CN205190619U - Double -cylinder atmospheric pressure buffering support - Google Patents
Double -cylinder atmospheric pressure buffering support Download PDFInfo
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- CN205190619U CN205190619U CN201520992411.3U CN201520992411U CN205190619U CN 205190619 U CN205190619 U CN 205190619U CN 201520992411 U CN201520992411 U CN 201520992411U CN 205190619 U CN205190619 U CN 205190619U
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Abstract
The utility model relates to a double -cylinder atmospheric pressure buffering support solves current atmospheric pressure cushioned cylinder and all has only a cylinder body and piston, the limited problem of buffering effect. This device is including the fixed cylinder block that sets up, and the top of cylinder block is equipped with the footstock that can move about from top to bottom, and fixed surface sets up down the cylinder body on the cylinder block, correspond in the lower cylinder body to set up the lower piston, the fixed cylinder body that sets up in bottom surface of footstock, the internal correspondence of upper cylinder half sets up the upper piston, go up the cylinder body downwards the cover establish in the outside of cylinder body down, go up and cushion the gas circuit on inside formation of cylinder body, lower cylinder body upper end lateral wall offer with the external lower buffering gas pocket that feeds through, feed through inside and outside the lower cylinder body and cushion the gas circuit under the formation. The utility model discloses a two cylinder structures of nested formula form the secondary buffering, have promoted the buffer capacity of pneumatic cylinder, improve buffering effect.
Description
Technical field
The utility model belongs to technical field of mechanical equipment, relates to a kind of damping device, particularly a kind of twin-tub pressure buffer bearing.
Background technique
In manufacture process, can produce larger impact in a lot of technological process, if these impact is not that production is necessary, that just needs to be cushioned impact force by damping device, avoids the excessive equipment transition loss that causes of impact force even to damage.Damping device can be spring, hydraulic buffer cylinder, pressure buffer cylinder etc.Can produce metal fatigue after spring buffer frequently withstands shocks, cause damage, therefore need to regularly replace spring, loss is comparatively large, and once spring failure, easily causes production accident.Need filling liquid force feed in the oil hydraulic circuit of hydraulic buffer cylinder, and compared with pneumatic circuit, after liquid pressurized, rate of volumetric change is little, can withstand shocks comparatively large, but buffering unloads power effect not as pressure buffer cylinder.Traditional pressure buffer cylinder all only has a cylinder body and piston, and form buffering air cavity by inflation between piston and cylinder body, buffering stressed effect is limited.
Summary of the invention
The purpose of this utility model is that solving existing pressure buffer cylinder all only has a cylinder body and piston, cushioning effect limitation problem, provides a kind of twin-tub pressure buffer bearing.
The utility model solves the technological scheme that its technical problem adopts: a kind of twin-tub pressure buffer bearing, comprise the cylinder block be fixedly installed, the top of cylinder block is provided with footstock movable up and down, cylinder block upper surface is fixedly installed lower cylinder body, in lower cylinder body, correspondence arranges lower piston, the bottom surface of footstock is fixedly installed upper cylinder body, in upper cylinder body, correspondence arranges upper piston, and buffer air chamber is formed on the upside of upper piston and between upper cylinder body inner top wall, upper cylinder body is set in the outside of lower cylinder body downwards, upper piston is fixed on the top of lower cylinder body, the inner top wall of upper cylinder body is provided with the hollow tubular being passed down through upper piston, hollow tubular lower end and lower piston are fixed, hollow tubular top sidewall is offered buffering pore and is communicated with buffer air chamber, lower piston, the bottom of lower cylinder offer gas circuit through hole and and hollow tubular, buffer air chamber connection is formed and cushions gas circuit, lower cylinder body upper end sidewall offers the lower buffering pore be in communication with the outside, gas circuit is cushioned under the inside and outside connection of lower cylinder body is formed.Upper cylinder body and lower cylinder body form nested twin-tub buffer structure.By the inflation of upper cushion gas road direction buffer air chamber by top board upwards jack-up, now, upper piston and lower cylinder body maintain static with cylinder block, upper cylinder body, hollow tubular drive lower piston to rise with top board, being vented by lower buffering pore of lower cylinder body top.Top board sinks when being subject to impact force, and buffer air chamber is vented from upper buffering pore, hollow tubular, upper vent hole to air reservoir, is formed once cushion by exhaust damping; Lower cylinder body, by lower buffering pore air-breathing, forms secondary buffer by air-breathing damping.
As preferably, described hollow tubular height is greater than the height of lower cylinder.Hollow tubular promotes to be formed bottom lower piston to lower cylinder body downward spacing, and now because hollow tubular height is greater than lower cylinder height, upper buffering pore and the buffer air chamber of air duct sidewall keep being communicated with.
As preferably, described footstock bottom surface is symmetrical arranged two upper cylinder bodies and upper piston, and on cylinder block, correspondence arranges two lower cylinder bodies and lower piston, forms two groups of buffer structures.
As preferably, be mutually permanently connected by contiguous block between two upper cylinder bodies.
As preferably, the bottom surface of described footstock arranges position-limited lever between two upper cylinder bodies, and position-limited lever lower end is passed down through cylinder block, and arranges stroke limit block in position-limited lever lower end, and the bottom surface correspondence of cylinder block arranges position limit socket.Stroke limit block carries out spacing to footstock upward stroke.
As preferably, the upper buffering gas circuit of two groups of buffer structures is interconnected.Ensure two groups of buffering gas circuit balance supports.
As preferably, the end face of described footstock is provided with the top board of lattice-shaped.
The utility model adopts the two cylinder arrangement of nesting type, forms secondary buffer, improves the buffer capacity of pneumatic cylinder, improve cushioning effect; Be symmetrical arranged by two groups of damping devices, make cushioning supportive stress balance.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is three-dimensional structure diagram of the present utility model.
In figure: 1, footstock, 2, top board, 3, cylinder block, 4, position-limited lever, 5, position limit socket, 6, stroke limit block, 7, upper cylinder body, 8, upper piston, 9, lower cylinder body, 10, lower piston, 11, hollow tubular, 12, buffer air chamber, 13, upper buffering pore, 14, lower buffering pore, 15, contiguous block.
Embodiment
Also by reference to the accompanying drawings the utility model is further illustrated below by specific embodiment.
Embodiment: a kind of twin-tub pressure buffer bearing, as shown in Figure 1, 2.This device comprises the cylinder block 3 be fixedly installed, and the top of cylinder block is provided with footstock 1 movable up and down, and the upper surface of footstock is provided with the top board 2 of lattice-shaped.Described footstock bottom surface be symmetrical arranged the identical buffer structure of two groups of structures between cylinder block end face.
As shown in Figure 1, cylinder block 3 upper surface is fixedly installed lower cylinder body 9 to buffer structure, and in lower cylinder body 9, correspondence arranges lower piston 10, and the bottom surface of footstock 1 is fixedly installed upper cylinder body 7, and in upper cylinder body, correspondence arranges upper piston 8.Buffer air chamber 12 is formed on the upside of upper piston 8 and between upper cylinder body 7 inner top wall.Upper cylinder body 7 is set in the outside of lower cylinder body 9 downwards, and upper piston 8 is fixed on the top of lower cylinder body 7.The inner top wall of upper cylinder body 7 is provided with the hollow tubular 11 being passed down through upper piston 8, and hollow tubular lower end and lower piston 10 are fixed, and hollow tubular top sidewall is offered buffering pore 13 and is communicated with buffer air chamber.The bottom of lower piston, lower cylinder is offered gas circuit through hole and is communicated with hollow tubular 11, buffer air chamber 12 to be formed and cushions gas circuit.Lower cylinder body upper end sidewall offers the lower buffering pore 14 be in communication with the outside, lower cylinder body is inside and outside be communicated with formed under cushion gas circuit, the lower buffering gas circuit of two groups of damping devices is interconnected formation air pressure balance.Hollow tubular height is greater than the height of lower cylinder body, and hollow tubular promotes to be formed bottom lower piston to lower cylinder body downward spacing, and now because hollow tubular height is greater than lower cylinder height, upper buffering pore and the buffer air chamber of air duct sidewall keep being communicated with.
