CN109081080B - Use method of double-layer combined flap valve - Google Patents
Use method of double-layer combined flap valve Download PDFInfo
- Publication number
- CN109081080B CN109081080B CN201810915219.2A CN201810915219A CN109081080B CN 109081080 B CN109081080 B CN 109081080B CN 201810915219 A CN201810915219 A CN 201810915219A CN 109081080 B CN109081080 B CN 109081080B
- Authority
- CN
- China
- Prior art keywords
- cylinder
- rotate
- layer
- conical disc
- blanking
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
- B65G47/248—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning over or inverting them
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
- Lift Valve (AREA)
Abstract
A use method of a double-layer combined flap valve comprises the following working methods: step one, when the left and right turning plates, the conical disc and the partition plate are in a closed state in an initial state, and when materials fall through a funnel, a turning angle is rotated to open the left and right turning plates so that the materials pass through the first blanking valve; step two, closing the left valve plate and the right valve plate, enabling the servo motor to rotate, driving the wheel disc to rotate, enabling the small head of the wheel disc to be lifted up, driving the supporting rod to rotate, and enabling the conical disc to be opened; meanwhile, the conical disc pushes the two telescopic rods to rotate along the ring groove for storage; thirdly, after a certain amount of blanking, the servo motor is rotated reversely, the conical disc is closed, meanwhile, the conical disc pulls the two telescopic rods to rotate along the annular grooves, comb teeth on the conical disc comb the materials, and after the conical disc is closed, the telescopic rods continue to rotate for a certain distance under the action of inertia; fourthly, enabling the air cylinder to move, driving the piston rod to move, driving each blade to be opened through a short connecting rod, and controlling blanking according to the opening degree and the opening time of each blade; and step five, enabling the air cylinder to move reversely to close the blade.
Description
Technical Field
The invention relates to the field related to medium conveying control, in particular to a use method of a double-layer combined flap valve.
Background
In the conveying process of various materials, a flap valve, a discharge valve and a blanking valve are common terminal links; related materials are different, and the related materials probably comprise minerals, sand and soil, grains and the like, and the blanking requirements of various materials are different.
In the in-service use, there are following problems in current flap valve, blanking valve, discharge valve:
1. the flap valve in the prior art has single function or independent functions, usually occupies larger space, and improves the production and installation cost.
2. The flap valve in the prior art is limited by installation space, and is difficult to realize functions of uniform mixing and stirring, so that the mixing degree of each sample material formed finally is different.
3. The flap valve of prior art, at the in-process of unloading, is difficult to realize the function of accurate control blanking volume, can't satisfy the modernized blanking demand.
4. The flap valve of prior art, after the installation was accomplished, the structure was fixed, was difficult to realize non-dismantlement formula adjustment, caused the blanking inhomogeneous, was difficult to adapt to different operating modes.
5. In the flap valve in the prior art, an external driving device is used as an auxiliary component, and the flap valve is high in fixation cost or poor in stability.
6. The flap valve of prior art easily piles up the material on the valve plate, and sealing performance is not enough, has improved sealing performance behind parts such as adoption sealing washer, but has further aggravated the material and has piled up.
7. The flap valve in the prior art has single function and is difficult to realize combined functions.
Disclosure of Invention
In order to overcome the above problems, the present invention proposes a solution to solve the above problems simultaneously.
The technical scheme adopted by the invention for solving the technical problems is as follows: a use method of a double-layer combined flap valve comprises a first blanking valve and a second blanking valve, wherein the first blanking valve is positioned at an upper layer, and the second blanking valve is positioned at a lower layer; the first blanking valve comprises an upper-layer cylinder, a funnel, a bend angle, a lever, a left turning plate and a right turning plate; the lever can be controlled to rotate through the bend angle, so that the left turning plate and the right turning plate are driven to rotate, the first blanking valve is opened or closed, and a funnel is arranged above the upper-layer cylinder body and is convenient to receive materials; the second blanking valve comprises a lower-layer cylinder body, a partition plate, a spring, a wheel disc, a support rod, a flange, a straight cylinder, a cylinder shoulder, an air cylinder, a discharge port, a blade plate, comb teeth, a telescopic rod, a fulcrum, a conical disc, a damping ring, a servo motor, a support, a hoop, a rotating ring and a bulge; the lower part of the upper layer cylinder body is contracted, and the port formed by contraction enables the first blanking valve and the second blanking valve to be connected with each other through a flange; the using method comprises a working method and an adjusting method.
A cylinder shoulder is arranged above the lower-layer cylinder body, the middle part of the cylinder shoulder extends upwards to form a straight cylinder, a flange is arranged above the straight cylinder, a part of the straight cylinder extends downwards from the horizontal line of the cylinder shoulder to form an inclined opening and closing opening, the conical disc closes or opens the opening and closing opening, a support rod is arranged above the left side of the conical disc, a fulcrum is arranged at the junction of the cylinder shoulder and the straight cylinder, and the support rod drives the conical disc to rotate through the fulcrum to open and close the opening and closing opening; the supporting rod is driven by the wheel disc, one end of the wheel disc is large and the other end of the wheel disc is small, the large end of the wheel disc is connected with a servo motor driving shaft, the small end of the wheel disc is connected with the supporting rod, the servo motor outputs power through the driving shaft, the driving shaft is arranged on the support, a groove is formed in the support, the driving shaft is placed on the groove, the driving shaft is fixed on the support through a hoop, and the hoop is fixed on the support through a; the spring is arranged between the small head of the wheel disc and the cylinder shoulder to reduce vibration in rotation, the damping ring is arranged on the edge of the conical disc, and the lower end of the section of the damping ring is thick and the upper end of the section of the damping ring is thin.
The telescopic rod is connected to the lower part of one end, far away from the supporting rod, of the conical disc and consists of at least two sections of branch rods, comb teeth are arranged below the telescopic rod, a ball head is arranged at the tail end below the telescopic rod, an annular groove is formed in the lower-layer barrel body, the ball head is clamped in the annular groove and can move along the annular groove, the number of the telescopic rods is two, and when the conical disc swings, the two telescopic rods are pulled or pushed to move along the annular groove, so that the comb teeth comb materials; the rotating ring is arranged on the lower-layer barrel below the ring groove, protrusions are arranged on the upper side and the lower side of the rotating ring, a groove is formed in the butt joint position of the lower-layer barrel, the protrusions are clamped in the groove, the rotating ring is rotated and can rotate relative to the lower-layer barrel, a partition plate is connected in the rotating ring, a plurality of blades are arranged on the partition plate, the blanking amount is controlled through the opening degree of the blades, short connecting rods are arranged on one sides of the blades and are connected with the same piston rod, and the piston rod is driven by the cylinder to reciprocate; the cylinder extends out of the lower-layer cylinder body, a handle sleeve is wrapped outside the cylinder and is convenient to hold by hands, and the cylinder is rotated by holding by hands so as to rotate the rotating ring; the interval between every two blades is different, and the areas of the blades are not uniform; a discharge hole is arranged below the clapboard.
The working method comprises the following steps:
step one, when the hopper falls down, rotating a bend angle to open the left turning plate and the right turning plate so that the material passes through the first blanking valve;
step two, closing the left turning plate and the right turning plate to enable the servo motor to rotate and drive the wheel disc to rotate, so that the small head of the wheel disc is lifted up to drive the supporting rod to rotate, and the conical disc is opened; meanwhile, the conical disc pushes the two telescopic rods to rotate along the ring groove for storage;
thirdly, after a certain amount of blanking, the servo motor is rotated reversely, the conical disc is closed, meanwhile, the conical disc pulls the two telescopic rods to rotate along the annular grooves, comb teeth on the conical disc comb the materials, and after the conical disc is closed, the telescopic rods continue to rotate for a certain distance under the action of inertia;
fourthly, enabling the air cylinder to move, driving the piston rod to move, driving each blade to be opened through a short connecting rod, and controlling blanking according to the opening degree and the opening time of each blade;
step five, enabling the cylinder to move reversely to close the blade plate;
the adjusting method comprises the following steps: under the working condition of shutdown, a handle sleeve on the air cylinder is held, the air cylinder is rotated to drive a rotating ring connected with the air cylinder to rotate, and then the partition plate and the blade plates on the partition plate are rotated; the blanking area is adjusted after the rotation because the areas of the blades are different.
Preferably, the two blades at two ends are spaced from the adjacent blade by a larger distance than the other adjacent blades.
Preferably, the area of the blades at the two ends is larger than that of the other blades.
Preferably, the telescopic rod comprises a three-segment rod.
Preferably, the rotation angle of the servo motor is plus or minus 30 degrees.
Preferably, the discharge port is provided with a filter screen.
Preferably, the cylinder is connected with a control device.
Preferably, the barrel is provided with an observation window.
Preferably, a speed reducer is further connected between the servo motor and the wheel disc.
Preferably, a pivoting structure is further connected between the support rod and the wheel disc.
The invention has the beneficial effects that:
1. aiming at the 1 st point of the background technology, a single driving source is used, the functions of opening and closing of the blanking valve and stirring and mixing are realized simultaneously, and the driving part, the stirring part, the control part and the cylinder are organically linked.
2. Aiming at the 2 nd point of the background technology, a surrounding type inertia stirring system is used to complete the stirring work.
3. Aiming at the 3 rd point proposed by the background technology, a series of fan plates with adjustable and controllable opening and variable lengths are used for accurately controlling the blanking amount.
4. To the 4 th point that the background art provided, through the design of rotatory ring for the blanking scope is controllable adjustable, is suitable for the demand of different operating modes.
5. Aiming at the 5 th point of the background technology, a stabilizing support and a rotating shaft stabilizing element are adopted for fixing, so that the cost is low, and the stability is strong.
6. To background art 6 th point, adopted the mode that the toper valve plate opened and close, avoided the material to pile up, and the conical disk edge is provided with the damping ring, and the cross-section lower extreme of damping ring is thick, the upper end is thin, has further avoided the material to pile up, has still played the effect of reinforcing sealing performance simultaneously.
7. Aiming at the 7 th point of the background technology, a double-layer valve result is adopted, namely, the double-layer valve result comprises a first blanking valve at the upper layer and a second blanking valve at the lower layer, so that the functions are combined, the control is more accurate, and the blanking is more uniform.
Note: the foregoing designs are not sequential, each of which provides a distinct and significant advance in the present invention over the prior art.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is an overall view of the double-layer combined flap valve of the invention.
Fig. 2 is a schematic view of the driving portion of the present invention.
FIG. 3 is a rotary ring structure of the present invention.
In the figures, the reference numerals are as follows:
1. lower floor barrel 2, baffle 3, spring 4, rim plate 5, branch 6, flange 7, straight section of thick bamboo 8, section of thick bamboo shoulder 9, cylinder 10, discharge gate 11, leaf 12, broach 13, telescopic link 14, fulcrum 15, conical disc 16, damping ring 17, servo motor 18, support 19, cuff 20, rotatory ring 21, arch 22, upper barrel 23, funnel 24, bent angle 25, lever 26, turn over the board and annotate: the turning plate is divided into a left turning plate and a right turning plate.
Detailed Description
As shown in the figure: a use method of a double-layer combined flap valve comprises a first blanking valve and a second blanking valve, wherein the first blanking valve is positioned at an upper layer, and the second blanking valve is positioned at a lower layer; the first blanking valve comprises an upper-layer cylinder, a funnel, a bend angle, a lever, a left turning plate and a right turning plate; the lever can be controlled to rotate through the bend angle, so that the left turning plate and the right turning plate are driven to rotate, the first blanking valve is opened or closed, and a funnel is arranged above the upper-layer cylinder body and is convenient to receive materials; the second blanking valve comprises a lower-layer cylinder body, a partition plate, a spring, a wheel disc, a support rod, a flange, a straight cylinder, a cylinder shoulder, an air cylinder, a discharge port, a blade plate, comb teeth, a telescopic rod, a fulcrum, a conical disc, a damping ring, a servo motor, a support, a hoop, a rotating ring and a bulge; the lower part of the upper layer cylinder body is contracted, and the port formed by contraction enables the first blanking valve and the second blanking valve to be connected with each other through a flange; the using method comprises a working method and an adjusting method.
As shown in the figure: a cylinder shoulder is arranged above the lower-layer cylinder body, the middle part of the cylinder shoulder extends upwards to form a straight cylinder, a flange is arranged above the straight cylinder, a part of the straight cylinder extends downwards from the horizontal line of the cylinder shoulder to form an inclined opening and closing opening, the conical disc closes or opens the opening and closing opening, a support rod is arranged above the left side of the conical disc, a fulcrum is arranged at the junction of the cylinder shoulder and the straight cylinder, and the support rod drives the conical disc to rotate through the fulcrum to open and close the opening and closing opening; the supporting rod is driven by the wheel disc, one end of the wheel disc is large and the other end of the wheel disc is small, the large end of the wheel disc is connected with a servo motor driving shaft, the small end of the wheel disc is connected with the supporting rod, the servo motor outputs power through the driving shaft, the driving shaft is arranged on the support, a groove is formed in the support, the driving shaft is placed on the groove, the driving shaft is fixed on the support through a hoop, and the hoop is fixed on the support through a; the spring is arranged between the small head of the wheel disc and the cylinder shoulder to reduce vibration in rotation, the damping ring is arranged on the edge of the conical disc, and the lower end of the section of the damping ring is thick and the upper end of the section of the damping ring is thin.
As shown in the figure: the telescopic rod is connected to the lower part of one end, far away from the supporting rod, of the conical disc and consists of at least two sections of branch rods, comb teeth are arranged below the telescopic rod, a ball head is arranged at the tail end below the telescopic rod, an annular groove is formed in the lower-layer barrel body, the ball head is clamped in the annular groove and can move along the annular groove, the number of the telescopic rods is two, and when the conical disc swings, the two telescopic rods are pulled or pushed to move along the annular groove, so that the comb teeth comb materials; the rotating ring is arranged on the lower-layer barrel below the ring groove, protrusions are arranged on the upper side and the lower side of the rotating ring, a groove is formed in the butt joint position of the lower-layer barrel, the protrusions are clamped in the groove, the rotating ring is rotated and can rotate relative to the lower-layer barrel, a partition plate is connected in the rotating ring, a plurality of blades are arranged on the partition plate, the blanking amount is controlled through the opening degree of the blades, short connecting rods are arranged on one sides of the blades and are connected with the same piston rod, and the piston rod is driven by the cylinder to reciprocate; the cylinder extends out of the lower-layer cylinder body, a handle sleeve is wrapped outside the cylinder and is convenient to hold by hands, and the cylinder is rotated by holding by hands so as to rotate the rotating ring; the interval between every two blades is different, and the areas of the blades are not uniform; a discharge hole is arranged below the clapboard.
As shown in the figure: the working method comprises the following steps:
step one, when the hopper falls down, rotating a bend angle to open the left turning plate and the right turning plate so that the material passes through the first blanking valve;
step two, closing the left turning plate and the right turning plate to enable the servo motor to rotate and drive the wheel disc to rotate, so that the small head of the wheel disc is lifted up to drive the supporting rod to rotate, and the conical disc is opened; meanwhile, the conical disc pushes the two telescopic rods to rotate along the ring groove for storage;
thirdly, after a certain amount of blanking, the servo motor is rotated reversely, the conical disc is closed, meanwhile, the conical disc pulls the two telescopic rods to rotate along the annular grooves, comb teeth on the conical disc comb the materials, and after the conical disc is closed, the telescopic rods continue to rotate for a certain distance under the action of inertia;
fourthly, enabling the air cylinder to move, driving the piston rod to move, driving each blade to be opened through a short connecting rod, and controlling blanking according to the opening degree and the opening time of each blade;
step five, enabling the cylinder to move reversely to close the blade plate;
the adjusting method comprises the following steps: under the working condition of shutdown, a handle sleeve on the air cylinder is held, the air cylinder is rotated to drive a rotating ring connected with the air cylinder to rotate, and then the partition plate and the blade plates on the partition plate are rotated; the blanking area is adjusted after the rotation because the areas of the blades are different.
As shown in the figure: and the two blades at two ends are spaced from the adjacent blades by a larger distance than the other adjacent blades. The area of the blade plates at the two ends is larger than that of the other blade plates. The telescopic rod comprises a three-section rod. The rotation angle of the servo motor is plus or minus 30 degrees. The discharge port is provided with a filter screen. The cylinder is connected with a control device. An observation window is arranged on the cylinder body. And a speed reducer is also connected between the servo motor and the wheel disc. And a pin joint structure is connected between the support rod and the wheel disc.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A use method of a double-layer combined flap valve comprises a first blanking valve and a second blanking valve, wherein the first blanking valve is positioned at an upper layer, and the second blanking valve is positioned at a lower layer; the first blanking valve comprises an upper-layer cylinder, a funnel, a bend angle, a lever, a left turning plate and a right turning plate; the lever can be controlled to rotate through the bend angle, so that the left turning plate and the right turning plate are driven to rotate, the first blanking valve is opened or closed, and a funnel is arranged above the upper-layer cylinder body and is convenient to receive materials; the second blanking valve comprises a lower-layer cylinder body, a partition plate, a spring, a wheel disc, a support rod, a flange, a straight cylinder, a cylinder shoulder, an air cylinder, a discharge port, a blade plate, comb teeth, a telescopic rod, a fulcrum, a conical disc, a damping ring, a servo motor, a support, a hoop, a rotating ring and a bulge; the lower part of the upper layer cylinder body is contracted, and the port formed by contraction enables the first blanking valve and the second blanking valve to be connected with each other through a flange; the method is characterized in that: the using method comprises a working method and an adjusting method;
