CN205937681U - Novel tight ware that rises - Google Patents
Novel tight ware that rises Download PDFInfo
- Publication number
- CN205937681U CN205937681U CN201620935100.8U CN201620935100U CN205937681U CN 205937681 U CN205937681 U CN 205937681U CN 201620935100 U CN201620935100 U CN 201620935100U CN 205937681 U CN205937681 U CN 205937681U
- Authority
- CN
- China
- Prior art keywords
- aluminum hull
- spring
- screw rod
- sleeve pipe
- outside
- 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
Links
Abstract
The utility model provides a novel tight ware that rises includes nut, screw rod, upper cover, sleeve pipe, spring holder, spring, oilless bearing, aluminum hull, plastic wheel, plastic spacer, pivot, bottom plate and ball bearing, the bottom plate cup joint the lower part at the screw rod, the plastic spacer install the upper portion at the bottom plate, the pivot cup joint the middle part at the screw rod, the sleeve pipe cup joint the outside at the pivot, oilless bearing cup joint at the sheathed tube outsidely, the aluminum hull install the outside at oilless bearing, the spring mounting on the upper portion of aluminum hull, the spring holder joint on the upper portion of spring. The utility model discloses an oilless bearing's setting has reduced the wearing and tearing between the part, has avoided the wearing and tearing of aluminum hull 8, is favorable to prolonging the life of the tight ware that rises, through ball bearing's setting, plastic wheel rotates in a flexible way, and the effectual frictional resistance that has reduced the load of engine, and the tight pulley that is favorable to rising rotates nimble, increase of service life.
Description
Technical field
This utility model belongs to technical field of automobile, more particularly, to a kind of new tension device.
Background technology
With the development of engineering machinery, particularly to the tension device on the gasoline engine using in engineering machinery, its structure
Quality directly affects the operation of whole gasoline engine, was usually buckle-type tension device in the tension device using in the past, and can only outwards push up,
And there is no resilience function；So being in same position all the time with chain interoperation, hold out against well it is impossible to play when chain pine
Effect, prior art is that the tension device that patent announcement number is CN101723175A employed technical scheme comprise that：By cleaning axle, gear
Case, gear wheel, little gear, ratchet, torsionspring, axle sleeve, positioning cam and steady pin are constituted, described axle sleeve set
It is located on described cleaning axle, the diameter with diameter greater than described little gear of described gear wheel, gear wheel is socketed in axle sleeve
One end, the other end of axle sleeve is fixedly installed flange, and described torsionspring is set on axle sleeve, one end of torsionspring with
Gear wheel is fixedly connected, and the other end of torsionspring is fixedly connected with described flange, and the middle part of gear wheel one end is provided with circle
Post tubular flange, along the pin-and-hole that has been radially arranged of gear wheel in the described side wall of cylindrical tube flange, cleans in the side wall of axle
Along the pin-and-hole that has been radially arranged cleaning axle, described steady pin passes through pin-and-hole and cleaning axle side wall in the wall of cylindrical tube flange side
In pin-and-hole, the outside of torsionspring is arranged with an adapter sleeve, and described adapter sleeve is fixedly connected described flange and described
Gear-box outer wall, described little gear is arranged in gear-box, and little gear is engaged with gear wheel, and described ratchet is in eight words
Type, ratchet is arranged on the excircle of little gear, and ratchet is connected with gear-box tank wall by a bearing pin, described positioning cam
It is arranged in the bending section of ratchet, positioning cam is connected with gear-box tank wall by wheel shaft, the two ends of ratchet and gear-box tank wall
Between be each provided with a holddown spring, there is two-way adjustment, easy to operate advantage.But, existing tension device exists
And rotate the problem dumb, service life is short.
Therefore, invent a kind of new tension device and seem very necessary.
Utility model content
Dumb, service life is short and provides one kind in order to solve the problems, such as to rotate present in known technology for this utility model
New tension device.
This utility model is adopted the technical scheme that by solving technical problem present in known technology：A kind of new
Tension device include nut, screw rod, Shang Gai, sleeve pipe, spring base, spring, oilless bearing, aluminum hull, plastic wheel, plastic spacer, pivot,
Base plate and ball bearing, described base plate is socketed in the bottom of screw rod, and described plastic spacer is arranged on the top of base plate, described
Pivot be socketed in the middle part of screw rod, described sleeve pipe is socketed in the outside of pivot, and described oilless bearing is socketed in sleeve pipe
Outside, described aluminum hull is arranged on the outside of oilless bearing, and described spring is arranged on the top of aluminum hull, described spring base card
It is connected on the top of spring, described upper lid is connected to the top of sleeve pipe, and described nut is threadedly attached in the top of screw rod,
Described ball bearing is arranged on the outside of aluminum hull, and described plastic wheel is connected to the outside of ball bearing.
This utility model can also adopt following technical measures.
Described oilless bearing by gap coordinate with telescopic joint, reduce the abrasion between part, it is to avoid aluminum hull
Abrasion, is conducive to extending the service life of tension device.
Described ball bearing is connected with aluminum hull by interference fit, and by the installation of ball bearing, plastic wheel rotates spirit
Live, effectively reduce frictional resistance, reduce the load of electromotor, be conducive to expansion tightening wheel rotate flexibly, increase the service life.
This utility model has the advantages and positive effects that：
The setting by oilless bearing for this utility model, reduces the abrasion between part, it is to avoid the abrasion of aluminum hull 8, has
Beneficial to the service life extending tension device；By the setting of ball bearing, plastic wheel rotates flexibly, effectively reduces friction resistance
Power, reduces the load of electromotor, be conducive to expansion tightening wheel rotate flexibly, increase the service life.
Brief description
Fig. 1 is structural representation of the present utility model.
In figure：
1- nut, 2- screw rod, 3- covers, 4- sleeve pipe, 5- spring base, 6- spring, 7- oilless bearing, 8- aluminum hull, 9- plastics
Wheel, 10- plastic spacer, 11- pivot, 12- base plate, 13- ball bearing.
Specific embodiment
Below in conjunction with accompanying drawing, this utility model is described further：
Embodiment：
As shown in Figure 1
This utility model provides a kind of new tension device to include nut 1, screw rod 2, upper lid 3, sleeve pipe 4, spring base 5, bullet
Spring 6, oilless bearing 7, aluminum hull 8, plastic wheel 9, plastic spacer 10, pivot 11, base plate 12 and ball bearing 13, described base plate 12
It is socketed in the bottom of screw rod 2, described plastic spacer 10 is arranged on the top of base plate 12, described pivot 11 is socketed in screw rod 2
Middle part, described sleeve pipe 4 is socketed in the outside of pivot 11, and described oilless bearing 7 is socketed in the outside of sleeve pipe 4, described
Aluminum hull 8 is arranged on the outside of oilless bearing 7, and described spring 6 is arranged on the top of aluminum hull 8, and described spring base 5 is connected to bullet
The top of spring 6, described upper lid 3 is connected to the top of sleeve pipe 4, and described nut 1 is threadedly attached in the top of screw rod 2,
Described ball bearing 13 is arranged on the outside of aluminum hull 8, and described plastic wheel 9 is connected to the outside of ball bearing 13.
This utility model can also adopt following technical measures.
Described oilless bearing 7 is connected with sleeve pipe 4 by gap cooperation, reduces the abrasion between part, it is to avoid aluminum hull 8
Abrasion, be conducive to extend tension device service life.
Described ball bearing 13 is connected with aluminum hull 8 by interference fit, by the installation of ball bearing 13, plastic wheel 9
Rotate flexibly, effectively reduce frictional resistance, reduce the load of electromotor, be conducive to expansion tightening wheel rotate flexibly, extend and make
Use the life-span.
Operation principle
This utility model in use, this nut in new is arranged on the Timing Belt lateral orifices of gasoline engine
Interior, tensioner is carried out to Timing Belt by plastic wheel, by the installation of ball bearing, plastic wheel rotates flexibly.
Using technical scheme described in the utility model, or those skilled in the art is in technical solutions of the utility model
Under inspiration, design similar technical scheme, and reach above-mentioned technique effect, all fall into protection model of the present utility model
Enclose.
Claims (3)
1. a kind of new tension device it is characterised in that this new tension device include nut (1), screw rod (2), upper lid (3),
Sleeve pipe (4), spring base (5), spring (6), oilless bearing (7), aluminum hull (8), plastic wheel (9), plastic spacer (10), pivot
(11), base plate (12) and ball bearing (13), described base plate (12) is socketed in the bottom of screw rod (2), described plastic spacer
(10) it is arranged on the top of base plate (12), described pivot (11) is socketed in the middle part of screw rod (2), described sleeve pipe (4) is socketed
In the outside of pivot (11), described oilless bearing (7) is socketed in the outside of sleeve pipe (4), and described aluminum hull (8) is arranged on oil-free
The outside of bearing (7), described spring (6) is arranged on the top of aluminum hull (8), and described spring base (5) is connected to spring (6)
Top, described upper lid (3) is connected to the top of sleeve pipe (4), and described nut (1) is threadedly attached in the upper of screw rod (2)
Portion, described ball bearing (13) is arranged on the outside of aluminum hull (8), and described plastic wheel (9) is connected to ball bearing (13)
Outside.
2. tension device new as claimed in claim 1 is it is characterised in that described oilless bearing (7) is coordinated by gap
It is connected with sleeve pipe (4).
3. tension device new as claimed in claim 1 is it is characterised in that described ball bearing (13) passes through interference fit
It is connected with aluminum hull (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620935100.8U CN205937681U (en) | 2016-08-22 | 2016-08-22 | Novel tight ware that rises |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620935100.8U CN205937681U (en) | 2016-08-22 | 2016-08-22 | Novel tight ware that rises |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205937681U true CN205937681U (en) | 2017-02-08 |
Family
ID=57952209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620935100.8U Expired - Fee Related CN205937681U (en) | 2016-08-22 | 2016-08-22 | Novel tight ware that rises |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205937681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061647A (en) * | 2017-02-17 | 2017-08-18 | 李培培 | A kind of mechanical drive train tightening regulator |
-
2016
- 2016-08-22 CN CN201620935100.8U patent/CN205937681U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061647A (en) * | 2017-02-17 | 2017-08-18 | 李培培 | A kind of mechanical drive train tightening regulator |
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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 |
Granted publication date: 20170208 Termination date: 20170822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |