CN204140747U - The hydraulic buffer that a kind of pretightening force is adjustable - Google Patents
The hydraulic buffer that a kind of pretightening force is adjustable Download PDFInfo
- Publication number
- CN204140747U CN204140747U CN201420528871.6U CN201420528871U CN204140747U CN 204140747 U CN204140747 U CN 204140747U CN 201420528871 U CN201420528871 U CN 201420528871U CN 204140747 U CN204140747 U CN 204140747U
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- CN
- China
- Prior art keywords
- pretightening force
- adjusting
- cylinder pressure
- adjustable
- bonnet
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Abstract
The utility model discloses the hydraulic buffer that a kind of pretightening force is adjustable, aim to provide a kind of adaptability extensively and the adjustable hydraulic buffer of pretightening force, comprise outer cylinder pressure, interior cylinder pressure, pressure accumulater, bearing, bonnet, the piston rod being placed in interior cylinder pressure inner spring and piston and being connected on piston, described interior cylinder pressure is provided with several oilholes, also include pretightening force adjusting part, described interior cylinder pressure comprises cylinder body and cylinder cap, described pretightening force adjusting part comprises the adjusting knob be located on bonnet, the adjusting nut being placed in the adjusting bolt in bonnet and being located in cylinder body, described adjusting bolt one end is fixed on adjusting knob, the other end is threaded with described adjusting nut, described adjusting nut is between cylinder cap and spring, described adjusting nut is provided with limiting through hole, described limiting through hole Spielpassung limited location bar, described position-limited lever is fixed on cylinder cap.
Description
Technical field
The utility model relates to a kind of vibration damper technical field, more particularly: it relates to the adjustable hydraulic buffer of a kind of pretightening force.
Background technique
Hydraulic buffer a kind of impact kinetic energy is converted into hydraulic oil heat energy, realizes object and linearly to slow down the final a kind of hydraulic pressure installation steadily stopped.
The buffer now used can only absorb fixing energy, when energy to be absorbed changes, corresponding buffer must be changed, and some equipment needs according to the different product of processing and produces different impact forces, this fixed buffer cannot adapt to the change of equipment processing strength and the change of impact force that causes, adaptability is low, therefore needs to be improved.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of adaptability extensive and the hydraulic buffer that pretightening force is adjustable.
For achieving the above object, the utility model provides following technological scheme: the hydraulic buffer that a kind of pretightening force is adjustable, comprise outer cylinder pressure, interior cylinder pressure, pressure accumulater, bearing, bonnet, the piston rod being placed in interior cylinder pressure inner spring and piston and being connected on piston, described interior cylinder pressure is provided with several oilholes, also include pretightening force adjusting part, described interior cylinder pressure comprises cylinder body and cylinder cap, described pretightening force adjusting part comprises the adjusting knob be located on bonnet, the adjusting nut being placed in the adjusting bolt in bonnet and being located in cylinder body, described adjusting bolt one end is fixed on adjusting knob, the other end is threaded with described adjusting nut, described adjusting nut is between cylinder cap and spring, described adjusting nut is provided with limiting through hole, described limiting through hole Spielpassung limited location bar, described position-limited lever is fixed on cylinder cap.
By adopting technique scheme, this hydraulic buffer achieves the adjustable of pretightening force by improving internal structure, the adjustable adjusting knob by pretightening force adjusting part of pretightening force, adjusting bolt and adjusting nut realize, because adjusting nut is provided with the setting of limiting through hole and limiting through hole Spielpassung limited location bar, Spielpassung guarantees the stable of hydraulic pressure in interior cylinder pressure, when rotation of adjustment knob drives the rotation of adjusting bolt, only can move at the axial direction of position-limited lever owing to limiting so adjusting nut to adjusting nut rotation, realize adjusting nut to spring or compression, or recover, and then realize initial tension of spring adjustment, so just can adapt to the change of equipment processing strength and the change of impact force that causes, adaptability is extensive, when operating force quantitative change is large, regulate pretightening force adjusting part Compress Spring, on the contrary, then adapt to little processing strength, this hydraulic buffer realize initial tension of spring adjustable so that improve adaptability.
The utility model is set to further: described bonnet comprises lid and gland, is configured with Seal cage between described lid and gland, and described Seal cage is built in O-ring seals.
By adopting technique scheme, bonnet being divided into lid and gland two-part, facilitating the assembling of adjusting bolt, the setting of O-ring seals avoids oil to flow out between lid and adjusting bolt, affects the working life of hydraulic buffer.
The utility model is set to further: be provided with restraining groove in described lid, and described adjusting bolt includes limited part, and described limited part is provided with the limiting stopper suitable with restraining groove, and described limited part is placed in lid.
By adopting technique scheme, spacing being coupled in restraining groove by limiting stopper of adjusting bolt is realized, if lack the setting spacing to adjusting bolt, so just cannot realize the movement of adjusting nut, and then does not reach and regulate initial tension of spring.
The utility model is set to further: the opposite side of described piston rod opposing pistons is provided with impact head, in described impact head, cover has noise reduction cover, described impact head is provided with draw-in groove, described noise reduction puts and is provided with the fixture block suitable with described draw-in groove, and described noise reduction cover is fixed in impact head with coordinating of draw-in groove by fixture block.
By adopting technique scheme, impact head adds the lifting surface area of shock, impact head is overlapped the effect that buffering, noise reduction are played in the setting having noise reduction to overlap, avoid the sound occurs, the matching structure design of impact head and noise reduction cover is guaranteed that noise reduction cover is stable and is coupled in impact head, avoids coming off and then affecting working life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the adjustable hydraulic buffer of a kind of pretightening force of the utility model;
Fig. 2 is the partial enlarged drawing of A in the utility model Fig. 1.
In figure: 1, outer cylinder pressure; 2, interior cylinder pressure; 21, oilhole; 22, cylinder body; 23, cylinder cap; 3, pressure accumulater; 4, bearing; 5, bonnet; 51, lid; 511, restraining groove; 52, gland; 53, Seal cage; 531, O-ring seals; 6, spring; 7, piston; 8, piston rod; 81, impact head; 811, draw-in groove; 82, noise reduction cover; 821, fixture block; 9, pretightening force adjusting part; 91, adjusting knob; 92, adjusting bolt; 921, limited part; 9211, limiting stopper; 93, adjusting nut; 931, limiting through hole; 932, position-limited lever.
Embodiment
Shown in seeing figures.1.and.2, the hydraulic buffer that a kind of pretightening force of the present embodiment is adjustable, comprise outer cylinder pressure 1, interior cylinder pressure 2, pressure accumulater 3, bearing 4, bonnet 5, the piston rod 8 being placed in interior cylinder pressure 2 inner spring 6 and piston 7 and being connected on piston 7, described interior cylinder pressure 2 is provided with several oilholes 21, also include pretightening force adjusting part 9, described interior cylinder pressure 2 comprises cylinder body 22 and cylinder cap 23, described pretightening force adjusting part 9 comprises the adjusting knob 91 be located on bonnet 5, the adjusting nut 93 being placed in the adjusting bolt 92 in bonnet 5 and being located in cylinder body 22, described adjusting bolt 92 one end is fixed on adjusting knob 91, the other end is threaded with described adjusting nut 93, described adjusting nut 93 is between cylinder cap 23 and spring 6, described adjusting nut 93 is provided with limiting through hole 931, described limiting through hole 931 Spielpassung limited location bar 932, described position-limited lever 932 is fixed on cylinder cap 23.
This hydraulic buffer achieves the adjustable of pretightening force by improving internal structure, the adjustable adjusting knob 91 by pretightening force adjusting part 9 of pretightening force, adjusting bolt 92 and adjusting nut 93 realize, because adjusting nut 93 is provided with the setting of limiting through hole 931 and limiting through hole 931 Spielpassung limited location bar 932, Spielpassung guarantees the stable of hydraulic pressure in interior cylinder pressure 2, when rotation of adjustment knob 91 drives the rotation of adjusting bolt 92, move at the axial direction of position-limited lever 932 owing to limiting so adjusting nut 93 meetings to adjusting nut 93 rotation, realize adjusting nut 93 pairs of springs 6 or compression, or recover, and then realize the adjustment of spring 6 pretightening force, so just can adapt to the change of equipment processing strength and the change of impact force that causes, adaptability is extensive, when operating force quantitative change is large, regulate pretightening force adjusting part 9 Compress Spring 6, on the contrary, then adapt to little processing strength, this hydraulic buffer realize spring 6 pretightening force adjustable so that improve adaptability, wherein pressure accumulater 3 is here pressure accumulation sponge, be arranged in strip on oilhole, and be clipped between interior cylinder pressure 2 and outer cylinder pressure 1.
Described bonnet 5 comprises lid 51 and gland 52, is configured with Seal cage 53 between described lid 51 and gland 52, and described Seal cage 53 is built in O-ring seals 531.
Bonnet 5 is divided into lid 51 and gland 52 two-part, facilitates the assembling of adjusting bolt 92, the setting of O-ring seals 531 avoids oil to flow out between lid 51 and adjusting bolt 92, affects the working life of hydraulic buffer.
Be provided with restraining groove 511 in described lid 51, described adjusting bolt 92 includes limited part 921, and described limited part 921 is provided with the limiting stopper 9211 suitable with restraining groove 511, and described limited part 921 is placed in lid 51.
Spacing being coupled in restraining groove 511 by limiting stopper 9211 of adjusting bolt 92 is realized, if lack the setting spacing to adjusting bolt 92, so just cannot realize the movement of adjusting nut 93, and then does not reach and regulate spring 6 pretightening force.
The opposite side of described piston rod 8 opposing pistons 7 is provided with impact head 81, in described impact head 81, cover has noise reduction to overlap 82, described impact head 81 is provided with draw-in groove 811, described noise reduction cover 82 is provided with the fixture block 821 suitable with described draw-in groove 811, and described noise reduction cover 82 is fixed in impact head 81 with coordinating of draw-in groove 811 by fixture block 821.
Impact head 81 adds the lifting surface area of shock, the effect of buffering, noise reduction is played in the setting that in impact head 81, cover has noise reduction to overlap 82, avoid the sound occurs, the matching structure design of impact head 81 and noise reduction cover 82 guarantees that 82 stable being coupled in impact head 81 are overlapped in noise reduction, avoids coming off and then affecting working life.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. the hydraulic buffer that a pretightening force is adjustable, comprise outer cylinder pressure, interior cylinder pressure, pressure accumulater, bearing, bonnet, the piston rod being placed in interior cylinder pressure inner spring and piston and being connected on piston, described interior cylinder pressure is provided with several oilholes, it is characterized in that: also include pretightening force adjusting part, described interior cylinder pressure comprises cylinder body and cylinder cap, described pretightening force adjusting part comprises the adjusting knob be located on bonnet, the adjusting nut being placed in the adjusting bolt in bonnet and being located in cylinder body, described adjusting bolt one end is fixed on adjusting knob, the other end is threaded with described adjusting nut, described adjusting nut is between cylinder cap and spring, described adjusting nut is provided with limiting through hole, described limiting through hole Spielpassung limited location bar, described position-limited lever is fixed on cylinder cap.
2. the hydraulic buffer that a kind of pretightening force according to claim 1 is adjustable, is characterized in that: described bonnet comprises lid and gland, is configured with Seal cage between described lid and gland, and described Seal cage is built in O-ring seals.
3. the hydraulic buffer that a kind of pretightening force according to claim 2 is adjustable, it is characterized in that: in described lid, be provided with restraining groove, described adjusting bolt includes limited part, and described limited part is provided with the limiting stopper suitable with restraining groove, and described limited part is placed in lid.
4. the hydraulic buffer that a kind of pretightening force according to claim 1 or 2 or 3 is adjustable, it is characterized in that: the opposite side of described piston rod opposing pistons is provided with impact head, in described impact head, cover has noise reduction cover, described impact head is provided with draw-in groove, described noise reduction puts and is provided with the fixture block suitable with described draw-in groove, and described noise reduction cover is fixed in impact head with coordinating of draw-in groove by fixture block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420528871.6U CN204140747U (en) | 2014-02-21 | 2014-09-15 | The hydraulic buffer that a kind of pretightening force is adjustable |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420075310.5 | 2014-02-21 | ||
| CN201420075310 | 2014-02-21 | ||
| CN201420528871.6U CN204140747U (en) | 2014-02-21 | 2014-09-15 | The hydraulic buffer that a kind of pretightening force is adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204140747U true CN204140747U (en) | 2015-02-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420528871.6U Expired - Fee Related CN204140747U (en) | 2014-02-21 | 2014-09-15 | The hydraulic buffer that a kind of pretightening force is adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204140747U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989762A (en) * | 2015-07-24 | 2015-10-21 | 苏州市海神达机械科技有限公司 | Damping buffer device |
| CN105818977A (en) * | 2016-03-29 | 2016-08-03 | 马骏 | Novel ultrasonic detection unmanned aerial vehicle based on Internet of Things |
| CN106726339A (en) * | 2015-11-20 | 2017-05-31 | 沈阳新松机器人自动化股份有限公司 | A kind of spring reverse motion and the leg training device using the spring reverse motion |
| CN107228151A (en) * | 2017-07-05 | 2017-10-03 | 无锡比德希减震阻尼技术有限公司 | A kind of unitary adjustable buffer |
| CN107747607A (en) * | 2017-11-17 | 2018-03-02 | 苏州西捷克缓冲科技有限公司 | Oil buffer for direct-current high-voltage switch |
| CN110469608A (en) * | 2019-06-27 | 2019-11-19 | 湛江芸海能源科技有限公司 | A kind of adjustable springs device for oscillator system |
-
2014
- 2014-09-15 CN CN201420528871.6U patent/CN204140747U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989762A (en) * | 2015-07-24 | 2015-10-21 | 苏州市海神达机械科技有限公司 | Damping buffer device |
| CN106726339A (en) * | 2015-11-20 | 2017-05-31 | 沈阳新松机器人自动化股份有限公司 | A kind of spring reverse motion and the leg training device using the spring reverse motion |
| CN105818977A (en) * | 2016-03-29 | 2016-08-03 | 马骏 | Novel ultrasonic detection unmanned aerial vehicle based on Internet of Things |
| CN105818977B (en) * | 2016-03-29 | 2018-10-26 | 泉州台商投资区华林设计有限公司 | Ultrasonic detection unmanned aerial vehicle based on Internet of things |
| CN107228151A (en) * | 2017-07-05 | 2017-10-03 | 无锡比德希减震阻尼技术有限公司 | A kind of unitary adjustable buffer |
| CN107747607A (en) * | 2017-11-17 | 2018-03-02 | 苏州西捷克缓冲科技有限公司 | Oil buffer for direct-current high-voltage switch |
| CN110469608A (en) * | 2019-06-27 | 2019-11-19 | 湛江芸海能源科技有限公司 | A kind of adjustable springs device for oscillator system |
| CN110469608B (en) * | 2019-06-27 | 2021-04-20 | 湛江芸海能源科技有限公司 | Adjustable spring device for vibrator system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20160915 |