CN209164474U - A kind of nitrogen gas spring with guide frame - Google Patents
A kind of nitrogen gas spring with guide frame Download PDFInfo
- Publication number
- CN209164474U CN209164474U CN201821941201.1U CN201821941201U CN209164474U CN 209164474 U CN209164474 U CN 209164474U CN 201821941201 U CN201821941201 U CN 201821941201U CN 209164474 U CN209164474 U CN 209164474U
- Authority
- CN
- China
- Prior art keywords
- nitrogen gas
- gas spring
- sleeve
- telescopic rod
- guide frame
- 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.)
- Active
Links
Landscapes
- Fluid-Damping Devices (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The utility model discloses a kind of nitrogen gas springs with guide frame of nitrogen gas spring technical field, including nitrogen gas spring main body and the telescopic rod being set at nitrogen gas spring body top center, telescopic rod is step axle construction, the top outer of telescopic rod is provided with pilot sleeve, the top cover of nitrogen gas spring main body is equipped with fixes sleeve, the lateral wall of fixes sleeve is installed with four groups of slide assemblies, the circumferential side wall of pilot sleeve covers at the outside of fixes sleeve, the inner sidewall of pilot sleeve is installed with lifting sliding rail, slide assemblies include the fixed rack and postive stop baffle for being fixedly arranged on fixes sleeve lateral wall, there are three steel balls for setting between two groups of postive stop baffles, and spacing retainer is provided between three steel balls, three steel balls are located between lifting sliding rail and fixed rack, it and slide lifting sliding rail and fixed rack can opposite, the utility model Provide a kind of nitrogen gas spring of guide frame born with only limit for tonnage lotus.
Description
Technical field
The utility model relates to nitrogen gas spring technical field, specially a kind of nitrogen gas spring with guide frame.
Background technique
Nitrogen gas spring is a kind of component with spring function, and high pressure nitrogen is sealed in determining container by it, external force
Nitrogen is compressed by plunger rod, is expanded when the external force is removed by high pressure nitrogen to obtain certain elastic force pressure.Nitrogen gas spring is
It is a kind of using high pressure nitrogen as the novel elastic component of working media, he is small in size, elastic force is big, stroke is long, stable working, manufacture essence
Close, long service life, spring curve are gentle, do not need the advantages that preload and elastic force are controllable, he can accomplish metal spring, rubber
The common elastics component such as pad and air cushion is difficult to the work completed, currently on the market existing nitrogen gas spring, and anti-bias load performance is poor, piston
Bar stable operation ability is poor, and unbalance loading is easily caused when piston rod moves back and forth, and piston rod is caused to scratch gas leakage, product service life
It is short.
For this purpose, those skilled in the technology concerned improve this, such as Chinese Patent Application No. is
CN201720352818.9 propose " a kind of nitrogen gas spring of novel guide frame, including nitrogen gas spring ontology, feature exist
In the nitrogen gas spring ontology includes nitrogen gas spring cylinder and plunger rod open at one end, the nitrogen gas spring cylinder packet
Include cylinder barrel and boring cover, the nitrogen gas spring cylinder interior is equipped with the nitrogen chamber for accommodating nitrogen, on the nitrogen gas spring cylinder
Inner wall is equipped with guide sleeve at end opening, and the guide sleeve is fixed on inner wall of cylinder and boring cover junction.", although passing through guide sleeve
Piston motion is done with nitrogen gas spring cylinder, it is practical, production cost is low, while nitrogen gas spring stability and service life are also improved,
It can be the characteristics of smaller space provides more stable guidance type structure；
But the technical solution in this application file still has deficiency, as the device passes through the inner wall at cylinder upper end opening
The mode of guide sleeve structure is set between plunger rod to play the role of enhancing nitrogen gas spring guiding steady qualitatively, but the guiding
What nested structure primarily served is stability when enhancing plunger rod axial stretching, and when plunger rod is by larger radial load,
The guide sleeve structure can not function well as radial stabilization since radial bearing capacity is weaker.
Based on this, the utility model devises a kind of nitrogen gas spring with guide frame, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of nitrogen gas springs with guide frame, are passed through with solving above-mentioned apparatus
The mode of guide sleeve structure is set between inner wall and plunger rod at cylinder upper end opening to play enhancing nitrogen gas spring guiding steady
Qualitatively effect, but what the guide sleeve structure primarily served is stability when enhancing plunger rod axial stretching, and works as plunger
When bar is by larger radial load, which can not function well as radial stabilization since radial bearing capacity is weaker
Effect.The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of nitrogen gas spring with guide frame,
Including nitrogen gas spring main body and the telescopic rod being set at nitrogen gas spring body top center, the telescopic rod is Step Shaft knot
Structure, the top outer of the telescopic rod are provided with pilot sleeve, the inner cavity top of the pilot sleeve and the top platform of telescopic rod
Terrace socket cooperation, the top of the telescopic rod is provided with the limit disk for being fixed at the top of pilot sleeve, the limit
The top of circle of position piece is mutually fixed by the top of sunk screw and telescopic rod,
The top cover of the nitrogen gas spring main body is equipped with fixes sleeve, the top of the fixes sleeve by fastening screw with
The side wall ends of nitrogen gas spring main body are mutually fixed, and circumferentially equal cloth-like is installed with four groups of Slide Groups to the lateral wall of the fixes sleeve
Part, the circumferential side wall of the pilot sleeve cover at the outside of fixes sleeve, and the inner sidewall of the pilot sleeve is installed with four groups
The lifting sliding rail matched with slide assemblies, the slide assemblies include the fixed rack for being fixedly arranged on fixes sleeve lateral wall, institute
The both ends for stating fixed rack are provided with postive stop baffle, and there are three along fixed rack length for setting between postive stop baffle described in two groups
The evenly distributed steel ball in direction, and spacing retainer is provided between three steel balls, three steel balls are located in lifting
Between sliding rail and fixed rack, and make lifting sliding rail and fixed rack can opposite sliding.
Preferably, the bottom of the nitrogen gas spring main body is installed with mounting flange, the top of the pilot sleeve and peace
Dress flange pan bottom offers installation threaded hole.
Preferably, the inner wall lower end of the pilot sleeve is bolted with limit baffle ring, and the inner ring of the limit baffle ring is fixed viscous
It is connected to dust washer.
Preferably, step is provided between the circumference one side wall of the fixes sleeve and the side wall of ipsilateral nitrogen gas spring main body
Pin.
Preferably, the lifting sliding rail and fixed rack abut one side wall with steel ball and offer arc matches with steel ball
Sliding slot.
Compared with prior art, the utility model has the beneficial effects that the utility model is flexible based on existing nitrogen gas spring
The weaker feature of bar radial load ability to bear, makes improvements: passing through the top outer surrounding fixed setting in telescopic rod
Fixes sleeve and fixed rack, and four groups of liftings are arranged in the top surrounding of nitrogen gas spring main body in pilot sleeve and lifting sliding rail
Steel ball is provided between sliding rail and fixed rack, when radial load of the telescopic rod by any direction, four groups of lifting sliding rails,
Fixed rack and steel ball cooperate, and can play the role of effective radial force carrying, avoid radial load from all acting on flexible
On sealing element and guide part between bar and nitrogen gas spring main body, and then protection can be played to nitrogen gas spring overall structure and is made
With extending the service life of nitrogen gas spring.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the portion the A structure enlarged view in figure；
Fig. 3 is the utility model structure top view.
In attached drawing, parts list represented by the reference numerals are as follows:
1- nitrogen gas spring main body, 2- telescopic rod, 3- pilot sleeve, 4- limit disk, 5- sunk screw, 6- fixes sleeve,
7- fastening screw, 8- lifting sliding rail, 9- fixed rack, 10- postive stop baffle, 11- steel ball, 12- spacing retainer, 13- Method for Installation
Blue disk, 14- install threaded hole, 15- limit baffle ring, 16- dust washer, 17- step pin.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of nitrogen gas spring with guide frame, packet
The telescopic rod 2 for including nitrogen gas spring main body 1 and being set at 1 top center of nitrogen gas spring main body, telescopic rod 2 are step axle construction,
The top outer of telescopic rod 2 is provided with pilot sleeve 3, and the inner cavity top of pilot sleeve 3 and the top step surface of telescopic rod 2 are socketed
Cooperation, the top of telescopic rod 2 are provided with the limit disk 4 for being fixed 3 top of pilot sleeve, limit the top of disk 4
It is mutually fixed by sunk screw 5 and the top of telescopic rod 2,
The top cover of nitrogen gas spring main body 1 is equipped with fixes sleeve 6, and the top of fixes sleeve 6 passes through fastening screw 7 and nitrogen
The side wall ends of spring body 1 are mutually fixed, and circumferentially equal cloth-like is installed with four groups of slide assemblies to the lateral wall of fixes sleeve 6, are led
The outside of fixes sleeve 6 is covered to the circumferential side wall of sleeve 3, the inner sidewall of pilot sleeve 3 is installed with four groups and slide assemblies
The lifting sliding rail 8 matched, slide assemblies include the fixed rack 9 for being fixedly arranged on 6 lateral wall of fixes sleeve, and the two of fixed rack 9
End is provided with postive stop baffle 10, and there are three evenly distributed along 9 length direction of fixed rack for setting between two groups of postive stop baffles 10
Steel ball 11, and spacing retainer 12 is provided between three steel balls 11, three steel balls 11 are located in lifting sliding rail 8 and fixed slide
Between rail 9, and make lifting sliding rail 8 and fixed rack 9 can opposite sliding；
Wherein, the bottom of nitrogen gas spring main body 1 is installed with mounting flange 13, the top of pilot sleeve 3 and mounting flange
13 bottom of disk offers installation threaded hole 14, connects convenient for device and external agency's installation, the inner wall lower end spiral shell of pilot sleeve 3
It is connected to limit baffle ring 15, the inner ring fixed bonding of limit baffle ring 15 has dust washer 16, plays flexible auxiliary stopper and dust-proof work
With being provided with step pin 17 between the circumference one side wall of fixes sleeve 6 and the side wall of ipsilateral nitrogen gas spring main body 1, play orientation
Restriction effect, lifting sliding rail 8 and fixed rack 9 abut one side wall with steel ball 11 and offer the cunning that arc is matched with steel ball 11
Slot, it is ensured that lifting sliding rail 8 and fixed rack 9 radially slide.
One concrete application of the present embodiment are as follows: the present apparatus is a kind of nitrogen gas spring with guide frame, in use, peace
Dress mode and applicable elements are same as traditional nitrogen gas spring, by the peace on 13 bottom of the top of pilot sleeve 3 and mounting flange
Threaded hole 14 is filled mutually to fix with external activity structure and mounting structure respectively；When radial direction of the telescopic rod 2 by any direction
When load, four groups of lifting sliding rails 8, fixed rack 9 and steel ball 11 cooperate, Radial Loads while on telescopic rod 2,
Also by 3 synchronous effect of pilot sleeve on four groups of lifting sliding rails 8, fixed rack 9 and steel ball 11, and lifting sliding rail 8, fixed slide
The structure of rail 9 and steel ball 11 is supported by three steel balls 11 simultaneously radially, can be played the role of effective radial force carrying, be kept away
Exempt from radial load all to act on the sealing element between telescopic rod 2 and nitrogen gas spring main body 1 and guide part, and then can be to nitrogen
Gas spring overall structure plays a protective role, and extends the service life of nitrogen gas spring.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. a kind of nitrogen gas spring with guide frame, including nitrogen gas spring main body (1) and it is set to nitrogen gas spring main body (1) top
Telescopic rod (2) at portion center, it is characterised in that: the telescopic rod (2) is step axle construction, the top of the telescopic rod (2)
Outside is provided with pilot sleeve (3), and the inner cavity top of the pilot sleeve (3) is matched with the top step surface socket of telescopic rod (2)
It closes, the top of the telescopic rod (2) is provided with the limit disk (4) for being fixed at the top of pilot sleeve (3), the limit
The top of disk (4) is mutually fixed by sunk screw (5) and the top of telescopic rod (2),
The top cover of the nitrogen gas spring main body (1) is equipped with fixes sleeve (6), passes through fastening at the top of the fixes sleeve (6)
Screw (7) and the side wall ends of nitrogen gas spring main body (1) are mutually fixed, the lateral wall of the fixes sleeve (6) circumferentially equal cloth-like
Four groups of slide assemblies are installed with, the circumferential side wall of the pilot sleeve (3) covers at the outside of fixes sleeve (6), the guiding
The inner sidewall of sleeve (3) is installed with four groups of lifting sliding rails matched with slide assemblies (8), and the slide assemblies include being fixedly arranged on
The both ends of the fixed rack (9) of fixes sleeve (6) lateral wall, the fixed rack (9) are provided with postive stop baffle (10), and two groups
The steel ball (11) evenly distributed along fixed rack (9) length direction there are three settings between the postive stop baffle (10), and three
It is provided with spacing retainer (12) between the steel ball (11), three steel balls (11) are located in lifting sliding rail (8) and fix
Between sliding rail (9), and make lifting sliding rail (8) and fixed rack (9) can opposite sliding.
2. a kind of nitrogen gas spring with guide frame according to claim 1, it is characterised in that: the nitrogen gas spring master
The bottom of body (1) is installed with mounting flange (13), and the top and mounting flange (13) bottom of the pilot sleeve (3) are opened
Equipped with installation threaded hole (14).
3. a kind of nitrogen gas spring with guide frame according to claim 1, it is characterised in that: the pilot sleeve
(3) inner wall lower end is bolted with limit baffle ring (15), and the inner ring fixed bonding of the limit baffle ring (15) has dust washer (16).
4. a kind of nitrogen gas spring with guide frame according to claim 1, it is characterised in that: the fixes sleeve
(6) step pin (17) are provided between the side wall of circumference one side wall and ipsilateral nitrogen gas spring main body (1).
5. a kind of nitrogen gas spring with guide frame according to claim 1, it is characterised in that: the lifting sliding rail
(8) one side wall is abutted with steel ball (11) and offers the sliding slot that arc is matched with steel ball (11) with fixed rack (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941201.1U CN209164474U (en) | 2018-11-23 | 2018-11-23 | A kind of nitrogen gas spring with guide frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941201.1U CN209164474U (en) | 2018-11-23 | 2018-11-23 | A kind of nitrogen gas spring with guide frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209164474U true CN209164474U (en) | 2019-07-26 |
Family
ID=67339648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821941201.1U Active CN209164474U (en) | 2018-11-23 | 2018-11-23 | A kind of nitrogen gas spring with guide frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209164474U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704579A (en) * | 2022-04-13 | 2022-07-05 | 邵阳市通达汽车零部件制造有限公司 | Nitrogen spring with quick change mechanism |
| CN117108670A (en) * | 2023-10-23 | 2023-11-24 | 常州市东力机械有限公司 | Nitrogen spring with quick-change mechanism |
-
2018
- 2018-11-23 CN CN201821941201.1U patent/CN209164474U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704579A (en) * | 2022-04-13 | 2022-07-05 | 邵阳市通达汽车零部件制造有限公司 | Nitrogen spring with quick change mechanism |
| CN114704579B (en) * | 2022-04-13 | 2022-10-25 | 邵阳市通达汽车零部件制造有限公司 | Nitrogen spring with quick change mechanism |
| CN117108670A (en) * | 2023-10-23 | 2023-11-24 | 常州市东力机械有限公司 | Nitrogen spring with quick-change mechanism |
| CN117108670B (en) * | 2023-10-23 | 2023-12-22 | 常州市东力机械有限公司 | Nitrogen spring with quick-change mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209164474U (en) | A kind of nitrogen gas spring with guide frame | |
| US8801021B2 (en) | Front fork spring leg | |
| CN209020449U (en) | A kind of self-insurance's large size circular cone sand making machine | |
| CN206958095U (en) | Novel linear bearing | |
| CN207393833U (en) | A kind of automobile absorber supports inner core | |
| CN108944265A (en) | A kind of damping shock absorption universal caster wheel and mobile device | |
| CN207526884U (en) | A kind of shaft base structure | |
| CN204127186U (en) | A kind of complex spring vibration damper | |
| CN206816745U (en) | A kind of plant equipment damping device | |
| CN108506407A (en) | A kind of strong screen resilience damper | |
| US6253661B1 (en) | Piston rod guide for a piston-cylinder unit | |
| CN210313347U (en) | Textile machinery elevating platform | |
| CN209959006U (en) | Plastic roller, limiting pulley and anti-swing wheel on sliding door | |
| CN209705138U (en) | A kind of damper of adjustable damping intensity | |
| US4924975A (en) | Shock absorber with improved dynamic sealing | |
| CN209671511U (en) | A kind of hydraulic spring grease cup buffer | |
| CN109236926A (en) | Air spring and suspension type rail vehicle with it | |
| CN202482007U (en) | Stacking machine with variable stiffness cushion device on cargo table | |
| CN209164371U (en) | Damper anti-friction bearing | |
| CN209705175U (en) | A kind of external mounting type planetary roller screw-rubber composite vibration reducing device | |
| CN209164450U (en) | Crusher isolation mounting in a kind of mine | |
| CN107893507A (en) | A kind of small formed steel construction frame uses support post | |
| CN209121598U (en) | A kind of high-stroke gas bar | |
| CN207673577U (en) | A kind of VGA COOLER that damping is dust-proof | |
| CN212985672U (en) | Novel hydraulic servo oil cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |