CN209228790U - A kind of simple buffer structure of truck hydraulic cylinder - Google Patents
A kind of simple buffer structure of truck hydraulic cylinder Download PDFInfo
- Publication number
- CN209228790U CN209228790U CN201822100294.1U CN201822100294U CN209228790U CN 209228790 U CN209228790 U CN 209228790U CN 201822100294 U CN201822100294 U CN 201822100294U CN 209228790 U CN209228790 U CN 209228790U
- Authority
- CN
- China
- Prior art keywords
- buffer
- plunger
- piston
- fixed
- cylinder
- Prior art date
- 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
Links
Landscapes
- Actuator (AREA)
Abstract
The utility model relates to technical field of hydraulic oil cylinder, in particular disclose a kind of simple buffer structure of truck hydraulic cylinder, including buffer plunger cylinder body, the buffer plunger cylinder interior is provided with L-shaped through-hole, circular piston cylinder is fixed at the top of the buffer plunger cylinder body, the piston cylinder internal activity is connected with piston, square groove is provided at the top of the buffer plunger cylinder body, buffer plunger is fixed in square groove, perforative oilhole is provided at the top of the buffer plunger, the through-hole connection of oilhole and buffer plunger cylinder interior, movable sleeve is connected to cushion collar on the outside of the buffer plunger, cushion collar side bottom end is provided with rectangular notch.In the utility model, the structure is easily worked, it is low with maintenance cost to manufacture, when piston drops to buffer plunger position, oil-through-hole becomes smaller suddenly, pressure becomes larger, and pressure is upward by cushion collar, develops, hydraulic oil can only be from the slowly oil return of the gap between cushion collar and plunger, to reach buffering effect.
Description
Technical field
The utility model relates to technical field of hydraulic oil cylinder more particularly to a kind of simple buffer structures of truck hydraulic cylinder.
Background technique
Hydraulic oil cylinder buffer gear is a kind of critical function device of hydraulic cylinder, when hydraulic cylinder has one for driving
When determining quality or breakable object whereabouts, there will be larger kinetic energy when hydraulic cylinder moves to stroke end, and not do such as and subtract
Mechanicalness collision will occur for speed processing, hydraulic cylinder piston and cylinder bottom, generate impact, noise, have destructiveness.To avoid occurring
Such case, needs to be arranged in hydraulic cylinder buffer gear, and generalling use cylinder bottom monoblock type buffer structure in the prior art is
The cushion collar of upper red copper material is inlayed in internal piston and is fixed with snap ring, and the inner hole of the cushion collar of red copper material is as buffering
Hole, high-precision buffer plunger and cylinder bottom monoblock type are filled between piston and cylinder bottom when cushion collar is close to before buffer plunger when work
The hydraulic oil of reprimand can easily flow out hydraulic cylinder from the oil passage among buffer plunger, when buffer plunger enters cushion hole
When, the channel narrows are until that can not circulate, and hydraulic oil can only be flowed out from the mesopore on cylinder bottom at this time；Since runner is continuous
Narrowing causes the pressure of liquid between piston and cylinder bottom to steeply rise to opposite to the generation of mass motion mechanism and the direction of motion
Acceleration, reach buffering effect.
Above-mentioned buffer plunger has the disadvantage that cushion collar is that red copper material is costly with cylinder bottom monolithic construction, adds
Work relatively wastes；Buffer plunger cylinder bottom monoblock type, buffer plunger are unable to reach the surface roughness of needs, and upper grinding machine is processed and its is stranded
Difficulty, escape need to be used by removing the angle root R, and withdrawing groove location strength weak is easily broken off；Buffer plunger can not local heat treatmet,
Whole modifier treatment waste of resource etc. again, thus it is proposed that a kind of simple buffer structure of truck hydraulic cylinder, to solve above-mentioned ask
Topic.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of truck hydraulic cylinder proposed
Simple buffer structure.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of simple buffer structure of truck hydraulic cylinder, including buffer plunger cylinder body, the buffer plunger cylinder interior are provided with L
The through-hole of shape, the buffer plunger cylinder body top are fixed with circular piston cylinder, and the piston cylinder internal activity is connected with work
Plug, the buffer plunger cylinder body top are provided with square groove, buffer plunger are fixed in square groove, is provided with and runs through at the top of the buffer plunger
Oilhole, the through-hole connection of oilhole and buffer plunger cylinder interior, movable sleeve is connected to cushion collar on the outside of the buffer plunger, described
Cushion collar side bottom end is provided with rectangular notch, and movable sleeve is connected to retaining ring at rectangular notch, and the piston is socketed in cushion collar side,
Equidistant annular is fixed with buffer unit at the top of the buffer plunger cylinder body.
Preferably, the buffer unit includes support frame, is fixed with branch triangular in shape at the top of the buffer plunger cylinder body
Support, support frame as described above top are fixed with rotary table, sleeve are fixed at the top of rotary table, and middle position is fixed with plunger at the top of rotary table,
The plunger side is socketed with the second cushion collar, and second piston is socketed on the outside of the second cushion collar, and the second piston side is solid
Surely there is rectangular slab, be fixed with brute spring between the rectangular slab and rotary table.
Preferably, the piston and the piston inside wall of cylinder are fitted close.
Preferably, the square groove and buffer plunger use the interference fit type of U/h.
Preferably, the second piston and sleeve lining are fitted close, and plunger head is provided with perforative circular hole, rotary table middle part
It is provided with circular oil-through-hole.
Compared with prior art, the utility model has the beneficial effects that
In the utility model:
1, the structure be easily worked, manufacture it is low with maintenance cost, the characteristics of good buffer effect.
2, when piston drops to buffer plunger position, oil-through-hole becomes smaller suddenly, and pressure becomes larger, and pressure is upward by cushion collar
It squeezes, develops, hydraulic oil can only be from the slowly oil return of the gap between cushion collar and plunger, and to reach buffering effect, starting rises
When, hydraulic oil opens cushion collar, gap oil inlet (cushion collar and work of the oil from cushion collar and the gap, cushion collar and plunger of piston
The gap of plug is larger), entire buffer structure achievees the effect that oil inlet is smooth, meter out is slowed down.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of simple buffer structure of truck hydraulic cylinder front view；
Fig. 2 is the enlarged diagram in Fig. 1 at A.
In figure: 1 buffer plunger cylinder body, 2 piston cylinders, 3 pistons, 4 buffer plungers, 5 cushion collars, 6 retaining rings, 7 support frames, 8 circles
Platform, 9 sleeves, 10 plungers, 11 second cushion collars, 12 second pistons, 13 rectangular slabs, 14 through-holes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of simple buffer structure of truck hydraulic cylinder, including buffer plunger cylinder body 1, buffer plunger cylinder body 1
Inside is provided with L-shaped through-hole 14, and circular piston cylinder 2 is fixed at the top of buffer plunger cylinder body 1, and 2 internal activity of piston cylinder connects
It is connected to piston 3, piston 3 and 2 inner wall of piston cylinder are fitted close, are provided with square groove at the top of buffer plunger cylinder body 1, are fixed in square groove slow
Plunger 4 is rushed, square groove and buffer plunger 4 use the interference fit type of U7/h6, be provided with perforative oilhole at the top of buffer plunger 4, oil
14 connection of through-hole inside hole and buffer plunger cylinder body 1,4 outside movable sleeve of buffer plunger are connected to cushion collar 5,5 side of cushion collar
Bottom end is provided with rectangular notch, and movable sleeve is connected to retaining ring 6 at rectangular notch, and piston 3 is socketed in 5 side of cushion collar, bumper post plug cylinder
The equidistant annular in the top of body 1 is fixed with buffer unit, and buffer unit includes support frame 7, is fixed at the top of buffer plunger cylinder body 1 and is in
The support frame 7 of triangle is fixed with rotary table 8 at the top of support frame 7, sleeve 9,8 top center position of rotary table is fixed at the top of rotary table 8
It is fixed with plunger 10,10 side of plunger is socketed with the second cushion collar 11, second piston 12 is socketed on the outside of the second cushion collar 11, the
Two pistons, 12 side is fixed with rectangular slab 13, and brute spring, second piston 12 and sleeve are fixed between rectangular slab 13 and rotary table 8
9 inner walls are fitted close, and are provided with perforative circular hole at the top of plunger 10, circular oil-through-hole is provided in the middle part of rotary table 8.
Working principle: in the present apparatus, when piston 3 drops to 4 position of buffer plunger, oil-through-hole becomes smaller suddenly, and pressure becomes
Greatly, pressure is upward by cushion collar 5, develops 3 bottom end of piston, and hydraulic oil can only be between cushion collar 5 and buffer plunger 4
Gap slowly oil return, when decline is continued in 3 bottom end of piston encounters second piston 12, oil-through-hole becomes smaller suddenly, and pressure becomes larger, and pressure will
Second cushion collar 11 is upward, develops 12 bottom end of second piston, and hydraulic oil can only be between the second cushion collar 11 and plunger 10
Gap slowly oil return, to reach buffering effect, when starting rises, hydraulic oil opens cushion collar 5, and oil is from cushion collar 5 and piston 3
Between gap, cushion collar 5 and buffer plunger 4 gap oil inlet (gap of cushion collar 5 and piston 3 is larger) so that piston 3 is lifted
It rises, second piston 12 slowly rises under the action of brute spring at this time, convenient for the work of next time.
More than, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, according to the utility model
Technical solution and its utility model design be subject to equivalent substitution or change, should all cover the protection scope of the utility model it
It is interior.
Claims (5)
1. a kind of simple buffer structure of truck hydraulic cylinder, including buffer plunger cylinder body (1), which is characterized in that the buffer plunger
It is provided with L-shaped through-hole (14) inside cylinder body (1), circular piston cylinder (2) is fixed at the top of the buffer plunger cylinder body (1),
Piston cylinder (2) internal activity is connected with piston (3), and square groove is provided at the top of the buffer plunger cylinder body (1), is fixed in square groove
Have buffer plunger (4), perforative oilhole is provided at the top of the buffer plunger (4), oilhole is logical with buffer plunger cylinder body (1) inside
Hole connection, buffer plunger (4) outside movable sleeve are connected to cushion collar (5), and cushion collar (5) the side bottom end is provided with rectangle and lacks
Mouthful, movable sleeve is connected to retaining ring (6) at rectangular notch, and the piston (3) is socketed in cushion collar (5) side, the bumper post plug cylinder
Equidistant annular is fixed with buffer unit at the top of body (1).
2. a kind of simple buffer structure of truck hydraulic cylinder according to claim 1, which is characterized in that the buffer unit packet
It includes support frame (7), is fixed with support frame triangular in shape (7) at the top of the buffer plunger cylinder body (1), support frame as described above (7) top
Portion is fixed with rotary table (8), is fixed with sleeve (9) at the top of rotary table (8), rotary table (8) top center position is fixed with plunger (10), institute
It states plunger (10) side to be socketed with the second cushion collar (11), be socketed with second piston (12) on the outside of the second cushion collar (11), it is described
Second piston (12) side is fixed with rectangular slab (13), is fixed with brute spring between the rectangular slab (13) and rotary table (8).
3. a kind of simple buffer structure of truck hydraulic cylinder according to claim 1, which is characterized in that the piston (3) with
Piston cylinder (2) inner wall is fitted close.
4. a kind of simple buffer structure of truck hydraulic cylinder according to claim 1, which is characterized in that the square groove and buffering
Plunger (4) uses the interference fit type of U7/h6.
5. a kind of simple buffer structure of truck hydraulic cylinder according to claim 2, which is characterized in that the second piston
(12) it is fitted close with sleeve (9) inner wall, perforative circular hole is provided at the top of plunger (10), be provided in the middle part of rotary table (8) circular logical
Oilhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822100294.1U CN209228790U (en) | 2018-12-14 | 2018-12-14 | A kind of simple buffer structure of truck hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822100294.1U CN209228790U (en) | 2018-12-14 | 2018-12-14 | A kind of simple buffer structure of truck hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209228790U true CN209228790U (en) | 2019-08-09 |
Family
ID=67507573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822100294.1U Expired - Fee Related CN209228790U (en) | 2018-12-14 | 2018-12-14 | A kind of simple buffer structure of truck hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209228790U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228424A (en) * | 2020-10-20 | 2021-01-15 | 石芹芹 | Hydraulic oil cylinder |
-
2018
- 2018-12-14 CN CN201822100294.1U patent/CN209228790U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228424A (en) * | 2020-10-20 | 2021-01-15 | 石芹芹 | Hydraulic oil cylinder |
| CN112228424B (en) * | 2020-10-20 | 2022-08-12 | 山东金逸机械有限公司 | Hydraulic oil cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202483985U (en) | Buffering hydraulic cylinder | |
| CN202301278U (en) | Flexible oil cylinder | |
| CN203614510U (en) | Hydraulic buffering oil cylinder | |
| CN209228790U (en) | A kind of simple buffer structure of truck hydraulic cylinder | |
| CN108118696B (en) | A kind of reversing arrangement of hydraulic hammer | |
| CN207864300U (en) | Band-type brake oil cylinder | |
| CN204186689U (en) | Oil hydraulic cylinder | |
| CN110939629A (en) | Hydraulic cylinder with buffer function | |
| CN102777443A (en) | Hydraulic cylinder, hydraulic system and engineering machine | |
| CN213270546U (en) | Guide sleeve of hydraulic oil cylinder | |
| CN205204557U (en) | Attenuator is pressed to elevator oil expenses | |
| CN211370880U (en) | Novel hydraulic oil cylinder | |
| CN209026197U (en) | A kind of hydraulic cylinder sealing ring | |
| CN202031920U (en) | Hydraulic oil cylinder with cushioning device | |
| CN206206308U (en) | A kind of oil cylinder | |
| CN204640850U (en) | A kind of double power 100 T lateral pressure adjustable press | |
| CN208764018U (en) | Hydraulic cylinder with pooling feature | |
| CN203652546U (en) | Bucket elevator | |
| CN109253126A (en) | Sealed hydraulic oil cylinder | |
| CN210371429U (en) | Quick multicavity hydraulic cylinder with buffer function | |
| CN204512276U (en) | A kind of unidirectional tension hydraulic damper | |
| CN208381028U (en) | A kind of Improvement type cylinder die-cushion component | |
| CN209212700U (en) | A kind of hydraulic cylinder buffer gear | |
| CN203463242U (en) | Hydraulic airless pump | |
| CN208885682U (en) | A kind of double rod type hydraulic cylinder |
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: 20190809 Termination date: 20201214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |