CN215487952U

CN215487952U - Normal working structure for replacing valve of pneumatic cut-off and regulating valve actuator

Info

Publication number: CN215487952U
Application number: CN202121910802.8U
Authority: CN
Inventors: 周小丽
Original assignee: Suqian Zhanpeng Valve Co ltd
Current assignee: Suqian Zhanpeng Valve Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-01-11
Anticipated expiration: 2031-08-13

Abstract

The application discloses a normal working structure for replacing a valve of a pneumatic cut-off and regulating valve actuator, which comprises a first valve body, a bracket, a regulating mechanism and a connecting mechanism; the adjusting mechanism comprises an adjusting gear and a connecting sleeve, a second valve body is connected to the top of the first valve body, the diameter of the first valve body is connected with the diameter of the second valve body through a connecting bolt, a support is arranged at the top of the second valve body, an adjusting box is arranged inside the support, a valve rod is arranged in an inner cavity of the adjusting box, a movable plate is sleeved on the surface of the valve rod, the connecting sleeve is sleeved on the surface of the movable plate, lifting rods are fixedly connected to two sides of the connecting sleeve, the lifting rods are provided with the adjusting gear which is meshed with the lifting rods, a pressing plate is fixedly connected to the bottom of the lifting rods, a telescopic rod is fixedly connected to the bottom of the pressing plate, and the telescopic rod is connected with the bottom of the inner cavity of the adjusting box. This application easy operation can adjust the valve rod through adjusting gear, first spring, clamp plate, fly leaf, adapter sleeve, lifter and telescopic link and reciprocate.

Description

Normal working structure for replacing valve of pneumatic cut-off and regulating valve actuator

Technical Field

The application relates to the field of valves, in particular to a normal working structure for replacing a valve by a pneumatic cutting and adjusting valve actuator.

Background

The pneumatic control valve uses compressed gas as a power source, uses a cylinder as an actuator, drives a valve by means of accessories such as a valve positioner, a converter, an electromagnetic valve, a position-retaining valve, a gas storage tank, a gas filter and the like, realizes switching value or proportional regulation, and receives a control signal of an industrial automatic control system to complete the regulation of a pipeline medium: flow, pressure, temperature, liquid level, etc. The pneumatic regulating valve has the characteristics of simple control, quick response and intrinsic safety, and no additional explosion-proof measures are needed.

The pneumatic control valve can regularly change the cylinder in the use, and the valve can not normal operating when changing the cylinder, and the pneumatic control valve that generally adopts moreover can only adjust through the cylinder, does not possess other regulation mode. Therefore, the normal working structure of the pneumatic cut-off and regulation valve actuator replacement valve is provided for solving the problems.

Disclosure of Invention

The normal working structure of the pneumatic cutoff and regulating valve actuator replacement valve is provided in the embodiment and used for solving the problem that the valve cannot be continuously regulated in the cylinder disassembly process in the prior art.

According to one aspect of the application, a normal working structure of a pneumatic cutoff and adjustment valve actuator replacement valve is provided, which comprises a first valve body, a bracket, an adjustment mechanism and a connecting mechanism;

the adjusting mechanism comprises an adjusting gear and a connecting sleeve, a second valve body is connected to the top of the first valve body, the diameter of the first valve body is connected with the diameter of the second valve body through a connecting bolt, a support is arranged at the top of the second valve body, an adjusting box is arranged inside the support, a valve rod is arranged in an inner cavity of the adjusting box, a movable plate is sleeved on the surface of the valve rod, the connecting sleeve is sleeved on the surface of the movable plate, lifting rods are fixedly connected to two sides of the connecting sleeve, the lifting rods are provided with the adjusting gear which is meshed with the lifting rods, a pressing plate is fixedly connected to the bottom of the lifting rods, a telescopic rod is fixedly connected to the bottom of the pressing plate, and the telescopic rod is connected with the bottom of the inner cavity of the adjusting box.

Further, coupling mechanism includes turning block and knob, the turning block inner chamber is equipped with the knob, and the turning block inner chamber does not have cross recess, the slot is all seted up to the knob both sides, the adjustment tank is all seted up to turning block top and bottom, the inside inserted bar that is equipped with of adjustment tank, the inserted bar bottom is run through the turning block and is extended to in the slot, and the inserted bar top runs through turning block connection baffle.

Further, an air cylinder is installed at the top of the support, a push rod is installed at the bottom of the air cylinder, the top end of the valve rod penetrates through the adjusting box, the bottom of the push rod and the top of the valve rod are both connected with connecting plates, and the two connecting plates are connected through screws.

Furthermore, the telescopic rod is formed by mutually sleeving two pipe bodies with different pipe diameters, a first spring is sleeved on the surface of the telescopic rod, the movable plate is fixedly connected with the valve rod, the inner diameter of the connecting sleeve is larger than the outer diameter of the movable plate, and the connecting sleeve is connected with the movable plate through a screw rod.

Further, the inside annular plate that is equipped with of adjustment tank, the annular plate cover is on the inserted bar surface, and annular plate rigid coupling inserted bar, inserted bar one end surface cover has the second spring, second spring both sides rigid coupling annular plate and adjustment tank inner wall respectively, knob one side is equipped with the handle, the inside adjusting gear of regulating box is connected to valve rod one side, adjusting gear rotates on one side and connects the regulating box inner wall.

Through the above-mentioned embodiment of this application, adopted adjustment mechanism, solved the cylinder and dismantled the in-process and can not continue the governing valve problem, guaranteed normal work effect when having obtained the change cylinder.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of one embodiment of the present application;

FIG. 2 is an overall schematic view of an embodiment of the present application;

FIG. 3 is a schematic view of a conditioning cartridge according to an embodiment of the present application;

FIG. 4 is a schematic view of a turning block according to an embodiment of the present application.

In the figure: 1. the valve comprises a first valve body, a second valve body, a 3, an adjusting box, a 4, a support, a 5, a cylinder, a 6, a push rod, a 7, a connecting plate, 8, a valve rod, 9, a connecting bolt, a 10, a first spring, 11, a pressure plate, 12, an adjusting gear, 13, a movable plate, 14, a connecting sleeve, 15, a lifting rod, 16, an expansion rod, 17, a baffle, 18, a rotating block, 19, a ring plate, 20, an adjusting groove, 21, an inserted rod, 22, a knob, 23 and a second spring.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The normal operation structure in this embodiment may be applied to various pneumatic control valves, for example, the following pneumatic control valve is provided in this embodiment, and the normal operation structure in this embodiment may be used to adjust the following pneumatic control valve.

Pneumatic control valve, including the valve body, the both ends edge of valve body has all welded the connecting block, the connecting block is a hollow structure, the inside of connecting block is vertical to be inlayed and is equipped with the frame, the vertical round hole of having seted up of top center department of frame, the round hole has seted up two altogether, and two round holes are about the horizontal central line symmetry of frame, two the equal vertical welding of inside bottom plate center department of round hole has powerful spring, powerful spring has the lug with the one end welding that the inside bottom plate of round hole deviates from, the lug block is in the inside of the U-shaped groove of seting up of the interior table wall top center department of connecting block, the vertical filter screen that is inlayed of interior table wall of frame, the surface of frame has the pull rod near one end edge welding.

The valve comprises a valve body and is characterized in that a connecting piece is welded at the center of the top of the valve body and consists of a first clamping piece and a second clamping piece, a controller is arranged at the top of the connecting piece, a valve rod is fixed at the bottom of the controller and extends to the inside of the valve body, and a valve core is fixed at the bottom of the valve rod.

The vertical welding of the interior table wall of connecting block has the dog, the dog is provided with two altogether, and two dogs are symmetrical about the horizontal central line of connecting block.

The bottom of first fastener is close to the equal vertical welding in both ends edge and has the pole setting, the equal vertical dead slot of having seted up of the corresponding end of pole setting and second fastener, the interior table wall center department level of dead slot is seted up flutedly, the inside bottom plate center department horizontal welding of recess has first branch.

The outer surface cover of first branch is equipped with second branch, the interior table wall of second branch and the surface sliding connection of first branch, first branch and the relative one end center department horizontal welding of dead slot have reset spring.

