CN208041073U - A kind of strainer of roller chain - Google Patents
A kind of strainer of roller chain Download PDFInfo
- Publication number
- CN208041073U CN208041073U CN201820486531.XU CN201820486531U CN208041073U CN 208041073 U CN208041073 U CN 208041073U CN 201820486531 U CN201820486531 U CN 201820486531U CN 208041073 U CN208041073 U CN 208041073U
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- China
- Prior art keywords
- roller chain
- nut
- screw rod
- adjusting screw
- strainer
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Abstract
The utility model discloses a kind of strainers of roller chain, including tensioning wheel, tensioning frame, backstand, adjusting screw rod, the first nut and the second nut, tensioning wheel is rotatably mounted on tensioning frame, tensioning wheel is equipped with the first passage slid through for roller chain, tensioning frame is fixedly connected with adjusting screw rod, first nut and the second nut are screwed onto on adjusting screw rod, and backstand is socketed in as fixed support portion on adjusting screw rod and backstand is arranged between the first nut and the second nut.By the backstand of setting, the first nut and the second nut, the tensioning moved up and down and then realize roller chain that the relative position of the first nut and the second nut on adjusting screw rod drives tensioning wheel is only adjusted, it is simple in structure, it operates steadily.
Description
Technical field
The utility model is related to roller chain technical fields, relate more specifically to a kind of strainer of roller chain.
Background technology
Roller chain is a kind of chain for transmitting mechanical power, is widely used in family, industry and agricultural machinery, one
As be formed by connecting by inner plate, outer plate, roller, sleeve, positioning pin, simple in structure, reliable, power transmits efficient.Roller chain
When driven Design, two drive sprocket intervals are long to may result in the sagging of chain, even chain can be made to take off chain, needle when serious
Also occurs corresponding chain stretching device on the market to the problem to adjust the tensioning of the chain degree, to realize the company of machinery
Reforwarding turns.
But complicated, the adjusting inconvenience of existing chain stretching device, and general chain stretching device uses chain
Wheel, in the equipment of some precision drives, it is desirable that the pitch circle length of base tangent of tightener sprocket and driving wheel is the integral multiple of chain link, and
And the integral multiple that the pitch circle length of base tangent of tightener sprocket and driven wheel is chain link；Otherwise the sprocket of tightener sprocket can not just stick into
The roller clearance of chain causes bounce or seismism, influences the stationarity of mechanical movement.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of stable drive, rolling simple in structure
The strainer of subchain.
The utility model institute technique effect to be achieved is realized by following scheme：A kind of strainer of roller chain, packet
It includes tensioning wheel, tensioning frame, backstand, adjusting screw rod, the first nut and the second nut, tensioning wheel and is rotatably mounted to tensioning frame
On, tensioning wheel is equipped with the first passage that is slid through for roller chain, and tensioning frame is fixedly connected with adjusting screw rod, the first nut with
Second nut is screwed onto on adjusting screw rod, and backstand is socketed in as fixed support portion on adjusting screw rod and backstand setting is the
Between one nut and the second nut.
Preferably, the backstand includes first level plate, and first through hole is offered in first level plate, and backstand passes through
First through hole is set on adjusting screw rod.
Preferably, the first through hole internal projection has locating groove, corresponds to the length side of locating groove, the adjusting screw rod
Positioning crack groove is offered upwards, locating groove sticks into positioning crack groove.
Preferably, the tensioning wheel is in H-type, and interior center offers the second through-hole, bearing is equipped in second through-hole
Installation position and clamp spring installation position.
Preferably, the outside of the tensioning wheel has the first side wall, second sidewall and connects the first side wall and second sidewall
The ring wall connect, the first side wall, second sidewall and ring wall be enclosed for roller chain by first passage.
Preferably, the tensioning frame takes the shape of the letter U, and the tensioning wheel is arranged by bearing assembly in the U-shape of tensioning frame.
Preferably, the bearing assembly includes shaft, bearing, clamp spring, positioning plate and positioning bolt.
Preferably, the tensioning frame has the first side frame and the second side frame and connects the bottom of the first side frame and the second side frame
The centre of frame, first side frame and the second side frame offers third through-hole respectively, and shaft is threaded through in third through-hole simultaneously
It is fixedly connected with positioning plate by positioning bolt.
Preferably, the upper end of the adjusting screw rod is fixedly connected with the lower face of chassis.
The utility model has the following advantages：
1, it by the backstand of setting, the first nut and the second nut, only adjusts the first nut and the second nut is being adjusted
Relative position on screw rod drives the tensioning of tensioning wheel moved up and down and then realize roller chain, simple in structure；
2, by being arranged roller chain in the first passage of tensioning wheel, the first passage is by the first side wall, the second side
Wall and ring wall are enclosed, and keep roller chain more stable in the process of running, no sound.
Description of the drawings
Fig. 1 is the dimensional structure diagram of strainer and roller chain link in the utility model；
Fig. 2 is the planar structure schematic diagram of strainer in the utility model；
Fig. 3 is the schematic cross-sectional view at A-A in Fig. 2；
Fig. 4 is the dimensional structure diagram of backstand in the utility model strainer；
Fig. 5 is the dimensional structure diagram of adjusting screw rod in the utility model strainer；
Fig. 6 is the schematic cross-sectional view of tensioning wheel in the utility model strainer；
Fig. 7 is the dimensional structure diagram of tensioning frame in the utility model strainer.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and examples, the examples of the embodiments are in attached drawing
In show, in which the same or similar labels are throughly indicated same or similar elements or with the same or similar functions
Element.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, and cannot understand
For limitations of the present invention.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the utility model.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic." first ", " second ", " third " are defined as a result,
Feature can explicitly or implicitly include one or more this feature." multiple " contain in the description of the present invention,
Justice is two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
Calmly ", the terms such as " setting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, can also be electrical connection；It can be directly connected, can also may be used also indirectly connected through an intermediary
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
As shown in Figure 1, the utility model embodiment provides a kind of strainer of roller chain, wherein roller chain includes several
A roller A and the carrier bar B in roller both sides is set, the structure of the roller chain is common in the art, such as bicycle chain
Deng not illustrating excessively herein.
As shown in Figure 2 and Figure 3, the strainer includes tensioning wheel 100, tensioning frame 200, backstand 300, adjusting screw rod
400, the first nut 500 and the second nut 600, tensioning wheel 100 are rotatably mounted on tensioning frame 200, are set on tensioning wheel 100
There are the first passage 110 slid through for roller chain, tensioning frame 200 to be fixedly connected with adjusting screw rod 400,500 He of the first nut
Second nut 600 is screwed onto on adjusting screw rod 400（It is not shown in figure the helicitic texture of adjusting screw rod 400）, 300 conduct of backstand
Fixed support portion is socketed on adjusting screw rod 400 and backstand 300 is arranged between the first nut 500 and the second nut 600, is led to
Overregulate relative position on adjusting screw rod 400 of the first nut 500 and the second nut 600 drive tensioning wheel 100 on move down
Tensioning that is dynamic and then realizing roller chain, it is simple in structure.
When specific implementation, when need to adjust roller chain it is elastic when, the backstand 300 is used as fixed support portion, high
Degree and position immobilize, and adjusting screw rod 400 is pushed by adjusting the height of the first nut 500 and the second nut 600
It moves up and down, adjusting screw rod 400 moves up and down the elastic tune moved up and down and then realize roller chain for driving tensioning wheel 100
Section.Specifically as shown, the first nut 500 is arranged in the top of backstand 300, the second nut 600 is arranged in backstand 300
The first nut 500 is unscrewed in lower section first when roller chain is more loose, then tighten again the second nut 600 make adjusting screw rod 400 to
Upper movement drives tensioning wheel 100 to move up extruding roller chain in turn, to make roller chain tense.Conversely, first unscrewing the second spiral shell
Mother 600, then tighten the first nut 500 and so that adjusting screw rod 400 is moved down and then tensioning wheel 100 is driven to move down and make roller chain
Relaxation.The utility model embodiment realizes rolling by nut connects the height for adjusting adjusting screw rod 400 with screw flight
The elastic adjusting of subchain, simple in structure, tightness is arbitrarily adjustable, is not limited by spacing positioning.
As shown in Figure 4, Figure 5, further, the backstand 300 includes first level plate 310, the first level plate
First through hole 311 is offered in 310, backstand 300 is set in by first through hole 311 on adjusting screw rod 400.Described first is logical
311 internal projection of hole has locating groove 312, corresponds to offer on the length direction of locating groove 312, the adjusting screw rod 400 and determine
Position slot 410, locating groove 312 stick into make in positioning crack groove 410 channel direction of tensioning wheel 100 always with the direction of roller chain
Unanimously.
As shown in fig. 6, further, the tensioning wheel 100 is in H-type, and interior center offers the second through-hole 120, described
It is equipped with bearing installation position 130 and clamp spring installation position 140 in second through-hole 120.The outside of the tensioning wheel 100 has the first side wall
150, second sidewall 160 and the ring wall 170 for connecting the first side wall 150 and second sidewall 160, the first side wall 150, second
Side wall 160 and ring wall 170 be enclosed for roller chain by first passage 110.
In conjunction with shown in Fig. 3, Fig. 7, further, the tensioning frame 200 takes the shape of the letter U, and the tensioning wheel 100 passes through bearing assembly
700 are arranged in the U-shape of tensioning frame 200, and the bearing assembly 700 includes shaft 710, bearing 720, clamp spring 730, positioning
Plate 740 and positioning bolt 750 etc..Specifically, the tensioning frame 200 has the first side frame 210 and the second side frame 220 and connection
The chassis 230 of first side frame 210 and the second side frame 220, the centre difference of first side frame, 210 and second side frame 220
Third through-hole 240 is offered, shaft 710 is threaded through in third through-hole 240 and is fixed by positioning bolt 750 and positioning plate 740
Connection, the bearing 720 is mounted on 720 installation position 130 of bearing and twisted rotary shaft 710 is arranged, 720 component 700 of the bearing
Tensioning wheel 100 is set to be fixedly connected with tensioning frame 200, and tensioning wheel 100 is rotatable.The upper end of the adjusting screw rod 400 and chassis
230 lower face is fixedly connected.
The strainer for the roller chain that the utility model embodiment provides, passes through tensioning wheel 100, tensioning frame 200, first
Nut 500, the second nut 600, backstand 300 and adjusting screw rod 400 specific position and connection relation can simple adjustment roller
Chain it is elastic, and roller chain is made to operate steadily, will not there is the sound.
Finally, it should be noted that above example be only to illustrate the embodiment of the present invention technical solution rather than to its into
Row limitation, although the embodiment of the present invention is described in detail with reference to preferred embodiment, those skilled in the art
It should be understood that the technical solution of the embodiment of the present invention can be still modified or replaced equivalently, and these are changed or wait
The range of modified technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.
Claims (9)
1. a kind of strainer of roller chain, which is characterized in that including tensioning wheel, tensioning frame, backstand, adjusting screw rod, first
Nut and the second nut, tensioning wheel are rotatably mounted on tensioning frame, and tensioning wheel is equipped with the slid through for roller chain
One channel, tensioning frame are fixedly connected with adjusting screw rod, and the first nut and the second nut are screwed onto on adjusting screw rod, backstand conduct
Fixed support portion is socketed on adjusting screw rod and backstand is arranged between the first nut and the second nut.
2. a kind of strainer of roller chain as described in claim 1, which is characterized in that the backstand includes first level
Plate offers first through hole in first level plate, and backstand is set in by first through hole on adjusting screw rod.
3. a kind of strainer of roller chain as claimed in claim 2, which is characterized in that the first through hole internal projection has fixed
Position card slot corresponds to and offers positioning crack groove on the length direction of locating groove, the adjusting screw rod, and locating groove sticks into positioning and slits
In slot.
4. a kind of strainer of roller chain as described in claim 1, which is characterized in that the tensioning wheel is in H-type, in interior
The heart offers the second through-hole, and bearing installation position and clamp spring installation position are equipped in second through-hole.
5. a kind of strainer of roller chain as described in claim 1, which is characterized in that the outside of the tensioning wheel has the
One side wall, second sidewall and the ring wall for connecting the first side wall with second sidewall, the first side wall, second sidewall and ring wall enclose
Close formed for roller chain by first passage.
6. a kind of strainer of roller chain as described in claim 1, which is characterized in that the tensioning frame takes the shape of the letter U, described
Bearing up pulley is arranged by bearing assembly in the U-shape of tensioning frame.
7. a kind of strainer of roller chain as claimed in claim 6, which is characterized in that the bearing assembly include shaft,
Bearing, clamp spring, positioning plate and positioning bolt.
8. a kind of strainer of roller chain as claimed in claim 7, which is characterized in that the tensioning frame has the first side frame
With the second side frame and the chassis of connection the first side frame and the second side frame, the centre point of first side frame and the second side frame
Third through-hole is not offered, and shaft is threaded through in third through-hole and is fixedly connected with positioning plate by positioning bolt.
9. a kind of strainer of roller chain as claimed in claim 8, which is characterized in that the upper end and bottom of the adjusting screw rod
The lower face of frame is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820486531.XU CN208041073U (en) | 2018-04-08 | 2018-04-08 | A kind of strainer of roller chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820486531.XU CN208041073U (en) | 2018-04-08 | 2018-04-08 | A kind of strainer of roller chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208041073U true CN208041073U (en) | 2018-11-02 |
Family
ID=63943976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820486531.XU Active CN208041073U (en) | 2018-04-08 | 2018-04-08 | A kind of strainer of roller chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208041073U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455907A (en) * | 2018-11-15 | 2019-03-12 | 彩虹（合肥）光伏有限公司 | A kind of calender transition roller table tensioning device |
| CN113048201A (en) * | 2021-03-11 | 2021-06-29 | 江苏沃得高新农业装备有限公司 | Chain tensioning mechanism |
-
2018
- 2018-04-08 CN CN201820486531.XU patent/CN208041073U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455907A (en) * | 2018-11-15 | 2019-03-12 | 彩虹（合肥）光伏有限公司 | A kind of calender transition roller table tensioning device |
| CN113048201A (en) * | 2021-03-11 | 2021-06-29 | 江苏沃得高新农业装备有限公司 | Chain tensioning mechanism |
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