CN101865267B - Connecting rod type transmission mechanism - Google Patents
Connecting rod type transmission mechanism Download PDFInfo
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- CN101865267B CN101865267B CN201010206125A CN201010206125A CN101865267B CN 101865267 B CN101865267 B CN 101865267B CN 201010206125 A CN201010206125 A CN 201010206125A CN 201010206125 A CN201010206125 A CN 201010206125A CN 101865267 B CN101865267 B CN 101865267B
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- connecting rod
- transmission mechanism
- type transmission
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Abstract
The invention relates to a connecting rod type transmission mechanism, comprising a box body; the box body is internally provided with a crank arm which comprises a sleeve; the peripheral surface of the sleeve is provided with connecting blocks which are fixedly connected, and the end parts of the connecting blocks are provided with connecting columns; the box body is provided with mounting holes which are distributed symmetrically; the two ends of the sleeve are respectively embedded in the mounting holes of the box body and can rotate relatively to the box body; the connecting columns are provided with connecting rods; the two ends of the connecting rods are respectively provided with first connecting holes and second connecting holes; the connecting columns, corresponding to the other ends connected with the connecting blocks, are embedded in the first connecting holes and are fixed with the connecting rods; the connecting rods, corresponding to the end parts provided with the second connecting holes, are provided with connecting shafts; the end parts of the connecting shafts are embedded in the second connecting holes and fixed with the connecting rods; and the central areas of the connecting shafts are provided with pushing rods which are fastened and connected, and the pushing rods, corresponding to the other ends connected with the connecting shafts, penetrate out of the box body. The connecting rod type transmission mechanism has high transmission efficiency, low friction, safety and reliability and low maintenance cost.
Description
Technical field
The present invention relates to a kind of driving mechanism, especially a kind of connecting rod type transmission mechanism, the driving mechanism of the angle stroke final controlling element that specifically a kind of efficient is high, friction is low.
Background technique
Along with the develop rapidly of world's automatization level technology, China's automatization level is also improved fast, thus to the requirement of the reliability of modulating valve in the process control also in continuous raising, this just also has higher requirement to valve actuator.
The driving mechanism of existing angle stroke final controlling element adopts pinion and-rack and crank block fork type usually.The pinion and-rack drive mechanism adopts aluminum casting to process usually, and die cost is high, and difficulty of processing is big, and corresponding cost also improves.Crank block fork type driving mechanism stuck phenomenon often occurs because mechanism is complicated in running, reduce the final controlling element operational reliability greatly, increases maintenance cost.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the existing technology, a kind of connecting rod type transmission mechanism is provided, its transmission efficiency is high, and it is low to rub, and is safe and reliable and maintenance cost is low.
According to technological scheme provided by the invention, said connecting rod type transmission mechanism comprises casing, is provided with in the said casing and cranks arm, and said cranking arm comprises sleeve, and the outer circumferential face of said sleeve is provided with the contiguous block of fixed connection, and the end of said contiguous block is provided with attachment post; Said casing is provided with the mounting hole of symmetrical distribution; The two ends of said sleeve are embedded in respectively in the mounting hole of casing, and casing rotates relatively; Said attachment post is provided with connecting rod; The two ends of said connecting rod are respectively equipped with first attachment hole and second attachment hole; Said attachment post is embedded in first attachment hole corresponding to the other end that links to each other with contiguous block, and fixes with connecting rod; Connecting rod is provided with coupling shaft corresponding to the end that second attachment hole is set, and the end of said coupling shaft is embedded in second attachment hole, fixes with connecting rod; The centre area of said coupling shaft is provided with the push rod that is fastenedly connected, and said push rod passes casing corresponding to the other end that links to each other with coupling shaft.
Said push rod and coupling shaft utilize lock bolt to be fastened and connected.Be provided with case lid in the mounting hole of an end on the said casing, an end of said case lid is set mounting hole, and is fixedly connected with casing; Said case lid is provided with oilless bearing corresponding to the inwall that is positioned at mounting hole, and the end of said sleeve utilizes oilless bearing to be installed in the mounting hole.Also be provided with guide ring on the said case lid, said guide ring is enclosed within on the sleeve.Said casing is corresponding to being provided with no oily lining and oilless bearing in another mounting hole that is provided with case lid; Said oilless bearing is nested in sleeve respectively corresponding to the end that is positioned at mounting hole with no oily lining.
One end of said casing is provided with pilot hole, and said push rod penetrates pilot hole corresponding to the other end that links to each other with coupling shaft, and stretches out outside the casing.Said casing is provided with the limiting stopper that is fastenedly connected corresponding to the other end that links to each other with push rod; The centre area of said limiting stopper is provided with caging bolt, and the end of said caging bolt is embedded in the casing, and is fastenedly connected with limiting stopper.One end of said limiting stopper is embedded in the casing; Limiting stopper is provided with seal ring corresponding to the end that is embedded in the casing.Said attachment post is provided with selflubricating and does not have oily lining corresponding to being embedded in end in first attachment hole.Said coupling shaft is provided with selflubricating and does not have oily lining corresponding to being embedded in end in second attachment hole.
Advantage of the present invention: said sleeve utilizes oilless bearing, guide ring to be installed in casing corresponding to the end that is positioned at mounting hole; Can be to sleeve there being accurate leading role, guaranteed sleeve in whole rotary course steadily, reliable operation; Degree of regulation is high, and it is low to rub.Said attachment post, coupling shaft is equipped with selflubricating corresponding to the end that links to each other with connecting rod does not have oily lining, energy-conserving and environment-protective; Maintenance cost is low.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is that the A-A of Fig. 1 is to view.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the present invention is described further.
Like Fig. 1～shown in Figure 2: the present invention includes casing 1, case lid 2, oilless bearing 3, guide ring 4, attachment post 5, connecting rod 6, bolt 7, caging bolt 8, limiting stopper 9, coupling shaft 10, selflubricating does not have oily lining 11, mounting hole 12, no oily lining 13, push rod 14, pilot hole 15, sleeve 16, seal ring 17, contiguous block 18, first attachment hole 19 and second attachment hole 20.
As depicted in figs. 1 and 2: said casing 1 is provided with the mounting hole 12 of symmetrical distribution, is provided with case lid 2 in the mounting hole 12 of an end on the casing 1.The centre area of said case lid 2 convexes with the installing ring of vertical distribution, and said installing ring is embedded in the mounting hole 12, and case lid 2 contacts corresponding to the outer wall of the other end that installing ring is set with casing 1; Case lid 2 is fixedly connected with casing 1.The installing ring of said case lid 2 is provided with oilless bearing 3 and guide ring 4.On the casing 2 corresponding to being provided with oilless bearing 1 and no oily lining 13 in another mounting hole 12 that case lid 2 is set.Be provided with sleeve 16 in the casing 1, the two ends of said sleeve 16 are embedded in respectively in the mounting hole 12, the two ends of sleeve 16 utilize oilless bearing 1, guide ring 3 respectively and do not have oily lining 13 and make accurately guiding, guaranteed sleeve 16 in rotary course steadily.
The outer wall of said sleeve 16 1 sides is provided with two contiguous blocks 18, and said contiguous block 18 is fixedly connected with sleeve 16.Said contiguous block 18 all convexes with attachment post 5 corresponding to the other end that links to each other with sleeve 16.The structure of said attachment post 5, contiguous block 18 and sleeve 16 forms cranks arm.Said attachment post 5 is provided with connecting rod 6, and the two ends of said connecting rod 6 are respectively equipped with first attachment hole 19 and second attachment hole 20.Said attachment post 5 is embedded in first attachment hole 19 corresponding to the end that links to each other with connecting rod 6, and is fixedly connected with connecting rod 6.Attachment post 5 is with selflubricating corresponding to the end that is positioned at first attachment hole 19 does not have oily lining 11, and attachment post 5 utilizes selflubricating not have oily lining 11 with connecting rod 6 and reduces friction.The other end of said connecting rod 6 is provided with coupling shaft 10, and the end of said coupling shaft 10 is embedded in second attachment hole 20, and fixes with connecting rod 6.Coupling shaft 10 is with selflubricating corresponding to the end that is positioned at second attachment hole 20 does not have oily lining 11.The position of the attachment post 5 on said two contiguous blocks 18 is different, and one of them attachment post 5 is positioned at the end of contiguous block 18 and upwards distributes, and another attachment post 5 is positioned at the end of corresponding contiguous block 18, and distributes downwards.Said two attachment posts 5 all link to each other with corresponding connecting rod 6.Said coupling shaft 10 is positioned at 5 of two attachment posts, and the two ends of coupling shaft 10 all are fixedly connected with connecting rod 6.
The centre area of coupling shaft 10 is provided with push rod 14, and said push rod 14 distributes along the axis of pitch of casing 1, and push rod 14 is perpendicular with the axis of coupling shaft 10.Coupling shaft 10 utilizes bolt 7 to be fastened with push rod 10.One end of casing 1 is provided with pilot hole 15, and push rod 14 penetrates pilot hole 15 corresponding to the other end that links to each other with coupling shaft 10, and stretches out outside the casing 1.Casing 1 is provided with limiting stopper 9 corresponding to the other end that pilot hole 15 is set, and an end of said limiting stopper 9 is embedded in the casing 1; And limiting stopper 9 is provided with seal ring 17 corresponding to the end that is embedded in the casing 1.Limiting stopper 9 is provided with caging bolt 8, after limiting stopper 9 is passed in the end of said caging bolt 8, stretches in the casing 1, and contiguous coupling shaft 10.When push rod 14 moved under cylinder action, caging bolt 8 can prop up coupling shaft 10, thereby limited the motion of push rod 14.1 of limiting stopper 9 and casing utilize screw to be fastened and connected.
Said selflubricating does not have oily lining 11 and is made up of composite material, is matrix with the cemented carbide thin plate, and the outside adheres to one deck tin bronze; Rolling one deck organic substance of its internal surface and lead mixture, having substituted is main traditional guide elements with the copper material, it is little that this sliding bearing has a friction factor; Wear-resisting corrosion resistance is superior, and advantages such as oil-free lubrication play accurate leading role; Can effectively improve push rod working life, reduce maintenance cost.
When needs are changed component, need not other component of dismounting final controlling element, directly unclamp lock bolt 7; Directly attachment post 5, connecting rod 6, coupling shaft 10 are split out with the mode of integral body; Pack in the casing 1 with the mode of integral body again after changing, save time, reduce cost.
As depicted in figs. 1 and 2: during use, sleeve 16 links to each other with valve rod; Said valve rod is embedded in the sleeve 16 corresponding to another point that links to each other with spool, and is fixedly connected with sleeve 16.Push rod 14 links to each other with the piston rod of cylinder corresponding to the other end that links to each other with coupling shaft 10, and the piston rod through cylinder promotes push rod 14 and in casing 1, moves.During work, when cylinder promotes push rod 14 motions, with the coupling shaft 10 that push rod 14 is fastened and connected also can movement therewith.The motion of coupling shaft 10 can drivening rod 6 and attachment post 5 motions.When attachment post 5 moves under the effect of connecting rod 6; Because the effect of attachment post 5 and contiguous block 18; Attachment post 5 can drive sleeve 16 and do 90 ° rotatablely moving, thereby can drive sleeve 16 rotations with the straight line motion of push rod 14; Realize driving valve motion the effect of in reaching the switch of valve being regulated.When push rod 14 under cylinder action, when move distance was excessive, the coupling shaft that links to each other with push rod 14 10 can contact with caging bolt 8, can stop further motion casing 1 in of push rod 14, had reached the purpose that spacing push rod 14 moves.
Through with connecting rod 6 contacted ends selflubricating oilless bearing 11 being set, can reduce the frictional force that attachment post 5, coupling shaft 10 and connecting rod 6 effects are at attachment post 5, coupling shaft 10.The two ends of said sleeve 16 are respectively equipped with oilless bearing 3, guide ring 4 and no oily lining 13, can accurately lead to sleeve 16, have guaranteed that the rotation of sleeve 16 is steadily reliable.
Sleeve 16 according to the invention utilizes oilless bearing 3, guide ring 4 to be installed in casing 1 corresponding to the end that is positioned at mounting hole 12; Can be to sleeve 16 be had accurate leading role, guaranteed sleeve 16 in whole rotary course steadily, reliable operation; Degree of regulation is high, and it is low to rub.Said attachment post 5, coupling shaft 10 is equipped with selflubricating corresponding to the end that links to each other with connecting rod 6 does not have oily lining 11, energy-conserving and environment-protective; Maintenance cost is low.
Claims (10)
1. a connecting rod type transmission mechanism comprises casing (1), is provided with in the said casing (1) and cranks arm, and said cranking arm comprises that sleeve (16), the outer circumferential face of said sleeve (16) are provided with the contiguous block (18) of fixed connection, and the end of said contiguous block (18) is provided with attachment post (5); Said casing (1) is provided with the mounting hole (12) of symmetrical distribution; It is characterized in that: the two ends of said sleeve (16) are embedded in respectively in the mounting hole (12) of casing (1), and casing (1) rotates relatively; Said attachment post (5) is provided with connecting rod (6); The two ends of said connecting rod (6) are respectively equipped with first attachment hole (19) and second attachment hole (20); Said attachment post (5) is embedded in first attachment hole (19) corresponding to the other end that links to each other with contiguous block (18), and fixes with connecting rod (6); Connecting rod (6) is provided with coupling shaft (10) corresponding to the end that second attachment hole (20) is set, and the end of said coupling shaft (10) is embedded in second attachment hole (20), fixes with connecting rod (6); The centre area of said coupling shaft (10) is provided with the push rod (14) that is fastenedly connected, and said push rod (14) passes casing (1) corresponding to the other end that links to each other with coupling shaft (10).
2. connecting rod type transmission mechanism according to claim 1 is characterized in that: said push rod (14) utilizes lock bolt (7) to be fastened and connected with coupling shaft (10).
3. connecting rod type transmission mechanism according to claim 1 is characterized in that: be provided with case lid (2) in the mounting hole (12) of the last end of said casing (1), and be fixedly connected with casing (1); Said case lid (2) is provided with first oilless bearing corresponding to the inwall that is positioned at mounting hole (12), and the end of said sleeve (16) utilizes first oilless bearing to be installed in the mounting hole (12).
4. connecting rod type transmission mechanism according to claim 3 is characterized in that: also be provided with guide ring (4) on the said case lid (2), said guide ring (4) is enclosed within on the sleeve (16).
5. connecting rod type transmission mechanism according to claim 3 is characterized in that: said casing (1) is corresponding to being provided with the no oily lining (13) and second oilless bearing in another mounting hole (12) that is provided with case lid (2); Said second oilless bearing is nested in sleeve (16) respectively corresponding to the end that is positioned at mounting hole (12) with no oily lining (13).
6. connecting rod type transmission mechanism according to claim 1 is characterized in that: an end of said casing (1) is provided with pilot hole (15), and said push rod (14) penetrates pilot hole (15) corresponding to the other end that links to each other with coupling shaft (10), and stretches out outside the casing (1).
