CN212717997U

CN212717997U - Sanitary tank bottom valve

Info

Publication number: CN212717997U
Application number: CN202021181396.1U
Authority: CN
Inventors: 项炳康; 黄海鸥
Original assignee: Wenzhou Haobo Machinery Co ltd
Current assignee: Wenzhou Haobo Machinery Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-03-16
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a sanitary-grade tank bottoms valve, valve body including the Y type, the inside disk seat that has fixed connection in bottom of valve body, the disk seat top has valve clack and is connected with the valve rod through being connected with valve body sliding fit's piston, it has piston two to close to be connected with cylinder and cylinder sliding fit on the valve body soon, lower terminal surface and valve rod fixed connection in the piston two, the spring has in piston two's up end fixedly connected with drum and the drum, be equipped with the filling block in the valve body and be located the valve body of filling block below on be connected with the cylinder through the copper pipe, have the gas port on bolted connection and the closing cap on the cylinder. The utility model discloses in, when the valve was closed, the recess of disk seat pushed down the medium that will be detained with the disk seat under the cooperation of the piston of up-and-down motion in complete block of valve clack and the valve body, and the valve clack is airtight with the tank bottoms valve with the disk seat, and the effectual small part that has prevented the medium is detained, is a high clean sanitary tank bottoms valve.

Description

Sanitary tank bottom valve

Technical Field

The utility model relates to a sanitary-grade tank bottoms valve technical field especially relates to a sanitary-grade tank bottoms valve.

Background

A sanitary tank bottom valve is applied to the industrial fields of biological pharmacy or food processing and the like, is a highly clean sanitary diaphragm valve without detention and is installed at the bottom of container equipment, and is mainly used for emptying a valve, wherein materials in a container cannot be detained in a valve cavity. The problem that a small part of medium is retained in a valve cavity can occur in the existing sanitary tank bottom valve.

Therefore, the utility model provides a sanitary-grade tank bottoms valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, a sanitary tank bottom valve is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sanitary-grade tank bottoms valve, includes the valve body of Y type, the inside disk seat that has fixed connection in bottom of valve body, the disk seat top has valve clack and is connected with the valve rod through being connected with valve body sliding fit's piston one, it has piston two to close to be connected with cylinder and cylinder sliding fit on the valve body soon, lower terminal surface and valve rod fixed connection in the piston two, the spring has in the up end fixedly connected with drum and the drum of piston two, be equipped with the filling block in the valve body and be connected with the cylinder through the copper pipe on the valve body that is located the filling block below, there is the gas port on closing cap and the closing cap through bolted connection on the cylinder.

As a further description of the above technical solution:

the valve rod penetrates through the bottom ends of the filling block and the air cylinder, and the joint of the valve rod and the filling block is subjected to sealing treatment.

As a further description of the above technical solution:

and the lower end face of the piston II and the upper end face of the interior of the cylinder are connected with an air bag, and the air bag, the piston II and the cylinder are connected through fixing rings to enable the interior of the air bag to be closed.

As a further description of the above technical solution:

the valve seat is provided with grooves with arc-shaped sections at two sides, and the valve clacks are clamped with the grooves.

As a further description of the above technical solution:

the fixing ring fixes the air bag on the piston II and the air cylinder through screws.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, when the valve was closed, the recess of disk seat pushed down the medium that will be detained with the disk seat under the cooperation of the piston of up-and-down motion in complete block of valve clack and the valve body, and the valve clack is airtight with the tank bottoms valve with the disk seat, and the effectual small part that has prevented the medium is detained, is a high clean sanitary tank bottoms valve.

2. The utility model discloses in, the use of gasbag has prevented that the gas that promotes the tank bottoms valve from getting into in the valve body, also can prevent tank bottoms valve wearing and tearing when seriously destroying simultaneously, in the medium leakage cylinder in the valve.

Drawings

Fig. 1 shows a schematic front view cross-sectional structure diagram provided according to an embodiment of the present invention;

fig. 2 shows a schematic front view structure diagram provided according to an embodiment of the present invention;

illustration of the drawings:

1. a valve body; 2. a valve seat; 3. a valve flap; 4. a first piston; 5. a valve stem; 6. a cylinder; 7. a second piston; 8. a cylinder; 9. a spring; 10. an air bag; 11. a fixing ring; 12. a copper pipe; 13. filling blocks; 14. a gas port; 15. and (7) sealing the cover.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a sanitary-grade tank bottom valve, valve body 1 including the Y type, valve seat 2 that fixed connection has inside the bottom of valve body 1, valve seat 2 top has valve clack 3 and is connected with valve rod 5 through one 4 with 1 sliding fit's of valve body piston, 4 downstream of piston can not make valve body 1 and the external intercommunication on 4 upper portions of piston, it has two 7 pistons to close fit in 6 and the 6 interior sliding fit of cylinder of valve body on the valve body 1, lower terminal surface and the 5 fixed connection of valve rod in the two 7 pistons, there is spring 9 in the up end fixedly connected with drum 8 and the drum 8 of two 7 pistons, the lateral wall of drum 8 carries out the spacing of horizontal direction to spring 9, be equipped with the packing block 13 in the valve body 1 and be located the packing block 13 below on 1 valve body 1 and be connected with cylinder 6 through copper pipe 12, copper pipe 12 is used for assisting the atmospheric pressure in balanced cylinder 6 and the valve body 1, there is gas port.

Specifically, as shown in fig. 1, an air bag 10 is connected to the lower end face of the second piston 7 and the upper end face of the inside of the air cylinder 6, and the air bag 10 is connected to the second piston 7 and the air cylinder 6 through fixing rings 11 to seal the inside of the air bag 10, so that the tank bottom valve has good sealing performance.

Specifically, as shown in fig. 1, an airbag 10 is connected to the lower end surface of the cylinder 8 and the inner upper end surface of the cylinder 6, the airbag 10 is connected to the cylinder 8 and the cylinder 6 through a fixing ring 11 to seal the inside of the airbag 10, and the fixing ring 11 is pressed against the cylinder 8 to seal the airbag 10.

Specifically, as shown in fig. 1, grooves with circular arc-shaped sections are formed on two sides of the valve seat 2, and the valve flap 3 is clamped with the grooves, so that a medium is prevented from being left in the grooves, and the valve flap 3 is clamped in the grooves to remove the medium residue.

Specifically, as shown in fig. 1, the fixing ring 11 fixes the airbag 10 on the second piston 7 and the cylinder 6 through screws, so as to prevent the tank bottom valve from being seriously worn and prevent gas from leaking into a pipeline or a tank.

The working principle is as follows: during the use, the tank bottoms valve pushes valve rod 5 and piston 4, valve clack 3 downstream under the spring action of spring 9, closes the tank bottoms valve with disk seat 2 cooperation, and gas port 14 is connected with the negative pressure suction device among the prior art for advance piston two 7 upward movement, valve clack 3 and disk seat 2 open and shut, and the medium flows out, extrudes the intracavity detention medium downwards when piston one 4 downstream, and no dead angle detention medium is in the valve behind the block of valve clack 3 and disk seat 2.

The above, only be the concrete implementation 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 is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A sanitary tank bottom valve comprises a Y-shaped valve body (1) and is characterized in that a valve seat (2) fixedly connected is arranged inside the bottom end of the valve body (1), a valve clack (3) is arranged above the valve seat (2), the valve clack (3) is connected with a valve rod (5) through a piston I (4) in sliding fit with the valve body (1), a cylinder (6) is connected on the valve body (1) in a rotating way, a piston II (7) is matched in the cylinder (6) in a sliding way, the lower end surface in the second piston (7) is fixedly connected with the valve rod (5), the upper end surface of the second piston (7) is fixedly connected with a cylinder (8), a spring (9) is arranged in the cylinder (8), a filling block (13) is arranged in the valve body (1), the valve body (1) positioned below the filling block (13) is connected with the cylinder (6) through a copper pipe (12), the air cylinder (6) is connected with a sealing cover (15) through a bolt, and an air port (14) is formed in the sealing cover (15).

2. A sanitary bottom valve according to claim 1, whereby said valve stem (5) penetrates the bottom end of the packing block (13) and the cylinder (6), and the connection between said valve stem (5) and the packing block (13) is sealed.

3. A sanitary tank bottom valve according to claim 1, characterized in that the lower end surface of the piston two (7) and the upper end surface of the inside of the cylinder (6) are connected with an air bag (10), and the air bag (10) is connected with the piston two (7) and the cylinder (6) through a fixing ring (11) and seals the inside of the air bag (10).

4. A sanitary pot bottom valve according to claim 1, characterised in that both sides of the valve seat (2) are provided with grooves with a circular arc-shaped cross section and the valve flap (3) is fastened with the grooves.

5. A sanitary tank bottom valve according to claim 3, characterized in that the fixing ring (11) fixes the gas bag (10) to the piston two (7) and the cylinder (6) by means of screws.