CN204267589U - A kind of slowly backhaul type nitrogen spring - Google Patents

A kind of slowly backhaul type nitrogen spring Download PDF

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Publication number
CN204267589U
CN204267589U CN201420651322.8U CN201420651322U CN204267589U CN 204267589 U CN204267589 U CN 204267589U CN 201420651322 U CN201420651322 U CN 201420651322U CN 204267589 U CN204267589 U CN 204267589U
Authority
CN
China
Prior art keywords
nitrogen
piston rod
cylinder barrel
way valve
nitrogen spring
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
Application number
CN201420651322.8U
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Chinese (zh)
Inventor
李世辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaoyang Xingda Precision Machinery Manufacturing Co Ltd
Original Assignee
Shaoyang Xingda Precision Machinery Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shaoyang Xingda Precision Machinery Manufacturing Co Ltd filed Critical Shaoyang Xingda Precision Machinery Manufacturing Co Ltd
Priority to CN201420651322.8U priority Critical patent/CN204267589U/en
Application granted granted Critical
Publication of CN204267589U publication Critical patent/CN204267589U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of slowly backhaul type nitrogen spring, it is made up of with cylinder barrel (3) piston rod (1), guide holder (2), and in piston rod (1) major part part, piston ring (7), one-way valve (8), two-way sealing ring (9), air vent screw (13) are installed, and be provided with secondary air cavity (12) thereon; Guide holder (2) is provided with anti-extreme pressure solid lubricating composite material (4), O type circle (5), seal ring (6); Cylinder barrel (3) is provided with nitrogen inflation inlet plug screw (10), main air cavity (11), nitrogen inflation inlet one-way valve (14); Slowly backhaul type nitrogen spring cushioning effect is better for this, and the solid lubricating composite material of embedding is constantly provided in rubbing surface, the good lubrication to friction pair when ensure that long-time running, like this, reduce kinematic friction coefficient, make the wear-resisting property of nitrogen spring good, working life is longer.

Description

A kind of slowly backhaul type nitrogen spring
technical field:
The utility model relates to a kind of nitrogen spring, especially relates to a kind of nitrogen spring in use with slow backhaul effect.
background technique:
In mould industry, use elastic element in a large number always; In these years, Tool and Die Technology and Making mold level have a great development and improve, and the demand of industrial products to mould is increasing, and mould develops rapidly towards accurate, complicated, efficient, long-life direction.And original conventional elastic means also exists certain shortcoming, the needs of this situation can not be met, the requirement of stamping process can not be solved ideally, often affect stamping part quality, make mould structure design become more complicated, affect the time that mould is changed on press machine; Simultaneously the die space that occupies of conventional elastic means is too large, increases the cost of Making mold; And nitrogen spring can make up above-mentioned deficiency, simplify Design of Dies, manufacture, facilitate die adjustment; It can as individual components, install and use in a mold, also a kind of nitrogen spring system can be designed to, as a part for mould, work, easily can realize the constant and deferred action of elastic force pressure in systems in which, it is a kind of elastic member with flex capability, nitrogen spring not only can be applied widely in die industry, also can be applied to other industrial fields, as industries such as automobile, electronics, instrument.
The novel elastic assembly of nitrogen spring to be a kind of with high pressure nitrogen be working medium, can replace common elastic original paper, complete the performance that conventional elastic means has been difficult to; Nitrogen spring is in die industry extensive use, and at present, in the structural design of nitrogen spring, piston rod is relevant with the active force applied thereon when backhaul, can not depart from the slow backhaul of active force of applying, the mould that some has buffer requirements just cannot use.
summary of the invention:
The purpose of this utility model makes nitrogen spring piston rod energy slowly backhaul in the course of the work to realize, and meets the requirement of various mould, provide a kind of slowly backhaul type nitrogen spring.
The utility model adopts following technological scheme to realize its goal of the invention: a kind of slowly backhaul type nitrogen spring, it is made up of with cylinder barrel 3 piston rod 1, guide holder 2, and in piston rod 1 major part part, piston ring 7, one-way valve 8, two-way sealing ring 9, air vent screw 13 are installed, and be provided with secondary air cavity 12 thereon; Guide holder 2 is provided with anti-extreme pressure solid lubricating composite material 4, O type circle 5, seal ring 6; Cylinder barrel 3 is provided with nitrogen inflation inlet plug screw 10, main air cavity 11, nitrogen inflation inlet one-way valve 14; Wherein nitrogen inflation inlet plug screw 10 and nitrogen fill mouthful one-way valve 14 and are positioned at cylinder barrel 3 bottom, and main air cavity 11 is positioned at cylinder barrel 3 bottom.
The utility model is in order to significantly reduce fretting wear, and the good lubrication to friction pair during guarantee long-time running, is provided with anti-extreme pressure solid lubricating composite material 4; Anti-extreme pressure solid lubricating composite material 4 is arranged on guide holder 2.
The utility model, in order to make nitrogen spring piston rod energy slowly backhaul in the course of the work, meets the requirement of various mould, is provided with one-way valve 8 and two-way sealing ring 9; One-way valve 8 is symmetrical, is installed in piston rod 1 major part part; Moved up and down by piston rod 1 and coordinate the opening and closing of one-way valve 8 and the effect of seal ring 9, reach cushioning effect.
The utility model, in order to the function of the pressure release that realizes automatically ventilating when two-way pressure exceedes certain value, is provided with air vent screw 13; Air vent screw 13 is arranged on piston rod 1 bottom.
Owing to have employed above technological scheme, the utility model achieves its model utility object preferably, when this slow backhaul type nitrogen spring piston rod moves downward, one-way valve opens, upper and lower cavity communicates, during piston rod backhaul, closed check valve, upper and lower cavity is communicated by air vent screw, produces back pressure, reach cushioning effect during backhaul in cylinder; The solid lubricating composite material embedded constantly is provided in rubbing surface, and the good lubrication to friction pair when ensure that long-time running, like this, reduces kinematic friction coefficient, make the wear-resisting property of nitrogen spring good, long service life.
accompanying drawing illustrates:
Accompanying drawing 1 is overall cross-sectional view of the present utility model.
Accompanying drawing 2 is cross-sectional view of the utility model mark 1.
Accompanying drawing 3 is structural representations of the utility model mark 1.
Accompanying drawing 4 is cross-sectional view of the utility model mark 2.
Accompanying drawing 5 is structural representations of the utility model mark 2.
Accompanying drawing 6 is cross-sectional view of the utility model mark 3.
Accompanying drawing 7 is structural representations of the utility model mark 3.
Description of reference numerals is shown in specification last page form.
embodiment:
Below in conjunction with accompanying drawing, model utility content is described further:
embodiment 1:
From summary of the invention, a kind of slowly backhaul type nitrogen spring, it is formed with cylinder barrel 3, and is provided with piston ring 7, one-way valve 8, two-way sealing ring 9, air vent screw 13 in piston rod 1 major part part by piston rod 1, guide holder 2, and be provided with secondary air cavity 12 thereon; Guide holder 2 is provided with anti-extreme pressure solid lubricating composite material 4, O type circle 5, seal ring 6; Cylinder barrel 3 is provided with nitrogen inflation inlet plug screw 10, main air cavity 11, nitrogen inflation inlet one-way valve 14; Wherein nitrogen inflation inlet plug screw 10 and nitrogen inflation inlet one-way valve 14 are positioned at cylinder barrel 3 bottom, and main air cavity 11 is positioned at cylinder barrel 3 bottom.
The utility model is in order to significantly reduce fretting wear, and the good lubrication to friction pair during guarantee long-time running, is provided with anti-extreme pressure solid lubricating composite material 4; Anti-extreme pressure solid lubricating composite material 4 is arranged on guide holder 2.
The utility model, in order to make nitrogen spring piston rod energy slowly backhaul in the course of the work, meets the requirement of various mould, is provided with one-way valve 8 and two-way sealing ring 9; One-way valve 8 is symmetrical, is installed in piston rod 1 major part part; Moved up and down by piston rod 1 and coordinate the opening and closing of one-way valve 8 and the effect of seal ring 9, reach cushioning effect.
The utility model, in order to the function of the pressure release that realizes automatically ventilating when two-way pressure exceedes certain value, is provided with air vent screw 13; Air vent screw 13 is arranged on piston rod 1 bottom.
Piston rod 1 described in the utility model refers to: piston rod; Which is provided with air cavity channel 1-1, piston ring mounting groove 1-2, two-way sealing ring mounting groove 1-3; Its effect is as straight optical axis; Its structure is as shown in accompanying drawing 2,3, and its design attitude is as marked shown in 1 in accompanying drawing 1.
Air cavity channel 1-1 described in the utility model refers to: the passage being located at piston rod 1 major part part; Its effect connects major and minor air cavity; Its design attitude is as marked shown in 1-1 in accompanying drawing 2,3.
Piston ring mounting groove 1-2 described in the utility model refers to: the mounting groove being located at piston rod 1 major part portion of external; Its effect is the installation for piston ring 7; Its design attitude is as marked shown in 1-2 in accompanying drawing 2,3.
Two-way sealing ring mounting groove 1-3 described in the utility model refers to: the mounting groove being located at piston rod 1 major part portion of external; Its effect is the installation for two-way sealing ring 9; Its design attitude is as marked shown in 1-3 in accompanying drawing 2,3.
Guide holder 2 described in the utility model refers to: guide holder; Which is provided with anti-extreme pressure solid lubricating composite material mounting groove 2-1, piston rod mating hole 2-2, seal ring mounting groove 2-3, O type circle mounting groove 2-4; Its effect is piston rod 1 channeling direction; Its structure is as shown in accompanying drawing 4,5, and its design attitude is as marked shown in 2 in accompanying drawing 1.
Anti-extreme pressure solid lubricating composite material mounting groove 2-1 described in the utility model refers to: be located at the mounting groove on guide holder 2; Its effect is the installation for anti-extreme pressure solid lubricating composite material 4; Its design attitude is as marked shown in 2-1 in accompanying drawing 4.
Piston rod mating hole 2-2 described in the utility model refers to: the installation mating hole being located at guide holder 2 inside; Its effect is installation and the work of being convenient to piston rod 1; Its design attitude is as marked shown in 2-2 in accompanying drawing 4,5.
Seal ring mounting groove 2-3 described in the utility model refers to: the mounting groove being located at guide holder 2 inside; Its effect is the installation for seal ring 6; Its design attitude is as marked shown in 2-3 in accompanying drawing 4.
O type circle mounting groove 2-4 described in the utility model refers to: the mounting groove being located at guide holder 2 outside; Its effect is the installation for O type circle 5; Its design attitude is as marked shown in 2-4 in accompanying drawing 4,5.
Cylinder barrel 3 described in the utility model refers to: cylinder barrel; Which is provided with cylinder barrel chamber 3-1, nitrogen air-filled pore 3-2; As illustrated in 6,7, its design attitude is as marked shown in 3 in accompanying drawing 1 for its structure.
Cylinder barrel chamber 3-1 described in the utility model refers to: cylinder barrel 3 internal cavities; Its effect is as the main installation of nitrogen spring, active chamber; Its design attitude is as marked shown in 3-1 in accompanying drawing 6,7.
Nitrogen air-filled pore 3-2 described in the utility model refers to: the air-filled pore being located at cylinder barrel 3 bottom; Its effect is inflated with nitrogen; Its design attitude is as marked shown in 3-2 in accompanying drawing 6,7.
Anti-extreme pressure solid lubricating composite material 4 described in the utility model refers to: composite material; Its effect significantly reduces fretting wear, the good lubrication to friction pair during guarantee long-time running; Its design attitude is as marked shown in 4 in accompanying drawing 1.
O type circle 5 described in the utility model refers to: be arranged on the O type circle on guide holder 2; Its effect is as seal element; Its design attitude is as marked shown in 5 in accompanying drawing 1.
Seal ring 6 described in the utility model refers to: be arranged on the seal ring on guide holder 2; Its effect is as seal element; Its design attitude is as marked shown in 6 in accompanying drawing 1.
Piston ring 7 described in the utility model refers to: be arranged on the piston ring on piston rod 1; Guiding is formed in ring periphery and cylinder; Its design attitude is as marked shown in 7 in accompanying drawing 1.
One-way valve 8 described in the utility model refers to: be arranged on the one-way valve on piston rod 1; Its effect prevents pressurized air reverse flow; Its design attitude is as marked shown in 8 in accompanying drawing 1.
Two-way sealing ring 9 described in the utility model refers to: be arranged on the two-way sealing ring on piston rod 1; Its effect is as two way sealed element; Its design attitude is as marked shown in 9 in accompanying drawing 1.
Nitrogen inflation inlet plug screw 10 described in the utility model refers to: the plug screw being arranged on cylinder barrel 3 bottom; Its effect clogs nitrogen inflation inlet; Its design attitude is as marked shown in 10 in accompanying drawing 1.
Main air cavity 11 described in the utility model refers to: the primary gas chamber of nitrogen; Its effect is the main domain of the existence as nitrogen; Its design attitude is as marked shown in 11 in accompanying drawing 1.
Secondary air cavity 12 described in the utility model refers to: nitrogen top and the bottom venting cavity; Its effect is that top and the bottom are communicated; Its design attitude is as marked shown in 12 in accompanying drawing 1.
Air vent screw 13 described in the utility model refers to: be arranged on the air vent screw on guide holder 2; Its effect is pressure release of automatically ventilating when two-way pressure exceedes certain value; Its design attitude is as marked shown in 13 in accompanying drawing 1.
Nitrogen described in the utility model fills mouthful one-way valve 14 and refers to: the one-way valve being arranged on cylinder barrel 3 bottom; Its effect controls nitrogen only import but no export; Its design attitude is as marked shown in 14 in accompanying drawing 1.
Reference numerals Mark title Reference numerals Mark title
1 Piston rod 1 4 Anti-extreme pressure solid lubricating composite material 4
1-1 Air cavity channel 1-1 5 O type circle 5
1-2 Piston ring mounting groove 1-2 6 Seal ring 6
1-3 Two-way sealing ring mounting groove 1-3 7 Piston ring 7
2 Guide holder 2 8 One-way valve 8
2-1 Anti-extreme pressure solid lubricating composite material mounting groove 2-1 9 Two-way sealing ring 9
2-2 Piston rod mating hole 2-2 10 Nitrogen inflation inlet plug screw 10
2-3 Seal ring mounting groove 2-3 11 Main air cavity 11
2-4 O type circle mounting groove 2-4 12 Secondary air cavity 12
3 Cylinder barrel 3 13 Air vent screw 13
3-1 Cylinder barrel chamber 3-1 14 Nitrogen inflation inlet one-way valve 14
3-2 Nitrogen air-filled pore 3-2

Claims (2)

1. a slow backhaul type nitrogen spring, it is characterized in that it is made up of with cylinder barrel (3) piston rod (1), guide holder (2), and in piston rod (1) major part part, piston ring (7), one-way valve (8), two-way sealing ring (9), air vent screw (13) are installed, and be provided with secondary air cavity (12) thereon; Guide holder (2) is provided with anti-extreme pressure solid lubricating composite material (4), O type circle (5), seal ring (6); Cylinder barrel (3) is provided with nitrogen inflation inlet plug screw (10), main air cavity (11), nitrogen inflation inlet one-way valve (14); Wherein nitrogen inflation inlet plug screw (10) and nitrogen fill a mouthful one-way valve (14) and are positioned at cylinder barrel (3) bottom, and main air cavity (11) is positioned at cylinder barrel (3) bottom.
2. one according to claim 1 slow backhaul type nitrogen spring, is characterized in that being provided with air vent screw (13); Air vent screw (13) is arranged on piston rod (1) bottom.
CN201420651322.8U 2014-11-04 2014-11-04 A kind of slowly backhaul type nitrogen spring Expired - Fee Related CN204267589U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420651322.8U CN204267589U (en) 2014-11-04 2014-11-04 A kind of slowly backhaul type nitrogen spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420651322.8U CN204267589U (en) 2014-11-04 2014-11-04 A kind of slowly backhaul type nitrogen spring

Publications (1)

Publication Number Publication Date
CN204267589U true CN204267589U (en) 2015-04-15

Family

ID=52802460

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420651322.8U Expired - Fee Related CN204267589U (en) 2014-11-04 2014-11-04 A kind of slowly backhaul type nitrogen spring

Country Status (1)

Country Link
CN (1) CN204267589U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105508486A (en) * 2016-01-15 2016-04-20 李长鸿 Permanent magnet high pressure nitrogen spring
CN105565109A (en) * 2015-12-28 2016-05-11 太原理工大学 Combined type elevator buffer and working method thereof
CN105775956A (en) * 2016-03-31 2016-07-20 张巍 Portable energy storage type oil storage tank and construction elevator grease lubrication complete equipment
CN105909715A (en) * 2016-06-08 2016-08-31 张艳东 Adjustable delay type nitrogen spring
CN107763130A (en) * 2016-08-18 2018-03-06 大连精维液压技术有限公司 Unitary adjustable section postpones nitrogen spring
CN108843716A (en) * 2018-07-27 2018-11-20 南京航空航天大学 A kind of straight line cushion separation of the pneumatic type of unmanned vehicle

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105565109A (en) * 2015-12-28 2016-05-11 太原理工大学 Combined type elevator buffer and working method thereof
CN105508486A (en) * 2016-01-15 2016-04-20 李长鸿 Permanent magnet high pressure nitrogen spring
CN105775956A (en) * 2016-03-31 2016-07-20 张巍 Portable energy storage type oil storage tank and construction elevator grease lubrication complete equipment
CN105775956B (en) * 2016-03-31 2019-05-24 张巍 Portable energy-storage type oil storage tank and construction elevator butter lubricate complete set of equipments
CN105909715A (en) * 2016-06-08 2016-08-31 张艳东 Adjustable delay type nitrogen spring
CN105909715B (en) * 2016-06-08 2017-11-10 张艳东 The adjustable delay nitrogen spring of one kind
CN107763130A (en) * 2016-08-18 2018-03-06 大连精维液压技术有限公司 Unitary adjustable section postpones nitrogen spring
CN108843716A (en) * 2018-07-27 2018-11-20 南京航空航天大学 A kind of straight line cushion separation of the pneumatic type of unmanned vehicle

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150415

Termination date: 20171104