CN205013735U - Wear -resistant eccentric half -ball valve - Google Patents

Wear -resistant eccentric half -ball valve Download PDF

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Publication number
CN205013735U
CN205013735U CN201520642983.9U CN201520642983U CN205013735U CN 205013735 U CN205013735 U CN 205013735U CN 201520642983 U CN201520642983 U CN 201520642983U CN 205013735 U CN205013735 U CN 205013735U
Authority
CN
China
Prior art keywords
valve
wear
hole site
valve rod
eccentric
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
CN201520642983.9U
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Chinese (zh)
Inventor
余金立
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.)
Guogong Valve Co Ltd
Original Assignee
Guogong 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 Guogong Valve Co Ltd filed Critical Guogong Valve Co Ltd
Priority to CN201520642983.9U priority Critical patent/CN205013735U/en
Application granted granted Critical
Publication of CN205013735U publication Critical patent/CN205013735U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a wear -resistant eccentric half -ball valve, includes the valve body, the upper portion of valve body and lower part are provided with respectively installs the hole site and install the hole site down installs the hole site internal rotation on, and is provided with the upper valve rod, time installs the hole site internal rotation to be provided with the lower valve rod, is provided with half eccentric ball valve element in the valve body, half eccentric ball valve element's upper portion and lower part respectively with upper valve rod and lower valve rod are connected as an organic wholely, and the right side of valve body is provided with the installation hole site, installs the disk seat clamping ring of disk seat and fixed disk seat in the installation hole site, is equipped with the mounting groove on the half eccentric ball valve element, is equipped with and installs the abrasion -resistant alloy piece of in a wretched state adaptation in the mounting groove, are equipped with in the mounting groove to support with the abrasion -resistant alloy piece and press the elastomeric element who sets up, the interior terminal surface of disk seat is provided with annular sealing member, the front cover of sealing member and the front cover of abrasion -resistant alloy piece cooperation and sealed, be equipped with the compression spring who pushes the sealing member to the abrasion -resistant alloy piece on the disk seat, the utility model provides a wearability is good, the leakproofness is good, long service life's eccentric hemisphere valve.

Description

A kind of wear-resistant eccentric half-ball valve
Technical field
The utility model relates to valve technology field, particularly relates to a kind of wear-resistant eccentric half-ball valve.
Background technique
The closure member of eccentric half-ball valve is a spheroid, and spheroid reaches unlatching around valve body center line do rotation, closes.Existing eccentric ball valve is formed primarily of valve body, valve seat, eccentric semi-spherical spool, valve core rod and handle, eccentric semi-spherical spool is made up of valve core and rubber sealant, the overall sulfuration of rubber sealant, on the hemisphere of valve core, valve seat is installed seal ring and is coordinated with eccentric semi-spherical spool; The eccentric ball valve of said structure only relies on rubber seal natural resiliency on eccentric semi-spherical spool and valve seat to realize sealing, and there is the insecure defect of sealing, there is the short shortcoming in working life that wears no resistance simultaneously.
Model utility content
The utility model, for solving deficiency of the prior art, provides that a kind of wear resistance is good, the eccentric half-ball valve of good airproof performance, long service life.
In order to solve the problem, the utility model takes following technological scheme:
A kind of wear-resistant eccentric half-ball valve, comprise valve body, the upper and lower of valve body is respectively arranged with mounting hole site and lower mounting hole site, rotate in described upper mounting hole site and be provided with upper valve rod, rotate in lower mounting hole site and be provided with lower valve rod, eccentric semi-spherical spool is provided with in valve body, the upper and lower of eccentric semi-spherical spool connects as one with described upper valve rod and lower valve rod respectively, the right side of described valve body is provided with mounting hole site, the valve seat pressure ring of valve seat and fixed valve base is installed in mounting hole site, described eccentric semi-spherical spool is provided with mounting groove, the wear-resisting alloy block with mounting groove adaptation is provided with in described mounting groove, the elastic member compressing setting with wear-resisting alloy block is provided with in described mounting groove, the interior edge face of described valve seat is provided with the Sealing of ring-type, and the described front cover of Sealing and the front cover of wear-resisting alloy block coordinate and seal, described valve seat is provided with Compress Spring Sealing being pushed to wear-resisting alloy block.
Be set to further: described wear-resisting alloy block is that high-chromium alloy cast steel is cast.
Be set to further: described elastic member is that rubber is made.
Be set to further: the middle part of described upper valve rod is provided with step, the upper valve rod on the upside of step is set with thrust guard ring, and inner side and the upper valve rod wall of thrust guard ring are close to, and the outside of thrust guard ring and the inwall of upper mounting hole site are close to.
Be set to further: the upper valve rod on the downside of described thrust guard ring is set with self lubrication bearing, self lubrication bearing outer wall and upper mounting hole site inwall are adjacent to and are slidably matched, the upper valve rod wall on the upside of thrust guard ring and be filled with flexible graphite packing between upper mounting hole site inwall; Upper valve rod on the upside of flexible graphite packing is set with Gland, and Gland is bolted on valve body.
The beneficial effects of the utility model are:
In the utility model, the front cover of Sealing and the front cover of wear-resisting alloy block coordinate and seal and can play sealing and wear-resisting effect, valve seat is provided with Compress Spring Sealing being pushed to wear-resisting alloy block, Sealing and wear-resisting alloy block can be made better to closely cooperate, and elastic member when can make wear-resisting alloy block and Sealing fitted seal that arranges of wear-resisting alloy block and elastic member has certain springback capacity, when after wear-resisting alloy block and sealing part abrasion, elastic member can push wear-resisting alloy block to Sealing, still can play reliable seal action, valve seat is adjustable in addition maybe can change, extend working life, can change it after wear-resisting alloy block and Sealing lose sealing effect, unnecessary whole valve to be changed, this reduces user cost, the guard ring of thrust simultaneously, self lubrication bearing, and the design of flexible graphite packing makes the rotation of upper valve rod light, the good sealing effect between upper valve rod and valve body, long service life.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A portion enlarged view in Fig. 1.
1-valve body in figure; 2-upper valve rod; 3-lower valve rod; 4-eccentric semi-spherical spool; 5-valve seat; 6-valve seat pressure ring; 7-seal ring; 8-mounting groove; 9-wear-resisting alloy block; 10-elastic member; 11-Sealing; 12-Compress Spring; 13-blind hole; 14-thrust guard ring; 15-self lubrication bearing; 16-flexible graphite packing; 17-Gland.
Embodiment
As Fig. 1, shown in Fig. 2, a kind of wear-resistant eccentric half-ball valve, comprise valve body 1, the upper and lower of valve body 1 is respectively arranged with mounting hole site and lower mounting hole site, rotate in described upper mounting hole site and be provided with upper valve rod 2, rotate in lower mounting hole site and be provided with lower valve rod 3, eccentric semi-spherical spool 4 is provided with in valve body 1, the upper and lower of eccentric semi-spherical spool 4 connects as one with described upper valve rod 2 and lower valve rod 3 respectively, the right side of described valve body 1 is provided with mounting hole site, the valve seat pressure ring 6 of valve seat 5 and fixed valve base 5 is installed in mounting hole site, the seal ring 7 that outer side wall ring is established afterwards and the madial wall of mounting hole site compresses of described valve seat 5, the eccentric semi-spherical spool 4 described in sealing effect that can improve product is like this provided with mounting groove 8, in the present embodiment, mounting groove 8 is located on eccentric semi-spherical spool 4, the wear-resisting alloy block 9 with mounting groove 8 adaptation is provided with in described mounting groove 8, the elastic member 10 compressing setting with wear-resisting alloy block 9 is provided with in described mounting groove 8, it is made that elastic member 10 described in the present embodiment is preferably rubber, the interior edge face of described valve seat 5 is provided with the Sealing 11 of ring-type, the front cover of described Sealing 11 and the front cover of wear-resisting alloy block 9 coordinate and seal, described Sealing 11 coordinates front cover to be that interior concave spherical surface is arranged with the contact of wear-resisting alloy block 9, can play sealing and wear-resisting effect like this, described valve seat 5 is provided with the Compress Spring 12 Sealing 11 being pushed to wear-resisting alloy block 9, wherein valve seat 5 is provided with axial blind hole 13, Compress Spring 12 location and installation is in blind hole 13, and Compress Spring 12 one end is pressed on valve seat 5, and the other end is pressed on Sealing 11, when Sealing 11 and wear-resisting alloy block 9 are after appearance wearing and tearing, elastic member 10 and Compress Spring 12 can play a thrust to wear-resisting alloy block 9 and Sealing 11 respectively, Sealing 11 and wear-resisting alloy block 9 are better closely cooperated, when elastic member 10 and Compress Spring 12 after a long time use lost its bounce time, user also can go to change elastic member 10 and Compress Spring 12, improve the working life of product, reduce user cost, simultaneously when Sealing 11 and wear-resisting alloy block 9 are when occurring that damage loses sealing effect, can change Sealing 11 and wear-resisting alloy block 9, do not need to change whole semispherical valve, reduce user cost.
Be set to further: described wear-resisting alloy block 9 is cast for high-chromium alloy cast steel, can increase the rub proofness of wear-resisting alloy block 9 like this, keep wear-resisting alloy block 9 and the sealing of Sealing 11, improve working life.
Be set to further: the middle part of described upper valve rod 2 is provided with step, the upper valve rod 2 on the upside of step is set with thrust guard ring 14, and inner side and upper valve rod 2 wall of thrust guard ring 14 are close to, and the outside of thrust guard ring 14 and the inwall of upper mounting hole site are close to.
Be set to further: the upper valve rod 2 on the downside of described thrust guard ring 14 is set with self lubrication bearing 15, self lubrication bearing 15 outer wall and upper mounting hole site inwall are adjacent to and are slidably matched, upper valve rod 2 wall on the upside of thrust guard ring 14 and be filled with flexible graphite packing 16 between upper mounting hole site inwall; Upper valve rod 2 on the upside of flexible graphite packing 16 is set with Gland 17, and Gland 17 is bolted on valve body 1, and such is arranged so that the rotation of upper valve rod 2 is light, the good sealing effect between upper valve rod 2 and valve body 1, long service life.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improvement of above-mentioned hypothesis and modification also should be considered as protection domain of the present utility model.

Claims (5)

1. a wear-resistant eccentric half-ball valve, comprise valve body, the upper and lower of valve body is respectively arranged with mounting hole site and lower mounting hole site, rotate in described upper mounting hole site and be provided with upper valve rod, rotate in lower mounting hole site and be provided with lower valve rod, eccentric semi-spherical spool is provided with in valve body, the upper and lower of eccentric semi-spherical spool connects as one with described upper valve rod and lower valve rod respectively, the right side of described valve body is provided with mounting hole site, the valve seat pressure ring of valve seat and fixed valve base is installed in mounting hole site, it is characterized in that: described eccentric semi-spherical spool is provided with mounting groove, the wear-resisting alloy block with mounting groove adaptation is provided with in described mounting groove, the elastic member compressing setting with wear-resisting alloy block is provided with in described mounting groove, the interior edge face of described valve seat is provided with the Sealing of ring-type, and the described front cover of Sealing and the front cover of wear-resisting alloy block coordinate and seal, described valve seat is provided with Compress Spring Sealing being pushed to wear-resisting alloy block.
2. a kind of wear-resistant eccentric half-ball valve according to claim 1, is characterized in that: described wear-resisting alloy block is that high-chromium alloy cast steel is cast.
3. a kind of wear-resistant eccentric half-ball valve according to claim 1, is characterized in that: described elastic member is that rubber is made.
4. a kind of wear-resistant eccentric half-ball valve according to claim 1, it is characterized in that: the middle part of described upper valve rod is provided with step, upper valve rod on the upside of step is set with thrust guard ring, inner side and the upper valve rod wall of thrust guard ring are close to, and the outside of thrust guard ring and the inwall of upper mounting hole site are close to.
5. a kind of wear-resistant eccentric half-ball valve according to claim 4, it is characterized in that: the upper valve rod on the downside of described thrust guard ring is set with self lubrication bearing, self lubrication bearing outer wall and upper mounting hole site inwall are adjacent to and are slidably matched, the upper valve rod wall on the upside of thrust guard ring and be filled with flexible graphite packing between upper mounting hole site inwall; Upper valve rod on the upside of flexible graphite packing is set with Gland, and Gland is bolted on valve body.
CN201520642983.9U 2015-08-19 2015-08-19 Wear -resistant eccentric half -ball valve Expired - Fee Related CN205013735U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520642983.9U CN205013735U (en) 2015-08-19 2015-08-19 Wear -resistant eccentric half -ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520642983.9U CN205013735U (en) 2015-08-19 2015-08-19 Wear -resistant eccentric half -ball valve

Publications (1)

Publication Number Publication Date
CN205013735U true CN205013735U (en) 2016-02-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520642983.9U Expired - Fee Related CN205013735U (en) 2015-08-19 2015-08-19 Wear -resistant eccentric half -ball valve

Country Status (1)

Country Link
CN (1) CN205013735U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110375088A (en) * 2019-08-17 2019-10-25 浙江中昊阀门有限公司 A kind of wear-resisting pneumatic ball valve of hydraulic packing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110375088A (en) * 2019-08-17 2019-10-25 浙江中昊阀门有限公司 A kind of wear-resisting pneumatic ball valve of hydraulic packing

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

Granted publication date: 20160203

Termination date: 20190819

CF01 Termination of patent right due to non-payment of annual fee