CN211117407U - Chain transmission tensioning device - Google Patents
Chain transmission tensioning device Download PDFInfo
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- CN211117407U CN211117407U CN201922069164.0U CN201922069164U CN211117407U CN 211117407 U CN211117407 U CN 211117407U CN 201922069164 U CN201922069164 U CN 201922069164U CN 211117407 U CN211117407 U CN 211117407U
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- sprocket
- diaphragm
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- chain
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Abstract
The utility model discloses a chain transmission tensioning device, including the diaphragm, the diaphragm is provided with two sets of in the front and back direction, two sets of parallel symmetry settings of diaphragm, lower extreme fixedly connected with riser in the middle of the diaphragm, front and back side diaphragm left side is rotated and is connected with left sprocket, front and back side diaphragm right side is rotated and is connected with right sprocket, front and back side riser below is rotated and is connected with adjusting sprocket, be connected with the transmission chain between left sprocket, right sprocket and the adjusting sprocket, simple structure, the structure is clear and understandable, left sprocket and right sprocket move along the cross slot to left and right sides under compression spring's effect, and at this moment, compression spring's elasticity transmits the adjusting sprocket through the transmission chain, adjusting sprocket moves up along the vertical slot, and the extension spring of adjusting sprocket upper end is compressed to realize the degree regulation, left sprocket and right sprocket and adjusting sprocket remain stable triangle state under the effect of spring throughout, good stability, simple operation, convenient adjustment and worth popularizing.
Description
Technical Field
The utility model relates to a chain drive technical field specifically is a chain drive overspeed device tensioner.
Background
In chain drives, chain tensioners are often provided to avoid poor meshing and chain vibration due to excessive chain sag, and to increase the wrap angle between the chain and the sprocket. The existing chain tensioning mode comprises periodic tensioning adjustment, supporting tensioning and automatic tensioning. These adjustments are relatively cumbersome, time and labor consuming, labor intensive, and do not result in automatic leveling of the conveyor chain after adjustment, and thus, a need exists for a chain drive tensioner.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a chain drive overspeed device tensioner to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a chain drive overspeed device tensioner, includes the diaphragm, the diaphragm is provided with two sets ofly on the front and back direction, and two sets of parallel symmetry of diaphragm set up, lower extreme fixedly connected with riser in the middle of the diaphragm, side diaphragm left side rotation is connected with left sprocket around, and side diaphragm right side rotation is connected with right sprocket around, and side riser below is rotated and is connected with adjusting sprocket around, be connected with the transmission chain between left side sprocket, right sprocket and the adjusting sprocket.
Preferably, a rotating shaft is rotatably arranged between the left chain wheel and the right chain wheel, the front end of the rotating shaft penetrates through the front lateral transverse plate and is connected with a fixed block, and the rear end of the rotating shaft penetrates through the rear lateral transverse plate and is connected with a compression nut.
Preferably, the left and right sides is provided with the cross slot on the diaphragm, the pivot front and back end passes the front and back side cross slot setting, both sides are provided with first lantern ring around left side sprocket and the right sprocket, first lantern ring cover is established at the pivot surface, and the first lantern ring outer joint of front and back side has first link frame, is connected with compression spring between the first link frame of left and right sides.
Preferably, be provided with on the riser and erect the groove, it is connected with the bull stick to rotate in the middle of the adjusting sprocket, be provided with the second lantern ring around the adjusting sprocket, the second lantern ring cover is established at the bull stick surface, the bull stick front end passes the front side and erects the groove setting and connect the stopper, the bull stick rear end passes the rear side and erects the groove setting and be connected with fixation nut, is connected with the second link between the front and back side second lantern ring, and front and back side riser upper end is connected with the roof, be connected with extension spring under the roof between terminal surface and the link.
Preferably, the first connection frame and the second connection frame are arranged in a 'U' shape.
Preferably, the compression spring has a greater spring constant than the extension spring.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, the structure is clear and understandable, left side sprocket and right sprocket move along the cross slot to left and right sides under compression spring's effect, and at this moment, compression spring's elasticity passes through the transmission chain and transmits for adjusting sprocket, adjusting sprocket is along erecting groove rebound, the extension spring of adjusting sprocket upper end is compressed, thereby realize the rate of tension and adjust, left side sprocket and right sprocket and adjusting sprocket remain stable triangle state under the effect of spring all the time, good stability, and the operation is simple, and the regulation is convenient, and is worth promoting.
Drawings
FIG. 1 is a schematic view of the overall construction of a chain drive tensioner;
FIG. 2 is a top plan view, partially in schematic form, of a chain drive tensioner;
FIG. 3 is a partial schematic left side view of a chain drive tensioner.
In the figure: 1-vertical plate, 2-vertical groove, 3-adjusting chain wheel, 4-transverse plate, 5-transverse groove, 6-left chain wheel, 7-transmission chain, 8-right chain wheel, 9-first connecting frame, 10-compression nut, 11-rotating shaft, 12-fixing block, 13-first lantern ring, 14-compression spring, 15-limiting block, 16-rotating rod, 17-second lantern ring, 18-top plate, 19-extension spring, 20-second connecting frame and 21-fixing nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a chain transmission tensioning device comprises a transverse plate 4, wherein two groups of transverse plates 4 are arranged in the front and rear direction, the two groups of transverse plates 4 are symmetrically arranged in parallel, a vertical plate 1 is fixedly connected to the middle lower end of the transverse plate 4, a left chain wheel 6 is rotatably connected to the left side of the front and rear transverse plates 4, a right chain wheel 8 is rotatably connected to the right side of the front and rear transverse plates 4, an adjusting chain wheel 3 is rotatably connected to the lower side of the front and rear transverse plates 1, a transmission chain 7 is connected between the left chain wheel 6, the right chain wheel 8 and the adjusting chain wheel 3, a rotating shaft 11 is rotatably arranged between the left chain wheel 6 and the right chain wheel 8, the front end of the rotating shaft 11 passes through the front transverse plate 4 and is connected with a fixed block 12, the rear end of the rotating shaft 11 passes through the rear transverse plate 4 and is connected with a compression nut 10, transverse grooves 5 are arranged on the left and right sides of the transverse plate 4, the first lantern ring 13 is sleeved on the outer surface of the rotating shaft 11, the first lantern rings 13 at the front side and the rear side are externally connected with a first connecting frame 9, a compression spring 14 is connected between the first connecting frames 9 at the left side and the right side, a vertical groove 2 is arranged on the vertical plate 1, a rotating rod 16 is rotatably connected in the middle of the adjusting chain wheel 3, the front and the back of the adjusting chain wheel 3 are provided with second sleeve rings 17, the second sleeve rings 17 are sleeved on the outer surface of the rotating rod 16, the front end of the rotating rod 16 passes through the front vertical groove 2 and is connected with the limiting block 15, the rear end of the rotating rod 16 passes through the rear vertical groove 2 and is connected with the fixing nut 21, the second connecting frame 20 is connected between the front and rear second sleeves, the upper ends of the front and rear vertical plates 1 are connected with the top plate 18, an extension spring 19 is connected between the lower end face of the top plate 18 and the connecting frame 20, the first connecting frame 9 and the second connecting frame 20 are arranged in a 'U' shape, and the elastic coefficient of the compression spring 14 is larger than that of the extension spring 19.
The utility model provides a left sprocket 6, be connected with transmission chain 7 between right sprocket 8 and the adjusting sprocket 3, left sprocket 6, right sprocket 8 and 3 synchronous drive of adjusting sprocket, adjust the rate of tension between left sprocket 6 and the right sprocket 8 as required, at this moment, loosen gland nut 10, left sprocket 6 and right sprocket 8 remove along the cross slot 5 to controlling both sides under compression spring 14's effect, and at this moment, compression spring 14's elasticity transmits for adjusting sprocket 3 through transmission chain 7, adjusting sprocket 3 moves up along erecting groove 2, extension spring 19 of adjusting sprocket 3 upper end is compressed, thereby realize rate of tension and adjust, screw gland nut 10 and fixation nut 21 afterwards, transmission chain 7 at this moment continues to keep tight state, and easy operation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A chain drive tensioner comprising a cross plate (4), characterized in that: diaphragm (4) are provided with two sets ofly on the front and back direction, two sets of parallel symmetry setting of diaphragm (4), lower extreme fixedly connected with riser (1) in the middle of diaphragm (4), and front and back side diaphragm (4) left side is rotated and is connected with left sprocket (6), and front and back side diaphragm (4) right side is rotated and is connected with right sprocket (8), and front and back side riser (1) below is rotated and is connected with adjusting sprocket (3), be connected with transmission chain (7) between left side sprocket (6), right sprocket (8) and adjusting sprocket (3).
2. A chain drive tensioner as set forth in claim 1, wherein: the chain wheel is characterized in that a rotating shaft (11) is rotatably arranged between the left chain wheel (6) and the right chain wheel (8), the front end of the rotating shaft (11) penetrates through the front side transverse plate (4) and is connected with a fixing block (12), and the rear end of the rotating shaft (11) penetrates through the rear side transverse plate (4) and is connected with a compression nut (10).
3. A chain drive tensioner as set forth in claim 2, wherein: the left and right sides is provided with cross slot (5) on diaphragm (4), the pivot (11) front and back end is passed front and back side cross slot (5) and is set up, both sides are provided with first lantern ring (13) around left side sprocket (6) and right sprocket (8), first lantern ring (13) cover is established at pivot (11) surface, and first lantern ring (13) outer joint of front and back side has first link (9), is connected with compression spring (14) between the first link (9) of the left and right sides.
4. A chain drive tensioner as set forth in claim 3, wherein: be provided with on riser (1) and erect groove (2), it is connected with bull stick (16) to rotate in the middle of adjusting sprocket (3), be provided with the second lantern ring (17) around adjusting sprocket (3), the second lantern ring (17) cover is established at bull stick (16) surface, bull stick (16) front end is passed the front side and is erected groove (2) and set up and connect stopper (15), bull stick (16) rear end is passed rear side and is erected groove (2) and set up and be connected with fixation nut (21), is connected with second link (20) between the front and back side second lantern ring, and front and back side riser (1) upper end is connected with roof (18), be connected with extension spring (19) under roof (18) between terminal surface and link (20).
5. A chain drive tensioner as set forth in claim 4, wherein: the first connecting frame (9) and the second connecting frame (20) are arranged in a U shape.
6. A chain drive tensioner as set forth in claim 5, wherein: the spring constant of the compression spring (14) is greater than the spring constant of the tension spring (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922069164.0U CN211117407U (en) | 2019-11-26 | 2019-11-26 | Chain transmission tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922069164.0U CN211117407U (en) | 2019-11-26 | 2019-11-26 | Chain transmission tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211117407U true CN211117407U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922069164.0U Active CN211117407U (en) | 2019-11-26 | 2019-11-26 | Chain transmission tensioning device |
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| CN (1) | CN211117407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112372758A (en) * | 2020-10-19 | 2021-02-19 | 何顺 | Wood block cutter changing machine for building materials |
-
2019
- 2019-11-26 CN CN201922069164.0U patent/CN211117407U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112372758A (en) * | 2020-10-19 | 2021-02-19 | 何顺 | Wood block cutter changing machine for building materials |
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