CN208295025U - A kind of novel buffer - Google Patents
A kind of novel buffer Download PDFInfo
- Publication number
- CN208295025U CN208295025U CN201820551810.XU CN201820551810U CN208295025U CN 208295025 U CN208295025 U CN 208295025U CN 201820551810 U CN201820551810 U CN 201820551810U CN 208295025 U CN208295025 U CN 208295025U
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- China
- Prior art keywords
- cavity
- piston
- cylinder
- end socket
- multisection type
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Abstract
The utility model discloses a kind of novel buffers, belong to pressure-reducing cushioning equipment technology field, including cylinder, end socket and piston mechanism, cylinder is formula structure closed at one end open at one end, the open end fixing seal of cylinder is provided with end socket, cylinder is internally provided with multisection type cavity, multisection type cavity is made of the buffer cavity and limit cavity being arranged from the open end of cylinder to closed end, one end of piston mechanism is through end socket and extends to multisection type cavity inside, cooperation is slidingly sealed between piston mechanism and end socket, piston mechanism sliding is protruded into when limiting cavity inside and limit cavity inner wall clearance fit.The buffer of the utility model uses the multisection type cavity being made of buffer cavity and limit cavity to load the high viscosity elastic fluid as buffer medium, and cushion effect is constant, and buffering is high-efficient, and without spring structure reset, movable part is few, stabilization reliable for operation.
Description
Technical field
The utility model belongs to pressure-reducing cushioning equipment technology field, in particular to a kind of novel buffer technical field.
Background technique
With the intelligence and high speed development of automation equipment and all kinds of Large-Scale Equipments, in order to anti-in its operational process
Only equipment and instrument damage caused by all kinds of hard collisions, it is necessary to which buffering and safeguard protection are carried out using buffer.
In the prior art, automation and engineering machinery field use most buffer units for hydraulic bjuffer, with
Lower deficiency: (1) relying on spring reset after the completion of hydraulic bjuffer punching, fatigue easily occurs under high frequency use state for spring to shadow
Ring hydraulic bjuffer cushion performance；(2) buffer medium used due to hydraulic bjuffer is hydraulic oil, to sealing performance requirement
It is high, during actual use to be easy to produce leakage and decline or lose so as to cause cushion performance, and pollute work on the spot environment.
Utility model content
The utility model is to overcome problems of the prior art, provides a kind of novel buffer, using empty by buffering
The multisection type cavity of chamber and limit cavity composition loads the high viscosity elastic fluid as buffer medium, and cushion effect is constant, buffering
High-efficient, without spring structure reset, movable part is few, stabilization reliable for operation.
The utility model is to solve above-mentioned problems of the prior art, is adopted the following technical scheme that.
A kind of novel buffer, including cylinder, end socket and piston mechanism, the cylinder are formula knot closed at one end open at one end
Structure, the open end fixing seal of the cylinder are provided with the end socket, and the cylinder is internally provided with multisection type cavity, described
Multisection type cavity is made of the buffer cavity and limit cavity being arranged from the open end of cylinder to closed end, the piston mechanism
One end is through the end socket and extends to multisection type cavity inside, and cooperation is slidingly sealed between the piston mechanism and end socket, described
Piston mechanism sliding is protruded into when limiting cavity inside and limit cavity inner wall clearance fit.
Further, the multisection type cavity further includes being set to buffer cavity close to the localization cavity of end socket one end.
Further, the buffer cavity is taper or dolioform.
Further, the inner barrel interference fit is equipped with buffering inner sleeve, and the multisection type cavity is set to buffering
The inside of inner sleeve.
Further, fixation is threadedly coupled between the end socket and cylinder, the end socket is with cylinder by being respectively arranged at
Multidiameter neck, ladder hole face and the first seal sealing being pressed between multidiameter neck and ladder hole face of the two contact surface.
Further, between the piston mechanism and end socket by be pressed abd fixed on end socket and multisection type cavity end face it
Between piston seal component sealing, the piston seal component include the locking interstage sleeve being successively fixedly installed, sealing interstage sleeve, spring
The second seal being fixedly installed on the outside of accumulation of energy sealing element, sealing guide sleeve, and sealing guide sleeve.
Further, the piston seal component sealing further includes being set to sealing guide sleeve close to the dust-proof of end socket side
Circle.
Further, described to seal interstage sleeve and seal the copper being provided on the inside of guide sleeve for guide support piston mechanism
Alloy self-lubricating bearing.
Further, the piston mechanism includes piston rod, piston and piston head, is slided between the piston rod and end socket
Sealing cooperation, the threaded one end that the piston rod is located at multisection type cavity inside are connected with the piston, and the piston sliding is stretched
With limit cavity inner wall clearance fit when entering to limit cavity inside, the threaded one end that the piston rod is located at outside cylinder is connected with
The piston head.
Compared with the existing technology, the utility model achieve it is following the utility model has the advantages that
1, the buffer of the utility model loads conduct using the multisection type cavity being made of buffer cavity and limit cavity
The high viscosity elastic fluid of buffer medium, when the piston mechanism of buffer is by external impacts, piston mechanism enters the buffering of leading portion
Cavity, buffer cavity are mentioned for guaranteeing to keep cushion effect constant with the variation of impact velocity in piston mechanism operational process
High buffering efficiency；And piston mechanism is when entering the limit cavity of back segment, the gap very little between piston mechanism and limit cavity, it is living
It fills in mechanism compression high viscosity elastic fluid and generates biggish damping force, so that forcing piston mechanism to taper off movement reaches buffering
Effect；When piston mechanism movement velocity decays to zero, the work of the compression potential energy of the high viscosity elastic fluid in limit cavity
Under, piston mechanism counter motion resets, and without spring structure reset, movable part is few, stabilization reliable for operation.
2, the buffer of the utility model, because the compression ratio of high viscosity elastic fluid is fixed, so that piston in buffering course
The final stop position of mechanism is stablized, and also has limit function, solves asking for the executive component positioning of existing hydraulic bjuffer
Topic.
3, the buffer of the utility model, first seal sealing and close by locking interstage sleeve, sealing interstage sleeve, spring energy-storage
The piston seal component for the second seal composition being fixedly installed on the outside of sealing, sealing guide sleeve, and sealing guide sleeve, multi-sealed phase
Mutually cooperation, sealed reliable are not easy to leak, and further improve the cushion performance of buffer.
4, the buffer of the utility model, inner barrel interference fit are equipped with buffering inner sleeve, and multisection type cavity is set to
The inside for buffering inner sleeve can be needed according to operating condition come customized buffering inner sleeve, and replacement is convenient, and only needing to change buffering inner sleeve can but meet
Multi-state requirement, applicability are good.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the novel buffer of the utility model.
Fig. 2 is the structural schematic diagram of the buffering inner sleeve of the utility model.
In figure: 1, cylinder；2, end socket；3, piston mechanism；31, piston rod；32, piston；33, piston head；4, the first sealing
Part；51, localization cavity；52, buffer cavity；53, limit cavity；6, buffer inner sleeve；71, lock interstage sleeve；72, seal interstage sleeve；73,
Spring energy-storage sealing element；74, seal guide sleeve；75, second seal；76, dustband；8, copper alloy self-lubricating bearing；9, height is viscous
Spend elastic fluid.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, the technical solution in embodiment is carried out it is clear, complete
Ground description.Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, institute obtained by those of ordinary skill in the art without making creative efforts
There are other embodiments, fall within the protection scope of the utility model.
As shown in Figure 1, 2, a kind of novel buffer, including cylinder 1, end socket 2 and piston mechanism 3, the cylinder 1 are one end
Open at one end enclosed construction.Open end (i.e. left end in Fig. 1) fixing seal of the cylinder 1 is provided with the end socket 2.
Preferred scheme, is threadedly coupled fixation between the end socket 2 and cylinder 1, the contact surface of the end socket 2 is provided with rank
Terraced axle journal, the contact surface that the contact surface of the cylinder 1 is provided with ladder hole face or end socket 2 are provided with ladder hole face, and cylinder
1 contact surface is provided with multidiameter neck, multidiameter neck, ladder hole face and be pressed between multidiameter neck and ladder hole face first
Sealing element 4 seals the common sealing realized between end socket 2 and cylinder 1.
The cylinder 1 is internally provided with multisection type cavity, and the multisection type cavity is by from the open end of cylinder 1 to closing
The buffer cavity 52 and limit cavity 53 for holding setting form.Multisection type cavity is formed enclosed construction, multistage by end socket 2 and cylinder 1
The built-in high viscosity elastic fluid 9 being filled with as buffer medium of formula cavity.
One end of the piston mechanism 3 is through the end socket 2 and extends to multisection type cavity inside, the piston mechanism 3 with
Cooperation is slidingly sealed between end socket 2.Piston mechanism 3 under external force, can be in the multisection type cavity inside cylinder 1 along axis
Direction is reciprocating, when limit 53 inside of cavity is protruded into the sliding of piston mechanism 3 and limits 53 inner wall clearance fit of cavity, i.e.,
Piston mechanism 3 is now placed in the small internal diameter in limit cavity 53 of outer diameter of the part in limit cavity 53.
Preferred scheme, the multisection type cavity further include the positioning sky for being set to buffer cavity 52 close to 2 one end of end socket
Chamber 51, the fixation for 3 initial position of piston mechanism.
Preferred scheme, interference fit is equipped with buffering inner sleeve 6 inside the cylinder 1, and the multisection type cavity is set to
Buffer the inside of inner sleeve 6.It can be needed according to operating condition come customized buffering inner sleeve 6, replacement is convenient, only needs to change buffering inner sleeve 6 and but may be used
Meet multi-state requirement, applicability is good.
Preferred scheme, the buffer cavity 52 are taper or dolioform.Further preferred scheme, buffer cavity 52 are
Taper, the buffer cavity 52 of taper, which can be used to ensure that in 3 operational process of piston mechanism, keeps slow with the variation of impact velocity
Impulse force is constant, improves buffering efficiency.
Preferred scheme, by being pressed abd fixed on end socket 2 and multisection type cavity between the piston mechanism 3 and end socket 2
Piston seal component sealing between end face, the piston seal component include the locking interstage sleeve 71 being successively fixedly installed, sealing
Interstage sleeve 72, spring energy-storage sealing element 73, sealing guide sleeve 74, and seal the second seal 75 being fixedly installed on the outside of guide sleeve 74.Root
According to the piston seal component that high viscosity elastic fluid 9 is arranged, multi-sealed mutual cooperation, sealed reliable is not easy to leak, further
Improve the cushion performance of buffer.
Preferred scheme, the piston seal component sealing further include being set to sealing guide sleeve 74 close to 2 side of end socket
Dustband 76, for preventing external dust and impurity in 3 motion process of piston mechanism from entering inside.
Preferred scheme, the sealing interstage sleeve 72 and the inside for sealing guide sleeve 74 are provided with for guide support piston machine
The bore area of the copper alloy self-lubricating bearing 8 of structure 3, copper alloy self-lubricating bearing 8 has modified teflon material, with work
Fill in 31 clearance fit of piston rod of mechanism 3.2 copper alloy self-lubricating bearings 8 realize the guiding and support to piston mechanism 3 jointly
Effect, so that piston mechanism 3 when by external force, can only be moved along its axis direction.When copper alloy self-lubricating bearing 8 is run
Itself generates one layer of solid-liquid mixed lubrication film, plays the effect for reducing friction, greatly improves copper sheathing performance itself,
Can be in heavy load, high temperature, shock loading moves back and forth, is difficult to refuel etc. and works normally in bad working environments, improves buffer
Service life and stability.
Preferred scheme, the piston mechanism 3 include piston rod 31, piston 32 and piston head 33, the piston rod 31 with
Cooperation is slidingly sealed between end socket 2, the threaded one end that the piston rod 31 is located at multisection type cavity inside is connected with the piston
32, the sliding of piston 32 is protruded into when limiting 53 inside of cavity and limit 53 inner wall clearance fit of cavity, 31, the piston rod
Threaded one end outside cylinder 1 is connected with the piston head 33.
The buffer of the utility model by external impacts when, the piston 32 of piston mechanism 3 enters the buffer cavity of leading portion
52, buffer cavity 52 is mentioned for guaranteeing to keep cushion effect constant with the variation of impact velocity in 3 operational process of piston mechanism
High buffering efficiency；And piston mechanism 3 piston 32 enter back segment limit cavity 53 when, piston mechanism 3 and limit cavity 53 it
Between gap very little, piston mechanism 3 compress high viscosity elastic fluid 9 generate biggish damping force, thus force piston mechanism 3 by
Gradually stop motion reaches buffer function；High viscosity bullet when 3 movement velocity of piston mechanism decays to zero, in limit cavity 53
Property fluid 9 compression potential energy under the action of, 3 counter motion of piston mechanism reset, without spring structure reset, movable part
It is few, stabilization reliable for operation.
Content described in this specification embodiment is only an enumeration of the implementation forms of the utility model concept, this is practical new
The protection scope of type should not be construed as being limited to the specific forms stated in the embodiments, the protection scope of the utility model also and
In those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.
Claims (9)
1. a kind of novel buffer, it is characterised in that: including cylinder (1), end socket (2) and piston mechanism (3), the cylinder (1)
Open end fixing seal for formula structure closed at one end open at one end, the cylinder (1) is provided with the end socket (2), the cylinder
Body (1) is internally provided with multisection type cavity, and the multisection type cavity is slow by being arranged from open end to the closed end of cylinder (1)
Cavity (52) and limit cavity (53) composition are rushed, one end of the piston mechanism (3) through the end socket (2) and extends to multisection type
Cavity inside, is slidingly sealed cooperation between the piston mechanism (3) and end socket (2), limit is protruded into piston mechanism (3) sliding
When cavity (53) is internal with limit cavity (53) inner wall clearance fit.
2. a kind of novel buffer according to claim 1, it is characterised in that: the multisection type cavity further includes being set to
Localization cavity (51) of the buffer cavity (52) close to end socket (2) one end.
3. a kind of novel buffer according to claim 1, it is characterised in that: the buffer cavity (52) is taper or waist
Cydariform.
4. described in any item a kind of novel buffers according to claim 1~3, it is characterised in that: the internal mistake of the cylinder (1)
It is full of and is fitted with buffering inner sleeve (6), the multisection type cavity is set to the inside of buffering inner sleeve (6).
5. a kind of novel buffer according to claim 1, it is characterised in that: spiral shell between the end socket (2) and cylinder (1)
Line is connected and fixed, the end socket (2) and cylinder (1) pass through the multidiameter neck for both being respectively arranged at contact surface, ladder hole face and
First seal (4) sealing being pressed between multidiameter neck and ladder hole face.
6. a kind of novel buffer according to claim 1, it is characterised in that: the piston mechanism (3) and end socket (2) it
Between sealed by the piston seal component that is pressed abd fixed between end socket (2) and the end face of multisection type cavity, the piston seal
Component includes the locking interstage sleeve (71) being successively fixedly installed, sealing interstage sleeve (72), spring energy-storage sealing element (73), sealing guide sleeve
(74), the second seal (75) and on the outside of sealing guide sleeve (74) being fixedly installed.
7. a kind of novel buffer according to claim 6, it is characterised in that: the piston seal component, which seals, further includes
Sealing guide sleeve (74) is set to close to the dustband (76) of end socket (2) side.
8. a kind of novel buffer according to claim 6, it is characterised in that: the sealing interstage sleeve (72) and sealing guide sleeve
(74) the copper alloy self-lubricating bearing (8) for guide support piston mechanism (3) is provided on the inside of.
9. a kind of according to claim 1~3,5~8 described in any item novel buffers, it is characterised in that: the piston mechanism
(3) include piston rod (31), piston (32) and piston head (33), be slidingly sealed and match between the piston rod (31) and end socket (2)
It closes, the threaded one end that the piston rod (31) is located at multisection type cavity inside is connected with the piston (32), the piston (32)
Sliding protrude into limit cavity (53) it is internal when with limit cavity (53) inner wall clearance fit, the piston rod (31) is located at cylinder
(1) external threaded one end is connected with the piston head (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820551810.XU CN208295025U (en) | 2018-04-17 | 2018-04-17 | A kind of novel buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820551810.XU CN208295025U (en) | 2018-04-17 | 2018-04-17 | A kind of novel buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208295025U true CN208295025U (en) | 2018-12-28 |
Family
ID=64724993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820551810.XU Expired - Fee Related CN208295025U (en) | 2018-04-17 | 2018-04-17 | A kind of novel buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208295025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946773A (en) * | 2020-08-24 | 2020-11-17 | 李晓艳 | Combined new energy automobile shock absorber |
-
2018
- 2018-04-17 CN CN201820551810.XU patent/CN208295025U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946773A (en) * | 2020-08-24 | 2020-11-17 | 李晓艳 | Combined new energy automobile shock absorber |
| CN111946773B (en) * | 2020-08-24 | 2021-11-05 | 荣成名骏户外休闲用品股份有限公司 | Combined new energy automobile shock absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 Termination date: 20190417 |
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| CF01 | Termination of patent right due to non-payment of annual fee |