CN201391564Y - Non-rotatable type lifting locking gas spring - Google Patents
Non-rotatable type lifting locking gas spring Download PDFInfo
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- CN201391564Y CN201391564Y CN200920117759U CN200920117759U CN201391564Y CN 201391564 Y CN201391564 Y CN 201391564Y CN 200920117759 U CN200920117759 U CN 200920117759U CN 200920117759 U CN200920117759 U CN 200920117759U CN 201391564 Y CN201391564 Y CN 201391564Y
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- shaped aluminum
- air spring
- valve body
- lifting locking
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Abstract
The utility model relates to a non-rotatable type lifting locking gas spring of lifting regulating devices, and is designed for the technical problems of non-rotatable lifting and locking of an existing gas spring. The non-rotatable type lifting locking gas spring is characterized in that the other end of an outer pipe is sleeved in the inside diameter of a special-shaped aluminum cylinder, the special-shaped aluminum cylinder is sleeved in the inside diameter of a bushing core, outside diameters of the outer pipe, the special-shaped aluminum cylinder and the bushing core are in a three-stage step, and the convex portion of the special-shaped aluminum cylinder corresponds to the concave portion of the bushing core. The special-shaped aluminum cylinder is at least provided with a convex portion, and the number of the convex portion of the special-shaped aluminum cylinder corresponds to the number of the concave portion of the bushing core. The non-rotatable type lifting locking gas spring has the characteristics of portable supporting, angle positioning and lifting, simple and flexible operation, convenient installation, excellent gas tightness and even and stable power, and is suitable for matching with brackets of a lifting chair, a body builder seat and the like.
Description
Technical field
The utility model relates to elevation and subsidence regulating device, is a kind of non-rotating lifting locking air spring.
Background technique
Air spring is a kind ofly can play support, buffering, braking, highly regulate and the accessory of function such as angle adjustment, is widely used in fields such as medical equipment, automobile, furniture, Weaving device, processing industry.Its basic principle is: or in airtight cavity, be pressed into inert gas and oil gas mixture, owing to be provided with through hole at internal piston, piston two ends gas pressure equates, and the sectional area difference of piston both sides, one termination has piston rod and the other end does not have, and under the gas pressure effect, produces the pressure to the little side of sectional area, be the elastic force of air spring, the size of elastic force can be set by the piston rod that different nitrogen pressures or different-diameter are set.According to different characteristics and application, air spring be otherwise known as strut, angle-modulator, pressure rod, damper etc.According to the 26S Proteasome Structure and Function of air spring, air spring mainly contains free type air spring, self locking type air spring, arbitrarily stop the supple of gas or steam spring, towed air spring, damper is several.As the application number ZL98100494.6 of Chinese patent literature publication, open day on September 15th, 1999, publication number CN1228284A, denomination of invention " armoured rigid locking lift ", the thrust bearing of this lift device can rotate freely conduit in column jecket.But above-mentioned air spring product great majority are by rotary lifting, locking, and the air spring product of wherein non-rotating lifting, locking is less.
Summary of the invention
For overcoming above-mentioned deficiency, the utility model purpose is to provide a kind of non-rotating lifting locking air spring to related domain, solves the technical problem of existing air spring by non-rotating lifting, locking.Specifically realize by the following technical solutions.
A kind of non-rotating lifting locking air spring, outer tube one end of this air spring is provided with switch starter, and the axle bush core retainer plate is gone into outer sleeve; Be provided with piston rod in the outer sleeve, piston rod passes plane bearing, outer sleeve bottom is connected with jump ring, and the plane bearing both sides are respectively equipped with second pad, the 3rd pad, and jump ring and outer sleeve bottom joint are provided with the 4th pad.Its key points in design is the internal diameter that the other end of described outer tube is inserted in special-shaped aluminum barrel, and special-shaped aluminum barrel is inserted in the internal diameter of axle bush core, and outer tube, special-shaped aluminum barrel, axle bush core three external diameter are three grades of ladders; By the relative displacement between piston rod and the interior pipe, drive special-shaped aluminum barrel and in outer sleeve, produce the lifting variation.The protuberance of abnormity aluminum barrel is corresponding with the recess of axle bush core.By concavo-convex cooperation, special-shaped aluminum barrel is done the lifting or the locking of non-rotating at the axle bush in-core.
Described special-shaped aluminum barrel is provided with a protuberance at least, and the protuberance number of special-shaped aluminum barrel is corresponding with the recess number of axle bush core.The protuberance of the special-shaped aluminum barrel of many groups cooperates with the recess of corresponding axle bush core, has improved the stability of special-shaped aluminum barrel in the lifting of axle bush in-core.
The plastic bushing of an end is connected with valve body in the described outer tube, and valve body is connected with interior pipe, and the internal diameter joint of valve body external diameter and outer tube, interior pipe is provided with O shape circle.Starting component two ends in the plastic bushing offset with switch starter, needle respectively, the startup by switch starter control needle and closing.Pressurized gas are sealed in outer tube, the interior pipe, make the pressure that puts on the piston both sides average, stable.
Described inner tube diameter is provided with lining, and lining is connected with valve body, and the pressurized gas in outer tube, the interior pipe maintain a certain distance when making valve body and piston retraction by lining.
Described valve body is provided with damping hole, and damping hole communicates with valve, and the valve mouth is provided with little spacer, and septulum cover external diameter is provided with the 2nd O shape circle; Needle is inserted in valve body, and needle is connected with valve block, and the needle end is provided with first pad.The damping hole of valve body communicates with outer, interior pipe, by the pressure balance at needle regulating piston two ends.
The guide sleeve of the other end is axially arranged with Y shape circle in the described outer tube, and Y shape circle is connected with spacer, and spacer is connected with interior pipe, and guide sleeve is connected with cushion pad, and piston rod is inserted in Y shape circle, guide sleeve, spacer, cushion pad.Guide sleeve is fixed in outer tube diameter, and interior pipe is fixed in spacer, and piston rod and outer tube diameter keep air-tight fit.
Be provided with piston in the pipe in described, piston is connected with piston rod, and the joint of piston and inner tube diameter is provided with the 3rd O shape circle.Piston and inner tube diameter constitute air-tight fit, and by interior pipe and piston rod relative displacement, special-shaped aluminum barrel produces lifting to be changed.
The utility model support, angular positioning, lifting are light, and simple to operate easy for installation, it is good to have tightness flexibly, and the characteristics that power is on average stable are suitable for support equippeds such as lifting chair, fitness equipment seat.
Description of drawings
Fig. 1 is the structural representation that partly cuts open of the present utility model, and A, B portion have done to confine among the figure.
Fig. 2 is the A portion enlarged view of Fig. 1.
Fig. 3 is the B portion enlarged view of Fig. 1.
Fig. 4 is a special-shaped aluminum barrel part sectional structure schematic representation of the present utility model.
Fig. 5 is an axle bush core segment sectional structure schematic representation of the present utility model.
Fig. 6 is a special-shaped aluminum barrel deployed condition schematic representation of the present utility model.
Fig. 7 is a special-shaped aluminum barrel contraction state schematic representation of the present utility model.
Above figure number and title: 1, switch starter, 2, plastic bushing, 3, the one O shape circle, 4, valve body, 5, the 2nd O shape circle, 6, little spacer, 7, needle, 8, valve block, 9, first pad, 10, lining, 11, interior pipe, 12, outer tube, 13, the axle bush core, 1301, recess, 14, outer sleeve, 15, piston, 16, the 3rd O shape circle, 17, spacer, 18, Y shape circle, 19, guide sleeve, 20, cushion pad, 21, piston rod, 22, second pad, 23, plane bearing, 24, the 3rd pad, 25, the 4th pad, 26, jump ring, 27, the abnormity aluminum barrel, 2701, protuberance, 28, hexagon socket head cap screw, 29, damping hole, 30, valve.
Embodiment
Mode of execution further describes with the utility model embodiment's structure and actual the use in conjunction with the accompanying drawings.As shown in Figure 1, overcoat 12 is inserted in special-shaped aluminum barrel 27, and special-shaped aluminum barrel is inserted in axle bush core 13, and the axle bush core retainer plate is gone into outer sleeve 14, pipe 11 in being provided with in the overcoat.Hex head bolt 28 by interior upper/lower terminal is fixedlyed connected with outer tube.The joint of valve body 4 and outer tube diameter is provided with O shape circle 3, and the joint of valve body and inner tube diameter is provided with O shape circle, and septulum cover 6 is inserted in the 2nd O shape circle 5, joint the 3rd O shape circle 16 of piston 15 and inner tube diameter.Piston rod 21 ends are inserted in plane bearing 23, and piston-rod end is connected with jump ring 26, and are fixed in the bottom of outer sleeve 14, and jump ring is fixed in the bottom outside of outer sleeve by the 4th pad 25.The bottom inside of outer sleeve is fixed in the plane bearing both sides by second pad 22, the 3rd pad 24.As shown in Figure 2, needle 7 is inserted in valve body, and the 2nd O shape circle offsets with needle, by first pad 9, valve block 8 with the 2nd O shape enclose, little spacer is sealed in needle and valve body formation valve 30, valve body is connected with lining 10.As shown in Figure 3, piston rod is connected with piston, and piston rod is inserted in spacer 17, Y shape circle 18, guide sleeve 19, cushion pad 20.Piston and inner tube diameter, piston rod and outer tube diameter, valve body and outer tube diameter, valve body and inner tube diameter constitute air-tight fit, and pressurized gas are implemented different pressure in the piston both sides, and it is average, stable to keep putting on the pressure of piston both sides.
As Fig. 4, shown in Figure 5, the protuberance 2701 of the special-shaped aluminum barrel among the embodiment and the recess of axle bush core 1301 are three groups of correspondences.Charge into pressurized gas in outer tube and the interior pipe, valve body is provided with damping hole 29, and the pressure in the outer tube can not change along with moving of piston.The elastic force of air spring mainly is that inner and outer pipe and external atmosphere pressure act on the pressure difference on the piston rod cross section.Because the air pressure in the inner and outer pipe is constant substantially, and the cross section of piston rod is certain, the elastic force kept in balance of air spring is stable in the whole stroke.
The afterbody of pipe is provided with needle in the locking air spring, and needle one end is inserted in valve body, and the other end and starting component offset, and controls the unlatching of needle or closes by the switch starter 1 of starting components in the plastic bushing 2.Press down switch starter, needle is opened, and between piston rod and the interior pipe relative displacement takes place, and makes special-shaped aluminum barrel produce lifting in outer sleeve and changes, and special-shaped aluminum barrel can be made lift adjustment; Unclamp switch starter, needle is closed, and special-shaped aluminum barrel gets final product the position after the lock adjustment.
The utility model adopts taper fit to fix, and according to customer requirements control rising or falling speed, has the selection of different dynamics; Its angular positioning adopts special-shaped barrel to cooperate cylinder barrel afterbody end to adopt the tapering location with plastic sleeve.The utility model mounting type is more convenient than general motor-driven spring, and self-lock force is big when using simultaneously, can support relatively large strength, can bear bigger load after the locking.
Claims (7)
1, a kind of non-rotating lifting locking air spring, outer tube (12) one ends of this air spring are provided with switch starter (1), and axle bush core (13) is inserted in outer sleeve (14); Be provided with piston rod (21) in the outer sleeve, piston rod passes plane bearing (23), outer sleeve bottom is connected with jump ring (26), the plane bearing both sides are respectively equipped with second pad (22), the 3rd pad (24), and jump ring and outer sleeve bottom joint are provided with the 4th pad (25); The other end that it is characterized in that described outer tube (12) is inserted in the internal diameter of special-shaped aluminum barrel (27), and special-shaped aluminum barrel is inserted in the internal diameter of axle bush core (13), and outer tube, special-shaped aluminum barrel, axle bush core three external diameter are three grades of ladders; The protuberance (2701) of abnormity aluminum barrel is corresponding with the recess (1301) of axle bush core.
2, non-rotating lifting locking air spring as claimed in claim 1 is characterized in that described special-shaped aluminum barrel (27) is provided with a protuberance (2701) at least, and the protuberance number of special-shaped aluminum barrel is corresponding with recess (1301) number of axle bush core (13).
3, non-rotating lifting locking air spring as claimed in claim 1, the plastic bushing (2) that it is characterized in that an end in the described outer tube (12) is connected with valve body (4), valve body is connected with interior pipe (11), and the internal diameter joint of valve body external diameter and outer tube, interior pipe is provided with O shape circle (3).
4, non-rotating lifting locking air spring as claimed in claim 3 is characterized in that described interior pipe (11) internal diameter is provided with lining (10), and lining is connected with valve body (4).
5, non-rotating lifting locking air spring as claimed in claim 4 is characterized in that described valve body (4) is provided with damping hole (29), and damping hole communicates with valve (30), and the valve mouth is provided with little spacer (8), and septulum cover external diameter is provided with the 2nd O shape circle (5); Needle (7) is inserted in valve body, and needle is connected with valve block (6), and the needle end is provided with first pad (9).
6, non-rotating lifting locking air spring as claimed in claim 1 is characterized in that the guide sleeve (19) of the interior the other end of described outer tube (12) is axially arranged with Y shape circle (18), and Y shape circle is connected with spacer (17), and spacer is connected with interior pipe (11).
7, non-rotating lifting locking air spring as claimed in claim 6 is characterized in that being provided with piston (15) in the described interior pipe (11), and piston is connected with spacer (17), and the joint of piston and inner tube diameter is provided with the 3rd O shape circle (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920117759U CN201391564Y (en) | 2009-04-14 | 2009-04-14 | Non-rotatable type lifting locking gas spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920117759U CN201391564Y (en) | 2009-04-14 | 2009-04-14 | Non-rotatable type lifting locking gas spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201391564Y true CN201391564Y (en) | 2010-01-27 |
Family
ID=41598389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920117759U Expired - Fee Related CN201391564Y (en) | 2009-04-14 | 2009-04-14 | Non-rotatable type lifting locking gas spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201391564Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207151A (en) * | 2011-05-24 | 2011-10-05 | 扬州市明瑞气弹簧有限公司 | Compression gas spring capable of being self-locked and bounced |
| CN109590737A (en) * | 2019-01-03 | 2019-04-09 | 安徽莱特气弹簧有限公司 | A kind of cylinder production equipment and production method |
| CN111197457A (en) * | 2020-03-02 | 2020-05-26 | 韦仕兰 | Power system is with maintenance ladder convenient to accomodate and use more laborsaving |
-
2009
- 2009-04-14 CN CN200920117759U patent/CN201391564Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207151A (en) * | 2011-05-24 | 2011-10-05 | 扬州市明瑞气弹簧有限公司 | Compression gas spring capable of being self-locked and bounced |
| CN109590737A (en) * | 2019-01-03 | 2019-04-09 | 安徽莱特气弹簧有限公司 | A kind of cylinder production equipment and production method |
| CN111197457A (en) * | 2020-03-02 | 2020-05-26 | 韦仕兰 | Power system is with maintenance ladder convenient to accomodate and use more laborsaving |
| CN111197457B (en) * | 2020-03-02 | 2021-09-14 | 中电国际新能源控股有限公司 | Power system is with maintenance ladder convenient to accomodate and use more laborsaving |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20130414 |