CN209875871U - Anti-loosening adjustable belt pulley - Google Patents
Anti-loosening adjustable belt pulley Download PDFInfo
- Publication number
- CN209875871U CN209875871U CN201920739638.5U CN201920739638U CN209875871U CN 209875871 U CN209875871 U CN 209875871U CN 201920739638 U CN201920739638 U CN 201920739638U CN 209875871 U CN209875871 U CN 209875871U
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- China
- Prior art keywords
- belt
- belt pulley
- cover
- adjusting
- connecting rod
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- Expired - Fee Related
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- 238000009434 installation Methods 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims 2
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model discloses an anti-loosening adjustable belt pulley, including bearing frame, pivot, belt pulley and belt, the pivot is passed through the bearing and is rotated and install on the bearing frame, and the belt pulley is installed at the tip of pivot, and the belt cover is established on the belt pulley, install adjusting device on the terminal surface of bearing frame, the last installation arm that is provided with of adjusting device, the left end of installation arm is rotated and is provided with the pressure roller, the outside rotation cover of pressure roller is equipped with the sleeve, and the pressure roller oppresses at the lower surface of belt and makes its kickup to down and ground, and this anti-loosening adjustable belt pulley provides adjustable pressure to the belt, can prevent effectively that the belt is not hard up, easy operation and swift, and scale mark is as the reference in addition when adjusting the tensioning dynamics.
Description
Technical Field
The utility model relates to a machine parts technical field specifically is an anti-loosening adjustable belt pulley.
Background
The belt pulley is the transmission part in the mechanical transmission, present belt pulley, the structure that has the belt groove is processed on the excircle face of belt pulley mostly, during the use, imbed the belt in the belt groove on the belt pulley, drive driven pulley rotation and realize mechanical rotation work by the drive belt pulley, however, at the rotatory in-process of belt pulley, the problem that becomes flexible appears often with motor drive shaft in belt pulley, reduce the transmission efficiency of belt pulley, consequently the belt pulley all can be provided with straining device, in order to prevent the belt pulley not to become flexible, but current straining device is when adjusting the tensioning dynamics, the step is comparatively loaded down with trivial details, require high to operator's skill proficiency, reduced production efficiency.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an anti-looseness adjustable belt pulley, provide adjustable pressure to the belt, can prevent effectively that the belt is not hard up, easy operation and swift, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adjustable belt pulley of locking moving, includes bearing frame, pivot, belt pulley and belt, and the pivot is passed through the bearing and is rotated and install on the bearing frame, and the belt pulley is installed at the tip of pivot, and the belt cover is established on the belt pulley, install adjusting device on the terminal surface of bearing frame, the last installation arm that is provided with of adjusting device, the left end of installation arm is rotated and is provided with the pressure roller, and the lower surface of belt and make its kickup are oppressed to lower and upper ground to the pressure roller.
As a preferred technical proposal of the utility model, the adjusting device comprises a mounting plate, the mounting plate is fixed on the end surface of a bearing seat by screws, the center of the mounting plate is provided with a main mounting shaft, a rotating ring and an adjusting cover are sleeved on the main mounting shaft in a rotating way, a ratchet wheel is fixedly arranged on the main mounting shaft between the rotating ring and the adjusting cover, a first torsion spring is sleeved on the main mounting shaft below the ratchet wheel, one end of the first torsion spring is fixed on the adjusting cover, the other end of the first torsion spring is fixed on the rotating ring, the rotating ring is connected with a mounting arm, the adjusting cover is in a treasure cover shape, the ratchet wheel is positioned in the adjusting cover, a hollow window is arranged on the arc side surface of the adjusting cover, an auxiliary mounting shaft is longitudinally arranged in the hollow window, a limiting device is arranged on the auxiliary mounting shaft, the limiting device comprises a connecting rod, a finger-pressing plate and a second torsion, the other end is fixed on the connecting rod, a limiting cone is arranged at one end of the connecting rod, a mounting hole is formed in the other end of the connecting rod, a mounting ring is welded on the side face of the lower end of the finger-pressure plate, the connecting rod and the finger-pressure plate are coaxially and rotatably mounted on the auxiliary mounting shaft through the mounting hole and the mounting ring respectively, and a lever arm is welded on the end face of one side, welded with the mounting ring, of the finger-.
As an optimal technical scheme of the utility model, finger board and spacing awl are ironwork, and the back of spacing awl is pasted and is had the magnet piece, and the back of finger board is pasted and is had the slipmat.
As an optimized technical scheme of the utility model, the outside rotation cover of pressure roller is equipped with the sleeve.
As a preferred technical scheme of the utility model, the upper surface of adjusting the lid is provided with and is annular scale.
Compared with the prior art, the beneficial effects of the utility model are that: this locking adjustable belt pulley that moves provides adjustable pressure to the belt, can prevent effectively that the belt is not hard up, easy operation and swift, and scale mark is regarded as the reference in addition when adjusting the tensioning dynamics, and is directly perceived and accurate, and the practicality is higher.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the present invention
FIG. 3 is a schematic perspective view of the adjusting device of the present invention;
fig. 4 is a schematic view of the three-dimensional structure of the limiting device of the present invention.
In the figure: 1 bearing seat, 2 rotating shafts, 3 belt wheels, 4 belts, 5 adjusting devices, 6 mounting arms,
7 pressure rollers, 8 sleeves, 9 mounting plates, 10 main mounting shafts, 11 rotating rings, 12 ratchets, 13 adjusting covers, 14 first torsion springs, 15 auxiliary mounting shafts, 16 limiting devices, 17 second torsion springs, 18 limiting cones, 19 connecting rods, 20 mounting holes, 21 mounting rings, 22 finger pressing plates, 23 lever arms, 24 anti-skidding pads and 25 magnet sheets.
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. 1-4, the present invention provides a technical solution: an anti-loosening adjustable belt pulley comprises a bearing seat 1, a rotating shaft 2, a belt pulley 3 and a belt 4, wherein the rotating shaft 2 is rotatably installed on the bearing seat 1 through a bearing, the belt pulley 3 is installed at the end part of the rotating shaft 2, the belt 4 is sleeved on the belt pulley 3, an adjusting device 5 is installed on the end surface of the bearing seat 1, the adjusting device 5 comprises a mounting plate 9, the mounting plate 9 is fixed on the end surface of the bearing seat 1 through a screw, a main installation shaft 10 is arranged at the center of the mounting plate 9, a rotating ring 11 and an adjusting cover 13 are rotatably sleeved on the main installation shaft 10, an annular graduated scale is arranged on the upper surface of the adjusting cover 13, when the adjusting cover 13 is rotated, the graduated scale can be used as a reference to visually display the rotation amplitude so as to know the elasticity applied to an installation arm 6 by a first torsion spring 14, a ratchet 12 is fixedly arranged on the main installation shaft 10 between the rotating, one end of a first torsion spring 14 is fixed on an adjusting cover 13, the other end of the first torsion spring 14 is fixed on a rotating ring 11, the rotating ring 11 is connected with an installation arm 6, the adjusting cover 13 is rotated to adjust the deformation of the first torsion spring 14, so as to achieve the purpose of adjusting the elasticity of the first torsion spring 14, the elasticity of the first torsion spring 14 drives the installation arm 6 through the rotating ring 11, further drives the compression force of a pressure roller 7 on a belt 4, the elasticity is increased in the forward rotation process, the elasticity is reduced in the reverse rotation process, the forward direction and the reverse direction can be freely arranged, the purpose of adjusting the compression force is achieved by adjusting the elasticity, the adjusting cover 13 is shaped like a treasure cover, a ratchet wheel 12 is positioned inside the adjusting cover 13, a hollow window is arranged on the arc side surface of the adjusting cover 13, a secondary installation shaft 15 is longitudinally arranged in the hollow window, a limiting device 16 is arranged on the secondary installation shaft 15, and the limiting, the limiting device 16 comprises a connecting rod 19, a finger board 22 and a second torsion spring 17, the second torsion spring 17 is sleeved on the auxiliary mounting shaft 15, one end of the second torsion spring 17 is fixed on the auxiliary mounting shaft 15, the other end of the second torsion spring is fixed on the connecting rod 19, one end of the connecting rod 19 is provided with a limiting cone 18, the second torsion spring 17 enables an elastic force to exist between the connecting rod 19 and the auxiliary mounting shaft 15, the elastic force enables the limiting cone 18 to be pressed in a tooth groove of the ratchet 12 to prevent the adjusting cover 13 from rotating reversely relative to the ratchet 12, the other end of the connecting rod 19 is provided with a mounting hole 20, a mounting ring 21 is welded on the side surface of the lower end of the finger board 22, the connecting rod 19 and the finger board 22 are respectively coaxially and rotatably mounted on the auxiliary mounting shaft 15 through the mounting hole 20 and the mounting ring 21, the finger board 22 can be folded on the connecting rod 19 in a turnover manner, the magnet piece 25 is used for adsorbing the turned-over finger-pressure plate 22 to prevent the finger-pressure plate 22 from shaking, the anti-slip pad 24 is adhered to the back surface of the finger-pressure plate 22, the anti-slip pad 24 is used for preventing slipping, the lever arm 23 is welded on the end surface of one side of the finger-pressure plate 22, which is welded with the mounting ring 21, when the elastic force of the first torsion spring 14 needs to be reduced, the finger-pressure plate 22 is rotated by 90 degrees to form a straight line with the connecting rod 19, at this time, the finger-pressure plate 22 is pressed, the lever arm 23 on the finger-pressure plate 22 pries the connecting rod 19 to enable the limiting cone 18 to be separated from the tooth groove of the ratchet wheel 12, at this time, the adjusting cover 13 can be freely rotated reversely to reduce the deformation amount of the first torsion spring 14 so as to achieve the purpose of reducing the elastic force, the mounting arm 6 is arranged on the adjusting device 5, the pressure roller 7 is rotatably arranged at the left end of the mounting arm 6, the sleeve, prevent that the surplus from appearing between belt 4 and the belt pulley 3 and leading to not hard up, through the pressure of adjusting pressure roller 7 and to belt 4 application, can realize different tensioning dynamics, the practicality is good.
When in use: the pressure roller 7 presses the lower surface of the belt 4 from bottom to top and bends the belt 4 upwards to prevent the belt 4 and the belt pulley 3 from loosening due to allowance, the adjusting cover 13 is rotated to adjust the deformation of the first torsion spring 14 to achieve the purpose of adjusting the elasticity of the first torsion spring 14, the elasticity of the first torsion spring 14 drives the mounting arm 6 through the rotating ring 11 to further drive the pressing force of the pressure roller 7 on the belt 4, the elasticity is increased in the forward rotation process, the elasticity is reduced in the reverse rotation process, the purpose of adjusting the pressing force is achieved by adjusting the elasticity, when the adjusting cover 13 is rotated, the scale can be used as a reference to visually display the rotation range to know the elasticity applied to the mounting arm 6 by the first torsion spring 14, the second torsion spring 17 enables the elasticity between the connecting rod 19 and the auxiliary mounting shaft 15 to exist, the elasticity enables the limiting cone 18 to be pressed in the tooth groove of the ratchet 12 to prevent the adjusting cover 13 from reversing relative to the ratchet 12, when the elasticity of the first torsion spring 14 needs to be reduced, the finger-pressing plate 22 is rotated by 90 degrees to be in a straight line with the connecting rod 19, at the moment, the finger-pressing plate 22 is pressed, the lever arm 23 on the finger-pressing plate 22 pries the connecting rod 19, the limiting cone 18 is separated from the tooth groove of the ratchet wheel 12, at the moment, the adjusting cover 13 can freely rotate reversely, so that the deformation quantity of the first torsion spring 14 is reduced, the aim of reducing the elasticity of the first torsion spring is fulfilled, and different tensioning forces can be realized by adjusting the pressure applied to the belt 4 by the pressure roller 7.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an adjustable belt pulley of locking moving, includes bearing frame (1), pivot (2), belt pulley (3) and belt (4), and pivot (2) are installed on bearing frame (1) through the bearing rotation, and the tip at pivot (2) is installed in belt pulley (3), and belt (4) cover is established on belt pulley (3), its characterized in that: the end face of the bearing seat (1) is provided with an adjusting device (5), the adjusting device (5) is provided with a mounting arm (6), the left end of the mounting arm (6) is rotatably provided with a pressure roller (7), and the pressure roller (7) presses the lower surface of the belt (4) from bottom to top and bends the belt upwards.
2. The anti-loosening adjustable pulley as claimed in claim 1, wherein: adjusting device (5) includes mounting panel (9), mounting panel (9) pass through the fix with screw on the terminal surface of bearing frame (1), the center department of mounting panel (9) is provided with main installation axle (10), it is equipped with swivel becket (11) and regulation lid (13) to rotate the cover on main installation axle (10), fixedly on main installation axle (10) between swivel becket (11) and regulation lid (13) be provided with ratchet (12), the cover is equipped with first torsional spring (14) on main installation axle (10) of ratchet (12) below, the one end of first torsional spring (14) is fixed on regulation lid (13), the other end of first torsional spring (14) is fixed on swivel becket (11), swivel becket (11) is connected with installation arm (6), it is precious lid shape to adjust lid (13), ratchet (12) are located the inside of adjusting lid (13), the circular arc side of adjusting lid (13) is seted up empty window, a secondary mounting shaft (15) is longitudinally arranged in the hollow window, a limiting device (16) is arranged on the secondary mounting shaft (15), the limiting device (16) comprises a connecting rod (19), finger board (22) and second torsional spring (17), second torsional spring (17) cover is established on auxiliary installation axle (15), the one end of second torsional spring (17) is fixed on auxiliary installation axle (15), the other end is fixed on connecting rod (19), the one end of connecting rod (19) is provided with spacing awl (18), mounting hole (20) have been seted up to the other end of connecting rod (19), the welding has collar (21) on the lower extreme side of finger board (22), connecting rod (19) and finger board (22) are installed on auxiliary installation axle (15) through mounting hole (20) and collar (21) coaxial rotation respectively, the welding has lever arm (23) on the side end face that collar (21) were welded in finger board (22).
3. The anti-loosening adjustable pulley as claimed in claim 2, wherein: the finger-pressing plate (22) and the limiting cone (18) are both ironwork, the back surface of the limiting cone (18) is pasted with the magnet sheet (25), and the back surface of the finger-pressing plate (22) is pasted with the non-slip mat (24).
4. The anti-loosening adjustable pulley as claimed in claim 1, wherein: the outside of pressure roller (7) is rotated the cover and is equipped with sleeve (8).
5. The anti-loosening adjustable pulley as claimed in claim 2, wherein: the upper surface of the adjusting cover (13) is provided with an annular graduated scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920739638.5U CN209875871U (en) | 2019-05-22 | 2019-05-22 | Anti-loosening adjustable belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920739638.5U CN209875871U (en) | 2019-05-22 | 2019-05-22 | Anti-loosening adjustable belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209875871U true CN209875871U (en) | 2019-12-31 |
Family
ID=68947653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920739638.5U Expired - Fee Related CN209875871U (en) | 2019-05-22 | 2019-05-22 | Anti-loosening adjustable belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209875871U (en) |
-
2019
- 2019-05-22 CN CN201920739638.5U patent/CN209875871U/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: 20191231 |