CN217422317U

CN217422317U - Gas regulating valve

Info

Publication number: CN217422317U
Application number: CN202220706644.2U
Authority: CN
Inventors: 殷海鹏; 叶昕
Original assignee: Valpo Energy & Environment Tech Co ltd
Current assignee: Valpo Energy & Environment Tech Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-09-13
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses a gas regulating valve, it includes valve gap, baffle, disk seat and regulation pole, the valve gap is provided with first passageway, the disk seat is provided with the second passageway, on the valve gap lid fits the disk seat, first passageway is corresponding with the second passageway, the baffle holds in the disk seat, just the baffle is located between first passageway and the second passageway, it passes the disk seat lateral wall and is connected with the baffle to adjust the pole, through adjusting the regulation pole, the baffle removes, through the removal of baffle makes the intercommunication area of first passageway and second passageway change. The utility model discloses a gas regulating valve, through simple structural design can effectual control gas flow size, the location is effectual, the adjustment of being convenient for.

Description

Gas regulating valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a gas regulating valve.

Background

The regulating valve is a conveying device which leads gas into the valve body and controls the gas flow through a channel arranged on the valve body. However, the existing manually-controlled flow regulating valve has the disadvantages of complicated structure design, more components, large occupied space for installation and high manufacturing cost.

Therefore, a new technical solution is needed.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that exists among the prior art, the utility model discloses a gas regulating valve, it includes valve gap, baffle, disk seat and regulation pole, the valve gap is provided with first passageway, the disk seat is provided with the second passageway, the valve gap lid fits on the disk seat, and first passageway is corresponding with the second passageway, the baffle holds in the disk seat, just the baffle is located between first passageway and the second passageway, it passes the disk seat lateral wall and is connected with the baffle to adjust the pole, through adjusting the pole, the baffle removes, through the removal of baffle makes the intercommunication area of first passageway and second passageway change.

Furthermore, a through hole is formed in the outer side of the valve seat, the adjusting rod penetrates through the through hole to be in threaded connection with the baffle, the adjusting rod is rotated, and the baffle moves axially along the adjusting rod.

Further, the through hole is a counter bore, threads are arranged on the inner wall of the large diameter of the counter bore, a baffle shaft sleeve is arranged at the bottom of the baffle, and the baffle shaft sleeve is provided with a threaded through hole.

Further, the adjusting rod is respectively sleeved with a first shaft sleeve and a second shaft sleeve, the first shaft sleeve is connected to the outer side wall of the valve seat, the second shaft sleeve is arranged in the valve seat, the second shaft sleeve is fixed on the adjusting rod, the adjusting rod is a half-tooth screw rod, and the adjusting rod penetrates through the valve seat and is in threaded connection with the baffle shaft sleeve.

Furthermore, the first shaft sleeve is a shaft sleeve with a large diameter and a small diameter, an external thread is arranged on the small diameter of the first shaft sleeve, the small diameter of the first shaft sleeve is in threaded fit with the large diameter of the counter bore, a threaded hole is formed in the side face of the second shaft sleeve, a machine-meter screw is installed in the threaded hole, and the machine-meter screw is adjusted to enable the second shaft sleeve to be fixedly connected with the adjusting rod.

Furthermore, a sealing ring is further sleeved on the adjusting rod and arranged between the first shaft sleeve and the step surface of the counter bore.

Furthermore, the sealing ring is an O-shaped ring, and the inner diameter of the O-shaped ring is smaller than that of the adjusting rod.

Further, the valve cover is provided with a protruding portion, the first channel penetrates through the protruding portion, the protruding portion is contained in the valve seat, and a sealing groove is formed in the periphery of the protruding portion.

Compared with the prior art, the utility model discloses a gas governing valve has following one or more beneficial effect:

(1) the utility model discloses a gas governing valve is through the screw-thread fit who adjusts pole and baffle, adjusts pole axial fixity simultaneously, rotates to adjust the pole and then the baffle removes, can effectual control gas flow size through simple structural design, and positioning effect is good, the adjustment of being convenient for.

(2) The utility model discloses a gas regulating valve ensures the gas tightness between first passageway and the second passageway through setting up sealing strip and disk seat lateral wall installation O type circle at the valve gap, and then can improve whole gas regulating valve's stability greatly.

Drawings

FIG. 1 is an exploded view of the gas control valve of the present invention;

FIG. 2 is a schematic view of the valve cover structure of the gas regulating valve of the present invention;

FIG. 3 is a schematic view of the valve seat structure of the gas control valve of the present invention;

FIG. 4 is a schematic structural view of the gas regulating valve of the present invention;

FIG. 5 is a schematic structural view of the valve cover portion of the gas regulating valve of the present invention;

FIG. 6 is a top view of the gas control valve of the present invention;

fig. 7 is a sectional view taken along line B of fig. 6.

The valve comprises a valve cover 1, a baffle 2, a valve seat 3, an adjusting rod 4, a first channel 5, a boss 6, a sealing groove 7, a second channel 9, a groove 10, an arc-shaped groove 11, a counter bore 12, a baffle shaft sleeve 13, an O-shaped ring 14, a screw 15, a first shaft sleeve 16 and a second shaft sleeve 17.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., to include fixed connections, detachable connections, or integral parts; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be connected through the interior of two elements or in interactive relation with one another. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Please refer to fig. 1, fig. 2 and fig. 3, the utility model provides a gas regulating valve, it includes valve gap 1, baffle 2, disk seat 3 and regulation pole 4, valve gap 1 is provided with first passageway 5 and bellying 6, first passageway 5 link up bellying 6, be provided with seal groove 7 around the bellying 6, seal groove 7 is used for placing the sealing strip, the sealing strip is held in seal groove 7, disk seat 3 is provided with second passageway 9 and recess 10, second passageway 9 link up recess 10, recess 10 is provided with arc wall 11, valve gap 1 lid fit on disk seat 3, through bellying 6 with the cooperation of recess 10, valve gap 1 and disk seat 3 fixed connection. In this embodiment, the valve cover 1 and the valve seat 3 are fixed in a manner of being clamped in an up-and-down manner, and screws are installed in screw holes of the valve cover 1 to fixedly connect the valve cover and the valve seat 3.

Referring to fig. 3, a counter bore 12 is disposed on an outer side wall of the valve seat 3, threads are disposed on an inner wall of the counter bore 12 with a large diameter, and a through hole without threads is formed in the counter bore 12 with a small diameter.

Referring to fig. 1, 4 and 5, the baffle 2 is disposed between the first passage 5 and the second passage 9 for adjusting a cross-sectional area of the first passage 5 communicating with the second passage 9, and further adjusting a flow rate, a baffle shaft sleeve 13 is disposed at the bottom of the baffle 2, a threaded through hole is disposed in the baffle shaft sleeve 13, the adjusting rod 4 penetrates through the counter bore 12 and is in threaded connection with the baffle 2, further, the adjusting rod 4 penetrates through the threaded through hole and the arc-shaped groove 11, and a center line of the arc-shaped groove 11 is axially parallel to the adjusting rod. In the present embodiment, the baffle bushing 13 is cylindrical in shape. In other embodiments, the baffle sleeve is not limited to a cylindrical shape, but may have other shapes.

Referring to fig. 1 and 7, a first shaft sleeve 16, a second shaft sleeve 17 and an O-ring 14 are arranged on the adjusting rod 4, the first shaft sleeve 16, the second shaft sleeve 17 and the O-ring 14 are sleeved on the adjusting rod 4, the first shaft sleeve 16 is arranged outside the side wall of the valve seat 3, the first shaft sleeve 16 is shaped like a bushing, the first shaft sleeve 16 is a large-diameter shaft sleeve, a through hole without threads is formed inside the first shaft sleeve 16, the small diameter of the first shaft sleeve 16 is provided with external threads, the small diameter of the first shaft sleeve 16 is in threaded fit with the large diameter of the counter bore 12, the O-ring 14 is arranged between the first shaft sleeve 16 and the step surface of the counter bore 12, the inner diameter of the O-ring 14 is slightly smaller than 4, the O-ring 14 can ensure the sealing of the counter bore 12 under the extrusion of the first shaft sleeve 16, the second shaft sleeve 17 is arranged inside the valve seat 3, the side surface of the second shaft sleeve 17 is provided with a threaded hole, a machine-meter screw 15 is installed in the threaded hole, the machine-meter screw 15 is adjusted to enable the second shaft sleeve 17 to be fixedly connected with the adjusting rod 4, the adjusting rod 4 is a half-tooth screw rod, the adjusting rod 4 is a polished rod from the fixed position of the second shaft sleeve 17 to the head of the screw, and the rest is a threaded section.

In this embodiment, the gas regulating valve installation step is: firstly, a baffle shaft sleeve and a baffle are fixed in a spot welding manner and then are placed in a valve seat; secondly, the adjusting rod is connected with the first shaft sleeve in series, the O-shaped ring is inserted into the valve seat, the second shaft sleeve is installed in the valve seat, and the adjusting rod penetrates through the baffle shaft sleeve; then the first shaft sleeve is tightened, the adjusting rod is screwed to the bottom, and the second shaft sleeve is fixed from the inside; and finally, after the valve cover is provided with the sealing strip, the valve seat is fixedly connected with the valve cover.

The working principle of the gas regulating valve is as follows: the adjusting rod is under the restriction of the first shaft sleeve and the second shaft sleeve, the adjusting rod cannot axially displace, but when the adjusting rod is rotated, the first shaft sleeve is a through hole, the second shaft sleeve and the adjusting rod rotate together, therefore, the baffle shaft sleeve can move along the axis of the adjusting rod under the driving of threads, the baffle further moves, the rotating motion is operated into linear motion through spiral transmission, the cross section area of the first channel and the second channel which are communicated with each other is adjusted, and the purpose of adjusting the flow is achieved.

While the baffle plate does not completely cover the passageway in this embodiment, in other embodiments the baffle plate may be sized to completely cover the passageway.

(1) the utility model discloses a gas governing valve is through the screw-thread fit who adjusts pole and baffle, adjusts pole axial fixity simultaneously, rotates to adjust the pole and then the baffle removes, can effectual control gas flow size through simple structural design, and the adjustment of being convenient for of location effect is good.

(2) The utility model discloses a gas regulating valve ensures the gas tightness between first passageway and the second passageway through setting up sealing washer and disk seat lateral wall installation O type circle at the valve gap, and then can improve whole gas regulating valve's stability greatly.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications and changes may be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A gas regulating valve is characterized in that: it includes valve gap (1), baffle (2), disk seat (3) and adjusts pole (4), valve gap (1) is provided with first passageway (5), disk seat (3) are provided with second passageway (9), valve gap (1) lid fits on disk seat (3), first passageway (5) with second passageway (9) are corresponding, baffle (2) hold in disk seat (3), just baffle (2) are located between first passageway (5) and second passageway (9), adjust pole (4) pass disk seat (3) lateral wall with baffle (2) are connected, through adjusting pole (4), baffle (2) remove, through the removal of baffle (2) makes the intercommunication area of first passageway (5) and second passageway (9) change.

2. The gas regulating valve of claim 1, wherein: the valve seat (3) is provided with a through hole on the outer side, the adjusting rod (4) penetrates through the through hole to be in threaded connection with the baffle (2), the adjusting rod (4) is rotated, and the baffle (2) moves axially along the adjusting rod (4).

3. The gas regulating valve of claim 2, wherein: the through hole is a counter bore (12), the inner wall of the large diameter of the counter bore (12) is provided with threads, the bottom of the baffle (2) is provided with a baffle shaft sleeve (13), and the baffle shaft sleeve (13) is provided with a threaded through hole.

4. The gas regulating valve of claim 3, wherein: adjust and be equipped with first axle sleeve (16) and second axle sleeve (17) on pole (4) respectively, first axle sleeve (16) connect in disk seat (3) lateral wall, second axle sleeve (17) set up in disk seat (3), just second axle sleeve (17) are fixed in adjust on pole (4), it is half tooth screw rod to adjust pole (4), it passes to adjust pole (4) disk seat (3) with baffle axle sleeve (13) threaded connection.

5. The gas regulating valve of claim 4, wherein: the first shaft sleeve (16) is a shaft sleeve with a large diameter and a small diameter, an external thread is arranged on the small diameter of the first shaft sleeve (16), the small diameter of the first shaft sleeve (16) is in threaded fit with the large diameter of the counter bore (12), a threaded hole is formed in the side face of the second shaft sleeve (17), a machine-meter screw (15) is installed in the threaded hole, and the machine-meter screw (15) is adjusted to enable the second shaft sleeve (17) to be fixedly connected with the adjusting rod (4).

6. The gas regulator valve according to claim 5, wherein: the adjusting rod (4) is further sleeved with a sealing ring, and the sealing ring is arranged between the first shaft sleeve (16) and the step surface of the counter bore (12).

7. The gas regulating valve of claim 6, wherein: the sealing ring is an O-shaped ring, and the inner diameter of the O-shaped ring (14) is smaller than that of the adjusting rod (4).

8. The gas regulating valve of claim 1, wherein: valve gap (1) is provided with bellying (6), first passageway (5) link up bellying (6), bellying (6) hold in disk seat (3), be provided with seal groove (7) around bellying (6).