CN217713869U

CN217713869U - Special oxygen regulating valve with early warning mechanism

Info

Publication number: CN217713869U
Application number: CN202221786581.2U
Authority: CN
Inventors: 张其光
Original assignee: Jugong Valve Group Co ltd
Current assignee: Jugong Valve Group Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-01
Anticipated expiration: 2032-07-12

Abstract

The utility model relates to the technical field of a special regulating valve for oxygen, in particular to a special regulating valve for oxygen with an early warning mechanism, which comprises a lower valve seat, wherein the top of the lower valve seat is sequentially provided with an upper valve seat and a fixed seat from bottom to top, a regulating device is arranged between the upper end of the fixed seat and the center inside the upper valve seat, and the center of the outer wall on the right side of the upper valve seat is provided with the early warning mechanism communicated with the inside of the upper valve seat; the early warning mechanism includes the response section of thick bamboo that the level set up, and response section of thick bamboo right side port joint has pressure sensor, and the cover is installed to response section of thick bamboo left side port, goes up valve seat right side wall front end and installs control equipment, and control equipment is inside and pressure sensor is inside through first transmission piece electric connection. The utility model discloses utilize the medium in the admission pipe, promote the pressure-sensitive pole, realize opening the alarm lamp automatically, play the early warning effect, can utilize the control box to come the step motor work drive valve rod in the controlling means to reciprocate simultaneously, make the medium stabilize at suitable pressure value.

Description

Special oxygen regulating valve with early warning mechanism

Technical Field

The utility model relates to a special governing valve technical field of oxygen, specifically speaking relates to a special governing valve of oxygen with early warning mechanism.

Background

The oxygen regulating valve is an antistatic and degreasing oil forbidden regulating valve, and the special oxygen regulating valve is a valve which is arranged in a pipeline and is used for regulating the pressure and the flow of oxygen and is mainly used for regulating the pressure, stabilizing the pressure and regulating the flow. The working principle of the oxygen regulating valve is the same as that of a common pneumatic regulating valve, and the actuator or the positioner receives a 4-20 milliampere signal to control the opening of the valve so as to throttle the area of a medium to achieve the regulating effect.

The utility model discloses a utility model patent with the grant number of CN202121855650.6 discloses a kerosene, oxygen regulating valve, it includes step motor, needle and disk seat, the disk seat includes the first disk seat on upper portion and the second disk seat of lower part, step motor is longitudinal distribution and drive end and sets up down, step motor's drive end place side border is cascaded connection fixedly through the disk seat adapter sleeve with the top border of first disk seat, be provided with the mounting hole that runs through from top to bottom in the middle of the first disk seat, the lower part of first disk seat is provided with the medium entry with the horizontal intercommunication of mounting hole, the top vertically is provided with the guide hole in the middle of the second disk seat, the lateral part of second disk seat is provided with the medium export with the horizontal intercommunication of guide hole, the needle sets up in the mounting hole and the top corresponds with step motor's drive end and is connected, and the bottom corresponds sealedly with the guide hole.

Although the scheme realizes the pressure regulation of the stable pressure of the valve, the situation of overlarge or undersize oxygen pressure can occur in the using process, and in order to timely detect and quickly and stably recover the pressure value of the oxygen, the special oxygen regulating valve with the early warning mechanism is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special governing valve of oxygen with early warning mechanism to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a special oxygen regulating valve with an early warning mechanism comprises a lower valve seat, wherein an upper valve seat and a fixed seat are sequentially arranged at the top of the lower valve seat from bottom to top, a regulating device is arranged between the upper end of the fixed seat and the center of the inside of the upper valve seat, and the center of the outer wall of the right side of the upper valve seat is provided with the early warning mechanism communicated with the inside of the upper valve seat; early warning mechanism includes the response section of thick bamboo that the level set up, response section of thick bamboo right side port joint has pressure sensor, the cover is installed to response section of thick bamboo left side port, go up valve seat right side lateral wall front end and install control equipment, control equipment inside with pressure sensor is inside through first transmission piece electric connection.

Preferably, a first transition hole extending towards the bottom of the upper valve seat is formed in the center of the inner portion of the lower valve seat, and a second transition hole communicated with the first transition hole is formed in the center of the top of the upper valve seat.

Preferably, the right side of the lower valve seat is transversely provided with a stepped air inlet communicated with the first transition hole, the left side of the upper valve seat is transversely provided with a stepped air outlet communicated with the second transition hole, the left end inside the upper valve seat is transversely provided with a guide hole communicated with the second transition hole, and the aperture of the guide hole is smaller than that of the second transition hole.

Preferably, the left side and the right side of the center of the top of the fixing seat are provided with supporting rods side by side, the top of the fixing seat is close to the left side, a control box is installed at the supporting rods, and a second transmission piece is connected to the control box.

Preferably, the control box is electrically connected with the control device through a second transmission piece.

Preferably, the adjusting device comprises stepping motors fixed at the tops of the two support rods, the stepping motors are connected with a connector through output shafts, valve rods are mounted at the bottoms of the connectors through convex blocks, and the bottoms of the valve rods penetrate through the guide holes and are tightly inserted into the second transition holes.

Preferably, the wall of the induction cylinder is in threaded connection with the right end of the upper valve seat, a pressure induction rod is inserted in the induction cylinder, the right side wall of the pressure induction rod is in tight butt joint with the left side wall of the pressure sensor, and three alarm lamps arranged side by side are installed on the left side wall of the pressure sensor.

Preferably, a sealing groove is formed in the center of the left side wall of the cylinder cover, a guide pipe is integrally formed in the center of the left side wall of the cylinder cover, and a sealing gasket is arranged between the left side wall of the induction cylinder and the sealing groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this special governing valve of oxygen with early warning mechanism through pressure sensor and the forced induction pole that sets up, conveniently when using, utilizes the medium that gets into in the pipe, promotes the forced induction pole, makes forced induction pole and pressure sensor form too low or too high butt force, opens the alarm lamp automatically to produce the sensing signal, the sensing signal penetrates control device through first transmission piece.

2. This special governing valve of oxygen with early warning mechanism, through adjusting device and the control box that sets up, the convenience is when using, and when control equipment accepts the sensing signal, control equipment spreads into the control box with sensing signal through the second transmission piece, utilizes the control box to control the step motor work in the adjusting device, and step motor drives the valve rod and reciprocates, makes the medium stabilize at suitable pressure value.

Drawings

Fig. 1 is a schematic view of the overall structure of the utility model;

fig. 2 is a schematic view of the overall structure of the utility model;

fig. 3 is a schematic view of the overall structure of the utility model;

FIG. 4 is a sectional view of the whole structure of the utility model;

fig. 5 is a schematic structural view of a control box and an operation device in the utility model;

fig. 6 is a schematic view of the overall structure of the early warning mechanism of the utility model;

fig. 7 is a schematic view of a part of the structure of the adjusting device of the utility model;

fig. 8 is a schematic structural view of the warning mechanism in the utility model;

fig. 9 is an enlarged view of a portion a in fig. 8 according to the present invention.

In the figure:

1. a lower valve seat; 10. an air inlet; 101. a first transition hole;

2. an upper valve seat; 20. an air outlet; 201. a second transition hole; 202. a guide hole; 21. an operating device; 210. a first transmission member;

3. a fixed seat; 30. a control box; 301. a second transmission member; 31. a support bar;

4. an adjustment device; 40. a stepping motor; 41. a connector; 410. a bump; 42. a valve stem;

5. an early warning mechanism; 50. an induction cylinder; 501. a pressure sensor; 5010. an alarm lamp; 502. a pressure sensing lever; 503. A gasket; 51. a cylinder cover; 510. a sealing groove; 52. a conduit.

Detailed Description

The technical solution in the present invention will be clearly and completely described below with reference to the drawings in the present invention, and obviously, the described utility model is only a part of the utility model, not all of the utility model. Based on utility model provides a, all other utility model that the ordinary skilled person in the art obtained under the prerequisite of not making creative work all belong to the utility model discloses the scope of protection.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. "several" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

Referring to fig. 1 to 9, the present invention provides a technical solution:

a special oxygen regulating valve with an early warning mechanism comprises a lower valve seat 1, wherein an upper valve seat 2 and a fixed seat 3 are sequentially arranged at the top of the lower valve seat 1 from bottom to top, a regulating device 4 is arranged between the upper end of the fixed seat 3 and the center of the inside of the upper valve seat 2, and an early warning mechanism 5 communicated with the inside of the upper valve seat 2 is arranged at the center of the outer wall of the right side of the upper valve seat; early warning mechanism 5 is including the response section of thick bamboo 50 that the level set up, response section of thick bamboo 50 right side port joint has pressure sensor 501, cover 51 is installed to response section of thick bamboo 50 left side port, go up 2 right side walls front ends of valve seat and install control device 21, control device 21 inside and pressure sensor 501 inside through first transmission piece 210 electric connection, through the pressure sensor 501 who sets up, when convenient using, can pass through the sensing signal that pressure sensor 501 produced, transmit sensing signal into control device 21 through first transmission piece 210.

In the embodiment, the center of the inside of the lower valve seat 1 is provided with a first transition hole 101 extending to the bottom of the upper valve seat 2, and the center of the top of the upper valve seat 2 is provided with a second transition hole 201 communicating with the first transition hole 101, so that a medium entering from the air inlet hole 10 is guided to the air outlet hole 20.

Specifically, the right side of the lower valve seat 1 is transversely provided with a stepped air inlet hole 10 communicated with the first transition hole 101, the left side of the upper valve seat 2 is transversely provided with a stepped air outlet hole 20 communicated with the second transition hole 201, the left end inside the upper valve seat 2 is transversely provided with a guide hole 202 communicated with the second transition hole 201, the aperture of the guide hole 202 is smaller than that of the second transition hole 201, and a medium can conveniently enter the guide pipe 52 through the guide hole 202 by utilizing the arranged guide hole 202.

In the embodiment, 3 top centers of fixing base department left and right sides are provided with bracing piece 31 side by side, and 3 tops of fixing base just are close to left side bracing piece 31 and install control box 30, are connected with second transmission 301 on the control box 30, are convenient for fix step motor 40 through the bracing piece 31 that sets up, guarantee step motor 40 stability.

Specifically, the control box 30 is electrically connected to the control device 21 through the second transmission member 301, and the sensing signal received by the control device 21 is transmitted into the control box 30 through the second transmission member 301.

In an embodiment, the adjusting device 4 includes a stepping motor 40 fixed on the top of the two support rods 31, the stepping motor 40 is connected to a connector 41 through an output shaft, wherein the structure and the working principle of the stepping motor 40 are well known to those skilled in the art, and are not described herein, a valve rod 42 is installed on the bottom 41 of the connector 41 through a bump 410, the bottom of the valve rod 42 penetrates through the guide hole 202 and is tightly inserted into the second transition hole 201, the stepping motor 40 drives the connector 41 to work, so that the valve rod 42 moves up and down in the second transition hole 201 through the connector 41, and the pressure of the medium is conveniently adjusted.

Specifically, the wall of the induction cylinder 50 is in threaded connection with the right end of the upper valve seat 2, a pressure induction rod 502 is inserted into the induction cylinder 50, the right side wall of the pressure induction rod 502 is tightly abutted against the left side wall of the pressure sensor 501, three alarm lamps 5010 which are arranged side by side are installed on the left side wall of the pressure sensor 501, when a medium enters the guide pipe 52 through the arranged pressure induction rod 502, pressure is formed in the guide pipe 52 and pushes the pressure induction rod 502, so that the pressure induction rod 502 and the pressure sensor 501 form too low or too high abutting force and generate an induction signal, the alarm lamps 5010 are automatically turned on to work, when the medium in the regulating valve recovers a stable value, the pressure sensor 501 does not generate the induction signal, and the alarm lamps 5010 are turned off.

Finally, a sealing groove 510 is formed in the center of the left side wall of the cylinder cover 51, a guide pipe 52 is integrally formed in the center of the left side wall of the cylinder cover 51, a sealing gasket 503 is arranged between the left side wall of the induction cylinder 50 and the sealing groove 510, and the medium of the early warning mechanism 5 is prevented from leaking to the outside through the arranged sealing gasket 503 to cause failure of the early warning mechanism 5.

The utility model discloses a special governing valve of oxygen with early warning mechanism is when using, when the medium gets into the governing valve inside from inlet port 10, the medium is through first transition hole 101, go into venthole 20 behind the second transition hole 201, and simultaneously, partly medium gets into in the guide hole 202 from second transition hole 201 right-hand member, the medium gets into pipe 52 from guide hole 202, produce gas pressure when the medium passes through pipe 52, promote pressure-sensitive pole 502 in the induction cylinder 50 and pressure sensor 501 form the low or too high relay force of crossing, automatically, open alarm lamp work, and form induction signal through pressure sensor 501, induction signal spreads into in control device 21 through first transmission piece 210, control device 21 receives induction signal in the time, and pass through second transmission piece 301 induction signal and spread into control box 30, control box 30 control adjusting device 4 works, utilize step motor 40 to drive connector 41 and rotate, reciprocate valve rod 42 through connector 41, thereby resume the pressure value of medium, when pressure sensor 501 is not producing induction signal, alarm point self-closing.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The technical personnel of this trade should understand, the utility model does not receive the restriction of above-mentioned utility model, and what describe in above-mentioned utility model and the description only does the preferred example of the utility model to need not restrict the utility model, under the prerequisite that does not deviate from the spirit and scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the scope of the utility model that claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a special governing valve of oxygen with early warning mechanism, includes lower disk seat (1), its characterized in that: an upper valve seat (2) and a fixed seat (3) are sequentially arranged at the top of the lower valve seat (1) from bottom to top, an adjusting device (4) is arranged between the upper end of the fixed seat (3) and the center of the inside of the upper valve seat (2), and an early warning mechanism (5) communicated with the inside of the upper valve seat (2) is arranged at the center of the outer wall of the right side of the upper valve seat; early warning mechanism (5) are including an induction section of thick bamboo (50) that the level set up, induction section of thick bamboo (50) right side port joint has pressure sensor (501), cover (51) are installed to induction section of thick bamboo (50) left side port, go up disk seat (2) right side wall front end and install control equipment (21), control equipment (21) inside with pressure sensor (501) inside is through first transmission piece (210) electric connection.

2. The oxygen dedicated regulating valve with early warning mechanism according to claim 1, characterized in that: the center of the inner part of the lower valve seat (1) is provided with a first transition hole (101) extending to the bottom of the upper valve seat (2), and the center of the top of the upper valve seat (2) is provided with a second transition hole (201) communicated with the first transition hole (101) downwards.

3. The oxygen dedicated regulating valve with early warning mechanism according to claim 2, characterized in that: the right side of the lower valve seat (1) is transversely provided with a step-shaped air inlet hole (10) communicated with the first transition hole (101), the left side of the upper valve seat (2) is transversely provided with a step-shaped air outlet hole (20) communicated with the second transition hole (201), the left end inside the upper valve seat (2) is transversely provided with a guide hole (202) communicated with the second transition hole (201), and the aperture of the guide hole (202) is smaller than that of the second transition hole (201).

4. The special oxygen regulating valve with early warning mechanism according to claim 3, wherein: the utility model discloses a control box, including fixing base (3), bracing piece (31) are provided with side by side in fixing base (3) top center department left and right sides, fixing base (3) top just is close to the left side bracing piece (31) department installs control box (30), be connected with second transmission piece (301) on control box (30).

5. The special oxygen regulating valve with early warning mechanism according to claim 4, wherein: the control box (30) is electrically connected with the control equipment (21) through a second transmission piece (301).

6. The special oxygen regulating valve with early warning mechanism according to claim 4, wherein: adjusting device (4) are including fixing two step motor (40) at bracing piece (31) top, step motor (40) have connector (41) through output shaft connection, valve rod (42) are installed through lug (410) in connector (41) bottom, valve rod (42) bottom is run through behind guide hole (202) and closely plug in connect in second transition hole (201).

7. The oxygen dedicated regulating valve with early warning mechanism according to claim 1, characterized in that: response section of thick bamboo (50) section of thick bamboo wall with go up disk seat (2) right-hand member threaded connection, response section of thick bamboo (50) inside grafting has forced induction pole (502), forced induction pole (502) right side wall with pressure sensor (501) left side wall is inseparable butt, three alarm lamp (5010) that set up side by side are installed to pressure sensor (501) left side wall.

8. The oxygen dedicated regulating valve with early warning mechanism according to claim 1, characterized in that: the sealing groove (510) has been seted up at cover (51) left side wall center department, cover (51) left side wall center department integrated into one piece has pipe (52), induction cylinder (50) left side wall with be provided with sealed pad (503) between sealing groove (510).