CN208749911U - A kind of oil buffer of modified form adjustment structure - Google Patents
A kind of oil buffer of modified form adjustment structure Download PDFInfo
- Publication number
- CN208749911U CN208749911U CN201821493823.2U CN201821493823U CN208749911U CN 208749911 U CN208749911 U CN 208749911U CN 201821493823 U CN201821493823 U CN 201821493823U CN 208749911 U CN208749911 U CN 208749911U
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- rear end
- adjustment
- rear cover
- buffer
- regulation cock
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Abstract
The utility model provides a kind of oil buffer of modified form adjustment structure, and when adjusting the damping value of buffer, the entire length of buffer is constant, it is ensured that buffer can be applicable in different installation and use environment.It includes outer shell, inner tube, the forward end seal of the outer shell is connected with piston rod, the inner end of the piston rod connects corresponding piston, the inner cavity front end of said inner tube is stretched in the piston, the rear end of the outer shell is connected with rear cover, the intracavity posterior end of said inner tube is goed deep into the front end of the rear cover, central axial outage is provided on the front end of the rear cover, the end of the outage is communicated with column chamber, the corresponding periphery in column chamber front end is evenly equipped with radial by-pass prot, it is characterized by: it further includes flow regulation cock, adjust knob, adjust bolt screw rod, the flow adjusts the rear end installation cavity that embolism is loaded on the rear cover, the rear end protrusion of the flow regulation cock exposes to the rear cover, the rear end protrusion of the flow adjustment bolt is connected with adjustment knob.
Description
Technical field
The utility model relates to the technical field of oil buffer structure, specially a kind of oil pressure of modified form adjustment structure
Buffer.
Background technique
Industrial oil pressure buffer is can to absorb the dynamic of moving object applied to the energy absorbing element in automation industry
Can, it is allowed to steadily slow down to stablize to stop.It can be improved production efficiency, extend equipment life.Oil buffer is according to buffering effect
Classification has an adjustable type and non-adjustable integer, and non-adjustable integer refers to that the damping of buffer is fixed, not no oil circuit
Flow regulating orifices.There are flow regulating orifices inside adjustable type buffer, the sectional area size of metering orifice can be adjusted, to realize
The sectional area of the variation of damping force size, adjustment hole is bigger, and the hydraulic oil inside buffer is easier to pass through adjustment hole, buffering resistance
Buddhist nun's power is smaller.Otherwise the sectional area of adjustment hole is smaller, and hydraulic oil more not easily passs through, and the damping force of buffer just becomes larger.
Existing adjustable type buffer, the structure of adjustment include adjustment knob, steel ball, and steel ball is embedded in adjustment knob
Front end and the outage arrangement that is covered after of evagination, adjustment knob is axial and rear cover is threadedly coupled, and adjustment knob is threaded to bottom
Steel ball is bonded with the outage above rear cover when portion, and oil circuit is closed at this time, and the damping of buffer is maximum, when adjustment knob outward by
When gradually producing, steel ball becomes larger with the outage distance above rear cover, and the channel of outage becomes larger, buffer damping force
It can become smaller as the channel of outage becomes larger, be achieved in the function of buffer adjustment.It is adjustment that this structure, which has one disadvantage in that,
When knob produces outward, the total length of buffer be will increase, and the length of buffer can shorten again when inside precession, and total length will
It is a changing value, is not a fixed value；So that the installation and use of adjustable type buffer are restricted.
Summary of the invention
In view of the above-mentioned problems, the utility model provides a kind of oil buffer of modified form adjustment structure, adjusting
When the damping value of buffer, the entire length of buffer is constant, it is ensured that buffer can be applicable in different installation and use environment.
A kind of oil buffer of modified form adjustment structure, technical solution is such comprising outer shell, inner tube, institute
The forward end seal for stating outer shell is connected with piston rod, and the inner end of the piston rod connects corresponding piston, stretches in institute in the piston
The inner cavity front end of inner tube is stated, the rear end of the outer shell is connected with rear cover, after the inner cavity of said inner tube is goed deep into the front end of the rear cover
End, is provided with central axial outage on the front end of the rear cover, and the end of the outage is communicated with column chamber, before the column chamber
Corresponding periphery is held to be evenly equipped with radial by-pass prot, it is characterised in that: it further includes flow regulation cock, adjustment knob, adjustment bolt silk
Bar, the flow adjust the rear end installation cavity that embolism is loaded on the rear cover, and the rear end protrusion of the flow regulation cock exposes to institute
Rear cover is stated, the rear end protrusion of the flow adjustment bolt is connected with adjustment knob, stretches in the front end plectrum of the flow regulation cock
The rear end outer ring surface of the rear end of column chamber, the adjustment bolt screw rod is threadedly coupled the corresponding internal screw thread of inner wall of the column chamber, described
The front end center for adjusting bolt screw rod is embedded with steel ball, the outage arrangement that the lordosis of the steel ball covers after being partially toward, described
The rear end of adjustment bolt screw rod is provided with inner groovy, and at least part of the plectrum is plugged in the inner groovy.
It is further characterized by:
The part for corresponding to the radial by-pass prot of the adjustment bolt screw rod is path part, ensure will not to stop from
The oil stream of outage outflow is to radial by-pass prot；
The inner groovy of the adjustment bolt screw rod is specially square groove, and the front end plectrum of the flow regulation cock is dialled for flat
Piece, it is ensured that be quickly and expediently installed；
Interior concave ring groove is provided on the outer ring surface of the main part of the flow regulation cock, the interior concave ring groove inner sleeve is equipped with
O-ring, the outer ring surface of the O-ring are close to the inner wall arrangement of the rear end installation cavity, it is ensured that sealing；
The rear end installation cavity corresponds at the position of the rear end face of the main part of the flow regulation cock embedded with button
Ring, the front end face of the retaining ring are close to the rear end face arrangement of the main part of the flow regulation cock, it is ensured that flow regulation cock
Axial position is fixed reliable；
The rear end of the flow regulation cock projects through the affixed adjustment knob of set screw.
After above-mentioned technical side, it will drive flow regulation cock when adjusting knob rotation and rotate together, flow regulation cock
Front end plectrum part can stir adjustment bolt screw rod rotation and be moved forward and backward, change position of the steel ball apart from outage, so as to adjust
The size of oil drain passage realizes the adjustment of buffer damping force, when this structural adjustment only adjustment bolt screw rod in buffer
The drawbacks of portion is moved forward and backward, and will not change buffer outer dimension, and total length changes when solving existing structure adjustment；It is being adjusted
When the damping value of whole buffer, the entire length of buffer is constant, it is ensured that buffer can be applicable in different installations and use ring
Border.
Detailed description of the invention
Fig. 1 is the section view figure structure schematic representation of the utility model；
Fig. 2 is flow regulation cock, the assembling stereogram for adjusting bolt screw rod；
Title corresponding to serial number is as follows in figure:
Outer shell 1, inner tube 2, piston rod 3, piston 4, rear cover 5, outage 6, column chamber 7, radial by-pass prot 8, flow regulation cock
9, rear end protrusion 91, front end plectrum 92, main part 93, interior concave ring groove 931, adjustment knob 10, adjustment bolt screw rod 11, outside rear end
Anchor ring 111, inner groovy 112, path part 113, rear end installation cavity 12, steel ball 13, O-ring 14, retaining ring 15, set screw 16.
Specific embodiment
A kind of oil buffer of modified form adjustment structure, is shown in Fig. 1, Fig. 2 comprising outer shell 1, inner tube 2, before outer shell 1
End is sealedly connected with piston rod 3, and the inner end of piston rod 3 connects corresponding piston 4, the inner cavity front end of inner tube 2 is stretched in piston 4,
The rear end of outer shell 1 is connected with rear cover 5, and the front end of rear cover 5 gos deep into the intracavity posterior end of inner tube 2, is provided with center on the front end of rear cover 5
Axial outage 6, the end of outage 6 are communicated with column chamber 7, and the corresponding periphery in 7 front end of column chamber is evenly equipped with radial by-pass prot 8,
It further include flow regulation cock 9, adjustment knob 10, adjustment bolt screw rod 11, the plug of flow regulation cock 9 is loaded on the rear end installation cavity of rear cover 5
12, the rear end protrusion 91 of flow regulation cock 9 exposes to rear cover 5, and the rear end protrusion 91 of flow adjustment bolt 9 is connected with adjustment knob
10, the rear end of column chamber 7 is stretched in the front end plectrum 92 of flow regulation cock 9,111 screw thread of rear end outer ring surface of adjustment bolt screw rod 11 connects
The corresponding internal screw thread of inner wall of column chamber 7 is connect, the front end center of adjustment bolt screw rod 11 is embedded with steel ball 13, the preceding convex portion of steel ball 13
It is arranged towards the outage 6 on rear cover 5, the rear end of adjustment bolt screw rod 11 is provided with inner groovy 112, and at least the one of front end plectrum 92
Part is plugged in inner groovy 112.
The part for corresponding to radial by-pass prot 8 for adjusting bolt screw rod 11 is path part 113, ensures to stop from row
The oil stream that oilhole 6 flows out is to radial by-pass prot 8；
The inner groovy 112 for adjusting bolt screw rod 11 is specially square groove, and the front end plectrum 92 of flow regulation cock 9 is dialled for flat
Piece, it is ensured that be quickly and expediently installed；
Interior concave ring groove 931, suit in interior concave ring groove 931 are provided on the outer ring surface of the main part 93 of flow regulation cock 9
There is O-ring 14, the outer ring surface of O-ring 14 is close to the inner wall arrangement of rear end installation cavity 12, it is ensured that sealing；
Rear end installation cavity 12, which corresponds to, is embedded with retaining ring at the position of the rear end face of the main part 93 of flow regulation cock 9
15, the front end face of retaining ring 15 is close to the rear end face arrangement of the main part 93 of flow regulation cock 9, it is ensured that the axis of flow regulation cock 9
It is fixed reliable to position；
The rear end protrusion 91 of flow regulation cock 9 passes through the affixed adjustment knob 10 of set screw 16.
It will drive flow regulation cock when adjusting knob rotation to rotate together, the front end plectrum part of flow regulation cock can dial
Dynamic adjustment bolt screw rod rotation is moved forward and backward, and changes position of the steel ball apart from outage, so as to adjust the size of oil drain passage, is realized
The adjustment of buffer damping force, only adjustment bolt screw rod is moved forward and backward inside buffer when this structural adjustment, will not be changed
The drawbacks of buffer outer dimension, total length changes when solving existing structure adjustment.
Specific embodiment of the utility model is described in detail above, but content is only what the utility model was created
Preferred embodiment should not be construed as limiting the practical range of the utility model creation.All create according to the utility model is applied
All the changes and improvements made by range etc., shall still fall within the scope of this patent.
Claims (6)
1. a kind of oil buffer of modified form adjustment structure comprising the forward end seal of outer shell, inner tube, the outer shell is connected with
Piston rod, the inner end of the piston rod connect corresponding piston, and the inner cavity front end of said inner tube is stretched in the piston, described outer
The rear end of cylinder is connected with rear cover, and the front end of the rear cover is goed deep into the intracavity posterior end of said inner tube, is arranged on the front end of the rear cover
There is central axial outage, the end of the outage is communicated with column chamber, and the corresponding periphery in column chamber front end is evenly equipped with radial direction
By-pass prot, it is characterised in that: it further includes flow regulation cock, adjustment knob, adjustment bolt screw rod, and the flow adjusts embolism and is loaded on
The rear end installation cavity of the rear cover, the rear end protrusion of the flow regulation cock expose to the rear cover, the flow adjustment bolt
Rear end protrusion is connected with adjustment knob, and the rear end of column chamber, the adjustment bolt silk are stretched in the front end plectrum of the flow regulation cock
The rear end outer ring surface of bar is threadedly coupled the corresponding internal screw thread of inner wall of the column chamber, and the front end center of the adjustment bolt screw rod is embedded in
The outage arrangement covered after having steel ball, the lordosis of the steel ball to be partially toward, the rear end of the adjustment bolt screw rod are provided with interior
Groove, at least part of the plectrum are plugged in the inner groovy.
2. a kind of oil buffer of modified form adjustment structure as described in claim 1, it is characterised in that: the adjustment bolt silk
The part for corresponding to the radial by-pass prot of bar is path part.
3. a kind of oil buffer of modified form adjustment structure as described in claim 1, it is characterised in that: the adjustment bolt silk
The inner groovy of bar is specially square groove, and the front end plectrum of the flow regulation cock is flat plectrum.
4. a kind of oil buffer of modified form adjustment structure as described in claim 1, it is characterised in that: the flow is adjusted
Be provided with interior concave ring groove on the outer ring surface of the main part of bolt, the interior concave ring groove inner sleeve is equipped with O-ring, the O-ring it is outer
Anchor ring is close to the inner wall arrangement of the rear end installation cavity.
5. a kind of oil buffer of modified form adjustment structure as described in claim 1, it is characterised in that: the rear end installation
Chamber, which corresponds to, is embedded with retaining ring at the position of the rear end face of the main part of the flow regulation cock, the front end face of the retaining ring is tight
Paste the rear end face arrangement of the main part of the flow regulation cock.
6. a kind of oil buffer of modified form adjustment structure as described in claim 1, it is characterised in that: the flow is adjusted
The rear end of bolt projects through the affixed adjustment knob of set screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821493823.2U CN208749911U (en) | 2018-09-13 | 2018-09-13 | A kind of oil buffer of modified form adjustment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821493823.2U CN208749911U (en) | 2018-09-13 | 2018-09-13 | A kind of oil buffer of modified form adjustment structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208749911U true CN208749911U (en) | 2019-04-16 |
Family
ID=66084101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821493823.2U Active CN208749911U (en) | 2018-09-13 | 2018-09-13 | A kind of oil buffer of modified form adjustment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208749911U (en) |
-
2018
- 2018-09-13 CN CN201821493823.2U patent/CN208749911U/en active Active
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