CN204201259U - Inside screw non-rising stem type gate valve opening indicator device - Google Patents
Inside screw non-rising stem type gate valve opening indicator device Download PDFInfo
- Publication number
- CN204201259U CN204201259U CN201420591203.8U CN201420591203U CN204201259U CN 204201259 U CN204201259 U CN 204201259U CN 201420591203 U CN201420591203 U CN 201420591203U CN 204201259 U CN204201259 U CN 204201259U
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- fixed cover
- type gate
- inside screw
- valve opening
- gate valve
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- 210000004907 gland Anatomy 0.000 claims abstract description 20
- 238000009827 uniform distribution Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241001661918 Bartonia Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model discloses a kind of inside screw non-rising stem type gate valve opening indicator device, can be widely used in common supply and drain water system for accurately showing the valve opening instruction of inside screw non-rising stem type gate valve, its structure is by valve gap, Gland, valve rod, handwheel, fixed cover, the formations such as threaded bushing and aperture indicating ring, its technological scheme disclosed is on aperture indicating ring, be provided with instruction annular groove and showing rod, and by the viewing window on instruction annular groove and fixed cover, sign, instruction slotted eye forms corresponding indexical relation jointly, also to be exposed through the arc-shaped slot of fixed cover end face by the top movable of showing rod and indicate, thus form the more accurate valve opening instruction of whole inside screw non-rising stem type gate valve, this indicating device structural design is simple, operation is reliable, two place's indicating structures combine and valve opening instruction can be made more accurate, therefore greatly meet the use needs of Consumer.
Description
Technical field
The utility model relates to a kind of indicating device being used to indicate gate valve aperture, especially inside screw non-rising stem type gate valve opening indicator device.
Background technique
Inside screw non-rising stem type gate valve is valve mechanism the most frequently used in common supply and drain water system, its aperture of opening or closing all is difficult to accomplish display directly perceived, and although Outside screw stem rising through handwheel type gate valve can react valve opening intuitively, but it is higher to requirements of installation space, when installing space is limited, the selection that inside screw non-rising stem type gate valve is obvious or best, and in order to the aperture situation of inside screw non-rising stem type gate valve can be reacted intuitively, the basis of existing inside screw non-rising stem type gate valve arranges opening indicator device and is necessary undoubtedly.But according to the inside screw non-rising stem type gate valve service condition being provided with opening indicator device at present, often there is complex structural designs, poor operability, the more high defect of production installation cost in these inside screw non-rising stem type gate valves.
Disclosed China Patent No. is " the ono-rising-stem valve opening indicator device " of 201320647300.X, which disclosing a kind of rotation by valve rod drives the aperture indicating ring formation be arranged in fixed cover to move up and down, thus to make on aperture indicating ring the viewing window set by set pointer and fixed cover, indicating structure that sign forms valve opening indexical relation jointly, although this indicating device has possessed larger use advantage in structural design, installation and operability; But the indicating structure of pointer is often easily subject to the external world and touches and cause bending or come off, and only valve opening is indicated also to be difficult to the accuracy ensureing that aperture indicates by single pointer structure; Meanwhile, along with the continuous expansion in inside screw non-rising stem type gate valve market, more Consumers also urgently wish that valve manufacturer can release the inside screw non-rising stem type gate valve having different indicating structure and possess better deixis more, to meet growing use needs.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect of prior art and provides that a kind of structure is simple, operation is reliable, aperture indicates accurate inside screw non-rising stem type gate valve opening indicator device.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of inside screw non-rising stem type gate valve opening indicator device, comprises valve gap, is arranged on the Gland at valve gap top, is rotatably installed in the valve rod in valve gap and Gland and is in transmission connection at the handwheel of valve stem top; Be provided with fixed cover outside described valve rod, this fixed cover lower end is connected on Gland, is provided with the viewing window axially making downward-extension along fixed cover at fixed cover outer surface; Be provided with the aperture indicating ring being sleeved on valve rod and moving up and down in described fixed cover outward and by valve rod rotating drive and doing, the outer surface of described aperture indicating ring be provided with a circle radial ring around aperture instruction annular groove, this aperture instruction annular groove exposes in viewing window; Described aperture indicating ring end face is provided with many and indicates Ring current distribution for doing the showing rod of circumference uniform distribution in the center of circle with aperture, correspondingly be provided with the equal arc-shaped slot of multiple and described showing rod quantity at fixed cover end face, the top of Mei Gen showing rod is all movable to be passed and exposes and be arranged in corresponding arc-shaped slot.
Described showing rod and arc-shaped slot are 1 ~ 4 group that matches.
Described viewing window is 1 ~ 4 viewing window of circumference uniform distribution on fixed cover outer surface, and the both sides of each viewing window are respectively equipped with the sign that forms indexical relation with described instruction annular groove and indicate slotted eye.
Described sign is the pass mark that the opening of bid being arranged on viewing window top is known, is arranged on 1/2 mark in the middle part of viewing window and is arranged on bottom viewing window.
The structure that moves up and down of described aperture indicating ring is that aperture indicating ring is set to regular polygon ring, corresponding being provided with in fixed cover does up and down equipped regular polygon hole for described aperture indicating ring, be provided with the threaded bushing be fixedly mounted on valve rod in described fixed cover, described aperture indicating ring is threaded on this threaded bushing.
Described threaded bushing interference fit is connected on valve rod, scribbles glue between this threaded bushing and valve rod.
Described fixed cover lower end and the linkage structure of Gland are provided with in fixed cover lower end the base extended respectively to both sides, and this base is provided with attachment hole, is provided with the bolt group be connected that to fix with Gland in attachment hole.
Compared with prior art, the utility model is mainly provided with the structure of instruction annular groove and showing rod on aperture indicating ring, it by instruction annular groove and with the viewing window on fixed cover, sign, instruction slotted eye forms corresponding indexical relation jointly, also to be exposed through the arc-shaped slot of fixed cover end face by the top movable of showing rod and indicate, thus form the more accurate valve opening instruction of whole inside screw non-rising stem type gate valve, this indicating device structural design is simple, operation is reliable, two place's indicating structures combine and valve opening instruction can be made more accurate, therefore greatly meet the use needs of Consumer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model (half sectional view).
Fig. 2 is the structural representation of fixed cover.
Fig. 3 is the worm's eye view of Fig. 2.
Fig. 4 is the plan view of Fig. 2.
Fig. 5 is the structural representation of aperture indicating ring.
Fig. 6 is the plan view of Fig. 5.
Embodiment
To elaborate again to the utility model embodiment by above-mentioned accompanying drawing below.
As shown in Fig. 1 ~ Fig. 6,1. valve gap, 2. Gland, 3. bolt group, 4. fixed cover, 41. signs, 411. opening of bid knowledges, 412.1/2 mark, 413. close marks, 42. mounting holes, 43. end faces, 44. instruction slotted eyes, 45. viewing windows, 46. regular polygon holes, 47. bases, 48. attachment holes, 49. arc-shaped slots, 5. nut, 6. handwheel, 7. valve rod, 8. aperture indicating ring, 81. instruction annular grooves, 82. showing rods, 9. threaded bushing.
Inside screw non-rising stem type gate valve opening indicator device, as shown in Figure 1, it is a kind of indicating structure of the valve opening for accurately showing inside screw non-rising stem type gate valve, can be widely used in the inside screw non-rising stem type gate valve in common supply and drain water system.
Described opening indicator device is arranged on valve gap 1 top of inside screw non-rising stem type gate valve, it comprises the Gland 2 be arranged on valve gap, the fixed cover 4 be arranged on Gland, be rotatably installed in valve rod 7 in valve gap 1, Gland 2 and fixed cover 4 and by the square hole that combines, square axle structure and be in transmission connection at the handwheel 6 of valve stem top, and it is fastening to realize connecting that handwheel top is provided with the nut 5 that is tightened on valve rod 7 top.
Described fixed cover 4 is as shown in Fig. 2 ~ Fig. 4, and its profile is cylindrical tube shape, inside establishes axially extended regular polygon hole 46, and the present embodiment is octagon hole, described fixed cover 4 upper end is provided with end face 43 and closes, the center of circle of this end face is provided with a circular mounting hole 42 and passes freely through for valve rod 7, also be provided with four with mounting hole 42 for the arc-shaped slot 49 of circumference uniform distribution is made in the center of circle, the center of circle of each arc-shaped slot all overlaps with the center of circle of mounting hole 42, described fixed cover 4 lower end is provided with the base 47 extended respectively to both sides, the outer rim of this base is arc-shaped, base 47 is provided with attachment hole 48, one bolt group 3 successively through this attachment hole 48, Gland 2 and be connected on valve gap 1, thus makes all to form a fixed connection between Gland 2 and valve gap 1, between fixed cover 4 and Gland 2 structure, described fixed cover 4 outer surface is provided with the slotted eye shape viewing window 45 axially making upper downward-extension along fixed cover, this viewing window is 1 ~ 4 viewing window of circumference uniform distribution on fixed cover 4 outer surface, the present embodiment adopts 4 viewing windows, therefore all can carry out 360o observation in four faces, each viewing window 45 side is equipped with sign 41, this sign is that the opening of bid being arranged on viewing window top knows 411, the pass mark 413 being arranged on 1/2 mark 412 in the middle part of viewing window and being arranged on bottom viewing window, the both sides of each viewing window 45 are respectively equipped with instruction slotted eye 44, the translot hole structure that this instruction slotted eye is through before and after being, its adjacent sign 41 is arranged, the instruction slotted eye 44 of viewing window 45 both sides in the same horizontal line.
The threaded bushing 9 be sleeved on valve rod 7 and the aperture indicating ring 8 be threaded on threaded bushing is provided with in described fixed cover 4.
The drive fit that described threaded bushing 9 is connected for interference with valve rod 7, also scribble glue to be between the two connected and fixed to be formed, therefore valve rod 7 rotates drive threaded bushing 9 is made synchronous axial system, the end face that upper-end surface extends to the inner top surface of fixed cover 4, the lower end surface of threaded bushing 9 extends to Gland 2 of threaded bushing 9, upper and lower end all needs to reserve certain span, to facilitate the rotation of threaded bushing 9 flexible.
Described aperture indicating ring 8 is threaded on threaded bushing 9, and the pitch of this threaded bushing is set to adjustable structure, and the actual number of turns of opening can rotated according to valve rod 7 regulates pitch; Described aperture indicating ring 8 is set to the octagon ring matched with the octagon hole in fixed cover 4 as shown in Figure 6, and octagon ring is arranged in octagon hole by Spielpassung, therefore this octagon hole also serves the motion guide effect of aperture indicating ring 8; When handwheel 6 rotating band ovable valve stem 7 and threaded bushing 9 synchronous axial system, rotation will be changed into by regular polygon structure and move up and down by this aperture indicating ring 8.
Be provided with in the middle part of described aperture indicating ring 8 outer peripheral surface one enclose radial ring as shown in Figure 5 around instruction annular groove 81, this instruction annular groove can expose and be presented in 4 viewing windows 45, and and slotted eye 44 can be indicated all to form the aperture indexical relation of valve with the sign 41 of each viewing window both sides.Namely aperture indicating ring 8 move up until the inner top surface of the cover 4 that is fixed spacing after, this instruction annular groove 81 is just in time on corresponding two the instruction slotted eyes 44 known in opening of bid knowledge 411 and adjacent opening of bid, and can show current valve is complete opening state; And aperture indicating ring 8 moves down until the end face of filled gland 2 spacing after, this instruction annular groove 81 is just in time corresponding to close mark 413 and is adjacently closing on two instruction slotted eyes 44 of mark, and can show current valve is buttoned-up status; And aperture indicating ring 8 moves in the middle part of viewing window 45, and make instruction annular groove 81 just in time corresponding on 1/2 two the instruction slotted eyes 44 identifying 412 and adjacent 1/2 mark, can show current valve is unlatching 1/2 state.
Described aperture indicating ring 8 end face is provided with many and indicates Ring current distribution for doing the showing rod 82 of circumference uniform distribution in the center of circle with aperture, the quantity of showing rod is generally at 1 ~ 4, the present embodiment is 4 showing rods, Mei Gen showing rod 82 is highly equal cylindrical shape, the top of Mei Gen showing rod 82 all by moving up and down of aperture indicating ring 8 movable pass and expose be arranged in corresponding arc-shaped slot 49, using the instruction as valve opening.
The utility model is by indicating annular groove 81 with the viewing window 45 on fixed cover 4, sign 41, indicating slotted eye 44 jointly to form corresponding indexical relation, also to be exposed through the arc-shaped slot 49 of fixed cover 4 end face 43 by the top movable of showing rod 82 and indicate, the instruction that combines of two aspects can make valve opening more accurate, and threaded bushing 9 can adjust pitch size according to the actual number of turns of opening, also reach the object of precision control valve door aperture instruction.This inside screw non-rising stem type gate valve overall construction design is reasonable, and cost of production is low, it is reliable, convenient for installation and maintenance to operate, and greatly facilitates selecting of Consumer.
Claims (7)
1. an inside screw non-rising stem type gate valve opening indicator device, comprises valve gap (1), is arranged on the Gland (2) at valve gap top, is rotatably installed in the valve rod (7) in valve gap (1) and Gland (2) and is in transmission connection at the handwheel (6) of valve stem top; Be provided with fixed cover (4) outside described valve rod (7), this fixed cover lower end is connected on Gland (2), is provided with the viewing window (45) axially making downward-extension along fixed cover at fixed cover outer surface; The aperture indicating ring (8) being sleeved on valve rod (7) and also doing by valve rod rotating drive to move up and down is provided with outward in described fixed cover (4), it is characterized in that the outer surface of described aperture indicating ring be provided with a circle radial ring around aperture instruction annular groove (81), this aperture instruction annular groove expose in viewing window (45); Described aperture indicating ring (8) end face is provided with many and indicates Ring current distribution for doing the showing rod (82) of circumference uniform distribution in the center of circle with aperture, correspondingly be provided with the equal arc-shaped slot (49) of multiple and described showing rod (82) quantity at fixed cover (4) end face, the top of Mei Gen showing rod (82) is all movable to be passed and exposes and be arranged in corresponding arc-shaped slot (49).
2. inside screw non-rising stem type gate valve opening indicator device according to claim 1, is characterized in that described showing rod (82) and arc-shaped slot (49) are for 1 ~ 4 group of matching.
3. inside screw non-rising stem type gate valve opening indicator device according to claim 1, it is characterized in that described viewing window (45) is for 1 ~ 4 viewing window of circumference uniform distribution on fixed cover (4) outer surface, the both sides of each viewing window (45) are respectively equipped with and form the sign (41) of indexical relation with described instruction annular groove (81) and indicate slotted eye (44).
4. inside screw non-rising stem type gate valve opening indicator device according to claim 3, is characterized in that pass mark (413) that described sign (41) is known (411) for the opening of bid being arranged on viewing window (45) top, is arranged on 1/2 mark (412) at viewing window (45) middle part and is arranged on bottom viewing window (45).
5. inside screw non-rising stem type gate valve opening indicator device according to claim 1, the structure that moves up and down that it is characterized in that described aperture indicating ring (8) is that aperture indicating ring (8) is set to regular polygon ring, corresponding being provided with in fixed cover (4) does up and down equipped regular polygon hole (46) for described aperture indicating ring (8), be provided with the threaded bushing (9) be fixedly mounted on valve rod (7) in described fixed cover (4), described aperture indicating ring (8) is threaded on this threaded bushing (9).
6. inside screw non-rising stem type gate valve opening indicator device according to claim 5, is characterized in that described threaded bushing (9) interference fit is connected on valve rod (7), scribbles glue between this threaded bushing (9) and valve rod (7).
7. inside screw non-rising stem type gate valve opening indicator device according to claim 1, it is characterized in that the linkage structure of described fixed cover (4) lower end and Gland (2) is provided with the base (47) extended respectively to both sides, this base is provided with attachment hole (48), is provided with the bolt group (3) be connected that to fix with Gland (2) in attachment hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591203.8U CN204201259U (en) | 2014-10-14 | 2014-10-14 | Inside screw non-rising stem type gate valve opening indicator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591203.8U CN204201259U (en) | 2014-10-14 | 2014-10-14 | Inside screw non-rising stem type gate valve opening indicator device |
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| Publication Number | Publication Date |
|---|---|
| CN204201259U true CN204201259U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420591203.8U Expired - Lifetime CN204201259U (en) | 2014-10-14 | 2014-10-14 | Inside screw non-rising stem type gate valve opening indicator device |
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| CN (1) | CN204201259U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927787A (en) * | 2016-07-08 | 2016-09-07 | 江苏陆地方舟新能源电动汽车有限公司 | Emergency valve for bus door |
| CN107859781A (en) * | 2017-12-06 | 2018-03-30 | 凯瑞特阀业有限公司 | Stop valve |
| CN110375111A (en) * | 2019-08-06 | 2019-10-25 | 上海凯工阀门股份有限公司 | Valve opening instruction device |
-
2014
- 2014-10-14 CN CN201420591203.8U patent/CN204201259U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927787A (en) * | 2016-07-08 | 2016-09-07 | 江苏陆地方舟新能源电动汽车有限公司 | Emergency valve for bus door |
| CN107859781A (en) * | 2017-12-06 | 2018-03-30 | 凯瑞特阀业有限公司 | Stop valve |
| CN110375111A (en) * | 2019-08-06 | 2019-10-25 | 上海凯工阀门股份有限公司 | Valve opening instruction device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |