CN203051598U - Novel hydraulic buffer - Google Patents
Novel hydraulic buffer Download PDFInfo
- Publication number
- CN203051598U CN203051598U CN 201220619159 CN201220619159U CN203051598U CN 203051598 U CN203051598 U CN 203051598U CN 201220619159 CN201220619159 CN 201220619159 CN 201220619159 U CN201220619159 U CN 201220619159U CN 203051598 U CN203051598 U CN 203051598U
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- piston rod
- cylinder body
- hydraulic buffer
- novel hydraulic
- sleeved
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Abstract
The utility model discloses a novel hydraulic buffer, which comprises a cylinder body, a piston rod assembly, a one-way valve device and a reset spring device, and is characterized in that the cylinder body is made of a rubber material; the piston rod assembly comprises a guide tube device, a clamping spacer, an oil passing gasket and more than one oil seals, which are sleeved on the piston rod; an oil storing sponge is further arranged in an annular space formed by the guide tube device and the cylinder body; the one-way valve device is made of a rubber material, and is sleeved and fixed on the piston rod; and the other end of the one-way valve device is connected with the reset spring device. According to the novel hydraulic buffer, a single cylinder body is designed, and both the cylinder body and the one-way device are made of rubber materials, so that the novel hydraulic buffer has the advantages of simple structure and low manufacturing cost.
Description
[technical field]
The utility model relates to a kind of novel hydraulic buffer.
[background technique]
Buffer is vibration and the noise that shock absorbing produces, and can reduce vibrations and noise in the automated machine operation, and the kinetic energy that object in the movement is produced is converted to heat energy and is released in the atmosphere, in action the object balance is effectively stopped.Buffer generally adopts air pressure and hydraulic bjuffer at present, and hydraulic bjuffer application in a lot of hydraulic machineries is very wide.Common hydraulic bjuffer adopts the twin-rotor housing structure of outer cylinder body and inner cylinder body, and adopts metallic material to make, and complex structure, cost are also than higher, and owing to adopt metallic material to make, the pipe thickness of cylinder body also can be restricted.
[model utility content]
The purpose of this utility model is to overcome above-mentioned defective, and a kind of novel hydraulic buffer is provided, and adopts the design of single cylinder, and cylinder body adopts plastic material to be made, and is simple in structure, cheap for manufacturing cost.
Technical solutions of the utility model are as described below: a kind of novel hydraulic buffer comprises
Cylinder body, opening is arranged at the top of described cylinder body, and outer tube wall is provided with screw thread, and forms a chamber in inside;
Piston rod assembly comprises piston rod, and piston rod top is provided with the bump head, and underpart of the piston rod is provided with the oily passage of mistake that leads to the piston rod bottom from lever arm, and described underpart of the piston rod passes described cylinder body open top, places in the chamber of described cylinder body;
Check valve apparatus, place in the chamber of described cylinder body, and be provided with first passage and the second channel that leads to mutually, and the diameter of described second channel is greater than the diameter of described first passage, be provided with a spherical parts in the described second channel, and be provided with a pin;
Reseting spring device places the oil storage zone of described chamber, it is characterized in that,
Described cylinder body adopts plastic material to be made, and is single cylinder;
Described piston rod assembly, also comprise the guide duct device, card and more than one lubricating pad sheet and the more than one oil sealing crossed that are sleeved on the piston rod, wherein, the described lubricating pad sheet of crossing is sleeved on described underpart of the piston rod one end, be set with described guide duct device, described oil sealing and described card successively to described piston rod upper direction then, form an annular space between the tube wall of described guide duct device and described cylinder body, at described annular space, be provided with storage and press sponge;
Described check valve apparatus adopts plastic material to be made, and described check valve apparatus is connected with described piston rod, and described first passage and the corresponding connection of the oily passage of described mistake.
The residing oil storage of described reseting spring device zone is communicated with described annular space by communication apparatus.
The utility model according to said structure is characterized in that, described guide duct device comprises guide pipe and plastic tube that is sleeved on the guide pipe of a metallic material.
The utility model according to said structure is characterized in that, in the outside of described cylinder body, also is set with at least one flexible glue pad on the described piston rod.
The utility model according to said structure is characterized in that, described spherical parts is steel ball.
The utility model according to said structure is characterized in that, described communication apparatus is that at least one that arrange on the described cylinder body crossed oil groove.
The utility model according to said structure is characterized in that, described communication apparatus is described check valve apparatus, is sleeved on the lubricating pad sheet excessively of underpart of the piston rod, and the gap that forms between the described inboard wall of cylinder block.
The beneficial effects of the utility model are, because the design of employing single cylinder, and cylinder body adopts plastic material to be made, simple in structure, cheap for manufacturing cost, the thickness of the cylinder body of plastic material can increase, and has avoided metal cylinder body pipe thickness to be subjected to the defective of technical limitations.
