly plates (3) are fixedly arranged on two sides of the surface of the valve rod (2), mounting frames (4) are fixedly arranged on two sides of the upper end of the valve body (1), a valve electric driving device (5) is arranged on the upper ends of the mounting frames (4), and a transmission mechanism is arranged between the lower end of the valve electric driving device (5) and the valve rod (2).

2. A multi-turn integrated explosion-proof type electric valve actuator according to claim 1, wherein: drive mechanism includes rolling disc (6), connection pad (7), telescopic link (8), transfer line (9), fixed orifices (10), valve rod (2) upper end is fixed and is provided with rolling disc (6), the output shaft end of valve electric drive device (5) is fixed and is provided with connection pad (7), connection pad (7) lower extreme is even fixed and is provided with a plurality of telescopic links (8), the expansion end of telescopic link (8) is fixed and is provided with transfer line (9), a plurality of fixed orifices (10) have evenly been seted up on rolling disc (6) upper end outside surface.

3. A multi-turn integrated explosion-proof type electric valve actuator according to claim 2, wherein: the fixing holes (10) correspond to the transmission rods (9) one by one, and the transmission rods (9) are arranged in the fixing holes (10) in a penetrating mode.

4. A multi-turn integrated explosion-proof valve actuator as defined in claim 2, wherein: the cross section of the transmission rod (9) is trapezoidal.

5. A multi-turn integrated explosion-proof type electric valve actuator according to claim 2, wherein: the outer side surface of the telescopic rod (8) is sleeved with a spring (11) between the connecting disc (7) and the transmission rod (9).

6. A multi-turn integrated explosion-proof type electric valve actuator according to claim 1, wherein: and connecting flanges (12) are fixedly arranged on two sides of the surface of the valve body (1).