CN204176065U - A kind of flow automatic control device - Google Patents
A kind of flow automatic control device Download PDFInfo
- Publication number
- CN204176065U CN204176065U CN201420578143.6U CN201420578143U CN204176065U CN 204176065 U CN204176065 U CN 204176065U CN 201420578143 U CN201420578143 U CN 201420578143U CN 204176065 U CN204176065 U CN 204176065U
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- emery wheel
- valve
- hole
- quiet
- dynamic
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Abstract
The utility model discloses a kind of flow automatic control device, include emery wheel modulating valve and magnetoelectric flowmeter, described magnetoelectric flowmeter includes testing pipes, emery wheel modulating valve includes valve body, valve gap, valve rod, emery wheel mechanism and valve rod rotating drive mechanism, emery wheel mechanism comprises the dynamic emery wheel and quiet emery wheel that cooperatively interact, also comprise emery wheel lubricating structure, the center, lower end surface of described quiet emery wheel is provided with hole, lubricant center, the upper surface that described quiet emery wheel is relative with dynamic emery wheel is provided with the annular oil groove being positioned at quiet emery wheel through hole periphery, the oil transportation channel being communicated with annular oil groove and hole, lubricant center is provided with in this quiet emery wheel, described valve body is fixedly installed oiling connecting tube relative to the below of quiet emery wheel, the inner sealing grafting of this oiling connecting tube is positioned in the hole, lubricant center of quiet emery wheel, described oiling connecting tube is arranged the filler opening be used for oiling connecting tube fuel feeding.The utility model has the advantages that reduce wearing and tearing between sound emery wheel, running precision is high, more steadily, long service life.
Description
Technical field
The utility model relates to a kind of flow automatic control device.
Background technique
Flow automatic control device is integrated in one at flowmeter, modulating valve and actuator and intelligent control, the metering of flow fine adjustment can be automatically carried out in very wide range of flow, user can according to actual demand flow value, automatic adjustment remains that the flow of setting is constant, greatly reduces artificial labor intensity.
Existing flow automatic control device is as shown in Chinese ZL201220020911.7, include modulating valve, actuator and magnetoelectric flowmeter etc., the outlet end of the testing pipes of magnetoelectric flowmeter is connected with the valve body inlet pipeline of modulating valve, described modulating valve includes valve body, valve rod, emery wheel, emery wheel comprises the dynamic emery wheel and quiet emery wheel that cooperatively interact, passage on described dynamic emery wheel and the inlet passage conducting of valve body, passage on quiet emery wheel and the outlet passage conducting on valve body, valve rod drives dynamic emery wheel to rotate and realizes dynamic relatively rotating between emery wheel and quiet emery wheel, thus the through hole realized on dynamic emery wheel and the through hole on quiet emery wheel are misplacing completely and are switching between conducting completely.
But there is following defect in the emery wheel modulating valve of this traditional flow automatic control device:
There are wearing and tearing in the opposing side of in use dynamic emery wheel and quiet emery wheel, not only have impact on the Flow-rate adjustment precision of emery wheel modulating valve, and also result in and decline working life.
Summary of the invention
The purpose of this utility model is the shortcoming and defect existed to overcome prior art, and provides one on emery wheel modulating valve, arrange emery wheel lubricating structure, thus weares and teares between minimizing sound emery wheel, improves the flow automatic control device of Flow-rate adjustment precision.
For achieving the above object, the technical solution of the utility model includes emery wheel modulating valve and magnetoelectric flowmeter, described magnetoelectric flowmeter includes testing pipes, described emery wheel modulating valve includes valve body, valve gap, valve rod, emery wheel mechanism and valve rod rotating drive mechanism, emery wheel mechanism comprises the dynamic emery wheel and quiet emery wheel that cooperatively interact, described valve body arranges inlet pipeline, outlet conduit and the center-aisle connected between inlet pipeline and outlet conduit, described testing pipes is connected setting with inlet pipeline input, described quiet emery wheel is fixedly installed on center-aisle, the top being arranged at quiet emery wheel is rotated in described dynamic emery wheel laminating, and described valve rod and dynamic emery wheel drive to connect and coordinate, described dynamic emery wheel is provided with a pair centrosymmetric dynamic emery wheel through hole, described quiet emery wheel is provided with and a pair of the corresponding cooperation of dynamic emery wheel through hole centrosymmetric quiet emery wheel through hole, the upper end of dynamic emery wheel through hole is communicated with outlet conduit, the lower end of dynamic emery wheel through hole is communicated with inlet pipeline, valve rod drives dynamic emery wheel to rotate and realizes dynamic relatively rotating between emery wheel and quiet emery wheel, thus the dynamic emery wheel through hole of realization and quiet emery wheel through hole are misplacing completely and are switching between conducting completely, it is characterized in that: also comprise emery wheel lubricating structure, the center, lower end surface of described quiet emery wheel is provided with hole, lubricant center, the upper surface that described quiet emery wheel is relative with dynamic emery wheel is provided with the annular oil groove being positioned at quiet emery wheel through hole periphery, the oil transportation channel being communicated with annular oil groove and hole, lubricant center is provided with in this quiet emery wheel, described valve body is fixedly installed oiling connecting tube relative to the below of quiet emery wheel, the inner sealing grafting of this oiling connecting tube is positioned in the hole, lubricant center of quiet emery wheel, described oiling connecting tube is arranged the filler opening be used for oiling connecting tube fuel feeding.
By this setting, emery wheel lubricating structure is set, by the lubricant center hole oiling of oiling connecting tube to quiet emery wheel, lubricant oil is made to enter into annular oil groove from hole, lubricant center, oil transportation channel, thus make the opposing side between dynamic emery wheel and quiet emery wheel be in lubricating status all the time, the wearing and tearing of both minimizings, form oil film in the lubricant oil process that dynamic emery wheel rotates again simultaneously, improve the sealing effect between quiet emery wheel and dynamic emery wheel.
Further setting is that described valve body is fixedly installed and the oil feed non-return valve to filler opening direction one-way conduction, interior end interface and the filler opening of oil feed non-return valve seal fuel feeding and connect, and the outer side interface removable seal of this oil feed non-return valve is fixedly installed oil storage cup.By this setting, when annular oil groove inner oil shortage, the pressure reduction of oil feed non-return valve both sides is utilized to increase, the unidirectional unlatching of oil feed non-return valve, lubricant oil in oil storage cup can constantly add in annular oil groove, keeps dynamic opposing side between emery wheel and quiet emery wheel to be in lubricating status all the time.
Further setting is that the cross-sectional profiles line of described quiet emery wheel through hole is spliced successively by multistage arc, and the quiet emery wheel through hole be somebody's turn to do includes the relatively large quiet emery wheel large discharge district of sectional area and the relatively little quiet emery wheel small flow district of cross section, described dynamic emery wheel through hole identical with described quiet emery wheel shape of through holes and up and down Mirror Symmetry arranges, the Flow characteristics between described quiet emery wheel through hole and dynamic emery wheel through hole is: in the circumferential rotation process of dynamic emery wheel, have equal percentage flow characteristic.By this setting, sound emery wheel through hole is arranged to above-mentioned equal percentage flow characteristic, the relative travel of equal percentage characteristics and relative discharge do not form straight line relation, and the flow that the change of the flow namely on the every bit of stroke caused by per stroke change is put therewith is directly proportional, and the percentage of changes in flow rate is equal, so its advantage is flow hour, changes in flow rate is little, and when flow is large, then changes in flow rate is large, namely in different opening, there is identical degree of regulation.Therefore, realize in the change of flow hour flow also little, regulating action relaxes steadily; When flow is large. the change of flow is also large, and regulating action is sensitive and effective; That is, in different opening, there is identical degree of regulation.
Further setting is relative to being fixedly installed the valve stem seal seat coordinated with valve stem seal outside valve rod in described valve body, the interior angle place, upper end of this valve stem seal seat is provided with annular shoulder, be fixedly installed thrust-bearing between described annular shoulder and valve gap, interior edge face and the valve rod of this thrust-bearing rotate to connect and coordinate.The rotating support of the valve rod of traditional emery wheel modulating valve is all coordinated by copper bush, and lining is also the vital part of emery wheel modulating valve, affects the normal operation of emery wheel after liner wear, under the state having thrust load, especially, when valve rod is in operation from liquid medium axial pressure, bush end face is is more easily worn and torn, by this setting, change copper bush into thrust-bearing, very well solve this problem above-mentioned, meanwhile, running precision is high, more steady, long service life.
Further setting is provided with non-return filtering mechanism between testing pipes and inlet pipeline, and this non-return filtering mechanism includes from testing pipes to the one-way valve of inlet pipeline one-way conduction and and is arranged at the filter core in liquid feeding end direction of one-way valve.By this setting; set up one-way valve; when oil well internal pressure is excessive; prevent liquid medium from flowing backwards from modulating valve to magnetoelectric flowmeter; improve flow measurement precision, in addition filter core is set in the liquid feeding end direction of one-way valve, prevent the impurity in liquid medium from entering modulating valve; protection emery wheel is not damaged, improves its working life.
Further setting is that described one-way valve includes check valve body, nonreturn valve core, valve core reseting spring and one-way valve base, one-way valve runner and the one-way valve seat being arranged at one-way valve tunnel inlets side is provided with in described check valve body, described one-way valve base is fixedly installed on the one-way valve runner exit side of check valve body, this one-way valve base is provided with the base runner communicated with one-way valve runner, described one-way valve base center is provided with slippage cylinder, the outer end slippage of described nonreturn valve core is arranged in slippage cylinder, and the inner of this nonreturn valve core forms the one-way sealing pair be sealed and matched with one-way valve seat, described valve core reseting spring is arranged in slippage cylinder, the two ends of this valve core reseting spring abut with nonreturn valve core and the effect of one-way valve base respectively.
Further setting is that described one-way valve base is fixed in check valve body by fastening screw trip bolt.
Further setting be the outlet side relative to one-way valve seat of described check valve body outer wall on be provided with multiple flow through hole.
Further setting is described filter core is taper filter core, and the bottom of this taper filter core is fixedly installed on outside the entrance point of check valve body, and this taper filter core arranges multiple contaminant filter hole.
Below in conjunction with specification drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 the utility model embodiment 1 structural representation;
Fig. 2 the utility model emery wheel regulating valve structure schematic diagram;
Fig. 3 is the A-A sectional view of Fig. 2;
The quiet wheel structure schematic diagram of Fig. 4 the utility model;
Fig. 5 is the B-B sectional view of Fig. 4;
Fig. 6 is that the B of Fig. 5 is to schematic diagram;
Fig. 7 is the profile enlarged view of quiet emery wheel through hole;
Fig. 8 the utility model embodiment 1 non-return filtering mechanism structure schematic diagram;
Fig. 9 is the utility model embodiment 2 structural representation.
Embodiment
Below by embodiment, the utility model is specifically described; only for being further described the utility model; can not be interpreted as the restriction to the utility model protection domain, the technician in this field can make some nonessential improvement and adjustment according to the content of above-mentioned model utility to the utility model.
embodiment 1
The utility model embodiment 1 as shown in figs. 1-7, include emery wheel modulating valve 1 and magnetoelectric flowmeter 2, described magnetoelectric flowmeter 2 includes testing pipes 21, described emery wheel modulating valve 1 includes valve body 11, valve gap 14, valve rod 15, emery wheel mechanism and valve rod rotating drive mechanism 17, this valve rod rotating drive mechanism 17 of the present embodiment is generally electric actuator and coordinates transmission component 171 to carry out transmission, it is the routine setting of related domain, the present embodiment is no longer described in detail, the present embodiment emery wheel mechanism comprises the dynamic emery wheel 12 and quiet emery wheel 13 that cooperatively interact, described valve body 11 arranges inlet pipeline 111, outlet conduit 112 and the center-aisle 113 connected between inlet pipeline and outlet conduit, described testing pipes 21 is connected setting with inlet pipeline 111 input, described quiet emery wheel 13 is fixedly installed on center-aisle 113, the top being arranged at quiet emery wheel 13 is rotated in described dynamic emery wheel 12 laminating, and described valve rod 15 drives to connect with dynamic emery wheel 12 and coordinates, described dynamic emery wheel 12 is provided with a pair centrosymmetric dynamic emery wheel through hole, described quiet emery wheel 13 is provided with and a pair of the corresponding cooperation of dynamic emery wheel through hole centrosymmetric quiet emery wheel through hole 131, the cross-sectional profiles line of described quiet emery wheel through hole 131 is spliced successively by multistage arc, and the quiet emery wheel through hole 131 be somebody's turn to do includes the relatively large quiet emery wheel large discharge district 1311 of sectional area and the relatively little quiet emery wheel small flow district 1312 of cross section, described dynamic emery wheel through hole identical with described quiet emery wheel through hole 131 shape and up and down Mirror Symmetry arrange, this upper and lower Mirror Symmetry arranges and refers to upper and lower Mirror Symmetry both when dynamic emery wheel 12 forwards the peak rate of flow relation coordinated with quiet emery wheel 13 to.As shown in Figure 7, the shape of this quiet emery wheel through hole is similar to droplet profile under gravity state.In addition, the Flow characteristics between described quiet emery wheel through hole 131 and dynamic emery wheel through hole is: in the circumferential rotation process of dynamic emery wheel 12, have equal percentage flow characteristic.
In addition, the center, lower end surface of the quiet emery wheel 13 described in the present embodiment 1 is provided with hole, lubricant center 132, the upper surface that described quiet emery wheel 13 is relative with dynamic emery wheel 12 is provided with the annular oil groove 133 being positioned at quiet emery wheel 13 through hole periphery, in this quiet emery wheel 12, is provided with the oil transportation channel 134 being communicated with annular oil groove 133 and hole, lubricant center 132.The longitudinal section of the annular oil groove 133 described in the present embodiment is semicircle.
The upper end that the present embodiment 1 moves emery wheel through hole 121 is communicated with outlet conduit 112, the lower end of quiet emery wheel through hole 131 is communicated with inlet pipeline 111, the dynamic emery wheel 12 of valve rod 15 driving rotates and realizes dynamic relatively rotating between emery wheel 12 and quiet emery wheel 13, thus the dynamic emery wheel through hole 121 of realization and quiet emery wheel through hole 131 are misplacing completely and switching between conducting completely.
Valve body 11 described in the present embodiment 1 is fixedly installed oiling connecting tube 181 relative to the below of quiet emery wheel, the inner sealing grafting of this oiling connecting tube 181 is positioned in the hole, lubricant center 132 of quiet emery wheel, described oiling connecting tube 181 is arranged the filler opening 182 be used for oiling connecting tube fuel feeding, described valve body 11 is fixedly installed and the oil feed non-return valve 183 to filler opening direction one-way conduction, the interior end interface of oil feed non-return valve 183 seals fuel feeding with filler opening 182 and connects, and the outer side interface removable seal of this oil feed non-return valve 183 is fixedly installed oil storage cup 184.
In addition, relative to being fixedly installed the valve stem seal seat 191 coordinated with valve stem seal outside valve rod 15 in valve body 11 described in the present embodiment 1, the interior angle place, upper end of this valve stem seal seat 191 is provided with annular shoulder 192, be fixedly installed thrust-bearing 193 between described annular shoulder 192 and valve gap 14, the interior edge face of this thrust-bearing 193 rotates to connect with valve rod 15 and coordinates.
In addition, the testing pipes 21 described in the present embodiment 1 seals docking with inlet pipeline 111 by clip connected part 41 and is connected, and this testing pipes 21 of certain the utility model and inlet pipeline 111 can also adopt other modes such as Flange joint to dock connection.
In addition, non-return filtering mechanism 3 is provided with between the present embodiment testing pipes 21 and inlet pipeline 111, this non-return filtering mechanism 3 include one-way valve from from testing pipes 21 to inlet pipeline one-way conduction 31 and and be arranged at the filter core 32 in liquid feeding end direction of one-way valve 31, filter core 32 described in the present embodiment is taper filter core, the bottom of this taper filter core is fixedly installed on outside the entrance point of check valve body 311, and this taper filter core arranges multiple contaminant filter hole 321.
The utility model one-way valve 31 can adopt the one-way valve of various ways, this one-way valve 31 of the present embodiment includes check valve body 311, nonreturn valve core 312, valve core reseting spring 313 and one-way valve base 314, one-way valve runner 315 and the one-way valve seat 316 being arranged at one-way valve runner 315 import side is provided with in described check valve body 311, the one-way valve runner 315 that described one-way valve base 314 is fixedly installed on check valve body 311 exports side, this one-way valve base 314 is provided with the base runner 3141 communicated with one-way valve runner 315, described one-way valve base 314 center is provided with slippage cylinder 3142, the outer end slippage of described nonreturn valve core 312 is arranged in slippage cylinder 3142, and the inner of this nonreturn valve core 312 forms the one-way sealing pair 3121 be sealed and matched with one-way valve seat 316, described valve core reseting spring 313 is arranged in slippage cylinder 3142, the two ends of this valve core reseting spring 313 act on nonreturn valve core 312 and one-way valve base 316 respectively and abutting.
One-way valve base 314 described in the present embodiment is fixed in check valve body 311 by fastening screw trip bolt 317, in addition, the outer wall of the outlet side relative to one-way valve seat 316 of described check valve body 311 is provided with multiple flow through hole 3111.
embodiment 2
As shown in Figure 9, the present embodiment 2 is with the difference of embodiment 1, and the present embodiment 2 does not arrange above-mentioned non-return filtering mechanism between testing pipes 21 and inlet pipeline 111.
Claims (9)
1. a flow automatic control device, include emery wheel modulating valve and magnetoelectric flowmeter, described magnetoelectric flowmeter includes testing pipes, described emery wheel modulating valve includes valve body, valve gap, valve rod, emery wheel mechanism and valve rod rotating drive mechanism, emery wheel mechanism comprises the dynamic emery wheel and quiet emery wheel that cooperatively interact, described valve body arranges inlet pipeline, outlet conduit and the center-aisle connected between inlet pipeline and outlet conduit, described testing pipes is connected setting with inlet pipeline input, described quiet emery wheel is fixedly installed on center-aisle, the top being arranged at quiet emery wheel is rotated in described dynamic emery wheel laminating, and described valve rod and dynamic emery wheel drive to connect and coordinate, described dynamic emery wheel is provided with a pair centrosymmetric dynamic emery wheel through hole, described quiet emery wheel is provided with and a pair of the corresponding cooperation of dynamic emery wheel through hole centrosymmetric quiet emery wheel through hole, the upper end of dynamic emery wheel through hole is communicated with outlet conduit, the lower end of dynamic emery wheel through hole is communicated with inlet pipeline, valve rod drives dynamic emery wheel to rotate and realizes dynamic relatively rotating between emery wheel and quiet emery wheel, thus the dynamic emery wheel through hole of realization and quiet emery wheel through hole are misplacing completely and are switching between conducting completely, it is characterized in that: also comprise emery wheel lubricating structure, the center, lower end surface of described quiet emery wheel is provided with hole, lubricant center, the upper surface that described quiet emery wheel is relative with dynamic emery wheel is provided with the annular oil groove being positioned at quiet emery wheel through hole periphery, the oil transportation channel being communicated with annular oil groove and hole, lubricant center is provided with in this quiet emery wheel, described valve body is fixedly installed oiling connecting tube relative to the below of quiet emery wheel, the inner sealing grafting of this oiling connecting tube is positioned in the hole, lubricant center of quiet emery wheel, described oiling connecting tube is arranged the filler opening be used for oiling connecting tube fuel feeding.
2. a kind of flow automatic control device according to claim 1, it is characterized in that: described valve body is fixedly installed and the oil feed non-return valve to filler opening direction one-way conduction, interior end interface and the filler opening of oil feed non-return valve seal fuel feeding and connect, and the outer side interface removable seal of this oil feed non-return valve is fixedly installed oil storage cup.
3. a kind of flow automatic control device according to claim 1, it is characterized in that: the cross-sectional profiles line of described quiet emery wheel through hole is spliced successively by multistage arc, and the quiet emery wheel through hole be somebody's turn to do includes the relatively large quiet emery wheel large discharge district of sectional area and the relatively little quiet emery wheel small flow district of cross section, described dynamic emery wheel through hole identical with described quiet emery wheel shape of through holes and up and down Mirror Symmetry arranges, the Flow characteristics between described quiet emery wheel through hole and dynamic emery wheel through hole is: in the circumferential rotation process of dynamic emery wheel, have equal percentage flow characteristic.
4. a kind of flow automatic control device according to claim 1, it is characterized in that: relative to being fixedly installed the valve stem seal seat coordinated with valve stem seal outside valve rod in described valve body, the interior angle place, upper end of this valve stem seal seat is provided with annular shoulder, be fixedly installed thrust-bearing between described annular shoulder and valve gap, interior edge face and the valve rod of this thrust-bearing rotate to connect and coordinate.
5. a kind of flow automatic control device according to claim 1, it is characterized in that: be provided with non-return filtering mechanism between testing pipes and inlet pipeline, this non-return filtering mechanism includes from testing pipes to the one-way valve of inlet pipeline one-way conduction and and is arranged at the filter core in liquid feeding end direction of one-way valve.
6. a kind of flow automatic control device according to claim 5, it is characterized in that: described one-way valve includes check valve body, nonreturn valve core, valve core reseting spring and one-way valve base, one-way valve runner and the one-way valve seat being arranged at one-way valve tunnel inlets side is provided with in described check valve body, described one-way valve base is fixedly installed on the one-way valve runner exit side of check valve body, this one-way valve base is provided with the base runner communicated with one-way valve runner, described one-way valve base center is provided with slippage cylinder, the outer end slippage of described nonreturn valve core is arranged in slippage cylinder, and the inner of this nonreturn valve core forms the one-way sealing pair be sealed and matched with one-way valve seat, described valve core reseting spring is arranged in slippage cylinder, the two ends of this valve core reseting spring abut with nonreturn valve core and the effect of one-way valve base respectively.
7. a kind of flow automatic control device according to claim 6, is characterized in that: described one-way valve base is fixed in check valve body by fastening screw trip bolt.
8. a kind of flow automatic control device according to claim 6, is characterized in that: the outer wall of the outlet side relative to one-way valve seat of described check valve body is provided with multiple flow through hole.
9. a kind of flow automatic control device according to claim 5, it is characterized in that: described filter core is taper filter core, the bottom of this taper filter core is fixedly installed on outside the entrance point of check valve body, and this taper filter core arranges multiple contaminant filter hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420578143.6U CN204176065U (en) | 2014-10-08 | 2014-10-08 | A kind of flow automatic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420578143.6U CN204176065U (en) | 2014-10-08 | 2014-10-08 | A kind of flow automatic control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204176065U true CN204176065U (en) | 2015-02-25 |
Family
ID=52564875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420578143.6U Withdrawn - After Issue CN204176065U (en) | 2014-10-08 | 2014-10-08 | A kind of flow automatic control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204176065U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358905A (en) * | 2014-10-08 | 2015-02-18 | 浙江天信仪表科技有限公司 | Automatic flow rate control device |
| CN104964073A (en) * | 2015-06-04 | 2015-10-07 | 江苏进源压力容器有限公司 | Safety valve for pressure container |
-
2014
- 2014-10-08 CN CN201420578143.6U patent/CN204176065U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358905A (en) * | 2014-10-08 | 2015-02-18 | 浙江天信仪表科技有限公司 | Automatic flow rate control device |
| CN104964073A (en) * | 2015-06-04 | 2015-10-07 | 江苏进源压力容器有限公司 | Safety valve for pressure container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150225 Effective date of abandoning: 20160817 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |