CN209278381U - A kind of pressure buffer damping unit - Google Patents
A kind of pressure buffer damping unit Download PDFInfo
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- CN209278381U CN209278381U CN201822177322.XU CN201822177322U CN209278381U CN 209278381 U CN209278381 U CN 209278381U CN 201822177322 U CN201822177322 U CN 201822177322U CN 209278381 U CN209278381 U CN 209278381U
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- cylinder
- motion stops
- outer cylinder
- piston rod
- plug
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Abstract
The utility model discloses a kind of pressure buffer damping units, and the front end of the piston rod including outer cylinder and setting in the inner, the outer cylinder is equipped with opening, and rear end is closed；The piston rod is matched with the opening, and it is protruded into the outer cylinder from opening, one end that piston rod is located in outer cylinder is fixed with commutation plug, ventilative gap is equipped between the commutation plug and the outer cylinder inner wall, commutation plug is with the piston rod along its axial activity in the outer cylinder；The first motion stops and the second motion stops are additionally provided with, first motion stops and the second motion stops are set in the outer cylinder of the commutation plug axial sides, and can be along its axial activity；First motion stops are equipped with slide opening, and the piston rod passes through the slide opening；This buffer unit is clean, without using buffer spring, runs smoothly, long service life.
Description
Technical field
The utility model relates to a kind of damper, especially a kind of pressure buffer damping unit.
Background technique
In modern house finishing, more and more people can select the wall cabinet door (being called sliding door, sliding door) that can be pushed and pulled,
Its is light and handy, easy to use, and space utilization rate is high, and subscription process is relatively simple, green by finishing owner always since market
It looks at, the trend of big substituted traditional vertical hinged door, wall cabinet door generally comprises frame, track and pulley, and middle pulley is mounted on frame
On moved along track to be opened and closed wall cabinet door, the service life of wall cabinet door is heavily dependent on the service life of pulley, and in daily life
Undue force is smaller plus the resistance between pulley and track when in work due to shutter door, often will appear the frame of wall cabinet door
The case where with wall collision, impact will lead to frame deformation or pulley de-orbits situations such as equal, greatly reduce wall cabinet door
Service life.
In response to this, buffer function can be enhanced using some dampers with cylinder in the prior art, but it is existing
There is the damper in technology to mostly use single cylinder and spring combination to reach certain cushion effect, but this structure
The service life of damper is limited by the service life of spring, and the exposed corrosion being easy outside by outside air and steam of spring,
Therefore phase cushion performance will be greatly reduced after long-term use, and operation stability is difficult to be guaranteed.Also some use hydraulic cylinder
It buffers, although hydraulic cylinder cushion is relatively stable in effect early period, but has the wind of oil leak after long-term use
Danger, when use is on wardrobe, wherein the oil spilt is easy to make dirty the clothing in wardrobe, and not easy to clean.
Utility model content
The utility model aim is the problem of for above-mentioned background technique, provides a kind of pressure buffer damping dress
It sets, it is clean, without using buffer spring, run smoothly, long service life.
In order to achieve the above object, the technical solution of the utility model has:
A kind of pressure buffer damping unit, the piston rod including outer cylinder and setting in the inner,
The front end of the outer cylinder is equipped with opening, and rear end is closed；
The piston rod is matched with the opening, and is protruded into the outer cylinder from opening, and piston rod is located in outer cylinder
One end be fixed with commutation plug, ventilative gap is equipped between commutation plug and the outer cylinder inner wall, commutation is filled in the work
Stopper rod is in the outer cylinder along its axial activity；
The first motion stops and the second motion stops are additionally provided with, first motion stops and the second motion stops are filled in set on the commutation
In the outer cylinder of axial sides, and can be along its axial activity；First motion stops are equipped with slide opening, and the piston rod passes through institute
State slide opening.
Further, flexible sealing is set between first motion stops and the second motion stops and the outer cylinder inner wall
Circle.
Still further, further include the first cylinder, the second cylinder, third cylinder and the 4th cylinder of variable volume, it is described
It is the first cylinder between front end and the first motion stops, is the second cylinder, the commutation between first motion stops and commutation plug
It is third cylinder between plug and the second motion stops, is the 4th cylinder between second motion stops and the rear end.
Preferably, it is equipped with mounting groove on the outside of first motion stops and the second motion stops, the sealing ring is embedded at described
In mounting groove.
Preferably, the front end and/or rear end are additionally provided with sealing-plug.
Preferably, connector is additionally provided on the piston rod.