Bottom footstock 1, two upper cylinder bodies are mutually permanently connected by contiguous block 15.In the middle of two upper cylinder bodies 7, arrange position-limited lever 4 in the bottom surface of footstock 1, position-limited lever lower end is passed down through cylinder block 3, and arranges stroke limit block 6 in position-limited lever lower end, and the bottom surface correspondence of cylinder block arranges position limit socket 5.Stroke limit block and position limit socket to footstock upwards jacking formed spacing.
Claims (7)
1. a twin-tub pressure buffer bearing, it is characterized in that, comprise the cylinder block be fixedly installed, the top of cylinder block is provided with footstock movable up and down, cylinder block upper surface is fixedly installed lower cylinder body, in lower cylinder body, correspondence arranges lower piston, the bottom surface of footstock is fixedly installed upper cylinder body, in upper cylinder body, correspondence arranges upper piston, and buffer air chamber is formed on the upside of upper piston and between upper cylinder body inner top wall, upper cylinder body is set in the outside of lower cylinder body downwards, upper piston is fixed on the top of lower cylinder body, the inner top wall of upper cylinder body is provided with the hollow tubular being passed down through upper piston, hollow tubular lower end and lower piston are fixed, hollow tubular top sidewall is offered buffering pore and is communicated with buffer air chamber, lower piston, the bottom of lower cylinder offer gas circuit through hole and and hollow tubular, buffer air chamber connection is formed and cushions gas circuit, lower cylinder body upper end sidewall offers the lower buffering pore be in communication with the outside, gas circuit is cushioned under the inside and outside connection of lower cylinder body is formed.
2. a kind of twin-tub pressure buffer bearing according to claim 1, is characterized in that: described hollow tubular height is greater than the height of lower cylinder.
3. a kind of twin-tub pressure buffer bearing according to claim 1 and 2, it is characterized in that: described footstock bottom surface is symmetrical arranged two upper cylinder bodies and upper piston, on cylinder block, correspondence arranges two lower cylinder bodies and lower piston, forms two groups of buffer structures.
4. a kind of twin-tub pressure buffer bearing according to claim 3, be is characterized in that: be mutually permanently connected by contiguous block between two upper cylinder bodies.
5. a kind of twin-tub pressure buffer bearing according to claim 3, it is characterized in that: the bottom surface of described footstock arranges position-limited lever between two upper cylinder bodies, position-limited lever lower end is passed down through cylinder block, and arranges stroke limit block in position-limited lever lower end, and the bottom surface correspondence of cylinder block arranges position limit socket.
6. a kind of twin-tub pressure buffer bearing according to claim 3, is characterized in that: the upper buffering gas circuit of two groups of buffer structures is interconnected.
7. a kind of twin-tub pressure buffer bearing according to claim 1 and 2, is characterized in that: the end face of described footstock is provided with the top board of lattice-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520992411.3U CN205190619U (en) | 2015-12-04 | 2015-12-04 | Double -cylinder atmospheric pressure buffering support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520992411.3U CN205190619U (en) | 2015-12-04 | 2015-12-04 | Double -cylinder atmospheric pressure buffering support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205190619U true CN205190619U (en) | 2016-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520992411.3U Active CN205190619U (en) | 2015-12-04 | 2015-12-04 | Double -cylinder atmospheric pressure buffering support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205190619U (en) |
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2015
- 2015-12-04 CN CN201520992411.3U patent/CN205190619U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |