CN213598655U - Valve assembly - Google Patents

Abstract

The utility model discloses a valve component, which comprises a valve seat with a tubular structure, wherein a valve body is arranged at the upper end of the valve seat, the valve body is connected with a pressing piece through a connecting pipe, at least one water outlet channel is arranged on one side of the valve body facing the valve seat along the center of the valve body, a through hole is arranged at the position of the connecting pipe corresponding to the water outlet channel, a sealing ring is arranged between the pressing piece and the valve body, the sealing ring and the valve body are both tightly attached to the valve seat, a limiting component connected with the valve body is arranged in the valve seat, and the limiting component can longitudinally move along with the valve; the utility model discloses in establish a plurality of exhalant canal and connecting pipe cooperation in the valve body for water supply installation sends water into exhalant canal through the connecting pipe in, thereby erodees the contact surface of valve body and disk seat, has avoided valve body and disk seat to influence its compactness at the impurity of during operation in silt, has improved mud pump job stabilization nature.

Description

Valve assembly

Technical Field

The utility model belongs to the technical field of the valve, a valve subassembly is related to.

Background

The valve is an important component of the mud pump and is critical to the performance of the mud pump. The main function of the mud pump is to suck in low pressure fluid from the suction end and convert it into high pressure fluid to be discharged from the discharge end.

In the course of the work, mud carries out long-term erodeing to the valve, and the easy joint of impurity is on its contact surface in mud when close contact between valve body and disk seat for the compactness between valve body and the disk seat reduces, influences the normal use of slush pump, consequently needs design one kind can carry out the device that erodees between valve body and the disk seat.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a valve subassembly, fine solution lead to between it compactness to reduce because of mud impurity between valve body and the disk seat, influence the problem of slush pump normal work.

In order to realize the purpose, the utility model discloses a technical scheme as follows: the utility model provides a valve assembly, includes tubular structure's disk seat, the disk seat upper end is provided with the valve body, the valve body is connected with through the connecting pipe and compresses tightly the piece, at least one exhalant canal has been seted up along the valve body center to one side of valve body towards the disk seat, the through-hole has been seted up with exhalant canal correspondence department to the connecting pipe, compress tightly and be provided with the sealing washer between piece and the valve body, sealing washer and valve body all closely laminate with the disk seat, be provided with the spacing subassembly of being connected with the valve body in the disk seat, spacing subassembly can be along with valve body.

Furthermore, the upper part of the inner wall of the valve seat is a conical surface, and the outer side surfaces of the valve body and the sealing ring are conical surfaces.

Further, the lower extreme outer peripheral face of connecting pipe is provided with joint portion, and this joint portion contacts with the downside of valve body, the upper end outer peripheral face of connecting pipe is provided with the screw thread, compress tightly the piece and pass through nut and connecting pipe threaded connection.

Furthermore, the limiting assembly comprises a fixed shell arranged at the lower end of the connecting pipe, a limiting ring arranged in the valve seat and a plurality of supporting rods connected between the fixed shell and the limiting ring.

Furthermore, an annular groove is formed in the limiting ring, a sealing sleeve matched with the annular groove is arranged at the upper end of the limiting ring, at least one through hole communicated with the annular groove is formed in one side, facing the inner wall of the valve seat, of the limiting ring, and a through hole communicated with the annular groove and the connecting pipe is formed in the supporting rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in establish a plurality of exhalant canal and connecting pipe cooperation in the valve body for water supply installation sends water into exhalant canal through the connecting pipe in, thereby erodees the contact surface of valve body and disk seat, has avoided valve body and disk seat to influence its compactness at the impurity of during operation in silt, has improved mud pump job stabilization nature.

2. The utility model discloses the annular groove and the through-hole of seting up on the well spacing ring are through supplying water the cooperation with the connecting pipe intercommunication, have improved gliding smoothness degree between spacing ring and the disk seat, further improve the stability of mud pump work.

Drawings

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

In the figure: 1. a valve seat; 2. a valve body; 3. a connecting pipe; 4. a compression member; 5. a water outlet channel; 6. a seal ring; 7. a limiting component; 71. a stationary case; 72. a limiting ring; 73. a support bar; 8. a nut; 9. an annular groove; 10. and (5) sealing the sleeve.

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.

As shown in fig. 1, the technical solution adopted by the utility model is as follows: a valve component comprises a valve seat 1 with a cylindrical structure, wherein a valve body 2 is arranged at the upper end of the valve seat 1, the valve body 2 is in the cylindrical structure, the inner diameter of the lower end in the valve body 2 is larger than the inner diameter of the upper end in the valve body 2, the valve body 2 is connected with a pressing piece 4 through a connecting pipe 3, the connecting pipe 3 is in the cylindrical structure, the valve body 2 is sleeved on the connecting pipe 3, a water inlet end is integrally formed at the upper end of the connecting pipe 3, one side, facing the valve seat 1, of the valve body 2 is provided with at least one water outlet channel 5 along the center of the valve body 2, specifically, the number of the water outlet channels 5 is set according to actual requirements and the size of an integral device, the number of the water outlet channels 5 can be 10, 15, 20 and the like, annular grooves communicated with each water outlet channel 5 are arranged in the valve body 2, the connecting pipe 3 is provided with an opening corresponding to the water outlet channel 5, the opening enables the connecting pipe 3 and the annular groove to be communicated with each water outlet channel 5, a sealing ring 6 is arranged between the compressing piece 4 and the valve body 2, the compressing piece 4 consists of a large-diameter section and a small-diameter section, the sealing ring 6 is sleeved on the small diameter section of the pressing piece 4, the large diameter section of the pressing piece 4 enables the sealing ring 6 to be in close contact with the valve body 2, the sealing ring 6 and the valve body 2 are tightly attached to the valve seat 1, a limiting component 7 connected with the valve body 2 is arranged in the valve seat 1, the limiting component 7 can longitudinally move in the valve seat 1 along with the valve body 2, the limiting assembly 7 prevents the valve body 2 from shifting relative to the valve seat 1 in the longitudinal movement process of the valve body 2 along the valve seat 1, the valve body 2 and the valve seat 1 are not tightly sealed, and pressure in the outflow cavity is leaked, so that the slurry pump cannot normally work.

The last side of disk seat 1 is the circular conical surface, the lateral surface of valve body 2 and sealing washer 6 is outer circular conical surface, adopts the circular conical surface setting for it is inseparabler to laminate between disk seat 1 and the valve body 2, the lower extreme outer peripheral face welding of connecting pipe 3 or integrated into one piece have joint portion, and this joint portion contacts with the downside of valve body 2, the upper end outer peripheral face of connecting pipe 3 is provided with the screw thread, compress tightly 4 through nut 8 and 3 threaded connection of connecting pipe, it is concrete, in the big internal diameter hole of lower extreme in valve body 2 of this joint portion joint, connecting pipe 3 passes valve body 2, joint portion in proper order, and 8 threaded connection of this nut is in the screw thread department of connecting pipe 3 for compress tightly 4 and 2 fixed connection of valve body.

The limiting component 7 comprises a fixed shell 71 arranged at the lower end of the connecting pipe 3, a limiting ring 72 arranged in the valve seat 1, and a plurality of supporting rods 73 connected between the fixed shell 71 and the limiting ring 72, wherein the fixed shell 71 is of a barrel-shaped structure, threads are arranged on the circumferential side face of the lower end of the connecting pipe 3 relative to the clamping portion, internal threads are arranged on the inner wall of the fixed shell 71, the fixed shell 71 is in threaded connection with the connecting pipe 3, a sealing gasket is sleeved between the fixed shell 71 and the limiting ring 72, the supporting rods 73 are three, two ends of the supporting rods are respectively welded on the outer wall of the fixed shell 71 and the inner wall of the limiting ring 72, and the limiting ring 72 is in contact with the inner wall.

The utility model discloses a valve seat, including spacing ring 72, limiting ring 72 upper end have seted up annular groove 9, the upper end of spacing ring 72 is provided with the seal cover 10 with annular groove 9 complex, and the lower extreme extrusion of this seal cover 10 is in annular groove 9, and the side laminating is gone up with limiting ring 72 to the upper end downside of seal cover 10, spacing ring 72 is seted up at least one and the through-hole of annular groove 9 intercommunication towards one side of 1 inner wall of disk seat, and is concrete, and the quantity of this through-hole is 15, set up the through-hole that all communicates with annular groove 9 and connecting pipe 3 in the bracing.

During the use, fix this device in the slush pump, the end of intaking of connecting pipe 3 passes through the hose connection on water supply installation, water flows into in the exhalant canal 5 through the opening of connecting pipe 3, then flow to the conical surface of disk seat 1 in exhalant canal 5 on, finally flow from the inside wall of disk seat 1, the internal diameter of this connecting pipe 3 is far greater than the internal diameter of exhalant canal 5, water flows into annular groove 9 through the through-hole of bracing piece 73 simultaneously in connecting pipe 3, flow into on the medial surface of spacing ring 72 with disk seat 1 contact through the through-hole of seting up on the spacing ring 72.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (5)

1. A valve assembly, includes tube-shape structure's disk seat, its characterized in that: the improved water-saving valve is characterized in that a valve body is arranged at the upper end of the valve seat and connected with a pressing piece through a connecting pipe, at least one water outlet channel is formed in one side, facing the valve seat, of the valve body along the center of the valve body, a through hole is formed in the position, corresponding to the water outlet channel, of the connecting pipe, a sealing ring is arranged between the pressing piece and the valve body, the sealing ring and the valve body are both tightly attached to the valve seat, a limiting assembly connected with the valve body is arranged in the valve seat, and the limiting.

2. The valve assembly of claim 1, wherein: the upper part of the inner wall of the valve seat is a conical surface, and the outer side surfaces of the valve body and the sealing ring are conical surfaces.

3. The valve assembly of claim 1, wherein: the lower extreme outer peripheral face of connecting pipe is provided with joint portion, and this joint portion contacts with the downside of valve body, the upper end outer peripheral face of connecting pipe is provided with the screw thread, compress tightly a nut and connecting pipe threaded connection.

4. The valve assembly of claim 1, wherein: the limiting assembly comprises a fixed shell arranged at the lower end of the connecting pipe, a limiting ring arranged in the valve seat and a plurality of supporting rods connected between the fixed shell and the limiting ring.

5. The valve assembly of claim 4, wherein: the limiting ring is provided with an annular groove, the upper end of the limiting ring is provided with a sealing sleeve matched with the annular groove, one side of the limiting ring, facing the inner wall of the valve seat, is provided with at least one through hole communicated with the annular groove, and the support rod is internally provided with a through hole communicated with the annular groove and the connecting pipe.

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