CN203189596U - Controllable reset damping oil cylinder - Google Patents
Controllable reset damping oil cylinder Download PDFInfo
- Publication number
- CN203189596U CN203189596U CN 201320160795 CN201320160795U CN203189596U CN 203189596 U CN203189596 U CN 203189596U CN 201320160795 CN201320160795 CN 201320160795 CN 201320160795 U CN201320160795 U CN 201320160795U CN 203189596 U CN203189596 U CN 203189596U
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- oil cylinder
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- damping
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Abstract
The utility model discloses a controllable reset damping oil cylinder. The reset of the oil cylinder is achieved due to the fact that the oil cylinder is matched with an oil gas energy accumulator. The controllable reset damping oil cylinder comprises an outer cylinder barrel, a guide sleeve fixed at the front end of the outer cylinder barrel, an inner cylinder barrel matched with the inner wall of the guide sleeve in a sliding mode, a piston arranged at the inner end of the inner cylinder barrel and matched with the inner wall of the outer cylinder barrel in a sliding mode, and a cylinder bottom fixed at the rear end of the outer cylinder barrel. An inner oil cavity is formed between the cylinder bottom and the piston, a shock pipe which is matched with the inner hole of the piston in a sliding mode and is communicated with an energy accumulator pipeline is fixed in the inner hole of the cylinder bottom, the shock pipe is communicated with the inner hole of the inner cylinder barrel, and a plurality of throttling holes which are arrayed at intervals in the axial direction of the shock pipe are formed in the shock pipe. Due to the damping force produced by the throttling holes formed in the shock pipe during impact, the using requirements of a damping system on the condition of larger impact force are met, the braking force in the whole impact process can be kept in a constant numerical range, and the reliable reset of the damping oil cylinder is achieved by means of back pressure produced by the air cavity of the energy accumulator.
Description
Technical field
The utility model relates to technical field of hydraulic oil cylinder, especially a kind of controllable type for damped system damping oil cylinder that resets.
Background technique
Damping oil cylinder plays key effect in damped system, the quality of damping and the working condition of damping oil cylinder are closely bound up.After finishing damping process, need oil cylinder to reset well.General reset mode commonly used is to utilize the resetting means of Returnning spring and so on to realize, but the flexible restriction that is subjected to its working life of spring, after repeatedly using, just be difficult to guarantee that telescopic spring puts in place, thereby influence damping, moreover this class resetting means operated by rotary motion causes oil cylinder internal structure complexity in oil cylinder inside, rely on the damping oil cylinder of resetting means simultaneously, can only adapt to the damping that produces under the less impact force situation.
The model utility content
The technical problems to be solved in the utility model is: overcome the deficiency in the prior art, provide a kind of reset reliable, satisfy the used controllable type of damped system under the big impact force situation damping oil cylinder that resets.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of controllable type damping oil cylinder that resets, be connected cooperation with the oil gas accumulator and realize resetting of oil cylinder, comprise outer cylinder, be fixed on the guide pin bushing of outer cylinder front end, the inner cylinder tube that is slidingly matched with the guide pin bushing inwall, be arranged on the inner piston that is slidingly matched with the outer cylinder inwall of inner cylinder tube, and the cylinder bottom that is fixed on the outer cylinder rear end, oil pocket in forming between cylinder bottom and the piston, fixedly have in the described cylinder bottom endoporus be slidingly matched with piston inner hole and with the jarring pipe of accumulator pipeline connection, the jarring pipe communicates with the endoporus of inner cylinder tube, offer on the jarring pipe several along the jarring tubular axis to spaced throttle orifice.
For adding hydraulic oil for interior oil pocket, described piston circumferentially is evenly equipped with the one-way valve of at least three control hydraulic oil oil pocket in the inner cylinder tube endoporus single flow direction.
Specifically, described one-way valve comprises steel ball, offers the stair-stepping through hole of placing steel ball on the circumferential wall of piston, and it is stifled with the valve that is pressed on the returning spring to be provided with the returning spring that is pressed on the steel ball in the through hole.
Described jarring pipe outboard end is connected with pipe joint, is convenient to the connection of oil pipe; Described inner cylinder tube outer end is connected with cylinder cap; Described outer cylinder rear end embeds and is provided with the gland that is pressed on the cylinder bottom.
The beneficial effects of the utility model are: the utility model and accumulator are used, the damping force that produces when the bump by the throttle orifice offered on the jarring pipe, satisfied the damped system usage requirement under big impact force situation, throttle orifice can guarantee that the braking force in the whole knockout process remains in the constant number range, and the back pressure of utilizing the accumulator air cavity to produce, realize the reliable reset of this damping oil cylinder.
Description of drawings
Below in conjunction with drawings and embodiments the utility model is further specified.
Fig. 1 is structural representation of the present utility model.
Stifled 9. pipe joints, 10. cylinder caps, 11. glands of oil pocket 7. jarring pipes 70. throttle orifices 8. one-way valves 81. steel balls 82. returning springs 83. valves in 1. outer cylinders, 2. guide pin bushings, 3. inner cylinder tubes, 4. pistons, 5. cylinder bottoms 6. among the figure
Embodiment
By reference to the accompanying drawings the utility model is further described now.These accompanying drawings only illustrate basic structure of the present utility model in a schematic way, so it only shows the formation relevant with the utility model.
The damping oil cylinder that resets of a kind of controllable type as shown in Figure 1 is connected to cooperate with the oil gas accumulator and realizes resetting of oil cylinder.The inner cylinder tube 3 that comprise outer cylinder 1, be fixed on the guide pin bushing 2 of outer cylinder 1 front end, is slidingly matched with guide pin bushing 2 inwalls, be arranged on the inner piston 4 that is slidingly matched with outer cylinder 1 inwall of inner cylinder tube 3 and the cylinder bottoms 5 that are fixed on outer cylinder 1 rear end, be connected with cylinder cap 10 in inner cylinder tube 3 outer ends, outer cylinder 1 rear end embeds and is provided with the gland 11 that is pressed on the cylinder bottom 5.
In outer cylinder 1, form the interior oil pocket 6 that holds hydraulic oil between cylinder bottom 5 and the piston 4, a jarring pipe 7 is fixedly arranged in cylinder bottom 5 endoporus, jarring pipe 7 stretches to piston 4 directions and is slidingly matched with piston 4 endoporus, jarring pipe 7 outboard ends are connected with pipe joint 9, by the pipeline connection of pipe joint 9 realization jarring pipes 7 with accumulator, jarring pipe 7 communicates with the endoporus of inner cylinder tube 3, offers the throttle orifice 70 that several are arranged along jarring pipe 7 axially spaced-aparts on the jarring pipe 7.
Add hydraulic oil for giving in the interior oil pocket 6, described piston 4 circumferentially is evenly equipped with the one-way valve 8 of six control hydraulic oil oil pocket 6 in the inner cylinder tube 3 endoporus single flow direction, described one-way valve 8 comprises steel ball 81, offer the stair-stepping through hole of placing steel ball 81 on the piston 4 circumferential walls, be provided with the returning spring 82 that is pressed on the steel ball 81 and the valve stifled 83 that is pressed on the returning spring 82 in the through hole.
The utility model is formed the bump damped system as terminal damper and oil storage tank, accumulator, reset controlling system and valve actuation power system.Separator piston in the accumulator is separated into hydraulic pressure cavity and air cavity with accumulator inside.When quality car and damped system collision, default collision plane before the quality car on the end carriage directly contacts with the cushion pad of damped system front end, and being mounted in this controllable type, cushion pad resets on the leading truck mounting plate of damping oil cylinder front end, this moment, the controllable type damping oil cylinder that resets was clashed into and startup work, hydraulic oil in the interior oil pocket 6 is subjected to the extruding that piston 4 moves, throttle orifice 70 from jarring pipe 7 is clamp-oned generation damping in the jarring pipe 7, the hydraulic oil of clamp-oning in the jarring pipe 7 enters hydraulic pressure cavity in the accumulator by pipe joint 9 pipelines, and the air cavity in the extruding accumulator and produce high pressure.Stroke at the end, reset controlling system is pressed into hydraulic oil in the interior oil pocket 6 of damping oil cylinder by discharging the atmospheric pressure in the accumulator air cavity, realizes resetting of damping oil cylinder.
Above-mentioned mode of execution only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present utility model and is implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed in the protection domain of the present utility model.
Claims (6)
1. controllable type damping oil cylinder that resets, be connected cooperation with the oil gas accumulator and realize resetting of oil cylinder, comprise outer cylinder (1), be fixed on the guide pin bushing (2) of outer cylinder (1) front end, the inner cylinder tube (3) that is slidingly matched with guide pin bushing (2) inwall, be arranged on the inner piston (4) that is slidingly matched with outer cylinder (1) inwall of inner cylinder tube (3), and the cylinder bottom (5) that is fixed on outer cylinder (1) rear end, oil pocket (6) in forming between cylinder bottom (5) and the piston (4), it is characterized in that: fixedly have in described cylinder bottom (5) endoporus be slidingly matched with piston (4) endoporus and with the jarring pipe (7) of accumulator pipeline connection, jarring pipe (7) communicates with the endoporus of inner cylinder tube (3), offers the throttle orifice (70) that several are arranged along jarring pipe (7) axially spaced-apart on the jarring pipe (7).
2. the controllable type according to claim 1 damping oil cylinder that resets is characterized in that: described piston (4) circumferentially is evenly equipped with the one-way valve (8) of at least three control hydraulic oil oil pocket (6) in inner cylinder tube (3) the endoporus single flow direction.
3. the controllable type according to claim 2 damping oil cylinder that resets, it is characterized in that: described one-way valve (8) comprises steel ball (81), piston (4) circumferentially offers the stair-stepping through hole of placing steel ball (81) on the wall, is provided with the returning spring (82) that is pressed on the steel ball (81) in the through hole and the valve that is pressed on the returning spring (82) blocks up (83).
4. the controllable type according to claim 1 damping oil cylinder that resets, it is characterized in that: described jarring pipe (7) outboard end is connected with pipe joint (9).
5. the controllable type according to claim 1 damping oil cylinder that resets, it is characterized in that: described inner cylinder tube (3) outer end is connected with cylinder cap (10).
6. the controllable type according to claim 1 damping oil cylinder that resets, it is characterized in that: described outer cylinder (1) rear end embeds and is provided with the gland (11) that is pressed on the cylinder bottom (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320160795 CN203189596U (en) | 2013-04-02 | 2013-04-02 | Controllable reset damping oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320160795 CN203189596U (en) | 2013-04-02 | 2013-04-02 | Controllable reset damping oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189596U true CN203189596U (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320160795 Expired - Fee Related CN203189596U (en) | 2013-04-02 | 2013-04-02 | Controllable reset damping oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189596U (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883662A (en) * | 2014-04-15 | 2014-06-25 | 叶晓锋 | Hydraulic type vibration reducer |
| CN104895995A (en) * | 2015-04-20 | 2015-09-09 | 中国科学院长春光学精密机械与物理研究所 | Small unmanned plane undercarriage buffer |
| CN105673761A (en) * | 2015-08-13 | 2016-06-15 | 北京鸣天流体技术有限责任公司 | Hydraulic buffer with multi-stage damping throttles and hydraulic buffering method |
| CN106090108A (en) * | 2016-07-15 | 2016-11-09 | 北京航天发射技术研究所 | Two grades of spacing-type hydro-pneumatic springs |
| CN108860036A (en) * | 2018-07-26 | 2018-11-23 | 重庆交通职业学院 | A kind of automobile buffer beam adjustable damping formula hydraulic energy absorption mechanism |
| CN109386567A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385829A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385827A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385819A (en) * | 2017-08-04 | 2019-02-26 | 青岛海尔滚筒洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385820A (en) * | 2017-08-04 | 2019-02-26 | 青岛海尔滚筒洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385824A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385825A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385828A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385830A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385818A (en) * | 2017-08-04 | 2019-02-26 | 青岛海尔滚筒洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385821A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385826A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109957921A (en) * | 2017-12-26 | 2019-07-02 | 青岛胶南海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109957920A (en) * | 2017-12-26 | 2019-07-02 | 青岛胶南海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109957919A (en) * | 2017-12-26 | 2019-07-02 | 青岛胶南海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN110848309A (en) * | 2019-11-19 | 2020-02-28 | 李茂强 | Pressure-controllable oil buffer |
-
2013
- 2013-04-02 CN CN 201320160795 patent/CN203189596U/en not_active Expired - Fee Related
Cited By (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883662B (en) * | 2014-04-15 | 2016-05-11 | 叶骁锋 | Hydraulic vibration absorber |
| CN103883662A (en) * | 2014-04-15 | 2014-06-25 | 叶晓锋 | Hydraulic type vibration reducer |
| CN104895995A (en) * | 2015-04-20 | 2015-09-09 | 中国科学院长春光学精密机械与物理研究所 | Small unmanned plane undercarriage buffer |
| CN104895995B (en) * | 2015-04-20 | 2017-03-15 | 中国科学院长春光学精密机械与物理研究所 | SUAV undercarriage buffer |
| CN105673761A (en) * | 2015-08-13 | 2016-06-15 | 北京鸣天流体技术有限责任公司 | Hydraulic buffer with multi-stage damping throttles and hydraulic buffering method |
| CN106090108A (en) * | 2016-07-15 | 2016-11-09 | 北京航天发射技术研究所 | Two grades of spacing-type hydro-pneumatic springs |
| CN109385820A (en) * | 2017-08-04 | 2019-02-26 | 青岛海尔滚筒洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385819B (en) * | 2017-08-04 | 2021-12-03 | 青岛海尔洗涤电器有限公司 | Damper and laundry treating apparatus including the same |
| CN109385818B (en) * | 2017-08-04 | 2021-12-03 | 青岛海尔洗涤电器有限公司 | Damper and laundry treating apparatus including the same |
| CN109385818A (en) * | 2017-08-04 | 2019-02-26 | 青岛海尔滚筒洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385819A (en) * | 2017-08-04 | 2019-02-26 | 青岛海尔滚筒洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385829A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385830B (en) * | 2017-08-14 | 2021-12-03 | 青岛海尔洗衣机有限公司 | Damper and laundry treating apparatus including the same |
| CN109385825A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385828A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385830A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385827A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385821A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385826A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109385824B (en) * | 2017-08-14 | 2022-01-04 | 青岛胶州海尔洗涤电器有限公司 | Damper and laundry treating apparatus including the same |
| CN109386567B (en) * | 2017-08-14 | 2022-01-04 | 青岛胶州海尔洗涤电器有限公司 | Damper for laundry treating apparatus and laundry treating apparatus |
| CN109385828B (en) * | 2017-08-14 | 2022-01-04 | 青岛胶州海尔洗涤电器有限公司 | Damper for laundry treating apparatus and laundry treating apparatus |
| CN109385821B (en) * | 2017-08-14 | 2022-01-04 | 青岛胶州海尔洗涤电器有限公司 | Damper for laundry treating apparatus and laundry treating apparatus |
| CN109385827B (en) * | 2017-08-14 | 2022-01-04 | 青岛胶州海尔洗涤电器有限公司 | Damper for laundry treating apparatus and laundry treating apparatus |
| CN109385824A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109386567A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109957919B (en) * | 2017-12-26 | 2021-12-03 | 青岛胶南海尔洗衣机有限公司 | Damper and laundry treating apparatus including the same |
| CN109957920B (en) * | 2017-12-26 | 2021-11-09 | 青岛胶南海尔洗衣机有限公司 | Damper and laundry treating apparatus including the same |
| CN109957919A (en) * | 2017-12-26 | 2019-07-02 | 青岛胶南海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109957920A (en) * | 2017-12-26 | 2019-07-02 | 青岛胶南海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109957921A (en) * | 2017-12-26 | 2019-07-02 | 青岛胶南海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN108860036A (en) * | 2018-07-26 | 2018-11-23 | 重庆交通职业学院 | A kind of automobile buffer beam adjustable damping formula hydraulic energy absorption mechanism |
| CN108860036B (en) * | 2018-07-26 | 2023-08-29 | 重庆交通职业学院 | Adjustable damping type hydraulic energy absorption mechanism for automobile anti-collision beam |
| CN110848309A (en) * | 2019-11-19 | 2020-02-28 | 李茂强 | Pressure-controllable oil buffer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU CHANGLI TECHNOLOGY DEVELOPMENT CO., LTD. Free format text: FORMER NAME: JIANGSU CHANGLI HYDRAULIC CYLINDER CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 213118 No. 111 Furong Road, Hengshan Town, Wujin District, Jiangsu, Changzhou Patentee after: JIANGSU CHANGLI TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 213118 No. 111 Furong Road, Hengshan Town, Wujin District, Jiangsu, Changzhou Patentee before: JIANGSU CHANGLI HYDRAULIC CYLINDER Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 |
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| CF01 | Termination of patent right due to non-payment of annual fee |