CN1614274A - Actuating valve for suspended sand sampler - Google Patents
Actuating valve for suspended sand sampler Download PDFInfo
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- CN1614274A CN1614274A CNA200410081315XA CN200410081315A CN1614274A CN 1614274 A CN1614274 A CN 1614274A CN A200410081315X A CNA200410081315X A CN A200410081315XA CN 200410081315 A CN200410081315 A CN 200410081315A CN 1614274 A CN1614274 A CN 1614274A
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Abstract
A switch valve for the suspended sand sampler is composed of valve body, valve cover, speed-reducing motor and ceramic core. Said ceramic core consists of two static plates and one moving plate, which respectively have water hole, air hole and kidney-shaped water and air slots. The contact interfaces between moving and static plates form the hard sealing, and said moving plate is driven by speed-reducing motor. Its advantage is no sand jamming.
Description
Technical field:
The present invention is relevant with long-pending up-to-date style actuating valve for suspended sand sampler.
Background technique:
Long-pending up-to-date style suspended sand sampler (hereinafter to be referred as sampler) is the instrument that is used in the river river that contains silt being carried out full section continuous sampling.Switch valve is the critical component of sampler, and its fundamental function is: when the pressure regulation position, the sampling storehouse is communicated with pressure regulating chamber, guarantees two cabin pressure balances, allow the water inlet of sampler ozzle flow out sampler by switch valve and discharge pipe line simultaneously; When the sampling location, the ozzle water inlet is by the straight-through sampling storehouse that flows to of switch valve, and the air in the storehouse of sampling is simultaneously discharged sampler through switch valve and gas exhaust piping.
U.S. P61 series suspended sand sampler adopts the rotary switch valve.(see that Figure 14-Figure 16) its structure characteristic has 5 ports for have two row's straight holes on two cross sections of cone poppet on the valve body.Rotate with moment motor-driven valve core, can make water passage hole on the spool and vent respectively with valve body on water passage hole and vent align, thereby realize the switching of water route and gas circuit, reach the purpose of sampler pressure regulation and sampling.
The shortcoming of this valve arrangement is: 1). intake pipe is chewed easy obstruction.During pressure regulation, switch valve has cut off the path that water sample enters the sampling storehouse, makes the sampler intake pipe chew water transfixion to this section of switch valve runner, and silt contained in the water can precipitate or be bonded on the intake pipe, and the result causes the water channel part to narrow down even stops up; 2). spool blocks sand easily.It is stuck that the seal clearance that silt particulate in the water sample very easily enters spool causes spool; 3). spool is sticking easily husky.Because of the affinity of sand grain and metal is big, very easily bond on the surface of metal spool and valve body, switch valve was lost efficacy; 4). the requirement on machining accuracy height.Owing to adopt cone poppet, make the hole of spool and valve body vertically to the bit comparison difficulty, processing or assembly error may cause the spool contraposition inaccurate, cause the switch valve runner not smooth, the influence degree of accuracy of sampling.
Domestic suspended sand sampler switch valve all adopts the sleeve valve of stainless steel material processing.It is characterized in that on cylindrical spool, having water passage hole and vent, with solenoid actuated sliding spool move left and right, rely on the positioning action of left and right sides block on the guiding valve, water passage hole and vent on the spool are aimed at corresponding hole on the valve body, thereby form two separate passages, realize the function of switch valve.There is shortcoming in this valve arrangement: the one, and it is unreliable to seal.Because between spool and the valve body is movingly, therefore certainly exist the gap, because machining error, this gap may be very big, thereby make the sealing of switch valve unreliable, and the wearing and tearing of spool or valve body can further add the gap between big valve core and valve body, make sealability quicken to worsen.The 2nd, spool is stuck easily.Because the existence in gap, the water inlet of sampler just can go out valve body or enter gas circuit by these clearance leakages, and sampling error is increased, and the silt particulate in the water sample can be deposited in the slit on the other hand, causes spool stuck (promptly so-called card is husky).The 3rd, the valve core movement resistance is big.Adopt stainless steel spool and valve body, not only the valve core movement resistance is big, and the silt particulate of sedimentation easily with metal spool, valve body is affine and bond, and makes the switch valve inefficacy.The 4th, the action of spool is unreliable.Because the suction of electromagnet is less, entering of the machining error of spool and valve body or silt all may cause valve core movement not in place, causes switch valve not open or close fully.
