CN211203000U - Check valve for rubber pipeline - Google Patents

Abstract

The utility model provides a check valve for rubber pipeline relates to check valve technical field. This check valve for rubber pipeline, including the valve body, the left and right sides face fixedly connected with connecting plate of valve body, the outer wall of valve body is pegged graft and is had a vertical section of thick bamboo, and the interior roof fixedly connected with U type pole of a vertical section of thick bamboo, the interior diapire of U type pole are pegged graft and are had the montant, and the montant downwardly extending is to the inside of valve body, and the montant is located the inside one end fixedly connected with limiting plate of U type pole, and the upper surface of limiting plate and the interior roof of a vertical section of thick bamboo. This check valve for rubber pipeline through setting up baffle, T-shaped pole, ejector pad and second spring, and the further ejector pad that can make moves down, and the second spring upwards contracts simultaneously, can make T-shaped pole drive ejector pad reset, sets up trapezoidal piece simultaneously, and horizontal pole, sealed piece, slider and spout, further sealed piece can supply the part of sealing washer wearing and tearing, thereby the further sealing washer that can prevent wearing and tearing make sealing performance poor.

Description

Check valve for rubber pipeline

Technical Field

The utility model relates to a check valve technical field specifically is a check valve for rubber pipeline.

Background

The check valve is a valve with a circular valve clack between the open and close and can block the medium from flowing backwards by the action of the self weight and the medium pressure, and belongs to the automatic valve class. The valve clack also can be called a check valve, a reflux valve or an isolation valve, and the movement modes of the valve clack are lifting and swing.

However, the sealing ring of the existing check valve often adopts a soft rubber sealing ring, and the sealing ring often suffers from abrasion of the valve body wall and corrosion of media to the sealing ring for a long time in the long-term practical process of the check valve, so that the sealing performance is poor when the check valve is closed often, and the check valve loses the original function.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a check valve for rubber pipeline has solved the problem mentioned in the above background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a check valve for rubber pipelines comprises a valve body, wherein connecting plates are fixedly connected to the left side surface and the right side surface of the valve body, a vertical cylinder is inserted into the outer wall of the valve body, a U-shaped rod is fixedly connected to the inner top wall of the vertical cylinder, a vertical rod is inserted into the inner bottom wall of the U-shaped rod, the vertical rod extends downwards to the inside of the valve body, a limiting plate is fixedly connected to one end, located inside the U-shaped rod, of the vertical rod, the upper surface of the limiting plate is fixedly connected with the two ends of the inner top wall of the vertical cylinder through a first spring, a baffle is fixedly connected to one end, located inside the valve body, of the vertical rod, a sealing plate is fixedly connected inside the valve body, a T-shaped rod is inserted into the position, located below the baffle, of the upper surface of the T-shaped rod, located inside the sealing plate, of one end of the T-, the right side of closing plate has seted up the recess, the inside of recess is provided with sealed piece, the left side fixedly connected with horizontal pole of sealed piece, the horizontal pole extends the inside of closing plate to the right side, and the horizontal pole is located the inside one end fixedly connected with trapezoidal piece of closing plate, the surface that the horizontal pole is located the inside one end of closing plate has cup jointed the third spring, and the both ends fixed connection of third spring is on the right flank of trapezoidal piece and the right side inner wall of closing plate, the lower fixed surface of trapezoidal piece is connected with the slider, the spout has been seted up to the inner bottom wall of closing plate, and slider and spout.

Preferably, the number of the first springs is three, and the first springs are distributed between the upper surface of the limiting plate and the inner top wall of the vertical cylinder at equal intervals.

Preferably, the inclined plane of the pushing block is parallel to the inclined plane of the trapezoidal block, and the pushing block is positioned on the right side of the trapezoidal block.

Preferably, the baffle is located above the sealing plate, the outer surface of the lower end of the baffle is sleeved with the sealing ring, and the outer surface of the sealing ring is connected with the sealing plate in a sliding mode.

Preferably, the up-and-down movement distance of the push block is equal to the left-and-right movement distance of the trapezoidal block, and the distance between the left end and the right end of the upper surface of the push block is greater than the distance between the left end and the right end of the lower surface of the push block.

Preferably, the baffle plate is T-shaped, and the lower end of the baffle plate is positioned in the sealing plate.

(III) advantageous effects

The utility model provides a check valve for rubber pipeline. The method has the following beneficial effects:

1. the check valve for the rubber pipeline is characterized in that the baffle, the T-shaped rod, the push block and the second spring are arranged, the baffle can be further moved downwards when the sealing ring is abraded, the T-shaped rod can be further moved downwards, the push block can be further moved downwards, meanwhile, when the baffle is moved upwards, the second spring is contracted upwards to enable the T-shaped rod to drive the push block to reset, the trapezoidal block, the transverse rod, the sealing block, the sliding block and the sliding groove are arranged, the trapezoidal block can be further moved downwards to enable the trapezoidal block to drive the sliding block to move rightwards, the third spring can be further contracted, the transverse rod can be further enabled to drive the sealing block to move rightwards, the sealing block can be further contacted with the sealing ring, the further sealing block can supplement the abraded part of the sealing ring, and further the sealing ring can be prevented from being abraded so that the sealing performance is poor, further prolonging the service life of the check valve.

2. This check valve for rubber pipeline, through setting up first spring, limiting plate, montant and baffle, further can make the baffle rebound when the medium passes through the check valve, further can make the montant rebound, further messenger's limiting plate rebound makes first spring contract, and when the medium stopped, first spring made the limiting plate rebound simultaneously, and further can make the baffle seal up the check valve.

Drawings

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

FIG. 2 is a schematic sectional view of the front structure of the present invention;

FIG. 3 is a schematic diagram showing the structure of the present invention in a partially enlarged manner;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

The valve comprises a valve body 1, a connecting plate 2, a vertical cylinder 3, a U-shaped rod 4, a limiting plate 5, a first spring 6, a vertical rod 7, a sealing plate 8, a baffle 9, a sealing ring 10, a T-shaped rod 11, a push block 12, a trapezoidal block 13, a sliding block 14, a sliding groove 15, a cross rod 16, a sealing block 17, a second spring 18 and a third spring 19.

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.

The embodiment of the utility model provides a check valve for rubber pipeline, as shown in fig. 1-4, including a valve body 1, the left and right sides face of the valve body 1 is fixedly connected with a connecting plate 2, a connecting plate 2 is provided, further the check valve can be connected with the rubber pipeline, the outer wall of the valve body 1 is inserted with a vertical tube 3, the inner top wall of the vertical tube 3 is fixedly connected with a U-shaped rod 4, the inner bottom wall of the U-shaped rod 4 is inserted with a vertical rod 7, the vertical rod 7 extends downwards to the interior of the valve body 1, one end of the vertical rod 7 located in the U-shaped rod 4 is fixedly connected with a limit plate 5, the upper surface of the limit plate 5 is fixedly connected with the inner top wall of the vertical tube 3 through the two ends of a first spring 6, a first spring 6 is provided, further the vertical rod 7 can be moved downwards, one end of the vertical rod 7 located in the interior of the valve body 1 is fixedly connected with a baffle, further, the check valve can be sealed, a sealing plate 8 is fixedly connected to the inside of the valve body 1, the sealing plate 8 is arranged, the check valve is further sealed by matching the baffle plate 9, a T-shaped rod 11 is inserted into a position, below the baffle plate 9, of the upper surface of the sealing plate 8, a push block 12 is fixedly connected to one end, located inside the sealing plate 8, of the T-shaped rod 11, the T-shaped rod 11 is arranged, the T-shaped rod 11 is moved downwards by the further baffle plate 9, the push block 12 is further moved downwards, a second spring 18 is sleeved on the outer surface, located at one end inside the sealing plate 8, of the T-shaped rod 11, the second spring 18 is arranged, the T-shaped rod 11 can be reset by the further second spring 18, two ends of the second spring 18 are fixedly connected to the inner top wall of the sealing plate 8 and the upper surface of the push block 12, a groove 20 is formed in the right side surface of the sealing plate 8, a sealing block 17 is arranged, the check valve can be further sealed, a cross rod 16 is fixedly connected to the left side face of the sealing block 17, the cross rod 16 extends to the inside of the sealing plate 8 towards the right side, a trapezoidal block 13 is fixedly connected to one end, located inside the sealing plate 8, of the cross rod 16, the trapezoidal block 13 is arranged, the trapezoidal block 13 can move towards the right by further downward movement of the pushing block 12, the sealing block 17 can move towards the right by further passing through the cross rod 16, a third spring 19 is sleeved on the outer surface, located at one end inside the sealing plate 8, of the cross rod 16, two ends of the third spring 19 are fixedly connected to the right side face of the trapezoidal block 13 and the right inner wall of the sealing plate 8, a sliding block 14 is fixedly connected to the lower surface of the trapezoidal block 13, a sliding groove 15 is formed in the inner bottom wall of the sealing plate 8, the sliding block 14 is in sliding connection, meanwhile, the slide block 14 can support the trapezoidal block 13, the number of the first springs 6 is three, the first springs 6 are equidistantly distributed between the upper surface of the limiting plate 5 and the inner top wall of the vertical cylinder 3, the first springs 6 are arranged, the baffle 9 can move upwards by further contraction of the first springs 6, the inclined surface of the push block 12 is parallel to the inclined surface of the trapezoidal block 13, the push block 12 is positioned on the right side of the trapezoidal block 13, the push block 12 can further move downwards to move the trapezoidal block 13 rightwards, the baffle 9 is positioned above the sealing plate 8, the outer surface of the lower end of the baffle 9 is sleeved with a sealing ring 10, the outer surface of the sealing ring 10 is slidably connected with the sealing plate 8, the check valve can be further sealed by matching the baffle 9 with the sealing plate 8, the up-down movement distance of the push block 12 is equal to the left-right movement distance of the trapezoidal block 13, and the left-right distance of the upper surface of the push block 12 is greater, further downward movement of the pushing block 12 can move the trapezoidal block 13 to the right, the baffle plate 9 is in a T shape, the lower end of the baffle plate 9 is located in the sealing plate 8, and the T-shaped rod 11 can move downwards when the baffle plate 9 further moves downwards.

