CN217633885U - High airtight high temperature resistant valve - Google Patents

Abstract

The utility model relates to the technical field of valves, concretely relates to high airtight high temperature resistant valve, including valve body and motor, the top fixedly connected with valve storehouse of valve body, the valve body with the valve storehouse is linked together, the inside wall integrated into one piece of valve body has the chassis, the inside wall top fixedly connected with roof of valve storehouse. The utility model overcomes prior art's is not enough, and the during operation, the motor starts for the case reciprocates, and when the valve body was laminated in case decline, the separation fluid passed the valve body, and when the case rose to the top in the valve storehouse, the fluid can pass through the valve body, and it is rotatory to drive the lead screw through the rotary motion that the motor produced, and then drives the case and go up and down, through mechanical transmission, makes the tight card of case in the valve body, can not produce not hard up, the gas tightness of improvement valve that can be very big, simultaneously, the utility model discloses install filter mechanism on the valve, can prevent that granule debris from getting into in the valve, effectively prevent that granule debris from influencing valve seal nature.

Description

High airtight high temperature resistant valve

Technical Field

The utility model relates to the technical field of valves, specifically be a high airtight high temperature resistant valve.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are classified into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, and the like according to the material.

The general valve adopts simple rotation to open and close, and under long-time the use, it is easy to produce to become flexible, leads to the gas tightness relatively poor, influences the valve and normally works.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a high airtight high temperature resistant valve has overcome prior art not enough, aims at solving general valve and adopts simple rotation to open and close, uses for a long time down, produces easily not hard up, leads to the gas tightness relatively poor, influences the problem of valve normal work.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high airtight high temperature resistant valve, includes valve body and motor, the top fixedly connected with valve storehouse of valve body, the valve body with the valve storehouse is linked together, the inside wall integrated into one piece of valve body has the chassis, the inside wall top fixedly connected with roof of valve storehouse, the roof with rotate on the chassis and be connected with the lead screw, the motor pass through the bolt install in the top of valve storehouse, the output shaft of motor run through the valve storehouse and with the lead screw welds mutually, threaded connection has the case on the lead screw, the case lateral wall with the inboard top of valve body agrees with mutually.

As a preferred technical scheme of the utility model, the draw-in groove that three rings of equidistance were arranged is seted up at the inboard top of valve body, it has the sealing washer of three equidistance distribution to bond on the case, the sealing washer with the draw-in groove phase-match.

As a preferred technical scheme of the utility model, the roof with fixedly connected with guide arm between the chassis, the one end of guide arm is passed the case and with case sliding connection.

As a preferred technical scheme of the utility model, the one end intercommunication of valve body has the square pipeline of second, one side intercommunication of valve storehouse has first square pipeline, first square pipeline with all install the flange on the square pipeline of second.

As a preferred technical scheme of the utility model, first square pipeline with all install filtering mechanism on the square pipeline of second, filtering mechanism includes swing arm, connecting rod, buckle, fixed frame and filter screen, first square pipeline with the square pipeline of second all with swing arm threaded connection, connecting rod fixed connection in the top of swing arm, buckle fixed connection in the top of connecting rod, fixed frame rotate connect in the bottom of swing arm, the filter screen install in on the fixed frame.

As an optimized technical scheme of the utility model, the top of swing arm is rotated and is connected with the closing plate.

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

the during operation, the motor starts for the case reciprocates, and when case decline laminating valve body, the separation fluid passed the valve body, when the case rose to the top in the valve storehouse, the fluid can pass through the valve body, and the rotary motion that produces through the motor drives the lead screw rotatory, and then drives the case and goes up and down, through mechanical transmission, makes the tight card of case in the valve body, can not produce not hard up, the gas tightness of improvement valve that can be very big, simultaneously, the utility model discloses installed filter mechanism on the valve, can prevent that granule debris from getting into in the valve, effectively prevent that granule debris from influencing valve seal nature.

Drawings

FIG. 1 is a front view of the high-airtight high-temperature resistant valve of the present invention;

FIG. 2 is a schematic structural view of the high-airtight high-temperature resistant valve of the present invention;

FIG. 3 is a front view of the filter mechanism of the present invention;

fig. 4 is a schematic structural view of the valve element of the present invention.

In the figure: 11. a valve body; 12. a valve chamber; 13. a first square pipe; 14. a second square pipe; 15. a flange; 16. rotating the rod; 17. a sealing plate; 18. a connecting rod; 19. a retaining ring; 110. a fixing frame; 111. a filter screen; 21. a chassis; 22. a top plate; 23. a screw rod; 24. a motor; 25. a valve core; 26. a guide bar; 27. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, a high airtight and high temperature resistant valve includes a valve body 11 and a motor 24, a valve chamber 12 is fixedly connected to the top of the valve body 11, the valve body 11 and the valve chamber 12 are made of heat resistant steel and have good heat resistance, the valve body 11 is combined with the valve chamber 12, a valve core 25 can be lifted up and down in the valve body 11 and the valve chamber 12, when the valve core 25 is lowered and attached to the valve body 11, a blocking fluid passes through the valve body 11, when the valve core 25 is lifted up to the top of the valve chamber 12, the fluid can pass through the valve body 11, the valve body 11 is communicated with the valve chamber 12, an inner side wall of the valve body 11 is integrally formed with a bottom frame 21, a top plate 22 is fixedly connected to the top plate 22 and the bottom frame 21, a lead screw 23 is rotatably connected to the lead screw 22, when the lead screw 23 rotates, the lead screw 25 is driven to lift up and down, the motor 24 is mounted to the top of the valve chamber 12 through a bolt, an output shaft of the motor 24 penetrates through the valve chamber 12 and is welded to the lead screw 23, the lead screw 23 is threadedly connected to the valve core 25, an outer side wall of the valve core 25 is engaged with the top plate 11, a guide rod 26 fixedly connected to prevent the lead screw 25 from rotating, and connected to the lead screw 25, and the lead screw 25 is connected to prevent the lead screw 25 from rotating. The during operation, motor 24 starts, can drive lead screw 23 and rotate, thereby make case 25 reciprocate, when case 25 descends laminating valve body 11, separation fluid passes valve body 11, when case 25 rises to the top in valve storehouse 12, fluid can pass through valve body 11, the rotary motion that produces through motor 24 drives lead screw 23 rotatory, and then drive case 25 and go up and down, through mechanical transmission, make the card that case 25 is tight in valve body 11, can not produce not hard up, the gas tightness of improvement valve that can be very big.

Specifically, please refer to fig. 2 and 4, three rings of slots are equidistantly arranged at the top of the inner side of the valve body 11, three sealing rings 27 are bonded to the valve core 25 and are equidistantly distributed, the sealing rings 27 are matched with the slots, the radii of the three sealing rings 27 are sequentially reduced from top to bottom, and when the valve core 25 is clamped in the valve body 11, the sealing rings 27 are clamped in the slots, so that the air tightness of the valve core 25 can be improved.

Specifically, referring to fig. 1 and 2, one end of the valve body 11 is communicated with a second square pipe 14, one side of the valve chamber 12 is communicated with a first square pipe 13, the first square pipe 13 and the second square pipe 14 are both provided with flanges 15, the first square pipe 13 and the second square pipe 14 are both provided with a filtering mechanism, the filtering mechanism comprises a rotating rod 16, a connecting rod 18, a retaining ring 19, a fixing frame 110 and a filter screen 111, the first square pipe 13 and the second square pipe 14 are both in threaded connection with the rotating rod 16, the connecting rod 18 is fixedly connected to the top of the rotating rod 16, the retaining ring 19 is fixedly connected to the top end of the connecting rod 18, the fixing frame 110 is rotatably connected to the bottom of the rotating rod 16, and the filter screen 111 is mounted on the fixing frame 110. All set up the through-hole that supplies fixed frame 110 to pass on first square pipeline 13 and the second square pipeline 14, during the installation, pass fixed frame 110 and insert in first square pipeline 13 and the second square pipeline 14, rotatory retaining ring 19, set up the external screw thread on the swing arm 16, make swing arm 16 screw-on first square pipeline 13 and the second square pipeline 14, the top of swing arm 16 is rotated and is connected with the closing plate 17, the closing plate 17 can bond on first square pipeline 13 and the second square pipeline 14, be used for sealing first square pipeline 13 and the second square pipeline 14, convenient to detach and wash filter screen 111, filter screen 111 can prevent that large granule from enough getting into valve body 11 and valve storehouse 12, prevent that debris from influencing the airtight leakproofness of valve.

The working principle is as follows: in operation, the motor 24 is started, the lead screw 23 can be driven to rotate, so that the valve core 25 moves up and down, when the valve core 25 descends and is attached to the valve body 11, the blocking fluid passes through the valve body 11, when the valve core 25 ascends to the top in the valve cabin 12, the fluid can pass through the valve body 11, the lead screw 23 is driven to rotate through the rotating motion generated by the motor 24, and then the valve core 25 is driven to ascend and descend, through mechanical transmission, the valve core 25 is tightly clamped in the valve body 11 and cannot be loosened, the air tightness of the valve can be greatly improved, through holes for the fixed frame 110 to pass through are formed in the first square pipeline 13 and the second square pipeline 14, the fixed frame 110 is passed and inserted into the first square pipeline 13 and the second square pipeline 14 during installation, the retaining ring 19 is rotated, the rotating rod 16 is provided with external threads, the rotating rod 16 is screwed on the first square pipeline 13 and the second square pipeline 14 in a spiral manner, the sealing plate 17 is rotatably connected to the top of the rotating rod 16, the sealing plate 17 can be bonded on the first square pipeline 13 and the second square pipeline 14 for sealing the first square pipeline 13 and the second square pipeline 14, the valve is convenient to be detached and can prevent the valve body 111 from affecting large-particle filter screen 12, and the large-particle filter screen 111 from entering the large-foot filter screen.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a high airtight high temperature resistant valve, includes valve body (11) and motor (24), its characterized in that: the top fixedly connected with valve storehouse (12) of valve body (11), valve body (11) with valve storehouse (12) are linked together, the inside wall integrated into one piece of valve body (11) has chassis (21), the inside wall top fixedly connected with roof (22) of valve storehouse (12), roof (22) with it is connected with lead screw (23) to rotate on chassis (21), motor (24) through the bolt install in the top of valve storehouse (12), the output shaft of motor (24) runs through valve storehouse (12) and with lead screw (23) welds mutually, threaded connection has case (25) on lead screw (23), case (25) lateral wall with the inboard top of valve body (11) agrees with mutually.

2. The high-airtightness and high-temperature-resistant valve according to claim 1, wherein: the draw-in groove that three rings equidistance were arranged is seted up at the inboard top of valve body (11), it has sealing washer (27) that three equidistance distributed to bond on case (25), sealing washer (27) with the draw-in groove phase-match.

3. The high-airtightness and high-temperature-resistant valve according to claim 1, wherein: a guide rod (26) is fixedly connected between the top plate (22) and the bottom frame (21), and one end of the guide rod (26) penetrates through the valve core (25) and is in sliding connection with the valve core (25).

4. The high-airtightness and high-temperature-resistant valve according to claim 1, wherein: one end of the valve body (11) is communicated with a second square pipeline (14), one side of the valve cabin (12) is communicated with a first square pipeline (13), and flanges (15) are mounted on the first square pipeline (13) and the second square pipeline (14).

5. The high-airtightness and high-temperature-resistant valve according to claim 4, wherein: first square pipeline (13) with all install filtering mechanism on second square pipeline (14), filtering mechanism includes swing arm (16), connecting rod (18), buckle (19), fixed frame (110) and filter screen (111), first square pipeline (13) with second square pipeline (14) all with swing arm (16) threaded connection, connecting rod (18) fixed connection in the top of swing arm (16), buckle (19) fixed connection in the top of connecting rod (18), fixed frame (110) rotate connect in the bottom of swing arm (16), filter screen (111) install in on fixed frame (110).

6. The high-airtightness and high-temperature-resistant valve according to claim 5, wherein: the top of the rotary rod (16) is rotatably connected with a sealing plate (17).

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