CN204239880U - Valve packing gland pressing plate - Google Patents
Valve packing gland pressing plate Download PDFInfo
- Publication number
- CN204239880U CN204239880U CN201420616879.8U CN201420616879U CN204239880U CN 204239880 U CN204239880 U CN 204239880U CN 201420616879 U CN201420616879 U CN 201420616879U CN 204239880 U CN204239880 U CN 204239880U
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- CN
- China
- Prior art keywords
- subplate
- groove
- hole
- mainboard
- shaped hole
- 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
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Abstract
The utility model valve packing gland pressing plate relates to a kind of pressing plate, particularly relates to a kind of pressing plate for extruding Gland.Its objective is that a kind of structure is simple, cost is low in order to provide, easy and simple to handle, change valve packing gland pressing plate without system shutdown.The utility model valve packing gland pressing plate comprises mainboard and subplate, inverted U-shaped hole, position, upper U-shaped hole, the fillet place radius in upper U-shaped hole is r, upper U-shaped hole is used for the carry-out part of fixing pressing device, and be communicated with valve rod U hole on the downside of upper U-shaped hole, described valve rod U hole is inverted U-shaped hole, valve rod U hole coordinates with valve lever clearance, the fillet place radius in valve rod U hole is R, and described R is greater than r, and valve rod U hole is through to mainboard lower end; Described subplate comprises lower opening and baffle plate, offers lower opening in the middle part of subplate, and lower bore dia is less than R, and lower opening is used for the carry-out part of fixing pressing device, and the subplate left and right sides is provided with baffle plate, and described baffle plate is used for clamping the mainboard left and right sides.
Description
Technical field
The utility model relates to a kind of pressing plate, particularly relates to a kind of pressing plate for extruding Gland.
Background technique
The washing medium that synthetic ammonia uses is methyl alcohol, and this material is inflammable and explosive, high-volatile high-risk chemical substance, has very strong injury ability to human body, enters air and can cause serious environmental pollution.Washing plant site technique pipeline there are many places showering guilding valve, escape cock.Because system working pressure has more than 50 kilogram, and showering guilding valve, escape cock need often to close, therefore valve packing just leaks often because repeatedly wearing and tearing.Once find methyl alcohol leak, will immediately filler with leakage eliminating.Former valve packing gland and pressing plate are integral type cast steel structure, as shown in Figure 1, pressing plate 1 ' is rhombus, its upper/lower terminal offers hole 11 ' and lower opening 12 ' respectively, upper hole 11 ', lower opening 12 ' are for the carry-out part of fixing pressing device, pressing plate 1 ' middle part offers hole 13 ', valve rod U hole 13 ', valve rod U and coordinates with valve lever clearance.
This structure existing defects is: the joint (i.e. pressing plate 1 ' middle part) of gland and pressing plate 1 ' makes the area of its section reduce because offering valve rod U hole 13 ', thus easily fractures.In June, 2013, first time occurs that tight filler process center platen ruptures from middle part.Along with weakening of filler impacting force, methyl alcohol leakage rate obviously increases, and as can not get effective process at short notice, just must change valve by system shutdown.And the loss that primary system stops is hundreds thousand of at least, at most more than 1,000,000, be have considerable influence to company's whole economic efficiency.
Model utility content
The technical problems to be solved in the utility model is to provide that a kind of structure is simple, cost is low, easy and simple to handle, change valve packing gland pressing plate without system shutdown.
The utility model valve packing gland pressing plate, comprises mainboard and subplate.Described mainboard top offers U-shaped hole.Described upper U-shaped hole is inverted U-shaped hole, and the fillet place radius in upper U-shaped hole is r, and upper U-shaped hole is used for the carry-out part of fixing pressing device, is communicated with on the downside of upper U-shaped hole with valve rod U hole.Described valve rod U hole is inverted U-shaped hole, and valve rod U hole coordinates with valve lever clearance, and the fillet place radius in valve rod U hole is R.Described R is greater than r, and valve rod U hole is through to mainboard lower end.Described subplate comprises lower opening and baffle plate, offers lower opening in the middle part of subplate, and lower bore dia is less than R, and lower opening is used for the carry-out part of fixing pressing device, and the subplate left and right sides is provided with baffle plate.Described baffle plate is used for clamping the mainboard left and right sides.
The utility model valve packing gland pressing plate, wherein said mainboard is provided with the groove that the degree of depth is identical with subplate thickness, length is identical with subplate length.The side of described groove is provided with permanent magnet, and subplate upper end is provided with lower permanent magnet, and the magnetic induction line direction of described upper permanent magnet and lower permanent magnet is contrary.
The utility model valve packing gland pressing plate, wherein said mainboard is connected by buckle with subplate.Described mainboard is provided with the first groove that the degree of depth is identical with subplate thickness, length is identical with subplate length.The side opening of described first groove is provided with the second groove.Described second groove is offer perpendicular to the side of the first groove the groove that the degree of depth is D.The side opening of described second groove is provided with draw-in groove.Described draw-in groove is offered perpendicular to the side of the second groove.Described subplate upper end is provided with buckle.The bar of described buckle to be a cross section be right-angled triangle, the hypotenuse length in buckle cross section is less than or equal to the degree of depth D of the second groove, the plane that one of them right angle side of buckle cross section is corresponding and subplate upper end are fixed, and this plane acute angle position fixing with subplate upper end is offered direction to draw-in groove and protruded on subplate.
The utility model valve packing gland pressing plate difference from prior art is that the utility model valve packing gland pressing plate has only used simple demountable structure to replace original structure, thus eliminate stop extract valve rod carry out changing valve packing gland pressing plate trouble, saved cost, avoid methyl alcohol to leak thus protection of the environment and ensuring safety.The utility model has been expected from down and can have been made within 3 man-hours, and in-site installation is then convenient, only needs a few minutes.Its play effect then have following two aspects: 1. avoid because of methyl alcohol leak in a large number cause methanol loss, personnel injury and environmental pollution; 2. up to now, avoid cubic system parking maintenance, cross 1,000,000 yuan for company saves fund.
Make mainboard by permanent magnet in the utility model valve packing gland pressing plate, subplate fixes and aim at, high degree accelerates replacing speed.
Make mainboard by buckle in the utility model valve packing gland pressing plate, subplate fixes and aim at, ensure the stability that mainboard, subplate connect.
Below in conjunction with accompanying drawing, valve packing gland pressing plate of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 is the plan view of background technique;
Fig. 2 is the plan view of the mainboard of valve packing gland pressing plate in embodiment 1;
Fig. 3 is the left view of the mainboard of valve packing gland pressing plate in embodiment 1;
Fig. 4 is the plan view of the subplate of valve packing gland pressing plate in embodiment 1;
Fig. 5 is the left view of the subplate of valve packing gland pressing plate in embodiment 1;
Fig. 6 is the left view of the mainboard of valve packing gland pressing plate in embodiment 2;
Fig. 7 is the left view of the subplate of valve packing gland pressing plate in embodiment 2.
Embodiment
Embodiment 1
As shown in Figure 2-5, see Fig. 2, Fig. 4, the utility model valve packing gland pressing plate comprises mainboard 1 and subplate 2.Mainboard 1 top offers U-shaped hole 11.Upper U-shaped hole 11 is inverted U-shaped hole, and the fillet place radius in upper U-shaped hole 11 is r, and upper U-shaped hole 11, for the carry-out part of fixing pressing device, is communicated with valve rod U hole 13 on the downside of upper U-shaped hole 11.Valve rod U hole 13 is inverted U-shaped hole, and valve rod U hole 13 coordinates with valve lever clearance, and the fillet place radius in valve rod U hole 13 is R.R is greater than r, and valve rod U hole 13 is through to mainboard 1 lower end.
As shown in Fig. 4 Fig. 5, subplate 2 comprises lower opening 22 and baffle plate 21, offers lower opening 22 in the middle part of subplate 2, and lower opening 22 diameter is less than R, and lower opening 22 is for the carry-out part of fixing pressing device, and subplate 2 left and right sides is provided with baffle plate 21.Baffle plate 21 is for clamping mainboard 1 left and right sides.
As shown in Fig. 2 Fig. 3, mainboard 1 is provided with the groove that the degree of depth is identical with subplate 2 thickness, length is identical with subplate 2 length.The side of groove is provided with permanent magnet 14, and subplate 2 upper end is provided with lower permanent magnet 24, and the magnetic induction line direction of upper permanent magnet 14 and lower permanent magnet 24 is contrary.
The replacing options of valve packing gland pressing plate, comprises the steps:
A, when the fracture of first valve packing gland pressing plate, the carry-out part of lower opening 22 with fixing pressing device is split, and takes out subplate 2 downwards;
B, the carry-out part of upper U-shaped hole 11 with fixing pressing device to be split, and upwards take out mainboard 1;
C, by the valve rod U hole 13 of second valve packing gland pressing plate mainboard 1 be inserted on valve rod from the top down, upper U-shaped hole 11 is fixed with the carry-out part of fixing pressing device;
D, subplate 2 is placed in the groove of mainboard 1, the lower permanent magnet 24 of subplate 2 and upper permanent magnet 14 adhesive of mainboard 1, the carry-out part of lower opening 22 with fixing pressing device is fixed.
Embodiment 2
As shown in Figure 6, Figure 7, the present embodiment 2 is with the difference of embodiment 1, and mainboard 1 is connected by buckle 25 with subplate 2.See Fig. 6, mainboard 1 is provided with the first groove 15 that the degree of depth is identical with subplate 2 thickness, length is identical with subplate 2 length.The side opening of the first groove 15 is provided with the second groove 16.Second groove 16 is offer perpendicular to the side of the first groove the groove that the degree of depth is D.The side opening of the second groove 16 is provided with draw-in groove.Draw-in groove is offered perpendicular to the side of the second groove 16.
See Fig. 7, subplate 2 upper end is provided with buckle 25.The bar of buckle 25 to be a cross section be right-angled triangle, buckle 25 material is nitrile rubber, the hypotenuse length in buckle 25 cross section is less than or equal to the degree of depth D of the second groove 16, the plane that one of them right angle side of buckle 25 cross section is corresponding and subplate 2 upper end are fixed, and this plane acute angle position fixing with subplate 2 upper end is offered direction to draw-in groove and protruded on subplate 2.
The replacing options of valve packing gland pressing plate, comprises the steps:
A, when the fracture of first valve packing gland pressing plate, the carry-out part of lower opening 22 with fixing pressing device to be split, and outwards lift subplate 2 makes buckle 25 and exact separation, then pull-out subplate 2 downwards;
B, the carry-out part of upper U-shaped hole 11 with fixing pressing device to be split, and upwards take out mainboard 1;
C, be inserted into from the top down on valve rod in the valve rod U hole 13 of second valve packing gland pressing plate mainboard 1, upper U-shaped hole 11 is fixed with the carry-out part of fixing pressing device;
D, subplate 2 is placed in the first groove 15 of mainboard 1, the buckle 25 of subplate 2 is inserted in the draw-in groove of mainboard 1 from bottom to top, the carry-out part of lower opening 22 with fixing pressing device is fixed.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (3)
1. a valve packing gland pressing plate, it is characterized in that: comprise mainboard (1) and subplate (2), described mainboard (1) top offers U-shaped hole (11), described upper U-shaped hole (11) is inverted U-shaped hole, the fillet place radius of upper U-shaped hole (11) is r, upper U-shaped hole (11) is for the carry-out part of fixing pressing device, upper U-shaped hole (11) downside is communicated with valve rod U hole (13), described valve rod U hole (13) is inverted U-shaped hole, valve rod U hole (13) coordinates with valve lever clearance, the fillet place radius in valve rod U hole (13) is R, described R is greater than r, valve rod U hole (13) is through to mainboard (1) lower end,
Described subplate (2) comprises lower opening (22) and baffle plate (21), subplate (2) middle part offers lower opening (22), lower opening (22) diameter is less than R, lower opening (22) is for the carry-out part of fixing pressing device, subplate (2) left and right sides is provided with baffle plate (21), and described baffle plate (21) is for clamping mainboard (1) left and right sides.
2. valve packing gland pressing plate according to claim 1, it is characterized in that: described mainboard (1) is provided with the groove that the degree of depth is identical with subplate (2) thickness, length is identical with subplate (2) length, the side of described groove is provided with permanent magnet (14), subplate (2) upper end is provided with lower permanent magnet (24), and the magnetic induction line direction of described upper permanent magnet (14) and lower permanent magnet (24) is contrary.
3. valve packing gland pressing plate according to claim 1, it is characterized in that: described mainboard (1) is connected by buckle (25) with subplate (2), it is identical with subplate (2) thickness that described mainboard (1) is provided with the degree of depth, the first groove (15) that length is identical with subplate (2) length, the side opening of described first groove (15) is provided with the second groove (16), described second groove (16) is offer perpendicular to the side of the first groove the groove that the degree of depth is D, the side opening of described second groove (16) is provided with draw-in groove, described draw-in groove is offered perpendicular to the side of the second groove (16),
Described subplate (2) upper end is provided with buckle (25), the bar of described buckle (25) to be a cross section be right-angled triangle, the hypotenuse length in buckle (25) cross section is less than or equal to the degree of depth D of the second groove (16), the plane that one of them right angle side of buckle (25) cross section is corresponding and subplate (2) upper end are fixed, and this plane acute angle position fixing with subplate (2) upper end is offered direction to draw-in groove and protruded on subplate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420616879.8U CN204239880U (en) | 2014-10-22 | 2014-10-22 | Valve packing gland pressing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420616879.8U CN204239880U (en) | 2014-10-22 | 2014-10-22 | Valve packing gland pressing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239880U true CN204239880U (en) | 2015-04-01 |
Family
ID=52769378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420616879.8U Expired - Fee Related CN204239880U (en) | 2014-10-22 | 2014-10-22 | Valve packing gland pressing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315247A (en) * | 2014-10-22 | 2015-01-28 | 安徽淮化股份有限公司 | Valve packing gland pressing plate and replacing method thereof |
-
2014
- 2014-10-22 CN CN201420616879.8U patent/CN204239880U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315247A (en) * | 2014-10-22 | 2015-01-28 | 安徽淮化股份有限公司 | Valve packing gland pressing plate and replacing method thereof |
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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: 20150401 Termination date: 20161022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |