CN206675873U - A kind of treadmill buffer air spring - Google Patents
A kind of treadmill buffer air spring Download PDFInfo
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- CN206675873U CN206675873U CN201720273069.0U CN201720273069U CN206675873U CN 206675873 U CN206675873 U CN 206675873U CN 201720273069 U CN201720273069 U CN 201720273069U CN 206675873 U CN206675873 U CN 206675873U
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- pressure cylinder
- piston
- treadmill
- end socket
- air spring
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Abstract
A kind of treadmill buffer air spring, including piston, pressure cylinder and end socket；One end of the pressure cylinder is perforated provided with piston, and end socket is installed in the other end of pressure cylinder, and end socket is connected with pressure cylinder sealing；The frame of end socket and treadmill is hinged, and the end that piston passes piston perforation is installed with the anti-retraction part prevented in piston retraction pressure cylinder, and piston is hinged by the treadmill of anti-retraction part and treadmill, and piston is connected with pressure cylinder sealing；End of the piston in pressure cylinder is installed with the anti-off member for preventing piston from being left out of pressure cylinder, and anti-off member is slidingly sealed with pressure cylinder to be connected；Anti- off member is provided with the aperture for turning on anti-two end faces of off member.It is additionally provided with helical spring in pressure cylinder, the helical spring is located between the end that piston is located in pressure cylinder and end socket, and one end of the helical spring and end socket are connected.
Description
Technical field
It the utility model is related to a kind of telecontrol equipment technology, and in particular to the spring used on a kind of treadmill.
Background technology
People have increasingly paid attention to tempering the body of oneself by moving at present.Wherein, both family can be placed on separate unit
Middle use, can also more concentrate and be placed on the separate unit treadmill that is used in common motion place and have become a kind of important motion
Device.Treadmill is generally provided with buffer spring, so that the race plate and frame of treadmill are connected with buffer spring respectively.
Application number 201320713985.3, the U of Authorization Notice No. CN 203564703, a kind of entitled " running board of running machine
The patent document of buffer spring attachment structure " discloses a kind of patented technology related to treadmill：" it is characterised in that it includes
Spring and connecting stud, some circle spiral coils of both ends of the spring close up connection formation one and close up end, described to close up the interior of end
Side and outside form screw thread, are provided with helical structure corresponding with the screw thread on the connecting stud, the connecting stud leads to
Cross the helical structure to be threadedly secured on the spring with described, screwed hole is provided with the connecting stud." patent examination
Figure by connecting stud solution helical spring and treadmill race plate and frame be difficult to by welding manner it is solid and reliable connect
The problem of.But still reliability be present in helical spring and the buffer component as treadmill, long-term use by connecting stud
The problem of, and the characteristic of helical spring, less meet the job requirement of treadmill.
Due to using the shortcomings that helical spring is as present in running board of running machine corresponding construction, many treadmills use now
Gas spring is as the corresponding spring of running board of running machine.For example, application number：201620652141.6 publication number 205896009U, name
Referred to as " a kind of treadmill gas spring " just discloses a kind of treadmill gas spring：" it includes pressure cylinder, is arranged in pressure cylinder
Piston, the piston rod being connected with piston, the first piston piece and second piston piece being arranged in pressure cylinder, piston is positioned at the
Between one piston sheet and second piston piece, the end face of piston is provided with the first guiding gutter, and the other end of piston is provided with the
Two guiding gutters, the first piston piece are resisted against on the end face of piston, and first piston piece envelope hides the first guiding gutter or second
Guiding gutter；Second piston piece is resisted against on the end face of piston, and second piston piece envelope hides the second guiding gutter or the first guiding gutter；
The intercommunicating pore of the first guiding gutter and the second guiding gutter is communicated with piston." the problem of existing is：Compare expense when running plate and lifting
Power, when running plate and falling, gas spring lacks buffering effect, so as to influence the usage experience of user.
The content of the invention
Main inventive purpose of the present utility model, it is to provide a kind of buffer air spring installed on a treadmill, the buffering
Gas spring can both slow down the impact run and be subject to when plate is fallen, and cause that running plate relatively easily lifts again.
Technical scheme used in the utility model is：A kind of treadmill buffer air spring, including piston, pressure cylinder and envelope
Head；One end of the pressure cylinder is perforated provided with piston, and end socket is installed in the other end of pressure cylinder, and end socket and pressure cylinder are close
Envelope is connected；The frame of end socket and treadmill is hinged, and the end that piston passes piston perforation is installed with and prevents piston retraction pressure cylinder
Internal anti-retraction part, piston are hinged by the treadmill of anti-retraction part and treadmill, and piston is connected with pressure cylinder sealing；Piston
End in pressure cylinder is installed with the anti-off member for preventing piston from being left out of pressure cylinder, and anti-off member and pressure cylinder slide
Sealing is connected；Anti- off member is provided with the aperture for turning on anti-two end faces of off member.Helical spring is additionally provided with pressure cylinder, it is described
Helical spring is located between the end that piston is located in pressure cylinder and end socket, and one end of the helical spring and end socket are connected.
The utility model, using described helical spring, it on the one hand can slow down the impact run and be subject to when plate is fallen, it is another
When race plate will lift, set helical spring may help to user and lifts race plate again for side, mitigates to lift and runs what is applied needed for plate
Power.Treadmill buffer air spring provided by the utility model is a kind of very outstanding buffer air spring.
Preferably, also including sealing ring and guide pin bushing, piston sequentially passes through the sealing ring being fixedly connected with pressure cylinder
Pressure cylinder is stretched out with guide pin bushing.Further, the retainer ring for fixed seal ring and guide pin bushing is provided with pressure cylinder, it is described solid
Determine ring and be located at the side away from guide pin bushing, Fixing shrink ring is located on piston and is connected with pressure cylinder.Further, retainer ring
Outer peripheral face is provided with a press-in retainer ring inner pressure ring, and retainer ring protrudes into the pressure ring by the casing wall of pressure cylinder and realizes retainer ring
With being connected for pressure cylinder.
This preferred scheme, simple and reliable for structure, using effect is good.
Preferably, it is multi-diameter shaft that piston stretches out the end of the side of pressure cylinder away from it, the multi-diameter shaft is away from living
Plug stretch out pressure cylinder one section of diameter be less than multi-diameter shaft close to piston stretch out pressure cylinder one section of diameter, anti-off member and
The multi-diameter shaft stretches out one section of pressure cylinder close to piston and is connected.Further, the outer peripheral face of anti-off member is consolidated provided with sealing ring
Determine groove, be provided with sealing ring in sealing ring fixing groove, anti-off member is slidingly sealed by sealing ring with pressure cylinder to be connected.Further
Ground, the spindle nose of foregoing multi-diameter shaft, i.e. piston are provided with screw thread through one section of anti-off member, and anti-off member is fixed by nut and piston to be connected
Connect.This preferred scheme, simple and reliable for structure, using effect is good.
Preferably, end socket and pressure cylinder screw thread are connected.This preferred scheme, it is simple and reliable for structure.
In summary, the beneficial effects of the utility model are：Using described helical spring, race plate on the one hand can be slowed down
The impact being subject to when falling, when race plate will lift, set helical spring may help to user and lifts race plate the opposing party again, subtract
It is light to lift the power run and applied needed for plate.The utility model is a kind of very outstanding treadmill buffer air spring.
Brief description of the drawings
Fig. 1：Structural representation before the piston rod press-in pressure cylinder of treadmill buffer air spring；
Fig. 2：Structural representation after the piston rod press-in pressure cylinder of treadmill buffer air spring；
In figure：Piston 1, pressure cylinder 2, piston perforation 2.1, end socket 3, anti-retraction part 4, anti-off member 5, aperture 5.1, spiral
Spring 6, sealing ring 7, guide pin bushing 8, retainer ring 9, scrobicular ring 9.1.
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
As shown in figure 1, the utility model includes piston 1, pressure cylinder 2 and end socket 3；One end of the pressure cylinder 2 is set
There is piston perforation 2.1, end socket 3 is installed in the other end of pressure cylinder 2, and end socket 3 is connected with the sealing of pressure cylinder 2；End socket 3 and race
The frame of step machine is hinged, piston 1 pass piston perforation 2.1 end be installed with prevent it is shrinkproof in the retraction pressure cylinder 2 of piston 1
Part 4 is returned, piston 1 is hinged by the treadmill of anti-retraction part 4 and treadmill, and piston 1 is connected with the sealing of pressure cylinder 2；Piston 1 is being pressed
End in power cylinder body 2 is installed with the anti-off member 5 for preventing piston 1 from being left out of pressure cylinder 2, and anti-off member 5 and pressure cylinder 2 are slided
Dynamic sealing is connected；Anti- off member 5 is provided with the aperture 5.1 for turning on anti-5 two end faces of off member.Spiral is additionally provided with pressure cylinder 2
Spring 6, the helical spring 6 are located between the end that piston 1 is located in pressure cylinder 2 and end socket 3, the helical spring 6
One end and end socket 3 are connected, connected specific structural details, because being that simple technique is not described in detail herein.
Preferably, the utility model also includes sealing ring 7, guide pin bushing 8 and retainer ring 9.Piston 1 sequentially passes through retainer ring
9th, sealing ring 7 and guide pin bushing 8 stretch out pressure cylinder 2.And pressure cylinder 2, guide pin bushing 8, sealing ring 7 and retainer ring 9 corresponding end-faces according to
It is secondary to be close together, while retainer ring 9 and pressure cylinder 2 are connected, so as to realize being connected for sealing ring 7 and guide pin bushing 8.As excellent
Choosing, the outer peripheral face of the present embodiment retainer ring 9 are provided with a scrobicular ring 9.1, and it is recessed that retainer ring 9 by the casing wall of pressure cylinder protrudes into this
Being connected for retainer ring and pressure cylinder is realized in ring 9.1.It is ladder that piston 1 stretches out the end of the side of pressure cylinder 2 away from it
Axle, one section of the diameter that the multi-diameter shaft stretches out pressure cylinder 2 away from piston 1 are less than multi-diameter shaft close to the stretching pressure cylinder of piston 1
One section of diameter of body 2, anti-off member 5 and the multi-diameter shaft stretch out one section of pressure cylinder 2 close to piston 1 and are connected.The present embodiment,
The spindle nose of multi-diameter shaft is provided with screw thread, and anti-off member 5 is fixedly connected by nut with piston 1, and this outside head 3 and pressure cylinder 2 are logical
Helicitic texture sealing is crossed to be connected.
Specific embodiment described above is only the preferable embodiment of the utility model, and it is new not to limit this practicality with this
The specific implementation scope of type.In fact, it can also be made according to shape described in the utility model, structure and purpose of design
Equivalent change.Therefore, all some equivalence changes according to made by shape described in the utility model, structure and purpose of design
It ought to be all contained in the scope of protection of the utility model, namely these equivalence changes all should be by guarantor of the present utility model
Shield.
Claims (7)
1. a kind of treadmill buffer air spring, including piston（1）, pressure cylinder（2）And end socket（3）；The pressure cylinder（2）'s
Perforated provided with piston one end（2.1）, end socket（3）It is installed in pressure cylinder（2）The other end, end socket（3）And pressure cylinder（2）It is close
Envelope is connected；End socket（3）It is hinged with the frame of treadmill, piston（1）Pass piston perforation（2.1）End be installed with and prevent piston
（1）Retraction pressure cylinder（2）Interior anti-retraction part（4）, piston（1）Pass through anti-retraction part（4）It is hinged with the treadmill of treadmill, it is living
Plug（1）And pressure cylinder（2）Sealing is connected；Piston（1）In pressure cylinder（2）Interior end, which is installed with, prevents piston（1）From pressure
Power cylinder body（2）The anti-off member inside left（5）, anti-off member（5）And pressure cylinder（2）It is slidingly sealed connected；Anti- off member（5）It is provided with
Turn on anti-off member（5）The aperture of two end faces（5.1）；It is characterized in that：Pressure cylinder（2）Inside it is additionally provided with helical spring（6）, institute
State helical spring（6）It is located at piston（1）Positioned at pressure cylinder（2）Interior end and end socket（3）Between, the helical spring（6）
One end and end socket（3）It is connected.
2. a kind of treadmill buffer air spring according to claim 1, it is characterized in that：Also include sealing ring（7）With lead
Set（8）, piston（1）Sequentially pass through and pressure cylinder（2）The sealing ring being fixedly connected（7）And guide pin bushing（8）Stretch out pressure cylinder
（2）.
3. a kind of treadmill buffer air spring according to claim 2, it is characterized in that：Pressure cylinder（2）Interior be provided with is used for
Fixed seal ring（7）And guide pin bushing（8）Retainer ring（9）, the retainer ring（9）It is located at away from guide pin bushing（8）Side, retainer ring
（9）It is set in piston（1）Upper and and pressure cylinder（2）It is connected.
4. a kind of treadmill buffer air spring according to claim 3, it is characterized in that：Retainer ring（9）Outer peripheral face on set
There is a scrobicular ring（9.1）, retainer ring（9）The scrobicular ring is protruded into by the casing wall of pressure cylinder（9.1）Inside realize retainer ring and pressure
Cylinder body is connected.
5. a kind of treadmill buffer air spring according to claim 1, it is characterized in that：Piston（1）Pressure is stretched out away from it
Cylinder body（2）The end of side be multi-diameter shaft, the multi-diameter shaft is away from piston（1）Stretch out pressure cylinder（2）One section of diameter
Less than multi-diameter shaft close to piston（1）Stretch out pressure cylinder（2）One section of diameter, anti-off member（5）With the multi-diameter shaft close to living
Plug（1）Stretch out pressure cylinder（2）One section be connected.
6. a kind of treadmill buffer air spring according to claim 5, it is characterized in that：The spindle nose of multi-diameter shaft is provided with spiral shell
Line, anti-off member（5）Pass through nut and piston（1）It is fixedly connected.
7. a kind of treadmill buffer air spring according to claim 1-6 any one, it is characterized in that：End socket（3）And pressure
Power cylinder body（2）Screw thread is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720273069.0U CN206675873U (en) | 2017-03-20 | 2017-03-20 | A kind of treadmill buffer air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720273069.0U CN206675873U (en) | 2017-03-20 | 2017-03-20 | A kind of treadmill buffer air spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206675873U true CN206675873U (en) | 2017-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720273069.0U Active CN206675873U (en) | 2017-03-20 | 2017-03-20 | A kind of treadmill buffer air spring |
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| Country | Link |
|---|---|
| CN (1) | CN206675873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969087A (en) * | 2017-03-20 | 2017-07-21 | 宁波力减震器有限公司 | Treadmill buffer air spring |
-
2017
- 2017-03-20 CN CN201720273069.0U patent/CN206675873U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969087A (en) * | 2017-03-20 | 2017-07-21 | 宁波力减震器有限公司 | Treadmill buffer air spring |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.66 Chunxiao xunhai Road, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Yili Industrial Co.,Ltd. Address before: No.66 Chunxiao xunhai Road, Beilun District, Ningbo City, Zhejiang Province Patentee before: NINGBO YILI SHOCK ABSORBER Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |