CN204239784U - A kind of emery wheel modulating valve with emery wheel lubricating structure - Google Patents

A kind of emery wheel modulating valve with emery wheel lubricating structure Download PDF

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Publication number
CN204239784U
CN204239784U CN201420578321.5U CN201420578321U CN204239784U CN 204239784 U CN204239784 U CN 204239784U CN 201420578321 U CN201420578321 U CN 201420578321U CN 204239784 U CN204239784 U CN 204239784U
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CN
China
Prior art keywords
emery wheel
quiet
valve
hole
dynamic
Prior art date
Application number
CN201420578321.5U
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Chinese (zh)
Inventor
陈为刚
王秋宏
应颂东
黄通泉
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浙江天信仪表科技有限公司
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Application filed by 浙江天信仪表科技有限公司 filed Critical 浙江天信仪表科技有限公司
Priority to CN201420578321.5U priority Critical patent/CN204239784U/en
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Publication of CN204239784U publication Critical patent/CN204239784U/en

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Abstract

The utility model discloses a kind of emery wheel modulating valve with emery wheel lubricating structure, include 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

A kind of emery wheel modulating valve with emery wheel lubricating structure
Technical field
The utility model relates to a kind of modulating valve, specifically refers to a kind of emery wheel modulating valve with emery wheel lubricating structure.
Background technique
Emery wheel modulating valve is usually used in flow automatic control device, for regulating according to actual needs rate-of flow, thus greatly reduces artificial labor intensity.
Flow automatic control device as shown in Chinese ZL201220020911.7, its structure includes modulating valve, actuator and magnetoelectric flowmeter etc., this modulating valve is a kind of emery wheel modulating valve, it includes valve body, valve rod, emery wheel, emery wheel comprises the dynamic emery wheel and quiet emery wheel that cooperatively interact, the inlet passage conducting of the passage on described driving wheel and valve body, outlet passage conducting on quiet passage of taking turns and 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.
The shortcoming of this traditional emery wheel modulating valve is: wearing and tearing appear 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 with emery wheel lubricating structure, thus reduces a kind of emery wheel modulating valve with emery wheel lubricating structure worn and torn between sound emery wheel.
For achieving the above object, the technical solution of the utility model 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 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, 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 this quiet emery wheel through hole 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.
Below in conjunction with specification drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 the utility model embodiment structural representation;
Fig. 2 is the A-A sectional view of Fig. 1;
The quiet wheel structure schematic diagram of Fig. 3 the utility model embodiment;
Fig. 4 is the B-B sectional view of Fig. 3;
Fig. 5 is that the B of Fig. 4 is to schematic diagram;
Fig. 6 is the profile enlarged view of quiet emery wheel through hole.
Embodiment
Below by embodiment, the utility model being specifically described, only for being further described the utility model, the restriction to the utility model protection domain can not being interpreted as.
Embodiment of the present utility model as shown in figures 1 to 6, include 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 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 this quiet emery wheel through hole 131 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 6, 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 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 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 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, 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.

Claims (4)

1. the emery wheel modulating valve with emery wheel lubricating structure, include 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 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 emery wheel modulating valve with emery wheel lubricating structure 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 emery wheel modulating valve with emery wheel lubricating structure 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 this quiet emery wheel through hole 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 arrange, Flow characteristics between described quiet emery wheel through hole and dynamic emery wheel through hole is: in dynamic emery wheel circumference rotation process, have equal percentage flow characteristic.
4. a kind of emery wheel modulating valve with emery wheel lubricating structure 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.
CN201420578321.5U 2014-10-08 2014-10-08 A kind of emery wheel modulating valve with emery wheel lubricating structure CN204239784U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420578321.5U CN204239784U (en) 2014-10-08 2014-10-08 A kind of emery wheel modulating valve with emery wheel lubricating structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420578321.5U CN204239784U (en) 2014-10-08 2014-10-08 A kind of emery wheel modulating valve with emery wheel lubricating structure

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CN204239784U true CN204239784U (en) 2015-04-01

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104847913A (en) * 2015-04-03 2015-08-19 浙江精华测控设备有限公司 Grinding wheel type adjusting valve
CN105805335A (en) * 2016-05-24 2016-07-27 浙江金龙自控设备有限公司 Second-grade grinding wheel carried cock plug angle type flow self-control instrument
CN111486248A (en) * 2019-12-27 2020-08-04 安徽铜都流体科技股份有限公司 Slurry ball valve for shield tunneling machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104847913A (en) * 2015-04-03 2015-08-19 浙江精华测控设备有限公司 Grinding wheel type adjusting valve
CN104847913B (en) * 2015-04-03 2017-06-13 浙江精华测控设备有限公司 A kind of grinding-wheel type regulating valve
CN105805335A (en) * 2016-05-24 2016-07-27 浙江金龙自控设备有限公司 Second-grade grinding wheel carried cock plug angle type flow self-control instrument
CN105805335B (en) * 2016-05-24 2018-07-10 浙江金龙自控设备有限公司 Secondary grinding wheel belt cock angie type automatic flow controller
CN111486248A (en) * 2019-12-27 2020-08-04 安徽铜都流体科技股份有限公司 Slurry ball valve for shield tunneling machine

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