Preferably, the outer cylinder is externally provided with shell.
Preferably, first motion stops, the second motion stops and commutation plug are plastic material.
A kind of pressure buffer damping unit of the utility model forms four independences or not independence by the way that multiple cock bodys are arranged
Cylinder, pushed during drawing piston rod disengaging outer cylinder outside, corresponding variation occurs for the volume and pressure of each cylinder,
The resistance opposite with external force direction is generated, to play the role of buffering.In the process, without using other dresses such as spring
It sets, only can be realized by the buffer unit of air cylinder structure, structure is simple, runs smoothly；And without injecting hydraulic oil, especially make
When on the doors such as wardrobe, more lightweight does not have to hygienic issues caused by worrying oil leak.
When applying external force and pulling out piston rod from outer cylinder depths (such as cabinet door is moved, thus promotion and cabinet
When the piston rod of door connection), the volume of the second cylinder becomes smaller, pressure rise, and the volume of third cylinder increases, pressure reduction, because
This gas is shifted by the ventilative gap of commutation beyond the Great Wall from the second cylinder to third cylinder.In transfer process, the second cylinder pair
The pressure of plug that commutates and resistance and the outside direction of pull of gas transfer have slowed down pull-out on the contrary, play the role of buffering
Speed.At the same time, the first motion stops and the second motion stops are because the variation of the second cylinder of middle part and third cylinder air pressure is outside
Mobile in the middle part of cylinder barrel, so that the volume of the first cylinder and the 4th cylinder becomes larger, pressure is smaller, when convenient for pulling out piston rod next time
Its pull-out is helped, avoids the resistance pulled out excessive.
When applying external force and making piston rod from stretching state to outer cylinder internal activity, the volume of the second cylinder becomes larger,
The volume of pressure reduction, third cylinder becomes smaller, pressure rise, and gas is by commutation ventilative gap beyond the Great Wall from third cylinder to the
The transfer of two cylinders.In transfer process, third cylinder is to the pressure of commutation plug and resistance and the inside thrust phase of gas transfer
Instead, play the role of buffering, slow down the speed for pushing piston rod.At the same time, the first motion stops and the second motion stops because
The variation of the second cylinder of middle part and third cylinder air pressure is mobile to the both ends of outer cylinder, so that the first cylinder and the 4th cylinder
Volume becomes smaller, and pressure is larger, convenient for helping its inspiration when propelling piston bar next time, avoids the resistance promoted excessive.
The sealing-plug being arranged on outer cylinder front-end and back-end can prevent gas from leaking out from both ends, influence each gas in outer cylinder
The operation of cylinder；The sealing ring being arranged on the outside of first motion stops and the second motion stops is also possible to prevent to collaborate between each cylinder, uses
Mounting groove also avoids the first motion stops and the second motion stops installing sealing ring and falls off during sliding.On piston rod
Connector can be used to connect sliding door, such as cabinet door etc., and whole device can be mounted on and be slided by the shell outside outer cylinder
By the guide rail of door, cooperate with piston rod, when so that sliding door driving piston rod sliding, piston rod is also slided in outer cylinder.Modeling
Expect that the first motion stops, the second motion stops and commutation plug cost of material are lower, and can be socketed and reach with piston rod well
Sealing effect.
Detailed description of the invention
Schematic cross-sectional view when Fig. 1 is a kind of pressure buffer damping unit piston rod push-in outer cylinder of the utility model；
Schematic cross-sectional view when Fig. 2 is a kind of pressure buffer damping unit piston rod release outer cylinder of the utility model；
Fig. 3 is the enlarged drawing in Fig. 1 at A.
Specific embodiment
A kind of pressure buffer damping unit of the utility model is described with reference to the drawings, as seen from the figure:
The buffer unit of this sliding door includes the piston rod 2 of outer cylinder 1 and setting in the inner,
The front end 11 of the outer cylinder 1 is equipped with opening, and rear end 12 is closed；
The piston rod 2 is matched with the opening, and is protruded into the outer cylinder 1 from opening, and piston rod 2 is located at outer cylinder
One end in 1 is fixed with commutation plug 3, is equipped with ventilative gap between commutation plug 3 and 1 inner wall of the outer cylinder, commutation fill in 3 with
The piston rod 2 is in the outer cylinder 1 along its axial activity；
The first motion stops 4 and the second motion stops 5 are additionally provided with, first motion stops 4 and the second motion stops 5 are set to described change
Into the outer cylinder 1 of 3 axial sides of plug, and can be along its axial activity；First motion stops 4 are equipped with slide opening, the piston
Bar 2 passes through the slide opening.
Flexible sealing ring 41 is set between 1 inner wall of first motion stops 4 and the second motion stops 5 and the outer cylinder,
Mounting groove is equipped on the outside of first motion stops 4 and the second motion stops 5, the sealing ring 41 is in the mounting groove.
It further include the first cylinder 6, the second cylinder 7, third cylinder 8 and the 4th cylinder 9 of variable volume, 11 He of front end
It is the first cylinder 6 between first motion stops 4, is the second cylinder 7 between first motion stops 4 and commutation plug 3, the commutation plug
3 and second be third cylinder 8 between motion stops 5, is the 4th cylinder 9 between second motion stops 5 and the rear end 12.
Another embodiment (attached to be not shown in the figure) as the utility model:
A kind of pressure buffer damping unit, the front end 11 and/or rear end 12 are additionally provided with sealing-plug 13；The piston rod 2
On be additionally provided with connector；The outer cylinder 1 is externally provided with shell；First motion stops 4, the second motion stops 5 and commutation plug 3 are modeling
Expect material.
Four independences or not independent cylinder are formed by the way that multiple cock bodys are arranged, pushes piston rod 2 is drawn to pass in and out outer shell outside
During cylinder 1, corresponding variation occurs for the volume and pressure of each cylinder, generates the resistance opposite with external force direction, thus
Play the role of buffering.It in the process, only can be real by the buffer unit of air cylinder structure without using other devices such as spring
Existing, structure is simple, runs smoothly；And without injecting hydraulic oil, when being especially for use on the doors such as wardrobe, more lightweight, no
The hygienic issues caused by worry oil leak.
When applying external force and pulling out piston rod 2 from 1 depths of outer cylinder (such as move cabinet door, thus push with
When the piston rod 2 of cabinet door connection), the volume of the second cylinder 7 becomes smaller, pressure rise, and the volume of third cylinder 8 increases, pressure drop
It is low, therefore gas is shifted by the ventilative gap on commutation plug 3 from the second cylinder 7 to third cylinder 8.In transfer process, the
The commutation of two 7 pairs of cylinders fills in 3 pressure and resistance and the outside direction of pull of gas transfer on the contrary, playing the role of buffering, subtracts
The slow speed pulled out.At the same time, the first motion stops 4 and the second motion stops 5 are because of the second cylinder of middle part 7 and third cylinder 8
The variation of air pressure is to moving in the middle part of outer cylinder 1, so that the volume of the first cylinder 6 and the 4th cylinder 9 becomes larger, pressure is smaller, is convenient for
Its pull-out is helped when pulling out piston rod 2 next time, avoids the resistance pulled out excessive.
When applying external force and making piston rod 2 from stretching state to 1 internal activity of outer cylinder, the volume of the second cylinder 7 becomes
Greatly, the volume of pressure reduction, third cylinder 8 becomes smaller, pressure rise, and gas is by the ventilative gap on commutation plug 3 by third gas
Cylinder 8 is shifted to the second cylinder 7.In transfer process, 8 pairs of third cylinder commutation plug 3 pressure and gas transfer resistance with to
Interior thrust has slowed down the speed for pushing piston rod 2 on the contrary, play the role of buffering.At the same time, the first motion stops 4 and
Two motion stops 5 are because the variation of 8 air pressure of the second cylinder of middle part 7 and third cylinder is mobile to the both ends of outer cylinder 1, so that first
The volume of cylinder 6 and the 4th cylinder 9 becomes smaller, and pressure is larger, convenient for helping its inspiration when propelling piston bar 2 next time, avoids pushing away
Into resistance it is excessive.
The sealing-plug 13 being arranged on 1 front end 11 of outer cylinder and rear end 12 can prevent gas from leaking out from both ends, influence outer shell
The operation of each cylinder in cylinder 1；The sealing ring 41 being arranged on the outside of first motion stops 4 and the second motion stops 5 is also possible to prevent each cylinder
Between collaborate, sealing ring 41 is installed using mounting groove and also avoids the first motion stops 4 and the second motion stops 5 in the process of sliding
In fall off.Connector on piston rod 2 can be used to connect sliding door, such as cabinet door etc., and the shell outside outer cylinder 1 can will be whole
A device is mounted on by the guide rail with sliding door, is cooperated with piston rod 2, when so that sliding door driving piston rod 2 to slide, piston rod
2 also slide in outer cylinder 1.First motion stops 4 of plastic material, the second motion stops 5 and commutation 3 costs of plug are lower, and can be with
Sealing effect is socketed and reached with piston rod 2 well.
The utility model is only explained with regard to the primary structure of buffer unit, and the installation with sliding door and track is using this
General mounting means and gimmick, are not described herein in field.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right
Some modifications and changes of the utility model should also be as falling into the protection scope of the claims of the present utility model.In addition, to the greatest extent
It is used some specific terms in pipe this specification, these terms are merely for convenience of description, not to the utility model
Constitute any restrictions.
Claims (8)
1. a kind of pressure buffer damping unit, the piston rod including outer cylinder and setting in the inner, which is characterized in that
The front end of the outer cylinder is equipped with opening, and rear end is closed；
The piston rod is matched with the opening, and is protruded into the outer cylinder from opening, and piston rod is located at one in outer cylinder
End is fixed with commutation plug, ventilative gap is equipped between the commutation plug and the outer cylinder inner wall, commutation plug is with the piston rod
Along its axial activity in the outer cylinder；
The first motion stops and the second motion stops are additionally provided with, it is axial that first motion stops and the second motion stops are set to commutation plug
In the outer cylinder of two sides, and can be along its axial activity；First motion stops are equipped with slide opening, and the piston rod passes through the cunning
Hole.
2. pressure buffer damping unit according to claim 1, which is characterized in that first motion stops and the second activity
Flexible sealing ring is set between plug and the outer cylinder inner wall.
3. pressure buffer damping unit according to claim 2, which is characterized in that further include the first gas of variable volume
Cylinder, the second cylinder, third cylinder and the 4th cylinder are the first cylinder between the front end and the first motion stops, and described first is living
It is the second cylinder between dynamic plug and commutation plug, is third cylinder between the commutation plug and the second motion stops, second activity
It is the 4th cylinder between plug and the rear end.
4. pressure buffer damping unit according to claim 2, which is characterized in that first motion stops and the second activity
Side is equipped with mounting groove beyond the Great Wall, and the sealing ring is in the mounting groove.
5. pressure buffer damping unit according to claim 1, which is characterized in that the front end and/or rear end are additionally provided with
Sealing-plug.
6. pressure buffer damping unit according to claim 1, which is characterized in that be additionally provided with connection on the piston rod
Part.
7. pressure buffer damping unit according to claim 1, which is characterized in that the outer cylinder is externally provided with shell.
8. pressure buffer damping unit according to claim 1, which is characterized in that first motion stops, the second activity
Plug and commutation plug are plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822177322.XU CN209278381U (en) | 2018-12-24 | 2018-12-24 | A kind of pressure buffer damping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822177322.XU CN209278381U (en) | 2018-12-24 | 2018-12-24 | A kind of pressure buffer damping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209278381U true CN209278381U (en) | 2019-08-20 |
Family
ID=67606772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822177322.XU Active CN209278381U (en) | 2018-12-24 | 2018-12-24 | A kind of pressure buffer damping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209278381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005964A (en) * | 2019-12-20 | 2020-04-14 | 无锡比德希减震阻尼技术有限公司 | Bumper shock absorber subassembly with dustproof function |
-
2018
- 2018-12-24 CN CN201822177322.XU patent/CN209278381U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005964A (en) * | 2019-12-20 | 2020-04-14 | 无锡比德希减震阻尼技术有限公司 | Bumper shock absorber subassembly with dustproof function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A pneumatic buffer damping device Effective date of registration: 20200828 Granted publication date: 20190820 Pledgee: Shunde Guangdong rural commercial bank Limited by Share Ltd. Daliang branch Pledgor: FOSHAN SHUNDE TUO OU MA HARDWARE Co.,Ltd. Registration number: Y2020980005518 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220106 Granted publication date: 20190820 Pledgee: Shunde Guangdong rural commercial bank Limited by Share Ltd. Daliang branch Pledgor: FOSHAN SHUNDE TUO OU MA HARDWARE CO.,LTD. Registration number: Y2020980005518 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: 528329 No.2, Yongye Avenue, Shilong Intensive Industrial Zone, Shibian Village, Lunjiao Street, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Flying Animal Technology Co.,Ltd. Address before: 528329 A, No.9 Xingye Road, Yang'e Village Committee, Lunjiao, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN SHUNDE TUO OU MA HARDWARE CO.,LTD. |
|
| CP03 | Change of name, title or address |