CN216590414U - Metal valve seat suitable for ultra-temperature working condition - Google Patents

Abstract

The utility model discloses a metal disk seat suitable for ultra-temperature operating mode relates to metal disk seat equipment field, to the not enough scheduling problem of leakproofness of current metal disk seat, now proposes following scheme, including a flange, one side welding of a flange has first pipeline. This device is through installing first pipeline and spheroid pipeline isotructure, realize during gaseous or fluid gets into first pipeline, thereby the guide through first pipeline gets into in the spheroid pipeline, the spheroid of spheroid pipeline gathers together under the effect, high temperature gas will pass through the junction between first connection pad and the second connection pad in the first pipeline, and the interference connected mode of gear groove and first sealing ring is in superhigh temperature, the outstanding card on the first sealing ring receives the influence of high temperature and gradually expands in the inside state of gear groove, high temperature in the pipeline is with interference fit's bulge loop at the inside inflation of gear groove, make the bulge loop inseparabler with the combination of gear groove, and then promote sealing performance.

Description

Metal valve seat suitable for ultra-temperature working condition

Technical Field

The utility model relates to a metal disk seat equipment field especially relates to a metal disk seat suitable for ultra-temperature operating mode.

Background

The valves are pipe fittings for opening and closing pipes, controlling flow direction, regulating and controlling parameters (temperature, pressure and flow) of a conveying medium, and can be classified into shut-off valves, check valves, regulating valves, etc. according to their functions, the valves are control parts in a fluid conveying system and have functions of stopping, regulating, guiding, preventing reverse flow, stabilizing pressure, shunting, overflowing and relieving pressure, etc., the valves are also control parts in a pipe fluid conveying system and are used for changing the section of a passage and the flow direction of the medium, and have functions of guiding, stopping, throttling, non-return, shunting, overflowing and relieving pressure, etc., the valves for fluid control range from the simplest stop valves to various valves used in a very complicated automatic control system, and the variety and the specification of the valves are various.

However, the sealing performance of the valve seat in the prior art is not sufficient, the valve seat cannot be effectively sealed under the condition of ultrahigh temperature, the performance of the valve seat for blocking a leakage channel is lost, and the technical problems are that the metal valve seat is suitable for the ultrahigh-temperature working condition.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a metal valve seat suitable for ultra-high temperature operating mode, this device is through installation first pipeline and spheroid pipeline isotructure, realize during gaseous or fluid gets into first pipeline, thereby the guide through first pipeline gets into the spheroid pipeline, under the effect is gathered together to the spheroid at the spheroid pipeline, high temperature gas will pass through the junction between first connection pad and the second connection pad in the first pipeline, and the interference connected mode of gear groove and first sealing ring is in ultra-high temperature, the protruding piece card on the first sealing ring receives the influence of high temperature and gradually expands at the state of gear inslot portion, high temperature in the pipeline is with interference fit's bulge loop in the inside inflation of gear groove, make bulge loop inseparabler with the combination of gear groove, and then promote sealing performance.

(II) technical scheme

The utility model provides a metal valve seat suitable for ultra-temperature operating mode, including first flange, the welding of one side of first flange has first pipeline, the one end welding that first flange was kept away from to first pipeline has the spheroid pipeline, the one end welding that first pipeline was kept away from to the spheroid pipeline has the second connection pad, the opposite side of second connection pad is provided with first connection pad, the opposite side welding of first connection pad has the second pipeline, the one end welding that first connection pad was kept away from to the second pipeline has the second flange, the inner circle welding of first connection pad has first sealing ring, the inner circle welding of second connection pad has the second sealing ring.

As an optimized scheme, one side welding that the second connection pad was kept away from to the second sealing ring has the bulge loop, the gear groove has been seted up to one side that the bulge loop is close to first connection pad, and the perpendicular cross-section in gear groove is the gear form, and after the mutual joint in bulge loop and gear groove, high temperature in the pipeline is with interference fit's bulge loop in the inside inflation in gear groove for the bulge loop is inseparabler with the combination in gear groove, and then promotes sealing performance.

As an optimized scheme of the utility model, the welding of one side that first sealing ring is close to the second connection pad has the protruding thing of mutually coincide with the gear groove.

As a preferred scheme, the round hole that is the annular array and arranges is all seted up to one side that first connection pad and second connection pad are close to each other, and the equal cover of inside of round hole is equipped with the bolt, and the both ends of bolt are provided with nut and nut respectively.

As an optimal scheme of the utility model, the through-hole that is annular array and arranges is all seted up on first flange and second flange's surface.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

this device is through installing first pipeline and spheroid pipeline isotructure, realize during gaseous or fluid gets into first pipeline, thereby the guide through first pipeline gets into in the spheroid pipeline, the spheroid of spheroid pipeline gathers together under the effect, high temperature gas will pass through the junction between first connection pad and the second connection pad in the first pipeline, and the interference connected mode of gear groove and first sealing ring is in superhigh temperature, the outstanding card on the first sealing ring receives the influence of high temperature and gradually expands in the inside state of gear groove, high temperature in the pipeline is with interference fit's bulge loop at the inside inflation of gear groove, make the bulge loop inseparabler with the combination of gear groove, and then promote sealing performance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is the utility model provides a structural schematic diagram of metal disk seat suitable for ultra-temperature operating mode.

Fig. 2 is the utility model provides a sectional structure schematic diagram of metal disk seat suitable for ultra-temperature operating mode.

Fig. 3 is the utility model provides an explosion structure schematic diagram of metal disk seat suitable for ultra-temperature operating mode.

Reference numerals: 1. a first connecting flange; 2. a first conduit; 3. a first splice tray; 4. a second connecting flange; 5. a second conduit; 6. a second connecting disc; 7. a spherical pipeline; 8. a first seal ring; 9. a convex ring; 10. a second seal ring; 11. a nut; 12. a bolt; 13. a nut; 14. gear groove.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, identical or similar reference numerals indicate identical or similar parts and features. The drawings are only schematic representations of the concepts and principles of embodiments of the disclosure, and do not necessarily show specific dimensions and proportions of the various embodiments of the disclosure. Certain features that are part of a particular figure may be exaggerated in order to illustrate relevant details or structures of embodiments of the present disclosure.

The first embodiment is as follows: referring to fig. 1-3, a metal valve seat suitable for ultra-high temperature conditions comprises a first connecting flange 1, a first pipeline 2 is welded on one side of the first connecting flange 1, a ball pipeline 7 is welded on one end of the first pipeline 2 far away from the first connecting flange 1, a second connecting disc 6 is welded on one end of the ball pipeline 7 far away from the first pipeline 2, a first connecting disc 3 is arranged on the other side of the second connecting disc 6, gas or fluid enters the first pipeline 2 and enters the ball pipeline 7 through the guidance of the first pipeline 2, under the ball gathering action of the ball pipeline 7, high-temperature gas in the first pipeline 2 passes through the joint between the first connecting disc 3 and the second connecting disc 6, a second pipeline 5 is welded on the other side of the first connecting disc 3, a second connecting flange 4 is welded on one end of the second pipeline 5 far away from the first connecting disc 3, a first sealing ring 8 is welded on the inner ring of the first connecting disc 3, and a second sealing ring 10 is welded on the inner ring of the second connecting disc 6.

