CN204042137U - Explosion-proof type craspedodrome electric actuator - Google Patents
Explosion-proof type craspedodrome electric actuator Download PDFInfo
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- CN204042137U CN204042137U CN201420496948.6U CN201420496948U CN204042137U CN 204042137 U CN204042137 U CN 204042137U CN 201420496948 U CN201420496948 U CN 201420496948U CN 204042137 U CN204042137 U CN 204042137U
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- output shaft
- housing
- electric actuator
- explosion
- craspedodrome
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Abstract
The utility model provides a kind of explosion-proof type craspedodrome electric actuator, belongs to electric actuator technical field.It solve existing electric actuator structure comparatively complicated and use problem safe not.This explosion-proof type craspedodrome electric actuator, comprise the housing with cavity, tubular supporting base is fixed with in housing, output shaft is connected with in the cavity of supporting base, output shaft and supporting base match, the driving mechanism that can drive output shaft alternating translational is also provided with in housing, the downside of housing is also provided with screw plug and screw plug is connected with housing screw thread, the lower end surface of output shaft is provided with groove, push rod is connected with in groove, the lower end surface with output shaft is stretched out in the outer end of push rod, is provided with spring between the inner of push rod and groove.This explosion-proof type craspedodrome electric actuator has the simple and advantage of use safety of structure.
Description
Technical field
The utility model belongs to electric actuator technical field, relates to a kind of craspedodrome electric actuator, particularly a kind of explosion-proof type craspedodrome electric actuator.
Background technique
Electric actuator is a kind of conventional electromechanical integration equipment (device) of automation field, is the actuating equipment in three large constituent elements (detection facility, regulating equipment and actuating equipment) of instrument and meter for automation.Mainly automatic operation is carried out to some equipment and device, control its switch and adjustment, replace manual work.Electric actuator by power type can be divided into pneumatic, surge, a few class such as electronic, electricity surges; Several classes such as straight journey, angle stroke, rotary type (how rotatable) can be divided into by forms of motion.
Early stage industrial field, many control is had to be manually with automanual, the dangerous position of direct body contact's industry equipment in operation and danger medium (the number of chemical material of solid, liquid, gas tri-state and radiant matter), very easily cause the injury to people, very dangerous, life of equipment is short, fragile, amount of maintenance is large; Based on above reason, actuator produces gradually and is applied to industry and other control field, reduces and avoids personal injury and device damage, greatly improving control accuracy and efficiency, also greatly improves manufacturing efficiency simultaneously.Be used in relatively dangerous environment based on final controlling element, from the angle of safety, development and Design has gone out Explosureproof electric activator more.
But current the used equal more complicated of Explosureproof electric activator mechanism, the blasting resistance structure adopted is heavier, and especially volume is comparatively large, makes troubles to as installed and use; The small-sized final controlling element being used for now controlling fluid is on the other hand all traditional, there is no explosion insulation performance, electric actuator easily produces spark again in operation, make this traditional electric actuator can only be used in without in inflammable and explosive media environment, can not be used in inflammable and explosive place, suitable environment scope is restricted.
Disclosed in Chinese patent literature, { application number: 201320047211.1}, comprises casing to a kind of Explosureproof electric activator, and casing is connected with case lid by bolt, is provided with between casing and case lid.Shape seal ring and the first explosion suppresion surface, gear-box and motor is provided with in casing, train of reduction gears is provided with in gear-box, the gear of train of reduction gears is connected with worm shaft close-fitting, worm shaft is connected on casing by worm bearing, be connected on casing with the worm-wheel shaft of worm shaft engagement driving by Worm Bearing, worm-wheel shaft has been bolted to connection back shaft, back shaft has been bolted auxiliary cam, casing is bolted one group with auxiliary boss with the use of electric position limit switch, splicing ear platform on electric position limit switch, terminal board is electrically connected with the power line of motor, back shaft is connected with indication dial plate, indication dial plate is aluminum alloy material.But this Explosureproof electric activator structure is comparatively complicated and use is safe not.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes the simple and explosion-proof type craspedodrome electric actuator of use safety of a kind of structure.
The purpose of this utility model realizes by following technical proposal: explosion-proof type craspedodrome electric actuator, comprise the housing with cavity, tubular supporting base is fixed with in described housing, output shaft is connected with in the cavity of described supporting base, described output shaft and described supporting base match, it is characterized in that, the driving mechanism that can drive described output shaft alternating translational is also provided with in described housing, the downside of described housing is also provided with screw plug and described screw plug is connected with described housing screw thread, the lower end surface of described output shaft is provided with groove, push rod is connected with in described groove, the lower end surface with output shaft is stretched out in the outer end of push rod, spring is provided with between the inner of described push rod and described groove.
Operationally, output shaft alternating translational is driven, because output shaft is located in the cavity of supporting base by driving mechanism, therefore the translation of output shaft is made to have good leading role, because the downside of housing is provided with screw plug, therefore play good explosion-proof effect, there is safer advantage.Because the lower end of output shaft is provided with groove; push rod and spring is provided with in cavity; when the driving force of driving mechanism to output shaft is excessive; spring is compressed; the valve be connected with this electronic actuators is played to the effect of protection; also this electric actuator is played to the effect of protection simultaneously, have and use safer advantage, the electric actuator of this explosion-proof type craspedodrome simultaneously has the comparatively simple and work advantage comparatively reliably of structure.
In above-mentioned explosion-proof type craspedodrome electric actuator, described driving mechanism comprises the motor be arranged in described housing, described supporting base upper end is coaxially provided with tubular drive sleeve, bearing is provided with between described drive sleeve and described supporting base, described drive sleeve internal thread is connected with transmission shaft, the lower end of described transmission shaft is resisted against the upper end of described output shaft all the time, for transmission is connected between the rotating shaft of described motor and described drive sleeve.
Rotated by driven by motor drive sleeve, the rotating through to be threaded of drive sleeve realizes the translation of transmission shaft, has structure simple, and work is advantage comparatively reliably.
In above-mentioned explosion-proof type craspedodrome electric actuator, described driving mechanism is be arranged on the motor in described housing, and the rotating shaft of described motor is fixed with gear, described output shaft is fixed with the tooth bar be meshed with described gear.Motor drives output shaft to realize moving back and forth by the transmission of gear rack, has the simple and advantage of reliable operation of structure.
In above-mentioned explosion-proof type craspedodrome electric actuator, described output shaft and described transmission shaft are structure as a whole.Output shaft and transmission shaft are structure as a whole, have structure simple, manufacture conveniently advantage.
In above-mentioned explosion-proof type craspedodrome electric actuator, the screw plug of the quantity of described screw plug for two and described in two is set in parallel.Two screw plugs are set in parallel, and have the good advantage of explosion-proof effect.
In above-mentioned explosion-proof type craspedodrome electric actuator, described housing is fixed with tubular bearing housing, the lower end of described output shaft is arranged in described bearing housing.By arranging bearing housing on housing, good leading role is played to moving back and forth of output shaft.
Compared with prior art, this explosion-proof type craspedodrome electric actuator has the following advantages:
1, because the lower end of output shaft is provided with groove, push rod and spring is provided with in cavity, when the driving force of driving mechanism to output shaft is excessive, spring is compressed, the valve be connected with this electronic actuators is played to the effect of protection, also this electric actuator is played to the effect of protection simultaneously, have and use safer advantage;
2, rotated by driven by motor drive sleeve, the rotating through to be threaded of drive sleeve realizes the translation of transmission shaft, has structure simple, and work is advantage comparatively reliably;
3, output shaft and transmission shaft are structure as a whole, have structure simple, manufacture conveniently advantage;
4, bearing housing is set on housing, good leading role is played to moving back and forth of output shaft.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of this explosion-proof type craspedodrome electric actuator.
Fig. 2 is the schematic top plan view of this explosion-proof type craspedodrome electric actuator.
In figure, 1, housing; 2, supporting base; 3, output shaft; 4, driving mechanism; 4a, motor; 4b, drive sleeve; 4c, transmission shaft; 5, screw plug; 6, push rod; 7, spring; 8, bearing housing.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As illustrated in fig. 1 and 2, explosion-proof type craspedodrome electric actuator, comprise the housing 1 with cavity, tubular supporting base 2 is fixed with in housing 1, output shaft 3 is connected with in the cavity of supporting base 2, output shaft 3 and supporting base 2 match, the driving mechanism 4 that can drive output shaft 3 alternating translational is also provided with in housing 1, the downside of housing 1 is also provided with screw plug 5, the quantity of screw plug 5 is two and two screw plugs 5 are set in parallel, screw plug 5 is all connected with housing 1 screw thread, has the good advantage of explosion-proof effect.The lower end surface of output shaft 3 is provided with groove, is connected with push rod 6 in groove, and the lower end surface with output shaft 3 is stretched out in the outer end of push rod 6, is provided with spring 7 between the inner of push rod 6 and described groove.
Driving mechanism 4 comprises the motor 4a be arranged in housing 1, supporting base 2 upper end is coaxially provided with tubular drive sleeve 4b, bearing is provided with between drive sleeve 4b and supporting base 2, drive sleeve 4b internal thread is connected with transmission shaft 4c, the lower end of transmission shaft 4c is resisted against the upper end of output shaft 3 all the time, the rotating shaft of motor 4a with between drive sleeve 4b for transmission is connected, output shaft 3 and transmission shaft 4c are structure as a whole, have structure simple, manufacture conveniently advantage.
Alternatively, driving mechanism 4, for being arranged on the motor 4a in housing 1, the rotating shaft of motor 4a being fixed with gear, output shaft 3 being fixed with the tooth bar be meshed with gear.Motor 4a drives output shaft 3 to realize moving back and forth by the transmission of gear rack, has the simple and advantage of reliable operation of structure.
Housing 1 is fixed with tubular bearing housing 8, described output shaft 3 is arranged in described bearing housing 8.By arranging bearing housing 8 on housing 1, good leading role is played to moving back and forth of output shaft 3.
Operationally, output shaft 3 alternating translational is driven by driving mechanism 4, because output shaft 3 is located in the cavity of supporting base 2, therefore the translation of output shaft 3 is made to have good leading role, downside due to housing 1 is provided with screw plug 5, therefore play good explosion-proof effect, there is safer advantage.Because the lower end of output shaft 3 is provided with groove, in cavity, be provided with push rod 6 and spring 7.Drive sleeve 4b is driven to rotate by motor 4a; the rotating through to be threaded of drive sleeve 4b realizes the translation of transmission shaft 4c; the translation of transmission shaft 4c drives output shaft 3 to move; when output shaft 3 is subject to excessive driving force; spring 7 is compressed; the valve be connected with this electronic actuators is played to the effect of protection; also this electric actuator is played to the effect of protection simultaneously; have and use safer advantage, the electric actuator of this explosion-proof type craspedodrome simultaneously has the comparatively simple and work advantage comparatively reliably of structure.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the term such as housing 1, supporting base 2, output shaft 3, driving mechanism 4, motor 4a, drive sleeve 4b, transmission shaft 4c, screw plug 5, push rod 6, spring 7, bearing housing 8 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (6)
1. explosion-proof type craspedodrome electric actuator, comprise the housing (1) with cavity, tubular supporting base (2) is fixed with in described housing (1), output shaft (3) is connected with in the cavity of described supporting base (2), described output shaft (3) and described supporting base (2) match, it is characterized in that, the driving mechanism (4) that can drive described output shaft (3) alternating translational is also provided with in described housing (1), the downside of described housing (1) is also provided with screw plug (5) and described screw plug (5) is connected with described housing (1) screw thread, the lower end surface of described output shaft (3) is provided with groove, push rod (6) is connected with in described groove, the lower end surface with output shaft (3) is stretched out in the outer end of push rod (6), spring (7) is provided with between the inner of described push rod (6) and described groove.
2. explosion-proof type craspedodrome electric actuator according to claim 1, it is characterized in that, described driving mechanism (4) comprises the motor (4a) be arranged in described housing (1), described supporting base (2) upper end is coaxially provided with tubular drive sleeve (4b), bearing is provided with between described drive sleeve (4b) and described supporting base (2), described drive sleeve (4b) internal thread is connected with transmission shaft (4c), the lower end of described transmission shaft (4c) is resisted against the upper end of described output shaft (3) all the time, the rotating shaft of described motor (4a) with between described drive sleeve (4b) for transmission is connected.
3. explosion-proof type craspedodrome electric actuator according to claim 1, it is characterized in that, described driving mechanism (4) is for being arranged on the motor (4a) in described housing (1), the rotating shaft of described motor (4a) is fixed with gear, described output shaft (3) is fixed with the tooth bar be meshed with described gear.
4. explosion-proof type craspedodrome electric actuator according to claim 2, is characterized in that, described output shaft (3) and described transmission shaft (4c) are structure as a whole.
5. the explosion-proof type craspedodrome electric actuator according to claim 1 or 2 or 3 or 4, is characterized in that, the screw plug (5) of the quantity of described screw plug (5) for two and described in two is set in parallel.
6. the explosion-proof type craspedodrome electric actuator according to claim 1 or 2 or 3 or 4, it is characterized in that, described housing (1) is fixed with tubular bearing housing (8), and the lower end of described output shaft (3) is arranged in described bearing housing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496948.6U CN204042137U (en) | 2014-08-29 | 2014-08-29 | Explosion-proof type craspedodrome electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496948.6U CN204042137U (en) | 2014-08-29 | 2014-08-29 | Explosion-proof type craspedodrome electric actuator |
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| Publication Number | Publication Date |
|---|---|
| CN204042137U true CN204042137U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420496948.6U Expired - Fee Related CN204042137U (en) | 2014-08-29 | 2014-08-29 | Explosion-proof type craspedodrome electric actuator |
Country Status (1)
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| CN (1) | CN204042137U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465332A (en) * | 2015-12-28 | 2016-04-06 | 温州合力自动化仪表有限公司 | Small-scale anti-explosion actuator |
| CN105626928A (en) * | 2016-01-21 | 2016-06-01 | 四川海力智能科技股份有限公司 | Anti-failure method of intelligent meter motor valve |
-
2014
- 2014-08-29 CN CN201420496948.6U patent/CN204042137U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465332A (en) * | 2015-12-28 | 2016-04-06 | 温州合力自动化仪表有限公司 | Small-scale anti-explosion actuator |
| CN105465332B (en) * | 2015-12-28 | 2018-06-22 | 温州合力自动化仪表有限公司 | Small anti-explosion actuator |
| CN105626928A (en) * | 2016-01-21 | 2016-06-01 | 四川海力智能科技股份有限公司 | Anti-failure method of intelligent meter motor valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20160829 |