CN205298626U - High -efficient sealed ball valve with pressure transmission function - Google Patents

High -efficient sealed ball valve with pressure transmission function Download PDF

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Publication number
CN205298626U
CN205298626U CN201521066557.1U CN201521066557U CN205298626U CN 205298626 U CN205298626 U CN 205298626U CN 201521066557 U CN201521066557 U CN 201521066557U CN 205298626 U CN205298626 U CN 205298626U
Authority
CN
China
Prior art keywords
valve
valve rod
valve body
sealing ring
pressure transmission
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.)
Expired - Fee Related
Application number
CN201521066557.1U
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Chinese (zh)
Inventor
洪春龙
洪昆生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Niuwei Valve Co Ltd
Original Assignee
Niuwei Valve Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Niuwei Valve Co Ltd filed Critical Niuwei Valve Co Ltd
Priority to CN201521066557.1U priority Critical patent/CN205298626U/en
Application granted granted Critical
Publication of CN205298626U publication Critical patent/CN205298626U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

High -efficient sealed ball valve with pressure transmission function, it relates to valve technical field, the valve gap is installed to the both sides of valve body, and the valve gap outer end is connected with the takeover, and the center of valve body is provided with the spheroid, and the lower extreme mesopore of valve body is connected with the lower valve rod cover, and lower valve rod cover endotheca is equipped with the lower valve rod, and the bottom of lower valve rod is provided with the lower valve rod lid, the upper portion of upper valve rod be connected with the spheroid, the cover is equipped with disk seat O type circle between disk seat and the valve gap, the packing box of valve body in be provided with to pack and fill up and pack, the upper end of valve body be provided with gland, gland pass through soket head cap screw with the valve body and be connected, the last X type sealing washer arranged about being provided with of the top of filler pad and X type sealing washer down, and go up and be provided with pressure transmission between X type sealing washer and the lower X type sealing washer and encircle. It is sealed reliable, save material, the cost is reduced, life improves greatly.

Description

There is the efficient sealed ball valve of pressure transmission function
Technical field
This utility model relates to valve technology field, is specifically related to the efficient sealed ball valve with pressure transmission function.
Background technology
Along with the development of national economy, particularly major equipment manufacturing industry, commercial plant constantly develops to high parameter, maximization direction. Meanwhile, valve is proposed rigors: such as high temperature, High Pressure Difference, wear-resistant, resistance to erosion, heat resistanceheat resistant circulation and zero leakage etc., this has effectively promoted the development of anti-friction valve ball valve. The harsh operating modes such as gas-solid (such as catalyst), liquid-solid (such as water-coal-slurry) and multiphase flow need to adopt substantial amounts of wear resistance ball valve.
Ball valve drives spheroid by valve rod, and around the valve that ball valve axis rotates. Also can be used for the flow quantity control of fluid, wherein firmly seal, between O type ball valve its O type core and metal seat valve of pile-up welding hard alloy, there is very strong shearing force, be particularly well-suited to the medium of fibre-bearing, small solid material etc. Along with updating of developing rapidly of science and technology, production technology and product structure, ball valve has developed rapidly becomes a kind of main valve class. The common hard seal ball valve that currently there are, it is made up of valve body, two back-pressure balance valve seats of valve gap and metal ball body, this valve is two way seal, but can only meet��2.0MPa closes the requirement of pressure reduction, spheroid and valve seat material are 304 built-up welding Si Taili hard alloys, spheroid and valve base surface hardness HRC40-44, surface roughness is 0.4, valve shaft material 304, single guiding mechanism, abrasion performance, resistance to erosion ability are relatively low, are not suitable for the occasion of frequent movement.
In China, ball valve is widely used in industries such as petroleum refining, long-distance transport pipes, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, iron and steel, occupies very important status in national economy. It has the action of 90-degree rotation, and faucet body is spheroid, has manhole or passage by its axis.
The sealing property of valve rod directly affects quality and the service life of valve, and the valve stem seal effect of the ball valve of prior art is bad.
Utility model content
The purpose of this utility model is in that the defect for prior art and deficiency, it is provided that a kind of simple in construction, the efficient sealed ball valve with pressure transmission function reasonable in design, easy to use.
For achieving the above object, the technical solution adopted in the utility model is: it comprises adapter, valve gap, valve body, spheroid, lower valve rod set, upper valve rod, Packing seat, stuffing-box, lower valve rod lid, valve seat O, gland, soket head cap screw, upper X-shaped sealing ring, lower X-shaped sealing ring, pressure transmission ring; The both sides of described valve body are provided with valve gap, and valve gap outer end is connected to adapter, valve body be provided centrally with spheroid, the lower end mesopore of valve body is connected to lower valve rod set, lower valve rod set in be arranged with lower valve rod, the bottom of lower valve rod is provided with lower valve rod lid; The top of described upper valve rod is connected with spheroid, is arranged with valve seat O between valve seat and valve gap; Packing seat and filler it is provided with in the stuffing-box of described valve body; The upper end of described valve body is provided with gland; Described gland is connected by soket head cap screw with valve body; The upper X-shaped sealing ring being provided above being arranged above and below of described Packing seat and lower X-shaped sealing ring, and it is provided with pressure transmission ring between upper X-shaped sealing ring and lower X-shaped sealing ring.
As preferably, the maximum gauge of described stuffing-box is 300 ~ 500mm.
As preferably, described Packing seat is V-type Packing seat.
As preferably, the stretch breaking strength of described upper X-shaped sealing ring and lower X-shaped sealing ring is 35 ~ 45MPa.
Operation principle of the present utility model is: pressure transmission ring changes X-shaped sealing ring and the stress of lower X-shaped sealing ring so that it is stress radial deformation, reaches sealing property; X-shaped sealing ring is installed when putting in place and tighten soket head cap screw, gland moves downward compaction pressure transmission ring, by the extruding of Packing seat, make lip in X-shaped sealing ring, outer lip be adjacent to the sealing surface in axle and hole simultaneously, ensure to reliably seal, its main seal performance depends on the thrust tightening soket head cap screw when assembling, and less with the relation of axle, hole dimension precision.
After adopting said structure, what this utility model produced has the beneficial effect that the efficient sealed ball valve with pressure transmission function described in the utility model, seal reliable, save material, reduce cost, service life is greatly improved, and this utility model has simple in construction, arranges the advantages such as reasonable, cost of manufacture is low.
Accompanying drawing explanation
Fig. 1 is this utility model structure chart;
Fig. 2 is the enlarged drawing in A portion in Fig. 1;
Fig. 3 is the combination assumption diagram of X-shaped sealing ring on this utility model, lower X-shaped sealing ring, pressure transmission ring.
Description of reference numerals:
1, adapter; 2, valve gap; 3, valve body; 4, spheroid; 5, lower valve rod set; 6, upper valve rod; 7, Packing seat; 8, stuffing-box; 9, lower valve rod lid; 10, valve seat O; 11, gland; 12, soket head cap screw; 13, upper X-shaped sealing ring; 14, lower X-shaped sealing ring; 15, pressure transmission ring.
Detailed description of the invention
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Referring to such as shown in Fig. 1 Fig. 3, this detailed description of the invention adopts the following technical scheme that it comprises adapter 1, valve gap 2, valve body 3, spheroid 4, lower valve rod set 5, upper valve rod 6, Packing seat 7, stuffing-box 8, lower valve rod lid 9, valve seat O 10, gland 11, soket head cap screw 12, upper X-shaped sealing ring 13, lower X-shaped sealing ring 14, pressure transmission ring 15;The both sides of described valve body 3 are provided with valve gap 2, and valve gap 2 outer end is connected to adapter 1, valve body 3 be provided centrally with spheroid 4, the lower end mesopore of valve body 3 be connected to lower valve rod set 5, lower valve rod set 5 in be arranged with lower valve rod, the bottom of lower valve rod is provided with lower valve rod lid 9; The top of described upper valve rod 6 is connected with spheroid 4, is arranged with valve seat O 10 between valve seat and valve gap 2; It is provided with Packing seat 7 and filler in the stuffing-box 8 of described valve body 3; The upper end of described valve body 3 is provided with gland 11; Described gland 11 is connected by soket head cap screw 12 with valve body 3; The upper X-shaped sealing ring 13 being provided above being arranged above and below of described Packing seat 7 and lower X-shaped sealing ring 14, and it is provided with pressure transmission ring 15 between upper X-shaped sealing ring 13 and lower X-shaped sealing ring 14.
As preferably, the maximum gauge of described stuffing-box 8 is 300 ~ 500mm.
As preferably, described Packing seat 7 is V-type Packing seat.
As preferably, the stretch breaking strength of described upper X-shaped sealing ring 13 and lower X-shaped sealing ring 14 is 35 ~ 45MPa.
The operation principle of this detailed description of the invention is: pressure transmission ring 15 changes X-shaped sealing ring 13 and the stress of lower X-shaped sealing ring 14 so that it is stress radial deformation, reaches sealing property; Upper X-shaped sealing ring 13, pressure transmission ring 15, lower X-shaped sealing ring 14 are installed when putting in place and tighten soket head cap screw 12, gland 11 moves downward compaction pressure transmission ring 15, extruding by Packing seat 7, make lip in X-shaped sealing ring, outer lip be adjacent to the sealing surface in axle and hole simultaneously, ensure to reliably seal, its main seal performance depends on the thrust tightening soket head cap screw 12 when assembling, and less with the relation of axle, hole dimension precision.
After adopting said structure, the efficient sealed ball valve with pressure transmission function having the beneficial effect that described in this detailed description of the invention that this detailed description of the invention produces, seal reliable, save material, reduce cost, service life is greatly improved, and this detailed description of the invention has simple in construction, arranges the advantages such as reasonable, cost of manufacture is low.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described. Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model. This utility model claims scope and is defined by appending claims and equivalent thereof.

Claims (4)

1. having the efficient sealed ball valve of pressure transmission function, it comprises adapter, valve gap, valve body, spheroid, lower valve rod set, upper valve rod, Packing seat, stuffing-box, lower valve rod lid, valve seat O, gland, soket head cap screw; The both sides of described valve body are provided with valve gap, and valve gap outer end is connected to adapter, valve body be provided centrally with spheroid, the lower end mesopore of valve body is connected to lower valve rod set, lower valve rod set in be arranged with lower valve rod, the bottom of lower valve rod is provided with lower valve rod lid; The top of described upper valve rod is connected with spheroid, is arranged with valve seat O between valve seat and valve gap; Packing seat and filler it is provided with in the stuffing-box of described valve body; The upper end of described valve body is provided with gland; Described gland is connected by soket head cap screw with valve body; It is characterized in that it also comprises X-shaped sealing ring, lower X-shaped sealing ring, pressure transmission ring;The upper X-shaped sealing ring being provided above being arranged above and below of described Packing seat and lower X-shaped sealing ring, and it is provided with pressure transmission ring between upper X-shaped sealing ring and lower X-shaped sealing ring.
2. the efficient sealed ball valve with pressure transmission function according to claim 1, it is characterised in that: the maximum gauge of described stuffing-box is 300 ~ 500mm.
3. the efficient sealed ball valve with pressure transmission function according to claim 1, it is characterised in that: described Packing seat is V-type Packing seat.
4. the efficient sealed ball valve with pressure transmission function according to claim 1, it is characterised in that: the stretch breaking strength of described upper X-shaped sealing ring and lower X-shaped sealing ring is 35 ~ 45MPa.
CN201521066557.1U 2015-12-18 2015-12-18 High -efficient sealed ball valve with pressure transmission function Expired - Fee Related CN205298626U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521066557.1U CN205298626U (en) 2015-12-18 2015-12-18 High -efficient sealed ball valve with pressure transmission function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521066557.1U CN205298626U (en) 2015-12-18 2015-12-18 High -efficient sealed ball valve with pressure transmission function

Publications (1)

Publication Number Publication Date
CN205298626U true CN205298626U (en) 2016-06-08

Family

ID=56471755

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521066557.1U Expired - Fee Related CN205298626U (en) 2015-12-18 2015-12-18 High -efficient sealed ball valve with pressure transmission function

Country Status (1)

Country Link
CN (1) CN205298626U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105465400A (en) * 2015-12-25 2016-04-06 江苏信息职业技术学院 Efficient sealing ball valve
CN106895172A (en) * 2015-12-18 2017-06-27 纽威阀门有限公司 New pressure transmitting type ball valve
CN110375100A (en) * 2019-08-23 2019-10-25 开立基业(北京)阀门制造有限公司 Flow control valve and electric flow control valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106895172A (en) * 2015-12-18 2017-06-27 纽威阀门有限公司 New pressure transmitting type ball valve
CN105465400A (en) * 2015-12-25 2016-04-06 江苏信息职业技术学院 Efficient sealing ball valve
CN110375100A (en) * 2019-08-23 2019-10-25 开立基业(北京)阀门制造有限公司 Flow control valve and electric flow control valve

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160608

Termination date: 20171218