CN206874739U - A kind of differential type flexible membrane damping adjustment device - Google Patents
A kind of differential type flexible membrane damping adjustment device Download PDFInfo
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- CN206874739U CN206874739U CN201720194239.6U CN201720194239U CN206874739U CN 206874739 U CN206874739 U CN 206874739U CN 201720194239 U CN201720194239 U CN 201720194239U CN 206874739 U CN206874739 U CN 206874739U
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- Prior art keywords
- flexible membrane
- cavity
- lever
- take
- differential type
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- 238000013016 damping Methods 0.000 title claims abstract description 36
- 239000012528 membrane Substances 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 20
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 14
- 230000009471 action Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004826 seaming Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
It the utility model is related to a kind of differential type flexible membrane damping adjustment device.Because the gas in upper cavity can pass through steam vent discharge only to need to overcome less damping when being moved upwards by take-off lever；Gas can not escape and cause upper and lower cavity internal pressure difference increase in upper cavity when moving downward, and take-off lever needs to overcome larger damping.Take-off lever damping size can be adjusted using regulating bolt control charge flow rate, and the damping action that the upward motion process of take-off lever is subject to is significantly higher than the damping action being subject to when moving downward.The utility model is compact-sized, improves the stationarity of mechanism kinematic, reduce part severe impact caused by noise, improve the service life of part, obtain preferable economic benefit.
Description
Technical field
A kind of damping adjustment device is the utility model is related to, particularly a kind of differential type flexible membrane damping adjustment device.
Background technology
With the continuous improvement of automated production level, machine operating speed is largely increased.Under many complex working conditions,
The impulsive force that the part of high-speed cruising is subject to also accordingly increases, and causes local pressure concentration phenomenon more prominent, mechanism will complete
The impulsive force that reciprocating motion and process are subject to is significantly higher than the impulsive force that return is subject to, and does not only result in noise pollution, and aggravate
The abrasion of part, reduce the service life of part.
The content of the invention
Goal of the invention：Based on the deficiencies in the prior art, for the process stress characteristic different with return, the present invention provides one
Kind of differential type flexible membrane damping adjustment device, for reducing the technology that impact during high-speed cruising to part is big, abrasion is high
Problem.
Technical scheme：
A kind of differential type flexible membrane damping adjustment device, for providing damping to take-off lever, device is internally provided with one
Hollow cavity, the cavity are divided into the epicoele and cavity of resorption completely cut off completely by flexible membrane, are provided with above epicoele and connect with epicoele
Logical differential type air admission hole and relief valve, for cavity of resorption with being sealed outside device, the take-off lever stretches into cavity of resorption and output outside device
The end of bar is fixed on flexible membrane.
The utility model principle is the resistance with being subject to when moving downward using the damping that the upward motion process of take-off lever is subject to
Buddhist nun is of different sizes, so as to reach regulation take-off lever motion feature, improves the stationarity of motion.When the bottom-up motion of take-off lever
When, by compression so as to which intracavity gas are able to discharge from relief valve, lower cavity space increase, pressure reduce the gas of upper intracavitary, defeated
Rod continues up under less damping action；When take-off lever starts to move downward, the gas inside epicoele can not
Escaped by relief valve, lower cavity space reduces pressure increase, the increase of upper and lower cavity pressure differential, causes to act on the resistance on flexible membrane
Power increases, and take-off lever moves under larger damping action.The damping that the upward motion process of take-off lever is subject to is less than when moving downward
Damping.Due in the prior art, the impulsive force that process is subject to is significantly higher than the impulsive force that return is subject to, therefore by the utility model
The middle upward motion process of take-off lever is applied to return, and the process that take-off lever moves downward is applied to process, has then realized and be directed to
Reduce to property the purpose of impulsive force.
Further, in the utility model, including upper cavity and lower chamber, the epicoele are located in upper cavity and are open
Downwards, the cavity of resorption is located in lower chamber and opening upwards, and the opening of upper cavity and lower chamber is relative and mutually solid by bolt
It is fixed；The flexible membrane is fixed by the counterface of upper cavity and lower chamber；Through hole is provided with the lower chamber, it is described
Bushing is fixed with through hole, the take-off lever enters cavity of resorption after passing through bushing, sealing gasket is provided between take-off lever and bushing；Also
Including sealing screw, the head of screw of the sealing screw is located at upper intracavitary, and sealing screw through flexible membrane and is fixed on from epicoele
The end of take-off lever, sealing gasket is provided between the sealing screw and flexible membrane.
