CN212155967U - Sealed ball valve cover - Google Patents

Sealed ball valve cover Download PDF

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Publication number
CN212155967U
CN212155967U CN202020637925.8U CN202020637925U CN212155967U CN 212155967 U CN212155967 U CN 212155967U CN 202020637925 U CN202020637925 U CN 202020637925U CN 212155967 U CN212155967 U CN 212155967U
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China
Prior art keywords
flange
hole
rtj
bolt
valve gap
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CN202020637925.8U
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Chinese (zh)
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王建锋
尤利泽
朱露根
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QIUBAO VALVE CO Ltd
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QIUBAO VALVE CO Ltd
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Abstract

The utility model provides a canned type ball valve gap, includes the valve gap body, is close to the inlet channel end on the valve gap body and is equipped with the first flange with pipe connection, is close to liquid outlet channel end on the valve gap body and is equipped with the second flange, be equipped with the RTJ type groove of round on the outer marginal terminal surface of second flange, install RTJ type sealing washer on the RTJ type groove, be equipped with a hole of exploring that is used for detecting the oil leak on the second flange upper surface, explore hole lower extreme intercommunication RTJ type groove, be equipped with the bolt hole on the second flange, both ends are equipped with first counter bore and second counter bore respectively about the bolt hole, are equipped with telescopic bolt seal cover on the second counter bore. The utility model discloses be equipped with telescopic bolt seal cover at the bolt hole lower extreme, it is sealed effectual, the bottom surface of second flange is equipped with inside and outside sealing ring and RTJ type sealing washer respectively, and double seal is equipped with on the valve gap and explores the hole, can insert the probe and inspect RTJ type sealing washer department whether have the condition of oil leak, and the workman leak hunting is convenient.

Description

Sealed ball valve cover
Technical Field
The utility model relates to the technical field of valves, especially, relate to a canned type ball valve gap.
Background
The ball valve is a valve whose opening and closing part is a ball body, which is driven by a valve rod and rotates around the axis of the ball valve, can be used for regulating and controlling fluid, and can be closed tightly only by rotating 90 degrees and a small rotating torque. In China, the ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a significant role in national economy. The valve cover is an important part of the valve body, and the sealing performance of the valve cover affects whether the valve has a leakage problem or not.
The utility model discloses a ball valve gap in patent number CN201320725676.8, aim at providing a ball valve gap who promotes ball valve leakproofness, and its technical scheme main points are equipped with the collar on the terminal surface that includes the end cover body and be close to liquid outlet channel, are equipped with the die cavity between collar and the liquid outlet channel, and the die cavity is the installation department for supplying the installation of ball core, and the installation department is the spill sphere with ball core looks adaptation. The end cover body is matched with the valve body through the sealing ring arranged on the mounting part, so that the sealing area of the end cover body and the valve body is increased, the sealing performance of the end cover body is further improved, the ball valve is ensured not to leak in the use process, the mounting ring on the end face of the body has the effect of increasing the sealing area, the ball core is not easy to vibrate in the use process, and the stability of the ball valve is improved, but the invention has the following defects: 1. the mounting ring of the valve cover and the end cover body are of an integral structure, oil leakage is easy to occur after the mounting ring is collided and damaged, and the replacement and maintenance cost is high; 2. this valve gap does not seal up bolt hole department to because the dismouting of bolt, the bolt sealing washer of bolt hole upper end often can damage, causes the rainwater seepage, corrodes the connecting face of bolt and valve gap and valve body, only has a sealing washer on 3, the valve gap, and the ageing risk of sealing washer is big, and sealed effect is poor, lacks the structure of inspection oil leak on 4, the valve gap, and the workman leak hunting is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the problem that above-mentioned prior art exists, provide a canned type ball valve gap, it is sealed effectual, and have the structure of inspection oil leak, make things convenient for the workman to overhaul.
The utility model provides a technical scheme that its technical problem adopted: this kind of canned type ball valve gap, including the valve gap body, be equipped with the passageway on the valve gap body, the passageway includes inlet channel and liquid outlet channel, is close to the inlet channel end on the valve gap body and is equipped with the first flange with the pipe connection, is close to the liquid outlet channel end on the valve gap body and is equipped with the second flange, the liquid outlet channel bottom is equipped with ball core installation department, characterized by: be equipped with the sealing ring mounting groove on the terminal surface that is close to liquid outlet channel one end on the second flange, be equipped with the sealing ring on the sealing ring mounting groove, be equipped with the RTJ type groove of round on the outer marginal terminal surface of second flange, install RTJ type sealing washer on the RTJ type groove, be equipped with a hole of exploring that is used for detecting the oil leak on the second flange upper surface, explore hole lower extreme intercommunication RTJ type groove, be equipped with the bolt hole on the second flange, both ends are equipped with first counter bore and second counter bore respectively about the bolt hole, are equipped with telescopic bolt seal cover on the second counter bore, are equipped with the spring between bolt seal cover and the second.
By adopting the technical scheme, the mounting ring of the valve cover and the end cover body are of a combined structure, and the mounting ring is easy to replace after being collided and damaged, so that the maintenance cost is reduced; the bottom surface of the second flange is respectively provided with an inner sealing ring, an outer sealing ring and an RTJ type sealing ring, so that double sealing is realized, the sealing capability of the valve cover is improved, and the service life of the cover body is prolonged; due to the disassembly and assembly of the bolt, a bolt sealing ring at the upper end of a bolt hole can be frequently damaged to cause rainwater leakage, a telescopic bolt sealing sleeve is arranged at the lower end of the bolt hole, the sealing effect is good, external liquid cannot easily enter the connecting surface of the valve cover and the valve body from the bolt hole and cannot be easily corroded, and oil cannot leak from the bolt hole between the sealing ring and the RTJ-shaped sealing ring after the sealing ring fails; be equipped with on the valve gap and explore the hole, can insert the probe and inspect whether the condition of leaking oil has in RTJ type sealing washer department, can change the sealing member in advance, workman's leak hunting is convenient.
For further perfection, sealing ring mounting groove tank bottom is equipped with the convex arc surface of round, the sealing ring upside is equipped with the concave arc surface of round, convex arc surface and the laminating of concave arc surface.
Through adopting above-mentioned technical scheme, strengthened the leakproofness between sealing ring mounting groove and the sealing ring.
And further perfection is realized, a one-way valve is arranged on the probing hole, the one-way valve is positioned between the probing hole and the RTJ type groove, and the one-way valve consists of a taper hole, a ball and a return spring.
Through adopting above-mentioned technical scheme, the oil leak in the RTJ type groove can not follow directly explore the hole and flow out.
Further perfection, the sinking platform surface of the first counter bore is provided with an annular convex line.
Through adopting above-mentioned technical scheme, the leakproofness of bolt top packing ring is improved to the annular burr.
Further perfecting, the bolt sealing sleeve is of a convex cylindrical structure, a flange is arranged at the bottom of the bolt sealing sleeve, and two circles of convex V-shaped stripes are arranged on the bottom surface of the flange.
Through adopting above-mentioned technical scheme, the leakproofness of sealed bolt hole lower extreme has further been improved to the flange, and the area of contact of the bottom of bolt seal cover has been reduced to V type strip, avoids the bottom surface and the ball valve main part of second flange to be connected inadequately.
Further perfecting, the inner layers of the liquid inlet channel and the liquid outlet channel are ceramic coatings, and the ceramic coatings adopt a supersonic flame spraying process.
By adopting the technical scheme, the wear resistance of the surface layers of the liquid inlet channel and the liquid outlet channel is improved.
The utility model discloses profitable effect is: the mounting ring of the valve cover and the end cover body of the utility model are of a combined structure, and the mounting ring is easy to replace after being collided and damaged, thereby reducing the maintenance cost; the telescopic bolt sealing sleeve is arranged at the lower end of the bolt hole, so that the sealing effect is good, external liquid is not easy to enter the connecting surface of the valve cover and the valve body from the bolt hole and corrosion is not easy to cause, and oil is not leaked from the bolt hole between the sealing ring and the RTJ-shaped sealing ring after the sealing ring is failed; the bottom surface of the second flange is respectively provided with an inner sealing ring, an outer sealing ring and an RTJ type sealing ring, so that double sealing is realized, the sealing capability of the valve cover is improved, and the service life of the cover body is prolonged; be equipped with on the valve gap and explore the hole, can insert the probe and inspect whether the condition of leaking oil has in RTJ type sealing washer department, can change the sealing member in advance, workman's leak hunting is convenient.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic bottom view of the present invention;
fig. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic sectional view taken along line A-A in FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 1;
description of reference numerals: 1. the valve gap body, 11, first flange, 12, the second flange, 121, sealing ring mounting groove, 122, RTJ type groove, 123, convex arc surface, 2, the passageway, 21, inlet channel, 22, play liquid channel, 23, ball core installation department, 24, ceramic coating, 3, the sealing ring, 31, concave arc surface, 4, RTJ type sealing washer, 5, explore the hole, 51, the check valve, 511, the taper hole, 512, the ball, 513, reset spring, 6, the bolt hole, 61, first counter bore, 611, the annular burr, 62, the second counter bore, 7, the bolt seal cover, 71, the flange, 711, V type strip, 8, the spring.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
with reference to the accompanying drawings: the sealing type ball valve cover in the embodiment comprises a valve cover body 1, wherein a channel 2 is arranged on the valve cover body 1, the channel 2 comprises a liquid inlet channel 21 and a liquid outlet channel 22, a first flange 11 connected with a pipeline is arranged on the valve cover body 1 close to the liquid inlet channel 21, a second flange 12 is arranged on the valve cover body 1 close to the liquid outlet channel 22, a ball core mounting part 23 is arranged at the bottom of the liquid outlet channel 22, a sealing ring mounting groove 121 is arranged on the end surface of the second flange 12 close to one end of the liquid outlet channel 22, a sealing ring 3 is mounted on the sealing ring mounting groove 121, a ring of RTJ-shaped groove 122 is arranged on the outer edge end surface of the second flange 12, an RTJ-shaped sealing ring 4 is mounted on the RTJ-shaped groove 122, an exploring hole 5 for detecting oil leakage is arranged on the upper surface of the second flange 12, the lower end of the exploring hole 5 is, the upper end and the lower end of the bolt hole 6 are respectively provided with a first counter bore 61 and a second counter bore 62, the second counter bore 62 is provided with a telescopic bolt sealing sleeve 7, and a spring 8 is arranged between the bolt sealing sleeve 7 and the second counter bore 62. The exploration hole 5 is provided with a one-way valve 51, the one-way valve 51 is positioned between the exploration hole 5 and the RTJ type groove 122, the one-way valve 51 is composed of a taper hole 511, a ball 512 and a return spring 513, and oil leakage in the RTJ type groove 122 cannot flow out from the direct exploration hole 5.
By adopting the technical scheme, the mounting ring of the valve cover and the end cover body are of a combined structure, and the mounting ring is easy to replace after being collided and damaged, so that the maintenance cost is reduced; due to the disassembly and assembly of the bolt, a bolt sealing ring at the upper end of the bolt hole 6 is often damaged to cause rainwater leakage, the telescopic bolt sealing sleeve 7 is arranged at the lower end of the bolt hole 6, the sealing effect is good, external liquid is not easy to enter the connecting surface of the valve cover 1 and the valve body from the bolt hole 6 and is not easy to corrode, and oil is not leaked from the bolt hole 6 between the sealing ring 3 and the RTJ-type sealing ring 122 after the sealing ring 3 fails; the bottom surface of the second flange 12 is respectively provided with an inner sealing ring 3 and an outer sealing ring 4 which are RTJ-shaped sealing rings, so that double sealing is realized, the sealing capability of the valve cover 1 is improved, and the service life of the cover body is prolonged; be equipped with on the valve gap and explore hole 5, can insert the condition whether there is the oil leak in 4 departments of probe inspection RTJ type sealing washer, can change the sealing member in advance, the workman leak hunting is convenient.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims (6)

1. The utility model provides a canned type ball valve gap, includes valve gap body (1), is equipped with passageway (2) on valve gap body (1), and passageway (2) include inlet channel (21) and liquid outlet channel (22), are close to inlet channel (21) on valve gap body (1) and hold first flange (11) that are equipped with the pipe connection, are close to liquid outlet channel (22) on valve gap body (1) and hold and be equipped with second flange (12), liquid outlet channel (22) bottom is equipped with ball core installation department (23), characterized by: be equipped with sealing ring mounting groove (121) on the terminal surface that is close to liquid outlet channel (22) one end on second flange (12), be equipped with sealing ring (3) on sealing ring mounting groove (121), be equipped with RTJ type groove (122) of round on the outer edge terminal surface of second flange (12), install RTJ type sealing washer (4) on RTJ type groove (122), be equipped with one on second flange (12) the upper surface and be used for detecting exploring hole (5) of oil leak, explore hole (5) lower extreme intercommunication RTJ type groove (122), be equipped with bolt hole (6) on second flange (12), both ends are equipped with first counter bore (61) and second counter bore (62) respectively about bolt hole (6), are equipped with telescopic bolt seal cover (7) on second counter bore (62), are equipped with spring (8) between bolt seal cover (7) and second counter bore (62).
2. A hermetic ball valve cover as defined in claim 1, wherein: sealing ring mounting groove (121) tank bottom is equipped with convex arc surface (123) of round, sealing ring (3) upside is equipped with concave arc surface (31) of round, convex arc surface (123) and concave arc surface (31) laminating.
3. A hermetic ball valve cover as defined in claim 1, wherein: be equipped with check valve (51) on exploring hole (5), check valve (51) are located and are probed between hole (5) and RTJ type groove (122), and check valve (51) comprise taper hole (511), ball (512) and reset spring (513).
4. A hermetic ball valve cover as defined in claim 1, wherein: an annular convex line (611) is arranged on the sinking platform surface of the first counter bore (61).
5. A hermetic ball valve cover as defined in claim 1, wherein: the bolt sealing sleeve (7) is of a convex cylindrical structure, a flange (71) is arranged at the bottom of the bolt sealing sleeve (7), and two rings of convex V-shaped stripes (711) are arranged on the bottom surface of the flange (71).
6. A hermetic ball valve cover as defined in claim 1, wherein: the inner layers of the liquid inlet channel (21) and the liquid outlet channel (22) are ceramic coatings (24).
CN202020637925.8U 2020-04-24 2020-04-24 Sealed ball valve cover Active CN212155967U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020637925.8U CN212155967U (en) 2020-04-24 2020-04-24 Sealed ball valve cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020637925.8U CN212155967U (en) 2020-04-24 2020-04-24 Sealed ball valve cover

Publications (1)

Publication Number Publication Date
CN212155967U true CN212155967U (en) 2020-12-15

Family

ID=73723649

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020637925.8U Active CN212155967U (en) 2020-04-24 2020-04-24 Sealed ball valve cover

Country Status (1)

Country Link
CN (1) CN212155967U (en)

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