The surface cover of second branch is equipped with the slide bar, the slide bar extends to the surface of connecting piece, the slide bar extends to the one end welding of connecting piece and has the solid block, the one end that second branch and first branch deviate from inlays and is equipped with first magnet.

And a second magnet is embedded in the opposite surface of the inner bottom plate of the groove and the first supporting rod.

Of course, the present embodiment may be used to adjust other configurations of pneumatic adjustment valves. Here, description is not repeated, and a normal operation structure of the embodiment of the present application is described below.

Referring to fig. 1-4, a normal working structure for replacing a valve by a pneumatic cut-off and adjustment valve actuator comprises a first valve body 1, a bracket 4, an adjustment mechanism and a connection mechanism;

the adjusting mechanism includes adjusting gear 12 and adapter sleeve 14, and the second valve body 2 is connected at 1 top of first valve body, the diameter of first valve body 1 and the 2 diameters of second valve body passes through connecting bolt 9 and connects, 2 tops of second valve body are equipped with support 4, the inside adjusting box 3 that is equipped with of

support

4, 3 inner chambers of adjusting box are equipped with valve rod 8, fly leaf 13 is cup jointed on the surface of valve rod 8, fly leaf 13 surface cover has adapter sleeve 14, the equal rigid coupling lifter 15 in adapter sleeve 14 both sides, 15 one side of lifter are equipped with engaged with adjusting

gear

12, 15 bottom rigid coupling clamp plates 11 of lifter, 11 bottom rigid coupling telescopic links 16 of clamp plates, telescopic links 16 are connected with 3 inner chamber bottoms of adjusting box, can guarantee valve normal operating.

The connecting mechanism comprises a rotating block 18 and a knob 22, the knob 22 is arranged in the inner cavity of the rotating block 18, the inner cavity of the rotating block 18 is not provided with a cross groove, inserting grooves are formed in two sides of the knob 22, adjusting grooves 20 are formed in the top and the bottom of the rotating block 18, an inserting rod 21 is arranged in each adjusting groove 20, the bottom end of each inserting rod 21 penetrates through the rotating block 18 and extends into each inserting groove, and the top end of each inserting rod 21 penetrates through the rotating block 18 and is connected with a baffle 17, so that the rotating block 18 and the knob 22 can be conveniently connected; the top of the support 4 is provided with an air cylinder 5, the bottom of the air cylinder 5 is provided with a push rod 6, the top end of the valve rod 8 penetrates through the adjusting box 3, the bottom of the push rod 6 and the top of the valve rod 8 are both connected with connecting plates 7, and the two connecting plates 7 are connected through screws, so that the air cylinder 5 is convenient to mount and dismount; the telescopic rod 16 is formed by mutually sleeving two pipe bodies with different pipe diameters, the surface of the telescopic rod 16 is sleeved with the first spring 10, the movable plate 13 is fixedly connected with the valve rod 8, the inner diameter of the connecting sleeve 14 is larger than the outer diameter of the movable plate 13, and the connecting sleeve 14 is connected with the movable plate 13 through a screw rod to play a role in resetting and guiding; the inside annular plate 19 that is equipped with of adjustment tank 20, annular plate 19 covers on the inserted bar 21 surface, and 19 rigid coupling inserted bars 21 of annular plate, 21 end surface cover of inserted bar has second spring 23, second spring 23 both sides rigid coupling annular plate 19 and the 20 inner walls of adjustment tank respectively, knob 22 one side is equipped with the handle, the inside adjusting gear 12 of adjusting box 3 is connected to valve rod 8 one side, adjusting gear 12 rotates on one side and connects 3 inner walls of adjusting box, can install knob 22.

When the rotary knob is used, after the air cylinder 5 is disassembled, the connecting plate 7 between the push rod 6 and the valve rod 8 is separated, then the knob 22 is inserted into the rotating block 18, one end of the annular plate 19 can be pushed through the elasticity of the second spring 23, then the inserted rod 21 is inserted into the slot in the knob 22, and when the knob 22 is disassembled, the inserted rod 21 can be pulled through the baffle 17 to leave the slot in the knob 22;

the knob 22 is screwed to drive the rotating blocks 18 to rotate, the adjusting gear 12 can be driven to rotate through the two rotating blocks 18, the lifting rod 15 can be controlled to move up and down when the adjusting gear 12 rotates, the connecting sleeve 14 and the movable plate 13 are connected through screws, when the air cylinder 5 works normally, the movable plate 13 and the connecting sleeve 14 are separated, and when the valve rod 8 moves up and down, the first valve body 1 can be controlled to be switched, so that normal work can be guaranteed.

The application has the advantages that:

1. the valve rod can be adjusted to move up and down through the adjusting gear, the first spring, the pressing plate, the movable plate, the connecting sleeve, the lifting rod and the telescopic rod, and the valve rod can be conveniently and continuously controlled to be used for controlling the first valve body to be opened and closed after the cylinder is dismounted;

2. this application is rational in infrastructure, through turning block, annular plate, adjustment tank, inserted bar, second spring and baffle installation knob, is convenient for connect turning block and knob, also can be convenient for control valve rod, guarantees that first valve body normally works.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a pneumatic normal operating structure of valve that cuts off, governing valve executor is changed which characterized in that: comprises a first valve body (1), a bracket (4), an adjusting mechanism and a connecting mechanism;

the adjusting mechanism comprises an adjusting gear (12) and a connecting sleeve (14), the top of the first valve body (1) is connected with the second valve body (2), the diameters of the first valve body (1) and the second valve body (2) are connected through a connecting bolt (9), a bracket (4) is arranged at the top of the second valve body (2), an adjusting box (3) is arranged in the bracket (4), a valve rod (8) is arranged in the inner cavity of the adjusting box (3), a movable plate (13) is sleeved on the surface of the valve rod (8), the surface of the movable plate (13) is sleeved with a connecting sleeve (14), two sides of the connecting sleeve (14) are fixedly connected with lifting rods (15), one side of the lifting rod (15) is provided with a meshed adjusting gear (12), the bottom of the lifting rod (15) is fixedly connected with a pressing plate (11), the bottom of the pressing plate (11) is fixedly connected with an expansion link (16), and the expansion link (16) is connected with the bottom of the inner cavity of the adjusting box (3).

2. The pneumatic shutoff, regulator valve actuator replacement valve normal operation structure of claim 1, wherein: the connecting mechanism comprises a rotating block (18) and a knob (22), wherein the inner cavity of the rotating block (18) is provided with the knob (22), the inner cavity of the rotating block (18) is not provided with a cross groove, slots are formed in two sides of the knob (22), adjusting grooves (20) are formed in the top and the bottom of the rotating block (18), inserting rods (21) are arranged inside the adjusting grooves (20), the bottom ends of the inserting rods (21) penetrate through the rotating block (18) and extend into the slots, and the top ends of the inserting rods (21) penetrate through connecting baffle plates (17) of the rotating block (18).

3. The pneumatic shutoff, regulator valve actuator replacement valve normal operation structure of claim 1, wherein: support (4) top installation cylinder (5), cylinder (5) bottom installation push rod (6), adjusting box (3) are run through on valve rod (8) top, connecting plate (7) are all connected at push rod (6) bottom and valve rod (8) top, two through screwed connection between connecting plate (7).

4. The pneumatic shutoff, regulator valve actuator replacement valve normal operation structure of claim 1, wherein: the telescopic link (16) is cup jointed each other by the different body of two pipe diameters and is formed, telescopic link (16) surface cover has first spring (10), fly leaf (13) and valve rod (8) looks rigid coupling, adapter sleeve (14) internal diameter is greater than fly leaf (13) external diameter, and adapter sleeve (14) passes through the screw rod with fly leaf (13) and is connected.

5. The pneumatic shutoff, regulator valve actuator replacement valve normal operation structure of claim 2, wherein: adjusting groove (20) inside is equipped with annular plate (19), annular plate (19) cover is on inserted bar (21) surface, and annular plate (19) rigid coupling inserted bar (21), inserted bar (21) one end surface cover has second spring (23), second spring (23) both sides rigid coupling annular plate (19) and adjusting groove (20) inner wall respectively, knob (22) one side is equipped with the handle, inside adjusting gear (12) of adjusting box (3) are connected to valve rod (8) one side, adjusting gear (12) one side is rotated and is connected adjusting box (3) inner wall.