The working principle is as follows: when a medium passes through the check valve for the rubber pipeline, the baffle 9 can move upwards, the vertical rod 7 can further move upwards, the limiting plate 5 further moves upwards to enable the first spring 6 to contract, meanwhile, when the medium stops, the limiting plate 5 moves downwards through the first spring 6, the baffle 9 can further seal the check valve, the baffle 9 can further move downwards when the sealing ring 10 is worn, the T-shaped rod 11 can further move downwards, the pushing block 12 can further move downwards, meanwhile, when the baffle 9 moves upwards, the second spring 18 contracts upwards, the T-shaped rod 11 can drive the pushing block 12 to reset, the pushing block 12 can further move downwards to enable the trapezoidal block 13 to drive the sliding block 14 to move rightwards, the third spring 19 can further contract, and the cross rod 16 can further push the sealing block 17 to move rightwards, further, the sealing block 17 can be in contact with the sealing ring 10, the further sealing block 17 can supplement the worn part of the sealing ring 10, further, the sealing performance is poor due to the fact that the sealing ring 10 is worn can be prevented, and the service life of the check valve is further prolonged.

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 (6)

1. The utility model provides a check valve for rubber conduit, includes valve body (1), its characterized in that: the left side surface and the right side surface of the valve body (1) are fixedly connected with connecting plates (2), the outer wall of the valve body (1) is spliced with a vertical cylinder (3), the inner top wall of the vertical cylinder (3) is fixedly connected with a U-shaped rod (4), the inner bottom wall of the U-shaped rod (4) is spliced with a vertical rod (7), the vertical rod (7) extends downwards to the inside of the valve body (1), one end of the vertical rod (7) positioned inside the U-shaped rod (4) is fixedly connected with a limiting plate (5), the upper surface of the limiting plate (5) is fixedly connected with the inner top wall of the vertical cylinder (3) through two ends of a first spring (6), one end of the vertical rod (7) positioned inside the valve body (1) is fixedly connected with a baffle plate (9), the inside of the valve body (1) is fixedly connected with a sealing plate (8), a T-shaped rod (11) is spliced at the position, below the baffle plate (9), one end of the T-, the outer surface of the T-shaped rod (11) at one end inside the sealing plate (8) is sleeved with a second spring (18), two ends of the second spring (18) are fixedly connected to the inner top wall of the sealing plate (8) and the upper surface of the push block (12), the right side surface of the sealing plate (8) is provided with a groove (20), a sealing block (17) is arranged inside the groove (20), the left side surface of the sealing block (17) is fixedly connected with a cross rod (16), the right side of the cross rod (16) extends into the sealing plate (8), one end of the cross rod (16) inside the sealing plate (8) is fixedly connected with a trapezoidal block (13), the outer surface of the cross rod (16) at one end inside the sealing plate (8) is sleeved with a third spring (19), two ends of the third spring (19) are fixedly connected to the right side surface of the trapezoidal block (13) and the right inner wall of the sealing plate (8), the lower surface of the trapezoidal block (, the inner bottom wall of the sealing plate (8) is provided with a sliding groove (15), and the sliding block (14) is connected with the sliding groove (15) in a sliding manner.

2. The check valve for rubber tubing of claim 1, wherein: the number of the first springs (6) is three, and the first springs (6) are distributed between the upper surface of the limiting plate (5) and the inner top wall of the vertical cylinder (3) at equal intervals.

3. The check valve for rubber tubing of claim 1, wherein: the inclined plane of the push block (12) is parallel to the inclined plane of the trapezoidal block (13), and the push block (12) is positioned on the right side of the trapezoidal block (13).

4. The check valve for rubber tubing of claim 1, wherein: the baffle (9) is positioned above the sealing plate (8), the outer surface of the lower end of the baffle (9) is sleeved with a sealing ring (10), and the outer surface of the sealing ring (10) is connected with the sealing plate (8) in a sliding mode.

5. The check valve for rubber tubing of claim 1, wherein: the up-and-down movement distance of the push block (12) is equal to the left-and-right movement distance of the trapezoidal block (13), and the distance between the left end and the right end of the upper surface of the push block (12) is greater than the distance between the left end and the right end of the lower surface of the push block (12).

6. The check valve for rubber tubing of claim 1, wherein: the baffle (9) is T-shaped, and the lower end of the baffle (9) is positioned in the sealing plate (8).

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