CN209654702U - A kind of throttle valve - Google Patents
A kind of throttle valve Download PDFInfo
- Publication number
- CN209654702U CN209654702U CN201821859467.1U CN201821859467U CN209654702U CN 209654702 U CN209654702 U CN 209654702U CN 201821859467 U CN201821859467 U CN 201821859467U CN 209654702 U CN209654702 U CN 209654702U
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- valve body
- valve
- throttle valve
- stator
- throttle
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Abstract
The utility model discloses a kind of throttle valves, belong to control valve technical field.The throttle valve of the utility model includes the first gland (1), stator (3), rotor (4), planetary reducer (5), lead screw (6), stroke detector (7), lower valve body (8), valve seat (9), throttle valve flap (10), stator can (11), bottom fastening bolt (12), stroke slider (13), feed screw nut (14), lower rolling bearing (15), top fastening bolt (16), second gland (17), upper valve body (18), output gear (19), duplicate gear (20), fixed gear (21), terminal box (22), end cap (23), transfer conduit (24).The utility model has the characteristics that simple structure, reliable performance, cost performance are high compared with prior art, and the cooling internal component of medium of itself conveying can be effectively utilized in the throttle valve of the utility model, effectively improves the service life of throttle valve in this way.
Description
Technical field
The invention belongs to control valve technical fields, more specifically, belonging to a kind of throttle valve.
Background technique
Liquid conveying system in the industries such as military project, nuclear power, the chemical industry of the prior art often uses electric throttle valve to defeated
The liquid medium sent carries out the adjusting of flow or pressure.Electric throttle valve refers to that opening and closing have been driven by electric operator
At throttle valve, personnel need not arrive in person electric throttle valve erecting bed operate, can be effectively avoided in this way operator by
To the adverse effect of Fieldable chemical media environment, while also saving manpower and improving operating efficiency.
Electric throttle valve used at present drives valve, the liquid medium of valve conveying using common external Electric Actuator
It is not contacted with Electric Actuator.Packing seal is used at the position contacted between the valve rod of electric throttle valve and valve body, is hindered in this way
Only liquid is to valve external leakage；Electric Actuator generally mostly uses turbine and worm drive mechanism.The electric throttle valve of the prior art
There are many disadvantage: own wt is big, outer dimension is big, needs that periodic maintenance, vibration noise are big, transmission efficiency is low, packing seal
The potential risk etc. leaked upon wear is deposited for dynamic sealing.
Summary of the invention
The present invention gives a kind of throttle valve to efficiently solve the above technical problem.
A kind of throttle valve of the invention, which is characterized in that including the first gland, stator, rotor, planetary reducer,
Lead screw, stroke detector, lower valve body, valve seat, throttle valve flap, stator can, bottom fastening bolt, stroke slider, lead screw
Nut, lower rolling bearing, top fastening bolt, the second gland, upper valve body, output gear, duplicate gear, fixed gear, wiring
Box, end cap, transfer conduit；Wherein: having gap between lead screw and lower valve body, there is gap between lead screw and lower valve body；Transfer conduit
One end be connected with the end cap of throttle valve upper end, the other end of transfer conduit is connected with the outlet of valve seat in throttle valve.
According to above-described throttle valve, it is preferable that fastening is connected between lower valve body and upper valve body, between lower valve body and valve seat
Fastening is connected；First gland, stator, rotor, planetary reducer, lead screw, valve seat, throttle valve flap, stator can, under
Portion's fastening bolt, stroke slider, feed screw nut, lower rolling bearing, top fastening bolt, the second gland, output gear, duplex-gear
Wheel, fixed gear, terminal box, end cap are arranged among the cavity of upper valve body, lower valve body and valve seat composition.
According to above-described throttle valve, it is preferable that valve seat is connected with lower valve body, and lower valve body is connected with upper valve body.
According to above-described throttle valve, it is preferable that liquid working substance riddles valve seat, lower valve body, upper valve when throttle valve works
In the cavity of body composition.
According to above-described throttle valve, it is preferable that stroke detector, stroke detector and stroke slider are arranged in lower valve body
It matches.
According to above-described throttle valve, it is preferable that one end that lead screw protrudes into valve seat is provided with throttle valve flap.
According to above-described throttle valve, it is preferable that be provided with terminal box on upper valve body.
The present invention has the characteristics that high, the of the invention throttling of simple structure, reliable performance, cost performance compared with prior art
The cooling internal component of medium of itself conveying can be effectively utilized in valve, and effectively improve throttle valve in this way uses the longevity
Life.Throttle valve of the invention simultaneously uses planetary gear construction, and weight and size is small, vibration noise is low, transmission efficiency is high.It keeps away completely
The defect for having exempted from electric throttle valve in the prior art, thereby realizes and effectively automatically controls, and can clean, safely
Convey liquid working substance.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of throttle valve of the present invention.
Drawing reference numeral explanation
| 1 | First gland | 2 | Upper rolling bearing |
| 3 | Stator | 4 | Rotor |
| 5 | Planetary reducer | 6 | Lead screw |
| 7 | Stroke detector | 8 | Lower valve body |
| 9 | Valve seat | 10 | Throttle valve flap |
| 11 | Stator can | 12 | Bottom fastening bolt |
| 13 | Stroke slider | 14 | Feed screw nut |
| 15 | Lower rolling bearing | 16 | Top fastening bolt |
| 17 | Second gland | 18 | Upper valve body |
| 19 | Output gear | 20 | Duplicate gear |
| 21 | Fixed gear | 22 | Terminal box |
| 23 | End cap | 24 | Transfer conduit |
Specific embodiment
Fig. 1 is the structural schematic diagram of throttle valve of the present invention, throttle valve of the present invention include the first gland 1, upper rolling bearing 2,
Stator 3, rotor 4, planetary reducer 5, lead screw 6, stroke detector 7, lower valve body 8, valve seat 9, throttle valve flap 10, stator
Housing 11, bottom fastening bolt 12, stroke slider 13, feed screw nut 14, lower rolling bearing 15, top fastening bolt 16,
Two glands 17, upper valve body 18, output gear 19, duplicate gear 20, fixed gear 21, terminal box 22, end cap 23, transfer conduit
24。
Wherein stator 3, rotor 4, stator can 11 etc. constitute the shield electric machine of throttle valve, stator 3, rotor 4, stator
Housings 11 etc. are arranged in upper valve body 18；Lower valve body 8, upper valve body 18, valve seat 9 etc. constitute the outer housing of throttle valve, lower valve body 8
It can be connected by fastening screw between upper valve body 18, can be connected by fastening screw between lower valve body 8 and valve seat 9；Row
Star gear reduction unit 5 is matched with duplicate gear 20, and duplicate gear 20 is matched with output gear 19, output gear 19 and silk
Together, fixed gear 21 matches 6 coaxial package of thick stick with duplicate gear 20, and fixed gear 21 matches with stator can 11
It closes；Stroke detector 7 is arranged in lower valve body 8, the probe of stroke detector 7 and 13 phase of stroke slider being arranged on lead screw 6
Cooperation, one end of lead screw 6 are provided with throttle valve flap 10, and lead screw 6 drives throttle valve flap 10 to rotate and then drives liquid working substance
From the entrance of valve seat 9 to the output flow of valve seat 9.Terminal box 22 is connected with stator 3, rotor 4, and terminal box 22 is stator 3, rotor
4 provide external impetus power supply.
Rotor 4 can rotate automatically and then generate torque after shield electric machine is powered, and drive the rotation fortune of planetary reducer 5
It is dynamic；The high revolving speed of shield electric machine and small torque are converted into the slow-speed of revolution and large torque by planetary reducer 5 simultaneously, and then are driven
Its rotary motion simultaneously finally is converted into moving along a straight line by the spinning movement of lead screw 6, while stroke detector 7 understands what basis detected
Throttle valve flap 10 opens size, by the start and stop of external control system closed-loop control shield electric machine, to adjust throttle valve valve
Valve 10 opens big-movement or turns down movement.Feed screw nut 14 is set on lead screw 6, suit is provided with stroke slider 13 on lead screw 6,
Lower rolling bearing 15 is provided between feed screw nut 14 and lower valve body 8, the second gland 17 is fixed on lower valve body by fastening screw
On 8, the second gland 17, lower valve body 8 and two lower rolling bearings 15 are jointly fixed feed screw nut 14.
Upper valve body 18 is matched with the first gland 1, and the first gland 1 is matched with end cap 23；Upper valve body 18 and gland 1 it
Between matched by screw thread, the first gland 1 is matched with end cap 23, upper valve body 18 is matched with the first gland 1, the first gland 1
It is matched with end cap 23；Sealing ring is provided between end cap 23 and upper valve body 18, sealing ring prevents liquid working substance from leaking.Lead screw 6
There is gap between lower valve body 8, has gap between lead screw 6 and feed screw nut 14, there is gap, liquid between lead screw 6 and lower valve body 8
Working medium from bottom to top and is flowed into stator 3 by the gap in bearing above, the gap between gear and turns by these gaps
Realize the cooling to stator 3 and rotor 4 in gap between son 4.
There is gap between lead screw 6 and lower valve body 8, there is gap, lead screw 6 and lower valve body 8 between lead screw 6 and feed screw nut 14
Between have gap；Condition of providing convenience is flowed in valve inner for liquid working substance in these gaps, and liquid working substance is flowed along gap
Cooling of the valve body top to stator 3 and rotor 4 is moved, while liquid working substance plays lubricating action to the bearing in valve body, this
Sample allows for valve body of the invention and obtains unexpected technical effect.It is fitted close between upper valve body 18 and lower valve body 8, under
It is fitted close between valve body 8 and valve seat 9, liquid working substance will not be between upper valve body 18 and lower valve body 8, lower valve body 8 and valve seat 9
Between flow out.
Between stator can 11 and lower valve body 8 using static seal constitute a totally-enclosed space, stator can 11 with
External complete No leakage may be implemented without dynamic sealing each other in lower valve body 8.Static seal is used between lower valve body 8 and valve seat 9
A totally-enclosed space is constituted, does not have dynamic sealing that external complete No leakage may be implemented between lower valve body 8 and valve seat 9.Lower valve body
A totally-enclosed space is constituted using static seal between 8 and upper valve body 18, does not have dynamic sealing can between lower valve body 8 and upper valve body 18
To realize externally complete No leakage.Sealing ring, stator can 11 and upper valve are provided between stator can 11 and lower valve body 8
Sealing ring is provided between body 18；Sealing ring, stator can 11 and upper valve body 18 between stator can 11 and lower valve body 8
Between sealing ring be used to prevent liquid working substance from flowing out throttle valve；Sealing ring, lower valve are provided between lower valve body 8 and valve seat 9
Sealing ring between body 8 and valve seat 9 is used to prevent liquid working substance from flowing out throttle valve.
The liquid working substance of throttle valve conveying of the present invention enters after the entrance of valve seat 9, has a small amount of liquid working substance along section
Gap between stream valve inner components is upwardly into the shield electric machine of upper part, liquid working substance along lower valve body 8 and lead screw 6 it
Between gap, the gap between upper valve body 18 and lead screw 6 enter the shield electric machine on top；Liquid working substance is to the institute in throttle valve
There is bearing and play lubrication, such throttle valve is non-maintaining without separately adding lubricating oil to realize；Liquid working substance is to throttling
Stator 3 and rotor 4 in valve play cooling effect, and such throttle valve realizes refrigerating function without another heating/cooling device.
One end of transfer conduit 24 is connected with the upper end of throttle valve, valve seat 9 in the other end and throttle valve of transfer conduit 24
Outlet be connected, liquid working substance is discharged into the exit of valve seat 9 in throttle valve by transfer conduit 24 by circulation inside throttle valve, is passed
A manual switch is provided on defeated pipeline 24 to be used to be turned on or off transfer conduit 24, it in this way can be effectively real
The lubrication to bearing and the cooling to stator rotor are realized in free-flowing of the existing liquid working substance in throttle valve.
Claims (7)
1. a kind of throttle valve, which is characterized in that including the first gland (1), stator (3), rotor (4), planetary reducer
(5), lead screw (6), stroke detector (7), lower valve body (8), valve seat (9), throttle valve flap (10), stator can (11), under
Portion's fastening bolt (12), stroke slider (13), feed screw nut (14), lower rolling bearing (15), top fastening bolt (16), second
Gland (17), upper valve body (18), output gear (19), duplicate gear (20), fixed gear (21), terminal box (22), end cap
(23), transfer conduit (24)；Wherein: having gap between lead screw (6) and lower valve body (8), have between lead screw (6) and lower valve body (8)
Gap；One end of transfer conduit (24) is connected with the end cap (23) of throttle valve upper end, the other end of transfer conduit (24) and throttling
The outlet of valve seat (9) is connected in valve.
2. throttle valve according to claim 1, which is characterized in that it fastens and is connected between lower valve body (8) and upper valve body (18),
It fastens and is connected between lower valve body (8) and valve seat (9)；First gland (1), stator (3), rotor (4), planetary reducer (5),
Lead screw (6), valve seat (9), throttle valve flap (10), stator can (11), bottom fastening bolt (12), stroke slider (13),
Feed screw nut (14), lower rolling bearing (15), top fastening bolt (16), the second gland (17), output gear (19), duplex-gear
(20), fixed gear (21), terminal box (22), end cap (23) setting are taken turns in upper valve body (18), lower valve body (8) and valve seat (9) group
At cavity among.
3. throttle valve according to claim 1, which is characterized in that valve seat (9) is connected with lower valve body (8), lower valve body (8) and
Upper valve body (18) is connected.
4. throttle valve according to claim 1, which is characterized in that throttle valve work when liquid working substance riddle valve seat (9),
In the cavity that lower valve body (8), upper valve body (18) form.
5. throttle valve according to claim 1, which is characterized in that stroke detector (7) are arranged in lower valve body (8), stroke
Detector (7) is matched with stroke slider (13).
6. throttle valve according to claim 1, which is characterized in that one end that lead screw (6) protrudes into valve seat (9) is provided with throttling
Valve flap (10).
7. throttle valve according to claim 1, which is characterized in that be provided with terminal box (22) on upper valve body (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821859467.1U CN209654702U (en) | 2018-11-12 | 2018-11-12 | A kind of throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821859467.1U CN209654702U (en) | 2018-11-12 | 2018-11-12 | A kind of throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209654702U true CN209654702U (en) | 2019-11-19 |
Family
ID=68506415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821859467.1U Active CN209654702U (en) | 2018-11-12 | 2018-11-12 | A kind of throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209654702U (en) |
-
2018
- 2018-11-12 CN CN201821859467.1U patent/CN209654702U/en active Active
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