CN2604581Y - Plunger micro-differential pressure high pressure direct-through valve - Google Patents
Plunger micro-differential pressure high pressure direct-through valve Download PDFInfo
- Publication number
- CN2604581Y CN2604581Y CN 02286732 CN02286732U CN2604581Y CN 2604581 Y CN2604581 Y CN 2604581Y CN 02286732 CN02286732 CN 02286732 CN 02286732 U CN02286732 U CN 02286732U CN 2604581 Y CN2604581 Y CN 2604581Y
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- valve
- flap
- intake pipe
- seal ring
- wall
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Abstract
The utility model relates to a plunger type of high pressure throughway valve with micro differential pressure used for the industries of water transmission, city pipe net, petroleum, chemical engineering and long distant pipeline. The utility model is characterized in that: the whole body is in line; a valve clack 7 which can move up and down is positioned between the valve body and an inlet; two groups of seal rings 5 are positioned between two walls of the valve body 3 and the valve clack 7, seal rings 5 are positioned on the outer wall of the inlet 14, a pressure relief chamber 22 is positioned between the inlet and the valve clack, and a through hole 17 is positioned on the pipe wall of the valve clack 7 below the pressure relief chamber, which make the pressure of the upper side of the valve and the lower side of the valve equal, so the opening force is smaller; a baffle 14 is used to reduce the damage due to pressing; a model T-shaped or stepped seal element is used to promote pressure, lengthen life, and avoid the drop, emission, seepage and leakage phenomena.
Description
The utility model is the straight-through valve of a kind of novel plunger-type minute-pressure difference high pressure, is used for water delivery, urban pipe network, industries such as oil, chemical industry and long distance line.
At present existing all kinds of straight-through high pressure valves are T type structure (as Fig. 6) substantially, and volume is big, complex structure, heaviness, put for the shop of pipeline and have brought very big inconvenience.The principle of existing its sealing of high pressure valve is substantially as Fig. 6, on flap or valve body, be embedded with sealing material, utilize the tapering of flap and valve body to come the crush seal material, this structure, sealing material is squeezed, be out of shape very big, so the life-span is very low, so existing high pressure valve is often with in various degree the phenomenon of dripping, ooze, leaking; Be to realize its sealing effect when closing by very big extruding force, and with very big counterpressure, so in the process of opening and closing, time-consuming, effort.
The utility model provides a kind of plunger type minute-pressure difference high pressure simple in structure, that switch convenient, the sealing reliable, pressurize is effective straight-through valve at the shortcoming and defect of above-mentioned prior art.
Technical solutions of the utility model are: mainly comprise valve body (3), flap (7), intake pipe (14), outlet pipe flange (1), handle or worm gear (11) transmission device, deflector (4), valve gap (9), it is characterized in that: the flap (7) that is installed between the inwall of intake pipe outer wall and valve body is the up big and down small stepped shaft tubulose of inside and outside wall pipe diameter, also be provided with the step that matches with the interior pipe step on flap (7) top at intake pipe (14) bottom outer tube wall accordingly, just form a pressure-releasing cavity (22) like this between step and the step, have some through holes longitudinally (17) on the step place of flap (7) bottom tube wall, the fluid in the pressure-releasing cavity (22) is by through hole (17) and the interior fluid communication of outlet pipe flange (1); The top outer tube wall of flap (7) body is provided with the screw thread (16) that matches with internal thread on handle or the worm gear, and have several and swing to groove (15) longitudinally being provided with the screw thread place, corresponding valve gap (9) is provided with groove (21), the top tube wall that has several flaps of swinging to groove (15) longitudinally (7) can be passed through in groove (21), flap (7) is not only rotated along sliding up and down between inwall two walls of intake pipe outer wall and valve body; Between the pipe outer wall of intake pipe bottom and flap lower tube inwall, be provided with two groups of seal rings (5) up and down, every group has more than one seal ring, seal ring adopt T type or ladder-type seal ring all can: if adopt the T RunddichtringO, its seal groove is located on intake pipe (14) outer tube wall, if adopt the ladder-type seal ring, seal groove is located on flap (7) inwall, and the position of seal ring (5) is: seal ring is positioned at intake pipe water outlet (19) both sides during valve closing; The inner tubal wall place of matching, step top at intake pipe (14) step top outer tube wall and flap (7) is provided with one group of seal ring (8), is provided with seal ring (6) between valve body (3) inner tubal wall and flap (7) outer tube wall; Be provided with paddle hole or groove (19) and (20) on the tube wall on intake pipe (14) bottom and outlet pipe flange (1) top, on the inwall between the turnover water pipe (1,14) refluence body (4) be housed, the both sides of refluence body (4) are coniform.