a cylinder shoulder is arranged above the lower-layer cylinder body, the middle part of the cylinder shoulder extends upwards to form a straight cylinder, a flange is arranged above the straight cylinder, a part of the straight cylinder extends downwards from the horizontal line of the cylinder shoulder to form an inclined opening and closing opening, the conical disc closes or opens the opening and closing opening, a support rod is arranged above the left side of the conical disc, a fulcrum is arranged at the junction of the cylinder shoulder and the straight cylinder, and the support rod drives the conical disc to rotate through the fulcrum to open and close the opening and closing opening;
the supporting rod is driven by the wheel disc, one end of the wheel disc is large and the other end of the wheel disc is small, the large end of the wheel disc is connected with a servo motor driving shaft, the small end of the wheel disc is connected with the supporting rod, the servo motor outputs power through the driving shaft, the driving shaft is arranged on the support, a groove is formed in the support, the driving shaft is placed on the groove, the driving shaft is fixed on the support through a hoop, and the hoop is fixed on the support through a; the spring is arranged between the small head of the wheel disc and the cylinder shoulder to reduce vibration in rotation, the damping ring is arranged on the edge of the conical disc, and the lower end of the section of the damping ring is thick and the upper end of the section of the damping ring is thin;
the telescopic rod is connected to the lower part of one end, far away from the supporting rod, of the conical disc and consists of at least two sections of branch rods, comb teeth are arranged below the telescopic rod, a ball head is arranged at the tail end below the telescopic rod, an annular groove is formed in the lower-layer barrel body, the ball head is clamped in the annular groove and can move along the annular groove, the number of the telescopic rods is two, and when the conical disc swings, the two telescopic rods are pulled or pushed to move along the annular groove, so that the comb teeth comb materials;
the rotating ring is arranged on the lower-layer barrel below the annular groove, protrusions are arranged on the upper side and the lower side of the rotating ring, a groove is formed in the butt joint position of the lower-layer barrel, the protrusions are clamped in the groove, the rotating ring is rotated and can rotate relative to the lower-layer barrel, a partition plate is connected in the rotating ring, a plurality of blades are arranged on the partition plate, the blanking amount is controlled through the opening degree of the blades, short connecting rods are arranged on one sides of the blades and are connected with the same piston rod, and the piston rod is driven by the cylinder to reciprocate; the cylinder extends out of the lower-layer cylinder body, a handle sleeve is wrapped outside the cylinder and is convenient to hold by hands, and the cylinder is rotated by holding by hands so as to rotate the rotating ring; the interval between every two blades is different, and the areas of the blades are not uniform; a discharge hole is arranged below the partition plate;
the working method comprises the following steps:
step one, when the hopper falls down, rotating a bend angle to open the left turning plate and the right turning plate so that the material passes through the first blanking valve;
step two, closing the left turning plate and the right turning plate to enable the servo motor to rotate and drive the wheel disc to rotate, so that the small head of the wheel disc is lifted up to drive the supporting rod to rotate, and the conical disc is opened; meanwhile, the conical disc pushes the two telescopic rods to rotate along the ring groove for storage;
thirdly, after a certain amount of blanking, the servo motor is rotated reversely, the conical disc is closed, meanwhile, the conical disc pulls the two telescopic rods to rotate along the annular grooves, comb teeth on the conical disc comb the materials, and after the conical disc is closed, the telescopic rods continue to rotate for a certain distance under the action of inertia;
fourthly, enabling the air cylinder to move, driving the piston rod to move, driving each blade to be opened through a short connecting rod, and controlling blanking according to the opening degree and the opening time of each blade;
step five, enabling the cylinder to move reversely to close the blade plate;
the adjusting method comprises the following steps: under the working condition of shutdown, a handle sleeve on the air cylinder is held, the air cylinder is rotated to drive a rotating ring connected with the air cylinder to rotate, and then the partition plate and the blade plates on the partition plate are rotated; the blanking area is adjusted after the rotation because the areas of the blades are different.
2. The use method of the double-layer combined flap valve according to claim 1, characterized in that: and the two blades at two ends are spaced from the adjacent blades by a larger distance than the other adjacent blades.
3. The use method of the double-layer combined flap valve according to claim 1, characterized in that: the area of the blade plates at the two ends is larger than that of the other blade plates.
4. The use method of the double-layer combined flap valve according to claim 1, characterized in that: the telescopic rod comprises a three-section rod.
5. The use method of the double-layer combined flap valve according to claim 1, characterized in that: the rotation angle of the servo motor is plus or minus 30 degrees.
6. The use method of the double-layer combined flap valve according to claim 1, characterized in that: the discharge port is provided with a filter screen.
7. The use method of the double-layer combined flap valve according to claim 1, characterized in that: the cylinder is connected with a control device.
8. The use method of the double-layer combined flap valve according to claim 1, characterized in that: and an observation window is arranged on the lower-layer cylinder body.
9. The use method of the double-layer combined flap valve according to claim 1, characterized in that: and a speed reducer is also connected between the servo motor and the wheel disc.
10. The use method of the double-layer combined flap valve according to claim 1, characterized in that: and a pin joint structure is connected between the support rod and the wheel disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810915219.2A CN109081080B (en) | 2018-08-13 | 2018-08-13 | Use method of double-layer combined flap valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810915219.2A CN109081080B (en) | 2018-08-13 | 2018-08-13 | Use method of double-layer combined flap valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109081080A CN109081080A (en) | 2018-12-25 |
| CN109081080B true CN109081080B (en) | 2020-07-21 |
Family
ID=64834443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810915219.2A Active CN109081080B (en) | 2018-08-13 | 2018-08-13 | Use method of double-layer combined flap valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109081080B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201507677U (en) * | 2009-08-17 | 2010-06-16 | 江苏亿金环保设备工程有限公司 | Double-layer flap valve |
| CN202023932U (en) * | 2011-03-25 | 2011-11-02 | 中国联合水泥集团有限公司南阳分公司 | Valve for flowing material by means of self-weight impact energy of material |
| CN102678941A (en) * | 2012-05-07 | 2012-09-19 | 江苏泓明达机械有限公司 | Novel double-layer single-door electric lock air flap valve |
| CN202812231U (en) * | 2012-09-27 | 2013-03-20 | 扬州高标机械有限公司 | Electro-hydraulic push rod counter weight flap valve |
| CN204127355U (en) * | 2014-08-30 | 2015-01-28 | 冯淑华 | A kind of double-layer electric lock wind Flap valve |
| CN205442063U (en) * | 2016-03-11 | 2016-08-10 | 鄂尔多斯市双欣化学工业有限公司 | Lock wind formula weight flap valve |
| CN207142340U (en) * | 2017-07-21 | 2018-03-27 | 上海天顺环保设备有限公司 | Flap valve |
-
2018
- 2018-08-13 CN CN201810915219.2A patent/CN109081080B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109081080A (en) | 2018-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109081079B (en) | Double-layer combined flap valve | |
| CN202251105U (en) | Device for adjusting air quantity of air inlet of centrifugal blower | |
| CN103711977A (en) | Gas exhaust device for aerostat | |
| CN209597666U (en) | Rice grading selection screen | |
| CN109081080B (en) | Use method of double-layer combined flap valve | |
| CN106576938A (en) | Manpower-assisted handheld push-pull electromagnet variable-diameter branch-clamping orange ring peeling device | |
| CN106416559A (en) | Movable automatic local fertilizer drill | |
| CN109230625B (en) | Use method of linkage type blanking valve | |
| CN203306756U (en) | Pneumatic gate device | |
| CN109230624B (en) | Linkage type blanking valve | |
| CN205207723U (en) | Yeast for making hard liquor production line is with circular unloading valve | |
| CN208501441U (en) | Municipal road construction vibration leveling device | |
| CN109823515A (en) | Spoiler system on guided flight vehicle and the method using it are set | |
| CN206389966U (en) | A kind of full-automatic shit remover of cattle and sheep plant | |
| CN107520800A (en) | A kind of installation fixture of press-seat butterfly valve seat | |
| CN208798346U (en) | A kind of agrochemical scattering mechanism | |
| CN206874845U (en) | Manual adjusting air valve | |
| CN205661880U (en) | Indicating type discharge apparatus | |
| CN208976164U (en) | A kind of loudspeaker automatic gluing mechanism | |
| CN204043975U (en) | A kind of adjustable surely than reduction device | |
| CN204413581U (en) | The material-feeding and fetching integrated device of blade inserting impeller | |
| CN207857210U (en) | A kind of micro heat pipe surface spraying device | |
| CN110017685A (en) | Rollingscratchboarddrier | |
| CN204553887U (en) | A kind of Novel hand pneumatic gate valve | |
| CN107149897A (en) | A kind of rotary stirring equipment |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |