CN208686708U - A kind of detachable cushion collar mounting structure - Google Patents
A kind of detachable cushion collar mounting structure Download PDFInfo
- Publication number
- CN208686708U CN208686708U CN201821494102.3U CN201821494102U CN208686708U CN 208686708 U CN208686708 U CN 208686708U CN 201821494102 U CN201821494102 U CN 201821494102U CN 208686708 U CN208686708 U CN 208686708U
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- China
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- cylinder
- cushion collar
- piston rod
- card key
- mounting structure
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Abstract
The utility model announces a kind of detachable cushion collar mounting structure, belongs to hydraulic cylinder technical field.Including piston rod and the piston for being mounted on piston rod inner end；The piston rod inner face is fixed with cylinder, and a circle card slot is provided on the periphery of cylinder outer end；It is set with cushion collar on the cylinder, the rear card key for limiting buffer set is installed in cylinder card slot.The beneficial effects of the utility model are: without using tooling in overall structure installation process, it is quick and easy for installation, it is high-efficient；All components are detachable, and cushion performance is adjusted when facilitating test, and market service change and repair, each component can be achieved to repeat to recycle after convenience.
Description
Technical field
The utility model relates to hydraulic cylinder technical field, specifically a kind of detachable cushion collar mounting structure.
Background technique
In the process of running, when piston rod reaches end of travel, if the speed of service is very fast, piston is easy and leads hydraulic cylinder
Mechanical impact is caused to set, generates very big surge and noise, in order to extend hydraulic cylinder sealing system service life, protection
Piston rod electroplating layer, weldquality and host other structures part avoid mechanical impact and hydraulic shock, therefore at its stroke end
End must be provided with certain buffer unit to reduce mechanical impact.
The matching of solution cushion performance and host is the core content of excavator hydraulic cylinder, authenticated in new product model machine
It has to be adjusted buffer parameter in journey, buffer parameter adjustment mainly more brings realization by buffer element, therefore slow
Rush the replaceable particularly important of element.
As shown in Figure 1, being that a kind of bucket rod cylinder of excavator rodless cavity buffer plunger, piston rod that Chinese patent is announced connect
Structure (201944037 U of CN), indentation has elastic spring, steel wire gear between piston rod and the connecting portion of buffer plunger
Circle is contacted with piston rod, buffer plunger for line, and contact area is big, is able to bear more energetically, thus reach better connection effect,
High reliablity.
But there are following deficiencies for this technology:
1, the elastic spring material used is carbon spring steel wires, and hardness is high, firstly the need of passing through tooling general when installation
Elastic spring is installed in the groove of buffer plunger, then buffer plunger is installed to by tooling the installation of piston rod end face again
In hole, each step requires to realize by tooling, pure can not install by hand, installation procedure is complicated；
It 2, can be in buffer plunger when attaching it on buffer plunger since elastic spring material surface hardness is extremely hard
Surface causes to pull, and needs to carry out grinding process, influences the cushion performance of final products；
3, since elastic spring material is extremely hard, restore after elastic spring is installed on piston rod to original state, it can not
The state tightened in installation process is returned, so buffer plunger can not further take out after being installed in place, causes subsequent not replacing
Even piston rod is caused not to be available integrally.
Summary of the invention
In order to solve the above technical problems, the utility model provides a kind of detachable cushion collar mounting structure.
The utility model is achieved through the following technical solutions: a kind of detachable cushion collar mounting structure, including piston rod
With the piston for being mounted on piston rod inner end；The piston rod inner face is fixed with cylinder, is provided with one on the periphery of cylinder outer end
Enclose card slot；It is set with cushion collar on the cylinder, the rear card key for limiting buffer set is installed in cylinder card slot.
It is further: card key is generally circular after described, and rear card key is broken into two parts with opening, two parts
Card key is fastened in cylinder card slot afterwards；The cushion collar outer end inner wall is provided with inner stopper, the rear card key outer circumference surface cooperation peace
In cushion collar inner stopper.
A preceding card key being sleeved on cylinder is equipped on the inside of the cushion collar, it is gentle that preceding card key is located at piston rod inner face
Between punching set.
The preceding card key is to be provided with opening " C " type structure, and piston rod inner face, preceding card key position are stretched out in the piston inner end
In in piston.
The piston rod, cylinder are integrally formed.
Compared with prior art, the utility model has the beneficial effects that without using tooling in overall structure installation process,
It is quick and easy for installation, it is high-efficient；All components are detachable, cushion performance adjusted when facilitating test, market service is torn open after convenience
Changing maintenance, each component can be achieved to repeat to recycle.
Detailed description of the invention
Fig. 1 is a kind of buffer structure schematic diagram described in background technology；
Fig. 2 is the utility model structure diagram；
In figure: 1, piston rod；2, piston；3, cylinder；4, cushion collar；5, rear card key；6, preceding card key.
Specific embodiment
It is a specific embodiment of the utility model below, the utility model is described further now in conjunction with attached drawing.
As shown in Fig. 2, a kind of detachable cushion collar mounting structure, including piston rod 1 and is mounted on 1 inner end of piston rod
1 inner face of piston rod is stretched out in piston 2,2 inner end of piston.1 inner face of piston rod is equipped with cylinder 3, piston rod 1, the one of cylinder 3 at
Type.A circle card slot is provided on the periphery of 3 outer end of cylinder；It is set with cushion collar 4 on cylinder 3, is installed in 3 card slot of cylinder useful
In the rear card key 5 of limiting buffer set 4.
Card key 5 is generally circular afterwards, and rear card key 5 is broken into two semicircular rings with opening, and card key 5 is detained after two parts
It closes in 3 card slot of cylinder.It is provided with inner stopper in 4 outer end inner wall of cushion collar, rear 5 outer circumference surface of card key is fitted to cushion collar 4
In inner stopper, rear card key 5 is prevented to be detached from 3 card slot of cylinder by 4 inner stopper of cushion collar.
On the inside of cushion collar 4 be equipped with a preceding card key 6 being sleeved on cylinder 3, preceding card key 6 be located at 1 inner face of piston rod with
Between cushion collar 4.Preceding card key 6 is to be provided with opening " C " type structure, and preceding card key 6 is located in piston 2, before being prevented by piston 2
Card key 6 is detached from cylinder 3.
Use process:
Cushion collar is installed on the cylinder of piston rod end；
Cushion collar is pushed into the leftmost side of cylinder；
Rear card key (2 semicircles) is mounted in the card slot on cylinder；
Then, cushion collar is retracted into right side, rear card key is limited on cylinder by cushion collar inner stopper；
Preceding card key (whole C-shaped) is installed to cushion collar front end, after preceding card key is installed in place, is limited in cushion collar axial direction
System, has certain amount of floating but not falls off；
Piston is finally screwed on into piston rod, piston inner hole is again by the limit of preceding card key on cylinder, and card key is radially moved before limiting
It is dynamic.
Claims (5)
1. a kind of detachable cushion collar mounting structure, including piston rod (1) and it is mounted on the piston (2) of piston rod (1) inner end；
It is characterized by: piston rod (1) inner face is fixed with cylinder (3), a circle card is provided on the periphery of cylinder (3) outer end
Slot；Cushion collar (4) are set on the cylinder (3), the rear card for limiting buffer set (4) is installed in cylinder (3) card slot
Key (5).
2. a kind of detachable cushion collar mounting structure according to claim 1, it is characterised in that: card key (5) after described
Generally circular, rear card key (5) is broken into two parts with opening, and card key (5) is fastened on cylinder (3) card slot after two parts
In；Cushion collar (4) outer end inner wall is provided with inner stopper, and described rear card key (5) outer circumference surface is fitted in cushion collar (4)
In seam allowance.
3. a kind of detachable cushion collar mounting structure according to claim 2, it is characterised in that: the cushion collar (4)
Inside is equipped with a preceding card key (6) being sleeved on cylinder (3), and preceding card key (6) is located at piston rod (1) inner face and cushion collar
(4) between.
4. a kind of detachable cushion collar mounting structure according to claim 3, it is characterised in that: the preceding card key (6)
It is to be provided with opening " C " type structure, piston rod (1) inner face is stretched out in piston (2) inner end, and preceding card key (6) is located at piston (2)
It is interior.
5. a kind of detachable cushion collar mounting structure according to claim 1, it is characterised in that: the piston rod (1),
Cylinder (3) is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821494102.3U CN208686708U (en) | 2018-09-13 | 2018-09-13 | A kind of detachable cushion collar mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821494102.3U CN208686708U (en) | 2018-09-13 | 2018-09-13 | A kind of detachable cushion collar mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208686708U true CN208686708U (en) | 2019-04-02 |
Family
ID=65888611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821494102.3U Active CN208686708U (en) | 2018-09-13 | 2018-09-13 | A kind of detachable cushion collar mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208686708U (en) |
-
2018
- 2018-09-13 CN CN201821494102.3U patent/CN208686708U/en active Active
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