CN213871147U

CN213871147U - Pneumatic control valve

Info

Publication number: CN213871147U
Application number: CN202022411636.9U
Authority: CN
Inventors: 彭帮强
Original assignee: Yongjia Bentong Automatic Control Valve Co ltd
Current assignee: Yongjia Bentong Automatic Control Valve Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-08-03
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a pneumatic control valve, including the valve body, the middle part fixed mounting on valve body top has the valve body, and the inside of valve body is rotated and is connected with the valve plate, and the top fixed mounting of valve plate has the valve rod, and the one end of valve rod is passed the first regulation of valve body and valve body top setting and is changeed fixed connection, and the fixed surface of valve rod installs two gear shafts, and two hollow grooves have been seted up to the inside of valve body, the beneficial effects of the utility model are that: through mutually supporting of the gas filling pipe that sets up and first flange, cooperate relevant gas filling equipment, and then be convenient for carry out the gas filling to the gas filling pipe, drive the sealing plug simultaneously, two carriage release levers and two dead levers move at the horizontal direction, drive two rack boards simultaneously and move then, because two gear shafts and two rack boards are connected for the meshing, thereby be convenient for drive two gear shafts and rotate simultaneously, drive valve rod and valve plate then and rotate, and then be convenient for quick carry out position control to the valve plate, improve braking efficiency.

Description

Pneumatic control valve

Technical Field

The utility model relates to a control valve, in particular to pneumatic control valve belongs to pneumatic control valve technical field.

Background

The pneumatic control valve is various pneumatic elements which control the pressure, flow and flow direction of airflow in a pneumatic system and ensure the normal work of a pneumatic actuator or mechanism; the structure of the pneumatic control valve can be decomposed into a valve body (comprising a valve seat, a valve hole and the like) and a valve core, and the valve body is of a normally closed type and a normally open type according to the relative positions of the valve body and the valve core.

The existing pneumatic control valve has no adjusting device which is convenient for quickly adjusting the valve plate in the using process, so that the braking efficiency is influenced to a certain extent; and the existing pneumatic control valve is inconvenient for accurately controlling the flow of the water body, and has certain limitation when in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air control valve to solve the problem that no adjusting device which is convenient for quickly adjusting a valve plate is provided in the background art; and the flow of the water body is not convenient to be accurately controlled.

In order to achieve the above object, the utility model provides a following technical scheme: the pneumatic control valve comprises a valve body, a valve body is fixedly mounted in the middle of the top end of the valve body, a valve plate is rotatably connected in the valve body, a valve rod is fixedly mounted at the top end of the valve plate, one end of the valve rod penetrates through the valve body and is fixedly connected with a first adjusting rotating handle arranged at the top of the valve body, two gear shafts are fixedly mounted on the surface of the valve rod, two hollow grooves are formed in the valve body, springs are fixedly mounted in the hollow grooves, rack plates are slidably connected in the hollow grooves, one ends of the springs are fixedly connected with one sides of the corresponding rack plates respectively, the gear shafts are meshed with the corresponding rack plates respectively, an air filling pipe is fixedly mounted at the top of one side of the valve body, fixing rods are fixedly mounted at the other sides of the rack plates respectively, and moving rods are slidably connected in the hollow grooves respectively, the one end of two the dead lever respectively with the one end fixed connection of the carriage release lever that corresponds, the inside sliding connection of gas-filled pipe has the sealing plug, two the one end of carriage release lever all with one side fixed connection of sealing plug, the rectangular channel has been seted up to the inside of valve body, the inside rotation of rectangular channel is connected with the lead screw, there is the movable plate on the surface of lead screw through two screw-nut threaded connection, the rotation at lead screw both ends is opposite, two the equal fixed mounting in top of movable plate one side has the round pin axle.

As a preferred technical scheme of the utility model, the bottom fixed mounting that first regulation was changeed the handle has solid fixed ring, gu fixed ring's even a plurality of and round pin axle assorted pinhole of having seted up in surface, gu fixed ring's fixed surface is carved with the scale mark.

As a preferred technical scheme of the utility model, the one end of lead screw is passed the valve body and is adjusted with the outside second that sets up of valve body and change fixed connection, one side on valve body top seted up with movable plate assorted shifting chute.

As a preferred technical scheme of the utility model, two the equal fixed mounting in bottom of movable plate has the slider, the inner wall of rectangular channel seted up with slider assorted spout.

As a preferred technical scheme of the utility model, the one end fixed mounting of gas filling pipe has first flange, the both ends fixed mounting of valve body has the second flange.

As an optimized technical scheme of the utility model, the junction fixed mounting of valve rod and valve body has mechanical seal.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses pneumatic control valve, through the mutually supporting of the gas-filling pipe that sets up and first flange, cooperate relevant gas filling equipment, and then be convenient for add gas to the gas-filling pipe, drive sealing plug, two carriage release levers and two dead levers simultaneously and remove in the horizontal direction, then drive two rack plates simultaneously and move, because two gear shafts and two rack plates are meshing connection, thereby be convenient for drive two gear shafts and rotate simultaneously, then drive valve rod and valve plate and rotate, and then be convenient for quick carry out position control to the valve plate, improve braking efficiency; the first regulation through setting up is changeed and is driven valve rod and valve plate and rotate, adjusts through the second that sets up and change and carry out forward rotation to driving the lead screw, cooperation screw-nut and slider for the movable plate removes on the surface of lead screw, makes round pin axle and pinhole peg graft each other, and then is convenient for change to first regulation and carry out spacingly, cooperates the scale mark, is convenient for then carry out accurate control to the flow of water.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is an enlarged schematic view of the utility model at a;

fig. 4 is an enlarged schematic structural diagram of the utility model B.

In the figure: 1. a valve body; 2. a valve body; 3. a valve plate; 4. a valve stem; 5. a mechanical seal; 6. a first adjusting rotating handle; 7. a gear shaft; 8. a hollow groove; 9. a spring; 10. a rack plate; 11. fixing the rod; 12. a travel bar; 13. an air adding pipe; 14. a sealing plug; 15. a first flange; 16. a rectangular groove; 17. a screw rod; 18. moving the plate; 19. a pin shaft; 20. a fixing ring; 21. a slider; 22. a second adjusting rotating handle; 23. scale lines; 24. a second flange.

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. 1-4, the present invention provides a pneumatic control valve, which comprises a valve body 1, a valve body 2 fixedly installed at the middle portion of the top end of the valve body 1, a valve plate 3 rotatably connected to the inside of the valve body 1, a valve rod 4 fixedly installed at the top end of the valve plate 3, a first adjusting rotating handle 6 fixedly connected to the top of the valve body 2 through the valve body 2, two gear shafts 7 fixedly installed on the surface of the valve rod 4, two hollow grooves 8 formed in the valve body 2, springs 9 fixedly installed in the two hollow grooves 8, rack plates 10 slidably connected to the insides of the two hollow grooves 8, one ends of the two springs 9 respectively fixedly connected to one side of the corresponding rack plates 10, the two gear shafts 7 respectively engaged with the corresponding rack plates 10, an air-feeding pipe 13 fixedly installed at the top of one side of the valve body 2, a fixing rod 11 fixedly installed at the other side of the two rack plates 10, equal sliding connection in inside of two hollow grooves 8 has carriage release lever 12, the one end of two dead levers 11 respectively with the one end fixed connection of the carriage release lever 12 that corresponds, the inside sliding connection of gas filler pipe 13 has sealing plug 14, the one end of two carriage release levers 12 all with one side fixed connection of sealing plug 14, rectangular channel 16 has been seted up to the inside of valve body 2, the inside rotation of rectangular channel 16 is connected with lead screw 17, there is movable plate 18 on the surface of lead screw 17 through two screw-nut threaded connection, the rotation at lead screw 17 both ends is opposite, the equal fixed mounting in top of two movable plate 18 one sides has round pin axle 19.

Preferably, the bottom end of the first adjusting rotating handle 6 is fixedly provided with a fixing ring 20, the surface of the fixing ring 20 is uniformly provided with a plurality of pin holes matched with the pin shafts 19, and the surface of the fixing ring 20 is fixedly provided with scale marks 23, so that the fixing ring 20 is convenient to fix, the reading can be conveniently observed with precision, and the use is more convenient; one end of the screw rod 17 penetrates through the valve body 2 to be fixedly connected with a second adjusting rotating handle 22 arranged outside the valve body 2, and one side of the top end of the valve body 2 is provided with a moving groove matched with the moving plate 18, so that the valve rod 4 can be conveniently rotated; the bottom ends of the two moving plates 18 are fixedly provided with sliding blocks 21, and the inner wall of the rectangular groove 16 is provided with a sliding groove matched with the sliding blocks 21, so that the limiting effect is conveniently realized, and the two moving plates 18 move in the horizontal direction; a first flange 15 is fixedly arranged at one end of the gas filling pipe 13, and a second flange 24 is fixedly arranged at two ends of the valve body 1, so that the valve is convenient to assemble with a pipeline, and the use is more convenient; the mechanical sealing element 5 with the type of ZMWZ-90/65 is fixedly arranged at the joint of the valve rod 4 and the valve body 2, so that a good sealing effect is achieved, and the valve body is more convenient to use.

When the pneumatic control valve is used, the pneumatic control valve is firstly placed at a working place and assembled by matching the arranged first flange 15 with related gas filling equipment to ensure the sealing of a joint, so that the two second flanges 24 are assembled with a pipeline, then the gas filling pipe 13 is inflated by the related gas filling equipment to simultaneously drive the sealing plug 14, the two movable rods 12 and the two fixed rods 11 to move in the horizontal direction and then simultaneously drive the two rack plates 10 to move, because the two gear shafts 7 and the two rack plates 10 are connected in a meshing way, the two gear shafts 7 are conveniently driven to simultaneously rotate, at the moment, the mutually corresponding springs 9 are simultaneously contracted, and then the valve rod 4 and the valve plate 3 are driven to rotate, thereby being convenient for rapidly carrying out position adjustment on the valve plate 3, the braking efficiency is improved; when needs are controlled the water flow, at first close relevant air entrainment equipment, stop the air entrainment, rotate first regulation after that and change 6, first regulation is changeed 6 and is driven valve rod 4 and valve plate 3 and rotate, then change 22 through the second regulation that sets up and drive lead screw 17 and carry out forward rotation, cooperation screw-nut and slider 21, make movable plate 18 remove on the surface of lead screw 17, make round pin axle 19 and pinhole peg graft each other, and then be convenient for change 6 spacing to solid fixed ring 20 and first regulation, cooperation scale mark 23, be convenient for then carry out accurate control to the flow of water, it is more convenient to use.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. Pneumatic control valve, including valve body (1), its characterized in that, the middle part fixed mounting on valve body (1) top has valve body (2), the inside of valve body (1) rotates and is connected with valve plate (3), the top fixed mounting of valve plate (3) has valve rod (4), the one end of valve rod (4) is passed valve body (2) and is changeed (6) fixed connection with the first regulation that valve body (2) top set up, the fixed surface of valve rod (4) installs two gear shafts (7), two hollow groove (8) have been seted up to the inside of valve body (2), two the equal fixed mounting in inside of hollow groove (8) has spring (9), two the equal sliding connection in inside of hollow groove (8) has rack plate (10), two the one end of spring (9) respectively with one side fixed connection of corresponding rack plate (10), the two gear shafts (7) are respectively meshed with corresponding rack plates (10) to be connected, an air adding pipe (13) is fixedly arranged at the top of one side of the valve body (2), fixed rods (11) are fixedly arranged at the other sides of the two rack plates (10), a moving rod (12) is slidably connected inside the hollow groove (8), one end of each fixed rod (11) is fixedly connected with one end of the corresponding moving rod (12), a sealing plug (14) is slidably connected inside the air adding pipe (13), one end of each moving rod (12) is fixedly connected with one side of the sealing plug (14), a rectangular groove (16) is formed in the valve body (2), a lead screw (17) is rotatably connected inside the rectangular groove (16), and a movable plate (18) is connected to the surface of the lead screw (17) through two lead screw nuts, the rotating directions of the two ends of the screw rod (17) are opposite, and pin shafts (19) are fixedly mounted at the tops of one sides of the two moving plates (18).

2. A pneumatic control valve according to claim 1, wherein: the bottom fixed mounting who changes handle (6) first regulation has solid fixed ring (20), gu the even pinhole of having seted up a plurality of and round pin axle (19) assorted in surface of fixed ring (20), gu the fixed surface of fixed ring (20) is carved with scale mark (23).

3. A pneumatic control valve according to claim 1, wherein: one end of the screw rod (17) penetrates through the valve body (2) and is fixedly connected with a second adjusting rotating handle (22) arranged outside the valve body (2), and one side of the top end of the valve body (2) is provided with a moving groove matched with the moving plate (18).

4. A pneumatic control valve according to claim 1, wherein: the bottom end of the two moving plates (18) is fixedly provided with a sliding block (21), and the inner wall of the rectangular groove (16) is provided with a sliding groove matched with the sliding block (21).

5. A pneumatic control valve according to claim 1, wherein: one end fixed mounting of gas filling pipe (13) has first flange (15), the both ends fixed mounting of valve body (1) has second flange (24).

6. A pneumatic control valve according to claim 1, wherein: and a mechanical sealing element (5) is fixedly arranged at the joint of the valve rod (4) and the valve body (2).