CN206246618U - A kind of chain tightener - Google Patents
A kind of chain tightener Download PDFInfo
- Publication number
- CN206246618U CN206246618U CN201621278938.0U CN201621278938U CN206246618U CN 206246618 U CN206246618 U CN 206246618U CN 201621278938 U CN201621278938 U CN 201621278938U CN 206246618 U CN206246618 U CN 206246618U
- Authority
- CN
- China
- Prior art keywords
- screw
- chain
- sprocket wheel
- torsion spring
- axis hole
- 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 is related to a kind of chain tightener, including support, the first chain wheel assembly, the second chain wheel assembly and torsion spring member；The first axis hole and the second axis hole are offered on support, die cavity is further opened with support；First chain wheel assembly includes the first sprocket wheel, cutting ferrule, the first screw and nut；Second chain wheel assembly includes the second sprocket wheel, screw axis, the first packing ring, pad and clip；Torsion spring member includes torsion spring, driver blade, brazier head screw, second packing ring, bumping post and soket head cap screw.The utility model simple structure, flexible and convenient to use, simple to operate, tight chain effect is good, safe.
Description
Technical field
The utility model is related to chain dismantling tool field, more particularly to a kind of chain tightener.
Background technology
It is chaindriven to apply widely in Design of Mechanical Product, and what single driving-chain was applied in every field
At most.The installing/dismounting of single driving-chain is bothered very much in the case of no specialist tools, and chain is elastic flat to transmission
Must be tightened as early as possible after stability influence is very big, therefore chain is lax.
In the prior art, such as Patent No. 201120498565.9, the applying date is 2011.12.05《Tensioning chain of scraper conveyor
Device》, the utility model efficiently solves scraper conveyer chain pinches to connect and uses easily stretchable at cooperating chain formula chain tightener hook, wound
People, cumbersome problem, reach the purpose of safe handling.But the utility model structure is complex, using more inconvenience,
Relatively complicated, tight chain less effective is operated, is needed further improvement.
Utility model content
In view of the above-mentioned state of the art, technical problem to be solved in the utility model is to provide a kind of structure letter
Single, flexible and convenient to use, the simple to operate, chain tightener that tight chain effect is good, safe.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：A kind of chain tightener, including support, first
Chain wheel assembly, the second chain wheel assembly and torsion spring member, it is characterised in that：The first axis hole and the second axle are offered on the support
Hole, die cavity is further opened with the support；First chain wheel assembly includes the first sprocket wheel, cutting ferrule, the first screw and nut, institute
The both sides for stating the first sprocket wheel are each provided with a support, and the screw passes through cutting ferrule, the second axis hole being then passed through on support and the
The centre bore of one sprocket wheel, and being fixed with nut screwing clamping in opposite side so that the first sprocket wheel is connected with two supports, and can realize with
Screw rotates for the center of circle.
Further, second chain wheel assembly includes the second sprocket wheel, screw axis, the first packing ring, pad and clip, described
Second sprocket wheel is embedded between two supports；Baffle ring is formed in the middle part of the screw axis, the side of the baffle ring forms
One multi-diameter shaft, the other end side of first multi-diameter shaft offers draw-in groove；The opposite side of the baffle ring forms the second ladder
Axle, the other end of second multi-diameter shaft forms the 3rd multi-diameter shaft, and the other end of the 3rd multi-diameter shaft forms fourth order
Terraced axle, inner hexagonal hole is offered on the end face of the fourth order ladder axle.
Further, the screw axis pass through the first packing ring, are then passed through the first axis hole and the second sprocket wheel on two supports
Centre bore, and be nested with pad in opposite side, be embedded with clip in the draw-in groove so that the second sprocket wheel and two support phases
Connect, and it is that the center of circle rotates that can realize with screw axis.
Further, the torsion spring member includes torsion spring, driver blade, brazier head screw, second packing ring, bumping post and interior hexagonal spiral shell
Nail, offers Triaxial hole, the 4th axis hole, the 5th axis hole and counterbore on the driver blade, spiral shell is inserted with the 4th axis hole
Fourth order ladder axle on nail axle.
Further, the soket head cap screw is screwed into the internal thread hole of bumping post one end through the counterbore on driver blade,
So as to bumping post is fixed on driver blade.
Further, the torsion spring is nested in the outside of the first packing ring, and first on the torsion spring is taken pin and be against on cutting ferrule,
On the torsion spring second takes the inner side that pin is against bumping post.
Further, it is inserted with brazier head screw in the 5th axis hole on the driver blade.
Further, the second packing ring is nested in the other end of brazier head screw.
Compared with prior art, the utility model has the advantage of：The utility model simple structure, it is flexible and convenient to use,
Simple to operate, tight chain effect is good, safe.
Brief description of the drawings
Fig. 1 is positive side structure chart of the present utility model；
Fig. 2 is rear structure figure of the present utility model；
Fig. 3 is the structure chart of support of the present utility model；
Fig. 4 is the structure chart of screw axis of the present utility model；
Fig. 5 is the structure chart of driver blade of the present utility model.
Specific embodiment
As Figure 1-5, a kind of chain tightener, including support 1, the first chain wheel assembly, the second chain wheel assembly and torsion spring member；
The first axis hole 101 and the second axis hole 103 are offered on support 1, die cavity 102 is further opened with support 1；First chain wheel assembly includes
First sprocket wheel 2, cutting ferrule 3, the first screw 4 and nut 14, the both sides of the first sprocket wheel 2 are each provided with a support 1, and screw 4 is passed through
Cutting ferrule 3, the second axis hole 103 and the centre bore of the first sprocket wheel 2 being then passed through on support 1, and tightened in opposite side nut 14 solid
It is fixed so that the first sprocket wheel 2 is connected with two supports 1, and can realize with screw 4 as the center of circle rotates；Second chain wheel assembly includes the
Two sprocket wheels 10, screw axis 11, the first packing ring 15, pad 12 and clip 13, the second sprocket wheel 10 are embedded between two supports 1；Spiral shell
The middle part for following closely axle 11 forms baffle ring 111, and the side of baffle ring 111 forms the first multi-diameter shaft 112, the first multi-diameter shaft 112 it is another
One end side offers draw-in groove 113；The opposite side of baffle ring 111 forms the second multi-diameter shaft 114, the second multi-diameter shaft 114 it is another
End forms the 3rd multi-diameter shaft 116, and the other end of the 3rd multi-diameter shaft 116 forms fourth order ladder axle 115, fourth order ladder axle 115
End face on offer inner hexagonal hole 117；Screw axis 11 pass through the first packing ring 15, are then passed through the first axis hole on two supports 1
101 and second sprocket wheel 10 centre bore, and be nested with pad 12 in opposite side, then the embedded clip 13 in draw-in groove 113 so that
Second sprocket wheel 10 is connected with two supports 1, and can realize with screw axis 11 as the center of circle rotates；Torsion spring member includes torsion spring 5, transmission
Piece 6, brazier head screw 7, second packing ring 8, bumping post 9 and soket head cap screw 16, offer Triaxial hole 61, the 4th axle on driver blade 6
Hole 62, the 5th axis hole 64 and counterbore 63, are inserted with the fourth order ladder axle 115 in screw axis 11 in the 4th axis hole 62；Interior hexagonal spiral shell
Nail 16 is screwed into the internal thread hole of the one end of bumping post 9 through the counterbore 63 on driver blade 6, so as to bumping post 9 is fixed on into driver blade
On 6；Torsion spring 5 is nested in the outside of the first packing ring 15, and first on torsion spring 5 is taken pin 51 and be against on cutting ferrule 3, and on torsion spring 5 second
Take the inner side that pin 52 is against bumping post 9；Brazier head screw 7 is inserted with the 5th axis hole 64 on driver blade 6, second packing ring 8 is nested in
The other end of brazier head screw 7；When using, the outside of the first sprocket wheel 2 and the second sprocket wheel 10 is arranged with the chain for needing tensioning, relies on
The bounce of torsion spring 5, bumping post 9 can rotate to an angle, while driving driver blade 6 to rotate, finally make brazier head screw 7 and its connection
Part rotate together with, play a part of tension chain.
The utility model simple structure, flexible and convenient to use, simple to operate, tight chain effect is good, safe.
Finally it should be noted that：Above example is only used to illustrate the technical solution of the utility model, rather than its limitations；
Although being described in detail to the utility model with reference to the foregoing embodiments, it will be understood by those of skill in the art that its according to
The technical scheme described in foregoing embodiments can so be modified, or which part technical characteristic is replaced on an equal basis
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technical scheme of the utility model
Spirit and scope.
Claims (8)
1. a kind of chain tightener, including support, the first chain wheel assembly, the second chain wheel assembly and torsion spring member, it is characterised in that：It is described
The first axis hole and the second axis hole are offered on support, die cavity is further opened with the support；First chain wheel assembly includes the
One sprocket wheel, cutting ferrule, the first screw and nut, the both sides of first sprocket wheel are each provided with a support, and the screw passes through card
Set, the second axis hole and the centre bore of the first sprocket wheel being then passed through on support, and fixed with nut screwing clamping in opposite side so that first
Sprocket wheel is connected with two supports, and can realize being rotated by the center of circle of screw.
2. a kind of chain tightener according to claim 1, it is characterised in that：Second chain wheel assembly include the second sprocket wheel,
Screw axis, the first packing ring, pad and clip, the second sprocket wheel insertion is between two supports；The middle part of the screw axis into
The side that type has baffle ring, the baffle ring forms the first multi-diameter shaft, and the other end side of first multi-diameter shaft offers draw-in groove；
The opposite side of the baffle ring forms the second multi-diameter shaft, and the other end of second multi-diameter shaft forms the 3rd multi-diameter shaft, described
The other end of the 3rd multi-diameter shaft forms fourth order ladder axle, and inner hexagonal hole is offered on the end face of the fourth order ladder axle.
3. a kind of chain tightener according to claim 2, it is characterised in that：The screw axis pass through the first packing ring, are then passed through
The centre bore of the first axis hole and the second sprocket wheel on two supports, and pad is nested with opposite side, it is embedded with the draw-in groove
Clip so that the second sprocket wheel is connected with two supports, and can realize being rotated by the center of circle of screw axis.
4. a kind of chain tightener according to claim 1, it is characterised in that：The torsion spring member includes torsion spring, driver blade, flat
Head screw, second packing ring, bumping post and soket head cap screw, offer Triaxial hole, the 4th axis hole, the 5th axis hole on the driver blade
And counterbore, the fourth order ladder axle in screw axis is inserted with the 4th axis hole.
5. a kind of chain tightener according to claim 4, it is characterised in that：The soket head cap screw passes through heavy on driver blade
Hole, is screwed into the internal thread hole of bumping post one end, so as to bumping post is fixed on driver blade.
6. a kind of chain tightener according to claim 4, it is characterised in that：The torsion spring is nested in the outside of the first packing ring,
On the torsion spring first takes pin is against on cutting ferrule, and second on the torsion spring takes the inner side that pin is against bumping post.
7. a kind of chain tightener according to claim 4, it is characterised in that：It is inserted with the 5th axis hole on the driver blade
Brazier head screw.
8. a kind of chain tightener according to claim 4, it is characterised in that：The second packing ring is nested in the another of brazier head screw
One end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621278938.0U CN206246618U (en) | 2016-11-27 | 2016-11-27 | A kind of chain tightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621278938.0U CN206246618U (en) | 2016-11-27 | 2016-11-27 | A kind of chain tightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206246618U true CN206246618U (en) | 2017-06-13 |
Family
ID=59002455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621278938.0U Expired - Fee Related CN206246618U (en) | 2016-11-27 | 2016-11-27 | A kind of chain tightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206246618U (en) |
-
2016
- 2016-11-27 CN CN201621278938.0U patent/CN206246618U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20171127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |