CN204200738U - A kind of cylinder with damping mechanism - Google Patents
A kind of cylinder with damping mechanism Download PDFInfo
- Publication number
- CN204200738U CN204200738U CN201420535929.XU CN201420535929U CN204200738U CN 204200738 U CN204200738 U CN 204200738U CN 201420535929 U CN201420535929 U CN 201420535929U CN 204200738 U CN204200738 U CN 204200738U
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- China
- Prior art keywords
- axle center
- bonnet
- piston
- oil
- hydraulic axis
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of cylinder with damping mechanism, comprise protecgulum, cylinder body and bonnet, protecgulum, cylinder body and bonnet form the cavity of sealing, piston rod is provided with in cylinder body, the outer wall of piston rod is arranged with piston, it is characterized in that: also include damping mechanism, damping mechanism comprises housing, axle center, spring and hydraulic axis, the upper end of this housing is fixedly connected with bonnet, hydraulic axis is positioned at housing, hydraulic axis hollow is arranged, this hollow space forms buffer cavity, spring is positioned at this buffer cavity, the lower end in axle center is connected with the second piston, this second piston is connected with the side walls of buffer cavity, the upper end in axle center is positioned at cavity through bonnet, axle center and bonnet are slidably connected, the upper end in axle center is corresponding with piston rod to be arranged, the utility model is: the piston that resilience is returned by this axle center utilizes the spring-back force of spring to achieve buffering, ensure that the situation that piston that resilience is returned can not clash into bonnet occurs, ensure that the working life of piston.
Description
Technical field
The utility model relates to pneumatic execution field, refers to a kind of cylinder with damping mechanism especially.
Background technique
Cylinder is the pneumatic apparatus in a kind of Pneumatic Transmission, the pressure energy of pressurized gas being converted to mechanical energy.Existing cylinder comprises protecgulum, cylinder body and bonnet, and protecgulum and bonnet are connected to the two ends of cylinder body, in cylinder body, be provided with piston rod, the outer wall of piston rod is arranged with piston, one end of this piston rod passes protecgulum and arranges, and protecgulum is provided with suction port, bonnet is provided with air outlet; This piston structure is in movement process, and the dynamics of Piston rebound is comparatively large, when clashing into bonnet, very easily damages piston, causes piston lower for working life.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is that providing a kind of can make the slow resilience of piston and the cylinder with damping mechanism of not fragile piston.
The technical solution of the utility model is achieved in that a kind of cylinder with damping mechanism, comprise protecgulum, cylinder body and bonnet, protecgulum and bonnet are connected to the two ends of cylinder body, protecgulum, cylinder body and bonnet form the cavity of sealing, piston rod is provided with in cylinder body, the outer wall of piston rod is arranged with piston, one end of this piston rod passes protecgulum and arranges, protecgulum is provided with suction port, bonnet is provided with air outlet, it is characterized in that: also include damping mechanism, this damping mechanism comprises housing, axle center, spring and hydraulic axis, the upper end of this housing is fixedly connected with bonnet, described hydraulic axis is positioned at housing, this hydraulic axis hollow is arranged, this hollow space forms buffer cavity, spring is positioned at this buffer cavity, the lower end in described axle center is connected with the second piston, this second piston is connected with the side walls of buffer cavity, the upper end in axle center is positioned at cavity through bonnet, this axle center and bonnet are slidably connected, and be provided with seal ring between axle center and bonnet, and the upper end in axle center is corresponding with piston rod arranges, the upper end in axle center is also provided with flexible cushion pad.
By adopting technique scheme, the piston that resilience is returned effectively utilizes the spring-back force of spring to achieve buffering by this axle center, ensure that the situation that piston that resilience is returned can not clash into bonnet occurs, ensure that the working life of piston, and the upper end in axle center is provided with cushion pad, play buffer function between piston and axle center, achieve double-deck buffering.
The utility model is set to further: be provided with hydraulic oil between described hydraulic axis and housing, and the upper end of hydraulic axis is provided with spill port, and the sidewall of hydraulic axis is provided with oil drainage hole.
