CN215928234U

CN215928234U - Pneumatic three-way confluence regulating valve with protective structure

Info

Publication number: CN215928234U
Application number: CN202122319549.5U
Authority: CN
Inventors: 赵彬
Original assignee: Wuliyuan Beijing Technology Development Co ltd
Current assignee: Wuliyuan Beijing Technology Development Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-03-01
Anticipated expiration: 2031-09-24

Abstract

The utility model relates to the technical field of regulating valve protection, and discloses a pneumatic three-way confluence regulating valve with a protection structure, which solves the problem that the existing valve rod is damaged after being impacted by fluid for a long time and comprises a valve body, wherein a valve cover is fixedly arranged at the top of the valve body, a support is fixedly arranged at the top of the valve cover, a pneumatic actuator is fixedly arranged at the top of the support, a push rod is movably arranged in the middle of the bottom of the pneumatic actuator, a valve rod is fixedly arranged at the bottom of the push rod, and the valve rod is movably connected with the valve body; according to the utility model, the two rollers are arranged to facilitate the valve rod to move up and down, when the valve rod is impacted, the two rollers move, and meanwhile, through the matching between the vertical plate and the movable plate, the sliding block moves along the cross rod and drives the damping spring to stretch and retract, and at the moment, the elastic action of the damping spring absorbs force, so that the vibration generated by the valve rod is reduced, and the valve rod is protected.

Description

Pneumatic three-way confluence regulating valve with protective structure

Technical Field

The utility model belongs to the technical field of regulating valve protection, and particularly relates to a pneumatic three-way confluence regulating valve with a protection structure.

Background

The three-way regulating valve consists of a straight-stroke electronic electric actuator and a three-way flow-converging valve with a cylindrical thin-wall window-shaped valve core, has compact structure, light weight, sensitive action, accurate flow characteristic and other control signals and a single-phase power supply, can control the operation, realizes the automatic regulation and control of fluid media of a process pipeline, is widely applied to accurately control the process parameters of the media such as gas, liquid, steam and the like, such as pressure, flow, temperature, liquid level and the like to be kept at given values, and is suitable for the working condition that one fluid is divided into two paths through a three-way valve to flow out or two fluids are combined into one fluid through the three-way valve.

The three-way confluence regulating valve is a valve which is applied more generally in a pipeline of an automatic control system, and the traditional three-way confluence regulating valve is single in structure, and after the valve body is impacted by fluid for a long time, the valve rod can be impacted to cause damage, so that the using effect and the service life of the traditional three-way confluence regulating valve are not ideal enough.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the pneumatic three-way confluence regulating valve with the protection structure, and the problem that the existing valve rod is damaged after being impacted by fluid for a long time is effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a pneumatic tee bend confluence governing valve with protective structure, includes the valve body, the top fixed mounting of valve body has the valve gap, and the top fixed mounting of valve gap has the support, and the top fixed mounting of support has pneumatic actuator, and movable mounting has the push rod in the middle of pneumatic actuator's the bottom, and the bottom fixed mounting of push rod has the valve rod, valve rod and valve body swing joint, and the guide way has all been seted up to the both sides of support, and stop gear is installed in the outside of support.

Preferably, stop gear is including two curb plates that are located the support both sides, and the equal fixed mounting in both sides of the curb plate that is located the rear side has the connecting cylinder, and the inside activity of connecting cylinder has cup jointed the gag lever post, the one end of gag lever post and the curb plate fixed connection who is located the front side, and the bolt is installed at the top of connecting cylinder.

Preferably, two the inside equal movable joint of guide way has the connecting rod, and the equal movable mounting in both ends of connecting rod has the sleeve, telescopic one side and curb plate fixed connection.

Preferably, the connecting rod that is located the right side the external screw thread has all been seted up to the both sides of connecting rod, and the arrangement of two external screw threads is opposite, and the connecting rod that is located the right side cup joints through external screw thread and sleeve thread.

Preferably, two the spout has all been seted up to the one side that the curb plate is close to each other, and the inside fixed mounting of spout has the horizontal pole, and the equal activity in both sides of horizontal pole has cup jointed the slider, fixedly connected with and the horizontal pole activity damping spring who cup joints between two sliders.

Preferably, one side of the sliding block is rotatably connected with a movable plate, the other end of the movable plate is rotatably connected with a vertical plate, and one side of the vertical plate is fixedly provided with a roller attached to the valve rod.

Preferably, the two connecting cylinders are positioned on two sides of the support, and the two connecting cylinders are attached to the support.

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

(1) according to the utility model, the two rollers are arranged to facilitate the valve rod to move up and down, when the valve rod is impacted, the two rollers move, and simultaneously the vertical plate and the movable plate are matched to enable the sliding block to move along the cross rod and drive the damping spring to stretch and retract;

(2) this novel connecting cylinder and cooperation between gag lever post and the bolt, when loosening the bolt, the gag lever post can be along the connecting cylinder activity this moment to through the cooperation between sleeve and connecting rod and the external screw thread, when rotating the connecting rod on right side, can separate two sleeves and the connecting rod on right side this moment, thereby conveniently realize the dismantlement to two curb plates.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

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

FIG. 2 is a schematic view of a connection structure of a limiting mechanism and a bracket according to the present invention;

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

FIG. 4 is an exploded view of the limiting mechanism of the present invention;

in the figure: 1. a valve body; 2. a valve cover; 3. a valve stem; 4. a push rod; 5. a pneumatic actuator; 6. a limiting mechanism; 601. a side plate; 602. a movable plate; 603. a vertical plate; 604. a roller; 605. a limiting rod; 606. a connecting cylinder; 607. a sleeve; 608. a chute; 609. a slider; 6010. a damping spring; 6011. a cross bar; 6012. a bolt; 6013. a connecting rod; 6014. an external thread; 7. a support; 8. a guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 4, the valve comprises a valve body 1, a valve cover 2 is fixedly mounted at the top of the valve body 1, a support 7 is fixedly mounted at the top of the valve cover 2, a pneumatic actuator 5 is fixedly mounted at the top of the support 7, a push rod 4 is movably mounted in the middle of the bottom of the pneumatic actuator 5, a valve rod 3 is fixedly mounted at the bottom of the push rod 4, the valve rod 3 is movably connected with the valve body 1, guide grooves 8 are formed in two sides of the support 7, and a limiting mechanism 6 is mounted on the outer side of the support 7;

install stop gear 6 in the outside of support 7 at first, when valve rod 3 received the striking, reduce the vibrations that valve rod 3 received through stop gear 6 this moment, play the effect of protection.

Embodiment two, on the basis of embodiment one, the limiting mechanism 6 includes two side plates 601 located at two sides of the support 7, two sides of the side plate 601 located at the rear side are both fixedly mounted with connecting cylinders 606, the two connecting cylinders 606 are located at two sides of the support 7, and both the two connecting cylinders 606 are attached to the support 7, a limiting rod 605 is movably sleeved inside the connecting cylinder 606, one end of the limiting rod 605 is fixedly connected to the side plate 601 located at the front side, a bolt 6012 is mounted at the top of the connecting cylinder 606, a connecting rod 6013 is movably clamped inside both the two guide grooves 8, a sleeve 607 is movably mounted at both ends of the connecting rod 6013, one side of the sleeve 607 is fixedly connected to the side plate 601, external threads 6014 are respectively formed at both sides of the connecting rod 6013 located at the right side, the arrangement modes of the two external threads 6014 are opposite, and the connecting rod 6013 located at the right side is in threaded sleeve connection with the sleeve 607 through the external threads 6014;

when using, at first place the both sides of support 7 with two curb plates 601, spout 608 cup joints with connecting rod 6013 this moment, then rotate connecting rod 6013 on right side, two sleeves 607 on right side this moment remove and are close to each other, two curb plates 601 are close to each other this moment, gag lever post 605 cup joints with connecting cylinder 606 simultaneously, then screw up the bolt 6012 of both sides, it is fixed with connecting cylinder 606 with gag lever post 605, the running roller 604 of both sides all laminates with valve rod 3 this moment, the completion is spacing to valve rod 3.

In the third embodiment, on the basis of the first embodiment, a sliding groove 608 is formed in each of two sides of the two side plates 601, the sliding groove 608 is fixedly installed inside the sliding groove 608, two sides of the sliding rod 6011 are movably sleeved with a sliding block 609, a damping spring 6010 movably sleeved with the sliding rod 6011 is fixedly connected between the two sliding blocks 609, one side of the sliding block 609 is rotatably connected with a movable plate 602, the other end of the movable plate 602 is rotatably connected with a vertical plate 603, and a roller 604 attached to the valve rod 3 is fixedly installed on one side of the vertical plate 603;

when the valve rod 3 receives the striking, two running rollers 604 activity this moment, riser 603 and fly leaf 602 motion simultaneously, slider 609 removes and drives damping spring 6010 flexible along horizontal pole 6011 this moment, because damping spring 6010 elastic effect absorbs power this moment to the vibration that less valve rod 3 produced, thereby play the effect of protection to valve rod 3.

The working principle is as follows: when using, at first place the both sides at support 7 with two curb plates 601, spout 608 cup joints with connecting rod 6013 this moment, then rotate connecting rod 6013 on right side, two sleeves 607 on right side this moment move and are close to each other, two curb plates 601 are close to each other this moment, gag lever post 605 cup joints with connecting cylinder 606 simultaneously, then screw up the bolt 6012 on both sides, it is fixed with connecting cylinder 606 with gag lever post 605, the running roller 604 of both sides all laminates with valve rod 3 this moment, accomplish spacing to valve rod 3, when valve rod 3 receives the striking, two running rollers 604 activities this moment, riser 603 and fly leaf 602 move simultaneously, slider 609 removes and drives damping spring 6010 along horizontal pole 6011 this moment and stretches out and draws back, this moment because damping spring 6010 elastic effect absorbs the power, thereby the vibration that less valve rod 3 produced, thereby play the effect of protection to valve rod 3.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pneumatic three-way confluence governing valve with protective structure, includes valve body (1), its characterized in that: the valve comprises a valve body (1), a valve cover (2) is fixedly mounted at the top of the valve body (1), a support (7) is fixedly mounted at the top of the valve cover (2), a pneumatic actuator (5) is fixedly mounted at the top of the support (7), a push rod (4) is movably mounted in the middle of the bottom of the pneumatic actuator (5), a valve rod (3) is fixedly mounted at the bottom of the push rod (4), the valve rod (3) is movably connected with the valve body (1), guide grooves (8) are formed in two sides of the support (7), and a limiting mechanism (6) is mounted in the outer side of the support (7).

2. The pneumatic three-way confluence control valve with a protective structure of claim 1, wherein: stop gear (6) are including two curb plates (601) that are located support (7) both sides, and the equal fixed mounting in both sides of curb plate (601) that are located the rear side has connecting cylinder (606), and the inside activity of connecting cylinder (606) has cup jointed gag lever post (605), the one end of gag lever post (605) and curb plate (601) fixed connection who is located the front side, and bolt (6012) are installed at the top of connecting cylinder (606).

3. The pneumatic three-way confluence control valve with a protective structure of claim 1, wherein: the inside of two guide ways (8) all movably clamped has connecting rod (6013), and the both ends of connecting rod (6013) all movably mounted have sleeve (607), and one side and curb plate (601) fixed connection of sleeve (607).

4. The pneumatic three-way confluence control valve with a protective structure of claim 3, wherein: the connecting rod (6013) located on the right side is provided with external threads (6014) on two sides of the connecting rod (6013), the arrangement modes of the two external threads (6014) are opposite, and the connecting rod (6013) located on the right side is in threaded sleeve joint with the sleeve (607) through the external threads (6014).

5. The pneumatic three-way confluence control valve with a protective structure of claim 2, wherein: two spout (608) have all been seted up to one side that curb plate (601) are close to each other, and the inside fixed mounting of spout (608) has horizontal pole (6011), and slider (609) have all been cup jointed in the activity to the both sides of horizontal pole (6011), and fixedly connected with is cup jointed damping spring (6010) with horizontal pole (6011) activity between two slider (609).

6. The pneumatic three-way confluence control valve with a protective structure of claim 5, wherein: one side of the sliding block (609) is rotatably connected with a movable plate (602), the other end of the movable plate (602) is rotatably connected with a vertical plate (603), and one side of the vertical plate (603) is fixedly provided with a roller (604) attached to the valve rod (3).

7. The pneumatic three-way confluence control valve with a protective structure of claim 2, wherein: two connecting cylinders (606) are located on two sides of the support (7), and the two connecting cylinders (606) are attached to the support (7).