Further, in the utility model, the differential type air admission hole leads to including air admission hole, adjusting rod and adjusting rod
Road, the air admission hole connects epicoele and outside device, the adjusting rod passage is located in upper cavity and run through with air admission hole, described
Adjusting rod is that bolt is coordinated with adjusting rod passage by screw thread, and the bar footpath of the adjusting rod is more than the aperture of air admission hole.Adjust spiral shell
Bolt can control the air inflow of air admission hole, adjust pressure differential in upper and lower cavity body, and then adjust the damping size of take-off lever.Wherein,
The upward motion process fine setting damping of take-off lever is more notable compared to process is moved downward.
Further, in the utility model, the relief valve includes steam vent and pressure apparatus, the steam vent connection
Outside epicoele and device, the pressure apparatus includes pressure ball, pressure plate, and the opening of steam vent and ft connection is outer imperial palace
Small round platform hole, pressure ball is adapted to circular hole and a part is exposed to outside round platform hole, and the pressure plate is fixed by holding screw
In on upper cavity, and pressure plate is pressed on the pressure ball being exposed to outside round platform hole.It is enough to overcome as upper intracavitary air pressure increases to
After the resistance of pressure plate, air-flow is discharged by steam vent.
Further, in the utility model, hemisphere is simultaneously provided with the counterface of the upper cavity and lower chamber
Shape projection, another side are provided with the hemispherical groove of adaptation, and the edge of the flexible membrane is pressed in the projection and groove of mutual cooperation
Between.Flexible membrane uses silicon rubber mantle, and raised, groove, which is tightly fastened flexible membrane and coordinated with flexible membrane, plays gas in annular seal space
The effect of body.
Further, in the utility model, in addition to upper holder block, the upper holder block are adapted to head of screw, and upper holder block will
Head of screw is wrapped up, and sealing gasket is provided between flexible membrane.
Beneficial effect：
The utility model passes through ingenious setting cavity body structure so that and take-off lever is moved by driving flexible membrane in cavity,
The pressure for realizing change upper and lower cavity is converted into the damping of take-off lever, and for the process stress characteristic different with return, resistance
The size of Buddhist nun is also different in process and return, is adapted to well with this kind of high speed part for needing to buffer；
And it is provided with differential type air admission hole, it is only necessary to air inflow is changed by adjusting rod, so as to which adjustment effect is in take-off lever
On damping size so that the wide adaptability of the present apparatus.
Brief description of the drawings
Fig. 1 is differential type flexible membrane damping adjustment device figure；
Fig. 2 is the partial enlarged drawing of a-quadrant in Fig. 1；
Fig. 3 is axonometric drawing of the present utility model.
Embodiment
Further explanation is done to the utility model below in conjunction with the accompanying drawings.
It is outside overall as shown in figure 3, internal junction the utility model proposes a kind of differential type flexible membrane damping adjustment device
Structure is as shown in figure 1, the device mainly includes upper cavity 1, holding screw 2, pressure plate 3, steel ball 4, adjusting rod 5, bolt 6, flexibility
Film 7, lower chamber 8, seaming chuck 9, sealing screw 10, bushing 11, take-off lever 12 etc..
As shown in Fig. 2 using the gas in the sealing of bolt 6 upper cavity 1, lower chamber 8, and separated air with flexible membrane 7
Open.Wherein, flexible membrane 7, seaming chuck 9, take-off lever 12 are closely coupled to ensure in upper cavity and lower chamber by sealing screw 10
Interior air separates.The end face of lower chamber 8 is provided with hemispherical flanging projection, and is prevented with the cooperation of the hemispherical groove of upper cavity 1
Intracavity gas leak, and ensure that flexible membrane 7 is tightly fastened.Adjusting rod 5 can control air admission hole size, so as to adjust inlet air flow
Amount.Pressure plate 3 contacts with pressure ball 4, and is fixed on the upper surface of upper cavity 1.When the air pressure in upper cavity 8 reaches a certain threshold values can
Overcome the resistance of pressure ball 4 and pressure plate 3 and discharge pressure release.Through hole is provided with lower chamber, bushing 11 is fixed with through hole, it is defeated
Rod 12 enters cavity of resorption after passing through bushing 11, and sealing gasket is provided between take-off lever 12 and bushing 11 and ensures cavity of resorption and outside
Between sealing.
During take-off lever 12 moves up to a positions as shown in Figure 1, as the air pressure inside of upper cavity 1 increases
When being large enough to overcome pressure plate 3 to the resistance of pressure ball 4, the internal gas of upper cavity 1 can freely be discharged from steam vent, thus
Moved it is considered that take-off lever 12 is under the damping that gas individually applies in lower chamber 8, take-off lever 12 is made in less damping
With lower motion.Now air inflow can be changed so as to adjust capacity by rotating regulating bolt 5, realize regulation damping size
Purpose.
When take-off lever 12 moves downwardly to the process of b positions as shown in Figure 1, drive of the flexible membrane 7 in take-off lever 12
Gas in lower compression lower chamber 8 increases its pressure.On the one hand, volume expansion in upper cavity 1, air pressure, which reduces, to be caused to press
For power ball 4 by " absorption ", the volume of lower chamber 8 reduces air pressure increase, and the pressure differential between upper cavity 1 and lower chamber 8 increases suddenly so that defeated
Rod 12 moves under larger damping action；On the other hand, regulation regulating bolt 5 can control the air inflow in upper cavity 1,
The atmospheric pressure value in upper cavity 1 is adjusted, and then finely tunes pressure differential and has the function that regulation damping size.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (6)
- A kind of 1. differential type flexible membrane damping adjustment device, for providing damping to take-off lever (12), it is characterised in that：In device Portion is provided with a hollow cavity, and the cavity is divided into the epicoele and cavity of resorption that completely cut off completely, the top of epicoele by flexible membrane (7) It is provided with the differential type air admission hole and relief valve connected with epicoele, cavity of resorption outside device with sealing, and the take-off lever (12) is from dress Cavity of resorption is stretched into outside putting and the end of take-off lever (12) is fixed on flexible membrane (7).
- 2. differential type flexible membrane damping adjustment device according to claim 1, it is characterised in that：Including upper cavity (1) and Lower chamber (8), the epicoele is located in upper cavity (1) and Open Side Down, the cavity of resorption be located at lower chamber (8) it is interior and be open to On, the opening of upper cavity (1) and lower chamber (8) is relative and is interfixed by bolt (6)；The flexible membrane (7) passes through epicoele The counterface of body (1) and lower chamber (8) is fixed；Through hole is provided with the lower chamber (8), is fixed with the through hole Bushing (11), the take-off lever (12) enter cavity of resorption through bushing (11), are provided between take-off lever (12) and bushing (11) afterwards Sealing gasket；Also include sealing screw (10), the head of screw of the sealing screw (10) is located at upper intracavitary, and sealing screw (10) is from upper Chamber is through flexible membrane (7) and is fixed on the end of take-off lever (12), is provided between the sealing screw (10) and flexible membrane (7) Sealing gasket.
- 3. differential type flexible membrane damping adjustment device according to claim 2, it is characterised in that：The differential type air admission hole Including air admission hole, adjusting rod (5) and adjusting rod passage, outside the air admission hole connection epicoele and device, the adjusting rod passage Run through in upper cavity and with air admission hole, the adjusting rod (5) is that bolt is coordinated with adjusting rod passage by screw thread, the tune The bar footpath of pole (5) is more than the aperture of air admission hole.
- 4. differential type flexible membrane damping adjustment device according to claim 2, it is characterised in that：The relief valve includes row Stomata and pressure apparatus, the steam vent connects epicoele and outside device, the pressure apparatus includes pressure ball (4), pressure plate (3), the opening of steam vent and ft connection is the small round platform hole of outer imperial palace, and pressure ball (4) is adapted to circular hole and part dew Outside round platform hole, the pressure plate (3) is fixed on upper cavity (1) by holding screw (2), and pressure plate (3) is pressed in dew On pressure ball (4) outside round platform hole.
- 5. differential type flexible membrane damping adjustment device according to claim 2, it is characterised in that：The upper cavity (1) with Hemispherical projections are simultaneously provided with the counterface of lower chamber (8), another side is provided with the hemispherical groove of adaptation, described soft Property film (7) edge be pressed in mutual cooperation projection and groove between.
- 6. differential type flexible membrane damping adjustment device according to claim 2, it is characterised in that：Also include upper holder block (9), The upper holder block (9) is adapted to head of screw, and upper holder block (9) wraps up head of screw, and is provided with sealing between flexible membrane (7) Pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720194239.6U CN206874739U (en) | 2017-03-02 | 2017-03-02 | A kind of differential type flexible membrane damping adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720194239.6U CN206874739U (en) | 2017-03-02 | 2017-03-02 | A kind of differential type flexible membrane damping adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206874739U true CN206874739U (en) | 2018-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720194239.6U Active CN206874739U (en) | 2017-03-02 | 2017-03-02 | A kind of differential type flexible membrane damping adjustment device |
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| Country | Link |
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| CN (1) | CN206874739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838103A (en) * | 2017-03-02 | 2017-06-13 | 南京航空航天大学 | A kind of differential type flexible membrane damps adjusting method and its device |
-
2017
- 2017-03-02 CN CN201720194239.6U patent/CN206874739U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838103A (en) * | 2017-03-02 | 2017-06-13 | 南京航空航天大学 | A kind of differential type flexible membrane damps adjusting method and its device |
| CN106838103B (en) * | 2017-03-02 | 2023-10-27 | 南京航空航天大学 | Differential flexible membrane damping adjustment method and device thereof |
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