The utility model compared with prior art has following advantage: 1, the seal ring of the utility model employing is the seal ring of Novel T-shaped or ladder-type, its structure such as Fig. 4, shown in Figure 5ly be divided into two parts: the inside is the O RunddichtringO, the outside be special plastic, the seal ring of this structure can play good sealing effect, under high pressure (65MP), the long-time interior phenomenon of dripping, emitting, ooze, leaking of not having.The special plastic surface finishment of the inside is very high, and wear resistance and sealing are fine, thus can bear very high pressure, and do not have extrusion-deformation, so the life-span is long.2, form a pressure-releasing cavity (22) between flap inner tubal wall step and the intake pipe step, fluid in the pressure-releasing cavity is by the through hole (17) and the interior fluid communication of outlet pipe flange (1) of flap tube wall, like this, flap step place is the pressure balance at two ends up and down, when opening or closing, do not produce back pressure, so that valve opens Guan Liye is very little, it is rapidly convenient to open or close.3, between intake pipe (14) and the outlet pipe flange (1) deflector (4) is arranged, be installed in the tube wall on top of the bottom of intake pipe and outlet pipe, play direct fluid, reduce the purpose of crushing.Advantage such as this valve reliable operation, rational in infrastructure, long service life in addition.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is that seal ring (5) is installed in first kind on valve on intake pipe (14) the lower tube outer wall
The example structure schematic representation.
Fig. 2 is that seal ring (5) is installed in the second kind of example structure schematic representation of valve on flap (7) the lower tube inwall.
Fig. 3 is the sectional view of the A-A direction of Fig. 1 or Fig. 2.
Fig. 4 is stepped sealed coil structures figure.
Fig. 5 is a T RunddichtringO structural drawing.
Fig. 6 is a high pressure valve embodiment's of the prior art structural representation.
Among Fig. 1: 1, outlet pipe flange 2, seal ring, water outlet flange 3, valve body 4, deflector 5, ladder-type seal ring or T RunddichtringO 6, T RunddichtringO 7, flap 8, T RunddichtringO 9, valve gap 10, flat thrust-bearing 11, handle or worm gear 12, handle block 13, water intake flange 14, intake pipe 15, swing to groove 16, screw thread 17 on the flap, through hole 18 on the flap, seal groove 19, intake pipe water outlet or groove 20, outlet pipe water intake or groove 21, groove 22, pressure-releasing cavity 23, O RunddichtringO 24, special plastic
As Fig. 1, Fig. 2 and shown in Figure 3, the straight-through high pressure valve of plunger type of the present utility model mainly comprises valve body (3), flap (7), intake pipe (14), outlet pipe flange (1), handle or worm gear (11) transmission device, deflector (4), valve gap (9), it is characterized in that: the flap (7) that is installed between the inwall of intake pipe outer wall and valve body is the up big and down small stepped shaft tubulose of inside and outside wall pipe diameter, also be provided with the step that matches with the interior pipe step on flap (7) top at intake pipe (14) bottom outer tube wall accordingly, just form a pressure-releasing cavity (22) like this between step and the step, on the step place of flap (7) bottom tube wall, have some longitudinally with the through hole (17) of outlet pipe fluid communication, the fluid in the pressure-releasing cavity (22) is by the fluid communication in through hole (17) and the outlet pipe flange (1); The top outer tube wall of flap (7) body is provided with the screw thread (16) that matches with internal thread on handle or the worm gear, and have several and swing to groove (15) longitudinally being provided with the screw thread place, corresponding valve gap (9) is provided with groove (21), the top tube wall that has several flaps of swinging to groove (15) longitudinally (7) can be passed through in groove (21), flap (7) is not only rotated along sliding up and down between inwall two walls of intake pipe (14) outer wall and valve body (3); Between the pipe outer wall of intake pipe bottom and flap (7) lower tube inwall, be provided with two groups of seal rings (5) up and down, every group has more than one seal ring, seal ring adopt T type or ladder-type seal ring all can: if adopt the T RunddichtringO, its seal groove (18) is located on intake pipe (14) outer tube wall (as shown in Figure 1), if adopt the ladder-type seal ring, seal groove (18) is located on flap (7) inwall (as shown in Figure 2), and the position of seal ring (5) is: seal ring during valve closing (5) is positioned at intake pipe water outlet (19) both sides; The inner tubal wall place of matching, step top at intake pipe (14) step top outer tube wall and flap (7) is provided with one group of seal ring (8), is provided with seal ring (6) between valve body (3) inner tubal wall and flap (7) outer tube wall; Be provided with out water inlet or groove (19) and (20) on the tube wall on intake pipe (14) bottom and outlet pipe flange (1) top, on the inwall between the turnover water pipe (1,14) refluence body (4) be housed, the both sides of refluence body (4) are coniform.
The straight-through valve of described a kind of plunger type minute-pressure difference high pressure is characterized in that: the driving mechanism of the straight-through valve of plunger type minute-pressure difference high pressure can be screw thread transmission such as Fig. 1, and also available worm gear, worm mechanism replace.
The straight-through valve of described a kind of plunger type minute-pressure difference high pressure is characterized in that: at the handle of the straight-through valve of plunger type minute-pressure difference high pressure or the both sides of worm gear (11) a flat thrust-bearing (10) is installed respectively.Because fluid is to flap (7) power that has certain effect, be delivered to accordingly on handle or the worm gear (11), like this, handle or worm gear (11) all exist certain frictional force with valve body (3), handle block (12), adopt flat thrust-bearing (10), reduced the frictional force between them greatly, it is littler to open or close required power.
Be illustrated in figure 4 as stepped sealed circle, its structure inner lane is that special plastic (24), outer ring are O RunddichtringO (23).
Be illustrated in figure 5 as T shape seal ring, its structure is that inner lane is that O RunddichtringO (23), outer ring are special plastic (24).
The seal ring wear resistance and the sealing effect of above-mentioned two kinds of structures are fine, and it is long to bear very high pressure and life-span.
The working principle of the straight-through valve of plunger type minute-pressure difference high pressure:, drive flap (7) by transmission device (screw thread transmission or worm gear, worm drive) and make the switch that slides up and down the realization valve when handle or worm gear (11) rotation.In the present embodiment, the screw-thread fit of the screw thread of handle or worm gear (11) and flap (7) outer tube wall, when handle or worm gear (11) rotation, flap (7) top is provided with the part of cannelure and passes the groove that valve gap (9) cooperates with it, like this flap (7) just can be along intake pipe (14), between intake pipe (14) and valve body (3), move up and down, when flap (7) moves up, valve opening, fluid is flowed into by the water outlet (19) of intake pipe (14), by water inlet (20) outflow of outlet pipe flange (1); When flap (7) moves downward valve closing.Pressure-releasing cavity (22) designs for fear of produce back pressure in the process of opening and closing---when valve opening or when closing, flap moves, the minimizing of the fluid volume in the increase of pressure-releasing cavity (22) inner fluid volume or minimizing and the outlet pipe or increase identical.Like this, the pressure of flap both sides is identical, so the power of opening and closing is very little; At flap (7) and the last seal ring of installing of valve body (3) is novel T type or ladder-type seal ring (its structure such as Fig. 5,6), be divided into two part outsides and be special plastic, wear resistance and sealing effect are fine, so this novel seal ring can bear very high pressure and the life-span is long.Between intake pipe (14) and the outlet pipe flange (1) deflector (4) is arranged, be installed in the tube wall on top of the bottom of intake pipe and outlet pipe, the conical structure of both sides plays direct fluid, reduces the purpose of crushing.
Claims (2)
1, a kind of plunger type minute-pressure difference high pressure leads directly to valve, mainly comprise valve body (3), flap (7), intake pipe (14), outlet pipe flange (1), handle or worm gear (11) transmission device, deflector (4), valve gap (9), it is characterized in that: the flap (7) that is installed between the inwall of intake pipe outer wall and valve body is the up big and down small stepped shaft tubulose of inside and outside wall pipe diameter, also be provided with the step that matches with the interior pipe step on flap (7) top at intake pipe (14) bottom outer tube wall accordingly, just form a pressure-releasing cavity (22) like this between step and the step, on the step place of flap (7) bottom tube wall, have some longitudinally with the through hole (17) of outlet pipe fluid communication; The top outer tube wall of flap (7) body is provided with the screw thread (16) that matches with internal thread on handle or the worm gear, and have several and swing to groove (15) longitudinally being provided with the screw thread place, corresponding valve gap (9) is provided with groove (21), the top tube wall that has several flaps of swinging to groove (15) longitudinally (7) can be passed through in groove (21), flap (7) is not only rotated along sliding up and down between inwall two walls of intake pipe (14) outer wall and valve body (3); Between the pipe outer wall of intake pipe (14) bottom and flap (7) lower tube inwall, be provided with two groups of seal rings (5) up and down, every group has more than one seal ring, seal ring adopt T type or ladder-type seal ring all can: if adopt the T RunddichtringO, its seal groove (18) is located on intake pipe (14) outer tube wall, if adopt the ladder-type seal ring, seal groove (18) is located on flap (7) inwall, and the position of seal ring (5) is: seal ring during valve closing (5) is positioned at intake pipe water outlet (19) both sides; The inner tubal wall place of matching, step top at intake pipe (14) step top outer tube wall and flap (7) is provided with one group of seal ring (8), is provided with seal ring (6) between valve body (3) inner tubal wall and flap (7) outer tube wall; Be provided with out water inlet or groove (19) and (20) on the tube wall on intake pipe (14) bottom and outlet pipe flange (1) top, on the inwall between intake pipe (14), the outlet pipe flange (1) refluence body (4) be housed, the both sides of refluence body (4) are coniform.
2, the straight-through valve of a kind of plunger type minute-pressure difference high pressure according to claim 1 is characterized in that: at the handle of valve or the both sides of worm gear (11) a flat thrust-bearing (10) is installed respectively.Because fluid is to flap (7) power that has certain effect, be delivered to accordingly on handle or the worm gear (11), like this, handle or worm gear (11) all exist certain frictional force with valve body (3), handle block (12), adopt flat thrust-bearing (10), reduced the frictional force between them greatly, it is littler to open or close required power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02286732 CN2604581Y (en) | 2002-11-03 | 2002-11-03 | Plunger micro-differential pressure high pressure direct-through valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02286732 CN2604581Y (en) | 2002-11-03 | 2002-11-03 | Plunger micro-differential pressure high pressure direct-through valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2604581Y true CN2604581Y (en) | 2004-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02286732 Expired - Fee Related CN2604581Y (en) | 2002-11-03 | 2002-11-03 | Plunger micro-differential pressure high pressure direct-through valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2604581Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387232A (en) * | 2015-12-09 | 2016-03-09 | 梁日成 | Sliding type valve element |
-
2002
- 2002-11-03 CN CN 02286732 patent/CN2604581Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387232A (en) * | 2015-12-09 | 2016-03-09 | 梁日成 | Sliding type valve element |
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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: 20040225 Termination date: 20101103 |