CN111059302A - Stamping-resistant sealing stop valve - Google Patents
Stamping-resistant sealing stop valve Download PDFInfo
- Publication number
- CN111059302A CN111059302A CN202010044445.5A CN202010044445A CN111059302A CN 111059302 A CN111059302 A CN 111059302A CN 202010044445 A CN202010044445 A CN 202010044445A CN 111059302 A CN111059302 A CN 111059302A
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- CN
- China
- Prior art keywords
- valve
- valve body
- clack
- ring
- packing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
Abstract
The invention discloses a stamping-resistant sealing stop valve which comprises a valve body, a packing gland and a valve rod, wherein the packing gland and the valve rod are fixed at the upper end of the valve body, a valve clack is connected in a sliding connection cavity in a sliding connection mode, the valve rod sequentially penetrates through the packing gland, a packing structure in the packing gland and the valve body and then is connected to the valve clack, a sealing column used for being inserted into a vertical channel is arranged in the middle of the lower end of the valve clack, inserting protrusions inserted into inserting grooves are arranged on two sides of the lower end of the valve rod, the upper end of a buffer spring of an inserting circular hole extends into a limiting groove in the middle. According to the invention, as the upper end of the buffer spring inserted into the round hole extends into the limiting groove in the middle of the lower end of the valve rod, when liquid flows out of the water outlet channel through the vertical channel, the liquid can impact the valve clack, so that the valve clack moves upwards, and the buffer spring is in a compressed state, so that the impact of the liquid on the valve clack is relieved.
Description
Technical Field
The invention relates to the technical field of stop valves, in particular to a stamping-resistant sealing stop valve.
Background
The existing stop valve is opened and closed through the valve rod driving valve clack, liquid flowing through the valve body can have a large impact effect on the valve clack in the using process, and after the existing stop valve is used for a long time, the valve clack is easily damaged, so that the stop valve cannot be used, and therefore the stop valve is a stamping-resistant sealing stop valve.
Disclosure of Invention
The invention aims to provide a stamping-resistant sealing stop valve to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a stamping-resistant sealing stop valve comprises a valve body, a packing gland and a valve rod, wherein the packing gland and the valve rod are fixed at the upper end of the valve body, a water inlet channel and a water outlet channel are respectively arranged at the left side and the right side in the valve body, the water inlet channel and the water outlet channel are communicated through a vertical channel in the valve body, a sliding connection cavity above the vertical channel is also arranged in the valve body, a valve clack is connected in the sliding connection cavity in a sliding manner, the valve rod sequentially penetrates through a packing structure in the packing gland, the packing gland and the valve body and then is connected to the valve clack, a sealing column for inserting into the vertical channel is arranged in the middle of the lower end of the valve clack, an inserting round hole for inserting the lower end of the valve rod is arranged in the middle of the upper end of the valve clack, inserting grooves are also arranged at two sides of the inserting round, the lower part of the valve rod is further sleeved with a fixed seat, the lower end of the fixed seat is provided with a limiting bulge inserted into the insertion groove, and the fixed seat is fixed at the upper end of the valve clack through a screw.
Preferably, the water inlet channel and the water outlet channel are arranged in a manner of being high at the left and low at the right, the right end of the water inlet channel is communicated with the bottom of the vertical channel, and the left end of the water outlet channel is communicated with the upper part of the vertical channel.
Preferably, the bottom of the valve clack is provided with a sealing bulge ring which is integrally formed with the valve clack, the bottom of the sliding connection cavity is provided with an annular groove, and the sealing bulge ring is in threaded connection with the annular groove.
Preferably, the packing structure includes upper pressure ring, packing and the lower pressure ring that from top to bottom sets up in gland inside, upper pressure ring and lower pressure ring are with the pressfitting of packing between the two.
Preferably, go up clamping ring, filler and push down the ring and fix through the stay bolt, the stay bolt runs through clamping ring, filler and push down behind the ring spiro union in the upper end of valve body in proper order, clamping ring and valve body contact department still joint have seal ring down.
Preferably, the top of the upper end of the valve rod is connected with a hand wheel, and the flange plate at the upper end of the valve body is fixed with the flange plate at the lower end of the packing gland in a threaded manner through bolts.
Compared with the prior art, the invention has the beneficial effects that: when the liquid flows into the water outlet channel through the water inlet channel, the liquid must pass through the vertical channel, so that the flowing distance of the liquid is increased, the flow speed of the liquid is reduced, and the valve clack is effectively prevented from being impacted by the too high flow speed of the liquid;
the valve rod can be rotated by rotating the hand wheel, so that the valve rod drives the valve clack to move downwards along the sliding connection cavity until the sealing column is inserted into the vertical channel and the sealing bulge ring at the bottom of the valve clack is screwed in the annular groove, and the water inlet channel and the water outlet channel are blocked by the valve clack;
when the valve clack moves downwards along the sliding connection cavity, liquid flows through the water inlet channel, the vertical channel and the water outlet channel in sequence, at the moment, the upper end of the buffer spring of the inserting round hole extends into the limiting groove in the middle of the lower end of the valve rod, and when the liquid flows out of the water outlet channel through the vertical channel, the liquid impacts the valve clack to enable the valve clack to move upwards, and the buffer spring is in a compression state, so that the impact of the liquid on the valve clack is relieved;
then until the sealing column inserts to vertical passageway in, separation liquid flows, and liquid no longer strikes the valve clack, and buffer spring is in the extension state this moment for the valve clack moves to the valve rod bottommost, and the sealed bulge loop spiro union of valve clack bottom is in annular groove, and this kind has just passed through the valve clack separation inhalant canal and exhalant canal.
Drawings
FIG. 1 is a schematic side sectional view of the present invention as a whole;
FIG. 2 is a schematic side sectional view of a packing structure according to the present invention;
FIG. 3 is an exploded view of the valve stem and flap connection of the present invention.
In the figure: 1 valve body, 2 water inlet channel, 3 annular grooves, 4 vertical channels, 5 water outlet channels, 6 valve clacks, 7 sliding connection cavities, 8 sealing columns, 9 bolts, 10 valve rods, 11 packing gland covers, 12 packing, 13 hand wheels, 14 sealing gaskets, 15 lower pressing rings, 16 upper pressing rings, 17 long bolts, 18 sealing bulge rings, 19 insertion circular holes, 20 insertion grooves, 21 insertion bulges, 22 buffer springs, 23 limiting grooves, 24 fixing seats, 25 screws and 26 limiting bulges.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a stamping-resistant sealing stop valve comprises a valve body 1, a packing gland 11 and a valve rod 10, wherein the packing gland 11 and the valve rod 10 are fixed at the upper end of the valve body 1, a water inlet channel 2 and a water outlet channel 5 are respectively arranged at the left side and the right side inside the valve body 1, the water inlet channel 2 and the water outlet channel 5 are communicated through a vertical channel 4 inside the valve body 1, a sliding connection cavity 7 positioned above the vertical channel 4 is further arranged inside the valve body 1, a valve clack 6 is slidably connected in the sliding connection cavity 7, the valve rod 10 sequentially penetrates through a packing structure inside the packing gland 11 and the valve body 1 and then is connected with the valve clack 6, a sealing column 8 used for being inserted into the vertical channel 4 is arranged in the middle of the lower end of the valve clack 6, an inserting round hole 19 used for being inserted into the lower end of the valve rod 10 is arranged in the middle of, the upper end of a buffer spring 22 of the insertion round hole 19 extends into a limiting groove 23 in the middle of the lower end of the valve rod 10, the lower portion of the valve rod 10 is further sleeved with a fixing seat 24, a limiting protrusion 26 inserted into the insertion groove 20 is arranged at the lower end of the fixing seat 24, and the fixing seat 24 is fixed to the upper end of the valve clack 6 through a screw 25.
Specifically, inhalant canal 2 and exhalant canal 5 all are the setting of high left and low right, inhalant canal 2's right-hand member communicates in vertical channel 4's bottom, exhalant canal 5's left end communicates in vertical channel 4's upper portion, through vertical channel 4's setting for liquid must pass through vertical channel 4 when flowing into exhalant canal 5 via inhalant canal 2, has increased the flow distance of liquid like this, thereby is favorable to reducing the liquid velocity of flow, and then effectively prevents the too fast valve clack 6 that strikes of liquid velocity of flow.
Specifically, 6 bottoms of valve clack are equipped with rather than integrated into one piece's sealed bulge loop 18, the bottom of sliding connection chamber 7 is equipped with annular groove 3, sealed bulge loop 18 spiro union is in annular groove 3, like this when sealed post 8 inserts to vertical passage 4 in, 6 separation inhalant canal 2 of valve clack and exhalant canal 5 for the fixed firm stability of valve clack 6.
Specifically, the packing structure comprises an upper pressing ring 16, packing 12 and a lower pressing ring 15 which are arranged inside a packing gland 11 from top to bottom, and the packing 12 is pressed between the upper pressing ring 16 and the lower pressing ring 15; the upper pressure ring 16, the packing 12 and the lower pressure ring 15 are fixed through a long bolt 17, and the long bolt 17 penetrates through the upper pressure ring 16, the packing 12 and the lower pressure ring 15 in sequence and then is screwed to the upper end of the valve body 1, so that the packing structure is fixed firmly and stably;
the contact position of the lower pressing ring 15 and the valve body 1 is further clamped with a sealing washer 14, so that the sealing performance of the packing structure and the valve body 1 can be improved.
Specifically, the top of the upper end of the valve rod 10 is connected with a hand wheel 13, the flange plate at the upper end of the valve body 1 is fixed with the flange plate at the lower end of the packing gland 11 through bolts 9 in a threaded manner, and therefore the valve rod 10 can be rotated by rotating the hand wheel 13.
Specifically, when the valve is used, liquid flows into the water outlet channel 5 through the water inlet channel 2 and must pass through the vertical channel 4, so that the flowing distance of the liquid is increased, the flowing speed of the liquid is reduced, and the valve clack 6 is effectively prevented from being impacted by the too high flowing speed of the liquid;
the valve rod 10 can be rotated by rotating the hand wheel 13, so that the valve rod 10 drives the valve clack 6 to move downwards along the sliding connection cavity 7 until the sealing column 8 is inserted into the vertical channel 4 and the sealing bulge ring 18 at the bottom of the valve clack 6 is screwed in the annular groove 3, and the water inlet channel 2 and the water outlet channel 5 are blocked by the valve clack 6;
when the valve clack 6 moves downwards along the sliding connection cavity 7, liquid flows through the water inlet channel 2, the vertical channel 4 and the water outlet channel 5 in sequence, at the moment, because the upper end of the buffer spring 22 of the insertion round hole 19 extends into the limiting groove 23 in the middle of the lower end of the valve rod 10, when the liquid flows out of the vertical channel 4 to the water outlet channel 5, the liquid impacts the valve clack 6, so that the valve clack 6 moves upwards, and the buffer spring 22 is in a compression state, thereby playing a role in relieving the impact of the liquid on the valve clack 6;
then until the sealing column 8 is inserted into the vertical channel 4, the liquid is blocked from flowing, the liquid does not impact the valve clack 6 any more, at the moment, the buffer spring 22 is in an extension state, so that the valve clack 6 moves to the bottommost part of the valve rod 10, the sealing bulge ring 18 at the bottom of the valve clack 6 is in threaded connection with the annular groove 3, and the water inlet channel 2 and the water outlet channel 5 are blocked by the valve clack 6.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a resistant punching press sealed stop valve, includes valve body (1), is fixed in gland (11) and valve rod (10) of valve body (1) upper end, its characterized in that: the water inlet passage (2) and the water outlet passage (5) are respectively arranged on the left side and the right side inside the valve body (1), the water inlet passage (2) and the water outlet passage (5) are communicated through a vertical passage (4) inside the valve body (1), a sliding connection cavity (7) positioned above the vertical passage (4) is further arranged inside the valve body (1), a valve clack (6) is connected in the sliding connection cavity (7) in a sliding manner, the valve rod (10) sequentially penetrates through a packing gland (11), a packing structure inside the packing gland (11) and the valve body (1) and then is connected to the valve clack (6), a sealing column (8) inserted into the vertical passage (4) is arranged in the middle of the lower end of the valve clack (6), an inserting round hole (19) used for inserting the lower end of the valve rod (10) is arranged in the middle of the upper end of the valve clack (6), inserting grooves (, valve rod (10) lower extreme both sides are equipped with grafting arch (21) that insert to inserting groove (20), the upper end of buffer spring (22) of grafting round hole (19) stretches into spacing recess (23) to valve rod (10) lower extreme middle part, fixing base (24) have still been cup jointed to valve rod (10) lower part, fixing base (24) lower extreme is equipped with spacing arch (26) that insert to inserting groove (20), fixing base (24) are fixed in the upper end of valve clack (6) through screw (25).
2. A press resistant sealed shut off valve according to claim 1 wherein: inhalant canal (2) and exhalant canal (5) all are the high right-hand member setting, the right-hand member of inhalant canal (2) communicates in the bottom of vertical passageway (4), the left end of exhalant canal (5) communicates in the upper portion of vertical passageway (4).
3. A press resistant sealed shut off valve according to claim 1 wherein: the bottom of the valve clack (6) is provided with a sealing bulge ring (18) which is integrally formed with the valve clack, the bottom of the sliding connection cavity (7) is provided with an annular groove (3), and the sealing bulge ring (18) is in threaded connection with the annular groove (3).
4. A press resistant sealed shut off valve according to claim 1 wherein: the packing structure comprises an upper pressure ring (16), a packing (12) and a lower pressure ring (15) which are arranged inside a packing gland (11) from top to bottom, wherein the upper pressure ring (16) and the lower pressure ring (15) press the packing (12) between the upper pressure ring and the lower pressure ring.
5. The seal shut-off valve of claim 4, further comprising: go up clamping ring (16), pack (12) and push down ring (15) and fix through stay bolt (17), stay bolt (17) run through clamping ring (16), pack (12) and push down ring (15) back spiro union in the upper end of valve body (1) in proper order, clamping ring (15) and valve body (1) contact department still joint have seal ring (14) down.
6. A press resistant sealed shut off valve according to claim 1 wherein: the top of the upper end of the valve rod (10) is connected with a hand wheel (13), and a flange plate at the upper end of the valve body (1) is fixed with a flange plate at the lower end of the packing gland (11) through bolts (9) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010044445.5A CN111059302A (en) | 2020-01-16 | 2020-01-16 | Stamping-resistant sealing stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010044445.5A CN111059302A (en) | 2020-01-16 | 2020-01-16 | Stamping-resistant sealing stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111059302A true CN111059302A (en) | 2020-04-24 |
Family
ID=70306769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010044445.5A Pending CN111059302A (en) | 2020-01-16 | 2020-01-16 | Stamping-resistant sealing stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111059302A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671985A (en) * | 2013-12-10 | 2014-03-26 | 重庆巨康建材有限公司 | Rotary control type stop valve |
| CN204025716U (en) * | 2014-08-18 | 2014-12-17 | 温州市石化机械阀门有限公司 | Sealed type stop valve |
| CN104358910A (en) * | 2014-10-28 | 2015-02-18 | 江苏华太电力仪表有限公司 | Angle stop valve with high sealing performance and long service life |
| CN205190801U (en) * | 2015-10-28 | 2016-04-27 | 昆明金质先锋智能仪表有限公司 | Seal structure of stop valve |
| CN206770631U (en) * | 2017-02-28 | 2017-12-19 | 中国电建集团上海能源装备有限公司 | A kind of valve sealing face for being applied to more than 600 DEG C steam mediums |
-
2020
- 2020-01-16 CN CN202010044445.5A patent/CN111059302A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671985A (en) * | 2013-12-10 | 2014-03-26 | 重庆巨康建材有限公司 | Rotary control type stop valve |
| CN204025716U (en) * | 2014-08-18 | 2014-12-17 | 温州市石化机械阀门有限公司 | Sealed type stop valve |
| CN104358910A (en) * | 2014-10-28 | 2015-02-18 | 江苏华太电力仪表有限公司 | Angle stop valve with high sealing performance and long service life |
| CN205190801U (en) * | 2015-10-28 | 2016-04-27 | 昆明金质先锋智能仪表有限公司 | Seal structure of stop valve |
| CN206770631U (en) * | 2017-02-28 | 2017-12-19 | 中国电建集团上海能源装备有限公司 | A kind of valve sealing face for being applied to more than 600 DEG C steam mediums |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200424 |