[description of drawings]
Fig. 1 is sectional view of the present utility model.
Cylinder body in the drawings, 1; 2, piston rod; 3, check valve apparatus; 4, reseting spring device; 5, flexible glue pad; 6, buffer head; 10, oil storage zone; 21, cross oily passage; 22, card; 23, cross the lubricating pad sheet; 24, plastic tube; 25, oil sealing; 26, bump head; 27, sponge is pressed in storage; 28, guide pipe; 31, first passage; 32, second channel; 33, spherical parts; 34, pin.
[embodiment]
Below in conjunction with accompanying drawing and mode of execution the utility model is further described:
As shown in Figure 1, a kind of novel hydraulic buffer comprises
Piston rod assembly, comprise piston rod 2, piston rod 2 tops are provided with bump 26, and piston rod 2 bottoms are provided with the oily passage 21 of mistake that leads to piston rod 2 bottoms from lever arm, described cylinder body 1 open top is passed in described piston rod 2 bottoms, places in the chamber of described cylinder body 1;
Reseting spring device places the oil storage zone 10 of described chamber, it is characterized in that,
Described cylinder body 1 adopts plastic material to be made, and is single cylinder;
Described piston rod assembly, also comprise the guide duct device, card 22 and more than one lubricating pad sheet 23 and the more than one oil sealing 25 crossed that are sleeved on the piston rod 2, wherein, the described lubricating pad sheet 23 of crossing is sleeved on described piston rod 2 bottoms one end, be set with described guide duct device, described oil sealing 25 and described card 22 successively to described piston rod 2 upper direction then, form an annular space between the tube wall of described guide duct device and described cylinder body, at described annular space, be provided with storage and press sponge 27;
Described check valve apparatus 3 adopts plastic material to be made, and described check valve apparatus 3 is connected with described piston rod 2, and described first passage 31 and the oily passage 21 corresponding connections of described mistake.
The residing oil storage of described reseting spring device zone 10 is communicated with described annular space by communication apparatus.
Wherein, described guide duct device comprises guide pipe 28 and plastic tube 24 that is sleeved on the guide pipe of a metallic material.Described spherical parts 33 is steel ball.
In the outside of described cylinder body 1, also be set with flexible glue pad 5 on the described piston rod 2, be used for buffering collision of closed head 26.Wherein, a described flexible glue pad 5 is close to described bump head, and another described flexible glue pad 5 is close to described cylinder body 1 top.And also be enclosed with described buffer head 6 on the described bump 26.
In the present embodiment, described communication apparatus is that at least one that arrange on described cylinder body 1 inwall crossed oil groove.Described communication apparatus can also for described check valve apparatus, be sleeved on underpart of the piston rod cross lubricating pad sheet and the gap that forms between the described inboard wall of cylinder block.
In described oil storage zone 10, be filled with hydraulic oil.When described bump 26 was subjected to clashing into, described piston rod 2 was to the bottom motion of described cylinder body 1, and described guide duct device is kept the piston rod straight line motion, and described check valve apparatus 3 is at the described reseting spring device 4 of the promotion lower compression of described piston rod 2.Wherein, described spherical parts 33 is owing to hydraulic pressure is blocked described first passage 31, and the hydraulic oil in described oil storage zone 10 is under pressure, and enters into described storage pressure sponge 27 by the described oil groove of crossing.The described oil sealing 25 that is sleeved on the described piston rod 2 plays seal action, makes the hydraulic oil that enters in the described storage pressure sponge 27 can not leak out described cylinder body 1.When the stressed disappearance of described bump 26, described reseting spring device 4 resets because losing the pressure effect.In reseting procedure, described spherical parts 33 is opened first passage 31, described pin 34 blocks described spherical parts 33 and further moves, the hydraulic oil in the sponge 27 is pressed in described storage, return described oil storage zone 10 by the oily passage 21 of mistake, first passage 31, second channel 32 successively, part hydraulic oil turns back to described oil storage zone 10 by the described oil groove of crossing simultaneously.
Owing to adopt the design of single cylinder, and cylinder body adopts plastic material to be made, and simple in structure, cheap for manufacturing cost, the thickness of the cylinder body of plastic material can increase, and has avoided metal cylinder body pipe thickness to be subjected to the defective of technical limitations.
Though the present invention describes with reference to the above embodiments; it only is for explanation the present invention that but those of ordinary skill in the art can very clearly be recognized above embodiment fully; wherein can make variations and modifications and not break away from the present invention in a broad sense; so be not as limitation of the invention; as long as in connotation scope of the present invention, all will fall within the protection domain that the present invention requires above-described embodiment's variation.
Claims (6)
1. a novel hydraulic buffer comprises
Cylinder body, opening is arranged at the top of described cylinder body, and outer tube wall is provided with screw thread, and forms a chamber in inside;
Piston rod assembly comprises piston rod, and piston rod top is provided with the bump head, and underpart of the piston rod is provided with the oily passage of mistake that leads to the piston rod bottom from lever arm, and described underpart of the piston rod passes described cylinder body open top, places in the chamber of described cylinder body;
Check valve apparatus, place in the chamber of described cylinder body, and be provided with first passage and the second channel that leads to mutually, and the diameter of described second channel is greater than the diameter of described first passage, be provided with a spherical parts in the described second channel, and be provided with a pin;
Reseting spring device places the oil storage zone of described chamber, it is characterized in that,
Described cylinder body adopts plastic material to be made, and is single cylinder;
Described piston rod assembly, also comprise the guide duct device, card and more than one lubricating pad sheet and the more than one oil sealing crossed that are sleeved on the piston rod, wherein, the described lubricating pad sheet of crossing is sleeved on described underpart of the piston rod one end, be set with described guide duct device, described oil sealing and described card successively to described piston rod upper direction then, form an annular space between the tube wall of described guide duct device and described cylinder body, at described annular space, be provided with storage and press sponge;
Described check valve apparatus adopts plastic material to be made, and described check valve apparatus is connected with described piston rod, and described first passage and the corresponding connection of the oily passage of described mistake;
The residing oil storage of described reseting spring device zone is communicated with described annular space by communication apparatus.
2. novel hydraulic buffer according to claim 1 is characterized in that, described guide duct device comprises guide pipe and plastic tube that is sleeved on the guide pipe of a metallic material.
3. novel hydraulic buffer according to claim 1 is characterized in that, in the outside of described cylinder body, also is set with at least one flexible glue pad on the described piston rod.
4. novel hydraulic buffer according to claim 1 is characterized in that, described spherical parts is steel ball.
5. novel hydraulic buffer according to claim 1 is characterized in that, described communication apparatus is that at least one that arrange on the described cylinder body crossed oil groove.
6. novel hydraulic buffer according to claim 1 is characterized in that, described communication apparatus is described check valve apparatus, is sleeved on the lubricating pad sheet excessively of underpart of the piston rod, and the gap that forms between the described inboard wall of cylinder block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220619159 CN203051598U (en) | 2012-11-21 | 2012-11-21 | Novel hydraulic buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220619159 CN203051598U (en) | 2012-11-21 | 2012-11-21 | Novel hydraulic buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051598U true CN203051598U (en) | 2013-07-10 |
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ID=48734554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220619159 Expired - Fee Related CN203051598U (en) | 2012-11-21 | 2012-11-21 | Novel hydraulic buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051598U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864551A (en) * | 2016-06-17 | 2016-08-17 | 江苏扬光机械制造有限公司 | Circular metal high-temperature expansion joint |
| CN105905745A (en) * | 2016-06-20 | 2016-08-31 | 爱默生电梯有限公司 | Elevator buffer |
| CN105905747A (en) * | 2016-06-20 | 2016-08-31 | 爱默生电梯有限公司 | Elevator buffer |
| CN107061596A (en) * | 2016-12-29 | 2017-08-18 | 浙江科力车辆控制系统有限公司 | A kind of height adjusting valve in suspension |
| CN108100810A (en) * | 2017-12-19 | 2018-06-01 | 苏州市远极智能科技有限公司 | A kind of buffer of elevator |
| CN111055156A (en) * | 2019-12-27 | 2020-04-24 | 福建省正丰数控科技有限公司 | Axial multiple anti-collision device and method for high-speed milling machine |
-
2012
- 2012-11-21 CN CN 201220619159 patent/CN203051598U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864551A (en) * | 2016-06-17 | 2016-08-17 | 江苏扬光机械制造有限公司 | Circular metal high-temperature expansion joint |
| CN105905745A (en) * | 2016-06-20 | 2016-08-31 | 爱默生电梯有限公司 | Elevator buffer |
| CN105905747A (en) * | 2016-06-20 | 2016-08-31 | 爱默生电梯有限公司 | Elevator buffer |
| CN107061596A (en) * | 2016-12-29 | 2017-08-18 | 浙江科力车辆控制系统有限公司 | A kind of height adjusting valve in suspension |
| CN107061596B (en) * | 2016-12-29 | 2019-03-12 | 浙江科力车辆控制系统有限公司 | A kind of height adjusting valve in suspension |
| CN108100810A (en) * | 2017-12-19 | 2018-06-01 | 苏州市远极智能科技有限公司 | A kind of buffer of elevator |
| CN111055156A (en) * | 2019-12-27 | 2020-04-24 | 福建省正丰数控科技有限公司 | Axial multiple anti-collision device and method for high-speed milling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20141121 |
|
| EXPY | Termination of patent right or utility model |