CN217815287U - High-pressure-difference stop valve with outlet throttling channel provided with concave groove - Google Patents

Abstract

The utility model discloses a poor stop valve of high pressure of exit throttling channel area concave groove, the pipeline comprises a pipe, the throttling channel has been seted up to the inside of pipeline, the upper end of pipeline is fixed with a plurality of support columns, and is a plurality of the upper end of support column is fixed with the fixed plate jointly, the upper end of fixed plate is run through to rotate and is connected with the threaded rod, the bottom of threaded rod runs through to inside and the rotation with the pipe seal of throttling channel and is connected, the bottom of threaded rod is rotated through the bearing and is connected with the valve clack, it is fixed with the pipeline inner wall that connecting spring is passed through to the upper end of valve clack. In this device, through at the fixed vertical board of extension bar end, can realize the separation of the spacing groove of spacing post and fixed plate lateral wall when the stop valve is laborsaving to rotate, and after the stop valve adjustment was accomplished, can realize spacing post reentrant spacing inslot portion to can realize spacing to the carousel, stability is better when making the threaded rod use, thereby can make things convenient for the stable use of stop valve.

Description

Poor stop valve of high pressure of export throttle passageway area concave groove

Technical Field

The utility model relates to a stop valve technical field especially relates to a poor stop valve of high pressure of export throttle passageway area concave groove.

Background

The opening and closing piece of high pressure stop valve is the valve clack of stopper shape, the sealed plane or the conical surface of personally submitting, linear motion is made along fluidic central line to the valve clack, there is simple structure, it is more convenient to make and maintain, working stroke is little, advantages such as the open-close time is short, be the most extensive valve of use, and the valve clack can cause certain wearing and tearing after long-time the use in traditional high pressure difference stop valve, thereby it is relatively poor to make valve clack and throttle passageway leakproofness, cause the condition of weeping easily, and the adjustment of valve clack is adjusted mostly through the threaded rod, current stop valve does not carry on spacingly to the threaded rod, cause becoming flexible of threaded rod easily, thereby can influence the stable use of stop valve, therefore we need design a section can use steadily and the better high pressure difference stop valve in concave groove of taking of leakproofness.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art and not carrying on spacingly to the screw rod, cause its not hard up shortcoming easily, and the poor stop valve of high pressure of export throttle channel area concave groove that provides.

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

the utility model provides a poor stop valve of high pressure of exit throttling channel area concave groove, includes the pipeline, the throttle passageway has been seted up to the inside of pipeline, the upper end of pipeline is fixed with a plurality of support columns, and is a plurality of the upper end of support column is fixed with the fixed plate jointly, the upper end of fixed plate is run through and is rotated and be connected with the threaded rod, the bottom of threaded rod is run through to inside and be connected with the rotation of throttle passageway with the pipe seal, the bottom of threaded rod is rotated through the bearing and is connected with the valve clack, it is fixed with the pipeline inner wall that connecting spring is passed through to the upper end of valve clack, the upper end of threaded rod is provided with stabilizes stop device.

Preferably, a plurality of annular grooves are formed in the inner wall of the throttling channel, and a sealing ring is arranged on the inner wall of each annular groove.

Preferably, the sealing ring is made of rubber materials, and the valve clack abuts against the sealing ring.

Preferably, stop device is including being fixed in the carousel of threaded rod upper end, the horizontal cavity has been seted up to the lateral wall of carousel, the inner wall sliding connection in horizontal cavity has the movable plate, the one end lateral wall and the horizontal cavity inner wall of movable plate pass through reset spring and are connected.

Preferably, an extension bar is fixed to the side wall of the other end of the moving plate, the end of the extension bar penetrates through the outer portion of the rotating disc and is fixed to a vertical plate, and a limiting column is fixed to the side wall of the vertical plate.

Preferably, a plurality of spacing grooves are opened to the circumference lateral wall of fixed plate, and is a plurality of the spacing groove is annular evenly distributed, spacing post corresponds with the spacing groove.

