CN201588966U - Ultralow temperature ball valve - Google Patents

Ultralow temperature ball valve Download PDF

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Publication number
CN201588966U
CN201588966U CN2009202825319U CN200920282531U CN201588966U CN 201588966 U CN201588966 U CN 201588966U CN 2009202825319 U CN2009202825319 U CN 2009202825319U CN 200920282531 U CN200920282531 U CN 200920282531U CN 201588966 U CN201588966 U CN 201588966U
Authority
CN
China
Prior art keywords
valve
ball
spheroid
handle
low temperature
Prior art date
Application number
CN2009202825319U
Other languages
Chinese (zh)
Inventor
张国明
Original Assignee
昆山维萨阀门有限公司
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 昆山维萨阀门有限公司 filed Critical 昆山维萨阀门有限公司
Priority to CN2009202825319U priority Critical patent/CN201588966U/en
Application granted granted Critical
Publication of CN201588966U publication Critical patent/CN201588966U/en

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Abstract

The utility model discloses an ultralow temperature ball valve which comprises a valve body, a valve cover, a valve seat, a ball, a valve rod, a three-way handle and a handle steel tube, wherein the ball is positioned in the middle of the valve body, the valve cover is positioned at two sides of the valve body, the valve seat is arranged between the valve body and the ball, the lower part of the valve rod penetrates through the valve body and is connected with the ball, and the upper part thereof is connected with the three-way handle connected with the handle steel tube, the lower part of the ball is also connected with a pivot, and the ultralow temperature ball valve is characterized in that the valve rod is externally provided with a packing gland, the lower end of which is connected with the valve body simultaneously. Valve rod packing is placed between the packing gland and the valve rod, and the upper part of the valve rod packing is sequentially provided with a compression ring and a disc spring. The ultralow temperature ball valve has novel structural design, utilizes sealing material which has good performances, realizes zero leakage between the internal part of the ball valve and the outside by having the characteristics of good stability, long service life and the like, and is mainly applied to ultralow temperature environment with working temperature between minus 5 DEG C and minus 196 DEG C.

Description

Ultra-low temperature ball valve
Technical field
The utility model relates to a kind of valve, especially relate to can anti-ultralow temperature ball valve, belong to mechanical manufacturing field.
Background technique
We know, ball valve is widely used in every field such as oil, chemical industry, iron and steel, metallurgy and electric power, between the valve seat and valve gap of existing ball valve, generally seal between Gland and the valve rod with rubber o-ring or graphite packing, rubber o-ring can not high temperature resistant or ultralow temperature, the high low temperature though graphite can make a noise but be unable to undergo switch, switch number of times more than, the time is once long leakage.As elastic sealing elements, in the valve manufacturing industry, have a wide range of applications, but existing rubber o-ring can not be used subzero 196 ℃.
The model utility content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide the ultra-low temperature ball valve of a kind of long service life, good stability, good seal performance, anti-ultralow temperature.
The utility model is achieved through the following technical solutions:
A kind of ultra-low temperature ball valve, comprise valve body, valve gap, valve seat, spheroid, valve rod, threeway handle and handle steel pipe, wherein, spheroid is positioned in the middle of the valve body, valve gap is positioned at the valve body both sides, between valve gap and spheroid, be provided with valve seat, above-mentioned stem lower portion is passed valve body and is connected with spheroid, and top is connected with the threeway handle, is connected with the handle steel pipe on the threeway handle, and the bottom of spheroid also is connected with pivot, it is characterized in that the outer installment of above-mentioned valve rod has Gland, the lower end of Gland is connected with valve body simultaneously, and between Gland and valve rod, also being provided with stem packing, the top of stem packing is disposed with pressure ring and dish spring.
Also be provided with O type circle on the above-mentioned pressure ring, O type circle contacts with valve rod.
Further, also be provided with the seal ring of anti-subzero 196 ℃ of low temperature between above-mentioned valve seat and the spheroid.
Further, be provided with the wiper seal circle of anti-subzero 196 ℃ of low temperature between above-mentioned valve seat and the valve gap.
In addition, above-mentioned valve rod middle part also is provided with draining board.
The beneficial effects of the utility model are: the utility model structural design novelty, used seal member material properties are good, by having characteristics such as good stability, long service life, accomplished the inner and extraneous zero leakage of ball valve, the utility model mainly is used in operating temperature and arrives subzero 196 ℃ ultra-low temperature surroundings at subzero 50 ℃.
Description of drawings
Fig. 1 is the utility model one embodiment's a structural representation.
Main reference character implication is among the figure:
1, valve gap 2 back-up rings 3, valve seat 4, spheroid 5, pivot
6, valve body 7, seal ring 8, seating spring 9, wiper seal circle
10, valve rod 11, Gland 12, draining board 13, stem packing
14, pressure ring 15, dish spring 16, threeway handle 17, handle steel pipe
Embodiment
Below in conjunction with accompanying drawing, describe embodiment of the present utility model in detail:
Fig. 1 is the utility model one embodiment's a structural representation.
As shown in Figure 1: ultra-low temperature ball valve, comprise valve body 6, valve gap 1, valve seat 3, spheroid 4, valve rod 10, threeway handle 16 and handle steel pipe 17, wherein, spheroid 4 is positioned in the middle of the valve body 6, valve gap 1 is positioned at valve body 6 both sides, be bolted to connection with valve body 6, between valve gap 1 and spheroid 4, be provided with valve seat 3, be provided with back-up ring 2 between valve gap 1 and the valve seat 3, the wiper seal circle 9 of seating spring 8 and anti-subzero 196 ℃ of low temperature, wherein, seating spring 8 is between back-up ring 2 and valve gap 1, wiper seal circle 9 is then between back-up ring 2 and valve seat 3, between valve seat 3 and spheroid 4, also be provided with the seal ring 7 of anti-subzero 196 ℃ of low temperature, realized dual sealing, and the bottom of spheroid 4 also be connected with pivot 5.
In addition, above-mentioned valve rod 10 bottoms are passed valve body 6 and are connected with spheroid 4, top is connected with threeway handle 16, be connected with handle steel pipe 17 on the threeway handle 16, the outer installment of valve rod 10 has Gland 11, the lower end of Gland 11 is connected with valve body 4 simultaneously, and between Gland 11 and valve rod 10, also be provided with stem packing 13, the top of stem packing 13 is disposed with pressure ring 14 and dish spring 15, dish spring 15 is positioned at the top of pressure ring 14, it is used to compress pressure ring 14, in addition, also is provided with draining board 12 at the middle part of valve rod 10.
In the time will closing ball valve, pull handle steel pipe 17, it drives valve rod 10 by threeway handle 16 and rotates, valve rod 10 drives spheroid 4 and rotates, realize the opening and closing of ball valve, in this process, owing to adopted the wiper seal circle 9 and the seal ring 7 of anti-subzero 196 ℃ of following ultralow temperature, make the utility model under the environment of subzero 196 ℃ of following ultralow temperature, to work, in addition, between valve rod 10 and Gland 11, seal, realized that zero reveals by dish spring 15, pressure ring 14 and stem packing 13 with automatic adjusting decrement function.
Below disclose the utility model with preferred embodiment, so it is not in order to restriction the utility model, and all employings are equal to replaces or technological scheme that the equivalent transformation mode is obtained, all drops within the protection domain of the present utility model.

Claims (5)

1. ultra-low temperature ball valve, comprise valve body, valve gap, valve seat, spheroid, valve rod, threeway handle and handle steel pipe, wherein, spheroid is positioned in the middle of the valve body, valve gap is positioned at the valve body both sides, between valve gap and spheroid, be provided with valve seat, above-mentioned stem lower portion is passed valve body and is connected with spheroid, and top is connected with the threeway handle, is connected with the handle steel pipe on the threeway handle, and the bottom of spheroid also is connected with pivot, it is characterized in that the outer installment of above-mentioned valve rod has Gland, the lower end of Gland is connected with valve body simultaneously, and between Gland and valve rod, also being provided with stem packing, the top of stem packing is disposed with pressure ring and dish spring.
2. ultra-low temperature ball valve according to claim 1 is characterized in that, also is provided with O type circle on the described pressure ring, and O type circle contacts with valve rod.
3. ultra-low temperature ball valve according to claim 1 is characterized in that, also is provided with the seal ring of anti-subzero 196 ℃ of low temperature between described valve seat and the spheroid.
4. ultra-low temperature ball valve according to claim 1 is characterized in that, is provided with the wiper seal circle of anti-subzero 196 ℃ of low temperature between described valve seat and the valve gap.
5. ultra-low temperature ball valve according to claim 1 is characterized in that, described valve rod middle part also is provided with draining board.
CN2009202825319U 2009-12-25 2009-12-25 Ultralow temperature ball valve CN201588966U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202825319U CN201588966U (en) 2009-12-25 2009-12-25 Ultralow temperature ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202825319U CN201588966U (en) 2009-12-25 2009-12-25 Ultralow temperature ball valve

Publications (1)

Publication Number Publication Date
CN201588966U true CN201588966U (en) 2010-09-22

Family

ID=42748747

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202825319U CN201588966U (en) 2009-12-25 2009-12-25 Ultralow temperature ball valve

Country Status (1)

Country Link
CN (1) CN201588966U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102374308A (en) * 2011-09-14 2012-03-14 克里特集团有限公司 Pipeline ball valve of all-welded valve body
CN102620005A (en) * 2012-04-13 2012-08-01 江苏泰伯铸造有限公司 Low-operating torque and low-leakage floating ball valve
CN102748497A (en) * 2012-07-16 2012-10-24 圣博莱阀门有限公司 Ultra-low temperature top-mounted type ball valve
CN103115164A (en) * 2013-02-04 2013-05-22 连云港远洋流体装卸设备有限公司 Spring compensated type low temperature floating ball valve
CN103759031A (en) * 2013-12-26 2014-04-30 方正阀门集团有限公司 Fixed ball valve
CN104455524A (en) * 2014-09-30 2015-03-25 江苏亿阀集团有限公司 Composite sealing low-temperature ball valve
CN107701755A (en) * 2017-11-15 2018-02-16 潘绍兵 A kind of valve with pipeline leakage detection device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102374308A (en) * 2011-09-14 2012-03-14 克里特集团有限公司 Pipeline ball valve of all-welded valve body
CN102620005A (en) * 2012-04-13 2012-08-01 江苏泰伯铸造有限公司 Low-operating torque and low-leakage floating ball valve
CN102748497A (en) * 2012-07-16 2012-10-24 圣博莱阀门有限公司 Ultra-low temperature top-mounted type ball valve
CN102748497B (en) * 2012-07-16 2014-08-06 圣博莱阀门有限公司 Ultra-low temperature top-mounted type ball valve
CN103115164A (en) * 2013-02-04 2013-05-22 连云港远洋流体装卸设备有限公司 Spring compensated type low temperature floating ball valve
CN103759031A (en) * 2013-12-26 2014-04-30 方正阀门集团有限公司 Fixed ball valve
CN103759031B (en) * 2013-12-26 2016-04-13 方正阀门集团有限公司 Fixing ball valve
CN104455524A (en) * 2014-09-30 2015-03-25 江苏亿阀集团有限公司 Composite sealing low-temperature ball valve
CN104455524B (en) * 2014-09-30 2017-06-20 江苏亿阀集团有限公司 A kind of compound seal cryogenic ball valve
CN107701755A (en) * 2017-11-15 2018-02-16 潘绍兵 A kind of valve with pipeline leakage detection device

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Granted publication date: 20100922