CN202691101U - Radius varying type pneumatic wear-resisting rocking valve - Google Patents

Radius varying type pneumatic wear-resisting rocking valve Download PDF

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Publication number
CN202691101U
CN202691101U CN 201220229366 CN201220229366U CN202691101U CN 202691101 U CN202691101 U CN 202691101U CN 201220229366 CN201220229366 CN 201220229366 CN 201220229366 U CN201220229366 U CN 201220229366U CN 202691101 U CN202691101 U CN 202691101U
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CN
China
Prior art keywords
valve body
type pneumatic
rotatingshaft
upper valve
resistant
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Expired - Lifetime
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CN 201220229366
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Chinese (zh)
Inventor
胡珍贵
余洪彬
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CHUN'AN QIAODAO LAKE KELIDA WEAR-RESISTING VALVE Co Ltd
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CHUN'AN QIAODAO LAKE KELIDA WEAR-RESISTING VALVE Co Ltd
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Priority to CN 201220229366 priority Critical patent/CN202691101U/en
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Publication of CN202691101U publication Critical patent/CN202691101U/en
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Abstract

The utility model relates to the technical field of valves, in particular to a radius varying type pneumatic wear-resisting rocking valve. The radius varying type pneumatic wear-resisting rocking valve solves the problems that valves and valve cavities of transportation devices of various dust, particles and semi-fluid media are prone to blocking, rotation shafts are not wear-resisting and oscillating arms are not stable. The radius varying type pneumatic wear-resisting rocking body comprises an upper valve body, a lower valve body connected with the upper valve body through a flange and a cylinder fixed outside the upper valve body. The radius varying type pneumatic wear-resisting rocking body is characterized in that a piston rod of the cylinder is connected with a rotation shaft, the rotation shaft is provided with an oscillating arm after penetrating through the upper valve body, and then the rotation shaft protrudes into the lower valve body and is positioned. A spring adjusting device is arranged on the positioning place. A valve plate matched with a material feeding port is arranged at one end of the upper valve body. The radius varying type pneumatic wear-resisting rocking valve is compact in structure, good in sealing effect, long in service life, free of producing dust, little in starting load, free of blocking of the valves and the valve cavities, adjustable in the oscillating arm and stable in operation.

Description

Diameter reducing type Pneumatic wear-resistant oscillatory valve
Technical field
The utility model relates to valve technology field, particularly a kind of diameter reducing type Pneumatic wear-resistant oscillatory valve.
Background technique
Valve of a great variety, structure, scheme that different operating environment, different fed sheet of a media are taked respectively have characteristics, and its structural feature of the valve of similar effect is also had any different.In the thermal power plant, metallurgical, medicine, in the industries such as chemical industry, all kinds of dust, the oscillatory valve that uses when particle and semifluid medium transport, be a kind of Pneumatic wear-resistant discharging rocking valve of CN201787106U such as patent publication No., comprise the pneumatic actuator assembly, upper valve body, lower valve body, be provided with the valve circle between upper valve body and the lower valve body, be provided with swing arm in the valve circle, one end of swing arm connects an end of running shaft, the other end of swing arm is provided with flap, flap is parallel to be provided with two, two flaps respectively with upper valve body, lower valve body cooperates, and the other end of running shaft is connected with the pneumatic actuator assembly.And for example patent announcement number is a kind of Pneumatic wear-resistant swing valve for feeding of CN201787108U, and structure is close with the former.Running shaft one end in these two kinds of valve bodies is equipped with and soars aloft after the swing arm, and during use, the surface of contact of flap and material feeding mouth only depends on the spring locking in the flap, like this, will produce the phenomenons such as jam, leakage when long-time use or pressure are larger.
Summary of the invention
The purpose of this utility model is in order to solve not wear-resisting, the unsettled problem of swing arm of the easy jam of valve valve pocket, rotatingshaft in all kinds of dust, particle and the semifluid medium conveying apparatus, a kind of reasonable in design, highly sensitive is provided, has strong wear resistance, can regulate at any time the valve plate degree of tightness, the diameter reducing type Pneumatic wear-resistant oscillatory valve that overall structure is strong.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of diameter reducing type Pneumatic wear-resistant oscillatory valve, the lower valve body that comprises upper valve body, is connected by flange with upper valve body, be fixed on the cylinder in the upper valve body outside, the piston rod connection of rotating axle that it is characterized in that described cylinder, rotatingshaft is equipped with swing arm after passing upper valve body, rotatingshaft puts in location in the lower valve body then, this place, location is provided with spring regulating device, and an end of swing arm is provided with the valve plate that cooperates with the upper valve body material feeding mouth.Upper valve body and lower valve body form a containing space, swing arm and valve plate are positioned at this space, swing arm rotates under the effect of cylinder power, thereby the material feeding mouth of opening and closing upper valve body, the rotatingshaft two ends of assembling swing arm are positioned at respectively in upper valve body and the lower valve body, guaranteed the stationarity of rotatingshaft motion, the design of spring regulating device has increased again rotatingshaft when long-term the use, because the gap adjustment capability that mechanical wear produces, greatly improve the working life of whole device, and prevented the generation of the defectives such as leakage.
As preferably, described lower valve body is provided with two forward flanges that are parallel to each other and rear flange, and forward flange is heart-shaped and is connected with upper valve body, and rear flange is circular flange.The center line of forward flange and rear flange is designed to not overlap, to increase the rigidity of valve body.
As preferably, the aperture of the discharge port of described lower valve body is greater than the material feeding mouth aperture of upper valve body.The lower valve body of this device is owing to adopt and irregular shape and structure, and bulk strength is high, and discharge port has been avoided the putty phenomenon fully greater than feed gap dimension.
As preferably, be provided with a hole with rotatingshaft one end cooperation place in the described lower valve body, seat is provided with copper sheathing in the hole, and the outer end of copper sheathing is provided with the first axle combined seal ring, and the internal diameter of copper sheathing cooperates with rotatingshaft, and the end of rotatingshaft vertically center is provided with blind hole.Copper sheathing is the lining of protection rotatingshaft end, and the first axle comprises that with combined seal ring sealing snare, many axles are with seal ring, O RunddichtringO etc.; Blind hole is spring seat.
As preferably, described spring regulating device comprises the spring that is placed in the blind hole of rotatingshaft end, one end of spring is provided with the top, one end of top contacts with jacking block, jacking block offsets with the adjusting screw of passing lower valve body housing, housing is provided with the screw that cooperates with adjusting screw, adjusting screw and the coaxial setting of rotatingshaft.Spring adopts Compress Spring, and an end of top is inserted in the spring inside diameter, and the other end of top is designed to the semicircle bulb, and the diameter of semicircle bulb is greater than the external diameter of spring; For the thrusting action that increases adjusting screw arranges jacking block.Lower valve body housing is provided with screw.
As preferably, the central axis of described cylinder is vertical with rotatingshaft, and the piston rod end of cylinder is provided with rocking arm, and rocking arm is sleeved on an end of rotatingshaft.Piston rod can be connected with rotatingshaft in several ways, as the V shape connecting body is set, and rocking arm is provided with the flat gesture body that cooperates with the jag of connecting body.
As preferably, described rotatingshaft passes the upper valve body place and is provided with bearing guard, and the outside of bearing guard is provided with stifle, and an end of rotatingshaft passes connecting rocker arm behind the stifle.Be the rotation process during rotatingshaft work, owing to there is end thrust, the bearing at bearing guard position need be provided with radially, the axial bearing that certain bearing capacity is arranged.Stifle not only plays the dust of protection bearing guard and invades outward, and as the axial top laminate of bearing.
As preferably, described valve plate is provided with wearing layer towards upper valve body feed inlet end face, and upper valve body and valve plate surface of contact are provided with seal ring.Valve plate can be used as an easily damaged parts design, and wearing layer, seal ring adopt the materials such as alloy or pottery to make.
As preferably, described valve plate center is provided with counterbore, this counterbore cooperates with swing arm one splaying, swing arm is provided with the shoulder hole coaxial with described counterbore, the aperture of shoulder hole is screw, and half round top rod that offsets with valve plate counterbore bottom surface is housed in the shoulder hole, and cover has stage clip on half round top rod, stage clip is equipped with briquetting towards the end in the counterbore, and briquetting touches mutually with the screw that passes the shoulder hole screw.Valve plate is by swing arm control, and swing arm must produce an axial pressure to valve plate when pushing down valve plate, to guarantee in the course of the work the sealing of valve plate and material feeding mouth.The screw that passes shoulder hole can be adjusted the degree of being adjacent to of valve plate and material feeding mouth.
As preferably, described cylinder is middle single pin axle type cylinder, and the cylinder body of cylinder is provided with the single pin that is connected with upper valve body, and this list is sold and is provided with thrust ball bearing.The relative upper valve body of cylinder block is actionless, and single pin end and upper valve body are fixed.
The beneficial effects of the utility model are: simplified processing process, reduce difficulty of processing and reject rate, and compact structure, good airproof performance, long service life can not produce dust stratification, and it is little to start load, and the valve valve pocket can jam, swing arm can be regulated and stable.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the local structure for amplifying schematic representation in the M place of the utility model Fig. 1.
Fig. 3 is a kind of arm shaft connection part partial structurtes schematic representation of the present utility model.
Fig. 4 is a kind of lower valve body structure schematic representation of the present utility model.
Fig. 5 is the right TV structure schematic representation of Fig. 4 of the present utility model.
Among the figure: 1. upper valve body, 2. descend valve body, 201. forward flanges, 202. rear flange, 203. holes, 3. seal rings, 4. swing arm, 5. arm shaft, 6. stifle, 7. thrust ball bearing, 8. cylinder, 9. valve plate, 10. stage clip, 11. half round top rods, 12. briquettings, 13. silently, 14. second axle combined seal rings, 15. catch, 16. tapered roller bearing, 17. deep groove ball bearings, 18. rocking arms, 19. the first axle combined seal ring, 20. copper sheathing, 21. springs, 22. tops, 23. jacking block, 24. spacers.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Referring to Fig. 1, a kind of diameter reducing type Pneumatic wear-resistant of present embodiment oscillatory valve, upper valve body 1 and lower valve body 2 by heart-shaped flange connection, a single bearing pin cylinder 8 in centre is fixed in the upper valve body outside, the cylinder body of cylinder 8 is provided with the single pin that is connected with upper valve body 1, single pin is provided with thrust ball bearing 7, and fixes with axle sleeve, round nut.
Piston rod one end of cylinder 8 is by connecting body that is provided with prong of hexagon thin nut assembling, this connecting body is by bearing pin, cotter pin connecting rocker arm 18; rocking arm 18 is sleeved on an end of rotatingshaft 5; referring to Fig. 3; the other end of rotatingshaft 5 passes and swing arm 4 is housed behind the upper valve body 1 and then puts in lower valve body 2 interior location, and this place, location is provided with spring regulating device.Rotatingshaft 5 passes upper valve body 1 place and is provided with bearing guard, bearing guard is provided with deep groove ball bearing 17, spacer 24 from outside to inside, refill tapered roller bearing 16 and catch 15, reducing place at upper valve body bearing guard position is provided with the second axle with combined seal ring 14, and the reducing outer end is provided with silently 13.Be provided with stifle 6 between the outside of bearing guard and the rocking arm 18.
Continuation is with reference to figure 3 and Fig. 4, Fig. 5, be provided with a seat hole 203 with rotatingshaft 5 one end cooperation places in the matrix of lower valve body 2, the first axle combined seal ring 19 is housed in the seat hole 203 from outside to inside, the end in seat hole 203 is provided with penetrating screw, the first axle is provided with copper sheathing 20 with combined seal ring 19 inboards, jacking block 23 is equipped with in the inboard of copper sheathing 20, and the internal diameter of copper sheathing 20 cooperates with rotatingshaft 5; The end of rotatingshaft 5 vertically center is provided with blind hole, this blind hole cooperates with spring regulating device medi-spring 21, one end of spring 21 fills a top 22, one end diameter of this top is greater than the external diameter of spring 21, the other end of top is inserted in spring 21 endoporus, come directly towards 23 contacts of 22 jacking blocks, jacking block 23 offsets adjusting screw and rotatingshaft 5 coaxial settings with the adjusting screw of passing lower valve body 2 penetrating screws.The lower valve body 2 here is provided with two forward flanges that are parallel to each other 201 and rear flange 202, and rear flange 202 is circular flange, and the aperture of the discharge port of lower valve body 2 is the twice in the material feeding mouth aperture of upper valve body 1.
As shown in Figure 2, one end of swing arm 4 is provided with the valve plate 9 that cooperates with upper valve body 1 material feeding mouth, this valve plate 9 has ceramic wearing coat towards upper valve body 1 material feeding mouth end face direct casting, upper valve body 1 is provided with seal ring 3 with valve plate 9 surface of contact, can produce voluntarily grinding, polishing effect when working between valve plate 9 and the upper valve body 1.The central position of valve plate 9 is provided with counterbore, the axial direction part Spielpassung of this counterbore and swing arm 4 one ends, be provided with the shoulder hole coaxial with counterbore in swing arm 4 axial direction parts, the aperture of shoulder hole is screw, half round top rod 11 that offsets with valve plate 9 counterbore bottom surfaces is housed in the shoulder hole, stage clip 10 of cover on half round top rod 11, briquetting 12 is equipped with in the large aperture of shoulder hole jointing place, stage clip 10 offsets towards an end and the briquetting 12 in the counterbore, the another side of briquetting 12 offsets with the screw that passes the shoulder hole screw, and locking nut is equipped with in the outside of screw.
During operation, driven the rotation of rocking arm 18 control rotatingshafts 5 by cylinder 8, thereby drive the swing of swing arm 4, Kai Heguan by swing arm 4 interlock valve plates 9 control upper valve bodies 1 material feeding mouth, because the two ends of rotatingshaft 5 are positioned at respectively in upper valve body 1 and the lower valve body 2, and can adjust the elasticity of swing arm 4 and valve plate 9, so stability is high when moving, also avoid leakage problem.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any structure after the simple transformation of the present utility model is all belonged to protection domain of the present utility model.

Claims (10)

1. diameter reducing type Pneumatic wear-resistant oscillatory valve, the lower valve body (2) that comprises upper valve body (1), is connected by flange with upper valve body, be fixed on the cylinder (8) in the upper valve body outside, the piston rod connection of rotating axle (5) that it is characterized in that described cylinder (8), rotatingshaft (5) is equipped with swing arm (4) after passing upper valve body (1), rotatingshaft (5) puts in location in the lower valve body (2) then, this place, location is provided with spring regulating device, and an end of swing arm (4) is provided with the valve plate (9) that cooperates with upper valve body (1) material feeding mouth.
2. diameter reducing type Pneumatic wear-resistant oscillatory valve according to claim 1, it is characterized in that described lower valve body (2) is provided with two forward flanges that are parallel to each other (201) and rear flange (202), forward flange (201) is heart-shaped and is connected with upper valve body (1), and rear flange (202) is circular flange.
3. diameter reducing type Pneumatic wear-resistant oscillatory valve according to claim 1 and 2 is characterized in that the aperture of discharge port of described lower valve body (2) is greater than the material feeding mouth aperture of upper valve body (1).
4. diameter reducing type Pneumatic wear-resistant oscillatory valve according to claim 1 and 2, it is characterized in that being provided with a hole (203) with rotatingshaft (5) one end cooperation places in the described lower valve body (2), be provided with copper sheathing (20) in the seat hole (203), the end of copper sheathing (20) is provided with the first axle combined seal ring (19), the internal diameter of copper sheathing (20) cooperates with rotatingshaft (5), and the end of rotatingshaft (5) is provided with blind hole in the center vertically.
5. diameter reducing type Pneumatic wear-resistant oscillatory valve according to claim 4, it is characterized in that described spring regulating device comprises the spring (21) that is placed in the blind hole of rotatingshaft (5) end, one end of spring (21) is provided with top (22), one end of top (22) contacts with jacking block (23), jacking block (23) offsets with the adjusting screw of passing lower valve body (2) housing, housing is provided with the screw that cooperates with adjusting screw, adjusting screw and the coaxial setting of rotatingshaft (5).
6. diameter reducing type Pneumatic wear-resistant oscillatory valve according to claim 1 and 2, the central axis that it is characterized in that described cylinder (8) is vertical with rotatingshaft (5), the piston rod end of cylinder (8) is provided with rocking arm (18), and rocking arm (18) is sleeved on an end of rotatingshaft (5).
7. diameter reducing type Pneumatic wear-resistant oscillatory valve according to claim 6, it is characterized in that described rotatingshaft (5) passes upper valve body (1) and locates to be provided with bearing guard, the outside of bearing guard is provided with stifle (6), and an end of rotatingshaft (5) passes the rear connecting rocker arm (18) of stifle (6).
8. diameter reducing type Pneumatic wear-resistant oscillatory valve according to claim 1 is characterized in that described valve plate (9) is provided with wearing layer towards upper valve body (1) material feeding mouth end face, and upper valve body (1) is provided with seal ring (3) with valve plate (9) surface of contact.
9. according to claim 1 or 8 described diameter reducing type Pneumatic wear-resistant oscillatory valves, it is characterized in that described valve plate (9) center is provided with counterbore, this counterbore cooperates with swing arm (4) one splayings, swing arm (4) is provided with the shoulder hole coaxial with described counterbore, the aperture of shoulder hole is screw, half round top rod (11) that offsets with valve plate (9) counterbore bottom surface is housed in the shoulder hole, the upper cover of half round top rod (11) has stage clip (10), stage clip (10) is equipped with briquetting (12) towards the end in the counterbore, and briquetting (12) touches mutually with the screw that passes the shoulder hole screw.
10. according to claim 1 and 2 or 8 described diameter reducing type Pneumatic wear-resistant oscillatory valves, it is characterized in that described cylinder (8) is middle single pin axle type cylinder, the cylinder body of cylinder (8) is provided with the single pin that is connected with upper valve body (1), and this list pin is provided with thrust ball bearing (7).
CN 201220229366 2012-05-22 2012-05-22 Radius varying type pneumatic wear-resisting rocking valve Expired - Lifetime CN202691101U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220229366 CN202691101U (en) 2012-05-22 2012-05-22 Radius varying type pneumatic wear-resisting rocking valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220229366 CN202691101U (en) 2012-05-22 2012-05-22 Radius varying type pneumatic wear-resisting rocking valve

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CN202691101U true CN202691101U (en) 2013-01-23

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103291946A (en) * 2013-06-07 2013-09-11 无锡新宏泰电器科技股份有限公司 Adjustable panel valve
CN103438226A (en) * 2013-09-05 2013-12-11 中国北方发动机研究所(天津) Variable-parameter eccentric butterfly valve structure
CN106224579A (en) * 2016-08-28 2016-12-14 淳安千岛湖科利达耐磨阀门有限公司 Oscillatory valve
CN107013697A (en) * 2017-05-17 2017-08-04 无锡爱信机械科技有限公司 A kind of precise metering valve

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103291946A (en) * 2013-06-07 2013-09-11 无锡新宏泰电器科技股份有限公司 Adjustable panel valve
CN103438226A (en) * 2013-09-05 2013-12-11 中国北方发动机研究所(天津) Variable-parameter eccentric butterfly valve structure
CN106224579A (en) * 2016-08-28 2016-12-14 淳安千岛湖科利达耐磨阀门有限公司 Oscillatory valve
CN107013697A (en) * 2017-05-17 2017-08-04 无锡爱信机械科技有限公司 A kind of precise metering valve
CN107013697B (en) * 2017-05-17 2022-12-09 无锡爱信机械科技有限公司 Precise metering valve

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