CN105605026B - A kind of hydraulic piston component in quick time - Google Patents
A kind of hydraulic piston component in quick time Download PDFInfo
- Publication number
- CN105605026B CN105605026B CN201510973265.4A CN201510973265A CN105605026B CN 105605026 B CN105605026 B CN 105605026B CN 201510973265 A CN201510973265 A CN 201510973265A CN 105605026 B CN105605026 B CN 105605026B
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- CN
- China
- Prior art keywords
- end cap
- piston
- spring
- section
- limit journey
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads
Abstract
The invention belongs to oilhydraulic engineering field, is related to the improvement to the hydraulic piston component in quick return.It is characterized in that：There is linkage section (3e) on the right of right section of the piston (3d) of described piston (3), by a return to neutral mechanism being made up of positioning sleeve (5), spring (6), left spring seat (10) and right spring base (7).The present invention proposes the hydraulic piston component in a kind of improved quick time, substantially reduces physical dimension, precision in improving back, simplifies sealing structure, reduce the configuration difficulty of handle structure.
Description
Technical field
The invention belongs to oilhydraulic engineering field, is related to the improvement to the hydraulic piston component in quick return.
Background technology
In with the design process of the hydraulic piston of function in returning, in the structure using dual spring configuration, pass through spring
11 with the effect of spring 13, and the problem of making piston rod 12 realize back middle function, being commonly encountered using the piston component of dual spring is pair
Spring configuration causes physical dimension excessive, and precision is low in returning, seal structure complex, and the configuration difficulty of handle structure is big.
The content of the invention
The purpose of the present invention is：The hydraulic piston component in a kind of improved quick time is proposed, to reduce physical dimension,
Precision in improving back, simplify sealing structure, reduce the configuration difficulty of handle structure.
The technical scheme is that：Hydraulic piston component in a kind of quick time, including left end cap 1, limit journey cover 2, lived
Plug 3, right end cap 4, left end cap inner seal ring 1a, left end cap exterior seal ring 1b, limit journey cover left sealing ring 2a, limit journey covers right sealing ring
2b, piston packing 3a, right end cap inner seal ring 4a and right end cap exterior seal ring 4b；Piston 3 is a Step Shaft, and it includes a left side
Left section of 3a of piston, piston section 3b and right section of 3d of piston are played, has piston seal groove 3c, piston packing 3g to be located on piston section 3b
In piston seal groove 3c；Left end cap 1 is a cylinder, has left end cap external seal groove on the external cylindrical surface of left end cap 1, in left end
There is left end cap interior sealing groove on the inner cylinder face of lid 1, left end cap exterior seal ring 1b is located in left end cap external seal groove, in left end cap
Sealing ring 1a is located in left end cap interior sealing groove, and left section of 3a of piston is located in the centre bore of left end cap 1 and keeps gap to coordinate；Limit
Journey set 2 is a cylinder, and the external diameter of limit journey set 2 is identical with the external diameter of left end cap 1, the left side and the right side of left end cap 1 of limit journey set 2
End face is bonded, and limited journey covers left seal groove on the left of the external cylindrical surface of limit journey set 2, limited on the right side of the external cylindrical surface of limit journey set 2
Journey covers right seal groove, and limit journey covers left sealing ring 2a and covered positioned at limit journey in left seal groove, and limit journey covers right sealing ring 2b positioned at limit journey set
In right seal groove, piston section 3b is in the centre bore of limit journey set 2 and keeps gap to coordinate；Right end cap 4 is a cylinder, right-hand member
The external diameter of lid 4 is identical with the external diameter of limit journey set 2, and the left side of right end cap 4 is bonded with the right side of limit journey set 2, in right end cap 4
There is right end cap external seal groove on external cylindrical surface, there is right end cap interior sealing groove, right end cap external seal on the inner cylinder face of right end cap 4
Circle 4b is located in right end cap external seal groove, and right end cap inner seal ring 4a is located in right end cap interior sealing groove, and right section of 3d of piston is located at
In the centre bore of right end cap 4 and gap is kept to coordinate；It is characterized in that：
A, there is linkage section 3e on the right of right section of 3d of piston of described piston 3, linkage section 3e external diameter is less than the piston right side
Section 3d external diameter, there is a pin-and-hole 3f radially penetrated on linkage section 3e, close to the position of right-hand member；An also He of pin 8
Bar 9 is accessed, access bar 9 is a cylinder, has a central blind hole 9a on the left side of access bar 9, in the outer of access bar 9
There are access lever pin the hole 9b, linkage section 3e of an insertion orthogonal with central blind hole 9a right-hand member insertion central blind hole 9a on the face of cylinder
Interior and keep gap to coordinate, pin 8 is located in the pin-and-hole 3f on linkage section 3e and access lever pin hole 9b and keeps being interference fitted；
B, by a return to neutral mechanism being made up of positioning sleeve 5, spring 6, left spring seat 10 and right spring base 7；Left spring seat
10 be the cylinder that a left port carries flange, and left spring seat 10 is enclosed on linkage section 3e and keeps gap to coordinate, left spring seat
The left side of 10 flanges is bonded with the right side of right end cap 4；Right spring base 7 be a right output port carry flange cylinder, right bullet
Spring abutment 7 is enclosed on linkage section 3e and keeps gap to coordinate, and the flange of right spring base 7 is enclosed on left bullet towards right, the left end of spring 6
On spring abutment 10, the right-hand member of spring 6 is enclosed on right spring base 7, and the left end of spring 6 withstands the end face of flange of left spring seat 10, spring 6
Right-hand member withstand the end face of flange of right spring base 7, the right side of right spring base 7 is bonded with accessing the left side of bar 9.
The beneficial effects of the invention are as follows：The hydraulic piston component in a kind of improved quick time is proposed, is substantially reduced
Physical dimension, precision in improving back, simplifies sealing structure, reduces the configuration difficulty of handle structure.One of the present invention
Embodiment, tests prove that, the axial length of hydraulic piston component reduces more than 40%.
Brief description of the drawings
Fig. 1 is the piston component schematic diagram during tradition can return.
Fig. 2 is the structural representation of the present invention.
Fig. 3 is the structural representation of piston in the present invention.
Fig. 4 is the structural representation that bar is accessed in the present invention.
Embodiment
The present invention is described in further detail below.Referring to Fig. 2 to Fig. 4, the hydraulic piston component in a kind of quick time,
It is left including left end cap 1, limit journey set 2, piston 3, right end cap 4, left end cap inner seal ring 1a, left end cap exterior seal ring 1b, limit journey set
Sealing ring 2a, limit journey cover right sealing ring 2b, piston packing 3a, right end cap inner seal ring 4a and right end cap exterior seal ring 4b；It is living
Plug 3 is a Step Shaft, and it includes left section of 3a of piston, piston section 3b and right section of 3d of piston from left to right, has piston on piston section 3b
Seal groove 3c, piston packing 3g are located in piston seal groove 3c；Left end cap 1 is a cylinder, in the external cylindrical surface of left end cap 1
On have left end cap external seal groove, have left end cap interior sealing groove on the inner cylinder face of left end cap 1, left end cap exterior seal ring 1b is located at
In left end cap external seal groove, left end cap inner seal ring 1a is located in left end cap interior sealing groove, and left section of 3a of piston is located at left end cap 1
In centre bore and gap is kept to coordinate；It is a cylinder to limit journey set 2, and the external diameter of limit journey set 2 is identical with the external diameter of left end cap 1, limit
The left side of journey set 2 is bonded with the right side of left end cap 1, and limited journey covers left seal groove on the left of the external cylindrical surface of limit journey set 2,
Limit limited journey on the right side of the external cylindrical surface of journey set 2 and cover right seal groove, limit journey covers left sealing ring 2a and covered positioned at limit journey in left seal groove, limit
Journey covers right sealing ring 2b and covered positioned at limit journey in right seal groove, and piston section 3b is in the centre bore of limit journey set 2 and keeps gap to match somebody with somebody
Close；Right end cap 4 is a cylinder, and the external diameter of right end cap 4 is identical with the external diameter of limit journey set 2, left side and the limit journey set of right end cap 4
2 right side fitting, has right end cap external seal groove on the external cylindrical surface of right end cap 4, has the right side on the inner cylinder face of right end cap 4
End cap interior sealing groove, right end cap exterior seal ring 4b are located in right end cap external seal groove, and right end cap inner seal ring 4a is located at right end cap
In interior sealing groove, right section of 3d of piston is located in the centre bore of right end cap 4 and keeps gap to coordinate；It is characterized in that：
A, there is linkage section 3e on the right of right section of 3d of piston of described piston 3, linkage section 3e external diameter is less than the piston right side
Section 3d external diameter, there is a pin-and-hole 3f radially penetrated on linkage section 3e, close to the position of right-hand member；An also He of pin 8
Bar 9 is accessed, access bar 9 is a cylinder, has a central blind hole 9a on the left side of access bar 9, in the outer of access bar 9
There are access lever pin the hole 9b, linkage section 3e of an insertion orthogonal with central blind hole 9a right-hand member insertion central blind hole 9a on the face of cylinder
Interior and keep gap to coordinate, pin 8 is located in the pin-and-hole 3f on linkage section 3e and access lever pin hole 9b and keeps being interference fitted；
B, by a return to neutral mechanism being made up of positioning sleeve 5, spring 6, left spring seat 10 and right spring base 7；Left spring seat
10 be the cylinder that a left port carries flange, and left spring seat 10 is enclosed on linkage section 3e and keeps gap to coordinate, left spring seat
The left side of 10 flanges is bonded with the right side of right end cap 4；Right spring base 7 be a right output port carry flange cylinder, right bullet
Spring abutment 7 is enclosed on linkage section 3e and keeps gap to coordinate, and the flange of right spring base 7 is enclosed on left bullet towards right, the left end of spring 6
On spring abutment 10, the right-hand member of spring 6 is enclosed on right spring base 7, and the left end of spring 6 withstands the end face of flange of left spring seat 10, spring 6
Right-hand member withstand the end face of flange of right spring base 7, the right side of right spring base 7 is bonded with accessing the left side of bar 9.
The present invention operation principle be：In piston 3 its axial one-sided configuration it is a set of can bi-directional compression spring mechanism, bullet
Spring 3 carries out precommpression by access bar 9 and alignment pin 8, is carried out by spring base 7 with spring base 10 spacing, and the spring base 7 of one end is by living
Fill in it is 3 spacing, the other end it is spacing by being positioned the access bar 9 that pin 8 fastens.During installation, it must configure and be fitted with spring precommpression length
The positioning sleeve 5 matched somebody with somebody, guarantee eliminate go back to intermediate gap, when 3 liang of chambers of piston are linked up, during piston 3 can be returned quickly under spring force.
Claims (1)
1. the hydraulic piston component in a kind of quick time, including left end cap (1), limit journey set (2), piston (3), right end cap (4), a left side
End cap inner seal ring (1a), left end cap exterior seal ring (1b), limit journey cover left sealing ring (2a), limit journey covers right sealing ring (2b), living
Plug sealing ring (3g), right end cap inner seal ring (4a) and right end cap exterior seal ring (4b)；Piston (3) is a Step Shaft, and it is wrapped
Piston from left to right left section (3a), piston section (3b) and piston right section (3d) are included, there is piston seal groove (3c) in piston section (3b), it is living
Plug sealing ring (3g) is located in piston seal groove (3c)；Left end cap (1) is a cylinder, on the external cylindrical surface of left end cap (1)
There is left end cap external seal groove, there is left end cap interior sealing groove, left end cap exterior seal ring (1b) position on the inner cylinder face of left end cap (1)
In in left end cap external seal groove, left end cap inner seal ring (1a) is located in left end cap interior sealing groove, and left section of piston (3a) is positioned at a left side
In the centre bore of end cap (1) and gap is kept to coordinate；It is a cylinder to limit journey set (2), the external diameter and left end cap of limit journey set (2)
(1) external diameter is identical, and the left side of limit journey set (2) is bonded with the right side of left end cap (1), in the external cylindrical surface of limit journey set (2)
The limited journey in left side covers left seal groove, and limited journey covers right seal groove on the right side of the external cylindrical surface of limit journey set (2), and limit journey covers left sealing ring
(2a) is covered in left seal groove positioned at limit journey, and limit journey covers right sealing ring (2b) and covered positioned at limit journey in right seal groove, piston section (3b) position
In limit journey set (2) centre bore in and keep gap to coordinate；Right end cap (4) is a cylinder, and the external diameter of right end cap (4) is with limiting journey
The external diameter of set (2) is identical, and the left side of right end cap (4) is bonded with the right side of limit journey set (2), the outside cylinder in right end cap (4)
There is right end cap external seal groove on face, there is right end cap interior sealing groove, right end cap exterior seal ring on the inner cylinder face of right end cap (4)
(4b) is located in right end cap external seal groove, and right end cap inner seal ring (4a) is located in right end cap interior sealing groove, piston right section (3d)
In the centre bore of right end cap (4) and gap is kept to coordinate；It is characterized in that：
A, there is linkage section (3e) on the right of right section of the piston (3d) of described piston (3), the external diameter of linkage section (3e), which is less than, lives
The external diameter of right section (3d) is filled in, there is a pin-and-hole (3f) radially penetrated on linkage section (3e), close to the position of right-hand member；Also one
Individual pin (8) and access bar (9), access bar (9) is a cylinder, has a center blind on the left side of access bar (9)
Hole (9a), there is the access lever pin hole (9b) of an insertion orthogonal with central blind hole (9a) on the external cylindrical surface of access bar (9), even
Connect in the right-hand member insertion central blind hole (9a) of section (3e) and keep gap to coordinate, pin (8) is located at the pin-and-hole on linkage section (3e)
In (3f) and access lever pin hole (9b) and keep being interference fitted；
B, by a return to neutral mechanism being made up of positioning sleeve (5), spring (6), left spring seat (10) and right spring base (7)；Left bullet
Spring abutment (10) is the cylinder that a left port carries flange, and left spring seat (10) is enclosed on linkage section (3e) and keeps gap to match somebody with somebody
Close, the left side of left spring seat (10) flange is bonded with the right side of right end cap (4)；Right spring base (7) is a right output port band
There is the cylinder of flange, right spring base (7) is enclosed on linkage section (3e) and keeps gap to coordinate, the flange direction of right spring base (7)
Right, the left end of spring (6) are enclosed on left spring seat (10), and the right-hand member of spring (6) is enclosed on right spring base (7), spring (6)
Left end withstands the end face of flange of left spring seat (10), and the right-hand member of spring (6) withstands the end face of flange of right spring base (7), right spring
The right side of seat (7) is bonded with the left side of access bar (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510973265.4A CN105605026B (en) | 2015-12-21 | 2015-12-21 | A kind of hydraulic piston component in quick time |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510973265.4A CN105605026B (en) | 2015-12-21 | 2015-12-21 | A kind of hydraulic piston component in quick time |
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| Publication Number | Publication Date |
|---|---|
| CN105605026A CN105605026A (en) | 2016-05-25 |
| CN105605026B true CN105605026B (en) | 2017-12-05 |
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| CN201510973265.4A Active CN105605026B (en) | 2015-12-21 | 2015-12-21 | A kind of hydraulic piston component in quick time |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107246424B (en) * | 2017-06-05 | 2018-10-19 | 中国北方车辆研究所 | Conjuncted hydraulic pump motor automatic cycle tests Pneumatic operating mechanism |
| CN109052013A (en) * | 2018-09-29 | 2018-12-21 | 张家港欣欣高纤股份有限公司 | A kind of polyester filament product processing high-speed spinning machine is to Tubular pipe fastener |
| CN111059096B (en) * | 2019-11-28 | 2020-11-27 | 同济大学 | Hydraulic centering locking actuating cylinder structure |
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| CN2837159Y (en) * | 2005-06-10 | 2006-11-15 | 嘉兴市新中南汽车零部件制造有限公司 | Oil-gas brake master cylinder |
| JP2008064273A (en) * | 2006-09-11 | 2008-03-21 | Ntn Corp | Hydraulic automatic tensioner |
| CN203111517U (en) * | 2012-12-27 | 2013-08-07 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Automatic aligning structure of refueling nozzle |
| CN203308825U (en) * | 2013-06-21 | 2013-11-27 | 中国人民解放军装甲兵工程学院 | Automatic precise neutral position return double extension lever cylinder |
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| CN105605026A (en) | 2016-05-25 |
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