CN203560489U - Double eccentric rigidity seal ball valve - Google Patents

Double eccentric rigidity seal ball valve Download PDF

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Publication number
CN203560489U
CN203560489U CN201320727087.3U CN201320727087U CN203560489U CN 203560489 U CN203560489 U CN 203560489U CN 201320727087 U CN201320727087 U CN 201320727087U CN 203560489 U CN203560489 U CN 203560489U
Authority
CN
China
Prior art keywords
valve
ball
valve body
valve rod
rod
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
CN201320727087.3U
Other languages
Chinese (zh)
Inventor
胡进鑫
高伟
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.)
Shanxi Hao Yu Valve Science And Technology Ltd
Original Assignee
Shanxi Hao Yu Valve Science And Technology 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 Shanxi Hao Yu Valve Science And Technology Ltd filed Critical Shanxi Hao Yu Valve Science And Technology Ltd
Priority to CN201320727087.3U priority Critical patent/CN203560489U/en
Application granted granted Critical
Publication of CN203560489U publication Critical patent/CN203560489U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a double eccentric rigidity seal ball valve, and belongs to the technical field of valves. The double eccentric rigidity seal ball valve is simple and reasonable in structure and good in sealing performance and processes are simple. According to the technical scheme, a valve ball is arranged in a valve body and is supported inside the valve body through an upper valve rod and a lower valve rod, the lower valve rod is vertically fixed to the bottom of the valve body, one end of the upper valve rod is arranged on the valve ball in an insertion mode, the other end of the upper valve rod is connected with a worm-gear case arranged on the top of the valve body, the valve ball is arranged in an eccentric mode, and a sealing groove is formed in the contact face of the valve ball and the valve body. The double eccentric rigidity seal ball valve is good in sealing performance and can be widely applied to coal chemical industry ore conveying and aluminum oxide plant aluminum powder conveying pipelines, and manufacturing processes are simple.

Description

Two eccentric hard sealed ball valves
Technical field
The utility model relates to a kind of pair of eccentric hard sealed ball valve, belongs to valve technology field.
Background technique
Eccentric ball valve is a kind of more novel ball valve, and spheroid makes around valve body center line a kind of valve that rotation reaches unlatching, closes.In pipeline, be mainly used to make the flow direction that cuts off, distributes and change medium, be widely adopted in recent years.
At present, this product has the following disadvantages in manufacturing and using: spheroid three assembly volumes are large, and manufacture difficulty is large, cause manufacture cost high; And manufacturing process is complicated, and sealability is relatively poor; Upper sealing adopts filler mostly, and moment of torsion is larger.
Model utility content
The utility model overcomes the deficiency that prior art exists, and technical problem to be solved has been to provide a kind of simple and reasonable for structure, and technique is simple, two eccentric hard sealed ball valves of good seal performance.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: two eccentric hard sealed ball valves, comprise: valve body and valve ball, in described valve body, be provided with valve ball, described ball valve is supported on valve inner by upper valve rod and lower valve rod, and the lower valve rod of telling is vertically fixed on the bottom of valve body, upper valve rod one end is inserted on valve ball, the other end is connected with the turbine box that is arranged on valve body top, described valve ball eccentric setting, and the surface of contact of valve ball and valve body is provided with seal groove.
Between described upper valve rod and valve body, be provided with sealing seat, in described sealing seat, be provided with graphite packing, on sealing seat, be stamped gland.
The beneficial effect that the utility model compared with prior art had is: the utility model structural design is simple, rationally, manufactures simple and easyly, and cost is low; And valve ball adopts eccentric setting, valve ball and valve body are realized hard sealing, and the joint of valve ball and each parts all adopts metallic material, can effectively realize the control requirement to high temperature, high pressure, high parameter performance fluid, reach metal sealing zero leakage, open and close free and relaxed, practical and convenient; The utility model volume is little lightweight simultaneously, long service life.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
In figure: 1 is valve body, 2 is valve ball, and 3 is upper valve rod, and 4 is lower valve rod, and 5 is turbine box, and 6 is seal groove, and 7 is sealing seat, and 8 is graphite packing, and 9 is gland.
Embodiment
As shown in Figure 1, two eccentric hard sealed ball valves, comprise: valve body 1 and valve ball 2, in described valve body 1, be provided with valve ball 2, described ball valve 2 is supported on valve body 1 inside by upper valve rod 3 and lower valve rod 4, and the lower valve rod of telling 4 is vertically fixed on the bottom of valve body 1, upper valve rod 3 one end are inserted on valve ball 2, the other end is connected with the turbine box 5 that is arranged on valve body 1 top, described valve ball 2 eccentric settings, and valve ball 2 is provided with seal groove 6 with the surface of contact of valve body 1.
Between described upper valve rod 3 and valve body, be provided with sealing seat 7, in described sealing seat 7, be provided with graphite packing 8, on sealing seat 7, be stamped gland 9.
In the utility model, valve body 1 connects and composes for left and right valve body, valve ball 2 by upper valve rod 3 and lower valve rod 4 flying shores in valve body 1 inside, valve ball 2 and valve body 1 eccentric setting, the center of valve ball 2 does not overlap with the center line of upper valve rod 3 and lower valve rod 4, valve ball 2 is contacted with valve body 1 and form hard sealing, valve ball 2 arranges seal groove 6 with the surface of contact of valve body 1 simultaneously, and valve ball 2 is rotated along seal groove 6, open and close easily laborsavingly, sealability is reliable.
Upper valve rod 3 is arranged on valve body 1 by sealing seat 7, in sealing seat 7, be provided with graphite packing 8, and compress by gland 5, between sealing seat 7 and valve body 1, adopt built-up welding sealing strip to form static seal simultaneously, guarantee the sealability of upper valve rod 3, between lower valve rod 4 and valve body 1, adopt layer to form static seal, guarantee the sealability of lower valve rod 4.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above; but the utility model is not limited to above-described embodiment; in the ken possessing those of ordinary skills; various variations can also be under the prerequisite that does not depart from the utility model aim, made obtaining, also protection domain of the present utility model should be considered as.

Claims (2)

1. pair eccentric hard sealed ball valve, comprise: valve body (1) and valve ball (2), in described valve body (1), be provided with valve ball (2), it is characterized in that: described ball valve (2) is supported on valve body (1) inside by upper valve rod (3) and lower valve rod (4), described lower valve rod (4) is vertically fixed on the bottom of valve body (1), upper valve rod (3) one end is inserted on valve ball (2), the other end is connected with the turbine box (5) that is arranged on valve body (1) top, described valve ball (2) eccentric setting, valve ball (2) is provided with seal groove (6) with the surface of contact of valve body (1).
2. according to claim 1 pair of eccentric hard sealed ball valve, is characterized in that: between described upper valve rod (3) and valve body, be provided with sealing seat (7), be provided with graphite packing (8) in described sealing seat (7), be stamped gland (9) on sealing seat (7).
CN201320727087.3U 2013-11-18 2013-11-18 Double eccentric rigidity seal ball valve Expired - Fee Related CN203560489U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320727087.3U CN203560489U (en) 2013-11-18 2013-11-18 Double eccentric rigidity seal ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320727087.3U CN203560489U (en) 2013-11-18 2013-11-18 Double eccentric rigidity seal ball valve

Publications (1)

Publication Number Publication Date
CN203560489U true CN203560489U (en) 2014-04-23

Family

ID=50510210

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320727087.3U Expired - Fee Related CN203560489U (en) 2013-11-18 2013-11-18 Double eccentric rigidity seal ball valve

Country Status (1)

Country Link
CN (1) CN203560489U (en)

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Legal Events

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: 20140423

Termination date: 20201118