CN212028646U

CN212028646U - Combined fluorine-lined check valve

Info

Publication number: CN212028646U
Application number: CN202020699606.XU
Authority: CN
Inventors: 沈永增; 沈民侠
Original assignee: Zhejiang Yonglian Valve Group Co ltd
Current assignee: Zhejiang Yonglian Valve Group Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-11-27
Anticipated expiration: 2030-04-30

Abstract

The utility model belongs to the technical field of the check valve technique and specifically relates to a combined type fluorine check valve of lining, including the main casing body, main casing body both ends all are fixed with the link plate, a plurality of mounting holes have been seted up on the link plate, main casing body top is installed and is covered and establish the mechanism, main internal portion one side is fixed with the interior crown plate, the baffle has been placed to interior crown plate one side, baffle and interior crown plate contact department are fixed with sealed the pad, the baffle is located all around and is connected with canceling release mechanical system between the interior crown plate, canceling release mechanical system includes slide and recess, the slide is fixed in baffle department all around, the recess is seted up in interior crown plate department all around. The check valve will blow open the flap when the media flows in one direction, thereby allowing flow within the main housing.

Description

Combined fluorine-lined check valve

Technical Field

The utility model relates to a check valve technical field especially relates to a combined type fluorine lining check valve.

Background

Fluorine-lined check valves (also known as check valves) are of the type that allow flow of media in one direction only, but prevent flow in the other direction. The check valve is used for preventing the medium from flowing back when the medium flows, and the conventional fluorine-lined check valve has poor check effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of poor non-return effect in the prior art and providing a composite fluorine-lined check valve.

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

the utility model provides a combined type fluorine check valve of lining, includes the main casing body, main casing body both ends all are fixed with the link plate, a plurality of mounting holes have been seted up on the link plate, main casing body top is installed and is covered and establish the mechanism, main casing body inside one side is fixed with the interior crown plate, the baffle has been placed to interior crown plate one side, the baffle is fixed with sealed the pad with interior crown plate contact department, the baffle is connected with canceling release mechanical system around and between the interior crown plate, canceling release mechanical system includes slide and recess, the slide is fixed in baffle department all around, the recess is seted up in interior crown plate department all around, the bottom is fixed with the slide bar in the recess, slide bar one end is passed the slide and is fixed with the crown plate, the slide bar overcoat is equipped with the spring, spring one end is fixed.

Preferably, the mechanism is established to lid includes the crown plate, the crown plate is fixed in main casing body top, the roof has been placed on the crown plate, the roof bottom is fixed with the rubber pad, the roof is connected with the crown plate through the bolt all around.

Preferably, a side annular plate is fixed on one side in the main shell, a rotating plate is rotatably arranged on one side of the side annular plate, and a limiting mechanism is fixed on the side annular plate on one side above the rotating plate.

Preferably, the limiting mechanism comprises a cross rod, the cross rod is fixed on the side annular plate on one side above the rotating plate, and a limiting bulge is fixed on one side below the cross rod.

Preferably, an iron block is embedded in the lower portion of the rotating plate.

The utility model provides a combined type fluorine check valve of lining, beneficial effect lies in: when no medium flows in the main shell, the baffle can be in contact with the inner ring plate through the reset mechanism, so that the inner ring plate is closed, and the condition that the medium in the main shell flows back is prevented.

Drawings

Fig. 1 is a schematic view of the composite fluorine-lined check valve according to the present invention.

Fig. 2 is a schematic side view of the composite fluorine-lined check valve of the present invention.

Fig. 3 is a schematic structural view of a reset mechanism of the combined fluorine-lined check valve of the present invention.

In the figure: the device comprises a main shell 1, a top plate 2, an upper ring plate 3, an inner ring plate 4, a baffle plate 5, a sealing gasket 6, a reset mechanism 7, a sliding plate 71, a groove 72, a sliding rod 73, a limiting plate 74, a spring 75, a connecting ring plate 8, a mounting hole 9, a side ring plate 10, a rotating plate 11, an iron block 12, a transverse plate 13, a limiting protrusion 14, a bolt 15 and a rubber gasket 16.

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.

Example 1

Referring to fig. 1-3, a composite fluorine-lined check valve comprises a main housing 1, wherein two ends of the main housing 1 are both fixed with a connecting ring plate 8, the connecting ring plate 8 is provided with a plurality of mounting holes 9, a cover mechanism is installed above the main housing 1, an inner ring plate 4 is fixed at one side inside the main housing 1, a baffle plate 5 is placed at one side of the inner ring plate 4, a sealing gasket 6 is fixed at the contact position of the baffle plate 5 and the inner ring plate 4, a reset mechanism 7 is connected between the periphery of the baffle plate 5 and the inner ring plate 4, the reset mechanism 7 comprises a sliding plate 71 and a groove 72, the sliding plate 71 is fixed at the periphery of the baffle plate 5, the groove 72 is arranged at the periphery of the inner ring plate 4, a sliding rod 73 is fixed at the bottom inside the groove 72, one end of the sliding rod 73 penetrates through the sliding plate 71 and is fixed with a limiting plate 74, a spring 75 is sleeved outside the sliding, the baffle 5 is opened to flow in the main casing 1, and when no medium flows in the main casing 1, the return mechanism 7 can make the baffle 5 contact with the inner ring plate 4 to close the inner ring plate 4, thereby preventing the medium in the main casing 1 from flowing back.

Example 2

Referring to fig. 1, as another preferred embodiment of the present invention, the difference from embodiment 1 lies in that the covering mechanism includes an upper ring plate 3, the upper ring plate 3 is fixed above the main casing 1, a top plate 2 is placed on the upper ring plate 3, a rubber pad 16 is fixed at the bottom of the top plate 2, the top plate 2 is connected with the upper ring plate 3 through bolts 15, if the inside of the main casing 1 needs to be checked, only the bolts 15 need to be taken out first, and then the top plate 2 is taken down.

Example 3

Referring to fig. 1, as another preferred embodiment of the present invention, the difference from embodiment 1 lies in that, a side ring plate 10 is fixed on one side inside a main casing 1, the side ring plate 10 rotates to be provided with a rotating plate 11, an iron block 12 is embedded inside the lower part of the rotating plate 11, a limiting mechanism is fixed on the side ring plate 10 on one side above the rotating plate 11, the limiting mechanism includes a horizontal rod 13, the horizontal rod 13 is fixed on the side ring plate 10 on one side above the rotating plate 11, a limiting protrusion 14 is fixed on one side below the horizontal rod 13, the effect of non-return can be achieved through the rotating plate 11, the rotating plate 11 can be limited by the limiting mechanism according to the rotating angle, and the rotating plate 11 can automatically fall down through the iron block 12.

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. The utility model provides a combined type fluorine lining check valve, includes main casing body (1), its characterized in that, main casing body (1) both ends all are fixed with connection ring board (8), a plurality of mounting holes (9) have been seted up on connection ring board (8), main casing body (1) top is installed and is covered and establish the mechanism, main casing body (1) inside one side is fixed with interior crown plate (4), baffle (5) have been placed to interior crown plate (4) one side, baffle (5) and interior crown plate (4) contact department are fixed with sealed pad (6), be connected with canceling release mechanical system (7) between baffle (5) department all around and interior crown plate (4), canceling release mechanical system (7) include slide (71) and recess (72), department all around baffle (5) is fixed in slide (71), recess (72) are seted up in interior crown plate (4) department all around, the bottom is fixed with slide bar (73) in recess (72), one end of the sliding rod (73) penetrates through the sliding plate (71) and is fixedly provided with a limiting plate (74), a spring (75) is sleeved outside the sliding rod (73), one end of the spring (75) is fixed on the sliding plate (71), and the other end of the spring (75) is fixed at the bottom of the groove (72).

2. The compound fluorine-lined check valve according to claim 1, wherein the covering mechanism comprises an upper ring plate (3), the upper ring plate (3) is fixed above the main casing (1), a top plate (2) is placed on the upper ring plate (3), a rubber pad (16) is fixed at the bottom of the top plate (2), and the top plate (2) is connected with the upper ring plate (3) at the periphery through bolts (15).

3. The compound fluorine-lined check valve according to claim 1, wherein a side ring plate (10) is fixed on one side inside the main housing (1), a rotating plate (11) is rotatably arranged on one side of the side ring plate (10), and a limiting mechanism is fixed on the side ring plate (10) on one side above the rotating plate (11).

4. The compound fluorine-lined check valve according to claim 3, wherein the limiting mechanism comprises a cross bar (13), the cross bar (13) is fixed on the side ring plate (10) on one side above the rotating plate (11), and a limiting protrusion (14) is fixed on one side below the cross bar (13).

5. A composite fluorine-lined check valve according to claim 3, wherein an iron block (12) is embedded in the lower portion of the rotating plate (11).