7. connecting rod type transmission mechanism according to claim 1 is characterized in that: said casing (1) is provided with the limiting stopper (9) that is fastenedly connected corresponding to the other end that links to each other with push rod (14); The centre area of said limiting stopper (9) is provided with caging bolt (8), and the end of said caging bolt (8) is embedded in the casing (1), and is fastenedly connected with limiting stopper (9).
8. connecting rod type transmission mechanism according to claim 7 is characterized in that: an end of said limiting stopper (9) is embedded in the casing (1); Limiting stopper (9) is provided with seal ring (17) corresponding to the end that is embedded in the casing (1).
9. connecting rod type transmission mechanism according to claim 1 is characterized in that: said attachment post (5) is provided with first selflubricating and does not have oily lining corresponding to being embedded in end in first attachment hole (19).
10. connecting rod type transmission mechanism according to claim 1 is characterized in that: said coupling shaft (10) is provided with second selflubricating and does not have oily lining corresponding to being embedded in end in second attachment hole (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010206125A CN101865267B (en) | 2010-06-13 | 2010-06-13 | Connecting rod type transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010206125A CN101865267B (en) | 2010-06-13 | 2010-06-13 | Connecting rod type transmission mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101865267A CN101865267A (en) | 2010-10-20 |
| CN101865267B true CN101865267B (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010206125A Active CN101865267B (en) | 2010-06-13 | 2010-06-13 | Connecting rod type transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101865267B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620041A (en) * | 2012-04-23 | 2012-08-01 | 沈阳东北电力调节技术有限公司 | Electrohydraulic system for driving large-size valve by using solar low-power power supply |
| CN102840375B (en) * | 2012-09-17 | 2013-12-11 | 成都迈可森流体控制设备有限公司 | Double orientation shifting fork transmission case |
| CN103984386B (en) * | 2014-04-18 | 2015-12-30 | 浙江三方控制阀股份有限公司 | Bent axle slide block type hand wheel mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201314364Y (en) * | 2008-12-23 | 2009-09-23 | 上海洲泰轻工机械制造有限公司 | Servo main transmission mechanism of composite membrane bag making machine |
| CN201439843U (en) * | 2009-06-19 | 2010-04-21 | 湖北洪城通用机械股份有限公司 | Chute type lead screw transmission device |
| CN201843959U (en) * | 2010-06-13 | 2011-05-25 | 无锡智能自控工程有限公司 | Connecting rod type drive mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004245257A (en) * | 2003-02-12 | 2004-09-02 | Nsk Ltd | Linear actuator |
| JP2005223983A (en) * | 2004-02-04 | 2005-08-18 | Nsk Ltd | Linear actuator |
-
2010
- 2010-06-13 CN CN201010206125A patent/CN101865267B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201314364Y (en) * | 2008-12-23 | 2009-09-23 | 上海洲泰轻工机械制造有限公司 | Servo main transmission mechanism of composite membrane bag making machine |
| CN201439843U (en) * | 2009-06-19 | 2010-04-21 | 湖北洪城通用机械股份有限公司 | Chute type lead screw transmission device |
| CN201843959U (en) * | 2010-06-13 | 2011-05-25 | 无锡智能自控工程有限公司 | Connecting rod type drive mechanism |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2004-245257A 2004.09.02 |
| JP特开2005-223983A 2005.08.18 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101865267A (en) | 2010-10-20 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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Owner name: WUXI SMART AUTO-CONTROL ENGINEERING CO., LTD. Free format text: FORMER NAME: WUXIN INTELLIGENT AUTOMATIC CONTROL ENGINEERING CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 214026 Jiangsu Province, Wuxi City Station District National hi tech Development Zone Economic Development Park A District No. 18 Patentee after: Wuxi Smart Auto-Control Engineering Co., Ltd. Address before: 214026, No. 18, A zone, South Station Economic Development Park, Jiang Xi Street, Wuxi, Jiangsu Patentee before: Wuxin Intelligent Automatic Control Engineering Co., Ltd. |