CN201496594U - Nonrising-stem gate valve capable of displaying opening degree and on-off state - Google Patents
Nonrising-stem gate valve capable of displaying opening degree and on-off state Download PDFInfo
- Publication number
- CN201496594U CN201496594U CN2009201938682U CN200920193868U CN201496594U CN 201496594 U CN201496594 U CN 201496594U CN 2009201938682 U CN2009201938682 U CN 2009201938682U CN 200920193868 U CN200920193868 U CN 200920193868U CN 201496594 U CN201496594 U CN 201496594U
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- valve
- valve rod
- indication nut
- dial sleeve
- nut
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model provides a nonrising-stem gate valve capable of displaying opening degree and on-off state, which comprises a valve body, a valve seat, a flash board, a valve cap and a valve rod. A valve port is formed at the upper end of the valve body; the valve cap is arranged on the valve port; a through hole is formed on the valve cap; the lower end of the valve rod sticks into the valve body through the through hole; the flash board is arranged in the valve body; and a radial screw hole is formed at the upper end of the flash board and connected with the external threads at the lower end of the valve rod; the nonrising-stem gate valve further comprises an indication nut and a scale sleeve. External threads are arranged at the upper end of the valve rod and internal threads are arranged on the inner ring of the indication nut; the indication nut is sleeved on the valve rod through the threads; the scale sleeve passes through the valve rod and fixedly sleeved outside the indication nut; and the inner ring of the scale sleeve is matched with the outer ring of the indication nut to lead the indication nut to move up and down with the rotation of the valve rod along the valve rod. The utility model provides the nonrising-stem gate valve, in which the opening degree and the on-off state of the gate valve can be directly read out in different observation positions, and the scale sleeve plays a display role, as well as a protection role. The utility model has the advantages of brief integral structure and convenient processing and assembly.
Description
Technical field
The utility model relates to the gate valve field, particularly a kind of inside screw non-rising stem type gate valve that can show the aperture and the state of keying.
Background technique
Inside screw non-rising stem type gate valve is the lifting bar gate valve again.Trapezoidal thread is arranged on lifting bar usually, and by the nut of valve tip and the guide groove on the valve body, will rotatablely move becomes straight line motion, just will operate torque and become operation thrust.During actual the use, be as a token of, promptly open motionless position, as its fully open position with the summit of valve rod.Therefore the inside screw non-rising stem type gate valve of industrial pipeline is difficult to judge from outward appearance the keying of valve during work, is easy to generate misoperation or turns round bad valve; And when needing the aperture of regulating valve,, regulate just very difficult because the aperture of valve has no idea to judge.At this significant disadvantages of inside screw non-rising stem type gate valve, also occur some on the market and improve constructed products, but all there is the deficiency of following two aspects in these products that improved: one, by installing gear mechanism additional, the display device structure complexity of such technology, processing and assembling difficulty.Two, by installing scale-board and scale pin mechanism additional, such technology is easier to infringement, also is unfavorable for industrialized production.
The model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, design a kind of simple in structure, solid and reliable, from showing aperture in appearance and opening and closing the inside screw non-rising stem type gate valve of state.
In order to realize above-mentioned technical purpose, the utility model comprises following technical characteristics: a kind of inside screw non-rising stem type gate valve that can show the aperture and the state of keying comprises valve body, valve seat, flashboard, valve gap, valve rod; Described valve body upper end has valve port, and valve port is provided with valve gap, and valve gap is provided with through hole, and the valve rod lower end is stretched in the valve body by through hole, and flashboard is located in the valve body, and there is radially screw the flashboard upper end, is connected with the outside thread of valve rod lower end; Also comprise indication nut and dial sleeve; Described valve rod upper end is provided with outside thread, indication nut inner ring is provided with internal thread, the indication nut by thread bush on valve rod, dial sleeve is passed valve rod and fixedly is placed in outside the indication nut, and the dial sleeve inner ring matches with indication nut outer ring and makes the indication nut rotate and to move up and down along valve rod with valve rod.
Further, the outer ring of described indication nut is changeable shape or has a straight flange at least, and is consistent with the interior loop-shaped of dial sleeve, and makes Spielpassung.
Described dial sleeve is a transparent cylinder shape, and outer wall is provided with the graduation line that some signs have numeral.Also can adopt outside dial sleeve, to be provided with the longitudinal 2 observation breach, observe the breach side and be provided with the graduation line that some signs have numeral.
Seal between valve gap and the valve rod in order to make, space and outside seal are provided with Stuffing box and Gland successively in the valve gap on the described valve gap, Stuffing box is connected with gland stud, filler is arranged in the Stuffing box, and Stuffing box and Gland all have center hole, and valve rod cooperates with this center hole is movable; Described dial sleeve is fixed on the Gland, and the top of valve rod is connected with handwheel.
Be tightly connected between dial sleeve and valve rod in order to make, the joint that described dial sleeve is passed valve rod is provided with seal ring.
The utility model compared with prior art, indication nut and dial sleeve have been designed, and the valve rod upper end is provided with outside thread, indication nut inner ring is provided with internal thread, on valve rod, pass valve rod and also fixedly be placed in outside the indication nut by dial sleeve by thread bush for the indication nut, realizes the technique effect that matches the indication nut can be moved up and down along valve rod with the valve rod rotation in dial sleeve inner ring and indication nut outer ring, compared with prior art, the aperture of gate valve and keying state can directly read.Dial sleeve not only plays Presentation Function but also plays protective action, has improved reliability.Whole model utility terminal with compact integral structure, processing and easy to assembly.
Description of drawings
Below in conjunction with drawings and Examples invention is further specified
Fig. 1 is the general structure schematic representation of the utility model inside screw non-rising stem type gate valve.
Fig. 2 is the general structure part-structure sectional view of the utility model inside screw non-rising stem type gate valve.
Fig. 3 is the dial sleeve structural representation of the utility model inside screw non-rising stem type gate valve.
Fig. 4 is the indication nut structure schematic representation of the utility model inside screw non-rising stem type gate valve.
Embodiment
The utility model inside screw non-rising stem type gate valve comprises compositions such as valve body 1, valve seat 2, flashboard 4, Stem Mut 5, valve gap 6, valve rod 7, Gland 10, indication nut 12, dial sleeve 11, handwheel 14.Valve body 1 upper end has valve port, and valve gap 6 is installed on the valve port, is connected with valve body with bolt.On the valve gap 6 through hole is arranged, valve rod 7 lower ends are stretched in the valve body 1 by this through hole.Flashboard 4 is installed in the valve body 1, and there is a screw radially its upper end, is connected with the trapezoidal outside thread of valve rod 7 lower ends.Stuffing box 9 and Gland 10 are installed on the valve gap 6 successively, and Stuffing box 9 is connected with bolt each other with Gland 10, and filler 8 is arranged in the Stuffing box 9, and Stuffing box 9 and Gland 10 all have center hole, and valve rod 7 cooperates with this center hole is movable.The valve rod 7 of end is provided with one section common outside thread on the Gland 10, and the inner ring of indication nut 12 also is provided with regular screw threads, and indication nut 12 passes through this thread bush on valve rod 7.Indication nut 12 outer rings are polygonal or have a straight flange at least.11 of dial sleeve are passed valve rod 7, and to be enclosed within indication nut 12 outer and be fixed on the Gland 10.Dial sleeve 11 can be transparent cylinder shape, and outer wall is provided with the graduation line that some signs have numeral.Also can observe the breach side and be provided with the graduation line that some signs have numeral for peripheral hardware has the longitudinal 2 observation breach.Graduation line is marked with Arabic numerals, is convenient to observe and record.Loop-shaped is consistent with indication nut 12 outer rings in the scale transparent sleeve 11, and makes Spielpassung.When opening, rotation hand wheel 4 and drive valve rod 7 and rotate, flashboard 4 is raised, and valve is opened, and indicates nut 12 also to rise synchronously by screw thread simultaneously.Operator are easy to find out that valve is opened, and according to the height that indication nut 12 rises, can find out the aperture size of valve accurately.When closing, rotation hand wheel 14 round about, 12 declines of indication nut, expression valve closing.
Claims (6)
1. the inside screw non-rising stem type gate valve that can show the aperture and the state of keying comprises valve body (1), valve seat (2), flashboard (4), valve gap (6), valve rod (7); Described valve body (1) upper end has valve port, and valve port is provided with valve gap (6), and valve gap (6) is provided with through hole, valve rod (7) lower end is stretched in the valve body (1) by through hole, flashboard (4) is located in the valve body, and there is radially screw flashboard (4) upper end, is connected with the outside thread of valve rod (7) lower end; It is characterized in that: also comprise indication nut (12) and dial sleeve (11); Described valve rod (7) upper end is provided with outside thread, indication nut (12) inner ring is provided with internal thread, the indication nut (12) by thread bush on valve rod (7), dial sleeve (11) is passed valve rod (7) and fixedly is placed in outside the indication nut (12), and dial sleeve (11) inner ring matches with indication nut outer ring and makes indication nut (12) rotate and to move up and down along valve rod (7) with valve rod (7).
2. the inside screw non-rising stem type gate valve that can show aperture and open and close state according to claim 1, the outer ring that it is characterized in that described indication nut (12) be changeable shape or have a straight flange at least, and be consistent with the interior loop-shaped of dial sleeve (11), and make Spielpassung.
3. the inside screw non-rising stem type gate valve that can show the aperture and the state of keying according to claim 2 is characterized in that described dial sleeve (11) is transparent cylinder shape, and outer wall is provided with the graduation line that some signs have numeral.
4. the inside screw non-rising stem type gate valve that can show the aperture and the state of keying according to claim 2 is characterized in that the outer longitudinal 2 observation breach that is provided with of described dial sleeve (11), observes the breach side and is provided with the graduation line that some signs have numeral.
5. according to each described inside screw non-rising stem type gate valve that can show the aperture and the state of keying of claim 1 to 4, it is characterized in that being provided with successively on the described valve gap (6) Stuffing box (9) and Gland (10), Stuffing box (9) is connected with Gland (10) bolt, filler (8) is arranged in the Stuffing box (10), Stuffing box (9) and Gland (10) all have center hole, and valve rod (7) cooperates with this center hole is movable; Described dial sleeve (11) is fixed on the Gland (10), and the top of valve rod (7) is connected with handwheel (14).
6. the inside screw non-rising stem type gate valve that can show aperture and open and close state according to claim 5 is characterized in that described dial sleeve (11) passes the joint of valve rod (7) and be provided with seal ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201938682U CN201496594U (en) | 2009-09-01 | 2009-09-01 | Nonrising-stem gate valve capable of displaying opening degree and on-off state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201938682U CN201496594U (en) | 2009-09-01 | 2009-09-01 | Nonrising-stem gate valve capable of displaying opening degree and on-off state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201496594U true CN201496594U (en) | 2010-06-02 |
Family
ID=42439801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201938682U Expired - Fee Related CN201496594U (en) | 2009-09-01 | 2009-09-01 | Nonrising-stem gate valve capable of displaying opening degree and on-off state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201496594U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104745A (en) * | 2012-11-14 | 2013-05-15 | 安徽铜都阀门股份有限公司 | Stroke indication device of non-rising stem gate valve |
| CN104520623A (en) * | 2012-05-31 | 2015-04-15 | 浙江盾安阀门有限公司 | Open and closed indication device for valve |
| CN106763837A (en) * | 2016-11-10 | 2017-05-31 | 林之铠 | A kind of gate valve |
| CN106813001A (en) * | 2016-11-10 | 2017-06-09 | 林之铠 | Tool keying situation indicates the gate valve of function |
| CN106813009A (en) * | 2016-11-10 | 2017-06-09 | 俞钟晓 | The gate valve of function is blocked in the instruction of tool open/close states and leakage |
| CN106931233A (en) * | 2016-11-10 | 2017-07-07 | 俞钟晓 | It is a kind of to have the valve that open/close states remotely indicate function |
| CN109058492A (en) * | 2018-09-19 | 2018-12-21 | 浙江中德自控科技股份有限公司 | A kind of safe and reliable fast cut-off gate valve |
| CN109433522A (en) * | 2018-12-06 | 2019-03-08 | 汽-大众汽车有限公司 | A kind of liquid supplying apparatus and its operating method |
| CN110375111A (en) * | 2019-08-06 | 2019-10-25 | 上海凯工阀门股份有限公司 | Valve opening instruction device |
| CN115288635A (en) * | 2022-07-08 | 2022-11-04 | 西南石油大学 | Opening-closing type opening control pressure relief valve for high-pressure oil and gas well |
-
2009
- 2009-09-01 CN CN2009201938682U patent/CN201496594U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104520623A (en) * | 2012-05-31 | 2015-04-15 | 浙江盾安阀门有限公司 | Open and closed indication device for valve |
| CN103104745A (en) * | 2012-11-14 | 2013-05-15 | 安徽铜都阀门股份有限公司 | Stroke indication device of non-rising stem gate valve |
| CN106813009B (en) * | 2016-11-10 | 2018-12-18 | 奉化市中新阀门有限公司 | The gate valve of function is blocked in the instruction of tool open/close states and leakage |
| CN106813001A (en) * | 2016-11-10 | 2017-06-09 | 林之铠 | Tool keying situation indicates the gate valve of function |
| CN106813009A (en) * | 2016-11-10 | 2017-06-09 | 俞钟晓 | The gate valve of function is blocked in the instruction of tool open/close states and leakage |
| CN106931233A (en) * | 2016-11-10 | 2017-07-07 | 俞钟晓 | It is a kind of to have the valve that open/close states remotely indicate function |
| CN106763837A (en) * | 2016-11-10 | 2017-05-31 | 林之铠 | A kind of gate valve |
| CN106813001B (en) * | 2016-11-10 | 2018-12-18 | 奉化市中新阀门有限公司 | Has the gate valve of opening and closing situation instruction function |
| CN106763837B (en) * | 2016-11-10 | 2019-05-17 | 奉化市中新阀门有限公司 | A kind of gate valve |
| CN109058492A (en) * | 2018-09-19 | 2018-12-21 | 浙江中德自控科技股份有限公司 | A kind of safe and reliable fast cut-off gate valve |
| CN109433522A (en) * | 2018-12-06 | 2019-03-08 | 汽-大众汽车有限公司 | A kind of liquid supplying apparatus and its operating method |
| CN110375111A (en) * | 2019-08-06 | 2019-10-25 | 上海凯工阀门股份有限公司 | Valve opening instruction device |
| CN115288635A (en) * | 2022-07-08 | 2022-11-04 | 西南石油大学 | Opening-closing type opening control pressure relief valve for high-pressure oil and gas well |
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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 |
Granted publication date: 20100602 Termination date: 20170901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |