CN201539574U - Hydraulic mud valve - Google Patents
Hydraulic mud valve Download PDFInfo
- Publication number
- CN201539574U CN201539574U CN2009200610859U CN200920061085U CN201539574U CN 201539574 U CN201539574 U CN 201539574U CN 2009200610859 U CN2009200610859 U CN 2009200610859U CN 200920061085 U CN200920061085 U CN 200920061085U CN 201539574 U CN201539574 U CN 201539574U
- Authority
- CN
- China
- Prior art keywords
- valve
- shaft
- seal ring
- fixed
- flap
- 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
Links
Images
Landscapes
- Details Of Valves (AREA)
Abstract
A hydraulic mud valve comprises a valve body, a valve cap sealed and fixed on the valve body, a valve clack arranged in the valve body, a valve shaft fixed on the upper end of the valve clack, a cylinder body of a hydraulic cylinder, a piston arranged in the hydraulic cylinder, and a cylinder cover sealed and fixed on the cylinder body, wherein the cylinder body of the hydraulic cylinder is sealed and fixed on the valve cap; the valve shaft passes through the valve cap and extends into the hydraulic cylinder; the piston is fixed on the upper end of the valve shaft; the top of the valve shaft is fixedly provided with a lengthening shaft; the lengthening shaft passes through the cylinder cover of the cylinder body; the upper end of the lengthening shaft is fixedly provided with a side block; the cylinder cover of the cylinder body is fixedly provided with an approach switch stand; different vertical height positions of the approach switch stand are fixedly provided with an upper approach signal switch and a lower approach signal switch which are matched with the side block; and the upper approach signal switch and the lower approach signal switch are electrically connected with a central control room. The utility model has the advantages that the signal device of the hydraulic mud valve has simple structure and is not easy to have failure.
Description
Technical field
The utility model relates to a kind of soil discharging valve, particularly relates to a kind of telltale of the soil discharging valve that surges.
Background technique
Be 200420069012.1 in the patent No., name is called in the model utility of quick-opening mud valve, disclosed soil discharging valve comprises valve body, piston cylinder valve gap, dividing plate guide way, openings lead slip ring, valve core rod, taper valve, fluid pressure difference seal ring, return spring, solenoid valve, hand control valve etc., the fluid flow switch of maintenance butterfly valve and energy output valve on off state electrical signal is equipped with in valve body inlet, and restraining groove, mud hole and deslagging plug are arranged on the valve body; The conical baffle guide way assembly that has every the slag function is contained in the valve body by bolt is spacing, and is easier when making assembling and maintenance valve.Employing has openings lead slip ring and O-ring seals assembly parts, the fluid pressure difference ring structure of compensate function and realizes the sealing of valve core rod is led, and nesting type soft seal circle is arranged on the taper valve, makes pass valve shock-absorbing capacity better.This patent shows valve open and close state by the fluid flow switch, but because the poor working environment of soil discharging valve, mud etc. are easy to make the fluid flow malfunctioning switch.
In the patent No. is 93239012.9 utility model patent, soil discharging valve at the bottom of a kind of impact-assisting type hydraulic pneumatic pond is disclosed, oil hydraulic cylinder is arranged, place the piston rod in the oil hydraulic cylinder, the piston rod upper and lower end has piston, flap respectively, it is characterized in that the oil hydraulic cylinder top helps towards mud discharging device, helping has the upper valve body that contains the import of liquid gas in the mud discharging device, places the control mechanism that contains flap in the upper valve body, places the washing pipe that helps that contains nozzle on the upper valve body.In the utility model, also has the keying signal device.Telltale comprises speech iron forever, magnetosensitive switch, the tutorial light that is connected with the magnetosensitive switch.Speech iron is arranged on the piston of oil hydraulic cylinder and is contained on the piston rod forever, the magnetosensitive switch be contained in the corresponding oil hydraulic cylinder of permanent magnet top on, be provided with spring at permanent magnet and magnetosensitive switch room.Since magnetosensitive switch, the oil hydraulic cylinder that permanent magnet places to link to each other with gas-liquid, poor working environment, and the magnetosensitive switch is malfunctioning easily, the magnetic of permanent magnet weakens easily, makes telltale malfunctioning; Also be provided with spring between magnetosensitive switch and permanent magnet, distance between the two is bigger, in use for some time, after the sensitivity of the magnetic of permanent magnet and magnetosensitive switch reduces a little, also causes telltale malfunctioning easily.
Summary of the invention:
The purpose of this utility model is to provide a kind of signaling switch good work environment, valve opening, shutdown signal to show the soil discharging valve that surges reliably.
Realize a kind of soil discharging valve that surges of the present utility model, comprise valve gap on valve body of valve body, sealing and fixing, place flap in the valve body, be fixed on the valve shaft of flap upper end, the cylinder body of oil hydraulic cylinder, place piston, the cylinder cap of sealing and fixing on cylinder body in the oil hydraulic cylinder; The cylinder body sealing and fixing of oil hydraulic cylinder is on valve gap; Valve shaft passes valve gap and extend in the oil hydraulic cylinder, piston is fixed on the upper end of valve shaft, top at valve shaft is fixed with extension shaft, extension shaft passes the cylinder cap of cylinder body, be fixed with tested in the upper end of extension shaft, on the cylinder cap of valve body, be fixed with near switch bracket, the different vertical height place near switch bracket be fixed with cooperate with tested on approach signal switch and following approach signal switch, last approach signal switch is electrically connected with central control room with following approach signal switch.
Since show valve opening and the telltale of closing be installed in the piston cylinder and the valve body outside near switch, improve greatly near the working environment of switch, therefore near the switch working stability, be not easy to produce fault.On the extension shaft that tested is directly installed on valve shaft, simple in structure.
When valve closing, piston drives extension shaft, tested and moves downward the valve closing position, this moment tested position just near down near switch, sends electrical signal near switch down, give central control room, central control room shows valve closing;
When valve opening, piston drives extension shaft, tested and moves upward to the valve opening position, this moment tested position just near last near switch, go up and send electrical signal near switch, give central control room, central control room shows valve opening.
As improvement, be provided with the shoulder hole concentric in the cylinder cap upper end with cylinder cap, XY seal ring, dust cover are installed in shoulder hole, extension shaft passes XY seal ring, dust cover, and the dust cover lower end compresses the XY seal ring and is fixed on the cylinder cap.Dust cover can prevent that dust from entering cylinder; Select for use the rubber and plastic axle better than O-ring seals with the XY seal ring, when axle is reciprocating, produces friction and cause wearing and tearing, O-ring seals is not mended and is tasted, and axle can be mended automatically with the XY seal ring and taste, and has improved the life-span.
As further improvement, between dust cover and extension shaft, be provided with oil-impregnated bearing, oil-impregnated bearing has reduced the friction of extension shaft, makes the extension shaft to-and-fro motion more flexible.
As further improvement, between dust cover and extension shaft, be provided with wiper of rubber, prevented that fouls such as dust and sand grains from entering, and causes the damage of extension shaft.
Improvement as another mode, be welded with end difference in the lower end near extension shaft, be provided with first shrinkage pool in the upper end of valve shaft, the lower end of extension shaft is stretched in first shrinkage pool, also be provided with nut, nut is kept out on the end difference of extension shaft and is fixed on the upper end locking extension shaft of valve shaft.Extension shaft is installed on the valve shaft, reduces processing cost.Processing one aperture cooperates with extension shaft on valve shaft, adds on extension shaft and tops bar, and utilizes the damping nut check extension shaft on the valve shaft.Method with welding is reprocessed after step is soldered to extension shaft, has reduced processing cost, has improved machining accuracy.
As the improvement of another kind of mode, on tested, be provided with U type piece, support is an angle steel, the U-shaped groove of U type piece cooperates with a limit of angle steel.U type piece generally is fixed by welding on tested; Support is generally selected unequal angle for use, has not only strengthened intensity but also can cooperate with tested U-shaped piece, and so just can limit tested only does upper and lower motion, can not rotate.
Common improvement as such scheme is fixed with the damping cover on valve shaft, the damping cover be positioned at piston below; Shaft core position in the upper end portion of valve gap is provided with second shrinkage pool that cooperates with the damping cover, and the external diameter that damping is overlapped is less than the internal diameter of second shrinkage pool.
Utilize the press water of tap water pipe network be connected to valve on, following water inlet, when valve closing, press water water inlet from the cylinder cap enters, piston drives valve rod, the damping cover, flap moves downward fast, when damping covers into second shrinkage pool on the valve gap because the water in second shrinkage pool can only be along the radial gap discharge of the damping cover and second shrinkage pool, because the water exhaust port in second shrinkage pool becomes very little suddenly, will produce the very big resistance that makes progress to the lower end surface of damping cover, piston drives valve rod, the damping cover, flap moves downward speed to be reduced greatly, make flap slowly contact valve body and make valve closing, because flap is slow the contact with valve body when closing, avoided the impact of flap to valve body, just avoid water hammer, reduced wearing and tearing.
As further improvement, the soil discharging valve that surges also comprises first seal ring, press table; Be provided with first bulge loop concentric in the upper-end surface of first seal ring, be provided with second bulge loop concentric in the lower end surface of first seal ring with first seal ring with first seal ring; Be provided with three bulge loop concentric in the lower end of flap, be provided with first annular groove in the periphery of the 3rd bulge loop with flap; On the upper-end surface of press table, be provided with second annular groove concentric with press table; First seal ring be installed in flap below, press table is installed in the following of first seal ring and is fixed on the flap; Be provided with the recessed through hole of the taper that cooperates with first seal ring, press table in the bottom of valve body.。
This flap structure, resistance is little when flap rising and descending motion; When the flap sealed valve body, be difficult for residual slip between flap and valve body, the good sealing effect of flap and valve body; This ring structure has radial and axial sealing effect, and sealability is better.
As further improving again, on valve gap, be provided with guide sleeve, between guide sleeve and valve shaft, be provided with second seal ring, be provided with the 3rd seal ring at guide sleeve and valve cover chamber.The wearing and tearing of resistance when guide sleeve can reduce the valve shaft motion and minimizing valve shaft.
As further improving again, be provided with end difference in the lower end of valve shaft, gland is installed on end difference, gland is fixed on the flap; This means of fixation makes flap be fixed on convenient, fixation on the valve shaft.The flap central hollow, gravity alleviates, and can reduce the manufacture cost of flap and reduce the power that needs when flap moves up and down.
The utility model has the advantages that, owing to telltale is installed in outside valve body and the oil hydraulic cylinder, the good work environment of telltale, telltale is easy break-down not, and simple in structure.
Description of drawings
Fig. 1 is the cross-sectional schematic of the present invention from the valve body shaft core position.
Fig. 2 is the schematic perspective view near switch bracket of the present utility model.
Fig. 3 is a schematic perspective view of the present utility model tested.
Embodiment
As Fig. 1, a kind of soil discharging valve that surges, comprise valve body 11, be fixed on valve gap 10 on the valve body 11, place flap 19 in the valve body 11, be fixed on the valve shaft 15 of flap 19 upper ends by nut 26, stud 27, the cylinder body 7 of oil hydraulic cylinder, place piston 8 in the oil hydraulic cylinder, by seal ring 6, hexagon nut 2, the cylinder cap 5 of stud 3 sealing and fixing on cylinder body 7; Cylinder body 7 sealing and fixing of oil hydraulic cylinder are on valve gap 10; Valve shaft 15 passes valve gap 10 and extend in the oil hydraulic cylinder, and piston 8 is fixed on the upper end of valve shaft 15.
As Fig. 1, Fig. 2, shown in Figure 3, be fixed on the extension shaft 34 on the valve shaft 15.Be welded with end difference 46 in lower end near extension shaft 34, be provided with first shrinkage pool in the upper end of valve shaft 15, the lower end of extension shaft 34 is fixed in first shrinkage pool, also be provided with damping nut 33, damping nut 33 is kept out on the end difference 46 of extension shaft 34 and is fixed on the upper end locking extension shaft 34 of valve shaft 15.Extension shaft 34 passes the cylinder cap 5 of cylinder body 7, is fixed with tested 40 in the upper end of extension shaft 34, is provided with the fixed hole 47 of extension shaft 34 on tested 40.On tested, be fixed with U type piece 41.Be fixed with near switch bracket 1 on the cylinder cap 5 of valve body 11, support 1 is a unequal angle.The minor face 50 of support 1 places in the U type groove of U type piece 41.Be provided with mounting hole 48, mounting hole 49 at different vertical height place near switch bracket 1, the following approach signal switch 24 that cooperates with tested 40 is installed near on the switch bracket 1 by mounting hole 48, and the last approach signal switch 23 that cooperates with tested 40 is installed on switch bracket 1 by mounting hole 49.Last approach signal switch 23 and following approach signal switch 24 and central control room (not shown) are electrically connected.
As shown in Figure 1, be provided with the shoulder hole concentric with cylinder cap 5 in cylinder cap 5 upper ends, XY seal ring 35, dust cover 37 are installed in shoulder hole, and extension shaft 34 passes XY seal ring 35, dust cover 37, and dust cover 37 lower ends compress XY seal ring 35 and are fixed on the cylinder cap 5 by screw 38.Be provided with oil-impregnated bearing 36, wiper of rubber 39 at dust cover 37 and 34 of extension shafts.
As shown in Figure 1, on valve shaft 15, also be fixed with damping cover 31, damping cover 31 be positioned at piston 8 below; Shaft core position in the upper end portion of valve gap 10 is provided with and damping cover 31 second shrinkage pools 25 that cooperate, and 31 the external diameter internal diameter less than second shrinkage pool 25 is overlapped in damping.
As shown in Figure 1, on valve gap 10, be provided with guide sleeve 30, be provided with second seal ring 29, dust ring 14 at guide sleeve 30 and 15 of valve shafts, be provided with the 3rd seal ring 12 at guide sleeve 30 and 10 of valve gaps, guide sleeve 30 is fixed on the valve gap 10 by fluting awl end Cock screw 13.
As shown in Figure 1, be provided with end difference 42 in the lower end of valve shaft 15, end difference 42 is for splitting annulus.Gland 28 is installed on end difference 42, and gland 28 is fixed on the flap 19 by bolt 16, spring washer 17.
As shown in Figure 1, the soil discharging valve that surges also comprises first seal ring 20, press table 22; Be provided with first bulge loop 4 concentric in the upper-end surface of first seal ring 20, be provided with second bulge loop 12 concentric in the lower end surface of first seal ring 20 with first seal ring 20 with first seal ring 20; Be provided with three bulge loop 32 concentric in the lower end of flap 19, be provided with first annular groove 43 in the periphery of the 3rd bulge loop 32 with flap 19; On the upper-end surface of press table 22, be provided with second annular groove 44 concentric with press table 22; First seal ring 20 be installed in flap 19 below, press table 22 is installed in the following of first seal ring 20 and is fixed on the flap 19 by screw 21; Be provided with the recessed through hole of taper that cooperates with first seal ring 20, press table 22 in the bottom of valve body 11.
Claims (10)
1. soil discharging valve that surges comprises valve gap on valve body of valve body, sealing and fixing, places flap in the valve body, is fixed on the valve shaft of flap upper end, the cylinder body of oil hydraulic cylinder, places piston, the cylinder cap of sealing and fixing on cylinder body in the oil hydraulic cylinder; The cylinder body sealing and fixing of oil hydraulic cylinder is on valve gap; Valve shaft passes valve gap and extend in the oil hydraulic cylinder, piston is fixed on the upper end of valve shaft, it is characterized in that: the top at valve shaft is fixed with extension shaft, extension shaft passes the cylinder cap of cylinder body, be fixed with tested in the upper end of extension shaft, on the cylinder cap of valve body, be fixed with near switch bracket, the different vertical height place near switch bracket be fixed with cooperate with tested on approach signal switch and following approach signal switch, last approach signal switch is electrically connected with central control room with following approach signal switch.
2. a kind of soil discharging valve that surges as claimed in claim 1, it is characterized in that: be provided with the shoulder hole concentric with cylinder cap in the cylinder cap upper end, XY seal ring, dust cover are installed in shoulder hole, and extension shaft passes XY seal ring, dust cover, and the dust cover lower end compresses the XY seal ring and is fixed on the cylinder cap.
3. a kind of soil discharging valve that surges as claimed in claim 2 is characterized in that: be provided with oil-impregnated bearing between dust cover and extension shaft.
4. a kind of soil discharging valve that surges as claimed in claim 3 is characterized in that: be provided with wiper of rubber between dust cover and extension shaft.
5. a kind of soil discharging valve that surges as claimed in claim 1, it is characterized in that: be welded with end difference in lower end near extension shaft, be provided with first shrinkage pool in the upper end of valve shaft, the lower end of extension shaft is stretched in first shrinkage pool, also be provided with nut, nut is kept out on the end difference of extension shaft and is fixed on the upper end locking extension shaft of valve shaft.
6. a kind of soil discharging valve that surges as claimed in claim 1 is characterized in that: be provided with U type piece on tested, support is an angle steel, and the U-shaped groove of U type piece cooperates with a limit of angle steel.
7. as any described a kind of soil discharging valve that surges of claim 1 to 6, it is characterized in that: on valve shaft, be fixed with the damping cover, the damping cover be positioned at piston below; Shaft core position in the upper end portion of valve gap is provided with second shrinkage pool that cooperates with the damping cover, and the external diameter that damping is overlapped is less than the internal diameter of second shrinkage pool.
8. a kind of soil discharging valve that surges as claimed in claim 7 is characterized in that: also comprise first seal ring, press table; Be provided with first bulge loop concentric in the upper-end surface of first seal ring, be provided with second bulge loop concentric in the lower end surface of first seal ring with first seal ring with first seal ring; Be provided with three bulge loop concentric in the lower end of flap, be provided with first annular groove in the periphery of the 3rd bulge loop with flap; On the upper-end surface of press table, be provided with second annular groove concentric with press table; First seal ring be installed in flap below, press table is installed in the following of first seal ring and is fixed on the flap; Be provided with the recessed through hole of the taper that cooperates with first seal ring, press table in the bottom of valve body.
9. a kind of soil discharging valve that surges as claimed in claim 7 is characterized in that: be provided with guide sleeve on valve gap, be provided with second seal ring between guide sleeve and valve shaft, be provided with the 3rd seal ring at guide sleeve and valve cover chamber.
10. a kind of soil discharging valve that surges as claimed in claim 7, it is characterized in that: the lower end at valve shaft is provided with end difference, and gland is installed on end difference, and gland is fixed on the flap; The flap central hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200610859U CN201539574U (en) | 2009-07-23 | 2009-07-23 | Hydraulic mud valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200610859U CN201539574U (en) | 2009-07-23 | 2009-07-23 | Hydraulic mud valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201539574U true CN201539574U (en) | 2010-08-04 |
Family
ID=42591026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200610859U Expired - Fee Related CN201539574U (en) | 2009-07-23 | 2009-07-23 | Hydraulic mud valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201539574U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090026A (en) * | 2011-11-08 | 2013-05-08 | 安徽铜都阀门股份有限公司 | Self-purification vertical type sewage automatic-control valve |
| CN110345301A (en) * | 2019-07-30 | 2019-10-18 | 中信戴卡股份有限公司 | A kind of bottom quantifies mud valve |
| CN114215926A (en) * | 2022-02-21 | 2022-03-22 | 广东永泉阀门科技有限公司 | Water attack-resistant micro-resistance type intelligent adjusting water pump control valve and control method thereof |
-
2009
- 2009-07-23 CN CN2009200610859U patent/CN201539574U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090026A (en) * | 2011-11-08 | 2013-05-08 | 安徽铜都阀门股份有限公司 | Self-purification vertical type sewage automatic-control valve |
| CN103090026B (en) * | 2011-11-08 | 2014-12-24 | 安徽铜都阀门股份有限公司 | Self-purification vertical type sewage automatic-control valve |
| CN110345301A (en) * | 2019-07-30 | 2019-10-18 | 中信戴卡股份有限公司 | A kind of bottom quantifies mud valve |
| CN110345301B (en) * | 2019-07-30 | 2024-03-15 | 中信戴卡股份有限公司 | Quantitative mud valve at bottom of case |
| CN114215926A (en) * | 2022-02-21 | 2022-03-22 | 广东永泉阀门科技有限公司 | Water attack-resistant micro-resistance type intelligent adjusting water pump control valve and control method thereof |
| CN114215926B (en) * | 2022-02-21 | 2022-06-03 | 广东永泉阀门科技有限公司 | Control method of water attack-resistant micro-resistance type intelligent regulating water pump control valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201215073Y (en) | Hydraulic profile control and water shutoff pump | |
| CN201539574U (en) | Hydraulic mud valve | |
| CN202327267U (en) | Vacuum breaker valve | |
| CN100501210C (en) | Abrasion-proof hard seal metal ball valve | |
| CN203453513U (en) | Novel external balance stop valve | |
| CN202990856U (en) | Bottom ultrahigh-pressure pulse jet assisted rock-breaking speed-increasing system | |
| CN205026191U (en) | Normal close formula ball -cock assembly | |
| CN201517615U (en) | Buffering type hydraulic mud valve | |
| CN102454360B (en) | Hydraulic jet impacter | |
| CN106089663A (en) | Continuous two-way lifting oil pump | |
| CN102865378B (en) | Anti-scouring stop valve | |
| CN102128037A (en) | Plug-in mounting stand column hydraulic control one-way valve | |
| CN201526725U (en) | Pneumatic control valve | |
| CN201358975Y (en) | Novel hydraulic cylinder | |
| CN1327153C (en) | Two speed hydraulic cylinder for valve | |
| CN108239978B (en) | Differential hydraulic pile hammer | |
| CN201982121U (en) | Plug-in type pillar hydraulic control one-way valve | |
| CN207131373U (en) | Board-like float valve | |
| CN201358976Y (en) | Novel two-way hydraulic cylinder | |
| CN201358977Y (en) | Novel hydraulic cylinder | |
| CN204961927U (en) | Swing check valve that structure is succinct | |
| CN104235475A (en) | Kingston valve | |
| CN203603843U (en) | Well mouth check valve of water injection well | |
| CN208706386U (en) | Metal bellow oil conservator protective device | |
| CN202914309U (en) | Sealing device for shaft extension part of direct drive motor of screw pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20130723 |