CN208816447U - A kind of single cylinder buffer structure - Google Patents
A kind of single cylinder buffer structure Download PDFInfo
- Publication number
- CN208816447U CN208816447U CN201821716821.5U CN201821716821U CN208816447U CN 208816447 U CN208816447 U CN 208816447U CN 201821716821 U CN201821716821 U CN 201821716821U CN 208816447 U CN208816447 U CN 208816447U
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- China
- Prior art keywords
- buffer
- cylinder body
- piston
- pull rod
- limit plate
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Abstract
The utility model discloses a kind of single cylinder buffer structures, including cylinder body, piston, buffer pull rod, damper piston and limit plate, the cylinder body is " H " type structure, the damper piston and piston are arranged in the cavity of cylinder body or more two sides, the limit plate is mounted on the upper end of cylinder body, the upper end of the damper piston passes through limit plate, position on the damper piston across limit plate is equipped with buffering adjusting nut, there is gap between buffering adjusting nut and limit plate, the lower end of the buffer pull rod is connect with piston, the upper end of buffer pull rod sequentially passes through cylinder body, damper piston, buffer adjusting nut, the part that buffering adjusting nut is passed through on buffer pull rod is equipped with buffer head, locking nut and stop nut are installed on buffer head.The utility model cylinder body, the body of rod are the integrated design, compact-sized, and required installation space is small, and hydraulic oil has acting in opposition, and buffer structure has preferable buffering effect.
Description
Technical field
The utility model relates to a kind of single cylinder buffer structures, belong to technical field of hydraulic equipment.
Background technique
In slab blanking hydraulic press, blanking pressure is big, and the master cylinder power needed is big, and table top is relatively small, and work top needs
Will more mold exchange, underlying buffering is fitted without space, cross-head portion, size be also it is relatively small, in this case, single cylinder is slow
Structure is rushed just to come into being.
Utility model content
In view of the above-mentioned problems of the prior art, the utility model provides a kind of single cylinder buffer structure, by piston and delay
Cylinder integrated design is rushed, compact-sized, required installation space is few, the hydraulic device compact suitable for installation space.
To achieve the goals above, a kind of single cylinder buffer structure, including cylinder body, piston, buffer pull rod, damper piston and
Limit plate, the cylinder body are " H " type structure, and the damper piston and piston are arranged in the cavity of cylinder body or more two sides,
The limit plate is mounted on the upper end of cylinder body, and the upper end of the damper piston passes through limit plate, passes through limit on the damper piston
The position of position plate is equipped with buffering adjusting nut, has gap, the buffer pull rod between buffering adjusting nut and the limit plate
Lower end connect with piston, the upper end of the buffer pull rod sequentially pass through the cylinder body, damper piston, buffering adjusting nut, institute
It states and is equipped with buffer head across the part of buffering adjusting nut on buffer pull rod, locking nut and locking spiral shell are installed on buffer head
Mother, there is a Y type piston ring between the damper piston and the cylinder body, the buffer pull rod, the bottom end seal of the cylinder body, under cylinder body
Upper and lower ends on side chamber body positioned at piston are opened up there are two hydraulic fluid port.
Preferably, the buffer head diameter of the buffer pull rod is less than the buffer pull rod shank diameter.
Preferably, the damper piston is inverted T shaped annulus rod structure, and the damper piston includes inverted T shaped annulus column piston
With annulus chamber, the annulus is intracavitary to be equipped with hydraulic oil, and the height of the annulus chamber is 18~22mm, when pressurization, hydraulic oil effect
Opposite force plays buffer function.
Preferably, the gap between the buffering adjusting nut and the limit plate is 8~12mm.
Preferably, the limit plate, which is bolted, is sealingly mounted on cylinder body, and the quantity of the bolt is at least 4
Root consolidates, good airproof performance, and easy to disassemble and maintenance.
Preferably, two hydraulic fluid ports are located at the same side of cylinder body, and the hydraulic fluid port is fixedly connected hydraulic by hydraulic fluid port flange
System.
It is compared with the prior art, the utility model cylinder body uses " H " type structure, and cylinder body, the body of rod are the integrated design, and ties
Structure is compact, and required installation space is small；The locking nut and stop nut that the utility model uses, can transmit cushion effect, and
The hydraulic oil of annulus chamber has acting in opposition, has preferable buffering effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of single cylinder buffer structure of the utility model.
In figure: 1, cylinder body, 2, piston, 3, buffer pull rod, 4, damper piston, 5, buffering adjusting nut, 6, locking nut, 7,
Stop nut, 8, y-type seal ring, 9 limit plates, 10, annulus chamber.
Specific embodiment
Clear, complete description is carried out to the technical solution in the utility model implementation with reference to the accompanying drawing, it is described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Implementation based on the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
As shown in Figure 1, a kind of single cylinder buffer structure provided by the embodiment of the utility model, including cylinder body 1, piston 2, buffering
Pull rod 3, damper piston 4 and limit plate 9, the cylinder body are " H " type structure, and the damper piston 4 and piston 2 are arranged in
For cylinder body up and down in the cavity of two sides, the limit plate 9 is mounted on the upper end of cylinder body 1, and the upper end of the damper piston 4 passes through limit
Plate 9, the position that limit plate 9 is passed through on the damper piston 4 are equipped with buffering adjusting nut 5, the buffering adjusting nut 5 with limit
There is gap between the plate 9 of position, the lower end of the buffer pull rod 3 is connect with piston 2, and the upper end of the buffer pull rod 3 sequentially passes through cylinder
Body 1, damper piston 4 buffer adjusting nut 5, and the part that buffering adjusting nut 5 is passed through on the buffer pull rod 3 is equipped with buffer head,
Locking nut 6 and stop nut 7 are installed on buffer head, had between the damper piston 4 and the cylinder body 1, the buffer pull rod 3
Y type piston ring, the bottom end seal of the cylinder body 1, the upper and lower ends that piston 2 is located on the 1 downside cavity of cylinder body offer two
A hydraulic fluid port.
Preferably, the buffer head diameter of the buffer pull rod 3 is less than 3 shank diameter of buffer pull rod.
Preferably, the damper piston 4 is inverted T shaped annulus rod structure, and the damper piston 4 is living including inverted T shaped annulus column
Plug and annulus chamber 10, are equipped with hydraulic oil in the annulus chamber 10, and the height of the annulus chamber 10 is 18~22mm, when pressurization, liquid
Pressure oil acts on opposite force, plays buffer function.
Preferably, the gap between the buffering adjusting nut 5 and the limit plate 9 is 8~12mm.
Preferably, the limit plate 9, which is bolted, is sealingly mounted on cylinder body, and the quantity of the bolt is at least 4
Root consolidates, good airproof performance, easy to disassemble and maintenance.
Preferably, the same side of two hydraulic fluid port cylinder bodies, the hydraulic fluid port are fixedly connected with hydraulic system by hydraulic fluid port flange.
The course of work: when master cylinder pressurization downlink, buffer pull rod 3 described in the piston driving of the piston 2 reaches buffer position,
The locking nut 6 touches the buffering adjusting nut 5, and damper piston 4 described in 5 bruising of buffering adjusting nut is described
Damper piston 4 is finally applied to the hydraulic oil in annulus chamber 10, and hydraulic oil acts on opposite force, to realize the purpose of buffering；It is main
When cylinder pressurizes, the hydraulic fluid port oil inlet in left side, the hydraulic fluid port on right side is fuel-displaced, and when master cylinder backhaul, hydraulic fluid port oil inlet is contrary.
In conclusion the utility model cylinder body 1 uses " H " type structure, cylinder body, the body of rod are the integrated design, and structure is tight
It gathers, required installation space is small；The locking nut 6 and stop nut 7 that the utility model uses, can transmit cushion effect, Er Qieyuan
The hydraulic oil of ring cavity 10 has acting in opposition, has preferable buffering effect.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit and essential characteristics of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, only for clarity, those skilled in the art should incite somebody to action this narrating mode of specification
As a whole, the technical solutions in the various embodiments may also be suitably combined for specification, and forming those skilled in the art can
With the other embodiments of understanding.
Claims (6)
1. a kind of single cylinder buffer structure, including cylinder body, piston, buffer pull rod, damper piston and limit plate, which is characterized in that
The cylinder body is " H " type structure, and the damper piston and piston are arranged in the cavity of cylinder body or more two sides, the limit
Plate is mounted on the upper end of cylinder body, and the upper end of the damper piston passes through limit plate, the position of limit plate is passed through on the damper piston
Set and buffering adjusting nut be installed, there is gap between buffering adjusting nut and the limit plate, the lower end of the buffer pull rod with
Piston connection, the upper end of the buffer pull rod sequentially passes through cylinder body, damper piston, buffers adjusting nut, on the buffer pull rod
It is equipped with buffer head across the part of buffering adjusting nut, locking nut and stop nut are installed on buffer head, the buffering is lived
Fill in has Y type piston ring between the cylinder body, the buffer pull rod, the bottom end seal of the cylinder body, is located on cavity on the downside of cylinder body
The upper and lower ends of piston are opened up there are two hydraulic fluid port.
2. a kind of single cylinder buffer structure according to claim 1, which is characterized in that the buffer head diameter of the buffer pull rod
Less than the buffer pull rod shank diameter.
3. a kind of single cylinder buffer structure according to claim 1, which is characterized in that the damper piston is inverted T shaped annulus
Rod structure, the damper piston include inverted T shaped annulus column piston and annulus chamber, and the annulus is intracavitary to be equipped with hydraulic oil, the circle
The height of ring cavity is 18~22mm.
4. a kind of single cylinder buffer structure according to claim 1, which is characterized in that the buffering adjusting nut and the limit
Gap between the plate of position is 8~12mm.
5. a kind of single cylinder buffer structure according to claim 1, which is characterized in that the limit plate is bolted close
Envelope is mounted on cylinder body, and the quantity of the bolt is at least 4.
6. a kind of single cylinder buffer structure according to claim 1, which is characterized in that two hydraulic fluid ports are located at the same of cylinder body
Side, the hydraulic fluid port are fixedly connected with hydraulic system by flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821716821.5U CN208816447U (en) | 2018-10-23 | 2018-10-23 | A kind of single cylinder buffer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821716821.5U CN208816447U (en) | 2018-10-23 | 2018-10-23 | A kind of single cylinder buffer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208816447U true CN208816447U (en) | 2019-05-03 |
Family
ID=66280082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821716821.5U Active CN208816447U (en) | 2018-10-23 | 2018-10-23 | A kind of single cylinder buffer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208816447U (en) |
-
2018
- 2018-10-23 CN CN201821716821.5U patent/CN208816447U/en active Active
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