CN206958212U - A kind of belt pulley adjustment mechanism - Google Patents
A kind of belt pulley adjustment mechanism Download PDFInfo
- Publication number
- CN206958212U CN206958212U CN201720961685.5U CN201720961685U CN206958212U CN 206958212 U CN206958212 U CN 206958212U CN 201720961685 U CN201720961685 U CN 201720961685U CN 206958212 U CN206958212 U CN 206958212U
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- CN
- China
- Prior art keywords
- cavity
- kelly
- belt
- gear
- threaded rod
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Abstract
The utility model discloses a kind of belt pulley adjustment mechanism, including main wheel body, the edge ring of the main wheel body is arranged with belt grooves, arc kelly is connected with by axis of rotation at the notch of the belt grooves, torque spring is arranged with the rotating shaft, inwall of the both ends of the torque spring respectively with arc kelly and belt grooves is fixedly connected, it is surround in the main wheel body and is provided with multiple cavitys, threaded rod is rotatably connected in the cavity, screw thread is socketed with first gear on the threaded rod, the second gear being meshed with first gear is provided with the cavity, connected between the second gear and the inwall of cavity by bar rotation, the one end of the bull stick away from second gear runs through the inwall of cavity and is fixedly connected with handle.The utility model allows the size of belt pulley to be adjusted accordingly according to the diameter of belt, avoids the problem of belt after certain time using just needing to change, while save certain resource by the setting of many places governor motion.
Description
Technical field
It the utility model is related to mechanical equipment technical field, more particularly to a kind of belt pulley adjustment mechanism.
Background technology
Belt pulley, belong to hub class part, general relative size is bigger, typically to cast, be forged in manufacturing process
Main, the larger method being designed as with casting of stock size, material is typically all cast iron, seldom smaller with cast steel, stock size
, it can be designed as forging, material is steel, and belt pulley is mainly used in the occasion of Long Distant Transmit power, such as small diesel engine
The output of power, agricultural vehicle, tractor, automobile, mining machinery, machining equipment, textile machine, package packing machine, lathe, forging
Bed, the transmission of some fraction horsepower motorcycle powers, the transmission of agricultural machinery power, air compressor machine, decelerator, reductor, generator,
Cotton gin etc..But existing belt sheave structure is relatively simple, the size of belt pulley can not carry out phase according to the diameter of belt
The regulation answered, after belt is using certain time diameter become just need to change greatly, so as to cause it is certain freely waste, exist
Certain use defect.
Utility model content
The purpose of this utility model is that belt sheave structure is relatively simple in order to solve in the prior art, the size of belt pulley without
Method carries out corresponding, diameter change big the problem of just needing to change after belt is using certain time according to the diameter of belt, and carries
A kind of belt pulley adjustment mechanism gone out.
To achieve these goals, the utility model employs following technical scheme：
A kind of belt pulley adjustment mechanism, including main wheel body, the edge ring of the main wheel body are arranged with belt grooves, the belt
Arc kelly is connected with by axis of rotation at the notch of groove, torque spring is arranged with the rotating shaft, the torque spring
Inwall of the both ends respectively with arc kelly and belt grooves is fixedly connected, and is surround in the main wheel body and is provided with multiple cavitys, the sky
Intracavitary is rotatably connected to threaded rod, and screw thread is socketed with first gear on the threaded rod, is provided with the cavity and first gear
The second gear being meshed, connected between the second gear and the inwall of cavity by bar rotation, the bull stick is away from
One end of two gears through cavity inwall and be fixedly connected with handle, one end of the handle is provided with port, in the port
Kelly is slidably connected, the both ends of the kelly extend through the both ends of port and stretched out, on the outer wall of the main wheel body
Around multiple necks corresponding with kelly are provided with, the kelly is fixedly connected with fixture block, the kelly close to one end of main wheel body
One end away from fixture block is fixedly connected with fixed block, and one end of the threaded rod is run through the inwall of cavity and prolonged into belt grooves
Stretch, one end of the threaded rod extension is fixedly connected with support block, and the inner bottom part of the support block and belt grooves passes through multiple resistances
Buddhist nun's damper connects.
Preferably, multiple balls are slidably connected in the cavity, the edge of the ball and the outer wall of threaded rod connect
Touch.
Preferably, rotated on the bull stick and be socketed with two support sets, the relative side of two support sets respectively with
The outer wall of cavity inner wall and main wheel body offsets.
Preferably, spring is arranged with the kelly, the both ends of the spring are fixedly connected with fixture block and handle respectively.
Preferably, the one end of the threaded rod away from support block is fixedly connected with limited block.
Preferably, the one end of the support block away from threaded rod is provided with groove.
In the utility model, user when in use, according to the diameter of belt, first pulls out kelly, makes kelly from master
Extracted out in neck on wheel body, then swing handle drives bar rotation, passes through the engagement between first gear and second gear
Effect drives threaded rod to rotate, so as to drive support block to move up and down, while ball can reduce threaded rod and cavity inner wall it
Between frictional force, then unclamp kelly, now automatic rebounding blocks handle to kelly under the action of the spring.The utility model passes through
The setting of many places governor motion, the size of belt pulley is adjusted accordingly according to the diameter of belt, avoid belt
The problem of using just needing to change after certain time, while save certain resource.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of belt pulley adjustment mechanism positive structure diagram；
Fig. 2 be the utility model proposes a kind of belt pulley adjustment mechanism threaded rod at side structure schematic view；
Fig. 3 is structural representation at Fig. 1 A；
Fig. 4 is structural representation at Fig. 2 B.
In figure：1 main wheel body, 2 rotating shafts, 3 arc kellies, 4 threaded rods, 5 first gears, 6 second gears, 7 bull sticks, 8 handles,
9 kellies, 10 fixture blocks, 11 fixed blocks, 12 support blocks, 13 damping shock absorbers, 14 balls, 15 support sets, 16 springs, 17 limited blocks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
In description of the present utility model, it is to be understood that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " top ", " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
Reference picture 1-4, a kind of belt pulley adjustment mechanism, including main wheel body 1, the edge ring of main wheel body 1 are arranged with belt grooves,
For placing belt, arc kelly 3 is rotatably connected to by rotating shaft 2 at the notch of belt grooves, for fixing belt, in rotating shaft 2
It is arranged with torque spring, the inwall of the both ends of torque spring respectively with arc kelly 3 and belt grooves is fixedly connected, and makes arc kelly
3 automatic reboundings block belt, and the inner ring of main wheel body 1 is arranged with multiple cavitys, threaded rod 4 is rotatably connected in cavity, for driving
Support block 12 moves, and screw thread is socketed with first gear 5 on threaded rod 4, is provided with for driving threaded rod 4 to move, in cavity and the
The second gear 6 that one gear 5 is meshed, for driving first gear 5 to rotate, pass through between second gear 6 and the inwall of cavity
Bull stick 7 is rotatablely connected, and the one end of bull stick 7 away from second gear 6 runs through the inwall of cavity and is fixedly connected with handle 8, for turning
Turn bar 7, one end of handle 8 are provided with port, kelly 9 are slidably connected in port, for fixing handle 8, the both ends point of kelly 9
Not Guan Chuan port both ends and stretch out, around being provided with multiple necks corresponding with kelly 9, kelly 9 on the outer wall of main wheel body 1
Be fixedly connected with fixture block 10 close to one end of main wheel body 1, prevent kelly 9 from departing from from handle 8, kelly 9 away from fixture block 10 one
End is fixedly connected with fixed block 11, prevents kelly 9 from departing from from handle 8, one end of threaded rod 4 through cavity inwall and to skin
Extend in trough of belt, one end that threaded rod 4 extends is fixedly connected with support block 12, for supporting belt, support block 12 and belt grooves
Inner bottom part connected by multiple damping shock absorbers 13, prevent support block 12 from rotating.
Multiple balls 14, the edge of ball 14 and the outer wall phase of threaded rod 4 are slidably connected in the utility model, in cavity
Contact, reduce the frictional force between threaded rod 4 and cavity, rotated on bull stick 7 and be socketed with two support sets 15, two support sets 15
Outer wall of the relative side respectively with cavity inner wall and main wheel body 1 is offseted, and anti-dog link 7 is rocked, and spring is arranged with kelly 9
16, the both ends of spring 16 are fixedly connected with fixture block 10 and handle 8 respectively, kelly 9 is blocked handle 8, screw thread with automatic rebounding
The one end of bar 4 away from support block 12 is fixedly connected with limited block 17, prevents the accommodative excess of threaded rod 4, line support block 12 is away from spiral shell
One end of rasp bar 4 is provided with groove, for placing belt.
In the utility model, according to the diameter of belt, kelly 9 is first pulled out, makes kelly 9 from the neck on main wheel body 1
Middle extraction, then swing handle 8 drive bull stick 7 to rotate, driven by engagement between first gear 5 and second gear 6
Threaded rod 4 rotates, and so as to drive support block 12 to move up and down, while ball 14 can reduce between threaded rod 4 and cavity inner wall
Frictional force, then unclamp kelly 9, now automatic rebounding blocks handle 8 to kelly 9 under the action of the spring 16.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of belt pulley adjustment mechanism, including main wheel body（1）, it is characterised in that the main wheel body（1）Edge ring be arranged with
Belt grooves, pass through rotating shaft at the notch of the belt grooves（2）It is rotatably connected to arc kelly（3）, the rotating shaft（2）On be arranged with
Torque spring, the both ends of the torque spring respectively with arc kelly（3）It is fixedly connected with the inwall of belt grooves, the main wheel body
（1）Inner ring is arranged with multiple cavitys, and threaded rod is rotatably connected in the cavity（4）, the threaded rod（4）Upper screw thread is socketed with
First gear（5）, it is provided with the cavity and first gear（5）The second gear being meshed（6）, the second gear（6）With
Pass through bull stick between the inwall of cavity（7）Rotation connection, the bull stick（7）Away from second gear（6）One end through cavity
Inwall is simultaneously fixedly connected with handle（8）, the handle（8）One end be provided with port, slidably connect kelly in the port
（9）, the kelly（9）Both ends extend through the both ends of port and stretch out, the main wheel body（1）Outer wall on around setting
Have and kelly（9）Corresponding multiple necks, the kelly（9）Close to main wheel body（1）One end be fixedly connected with fixture block（10）, institute
State kelly（9）Away from fixture block（10）One end be fixedly connected with fixed block（11）, the threaded rod（4）One end through cavity
Inwall simultaneously extends into belt grooves, the threaded rod（4）One end of extension is fixedly connected with support block（12）, the support block
（12）Pass through multiple damping shock absorbers with the inner bottom part of belt grooves（13）Connection.
2. a kind of belt pulley adjustment mechanism according to claim 1, it is characterised in that slidably connected in the cavity more
Individual ball（14）, the ball（14）Edge and threaded rod（4）Outer wall be in contact.
A kind of 3. belt pulley adjustment mechanism according to claim 1, it is characterised in that the bull stick（7）It is upper to rotate socket
There are two support sets（15）, two support sets（15）Relative side respectively with cavity inner wall and main wheel body（1）Outer wall
Offset.
A kind of 4. belt pulley adjustment mechanism according to claim 1, it is characterised in that the kelly（9）On be arranged with bullet
Spring（16）, the spring（16）Both ends respectively with fixture block（10）And handle（8）It is fixedly connected.
A kind of 5. belt pulley adjustment mechanism according to claim 1, it is characterised in that the threaded rod（4）Away from support
Block（12）One end be fixedly connected with limited block（17）.
A kind of 6. belt pulley adjustment mechanism according to claim 1, it is characterised in that the support block（12）Away from screw thread
Bar（4）One end be provided with groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961685.5U CN206958212U (en) | 2017-08-03 | 2017-08-03 | A kind of belt pulley adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961685.5U CN206958212U (en) | 2017-08-03 | 2017-08-03 | A kind of belt pulley adjustment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206958212U true CN206958212U (en) | 2018-02-02 |
Family
ID=61380543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720961685.5U Expired - Fee Related CN206958212U (en) | 2017-08-03 | 2017-08-03 | A kind of belt pulley adjustment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206958212U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108486705A (en) * | 2018-06-04 | 2018-09-04 | 临沂市沃达机械有限公司 | A kind of synchronizing bar belt pulley for frame |
| CN108486706A (en) * | 2018-05-24 | 2018-09-04 | 临沂市沃达机械有限公司 | A kind of big belt wheel for frame |
| CN111038930A (en) * | 2019-12-20 | 2020-04-21 | 合肥职业技术学院 | Belt conveyor with integrated tensioning transmission wheels |
| CN115399586A (en) * | 2022-07-18 | 2022-11-29 | 江西金虎保险设备集团有限公司 | Rotating wheel with random variable diameter for compact shelf |
-
2017
- 2017-08-03 CN CN201720961685.5U patent/CN206958212U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108486706A (en) * | 2018-05-24 | 2018-09-04 | 临沂市沃达机械有限公司 | A kind of big belt wheel for frame |
| CN108486705A (en) * | 2018-06-04 | 2018-09-04 | 临沂市沃达机械有限公司 | A kind of synchronizing bar belt pulley for frame |
| CN111038930A (en) * | 2019-12-20 | 2020-04-21 | 合肥职业技术学院 | Belt conveyor with integrated tensioning transmission wheels |
| CN111038930B (en) * | 2019-12-20 | 2022-06-17 | 合肥职业技术学院 | Belt conveyor with integrated tensioning transmission wheels |
| CN115399586A (en) * | 2022-07-18 | 2022-11-29 | 江西金虎保险设备集团有限公司 | Rotating wheel with random variable diameter for compact shelf |
| CN115399586B (en) * | 2022-07-18 | 2023-08-25 | 江西金虎保险设备集团有限公司 | Arbitrary reducing runner for compact shelf |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20210803 |