CN107166083A - The part of revolving valves manual driving device that a kind of logical lid and boring cover do not stress - Google Patents
The part of revolving valves manual driving device that a kind of logical lid and boring cover do not stress Download PDFInfo
- Publication number
- CN107166083A CN107166083A CN201710532350.6A CN201710532350A CN107166083A CN 107166083 A CN107166083 A CN 107166083A CN 201710532350 A CN201710532350 A CN 201710532350A CN 107166083 A CN107166083 A CN 107166083A
- Authority
- CN
- China
- Prior art keywords
- worm screw
- boring cover
- drive device
- stress
- manual driving
- Prior art date
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses the part of revolving valves manual driving device that a kind of logical lid and boring cover do not stress, including：The worm screw being supported on by a pair of thrust bearings in drive device casing, the worm gear being meshed with the worm screw, the worm screw includes worm screw teeth portion and worm screw mandrel, the worm screw teeth portion and the worm screw mandrel are connected as a single entity by elastic cylindrical pin, one end of the drive device casing is provided with boring cover, the other end and is provided with logical lid, and one end of the worm screw mandrel is located in the boring cover, the other end stretches out the drive device casing and Tong Gai successively.Through the above way, the present invention is simple and reasonable, the axial thrust of worm screw is acted directly on casing by thrust bearing, avoid stress at existing logical, boring cover, fix logical, the screw insufficient strength of boring cover and drive device is there is weak link, structure of the present invention can effectively improve the service life and safety in utilization of drive device.
Description
Technical field
The present invention relates to valve matched device field, the part revolving valve that more particularly to a kind of logical lid and boring cover do not stress
Door manual driving device.
Background technology
Part of revolving valves manual driving device, is mainly assemblied in ball valve, butterfly valve etc., occupies larger in valve industry
Market share, its primary structure form is Worm Wheel System.Influenceed by Worm Wheel System type, worm screw bears axle simultaneously
To thrust and radial thrust, its axial thrust is much larger than radial thrust.
Present part of revolving valves manual driving device manufacturer, all uses and installs logical, boring cover form additional to bear
Worm screw axial thrust, installing logical, boring cover additional can make its part of revolving valves manual driving device structure become big, and fix logical, vexed
Lid is, it is necessary to using screw, in small dimension part of revolving valves manual driving device, this body contour is smaller, used screw specification
It is relatively small, the weak link of whole part of revolving valves manual driving device is easily become, so as to influence making for drive device
With life-span and safety in utilization.
The content of the invention
The present invention solves the technical problem of provide the part of revolving valves manual actuation that a kind of logical lid and boring cover do not stress
Device, makes axial thrust act directly on drive device casing, it is to avoid logical, boring cover fixed screw insufficient strength and fill driving
Put and there is weak link, influence its service life and safety in utilization.
In order to solve the above technical problems, one aspect of the present invention is：There is provided a kind of logical lid and boring cover not by
The part of revolving valves manual driving device of power, including：Be supported on by a pair of thrust bearings worm screw in drive device casing,
The worm gear being meshed with the worm screw, the worm screw includes worm screw teeth portion and worm screw mandrel, the worm screw teeth portion and the worm screw
Mandrel is connected as a single entity by elastic cylindrical pin, and one end of the drive device casing is provided with boring cover, the other end and is provided with logical lid,
One end of the worm screw mandrel is located in the boring cover, the other end stretches out the drive device casing and Tong Gai successively.
In a preferred embodiment of the present invention, the both sides of the worm screw teeth portion are machined with integral perpendicular end surface.
In a preferred embodiment of the present invention, the perpendicular end surface of the pair of thrust bearing respectively with worm screw teeth portion both sides
Contact.
In a preferred embodiment of the present invention, the Tong Gainei is provided with O shape rubber seal.
In a preferred embodiment of the present invention, the worm screw mandrel uses the worm screw mandrel of optical axis form.
The beneficial effects of the invention are as follows：The present invention is simple and reasonable, and worm screw is supported on driving by a pair of thrust bearings
In device box, the axial thrust of worm screw is acted directly on by thrust bearing on casing, it is to avoid at existing logical, boring cover by
Power, fixes logical, the screw insufficient strength of boring cover and drive device is there is weak link, structure of the present invention can effectively improve driving
The service life and safety in utilization of device；In addition worm screw teeth portion is connected as a single entity with worm screw mandrel by elastic cylindrical pin, can be with
Limitation worm screw output torque is met, is operated in operating personnel's cruelty, elastic cylindrical pin is damaged, it is ensured that the safety of other parts.
Brief description of the drawings
Fig. 1 is that the part of revolving valves manual driving device one that the present invention a kind of logical lid and boring cover do not stress is preferably real
Apply the structural representation of example；
The mark of each part is as follows in accompanying drawing：1st, drive device casing, 2, worm screw, 3, worm gear, 4, thrust bearing, 5, boring cover, 6,
Logical lid, 7, elastic cylindrical pin, 8, O shape rubber seal, 21, worm screw mandrel, 22, worm screw teeth portion.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Referring to Fig. 1, the embodiment of the present invention includes：
The part of revolving valves manual driving device that a kind of logical lid and boring cover do not stress, including：Supported by a pair of thrust bearings 4
Worm screw 2 in drive device casing 1, the worm gear 3 being meshed with the worm screw 2, the axial thrust of worm screw 2 pass through thrust bearing
4 may be made directly on drive device casing 1；
The worm screw 2 includes worm screw teeth portion 22 and worm screw mandrel 21, and the worm screw teeth portion 22 and the worm screw mandrel 21 pass through bullet
Property straight pin 7 be connected as a single entity, the limitation output torque of worm screw 2 can be met, if operating personnel's cruelty operation, elastic cylindrical pin 7 damages
It is bad, it is ensured that the safety of other parts；
One end of the drive device casing 1 is provided with boring cover 5, the other end and is provided with logical lid 6, one end of the worm screw mandrel 21
In the boring cover 5, the other end stretch out the drive device casing 1 and logical lid 6 successively.
Wherein, the both sides of the worm screw teeth portion 22 are machined with integral perpendicular end surface, the pair of thrust bearing 4 respectively with
The perpendicular end surface contact.
O shapes rubber seal 8 is installed, to prevent from having water entrance between worm screw mandrel 21 and logical lid 6 in the logical lid 6.
The worm screw mandrel 21 uses the worm screw mandrel of optical axis form, and processing cost is low, and the worm screw mandrel 21 is used for holding
It is connected by radial thrust, and with handwheel, input power.
Present invention is disclosed the part of revolving valves manual driving device that a kind of logical lid and boring cover do not stress, conjunction simple in construction
Reason, worm screw is supported in drive device casing by a pair of thrust bearings, makes the axial thrust of worm screw direct by thrust bearing
Act on casing, it is to avoid stress at existing logical, boring cover, fix logical, the screw insufficient strength of boring cover and there is drive device
Weak link, structure of the present invention can effectively improve the service life and safety in utilization of drive device；In addition worm screw teeth portion and snail
Bar mandrel is connected as a single entity by elastic cylindrical pin, can meet limitation worm screw output torque, is operated in operating personnel's cruelty, elasticity
Straight pin is damaged, it is ensured that the safety of other parts.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (5)
1. the part of revolving valves manual driving device that a kind of logical lid and boring cover do not stress, it is characterised in that including：Pass through a pair
Worm screw that thrust bearing is supported in drive device casing, the worm gear being meshed with the worm screw, the worm screw include worm tooth
Portion and worm screw mandrel, the worm screw teeth portion and the worm screw mandrel are connected as a single entity by elastic cylindrical pin, the drive device case
One end of body is provided with boring cover, the other end and is provided with logical lid, one end of the worm screw mandrel is located in the boring cover, the other end according to
It is secondary to stretch out the drive device casing and Tong Gai.
2. the part of revolving valves manual driving device that logical lid according to claim 1 and boring cover do not stress, its feature exists
In the both sides of the worm screw teeth portion are machined with integral perpendicular end surface.
3. the part of revolving valves manual driving device that logical lid according to claim 1 and boring cover do not stress, its feature exists
In perpendicular end surface of the pair of thrust bearing respectively with worm screw teeth portion both sides is contacted.
4. the part of revolving valves manual driving device that logical lid according to claim 1 and boring cover do not stress, its feature exists
In the Tong Gainei is provided with O shape rubber seal.
5. the part of revolving valves manual driving device that logical lid according to claim 1 and boring cover do not stress, its feature exists
In the worm screw mandrel uses the worm screw mandrel of optical axis form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710532350.6A CN107166083A (en) | 2017-07-03 | 2017-07-03 | The part of revolving valves manual driving device that a kind of logical lid and boring cover do not stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710532350.6A CN107166083A (en) | 2017-07-03 | 2017-07-03 | The part of revolving valves manual driving device that a kind of logical lid and boring cover do not stress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107166083A true CN107166083A (en) | 2017-09-15 |
Family
ID=59828083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710532350.6A Pending CN107166083A (en) | 2017-07-03 | 2017-07-03 | The part of revolving valves manual driving device that a kind of logical lid and boring cover do not stress |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107166083A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10146016A (en) * | 1996-11-06 | 1998-05-29 | Mitsui Mining & Smelting Co Ltd | Thrust bearing device in actuator |
| CN2568910Y (en) * | 2002-08-21 | 2003-08-27 | 郑州市蝶阀厂 | Actuator for close/open of valve |
| CN201475480U (en) * | 2009-07-20 | 2010-05-19 | 铜陵市江南阀门机械有限公司 | Drive device capable of precisely operating valve |
| US20110266478A1 (en) * | 2010-04-29 | 2011-11-03 | T-3 Property Holdings, Inc. | Adjustable choke for oil and gas industry |
| CN202327011U (en) * | 2011-12-09 | 2012-07-11 | 浙江康明斯机械有限公司 | Worm wheel speed reducer |
| CN104315238A (en) * | 2014-10-14 | 2015-01-28 | 侯成龙 | Plastic valve actuator |
-
2017
- 2017-07-03 CN CN201710532350.6A patent/CN107166083A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10146016A (en) * | 1996-11-06 | 1998-05-29 | Mitsui Mining & Smelting Co Ltd | Thrust bearing device in actuator |
| CN2568910Y (en) * | 2002-08-21 | 2003-08-27 | 郑州市蝶阀厂 | Actuator for close/open of valve |
| CN201475480U (en) * | 2009-07-20 | 2010-05-19 | 铜陵市江南阀门机械有限公司 | Drive device capable of precisely operating valve |
| US20110266478A1 (en) * | 2010-04-29 | 2011-11-03 | T-3 Property Holdings, Inc. | Adjustable choke for oil and gas industry |
| CN202327011U (en) * | 2011-12-09 | 2012-07-11 | 浙江康明斯机械有限公司 | Worm wheel speed reducer |
| CN104315238A (en) * | 2014-10-14 | 2015-01-28 | 侯成龙 | Plastic valve actuator |
Non-Patent Citations (1)
| Title |
|---|
| 张翠华等: "《机械设计》", 31 August 2015, 西北工业大学出版社 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |
|
| RJ01 | Rejection of invention patent application after publication |