By adopting technique scheme, increasing the function of hydraulic pressure, making the second piston in movement process, have the double buffering function of spring and oil pressure in hydraulic axis, cushioning effect is better, more stable.
The utility model is set to further: the bottom of described housing is provided with oil injecting part, this oil injecting part is provided with the oiling passage of threeway, drainback passage and oil hole, this oil hole communicates with the buffer cavity of hydraulic axis, check valve is provided with in this oil hole, and drainback passage is arranged on the sidewall of oil injecting part, this drainback passage communicates with the gap between hydraulic axis and housing, and this oiling passage place is detachably provided with plug.
By adopting technique scheme, oil injecting part achieves to be changed the hydraulic oil in hydraulic axis, and the check valve at oil hole place effectively ensure that, the oil in hydraulic axis can only be discharged by oil drain out, and hydraulic oil is slowly got rid of, and ensure that the cushioning effect of hydraulic oil.
The utility model is set to further: described housing upper is provided with closed Seal cage, and axle center is arranged through Seal cage, and the outer wall in axle center is provided with oil sealing, and the outer wall of this oil sealing is provided with dirt-proof boot.
By adopting technique scheme, ensure that the sealing effect at axle center place, preventing the dust at axle center place from entering in cylinder, the situation making dust damage piston occurs.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model embodiment topology layout sectional view;
Fig. 2 is damping mechanism structural representation in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Fig. 1-Fig. 2, the utility model discloses a kind of cylinder with damping mechanism, comprise protecgulum 1, cylinder body 2 and bonnet 3, protecgulum 1 and bonnet 3 are connected to the two ends of cylinder body 2, protecgulum 1, cylinder body 2 and bonnet 3 form the cavity of sealing, piston rod is provided with in cylinder body 3, the outer wall of piston rod is arranged with piston 5, one end of this piston rod passes protecgulum 1 and arranges, protecgulum 1 is provided with suction port, bonnet is provided with air outlet, in the utility model specific embodiment, also include damping mechanism 4, this damping mechanism 4 comprises housing 6, axle center 7, spring 13 and hydraulic axis 12, the upper end of this housing 6 is fixedly connected with bonnet 3, described hydraulic axis 12 is positioned at housing 6, this hydraulic axis 12 hollow is arranged, this hollow space forms buffer cavity, spring 13 is positioned at this buffer cavity, the lower end in described axle center 7 is connected with the second piston 14, this second piston 14 is connected with the side walls of buffer cavity, the upper end in axle center 7 is positioned at cavity through bonnet 3, this axle center 7 is slidably connected with bonnet 3, and be provided with seal ring between axle center 7 and bonnet 3, and the upper end in axle center 7 is corresponding with piston rod arranges, the upper end in axle center 7 is also provided with flexible cushion pad 8.
By adopting technique scheme, the piston that resilience is returned effectively utilizes the spring-back force of spring to achieve buffering by this axle center, ensure that the situation that piston that resilience is returned can not clash into bonnet occurs, ensure that the working life of piston, and the upper end in axle center is provided with cushion pad, play buffer function between piston and axle center, achieve double-deck buffering.
In the utility model specific embodiment, be provided with hydraulic oil between described hydraulic axis 12 and housing 6, and the upper end of hydraulic axis 12 is provided with spill port 121, the sidewall of hydraulic axis 12 is provided with oil drainage hole 122.
By adopting technique scheme, increasing the function of hydraulic pressure, making the second piston in movement process, have the double buffering function of spring and oil pressure in hydraulic axis, cushioning effect is better, more stable.
In the utility model specific embodiment, the bottom of described housing 6 is provided with oil injecting part 16, this oil injecting part 16 is provided with the oiling passage 163 of threeway, drainback passage 161 and oil hole 162, this oil hole 162 communicates with the buffer cavity of hydraulic axis 12, check valve 15 is provided with in this oil hole 162, and drainback passage 161 is arranged on the sidewall of oil injecting part 16, this drainback passage 161 communicates with the gap between hydraulic axis 12 and housing 6, and this oiling passage 163 place is detachably provided with plug 17.
By adopting technique scheme, oil injecting part achieves to be changed the hydraulic oil in hydraulic axis, and the check valve at oil hole place effectively ensure that, the oil in hydraulic axis can only be discharged by oil drain out, and hydraulic oil is slowly got rid of, and ensure that the cushioning effect of hydraulic oil.
In the utility model specific embodiment, described housing 6 top is provided with closed Seal cage, and axle center 7 is arranged through Seal cage, and the outer wall in axle center 7 is provided with oil sealing 9, and the outer wall of this oil sealing 9 is provided with dirt-proof boot 11.
By adopting technique scheme, ensure that the sealing effect at axle center place, preventing the dust at axle center place from entering in cylinder, the situation making dust damage piston occurs.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. one kind has the cylinder of damping mechanism, comprise protecgulum, cylinder body and bonnet, protecgulum and bonnet are connected to the two ends of cylinder body, protecgulum, cylinder body and bonnet form the cavity of sealing, piston rod is provided with in cylinder body, the outer wall of piston rod is arranged with piston, one end of this piston rod passes protecgulum and arranges, protecgulum is provided with suction port, bonnet is provided with air outlet, it is characterized in that: also include damping mechanism, this damping mechanism comprises housing, axle center, spring and hydraulic axis, the upper end of this housing is fixedly connected with bonnet, described hydraulic axis is positioned at housing, this hydraulic axis hollow is arranged, this hollow space forms buffer cavity, spring is positioned at this buffer cavity, the lower end in described axle center is connected with the second piston, this second piston is connected with the side walls of buffer cavity, the upper end in axle center is positioned at cavity through bonnet, this axle center and bonnet are slidably connected, and be provided with seal ring between axle center and bonnet, and the upper end in axle center is corresponding with piston rod arranges, the upper end in axle center is also provided with flexible cushion pad.
2. the cylinder with damping mechanism according to claim 1, it is characterized in that: be provided with hydraulic oil between described hydraulic axis and housing, and the upper end of hydraulic axis is provided with spill port, the sidewall of hydraulic axis is provided with oil drainage hole.
3. the cylinder with damping mechanism according to claim 2, it is characterized in that: the bottom of described housing is provided with oil injecting part, this oil injecting part is provided with the oiling passage of threeway, drainback passage and oil hole, this oil hole communicates with the buffer cavity of hydraulic axis, check valve is provided with in this oil hole, and drainback passage is arranged on the sidewall of oil injecting part, this drainback passage communicates with the gap between hydraulic axis and housing, and this oiling passage place is detachably provided with plug.
4. the cylinder with damping mechanism according to claim 1 or 2 or 3, is characterized in that: described housing upper is provided with closed Seal cage, and axle center is arranged through Seal cage, and the outer wall in axle center is provided with oil sealing, and the outer wall of this oil sealing is provided with dirt-proof boot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420535929.XU CN204200738U (en) | 2014-09-18 | 2014-09-18 | A kind of cylinder with damping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420535929.XU CN204200738U (en) | 2014-09-18 | 2014-09-18 | A kind of cylinder with damping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204200738U true CN204200738U (en) | 2015-03-11 |
Family
ID=52658702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420535929.XU Expired - Fee Related CN204200738U (en) | 2014-09-18 | 2014-09-18 | A kind of cylinder with damping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204200738U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697453A (en) * | 2016-04-22 | 2016-06-22 | 浙江工业大学 | Air cylinder with liquid buffer device |
| CN109114069A (en) * | 2018-10-30 | 2019-01-01 | 济南夫驰科技有限公司 | A kind of built-in spring-compressed cushion cylinder |
-
2014
- 2014-09-18 CN CN201420535929.XU patent/CN204200738U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697453A (en) * | 2016-04-22 | 2016-06-22 | 浙江工业大学 | Air cylinder with liquid buffer device |
| CN109114069A (en) * | 2018-10-30 | 2019-01-01 | 济南夫驰科技有限公司 | A kind of built-in spring-compressed cushion cylinder |
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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: 20150311 Termination date: 20180918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |