CN215635297U

CN215635297U - Duplex pneumatic valve

Info

Publication number: CN215635297U
Application number: CN202122289821.XU
Authority: CN
Inventors: 池攀攀; 杨丰盛; 叶国步
Original assignee: Odron Control Valve Co ltd
Current assignee: Odron Control Valve Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-01-25
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a duplex pneumatic valve, which comprises a pump body and connecting plates fixedly connected at two ends of the pump body, wherein pneumatic tubes are fixedly connected at the central positions of the two connecting plates, one ends, far away from the two pneumatic tubes, of the two pneumatic tubes are respectively connected with a first three-way valve and a second three-way valve, one side of the top end surface of each connecting plate is provided with a positioning groove, a positioning frame is sleeved on the pump body in a matching manner, the top end of the positioning frame is provided with a bulge part, two ends of the positioning frame are respectively provided with a fixed part in a protruding manner, pneumatic pistons are respectively inserted in the two pneumatic tubes in a matching manner, a buffer assembly connected with the pneumatic pistons is arranged in the pneumatic tubes, a positioning plate is elastically inserted at the bottom ends of the bulge parts and is fixedly connected with the pump body through the positioning plate, the duplex pneumatic valve avoids the impact damage of the pneumatic pistons and the inner wall of the pump body, prolongs the service life of the pneumatic valve, and avoids the overlarge pressure of a pneumatic valve pipeline, resulting in damage to the pipeline.

Description

Duplex pneumatic valve

Technical Field

The utility model belongs to the technical field of pneumatic valves, and particularly relates to a duplex pneumatic valve.

Background

Pneumatic valves are valves which are actuated by means of compressed air. When the pneumatic valve is purchased, the specification, the category and the pressure are only determined to meet the purchasing requirement, and the pneumatic valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

At present, in the working process of a pneumatic valve, a pneumatic piston in the pneumatic valve is easy to collide with a valve body in the moving process, so that the pneumatic valve is easy to be damaged by collision in the using process; meanwhile, most of the existing pneumatic valves are installed on a pipeline and supported by the pipeline, and when the pneumatic valves are too heavy, the pipeline bears too much pressure, so that the pipeline is damaged.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a duplex pneumatic valve to solve the problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a dual pneumatic valve comprising:

the pump body, both ends of the said pump body connect with the joint bar fixedly;

one ends of the two pneumatic pipes close to each other are fixedly connected with the connecting plate, and the other ends of the two pneumatic pipes are respectively connected with a first three-way valve and a second three-way valve;

the pump body is provided with a connecting plate, the top end face of the connecting plate is provided with a positioning groove, the pump body is sleeved with a positioning frame in an anastomotic mode, the top end of the positioning frame is provided with a protruding portion, two fixing portions are arranged at two ends of the positioning frame in a protruding mode, pneumatic pistons are inserted into the pneumatic tubes in an anastomotic mode, a buffering assembly connected with the pneumatic pistons is installed in the pneumatic tubes, and the bottom end of the protruding portion is elastically inserted with a positioning plate and is fixedly connected with the pump body through the positioning plate.

Furthermore, all be provided with a plurality of pipelines on first three-way valve and the second three-way valve, and all be provided with connecting portion on the pipeline of first three-way valve and second three-way valve.

Furthermore, both sides of the top end face of the protruding portion are connected with fixed cylinders, the top ends of the two fixed cylinders are connected with pull rods in a sliding and inserting mode, and the top ends of the two pull rods are connected with pull plates.

Furthermore, the locating plate is coincided to peg graft in the constant head tank, and the equal fixedly connected with telescopic link in top end face both sides of locating plate, and the top of two telescopic links is all slided and is pegged graft in fixed cylinder.

Furthermore, the roof fixedly connected with first spring of a fixed section of thick bamboo, first spring and telescopic link fixed connection are passed to the bottom of pull rod, two the screw has all been attacked to the central point department of putting of fixed part.

Furthermore, the buffering assembly comprises a pressure plate which is fixed on the pneumatic piston and is in a T shape, and second springs which are fixedly connected to two ends of the pressure plate.

Furthermore, the two second springs are fixedly connected with the inner wall of the lug of the pneumatic tube, and the pressing plate is fixedly connected with the pneumatic piston.

The utility model has the technical effects and advantages that: according to the duplex pneumatic valve, the pneumatic piston in the pneumatic pipe is connected with the pressure plate, the pressure plate is connected with the second spring fixed with the pneumatic piston, and the pneumatic piston extrudes the second spring in the moving process, so that the second spring buffers the pneumatic piston, the pneumatic piston is prevented from being damaged by collision with the inner wall of the pump body, and the service life of the pneumatic valve is prolonged; fix the cover through on the pump body and connect the locating rack, the locating rack top is provided with the bellying, is connected with a solid fixed cylinder on the top of bellying, is provided with first spring and telescopic link respectively in a solid fixed cylinder to extrude the locating plate joint in the constant head tank through first spring, thereby make the locating rack and the pump body keep fixed, and support the pump body through the fixed part on the installation locating rack, avoided pneumatic valve pipeline pressure too big, the pipeline damage that causes.

Drawings

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

FIG. 2 is a schematic view of a positioning frame according to the present invention;

FIG. 3 is a schematic view of the positioning frame of the present invention;

fig. 4 is a cross-sectional view of a pneumatic tube of the present invention.

In the figure: 1. a pump body; 2. a connecting plate; 3. a pneumatic tube; 4. a first three-way valve; 5. a connecting portion; 6. positioning a groove; 7. a second three-way valve; 8. a positioning frame; 9. a fixed part; 10. a boss portion; 11. a screw hole; 12. a fixed cylinder; 13. a pull rod; 14. a first spring; 15. pulling a plate; 16. a telescopic rod; 17. positioning a plate; 18. pressing a plate; 19. a second spring; 20. a pneumatic piston.

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.

Referring to fig. 1-3, a pair pneumatic valve, including the pump body 1 and the connecting plate 2 of fixed connection at the pump body 1 both ends, the equal fixedly connected with pneumatic tube 3 of central point department of two connecting plates 2, the one end that two pneumatic tubes 3 kept away from mutually is connected with first three-way valve 4 and second three-way valve 7 respectively, constant head tank 6 has been seted up to top end face one side at connecting plate 2, coincide to have cup jointed locating rack 8 on the pump body 1, bellying 10 has been seted up on the top of locating rack 8, and the both ends of locating rack 8 all the protrusion are provided with fixed part 9, it has pneumatic piston 20 all to coincide to peg graft in two pneumatic tubes 3, and install the buffer unit who is connected with pneumatic piston 20 in the pneumatic tube 3, locating plate 17 has been pegged graft to the bottom elasticity of bellying 10, and through locating plate 17 and pump body 1 fixed connection.

Referring to fig. 1 and 2, a pressure plate 18 having a T-shaped structure is connected to a pneumatic piston 20 in a pneumatic tube 3, a second spring 19 fixed to the pneumatic piston 20 is connected to the pressure plate 18, the pneumatic piston 20 presses the second spring 19 during movement, so that the pneumatic piston 20 is buffered by the second spring 19, damage caused by collision between the pneumatic piston 20 and the inner wall of the pump body 1 is avoided, the service life of the pneumatic valve is prolonged, a plurality of pipelines are respectively arranged on the first three-way valve 4 and the second three-way valve 7, a connecting portion 5 is respectively arranged on the pipelines of the first three-way valve 4 and the second three-way valve 7, fixed cylinders 12 are respectively connected to both sides of a top end surface of the boss 10, pull rods 13 are respectively inserted into the top ends of the two fixed cylinders 12 in a sliding manner, pull plates 15 are respectively connected to the top ends of the two pull rods 13, a positioning plate 17 is inserted into the positioning groove 6 in an engaged manner, and telescopic rods 16 are respectively fixedly connected to both sides of a top end surface of the positioning plate 17, the top ends of the two telescopic rods 16 are slidably inserted into the fixed cylinder 12.

Referring to fig. 3 and 4, a positioning frame 8 is fixedly sleeved on the pump body 1, a protruding portion 10 is arranged at the top end of the positioning frame 8, a fixed cylinder 12 is connected to the top end of the protruding portion 10, a first spring 13 and a telescopic rod 16 are respectively arranged in the fixed cylinder 12, and a positioning plate 17 is extruded by the first spring 13 to be clamped in a positioning groove 6, so that the positioning frame 8 and the pump body 1 are kept fixed, the pump body 1 is supported by a fixing portion 9 arranged on the positioning frame 8 (the first spring 14 is fixedly connected to the top of the fixed cylinder 12 through a support leg or a lead screw connected to the top of the device is in threaded connection with a screw hole 11 arranged on the fixing portion 9), excessive pressure on a pneumatic valve pipe is avoided, pipeline damage is avoided, the top wall of the fixed cylinder 12 is fixedly connected with the first spring 14, the bottom end of the pull rod 13 penetrates through the first spring 14 and the telescopic rod 16, screw holes 11 are arranged at the central positions of the two fixing portions 9, and the buffering assembly comprises a pressing plate 18 which is fixed on the pneumatic piston 20 and is in a T shape, and a second pressing plate 18 which is fixedly connected to two ends of the pressing plate 18 And the two second springs 19 are fixedly connected with the inner wall of the lug of the pneumatic tube 3, and the pressure plate 18 is fixedly connected with the pneumatic piston 20.

The working principle of the duplex pneumatic valve is that after the positioning frame 8 is sleeved on the pump body 1 in an inosculating manner in use, the first spring 14 in the fixed pipe 12 extrudes the telescopic rod 16 and the positioning plate 17 to enable the positioning plate 17 to move out of the bottom end of the protruding portion 10 and to be inserted into the positioning groove 6 in an inosculating manner, so that the positioning frame 8 and the pump body 1 are kept fixed and are connected in the screw hole 11 through the supporting leg threads to support the pump body 1, when the pump body 1 is used, the pneumatic piston 20 is pushed by air pressure to move in the pneumatic pipe 3 and drive the pressing plate 18 to move synchronously, the pressing plate 18 extrudes the second spring 19 in the moving process, and the second spring 19 is enabled to buffer the pneumatic piston 20.

The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art should be covered within the protection scope of the present invention in the technical scope disclosed by the present invention, according to the technical solution of the present invention and the concept of the present invention, equivalent replacement or change is added.

Claims

1. A dual pneumatic valve comprising:

the pump comprises a pump body (1), wherein two ends of the pump body (1) are fixedly connected with connecting plates (2);

one ends of the two pneumatic pipes (3) which are close to each other are fixedly connected with the connecting plate (2), and the other ends of the two pneumatic pipes (3) are respectively connected with a first three-way valve (4) and a second three-way valve (7);

the method is characterized in that: locating slot (6) have been seted up to top end face one side of connecting plate (2), identical cup jointed locating rack (8) on the pump body (1), bellying (10) have been seted up on the top of locating rack (8), and the equal protrusion in both ends of locating rack (8) is provided with fixed part (9), two all coincide in pneumatic tube (3) and peg graft pneumatic piston (20), and install the buffer unit who is connected with pneumatic piston (20) in pneumatic tube (3), the bottom elasticity of bellying (10) is pegged graft and is had locating plate (17) to through locating plate (17) and pump body (1) fixed connection.

2. A dual pneumatic valve as set forth in claim 1, wherein: all be provided with a plurality of pipelines on first three-way valve (4) and second three-way valve (7), and all be provided with connecting portion (5) on the pipeline of first three-way valve (4) and second three-way valve (7).

3. A dual pneumatic valve as set forth in claim 1, wherein: the two sides of the top end face of the protruding portion (10) are connected with fixed cylinders (12), the top ends of the two fixed cylinders (12) are slidably inserted with pull rods (13), and the top ends of the two pull rods (13) are connected with pull plates (15).

4. A dual pneumatic valve as set forth in claim 3, wherein: the positioning plate (17) is matched and inserted into the positioning groove (6), the two sides of the top end face of the positioning plate (17) are fixedly connected with telescopic rods (16), and the top ends of the two telescopic rods (16) are slidably inserted into the fixed cylinder (12).

5. A dual pneumatic valve as set forth in claim 4, wherein: the roof fixedly connected with first spring (14) of fixed cylinder (12), first spring (14) and telescopic link (16) fixed connection are passed to the bottom of pull rod (13), two screw (11) have all been attacked to the central point department of putting of fixed part (9).

6. A dual pneumatic valve as set forth in claim 5, wherein: the buffering assembly comprises a T-shaped pressing plate (18) fixed on the pneumatic piston (20) and second springs (19) fixedly connected to two ends of the pressing plate (18).

7. A dual pneumatic valve as set forth in claim 6, wherein: the two second springs (19) are fixedly connected with the inner wall of the lug of the pneumatic tube (3), and the pressure plate (18) is fixedly connected with the pneumatic piston (20).