Example two: referring to fig. 1-3, on the basis of the first embodiment, a metal valve seat suitable for ultra-high temperature working conditions is provided, a convex ring 9 is welded on one side of a second sealing ring 10 far away from a second connecting disc 6, a gear groove 14 is provided on one side of the convex ring 9 close to a first connecting disc 3, the vertical section of the gear groove 14 is in a gear shape, a projection matched with the gear groove 14 is welded on one side of a first sealing ring 8 close to the second connecting disc 6, the projection of the first sealing ring 8 clamped in the gear groove 14 is gradually expanded under the influence of high temperature in the interference connection mode of the gear groove 14 and the first sealing ring 8 at ultra-high temperature, so that the projection of the first sealing ring 8 and the inside of the gear groove 14 are gradually clamped, the convex ring 9 and the gear groove 14 are combined more tightly, the sealing performance is further improved, circular holes arranged in an annular array are provided on one side of the first connecting disc 3 close to the second connecting disc 6, the inside all the cover of round hole is equipped with bolt 12, and the both ends of bolt 12 are provided with nut 13 and nut 11 respectively, and the through-hole that is the annular array and arranges is all seted up on the surface of first flange 1 and second flange 4.

The utility model discloses a theory of operation with specifically explain:

under the environment of ultrahigh temperature, high-temperature gas or fluid enters from one end of the first connecting flange 1, then the gas or fluid enters into the first pipeline 2, so as to enter into the ball pipeline 7 through the guidance of the first pipeline 2, under the ball gathering action of the ball pipeline 7, the high-temperature gas in the first pipeline 2 passes through the joint between the first connecting disc 3 and the second connecting disc 6, and the interference connection mode of the gear groove 14 and the first sealing ring 8 is under the ultrahigh temperature, the state that the protrusion on the first sealing ring 8 is clamped inside the gear groove 14 is affected by the high temperature and gradually expands, so that the protrusion on the first sealing ring 8 is gradually clamped with the inside of the gear groove 14, and thus, in the environment of high temperature, the tight combination of the protrusion on the first sealing ring 8 and the gear groove 14 which are mutually clamped, and the tight combination of the space between the first connecting disc 3 and the second connecting disc 6 under the tight combination of bolts are realized, there is still a certain clearance, so that after the first connecting disk 3 and the second connecting disk 6 are fastened by bolts, the openings between the second pipe 5 and the ball pipe 7 are tightly connected by the first sealing ring 8 and the protruding ring 9, so that the gas or fluid flowing through the first pipe 2 can be guided into the second pipe 5 to the greatest extent possible without damage and can be output into the pipe via the second connecting flange 4.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (5)

1. A metal valve seat suitable for ultra-high temperature working conditions comprises a first connecting flange (1), it is characterized in that one side of the first connecting flange (1) is welded with a first pipeline (2), one end of the first pipeline (2) far away from the first connecting flange (1) is welded with a spherical pipeline (7), a second connecting disc (6) is welded at one end of the spherical pipeline (7) far away from the first pipeline (2), the other side of the second connecting disc (6) is provided with a first connecting disc (3), a second pipeline (5) is welded at the other side of the first connecting disc (3), a second connecting flange (4) is welded at one end of the second pipeline (5) far away from the first connecting disc (3), a first sealing ring (8) is welded on the inner ring of the first connecting disc (3), and a second sealing ring (10) is welded on the inner ring of the second connecting disc (6).

2. The metal valve seat suitable for the ultrahigh-temperature working condition according to claim 1, wherein a convex ring (9) is welded on one side, away from the second connecting disc (6), of the second sealing ring (10), a gear groove (14) is formed in one side, close to the first connecting disc (3), of the convex ring (9), and the vertical section of the gear groove (14) is in a gear shape.

3. The metal valve seat suitable for the ultra-high temperature working condition according to claim 1 or 2, wherein a protrusion matched with the gear groove (14) is welded on one side, close to the second connecting disc (6), of the first sealing ring (8).

4. The metal valve seat suitable for the ultra-high temperature working condition according to claim 1, wherein circular holes arranged in an annular array are formed in the side, close to each other, of the first connecting disc (3) and the second connecting disc (6), bolts (12) are sleeved inside the circular holes, and nuts (13) and nuts (11) are arranged at two ends of each bolt (12) respectively.

5. The metal valve seat suitable for the ultrahigh-temperature working condition according to claim 1, wherein through holes arranged in an annular array are formed in the surfaces of the first connecting flange (1) and the second connecting flange (4).

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