CN205298753U - Electrical control valve executor subassembly - Google Patents
Electrical control valve executor subassembly Download PDFInfo
- Publication number
- CN205298753U CN205298753U CN201521127819.0U CN201521127819U CN205298753U CN 205298753 U CN205298753 U CN 205298753U CN 201521127819 U CN201521127819 U CN 201521127819U CN 205298753 U CN205298753 U CN 205298753U
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- CN
- China
- Prior art keywords
- control valve
- microswitch
- screw mandrel
- electric control
- slide block
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Abstract
The utility model discloses an electrical control valve executor subassembly for the lift stroke of case in the control electrical control valve, include the lead screw of the driven case lift of vertical setting, the slider of following the lead screw lift and the restriction slider fixing base of stroke from top to bottom, the fixing base includes a pair of fixed block of setting relatively, and the last micro -gap switch who sets up is installed down to one side of fixing base, and the lower micro -gap switch who sets up is installed up to the opposite side, and the slider rises under the drive of lead screw and triggers micro -gap switch and lower micro -gap switch when perhaps dropping to extreme position respectively.
Description
[technical field]
This utility model relates to a kind of electric control valve, particularly relates to a kind of actuator assembly controlling electric control valve control limit position.
[background technology]
When existing motorized adjustment valve actuator runs, the aperture of valve is judged usually by the adjustable height of screw mandrel, not only can not react the aperture of valve intuitively, and precision is also poor, accurate system is required especially for aperture, existing executor can not meet high-precision requirement, and once stroke lost efficacy, motor can run always, when arriving summit, easily executor's gear and motor are damaged or abrasion, reduce executor's precision and life-span, it is likely to damage executor, stroke is had spacing by the existing executor of part, but position-limit mechanism structure is complicated. as disclosed by patent application that application number is CN201410821424.4, the action in order to realize limit switch needs extra to increase by one group of butterfly spring group and travel(l)ing rest, it is necessary to travel(l)ing rest molar behavior, affects executor's stability and service life.
[utility model content]
Technical problem to be solved in the utility model is in that to provide a kind of simple in construction, electric control valve actuator assembly reliable for effect.
Technical problem to be solved in the utility model is achieved through the following technical solutions: provide a kind of electric control valve actuator assembly, for controlling the lifting travel of electric control valve inner spool, can with the screw mandrel of movable valve plug lifting including what be vertically arranged, slide block with screw mandrel lifting, and the fixing seat of the restriction upper and lower stroke of slide block, described fixing seat includes a pair fixed block being oppositely arranged, wherein, described fixing seat is provided with the upper microswitch arranged down and the lower microswitch arranged upward, slide block triggers microswitch and lower microswitch respectively when rising or drop to extreme position under the drive of screw mandrel.
Further, described upper microswitch and lower microswitch are respectively arranged at the both sides of fixing seat, in angular distribution.
Further, described microswitch is provided with the triggering shell fragment obliquely extended from.
Further, the through fluting being provided with lengthwise in the middle of described slide block, being installed with the cross bar running through fluting on described screw mandrel, described screw mandrel rises or cross bar is resisted against the upper end of fluting or lower end rises or falls with band movable slider when dropping near extreme position.
Further, described slide block each extends over towards the both sides of fixing seat and is provided with protuberance beyond fixing seat, described protuberance is provided with adjustment hole and the adjusting screw rod being arranged in adjustment hole, described adjusting screw rod extends towards triggering shell fragment direction, and when slide block rises or drops to extreme position, the leading section compression of adjusting screw rod triggers shell fragment.
Further, described electric control valve actuator assembly also includes transmitting the gear assembly of power to screw mandrel, providing the motor of power to gear assembly, and the controller being electrically connected with upper microswitch and lower microswitch, screw mandrel is provided with the screw thread engaged with gear-box, and described motor controls the rotation of the screw mandrel lifting to realize screw mandrel under command of a controller.
Further, described gear assembly, motor and controller are mounted in a control chamber, and described slider bottom is provided with mounting post, and mounting post is provided with the back-moving spring that lower end is resisted against in control chamber interior bottom wall.
Compared to prior art, the advantages such as the electric control valve actuator assembly disclosed by this utility model has simple in construction, dependable performance, long service life.
[accompanying drawing explanation]
Fig. 1 is consistent with the axonometric chart of electric control valve of the present utility model.
Fig. 2 is the installation diagram of the actuator assembly installed on screw mandrel as shown in Figure 1.
Fig. 3 is the installation diagram at another visual angle of actuator assembly as shown in Figure 2.
Fig. 4 is the decomposed figure of actuator assembly as shown in Figure 2.
Fig. 5 is the decomposed figure at another visual angle of actuator assembly as shown in Figure 4.
Fig. 6 is the axonometric chart of slide block in actuator assembly as shown in Figure 2.
Fig. 7 is the partial side elevation view in actuator assembly as shown in Figure 2.
Fig. 8 is side view after distance fine regulation between adjusting screw rod and shell fragment as shown in Figure 7.
Following detailed description of the invention will further illustrate this utility model in conjunction with above-mentioned accompanying drawing.
[detailed description of the invention]
As shown in Figures 1 to 6, meeting electric control valve 1000 of the present utility model and include valve body 200 and the electric control valve actuator assembly (hereinafter referred to as actuator assembly) 100 being arranged on valve body 200, described actuator assembly 100 is used for detecting the lifting extreme position of electric control valve 1000 inner spool (not shown). Actuator assembly 100 includes control chamber 300 and the screw mandrel 2 being connected between control chamber 300 and valve body 200, transmission power and the controller (not shown) for the gear assembly (not shown) of speed change, the motor (not shown) providing power to gear assembly and control motor are installed in described control chamber 300, obvious motor or control can also be installed on outside control chamber, have no effect on the practicality of the present embodiment. Screw mandrel 2 includes the screw mandrel upper end 201 being provided with gear-box engagement and the screw mandrel lower end 202 being connected with valve body 200. The spool (not shown) being connected with screw mandrel lower end 202 it is provided with, it is preferable that described screw mandrel lower end 202 is provided with hole 21, location, for installing the connector (non-label) being connected with spool in described valve body. Under the driving of motor, screw mandrel upper end 201 being rotated by gear assembly, being arranged on the screw thread on screw mandrel upper end 201 (non-label) drives screw mandrel 2 to rise or decline, and then the spool controlling to be connected on screw mandrel 2 lower end 202 rises or declines, to realize controlling the lifting travel of electric control valve 1000 inner spool.
Described actuator assembly 100 is for detecting and control the extreme position that screw mandrel 2 rises or declines, and actuator assembly 100 also includes the slide block 11 with screw mandrel 2 lifting and provides activity space (non-label) to slide block 11 and limit the fixing seat 10 of slide block 11 high-low limit stroke.Fixing seat 10 includes a pair fixed block 12 being oppositely arranged, in order to save material in the present embodiment, fixed block 12 is substantially adopted as U-shaped structure, fixed block 12 is positioned at the both sides, the front and back state in the clamping slide block 11 loosened of slide block 11, fixing seat 10 is provided with a pair microswitch 3, one of them is provided as microswitch 301 down, another is provided as lower microswitch 302 upward, upper microswitch 301 and the dislocation of lower microswitch 302 in the vertical direction provide an activity interval (non-label), obviously, in other embodiments, as long as the space of raising and lowering is enough, upper microswitch 301 and lower microswitch 302 also can be arranged on the same side of fixing seat 10.
The through fluting 110 being provided with longitudinal in the centre of slide block 11, screw mandrel 2 is installed with the cross bar 22 running through fluting 110, when described screw mandrel 2 rises or drops near extreme position cross bar 22 be resisted against fluting 110 upper end or lower end rise or fall with band movable slider 11, and then touch upper microswitch or lower microswitch respectively, close motor with trigger controller. Described microswitch 3 is individually fixed on two fixed blocks 12 by screw 13, in the present embodiment, the upper end of two fixed blocks 12 is linked together by microswitch 3 and screw 13, lower end is run through the installing hole 120 bottom it by screw 14 and is fixed in the interior bottom wall (not shown) of control chamber 300, fixing seat 10 is fixedly installed on control chamber 300 relative to valve body 200, does not move with the motion of screw mandrel 2.
What described microswitch 3 included obliquely extending from triggers shell fragment 31 and for accessing the pin 32 of lead-in wire, and the triggering shell fragment 31 of upper microswitch 301 and lower microswitch 302 is oppositely arranged in activity space. slide block 11 includes slider body 113 and extends and exceed the protuberance 114 of fixing seat 10 respectively towards the both sides of fixing seat 10, 115, described protuberance 114, adjustment hole 112 it is respectively equipped with on 115, it is separately installed with adjusting screw rod 15 in adjustment hole 112, described adjusting screw rod 15 extends towards triggering shell fragment 31 direction, when slide block 11 rises or drops near extreme position, drive adjusting screw rod 15 to touch and trigger shell fragment 31 to realize adjusting screw rod 15 and to trigger contacting between shell fragment 31, when the distance triggering shell fragment 31 deformation is enough to trigger microswitch 3, microswitch 3 makes controller output order stop the rotation of motor, and then stop the action rising or declining of screw mandrel 2, to protect the internal structure of electric control valve 1000.
Obviously, in other embodiments, according to actually used situation, when having only to the extreme position of that detection rises or declines in two states, it is only necessary to arranging single microswitch 3 in the side of fixing seat 10 can realize.
Further, adjusting screw rod 15 is optional is fixed on the protuberance 114,115 of slide block 11, it is possible to be arranged to can be adjustably mounted on slide block 11. in order to increase the service life of electric control valve 1000, in the present embodiment, the leading section 150 of described adjusting screw rod 15 and the distance triggering shell fragment 31 in the vertical direction can be regulated by the installation site of adjustment adjusting screw rod 15 with slide block 11, as shown in Figure 7, the leading section 150 of adjusting screw rod 15 is D1 with the distance of triggering shell fragment 31 in the vertical direction in the first embodiment, as shown in Figure 7, by being moved rearwards by adjusting screw rod 15, the leading section 150 that can make adjusting screw rod 15 is increased to D2 with the distance triggering shell fragment 31 in the vertical direction, in sum, when the insufficient sensitivity of electric control valve 1000, the sensitivity that can make electric control valve 1000 by moving forward adjusting screw rod 15 recovers.In the present embodiment, adjusting screw rod 15 is provided with screw thread (not shown), the protuberance 114 of described slide block 11,115 are provided with the adjustment hole (non-label) with female thread (not shown), described screw thread coordinates with adjustment hole, rotates 11 installation sites that adjusting screw rod 15 can realize adjusting adjusting screw rod 15 with slide block. Preferably, adjusting screw rod 15 is additionally provided with adjusting nut 105, described adjusting nut 105 is labeled with graduation mark (not shown) and controls the minute movement of adjusting screw rod 15 with convenient working personnel. Obviously, in other embodiments, adjusting screw rod may be used without the mode that multiple salient point and adjustment hole be clasped and realizes adjusting installation site.
Additionally, in order to anti-limited slip block 11 occurs blocking at bottom position and can not the situation of upward sliding, in the present embodiment, described slide block 11 is provided with mounting post 111 in bottom, and mounting post 111 is provided with the back-moving spring 4 that lower end is resisted against in control chamber interior bottom wall (non-label). When cross bar 22 leaves fluting 110 bottom position, slide block 11, under the rebound effect power of back-moving spring 4, brings up the adjusting screw rod 15 being arranged on protuberance 115 immediately and leaves the triggering shell fragment 31 in lower microswitch 302.
Meet actuator assembly 100 of the present utility model and there is higher sensitivity, while ensureing the reliability of electric control valve 1000, be also equipped with simple in construction, the advantage that improve the service life of product.
Claims (7)
1. an electric control valve actuator assembly, for detecting the lifting extreme position of electric control valve inner spool, including be vertically arranged can with movable valve plug lifting screw mandrel, with screw mandrel lifting slide block and restriction the upper and lower stroke of slide block fixing seat, described fixing seat includes a pair fixed block being oppositely arranged, it is characterized in that: be provided with the upper microswitch arranged down and the lower microswitch arranged upward on described fixing seat, slide block triggers microswitch and lower microswitch respectively when rising or drop to extreme position under the drive of screw mandrel.
2. electric control valve actuator assembly according to claim 1, it is characterised in that: described upper microswitch and lower microswitch are respectively arranged at the both sides of fixing seat, in angular distribution.
3. electric control valve actuator assembly according to claim 1, it is characterised in that: described microswitch is provided with the triggering shell fragment obliquely extended from.
4. electric control valve actuator assembly according to claim 1, it is characterized in that: the through fluting being provided with lengthwise in the middle of described slide block, being installed with the cross bar running through fluting on described screw mandrel, described screw mandrel rises or cross bar is resisted against the upper end of fluting or lower end rises or falls with band movable slider when dropping near extreme position.
5. electric control valve actuator assembly according to claim 1, it is characterized in that: described slide block each extends over towards the both sides of fixing seat and is provided with protuberance beyond fixing seat, described protuberance is provided with adjustment hole and the adjusting screw rod being arranged in adjustment hole, described adjusting screw rod extends towards triggering shell fragment direction, and when slide block rises or drops to extreme position, the leading section compression of adjusting screw rod triggers shell fragment.
6. electric control valve actuator assembly according to claim 1, it is characterized in that: also include transmitting the gear assembly of power to screw mandrel, the motor of power being provided to gear assembly, and the controller being electrically connected with upper microswitch and lower microswitch, screw mandrel is provided with the screw thread engaged with gear-box, and described motor controls the rotation of the screw mandrel lifting to realize screw mandrel under command of a controller.
7. electric control valve actuator assembly according to claim 6, it is characterized in that: described gear assembly, motor and controller are mounted in a control chamber, described slider bottom is provided with mounting post, and mounting post is provided with the back-moving spring that lower end is resisted against in control chamber interior bottom wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521127819.0U CN205298753U (en) | 2015-12-29 | 2015-12-29 | Electrical control valve executor subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521127819.0U CN205298753U (en) | 2015-12-29 | 2015-12-29 | Electrical control valve executor subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205298753U true CN205298753U (en) | 2016-06-08 |
Family
ID=56469827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521127819.0U Active CN205298753U (en) | 2015-12-29 | 2015-12-29 | Electrical control valve executor subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205298753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119042386A (en) * | 2024-10-25 | 2024-11-29 | 成都思鸿维科技有限责任公司 | High-precision electric head control box based on screw control |
-
2015
- 2015-12-29 CN CN201521127819.0U patent/CN205298753U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119042386A (en) * | 2024-10-25 | 2024-11-29 | 成都思鸿维科技有限责任公司 | High-precision electric head control box based on screw control |
| CN119042386B (en) * | 2024-10-25 | 2025-02-07 | 成都思鸿维科技有限责任公司 | High-precision electric head control box based on screw control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190228 Address after: 311800 No. 689 Jiefang Road, Diankou Industrial Zone, Zhuji County, Shaoxing City, Zhejiang Province Patentee after: ZHEJIANG DUNAN INTELLIGENT CONTROL TECHNOLOGY CO., LTD. Address before: 311814 Huxi Village, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: Zhejiang Dun'an Automatic Control Technology Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 311800 Zhejiang city in Shaoxing Province town of Zhuji city shop Industrial Zone Patentee after: Zhejiang deai Intelligent Control Technology Co., Ltd Address before: 689 Jiefang Road, Diankou Industrial Zone, Zhuji County, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG DUNAN VALVE Co.,Ltd. |