From use condition, the problems referred to above ubiquity of switch valve.Its result causes the natural flow velocity in sampler inlet velocity and river not to be inconsistent maybe and can't to sample, and the resource forecast of feedwater Wenshui brings adverse consequences.
The model utility content:
The objective of the invention is in order to overcome above deficiency, provide a kind of metal circular cone (post) that can thoroughly solve to change (cunning) valve because of the frequent stuck problem of silt bonding, the rotation miraculous cure is alive, reliable, sampling is accurate, the long-pending up-to-date style actuating valve for suspended sand sampler of long service life.
The objective of the invention is to come like this reality:
Actuating valve for suspended sand sampler of the present invention comprises and contains water inlet 39, the valve body 1 of exhaust port 42, contain osculum 44 by what link and valve body 1 were tightly connected, the valve gap 5 of inlet hole 45, at valve body and valve cover chamber the reducing motor 3 that is contained on the valve body is arranged, ceramic valve core 4, axle 12 is arranged in the ceramic valve core 4, be contained on the axle and moving plate 10 be subjected to the reducing motor drive by driving mechanism, lay respectively at being sleeved on the axle and being fixed on valve body of moving plate 10 both sides, still 9 on the valve gap, 11, water passage hole 28 and vent 30 are arranged on the moving plate 10, have on the still 9 respectively with valve body on water inlet 39, exhaust port 40,41 and moving plate 10 on water passage hole 28, the water passage hole 14 of vent 30 correspondences and vent 16,18, on the sealing surface with respect to moving plate on the still 9, have respectively and water passage hole 14, the waist shape tank 15 that vent 18 is communicated with, waist shape air drain 17, have on the still 11 respectively with moving plate 10 on water passage hole 28, osculum 44 on vent 30 and the valve gap, the water passage hole 21 of 46 inlet holes, 45 correspondences, 25, vent 24, still 11 has respectively and water passage hole 25 with respect to the sealing surface of moving plate 10, the waist shape tank 27 that vent 24 is communicated with, waist shape air drain 23, after by link valve body and valve gap being compressed vertically, form hard sealing at the surface of contact of moving plate and still.
Above-mentioned driving mechanism is a gear drive, that be connected with moving plate on comprising the small gear 48 that is contained on the reducing motor output wheel and being enclosed within moving plate 10 and with the gearwheel 13 of small gear 48 engagements, reducing motor drives moving plate by gear drive and rotates around axle.
On the above-mentioned gearwheel 13 keyway is arranged, the key tooth 29 equipped with keyway arranged on moving plate 10 circumference, pair shoulder of gearwheel axially locating 33 is arranged on the moving plate 10, moving plate and gearwheel are circumferentially located and driving torque by key tooth, keyway.
It is the position limit pin 34,35 of α that angle is arranged on the above-mentioned valve gap 5, and the locating stud 13 that is positioned at 34,35 of position limit pins is arranged on the gearwheel 13, is used to locate the rotation angle and the position of spool moving plate.
Above-mentioned α is 45 °～90 °.
The control circuit wiring terminal 36,37,38 that is used to drive reducing motor that is communicated with position limit pin 34,35 is respectively arranged on the above-mentioned valve gap 5.
On above-mentioned valve body 1, the valve gap 2 keyway is arranged respectively, have on the excircle of still 9,11 and insert the key tooth 19,26 that cooperates with it in valve body, the valve gap keyway respectively, circumferentially locate.
Above-mentioned valve body 1,2 of valve gaps have sealing gasket 2, and 1 of still 9 and valve body have seal ring 7, and 5 of still 11 and valve gaps have seal ring 6, and link compresses still 9,11, moving plate 10 and sealing gasket 2, seal ring 6,7.
When the present invention is used for working on the sampler, reducing motor 3 drives gearwheel 13 by gear transmission and drives moving plate 10 rotations, make water hole 28 on the moving plate 10, pore 30 respectively with still 9 on water hole 14 (or waist shape tank 15), pore 16 (or waist shape air drain 17) and still 11 on water hole 21 (or waist shape tank 27), pore 24 (or waist shape air drain 23) align, form two independent paths by the water passage hole on the valve body 39,44 (or 46), vent 40 (or 41), 45---be water route and gas circuit, thereby realize the function of switch valve.Locating stud 31 on the gearwheel 13, position limit pin 34,35 on the valve gap 5 (corresponding respectively to two working positions of valve), guarantee the turning angle shifting of spool moving plate, thus guarantee indirectly hole on the spool moving plate 10 on two working positions of valve and still 9,11 accordingly hole (groove) aim at.
The present invention compared with prior art has following advantage:
1. adopt the ceramic material spool, the sand grain in the water sample can not bond in the ceramic valve core sealing, causes switch valve card sand.Thoroughly solved metal circular cone (post) and changeed (cunning) valve because of the frequent stuck problem of silt bonding.
2. adopt the plane to seal firmly, the gap between the spool ceramic plate can compensate, and seals more reliably, has solved the drawback that the gap between sleeve valve spool and the valve body can't compensate, and has avoided between the valve internal path, the ganging up and leakage phenomenon of path and the valve body external world.
3. adopt the rotary valve structure, drive spool with the low-speed big speed motor that shades, valve core rotation is more flexible, reliable, and it is more accurate to sample.It is little because of electromagnetic force to have solved magnetic slide valve, easily produce spool be failure to actuate or move not in place, thereby cause the sampler inaccurate problem of can't sampling or sample.
4. the fault of switch valve is few, and prolong working life greatly.
Description of drawings:
Fig. 1 is the switch valve structural representation.
Fig. 2 is the valve core structure schematic representation.
Fig. 3 is the assembling schematic representation of switch valve.
Fig. 4 is the A-A generalized section of Fig. 3.
Fig. 5 is spool still 9 structural representations (being the B-B sectional view among Fig. 6).
Fig. 6 is a spool assembling schematic representation.
Fig. 7 is spool still 11 structural representations (being the C-C sectional view among Fig. 6).
Fig. 8 is spool moving plate 10 structural representations.
Fig. 9 is the valve body structure schematic representation.
Figure 10 is a D-D sectional view among Fig. 9.
Figure 11 is an E-E sectional view among Figure 10.
Figure 12 is the valve cover structure schematic representation.
Figure 13 is a F-F sectional view among Figure 12.
Figure 14 is a P61 rotary valve switch valve structural representation.
Figure 15 is the G-G sectional view among Figure 14.
Figure 16 is the H-H sectional view among Figure 14.
Embodiment:
Referring to Fig. 1, Fig. 2, on the end face of valve body 1 relative valve gap 5 sealing gasket 2 is arranged, minitype speed reducing motor 3 is contained on the valve body 1, and the ceramic valve core 4 that stupalith is made is that moving plate 10, static ceramics are that still 9,11 is formed by axle 12, rotation ceramics.
As Fig. 5, Fig. 7, shown in Figure 8, water passage hole 14 and vent 16,18 are arranged on the still 9, waist shape tank 15 that is communicated with water passage hole 14 and waist shape air drain 17 and the scalloped recess 20 that is communicated with vent 18 are arranged on the sealing surface, 2 key teeth 19 are arranged on the circumference. Water passage hole 21,25 and vent 24 are arranged on the still 11, the waist shape air drain 23 that is communicated with vent 24, the waist shape tank 27 and the scalloped recess 22 that are communicated with water passage hole 25 are arranged on the sealing surface, 2 key teeth 26 are arranged on the circumference.Water passage hole 28 and vent 30 are arranged on the moving plate 10, the waist shape tank 47 and the scalloped recess 32 that are communicated with water passage hole 28 are arranged on the sealing surface, 3 key teeth 29 are arranged on the circumference.
As Fig. 8, shown in Figure 6, be nested with the gearwheel 13 in the gear drive on the excircle of moving plate 10, the two is circumferentially located and transmitting torque by key tooth 29 and keyway, and 33 pairs of gearwheels of shoulder 13 carry out axially locating, by bonding technology moving plate 10 and gearwheel 13 are assembled into integral body.Locating stud 31 is arranged on the gearwheel 11.Axle 12 is passed the center hole of stable ceramic piece 9, moving plate 10, still 11, forms spool 4 together.
As Fig. 1, Fig. 3, shown in Figure 6, spool 4 pack into valve body 1 the seat hole in.Key tooth 19 on still 9 circumference inserts in the keyway of valve body 1, circumferentially the location; Seal ring 7 is arranged between still 9 and the valve body.Ceramics 11 is packed in the seat hole of valve gap 5, and key tooth on its circumference 26 inserts in the keyway of valve gaps 5, circumferentially the location; Between still 11 and the valve gap 5 seal ring 6 is arranged.Four screws of reducing motor 3 usefulness are installed on the valve body 1, and gearwheel 13 engagements on its output pinion 48 and the spool 4 constitute the externally-engaged cylindrical gear transmission.Valve body 1 is connected by bolt 8 with valve gap 5, simultaneously each sealing surface of pressed spool 4 and the sealing gasket 2 between valve body 1 and the valve gap 5.
As Fig. 4, shown in Figure 6, two position limit pins 34,35 that become α (45 °～90 °) angle are arranged on the valve gap 5, locating stud 31 is arranged on the gearwheel 13, be used to locate the rotation angle and the position of spool moving plate 10.Wiring terminal 36,38 (linking to each other with position limit pin 35,34 respectively) and 37 are arranged on the valve gap 5, be used for the control circuit wiring of drive motor.
The micro motor rotation, the moving plate 10 that drives spool 4 by retarder and gear transmission rotates around axle 12.When the locating stud on the gearwheel 13 31 when position limit pin 35 on the valve gap 5 contacts, trigger control circuit, micro motor dead electricity stop operating (pressure regulation position), at this moment, water passage hole 28 on the spool moving plate 10 is relative with waist shape tank 15,27 on the static ceramics 9,11 respectively, and pore 30 is relative with waist shape air drain 17,23 on the still 9,11 respectively.Sampler tube is chewed water into by the hole 28 on the water inlet 39 on the valve body 1, the hole 14 on spool 4 stills 9, waist shape tank 15, the moving plate 10, waist shape tank 27 and the hole 25 on the still 11, bypass water hole 46 on valve gap 5 forms the bypass water route, and the catchment channel on sampler flows out sampler again; And the air in sampling storehouse is by the pore 30 on the inlet hole 45 on the valve gap 5, the pore 24 on spool 4 stills 11, waist shape air drain 23, the moving plate 10, waist shape air drain 17 and the pore 18 on the still 9, connection pore 41,43 on the valve body 1 forms and is communicated with gas circuit, be communicated with pressure regulating chamber through connecting tracheae again, realize the pressure regulation in sampling storehouse.
Micro motor counter-rotating, the moving plate 10 of spool 4 under actuation gear 13 effects around axle 12 backward rotation.When the locating stud on the gearwheel 13 31 when position limit pin 34 on the valve gap 5 contacts, trigger control circuit, micro motor dead electricity stop operating (sampling location).At this moment, the water passage hole 28 on the spool moving plate 10 respectively with static ceramics 9,11 on the water hole 14,21 and the water inlet 39 and the osculum 44 on the valve gap 5 of valve body 1 concentric, form the water route; And the vent 30 on the spool moving plate 10 respectively with static ceramics 9,11 on the pore 16,24 and the exhaust port 40 of inlet hole 45 on the valve gap 5 and valve body 1 concentric, form gas circuits through exhaust port 42.So just form two other separate path---water route and gas circuit.Sampler tube is chewed into water and is flowed into the sampling storehouse by the switch valve water route is straight-through, and the air in sampling storehouse is outside the gas circuit discharger of switch valve.
Figure 14～Figure 16 is existing P61 rotary valve switch valve structural representation.
Claims (10)
1, actuating valve for suspended sand sampler, it is characterized in that comprising and contain water inlet (39), the valve body (1) of exhaust port (42), contain osculum (44) by what link and valve body 1 were tightly connected, the valve gap (5) of inlet hole (45), at valve body and valve cover chamber the reducing motor (3) that is contained on the valve body is arranged, ceramic valve core (4), axle (12) is arranged in the ceramic valve core (4), be contained on the axle and moving plate (10) be subjected to the reducing motor drive by driving mechanism, the axle (12) that is sleeved on that lays respectively at moving plate (10) both sides goes up and is fixed on valve body, still (9 on the valve gap, 11), water passage hole (28) and vent (30) are arranged on the moving plate (10), have on the still (9) respectively with valve body on water inlet (39), exhaust port (40,41) and the water passage hole (28) on the moving plate (10), water passage hole (14) and vent (16 that vent (30) is corresponding, 18), on going up sealing surface with respect to moving plate, still (9) has respectively and water passage hole (14), the waist shape tank (15) that vent (18) is communicated with, waist shape air drain (17), have on the still (11) respectively with moving plate (10) on water passage hole (28) vent (30) and the osculum (44 on the valve gap, 46), the water passage hole (21 that inlet hole (45) is corresponding, 25), vent (24), still (11) has respectively and water passage hole (25) with respect to the sealing surface of moving plate (10), the waist shape tank (27) that vent (24) is communicated with, waist shape air drain (23).
2, actuating valve for suspended sand sampler as claimed in claim 1, it is characterized in that driving mechanism is a gear drive, comprise the small gear (48) that is contained on the reducing motor output wheel and be enclosed within moving plate (10) and go up the gearwheel (13) that is connected with moving plate and mesh with small gear (48).
3, actuating valve for suspended sand sampler as claimed in claim 2 is characterized in that on the gearwheel (13) keyway being arranged, and the key tooth (29) equipped with keyway arranged on moving plate (10) circumference, and pair shoulder of gearwheel axially locating (33) is arranged on the moving plate (10).
4, as claim 1 or 2 or 3 described actuating valve for suspended sand sampler, it is characterized in that having on the valve gap (5) angle is the position limit pin (34,35) of α, and the locating stud (13) that is positioned between position limit pin (34,35) is arranged on the gearwheel 13.
5, actuating valve for suspended sand sampler as claimed in claim 4 is characterized in that α is 45 °～90 °.
6, actuating valve for suspended sand sampler as claimed in claim 4 is characterized in that having on the valve gap (5) the control circuit wiring terminal that is used to drive reducing motor (36,37,38) that is communicated with position limit pin (34,35) respectively.
7, actuating valve for suspended sand sampler as claimed in claim 5 is characterized in that having on the valve gap (5) the control circuit wiring terminal that is used to drive reducing motor (36,37,38) that is communicated with position limit pin (34,35) respectively.
8, as claim 1 or 2 or 3 described actuating valve for suspended sand sampler, it is characterized in that valve body (1), valve gap have keyway respectively on (2), have on the excircle of still (9,11) and insert the key tooth (19,26) that cooperates with it in valve body, the valve gap keyway respectively.
9, actuating valve for suspended sand sampler as claimed in claim 4 is characterized in that valve body (1), valve gap have keyway respectively on (2), has on the excircle of still (9,11) to insert the key tooth (19,26) that cooperates with it in valve body, the valve gap keyway respectively.
10, as claim 1 or 2 or 3 described actuating valve for suspended sand sampler, it is characterized in that between valve body (1), valve gap (2) sealing gasket (2) being arranged, between still (9) and valve body (1) seal ring (7) is arranged, between still (11) and valve gap (5) seal ring (6) is arranged, link compresses still (9,11), moving plate (10) and sealing gasket (2), seal ring (6,7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410081315XA CN100343560C (en) | 2004-11-23 | 2004-11-23 | Actuating valve for suspended sand sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410081315XA CN100343560C (en) | 2004-11-23 | 2004-11-23 | Actuating valve for suspended sand sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1614274A true CN1614274A (en) | 2005-05-11 |
| CN100343560C CN100343560C (en) | 2007-10-17 |
Family
ID=34765693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410081315XA Expired - Fee Related CN100343560C (en) | 2004-11-23 | 2004-11-23 | Actuating valve for suspended sand sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100343560C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020016A (en) * | 2014-06-06 | 2014-09-03 | 西华大学 | Tow-position six-way reversing valve for pressure-adjusting type suspended load sampler |
| CN109387390A (en) * | 2018-11-23 | 2019-02-26 | 江苏大学 | A kind of deposit anaerobically incubating device |
| CN109875616A (en) * | 2019-03-05 | 2019-06-14 | 孟凡龙 | A kind of pressure-regulating device of attractor for laparoscope |
| CN112963602A (en) * | 2021-02-08 | 2021-06-15 | 鹤山市恩硕卫生洁具科技有限责任公司 | Stool and urine valve structure that ceramic case was opened and close |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2589997Y2 (en) * | 1993-02-17 | 1999-02-03 | シスメックス株式会社 | Sampling valve |
| US5417242A (en) * | 1994-04-14 | 1995-05-23 | Kohler Co. | Fluid valve |
| TW308536B (en) * | 1995-12-21 | 1997-06-21 | Toa Medical Electronics | Sampling valve |
| CN2327854Y (en) * | 1997-08-14 | 1999-07-07 | 杨东林 | Ceramic sealing piece for faucet |
| CN2746383Y (en) * | 2004-11-23 | 2005-12-14 | 西华大学 | Spool of switch valve for time integrating sand suspension sampler |
-
2004
- 2004-11-23 CN CNB200410081315XA patent/CN100343560C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020016A (en) * | 2014-06-06 | 2014-09-03 | 西华大学 | Tow-position six-way reversing valve for pressure-adjusting type suspended load sampler |
| CN109387390A (en) * | 2018-11-23 | 2019-02-26 | 江苏大学 | A kind of deposit anaerobically incubating device |
| CN109387390B (en) * | 2018-11-23 | 2022-04-15 | 江苏大学 | Sediment anaerobic incubator |
| CN109875616A (en) * | 2019-03-05 | 2019-06-14 | 孟凡龙 | A kind of pressure-regulating device of attractor for laparoscope |
| CN112963602A (en) * | 2021-02-08 | 2021-06-15 | 鹤山市恩硕卫生洁具科技有限责任公司 | Stool and urine valve structure that ceramic case was opened and close |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100343560C (en) | 2007-10-17 |
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Owner name: XIHUA UNIV.; APPLICANT Free format text: FORMER OWNER: XIHUA UNIV. Effective date: 20060310 |
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Effective date of registration: 20060310 Address after: 610039 School of mechanical engineering and automation, Xihua University, Sichuan, Chengdu Applicant after: Xihua University Co-applicant after: HYDROLOGY AND WATER RESOURCES SURVEY UPPER YANGTZE RIVER, HYDROLOGY BUREAU OF CHANGJIANG WATER RESOURCES COMMISSION Address before: 610039 School of mechanical engineering and automation, Xihua University, Sichuan, Chengdu Applicant before: Xihua University |
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