CN108468766A - Tensioner - Google Patents
Tensioner Download PDFInfo
- Publication number
- CN108468766A CN108468766A CN201810356399.5A CN201810356399A CN108468766A CN 108468766 A CN108468766 A CN 108468766A CN 201810356399 A CN201810356399 A CN 201810356399A CN 108468766 A CN108468766 A CN 108468766A
- Authority
- CN
- China
- Prior art keywords
- shell
- hollow structure
- guide cylinder
- hole
- face
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0842—Mounting or support of tensioner
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention discloses a tensioner, comprising: a first hollow structure is arranged in the shell; the upper end surface of the shell is provided with a rectangular opening which is communicated into the first hollow structure; the lower end face of the guide cylinder is arranged at the bottom of the first hollow structure; the positioning bolt penetrates into the first hollow structure from the lower end face of the shell; and the positioning bolt penetrates through the guide cylinder; the lower end of the sliding shell is arranged in the first hollow structure through a rectangular opening; the outer wall of the sliding shell is connected with the inner wall of the rectangular opening in a sliding manner; the spring is positioned between the step part and the upper wall of the second hollow structure; the tensioning head is an arc-shaped block body; the lower terminal surface fixed connection of tensioning head is in the upper end of slip casing. The sliding shell is connected to the shell in a vertically sliding mode, and the spring is arranged in the shell; the tensioner of the present invention has a simplified design and also functions as a self-adjusting extension and retraction.
Description
Technical field
The present invention relates to the technical field of stretcher more particularly to a kind of technical fields of stretcher.
Background technology
Chain is to loosen due to being driven after own backlash and installation, and long-time service easily causes transmission efficiency decline, therefore sets
Set stretcher.Existing stretcher general structure design is complicated, uses complex steps；The mounting means of head is tensioned generally by can
Dismantling connection so that tensioning head installation is insecure.Therefore a kind of stretcher structure is now designed.
Invention content
Against the above deficiency, the object of the present invention is to provide a kind of stretchers, can facilitate automatic adjusument chain, and
So that tensioning head is not easy to slide up and down.
In order to achieve the above object, the present invention uses following technical scheme：
A kind of stretcher, wherein including：
Shell, the shell are cuboid, and the first hollow structure is set in the shell；The upper surface of the shell opens up one
Rectangular aperture, the rectangular aperture are penetrated through to first hollow structure；
Guide cylinder, the guide cylinder are set in first hollow structure, and the guide cylinder lower face
It is set to the bottom of first hollow structure；Meanwhile the guide cylinder is located at the underface of the rectangular aperture；
Positioning bolt, the positioning bolt are through to by the lower face of the shell in first hollow structure；And
The positioning bolt runs through the guide cylinder, and the positioning bolt fixes the guide cylinder in the shell；
The upper end of slider case, the slider case is set as concave head, and the lower end of the slider case is by the rectangle
Opening is set in first hollow structure；The second hollow structure is set in the slider case；The lower end of the slider case
Face offers third through-hole, and the third through-hole is penetrated through to second hollow structure, described in the guide cylinder face
Three through-holes；The outer wall of the slider case is slidably connected to the inner wall of the rectangular aperture；
Spring, the spring are placed on the outer wall of the guide cylinder；The lower end of the spring is fixedly connected on the guiding
The stage portion of cylinder, the upper end of the spring are fixedly connected on the inner wall of the upper end of second hollow structure；
It is tensioned head, the tensioning head is arch block；The lower face of the tensioning head is fixedly connected on the slider case
Upper end.
Above-mentioned a kind of stretcher, wherein the shell includes procapsid and back casing；The procapsid and the back casing
It is detachably connected；The front end face of the procapsid opens up two perforation first through hole, and the rear end face of the back casing opens up two second
Through-hole, each second through-hole are right against a first through hole.
Above-mentioned a kind of stretcher, wherein two first bolts and two second bolts, two first bolts are by the procapsid
Front end face be through to the back casing, two second bolts are through to the procapsid by the rear end face of the back casing；
Two first bolts are located at the both ends of a pair of of linea angulata of the shell, and two second bolts are located at another pair of the shell
The both ends of linea angulata.
Above-mentioned a kind of stretcher, wherein the slider case includes rectangle body portion and the concave head；The concave head
The upper surface of lower face and the rectangle body portion be integrally formed；The lower edge side of the rectangle body portion opens up a flange part
Point.
Above-mentioned a kind of stretcher, wherein the side wall of the tensioning head opens up two rectangular recess at lower face；It is described recessed
Two rectangular preiections of type head are respectively embedded into two rectangular recess.
Above-mentioned a kind of stretcher, wherein fixing screws, the fixing screws are set in second hollow structure, institute
Fixing screws are stated in the concave head to the tensioning head.
A kind of above-mentioned stretcher, wherein, each guide cylinder includes the stage portion and axle portion；The stage portion
Upper surface the axle portion is set；The upper surface of the axle portion opens up a fourth hole, and the fourth hole is penetrated through to described
The lower face in rank portion.
Above-mentioned a kind of stretcher, wherein the inner wall of the through-hole is slidably connected to the outer wall of the guide cylinder.
Above-mentioned a kind of stretcher, wherein the length in the front-back direction of the tensioning head is less than the front and back of the slider case
The length in direction, the length in the front-back direction of the slider case are less than the length in the front-back direction of the shell.
A kind of above-mentioned stretcher, wherein including：Two limit holes, a limit hole are set to the front end of the procapsid
Face, another limit hole are set to the rear end face of the back casing.
With above technical scheme, following advantageous effect can be reached：
By the present invention in that slider case, which slides up and down, is connected to shell, and spring is set in shell；The present invention's
The design of stretcher simplifies, and can also play the function of flexible self-regulation.
The present invention is fixedly installed in slider case by that will be tensioned head so that the present invention keeps the fixation of tensioning head.
Spacer pin is arranged by being arranged in each limit hole in the present invention so that spacer pin is set in slider case, control
The working condition of slider case processed.
Description of the drawings
Fig. 1 is a kind of sectional view of the side view of stretcher of the present invention；
Fig. 2 is a kind of front view of stretcher of the present invention；
Fig. 3 is a kind of front view of the procapsid of stretcher of the present invention；
Fig. 4 is a kind of front view of the tensioning head of stretcher of the present invention；
Fig. 5 is a kind of front view of the guide cylinder of stretcher of the present invention；
Fig. 6 is a kind of vertical view of the slider case of stretcher of the present invention；
Fig. 7 is the sectional view of the A-A of Fig. 6.
In attached drawing：1, shell；11, rectangular aperture；12, the first hollow structure；13, procapsid；131, first through hole；132、
Second through-hole；14, back casing；2, guide cylinder；21, stage portion；22, axle portion；221, fourth hole；3, positioning bolt；4, sliding
Dynamic shell；41, concave head；411, rectangular preiection；42, the second hollow structure；43, third through-hole；44, rectangle body portion；441、
Flange portion；5, spring；6, it is tensioned head；61, rectangular recess；72, the second bolt；8, fixing screws；9, limit hole；10, label.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments, but not as limiting to the invention.
Fig. 1 is a kind of sectional view of the side view of stretcher of the present invention.Fig. 2 is a kind of main view of stretcher of the present invention
Figure.Fig. 3 is a kind of front view of the procapsid of stretcher of the present invention.Fig. 4 is a kind of tensioning head of stretcher of the present invention
Front view.Fig. 5 is a kind of front view of the guide cylinder of stretcher of the present invention.Fig. 6 is a kind of cunning of stretcher of the present invention
The vertical view of dynamic shell.Fig. 7 is the sectional view of the A-A of Fig. 6.
X-direction indicates that front-rear direction, Y direction indicate that left and right directions, Z-direction indicate upper and lower directions.
The view from rear side to front side is shown in Fig. 2.
Referring to fig. 1 to fig. 5, in a kind of preferred embodiment, a kind of stretcher, wherein including：
Shell 1, shell 1 are cuboid, and the first hollow structure 12 is set in shell 1；The upper surface of shell 1 opens up a rectangle and opens
Mouth 11, rectangular aperture 11 are penetrated through to the first hollow structure 12.
Guide cylinder 2, guide cylinder 2 are set in the first hollow structure 12, and 2 lower face of guide cylinder is set to
The bottom of one hollow structure 12；Meanwhile guide cylinder 2 is located at the underface of rectangular aperture 11.
Positioning bolt 3, positioning bolt 3 are through to by the lower face of shell 1 in the first hollow structure 12；And positioning bolt
3 run through guide cylinder 2, and 3 fixed guide cylinder 2 of positioning bolt is in shell 1.
The upper end of slider case 4, slider case 4 is set as concave head 41, and the lower end of slider case 4 is set by rectangular aperture 11
It is placed in the first hollow structure 12；The second hollow structure 42 is set in slider case 4；The lower face of slider case 4 offers one
Three through-holes 43, third through-hole 43 are penetrated through to the second hollow structure 42,2 face third through-hole 43 of guide cylinder；Slider case 4
Outer wall is slidably connected to the inner wall of rectangular aperture 11.
Spring 5, spring 5 are placed on the outer wall of guide cylinder 2；The lower end of spring 5 is fixedly connected on the step of guide cylinder 2
Portion, the upper end of spring 5 are fixedly connected on the inner wall of the upper end of the second hollow structure 42.
It is tensioned head 6, tensioning head 6 is arch block；The lower face of tensioning head 6 is fixedly connected on the upper end of slider case 4.
It these are only preferred embodiments of the present invention, be not intended to limit the implementation manners and the protection scope of the present invention.
Further, in a kind of preferred embodiment, shell 1 includes procapsid 13 and back casing 14；Procapsid 13 and rear shell
Body 14 is detachably connected；The front end face of procapsid 13 opens up two perforation first through hole 131, and the rear end face of back casing opens up two second
Through-hole 132, every 1 second through-hole 132 are right against a first through hole 131.
Further, in a kind of preferred embodiment, two first bolt (not shown)s and two second bolts 72, two first
Bolt is through to back casing 14 by the front end face of procapsid 13, and two second bolts 72 are through to front housing by the rear end face of back casing 14
Body 13；Two first bolts are located at the both ends of a pair of of linea angulata of shell 1, and two second bolts 72 are located at the another cornerwise of shell 1
Both ends.
Further, in a kind of preferred embodiment, slider case 4 includes rectangle body portion 44 and concave head 41；Concave head
41 lower face is integrally formed with the upper surface of rectangle body portion 44；The lower edge side of rectangle body portion 44 opens up a flange portion
441.Flange department 441 can play position-limiting action so that the lower end of slider case 4 will not skid off shell 1.
Further, in a kind of preferred embodiment, the side wall of tensioning head 6 opens up two rectangular recess 61 at lower face；
Two rectangular preiections 411 of concave head 41 are respectively embedded into two rectangular recess 61.
Further, in a kind of preferred embodiment, fixing screws 8, fixing screws 8 are set in the second hollow structure 42,
Fixing screws 8 are in convex head 41 to tensioning head 6.
Further, in a kind of preferred embodiment, each guide cylinder 2 includes stage portion 21 and axle portion 22；Stage portion 21
Upper surface be arranged axle portion 22；The upper surface of axle portion 22 opens up a fourth hole 221, the perforation of fourth hole 221 to stage portion 21
Lower face.
Further, in a kind of preferred embodiment, the inner wall of third through-hole 43 is slidably connected to the outer wall of guide cylinder 2.
Further, in a kind of preferred embodiment, the length in the front-back direction of tensioning head 6 is less than the front and back of slider case 4
The length in direction, the length in the front-back direction of slider case 4 are less than the length in the front-back direction of shell 1.
Further, in a kind of preferred embodiment, including：Label 10, label 10 are set to the front-rear direction of slider case 4
End face；Groove is set at the end face of slider case 4, label 10 is set in groove.The top of label 10 is green, label
10 middle part is yellow, and the lower part of label 10 is red.Indicate that spring 5 is in work shape when slider case 4 only exposes green
State indicates that spring 5 is in alert status when slider case 4 exposes yellow, spring 5 is indicated when slider case 4 exposes red
It is in the hole.
Further, in a kind of preferred embodiment, including：Two limit holes 9, before a limit hole 9 is set to procapsid 13
End face, another limit hole 9 are set to the rear end face of back casing 14.When needing to stop the work of slider case 4, before user passes through
The first spacer pin (not shown) is inserted at the limit hole 9 of shell 13 so that the first spacer pin is inserted into the front side of slider case 4
Face；Meanwhile user pass through back casing 14 limit hole 9 at be inserted into the second spacer pin (not shown) so that second limit
Pin is inserted into the trailing flank of slider case 4.
It these are only preferred embodiments of the present invention, be not intended to limit the implementation manners and the protection scope of the present invention, it is right
For those skilled in the art, it should can appreciate that and all be replaced with being equal made by description of the invention and diagramatic content
It changes and obviously changes obtained scheme, should all be included within the scope of the present invention.
Claims (10)
1. a kind of stretcher, which is characterized in that including：
Shell, the shell are cuboid, and the first hollow structure is set in the shell；The upper surface of the shell opens up a rectangle
Opening, the rectangular aperture are penetrated through to first hollow structure；
Guide cylinder, the guide cylinder are set in first hollow structure, and the guide cylinder lower face is arranged
In the bottom of first hollow structure；Meanwhile the guide cylinder is located in the rectangular aperture；
Positioning bolt, the positioning bolt are through to by the lower face of the shell in first hollow structure；And it is described
Positioning bolt runs through the guide cylinder, and the positioning bolt fixes the guide cylinder in the shell；
The upper end of slider case, the slider case is set as concave head, and the lower end of the slider case is by the rectangular aperture
It is set in first hollow structure；The second hollow structure is set in the slider case；It opens the lower face of the slider case
Equipped with third through-hole, the third through-hole is penetrated through to second hollow structure, and third described in the guide cylinder face is logical
Hole；The outer wall of the slider case is slidably connected to the inner wall of the rectangular aperture；
Spring, the spring are placed on the outer wall of the guide cylinder；The lower end of the spring is fixedly connected on the guide cylinder
Stage portion, the upper end of the spring is fixedly connected on the inner wall of the upper end of second hollow structure；
It is tensioned head, the tensioning head is arch block；The lower face of the tensioning head is fixedly connected on the upper of the slider case
End.
2. a kind of stretcher according to claim 1, which is characterized in that the shell includes procapsid and back casing；It is described
Procapsid is detachably connected with the back casing；The front end face of the procapsid opens up two perforation first through hole, the back casing
Rear end face open up two second through-holes, each second through-hole is right against a first through hole.
3. a kind of stretcher according to claim 2, which is characterized in that two first bolts and two second bolts, two described
One bolt is through to the back casing by the front end face of the procapsid, two second bolts by the back casing rear end face
It is through to the procapsid；Two first bolts are located at the both ends of a pair of of linea angulata of the shell, two second bolt positions
In another cornerwise both ends of the shell.
4. a kind of stretcher according to claim 1, which is characterized in that the slider case includes rectangle body portion and described
Concave head；The lower face of the concave head and the upper surface of the rectangle body portion are integrally formed；Under the rectangle body portion
Edge side opens up a flange portion.
5. a kind of stretcher according to claim 1, which is characterized in that the side wall of the tensioning head opens up at lower face
Two rectangular recess；Two rectangular preiections of the concave head are respectively embedded into two rectangular recess.
6. a kind of stretcher according to claim 5, which is characterized in that fixing screws, the fixing screws are set to described
In second hollow structure, the fixing screws are in the concave head to the tensioning head.
7. a kind of stretcher according to claim 1, which is characterized in that each guide cylinder include the stage portion and
Axle portion；The axle portion is arranged in the upper surface of the stage portion；The upper surface of the axle portion opens up a fourth hole, the four-way
Hole is penetrated through to the lower face of the stage portion.
8. a kind of stretcher according to claim 1, which is characterized in that the inner wall of the through-hole is slidably connected to the guiding
The outer wall of cylinder.
9. a kind of stretcher according to claim 1, which is characterized in that the length in the front-back direction of the tensioning head is less than institute
The length in the front-back direction of slider case is stated, the length in the front-back direction of the slider case is less than the front-rear direction of the shell
Length.
10. a kind of stretcher according to claim 2, which is characterized in that including：Two limit holes, a limit hole setting
In the front end face of the procapsid, another limit hole is set to the rear end face of the back casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810356399.5A CN108468766A (en) | 2018-04-19 | 2018-04-19 | Tensioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810356399.5A CN108468766A (en) | 2018-04-19 | 2018-04-19 | Tensioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108468766A true CN108468766A (en) | 2018-08-31 |
Family
ID=63263272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810356399.5A Pending CN108468766A (en) | 2018-04-19 | 2018-04-19 | Tensioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108468766A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6264578B1 (en) * | 1998-06-26 | 2001-07-24 | Unitta Company | Belt tensioner with vibration damping function |
| CN2755295Y (en) * | 2004-12-18 | 2006-02-01 | 重庆宗申技术开发研究有限公司 | Tensioner of engine for motorcycle |
| CN102278435A (en) * | 2010-06-11 | 2011-12-14 | 伊威斯发动机系统有限责任两合公司 | Tensioning system with stop bracket |
| CN103836135A (en) * | 2012-11-27 | 2014-06-04 | 谢夫勒科技股份两合公司 | Mechanical clamping apparatus for traction mechanism of traction mechanism gear |
| CN205824064U (en) * | 2016-06-22 | 2016-12-21 | 玉环常捷机械有限公司 | A kind of chain tensioning device |
-
2018
- 2018-04-19 CN CN201810356399.5A patent/CN108468766A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6264578B1 (en) * | 1998-06-26 | 2001-07-24 | Unitta Company | Belt tensioner with vibration damping function |
| CN2755295Y (en) * | 2004-12-18 | 2006-02-01 | 重庆宗申技术开发研究有限公司 | Tensioner of engine for motorcycle |
| CN102278435A (en) * | 2010-06-11 | 2011-12-14 | 伊威斯发动机系统有限责任两合公司 | Tensioning system with stop bracket |
| CN103836135A (en) * | 2012-11-27 | 2014-06-04 | 谢夫勒科技股份两合公司 | Mechanical clamping apparatus for traction mechanism of traction mechanism gear |
| CN205824064U (en) * | 2016-06-22 | 2016-12-21 | 玉环常捷机械有限公司 | A kind of chain tensioning device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180831 |