CN202852130U - Switching mechanism used for block-shifting type valve electric actuator - Google Patents
Switching mechanism used for block-shifting type valve electric actuator Download PDFInfo
- Publication number
- CN202852130U CN202852130U CN201220481187.8U CN201220481187U CN202852130U CN 202852130 U CN202852130 U CN 202852130U CN 201220481187 U CN201220481187 U CN 201220481187U CN 202852130 U CN202852130 U CN 202852130U
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- China
- Prior art keywords
- shifting block
- output shaft
- female connector
- supporting base
- block
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a switching mechanism used for a block-shifting type valve electric actuator. The switching mechanism used for the block-shifting type valve electric actuator comprises a switching handle part, a block-shifting part, a block-shifting frame and an output shaft part. The output shaft part is installed inside a box body, the block-shifting frame is installed on the output shaft part, one end of the block-shifting frame is installed on a lug of a box body wall and rotationally connected with the lug, a groove is formed at the other end of the block-shifting frame, the switching handle part is installed on one side of the output shaft part, the block-shifting part is installed at one end of the switching handle part, and a pin arranged on the block-shifting part is connected inside the groove formed in the block-shifting frame. The structure of the switching mechanism used for the block-shifting type valve electric actuator enables a switching force to be reduced, the switching handle can reset automatically after being pressed down manually, misoperations are not prone to happening, and the switching mechanism used for the block-shifting type valve electric actuator is simple and compact in structure.
Description
Technical field
The utility model relates to a kind of shifting block type switching mechanism for electric valve device.
Background technique
Electric device for valve all should be equipped with manual-operating mechanism, in order to change operating mode, also switch means should be arranged, namely manually → and electric switch-over mechanism.Divide by function, can be divided into full manual switchover, automatically switch and three kinds of forms of semi-automatic switching.Divide by institute's holding position, can be divided in the high speed shaft switching with at lower velocity shaft and switch two kinds of forms.When the electric device for valve output torque hour, the general semi-automatic switcher structure that switches at lower velocity shaft that adopts.Switch the switch forms that adopts on the electric device for valve lower velocity shaft originally: to worm shaft, worm shaft has gear on worm by the motor stage-geared, is transferred to worm gear, output shaft by worm shaft again, and clutch, stage clip are arranged on the output shaft.Switching part is manual axle independently, and manually axle one end is installed connecting plate, and bearing pin is installed on the connecting plate, and up-and-down rod is installed on the bearing pin, and the other end is installed and switched handle.By switching part, stir clutch, make the gear engagement of gear on the clutch and manual components, this moment can be manually.When electronic, the rotation of motor rotation → gear on worm rotation → worm shaft rotation → worm gear, the up-and-down rod that stands on the worm gear plane falls down, and clutch moves down under the stage clip effect, and the electric operating position is got back to again in being out of gear of clutch and manual components this moment.The shortcoming of this switching construction is: the switching mechanism complex structure, switching power is large, switch handle when manual for depressed position, can not automatically reset when electronic, easily go to turn back the misoperation of switching handle, in addition, owing to foozle or when not self-locking of worm screw, the up-and-down rod of switching part is astasia on the worm gear plane, falls down easily poor reliability.
The model utility content
The utility model technical issues that need to address are that the switching mechanism complex structure, switching power of existing electric device for valve is large and switch handle and can not automatically reset easily misoperation, poor reliability.
For solving the problems of the technologies described above, the utility model provides a kind of shifting block type switching mechanism for electric valve device, comprise the switching handle component, the shifting block parts, shifting block frame and output shaft assembly, described output shaft assembly is installed in the casing, described shifting block frame is installed on the output shaft assembly, one end is installed on the lug of box body wall, and be rotationally connected with described lug, the other end has groove, described switching handle component is installed in a side of described output shaft assembly, described shifting block parts are installed in described switching handle component one end, and the pin on the described shifting block parts is connected in the groove of described shifting block frame; Described switching handle component comprises supporting base, handle, torsion spring and female connector, one end of described handle is equipped with supporting base and female connector successively, described handle and supporting base are rotationally connected, be connected by key with female connector, described torsion spring is connected between supporting base and the female connector, described supporting base is provided with dental inlay with an end that is connected with female connector, and described female connector two ends are equipped with dental inlay, and described supporting base is fixedly connected on the casing; Described shifting block parts comprise shifting block, support tooth, spring and pin, be provided with mounting hole in the middle of the described shifting block, circumference is provided with cursor and boss, described cursor end has through hole, described pin is fixedly mounted in the described through hole, have blind hole on the described boss, described support tooth by spring fitting in described blind hole, described shifting block with switch a end that handle component is connected be provided with described female connector on the suitable dental inlay of dental inlay; Described output shaft assembly comprises output shaft, clutch cover and worm gear, and described output shaft is connected with described clutch cover by feather key, and described worm gear set is on output shaft, and the upper plane of described worm gear is an eccentric boss, and is provided with dental inlay on the upper plane of described worm gear.
Wherein said output shaft assembly also comprises stage clip, setting sleeve and bearing, described bearings is at described output shaft two ends, described stage clip one end is fixedly connected with feather key, one end is fixedly connected with setting sleeve, described setting sleeve is fixed on the bearing below, described shifting block frame is installed on the output shaft, is positioned at the clutch cover below, the worm gear top.
As further improvement of the utility model, described blind hole is provided with the pre-installation hole; The outer end of described female connector is provided with back-up ring; Be provided with O-ring seals between described handle and the supporting base, also be provided with O-ring seals between described supporting base and the casing.The pre-installation hole is in order to block the support tooth with little pin when pre-installing, not allow the support tooth break away from the shifting block hole; In order to prevent the disengagement of supporting base and female connector, so good with the back-up ring card in the outer end of female connector, O-ring seals plays sealing.
Shifting block type switching mechanism for electric valve device of the present utility model, it is the semi-automatic switcher structure that switches at lower velocity shaft, this structure so that switching power diminish, can automatically reset after pressing when the switching handle is manual, misoperation can not occur, simple in structure, compact, in addition, hand, electronic switching are very reliable.
End at shifting block, female connector and supporting base all is provided with dental inlay, torsion spring is being housed for after switching manually between supporting base and the female connector, and handle capable of being automatically resets; Do an eccentric boss on the upper plane of worm gear, also be provided with dental inlay on the worm gear on the plane and be and to automatically reset when electronic; Adopting support tooth, spring structure in the shifting block parts is in order to increase the reliability of hand, electronic switching, when manual switchover, press lower handle, and shifting block rotates, and supports tooth and is supported on the plane of worm gear, maintains static; Increase the shifting block frame parts, play the effect of reinforcement when switching, reduce switching power.
Description of drawings
Fig. 1 is plan view of the present utility model;
Fig. 2 is plan view of the present utility model;
Fig. 3 is stripping and slicing handle component structural representation of the present utility model;
Fig. 4 is shifting block modular construction schematic representation of the present utility model;
Fig. 5 is shifting block mount structure schematic representation of the present utility model;
Fig. 6 is the plan view of the utility model worm gear;
Fig. 7 is the right elevation of the utility model worm gear;
Wherein, 1-casing, 2-shifting block frame, 3-lug, 4-groove, 5-pin 6-supporting base, 7-handle, 8-torsion spring, 9-female connector, 10 shifting blocks, 11-supports tooth, 12-spring, 13-mounting hole, 14-cursor, 15-boss, the 16-through hole, 17-blind hole, 18-output shaft, 19-clutch cover, the 20-worm gear, 21-feather key, 22-stage clip, 23-setting sleeve, the 24-bearing, 25-pre-installation hole, 26-back-up ring, 27-O shape seal ring.
Embodiment
Describe optimal technical scheme of the present utility model in detail below in conjunction with accompanying drawing.
As shown in the figure, shifting block type switching mechanism for electric valve device of the present utility model, comprise the switching handle component, the shifting block parts, shifting block frame and output shaft assembly, described output shaft assembly is installed in the casing 1, described shifting block frame 2 is installed on the output shaft assembly, one end is installed on the lug 3 of box body wall, and be rotationally connected with described lug 3, the other end has groove 4, described switching handle component is installed in a side of described output shaft assembly, described shifting block parts are installed in described switching handle component one end, and the pin 5 on the described shifting block parts is connected in the groove 4 of described shifting block frame; Described switching handle component comprises supporting base 6, handle 7, torsion spring 8 and female connector 9, one end of described handle 7 is equipped with supporting base 6 and female connector 9 successively, the outer end of described female connector 9 is provided with back-up ring 26, described handle 7 is rotationally connected with supporting base 6, be connected by key with female connector 9, described torsion spring 8 is connected between supporting base 6 and the female connector 9, described supporting base 6 with are connected an end that is connected with female connector and are provided with dental inlay, described female connector 9 two ends are equipped with dental inlay, described supporting base 6 is fixedly connected on the casing 1, be provided with O-ring seals 27 between described handle 7 and the supporting base 6, also be provided with O-ring seals 27 between described supporting base 6 and the casing 1; Described shifting block parts comprise shifting block 10, support tooth 11, spring 12 and sell 5, be provided with mounting hole 13 in the middle of the described shifting block 10, circumference is provided with cursor 14 and boss 15, described cursor 14 ends have through hole 16, described pin 5 is fixedly mounted in the described through hole 16, have blind hole 17 on the described boss 15, described support tooth 11 is installed in the described blind hole 17 by spring 12, described blind hole 17 is provided with pre-installation hole 25, described shifting block 10 with switch a end that handle component is connected be provided with described female connector 9 on the suitable dental inlay of dental inlay; Described output shaft assembly comprises output shaft 18, clutch cover 19, worm gear 20, stage clip 22, setting sleeve 23 and bearing 24, described output shaft 18 is connected with described clutch cover 19 by feather key 21, described snail 20 is taken turns and is enclosed within on the output shaft 18, the upper plane of described worm gear 20 is an eccentric boss, and be provided with dental inlay on the upper plane of described worm gear 20, described bearing 24 is supported on described output shaft 18 two ends, described stage clip 22 1 ends are fixedly connected with feather key 21, one end is fixedly connected with setting sleeve 23, described setting sleeve 23 is fixed on bearing 24 belows, described shifting block frame 2 is installed on the output shaft 18, is positioned at clutch cover 19 belows, worm gear 20 tops.
End at shifting block, female connector and supporting base all is provided with dental inlay, torsion spring is being housed for after switching manually between supporting base and the female connector, and handle capable of being automatically resets; Do an eccentric boss on the upper plane of worm gear, also be provided with dental inlay on the worm gear on the plane and be and to automatically reset when electronic; Adopting support tooth, spring structure in the shifting block parts is in order to increase the reliability of hand, electronic switching, when manual switchover, press lower handle, and shifting block rotates, and supports tooth and is supported on the plane of worm gear, maintains static; Increase the shifting block frame parts, play the effect of reinforcement when switching, reduce switching power.The pre-installation hole is in order to block the support tooth with little pin when pre-installing, not allow the support tooth break away from the shifting block hole; In order to prevent the disengagement of supporting base and female connector, so good with the back-up ring card in the outer end of female connector, O-ring seals plays sealing.
Shifting block type switching mechanism for electric valve device of the present utility model, it is the semi-automatic switcher structure that switches at lower velocity shaft, this structure so that switching power diminish, can automatically reset after pressing when the switching handle is manual, misoperation can not occur, simple in structure, compact, in addition, hand, electronic switching are very reliable.
When the utility model is electronic be by the motor direct-drive to worm screw, be transferred to again worm gear.When manual switchover, press the switching handle, be delivered to shifting block by female connector, making shifting block promote the shifting block frame upwards lifts, until the support tooth of shifting block parts is supported on the upper plane of worm gear, the shifting block frame moves up clutch cover, the feather key on the clutch cover and the engagement of the dental inlay of manual components, this moment can be manually, and switch handle and automatically reset under the effect of torsion spring this moment.
When electronic, motor rotates, and is delivered to worm screw and rotates, and drives worm gear and rotates, on the worm gear the eccentric boss on plane the support tooth in the shifting block parts to pusher, the shifting block parts lose to support and fall, and the shifting block frame is along with falling, and clutch cover moves down, feather key on the clutch cover and the dental inlay of manual components are thrown off, lower dental inlay on the clutch cover and the engagement of the dental inlay of worm gear, get back to the electric operating position this moment, and this process is that electric device for valve itself is finished automatically.
The utility model structure can automatically reset after pressing when the switching handle is manual so that switching power diminishes, and misoperation can not occur, and is simple in structure, compact.
Claims (5)
1. shifting block type switching mechanism for electric valve device, it is characterized in that: comprise the switching handle component, the shifting block parts, shifting block frame and output shaft assembly, described output shaft assembly is installed in the casing (1), described shifting block frame (2) is installed on the output shaft assembly, one end is installed on the lug (3) of box body wall, and be rotationally connected with described lug (3), the other end has groove (4), described switching handle component is installed in a side of described output shaft assembly, described shifting block parts are installed in described switching handle component one end, and the pin (5) on the described shifting block parts is connected in the groove (4) of described shifting block frame (2); Described switching handle component comprises supporting base (6), handle (7), torsion spring (8) and female connector (9), one end of described handle (7) is equipped with supporting base (6) and female connector (9) successively, described handle (7) is rotationally connected with supporting base (6), be connected by key with female connector (9), described torsion spring (8) is connected between supporting base (6) and the female connector (9), described supporting base (6) be connected 9 with female connector) end that is connected is provided with dental inlay, described female connector (9) two ends are equipped with dental inlay, and described supporting base (6) is fixedly connected on the casing (1); Described shifting block parts comprise shifting block (10), support tooth (11), spring (12) and pin (5), be provided with mounting hole (13) in the middle of the described shifting block (10), circumference is provided with cursor (14) and boss (15), described cursor (14) end has through hole (16), described pin (5) is fixedly mounted in the described through hole (16), have blind hole (17) on the described boss (15), described support tooth (11) is installed in the described blind hole (17) by spring (12), described shifting block (10) with switch a end that handle component is connected be provided with described female connector (9) on the suitable dental inlay of dental inlay; Described output shaft assembly comprises output shaft (18), clutch cover (19) and worm gear (20), described output shaft (18) is connected with described clutch cover (19) by feather key (21), described worm gear (20) is enclosed within on the output shaft (18), the upper plane of described worm gear (20) is an eccentric boss, and is provided with dental inlay on the upper plane of described worm gear (20).
2. shifting block type switching mechanism for electric valve device as claimed in claim 1, it is characterized in that: described output shaft assembly also comprises stage clip (22), setting sleeve (23) and bearing (24), described bearing (24) is supported on described output shaft (18) two ends, described stage clip (22) one ends are fixedly connected with feather key (21), one end is fixedly connected with setting sleeve (23), described setting sleeve (23) is fixed on bearing (24) below, described shifting block frame (2) is installed on the output shaft (18), be positioned at clutch cover (23) below, worm gear (20) top.
3. shifting block type switching mechanism for electric valve device as claimed in claim 1, it is characterized in that: described blind hole (17) is provided with pre-installation hole (25).
4. such as claim 1 or 2 or 3 described shifting block type switching mechanism for electric valve devices, it is characterized in that: the outer end of described female connector (9) is provided with back-up ring (26).
5. shifting block type switching mechanism for electric valve device as claimed in claim 4, it is characterized in that: be provided with O-ring seals (27) between described handle (7) and the supporting base (6), also be provided with O-ring seals (27) between described supporting base (6) and the casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220481187.8U CN202852130U (en) | 2012-09-20 | 2012-09-20 | Switching mechanism used for block-shifting type valve electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220481187.8U CN202852130U (en) | 2012-09-20 | 2012-09-20 | Switching mechanism used for block-shifting type valve electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202852130U true CN202852130U (en) | 2013-04-03 |
Family
ID=47983335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220481187.8U Expired - Lifetime CN202852130U (en) | 2012-09-20 | 2012-09-20 | Switching mechanism used for block-shifting type valve electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202852130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561605A (en) * | 2018-07-17 | 2018-09-21 | 常州诚磊阀门科技有限公司 | A kind of valve actuating device and valve |
-
2012
- 2012-09-20 CN CN201220481187.8U patent/CN202852130U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561605A (en) * | 2018-07-17 | 2018-09-21 | 常州诚磊阀门科技有限公司 | A kind of valve actuating device and valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Feng Qi Road, Wujin hi tech Development Zone, Changzhou City, Jiangsu Province, No. 8 213164 Patentee after: CHANGZHOU POWER STATION AUXILIARY EQUIPMENT CO.,LTD. Address before: Feng Qi Road, Wujin hi tech Development Zone, Changzhou City, Jiangsu Province, No. 8 213164 Patentee before: Changzhou Power Station Auxiliary Equipment Works Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |
|
| CX01 | Expiry of patent term |