CN213110754U

CN213110754U - Anti-blocking blowing aid

Info

Publication number: CN213110754U
Application number: CN202021206004.2U
Authority: CN
Inventors: 刘满红; 许海束; 吴开拓; 唐汪龙; 詹龙泉
Original assignee: Zhejiang Jialong Mchanical Equipment Co ltd
Current assignee: Zhejiang Jialong Mchanical Equipment Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-05-04
Anticipated expiration: 2030-06-28

Abstract

The utility model relates to a prevent blockking up and help and blow ware, characterized by: comprises a valve rod, a bottom plate, a butterfly valve clack and a valve cap; the butterfly valve clack is of a butterfly disc structure made of elastic rubber, the opening of the butterfly disc is upward and concentrically and fixedly arranged at the lower end of the valve rod, the central hole of the bottom plate is sleeved on the valve rod, the lower plane of the bottom plate is pressed against the upper port of the butterfly valve clack, and the upper plane is tightly attached to the inner wall of the container of the tank body; the valve cap is fixedly connected to the upper end of the valve rod through a screw, the lower port of the valve cap is sealed and pressed on the outer wall of the tank container, the upper end of the screw is fixedly connected with a handle, and the side wall of the valve cap is provided with an air pressure air inlet port communicated with the inner cavity of the valve cap. The check valve has the function of a check valve, prevents the blockage of an air pressure channel, and has good working reliability.

Description

Anti-blocking blowing aid

Technical Field

The utility model relates to a help and blow the ware, especially relate to a jar body powder helps and blows ware. The utility model is suitable for a powder jar body helps advancing the ware that blows of helping that powder material flows.

Background

In tank containers for powder materials in bulk cement transportation, food production processes and the like, the powder materials are easy to adhere to the inner wall of the tank container, so that the powder materials are difficult to load and unload. In order to improve the fluidity of the powder material, a blowing pipe is generally inserted into the tank container to input compressed air to blow and sweep the inner wall of the tank container, so as to blow off the powder adhered to the inner wall of the tank container, improve the fluidity of the powder material and smoothly load and unload the powder material. The disadvantages are that: when the blowing is stopped, the powder material in the tank container can be sucked back into the blowing pipe, so that the air passage is blocked.

Disclosure of Invention

The utility model discloses shortcoming to prior art exists provides one kind and can prevent that powder material from getting into the air flue, prevents blockking up of blowing gas way jam and helps the ware.

The utility model discloses prevent blockking up and help and blow ware, characterized by: comprises a valve rod, a bottom plate, a butterfly valve clack and a valve cap; the butterfly valve clack is of a butterfly disc structure made of elastic rubber, the opening of the butterfly disc is upward and concentrically and fixedly arranged at the lower end of the valve rod, a central hole of the bottom plate is sleeved on the valve rod, the lower plane of the bottom plate is pressed against the upper port of the butterfly valve clack, the upper plane is tightly attached to the inner wall of the tank container, and the diameter of the central hole of the bottom plate is larger than the outer diameter of the; the upper end of the valve rod penetrates through a mounting hole of the tank container, and the diameter of the mounting hole of the tank container is larger than the outer diameter of the valve rod; the valve cap is fixedly connected to the upper end of the valve rod through a screw, the lower port of the valve cap is sealed and pressed on the outer wall of the tank container, the diameter of the inner cavity of the lower port of the valve cap is larger than that of the mounting hole of the tank container, the upper end of the screw is fixedly connected with the handle, a belleville spring is mounted between the upper end face of the valve cap and the handle, the mounting hole of the valve cap is in dynamic sealing fit with the outer circular face of the screw, and the side wall of the valve cap is.

Preferably, the side wall of the valve cap is provided with a left air pressure output interface and a right air pressure output interface which are communicated with the inner cavity of the valve cap, and the left air pressure output interface and the right air pressure output interface are respectively communicated with the air pressure inlet interfaces on the valve cap of the anti-blocking blowing aid which is adjacently arranged on the tank body container left and right.

Preferably, an annular sealing gasket is arranged between the lower port of the valve cap and the outer wall of the tank container, the annular sealing gasket is of an upper annular structure and a lower annular structure which are formed by integrally pressing and injecting plastic materials, the diameter of a cylindrical hole formed by the inner annular walls of the upper annular structure and the lower annular structure is larger than the outer diameter of the valve rod, the outer diameter of the lower annular structure is larger than the outer diameter of the upper annular structure, the outer cylindrical surface of the upper annular structure is nested on the inner cavity wall of the lower port of the valve cap, and the lower port of the valve cap is pressed on the radial annular step of the lower.

Preferably, the bottom plate is formed by a silicon rubber layer lined on a steel plate.

Compared with the prior art, the utility model beneficial effect be: the butterfly valve clack and the bottom plate form elastic contact, when the air pressure is communicated, the butterfly valve clack is separated from the bottom plate, the air pressure sweeps the inner wall of the tank container through a gap between the butterfly valve clack and the bottom plate, when the air pressure is disconnected, the butterfly valve clack presses the bottom plate to be in sealing contact, powder is prevented from flowing backwards to enter the valve cap, the check valve has the function of a check valve, the air pressure channel is prevented from being blocked, and the working reliability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the installation position of the present invention on the tank container.

Detailed Description

The anti-blocking blowing aid shown in figure 1 is characterized in that: comprises a valve rod 2, a bottom plate 5, a butterfly valve clack 4 and a valve cap 10; the butterfly valve clack 4 adopts a butterfly disc structure made of elastic rubber, the opening of the butterfly disc is upward and concentrically and fixedly arranged at the lower end of the valve rod 2, a central hole of the bottom plate 5 is sleeved on the valve rod 2, the lower plane of the bottom plate is pressed against the upper port of the butterfly valve clack 4, the upper plane is tightly attached to the inner wall of the tank container 14, a pneumatic cavity 15 is formed between the bottom plate 5 and the butterfly valve clack 4, and the diameter of the central hole of the bottom plate 5 is larger than; the upper end of the valve rod 2 penetrates through a mounting hole of the tank container 14, and the diameter of the mounting hole of the tank container 14 is larger than the outer diameter of the valve rod 2, so that gas outside the tank container 14 can enter a gas pressure cavity 15 between the butterfly valve flap 4 and the bottom plate 5 from an annular gap between the outer circular surface of the valve rod 2 and the mounting hole of the tank container 14 and the central hole of the bottom plate 5; the valve cap 10 is fixedly connected to the upper end of the valve rod 2 through a screw 9, the lower port of the valve cap is hermetically pressed on the outer wall of the tank container 14, the diameter of an inner cavity of the lower port of the valve cap 10 is larger than that of a mounting hole of the tank container 14, so that the inner cavity of the valve cap 10 and the air pressure cavity 15 form a closed cavity, the upper end of the screw 9 is fixedly connected with a handle 6, a belleville spring 7 is mounted between the upper end face of the valve cap 10 and the handle 6, the mounting hole of the valve cap 10 is in dynamic sealing fit with the outer circular face of the screw 9, an O-shaped ring 8 is mounted between the mounting hole of the. When the air pressure air inlet interface 11 is communicated with high-pressure air, the high-pressure air enters the air pressure cavity 15 from the inner cavity of the valve cap 10 through an annular gap between the outer circular surface of the valve rod 2 and the mounting hole of the tank container 14 and the central hole of the bottom plate 5, the upper port of the butterfly valve flap 4 is elastically opened and separated from the lower plane of the bottom plate 5 under the action of the high-pressure air, the high-pressure air is sprayed out from the annular gap between the upper port of the butterfly valve flap 4 and the lower plane of the bottom plate 5 to purge the inner wall of the tank container 14, and powder media adhered to the inner wall of the tank container 14 are blown off to stir the fluidity of the powder; when the air pressure inlet interface 11 cuts off high-pressure air, the elasticity of the butterfly valve flap 4 seals and closes the upper end of the butterfly valve flap and the lower end surface of the bottom plate 5, so that powder media in the tank container 14 are prevented from being sucked into the air pressure cavity 15 and the inner cavity of the valve cap 10, and the air passage is prevented from being blocked.

The side wall of the valve cap 10 is provided with a left air pressure output interface 1 and a right air pressure output interface 12 which are communicated with the inner cavity of the valve cap, and the left air pressure output interface 1 and the right air pressure output interface 12 are respectively communicated with the air pressure inlet interfaces on the valve cap of the anti-blocking blowing-assisting device which is adjacently arranged on the tank container 14 at the left and the right. A purge system consisting of several series connected anti-clog booster air passages is formed in the tank container 14 as shown in fig. 2.

The circular sealing gasket 3 is arranged between the lower port of the valve cap 10 and the outer wall of the tank container 14, the circular sealing gasket 3 is of an upper circular ring and a lower circular ring structure formed by integrally injecting plastic materials, the diameter of a cylindrical hole formed by the inner circular walls of the upper circular ring and the lower circular ring is larger than the outer diameter of the valve rod 2, high-pressure air can pass through a gap between the upper circular ring and the lower circular ring, the outer diameter of the lower circular ring is larger than the outer diameter of the upper circular ring, a radial annular step is formed at the joint of the lower circular ring and the upper circular ring, the outer cylindrical surface of the upper circular ring is embedded in the inner cavity wall of the lower port of the valve cap 10, the lower port of the valve cap 10 is pressed on.

The bottom plate 5 is formed by lining a silica gel layer 13 on a plane of a steel plate, so that the bottom plate 5 has the rigidity strength and the wear resistance and the sealing performance of the silica gel.

Claims

1. The utility model provides a prevent blockking up and help and blow ware which characterized by: comprises a valve rod (2), a bottom plate (5), a butterfly valve flap (4) and a valve cap (10); the butterfly valve clack (4) adopts a butterfly disc structure made of elastic rubber, the opening of the butterfly disc is upward and concentrically and fixedly arranged at the lower end of the valve rod (2), a central hole of the bottom plate (5) is sleeved on the valve rod (2), the lower plane of the bottom plate pushes against the upper port of the butterfly valve clack (4), the upper plane is tightly attached to the inner wall of the tank container (14), and the diameter of the central hole of the bottom plate (5) is larger than the outer diameter of the valve rod (2); the upper end of the valve rod (2) penetrates through a mounting hole of the tank container (14), and the diameter of the mounting hole of the tank container (14) is larger than the outer diameter of the valve rod (2); valve cap (10) are by screw rod (9) fixed connection in valve rod (2) upper end, its lower port seal pressure equipment is on the outer wall of jar body container (14), the inner chamber diameter of valve cap (10) lower port is greater than the diameter of jar body container (14) mounting hole, screw rod (9) upper end fixed connection handle (6), install belleville spring (7) between valve cap (10) up end and handle (6), the movable seal cooperation between valve cap (10) mounting hole and screw rod (9) outer disc, valve cap (10) lateral wall is equipped with the atmospheric pressure interface of admitting air (11) of intercommunication its inner chamber.

2. The anti-clogging blowing aid of claim 1, wherein: the side wall of the valve cap (10) is provided with a left air pressure output interface (1) and a right air pressure output interface (12) which are communicated with the inner cavity of the valve cap, and the left air pressure output interface (1) and the right air pressure output interface (12) are respectively communicated with an air pressure inlet interface on the valve cap of an anti-blocking blowing aid which is adjacently arranged on the left side and the right side of the valve cap.

3. An anti-clogging blowing aid according to claim 1 or 2, wherein: set up ring packing pad (3) between valve cap (10) lower port and jar body container (14) outer wall, this ring packing pad (3) adopt plastic material integrative pressure to annotate and form ring structure under and, the diameter that the inner ring wall of going up ring and lower ring constitutes the cylinder hole is greater than valve rod (2) external diameter, the external diameter of lower ring is greater than the external diameter of last ring, the outer face of cylinder nestification of going up the ring is in the inner chamber wall of valve cap (10) lower port, port pressure equipment is on the radial annular step of ring down under valve cap (10).

4. An anti-clogging blowing aid according to claim 1 or 2, wherein: the bottom plate (5) is formed by a silicon rubber layer (13) lined on a plane of a steel plate.

5. The anti-clogging blowing aid according to claim 3, wherein: the bottom plate (5) is formed by a silicon rubber layer (13) lined on a plane of a steel plate.