Compared with the prior art, the utility model has the advantages of:

1. in the device, the movable plate and the extension rod which can slide along the inside of the horizontal cavity are arranged, so that the longer extension rod can be used for pushing the rotary table to rotate, the force arm of the rotary table during rotation can be increased, the effect of saving labor can be achieved, and the valve clack in the stop valve can be conveniently adjusted and used;

2. in this device, through at the fixed vertical board of extension bar end, can realize the separation of the spacing groove of spacing post and fixed plate lateral wall when the stop valve is laborsaving to rotate, and accomplish the back at the stop valve adjustment, can realize spacing post reentrant spacing inslot portion, thereby can realize spacing to the carousel, stability is better when making the threaded rod use, thereby can make things convenient for the stable use of stop valve, and the sealing washer of the logical inslot portion of throttle, can make the valve clack better with the leakproofness of throttle passageway, make things convenient for the use of stop valve.

Drawings

Fig. 1 is a schematic structural view of a high differential pressure stop valve with a concave groove in an outlet throttling channel provided by the utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a sectional view of a rotating disk portion of a high pressure difference stop valve with a concave groove in an outlet throttling channel according to the present invention;

fig. 4 is an enlarged view of a portion B in fig. 1.

In the figure: the device comprises a pipeline 1, a throttling channel 2, a supporting column 3, a fixing plate 4, a threaded rod 5, a valve clack 6, a connecting spring 7, a rotating disc 8, an annular groove 9, a sealing ring 10, a horizontal cavity 11, a moving plate 12, an extension rod 13, a return spring 14, a vertical plate 15, a limiting column 16 and a limiting groove 17.

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.

Referring to fig. 1-4, a high differential pressure stop valve with a concave groove in an outlet throttling channel comprises a pipeline 1, a throttling channel 2 is arranged in the pipeline 1, a plurality of supporting columns 3 are fixed at the upper end of the pipeline 1, a fixing plate 4 is jointly fixed at the upper ends of the supporting columns 3, a threaded rod 5 is connected at the upper end of the fixing plate 4 in a penetrating and rotating mode, the bottom of the threaded rod 5 penetrates into the throttling channel 2 and is connected with the pipeline 1 in a sealing and rotating mode, a connecting part is a polished rod, the bottom of the threaded rod 5 is rotatably connected with a valve clack 6 through a bearing, the upper end of the valve clack 6 is fixed with the inner wall of the pipeline 1 through a connecting spring 7, the stiffness coefficient of the connecting spring 7 is large, the valve clack 6 can be prevented from deflecting, and a stable limiting device is arranged at the upper end of the threaded rod 5; a plurality of annular grooves 9 are formed in the inner wall of the throttling channel 2, and a sealing ring 10 is arranged on the inner wall of each annular groove 9; sealing washer 10 adopts rubber materials to make, and valve clack 6 offsets with sealing washer 10, and it reciprocates to drive valve clack 6 through threaded rod 5, can realize opening the adjustment of size to orifice 2 to can realize the control to the flux, when the passageway was closed to the stop valve moreover, valve clack 6 can offset with annular groove 9 and inside sealing washer 10, can make the leakproofness of stop valve better, and the convenience is used under the higher environment of leakproofness requirement.

The limiting device comprises a rotary table 8 fixed at the upper end of the threaded rod 5, a horizontal cavity 11 is formed in the side wall of the rotary table 8, a moving plate 12 is connected to the inner wall of the horizontal cavity 11 in a sliding mode, and the side wall of one end of the moving plate 12 is connected with the inner wall of the horizontal cavity 11 through a return spring 14; an extension bar 13 is fixed on the side wall of the other end of the moving plate 12, the end of the extension bar 13 penetrates through the outer part of the rotating disc 8 and is fixed with a vertical plate 15, and a limiting column 16 is fixed on the side wall of the vertical plate 15; a plurality of spacing grooves 17 have been seted up to the circumference lateral wall of fixed plate 4, a plurality of spacing grooves 17 are annular evenly distributed, spacing post 16 corresponds with spacing groove 17, through setting up protractile extension bar 13, can increase the arm of force when carousel 8 is rotatory, thereby can play laborsaving effect, and utilize the pairing of spacing post 16 and spacing groove 17 of vertical 15 lateral walls, can accomplish the back in the regulation, realize the stable of carousel 8 and fixed plate 4 and be connected, thereby make the stability of stop valve better, make things convenient for the stable use of stop valve.

The utility model discloses in, in the high pressure difference stop valve use, through outwards pulling extension bar 13, make movable plate 12 slide to the outer end along horizontal cavity 11 inner wall, can realize reset spring 14's extension simultaneously, and in extension bar 13 removal, can drive vertical board 15 and spacing post 16 along with it removes, thereby can realize spacing post 16 and the spacing groove 17 separation of fixed plate 4 lateral wall, at this moment, through promoting extension bar 13, can realize the rotation of carousel 8, thereby can drive threaded rod 5 along the rotation of fixed plate 4, and then can realize the rotary motion of threaded rod 5 bottom, simultaneously can be under the great connecting spring 7 effect of stiffness coefficient, realize the vertical removal of valve clack 6, make valve clack 6 and throttle passageway 2 open the adjustment of size, and then can realize the control to pipeline 1 inside liquid circulation, and when valve clack 6 offsets with throttle passageway 2 inner wall completely, can realize throttle passageway 2's sealing, thereby can realize pipeline 1's closure, and valve clack 6 contacts with throttle passageway 2 inside sealing washer 10, can increase valve clack 6 and throttle passageway 2's leakproofness, make the stop valve in the use better convenience in the convenient use, pipeline's sealing requirement 1;

utilize extension bar 13 under the extension state to promote carousel 8 rotatory, the arm of force when can effectively increase carousel 8 rotatory, thereby can play laborsaving effect, and after 6 altitude mixture control of valve clack accomplish, loosen extension bar 13, under the reset spring 14 effect that is in tensile state, can realize movable plate 12, extension bar 13, the reseing of vertical board 15, at vertical board 15 reset in-process, can drive spacing post 16 and get into the spacing groove 17 inside of 4 lateral walls of fixed plate, thereby can realize the stable connection of carousel 8 and fixed plate 4, can guarantee threaded rod 5's stability, make things convenient for the long-time stable use of stop valve.

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 (6)

1. The utility model provides a poor stop valve of high pressure of exit throttling channel area concave groove, includes pipeline (1), its characterized in that, throttle passageway (2) have been seted up to the inside of pipeline (1), the upper end of pipeline (1) is fixed with a plurality of support columns (3), and is a plurality of the upper end of support column (3) is fixed with fixed plate (4) jointly, the upper end through rotation of fixed plate (4) is connected with threaded rod (5), the bottom of threaded rod (5) runs through to throttle passageway (2) inside and is connected with pipeline (1) sealed rotation, the bottom of threaded rod (5) is connected with valve clack (6) through the bearing rotation, it is fixed with pipeline (1) inner wall that connecting spring (7) are passed through to the upper end of valve clack (6), the upper end of threaded rod (5) is provided with stable stop device.

2. The high pressure difference stop valve with the outlet throttling channel and the concave groove is characterized in that a plurality of annular grooves (9) are formed in the inner wall of the throttling channel (2), and a sealing ring (10) is arranged on the inner wall of each annular groove (9).

3. The high differential pressure stop valve with the outlet throttling channel having the concave groove is characterized in that the sealing ring (10) is made of rubber materials, and the valve clack (6) is abutted to the sealing ring (10).

4. The high differential pressure stop valve with the outlet throttling channel having the concave groove is characterized in that the limiting device comprises a rotary disc (8) fixed at the upper end of a threaded rod (5), a horizontal cavity (11) is formed in the side wall of the rotary disc (8), a moving plate (12) is connected to the inner wall of the horizontal cavity (11) in a sliding manner, and the side wall of one end of the moving plate (12) is connected with the inner wall of the horizontal cavity (11) through a return spring (14).

5. The high differential pressure stop valve with the outlet throttling channel provided with the concave groove is characterized in that a protruding rod (13) is fixed to the side wall of the other end of the moving plate (12), the end of the protruding rod (13) penetrates through the outer portion of the rotating disc (8) and is fixed with a vertical plate (15), and a limiting column (16) is fixed to the side wall of the vertical plate (15).

6. The high differential pressure stop valve with the outlet throttling channel having the concave groove is characterized in that a plurality of limiting grooves (17) are formed in the circumferential side wall of the fixing plate (4), the limiting grooves (17) are uniformly distributed in an annular shape, and the limiting columns (16) correspond to the limiting grooves (17).

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