CN208417461U - Synchronous pulley - Google Patents
Synchronous pulley Download PDFInfo
- Publication number
- CN208417461U CN208417461U CN201820898005.4U CN201820898005U CN208417461U CN 208417461 U CN208417461 U CN 208417461U CN 201820898005 U CN201820898005 U CN 201820898005U CN 208417461 U CN208417461 U CN 208417461U
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- China
- Prior art keywords
- fluting
- protrusion
- body portion
- wheel body
- holding hole
- Prior art date
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Abstract
The utility model synchronous pulley, including a wheel body portion and a fastening screw；The centre in the wheel body portion opens up first holding hole for running through wheel body portion two sides, the side convex in wheel body portion is equipped with a cylindrical protrusion, corresponding first holding hole in the side of protrusion offers the second holding hole of a connection corresponding with the first holding hole, the side of protrusion inwardly opens up one first fluting, first fluting is through the hole wall of the second holding hole and the outer peripheral surface of protrusion, the outer peripheral surface of the protrusion inwardly opens up second fluting orthogonal with the first fluting in the side of the first fluting, the outer peripheral surface of the protrusion offers a screw hole orthogonal with the first fluting in the outside of the second fluting, the fastening screw is installed in screw hole.The installation and removal of the utility model synchronous pulley are fairly simple, and while being anchored in shaft is not easy to slide.
Description
Technical field
The utility model relates to a kind of synchronous pulley more particularly to it is a kind of installation and removal it is fairly simple, and be anchored on turn
It is not easy the synchronous pulley of sliding when on axis.
Background technique
Fig. 1 and Fig. 2 are please referred to, existing synchronous pulley 100' has a wheel body portion 10', and the centre of wheel body portion 10' opens up
One runs through the circular first holding hole 11' of the wheel body portion two sides 10', and it is cylindrical that the side convex of wheel body portion 10' is equipped with one
Protrusion 12', the corresponding first holding hole 11' in the side of protrusion 12' offers second be connected to corresponding with the first holding hole 11'
Holding hole 121'.
Existing synchronous pulley 100', which is sheathed on a shaft by the first holding hole 11' and the second holding hole 121', (to scheme not
Show) on, existing synchronous pulley 100' offers the one and first holding hole 11' or second solid on wheel body portion 10' or protrusion 12'
The screw hole 13' of hole 121' connection is held, a fastening screw (not shown) is installed in screw hole 13', is supported when fastening screw is screwed inwardly into
Shaft is pushed up, is anchored on synchronous pulley 100' in shaft.
Referring to Fig. 3, existing another kind synchronous pulley 100', solid in the first holding hole (not indicating in figure) or second
It holds correspondence in the 121' of hole and offers a keyway 122', one key of projection in the shaft (not shown) assembled with synchronous pulley 100'
Body, when synchronous belt wheel case 100' is set to shaft, key body is arranged in keyway 122', so that synchronous pulley 100' be made to be anchored on shaft
On.
But when synchronous pulley 100' being anchored in shaft using fastening screw, due to the stress point of shaft be a little, it is synchronous
Belt wheel 100' is easy to happen sliding, and when keyway 122' and the cooperation of key body being used to fasten shaft and synchronous pulley 100', it is synchronous
Belt wheel 100' is more complicated when installing or removing with shaft.
Because a little, it is necessary to be not easy the same of sliding when it is fairly simple to provide a kind of installation and removal, and being anchored in shaft
Walk belt wheel.
Utility model content
The main purpose of the utility model is to overcome the disadvantage mentioned above of the prior art and deficiencies, provide a kind of peace installation and dismantling
Unload fairly simple, and while being anchored in shaft is not easy the synchronous pulley of sliding.
A kind of synchronous pulley, including a wheel body portion and a fastening screw；The centre in the wheel body portion opens up one through wheel body
First holding hole of portion two sides, the side convex in wheel body portion are equipped with a cylindrical protrusion, the side corresponding first of protrusion
Holding hole offers the second holding hole of a connection corresponding with the first holding hole, and the side of protrusion inwardly opens up one first fluting,
First fluting is through the hole wall of the second holding hole and the outer peripheral surface of protrusion, and the outer peripheral surface of the protrusion is in the one of the first fluting
Second fluting orthogonal with the first fluting is opened up in lateral, the outer peripheral surface of the protrusion offers one in the outside of the second fluting
The screw hole orthogonal with the first fluting, the fastening screw are installed in screw hole.
Second fluting extends inwardly to the center of circle beyond the second holding hole in one of the embodiments,.
The outer peripheral surface in the wheel body portion is convexly equipped with several gear teeth arranged in a ring in one of the embodiments,.
The two sides in the wheel body portion are convexly equipped with flange in a ring respectively in one of the embodiments,.
The installation and removal of the utility model synchronous pulley are fairly simple, and while being anchored in shaft is not easy to slide.
Detailed description of the invention
Fig. 1 is the schematic diagram that screw hole is opened in the prior art synchronous pulley in wheel body portion.
Fig. 2 is the schematic diagram that screw hole is opened in the prior art synchronous pulley on protrusion.
Fig. 3 is the schematic diagram that the prior art synchronous pulley of a keyway is opened up in the second holding hole.
Fig. 4 is the right view of the utility model synchronous pulley.
Fig. 5 is the front view of the utility model synchronous pulley.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this
The disclosure of type understands more thorough and comprehensive.
It should be noted that it can be directly to separately when an element is considered as " connection " another element
One element may be simultaneously present centering elements.Term as used herein "vertical", "horizontal", "left" and "right"
And similar statement is for illustrative purposes only, is not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" packet
Include any and all combinations of one or more related listed items.
Embodiment
Please refer to Fig. 4 and Fig. 5, a kind of synchronous pulley 100 provided by the utility model, including a wheel body portion 10 and a fastening
Screw 20.The centre in the wheel body portion 10 opens up circular first holding hole 11 for running through 10 two sides of wheel body portion, wheel body portion
11 side convex is equipped with a cylindrical protrusion 12, and corresponding first holding hole 11 in the side of protrusion 12 offers one and first
Second holding hole 121 of the corresponding connection of holding hole 11.The outer peripheral surface in the wheel body portion 10 is convexly equipped with several wheels arranged in a ring
Tooth 13, the two sides in the wheel body portion 10 are also convexly equipped with flange 14 in a ring respectively.
The side of the protrusion 12 is inwardly opened in the first fluting 122, and first fluting 122 runs through the second holding hole
121 hole wall and the outer peripheral surface of protrusion 12.The outer peripheral surface of the protrusion 12 inwardly opens up one and the in the outside of the first fluting 122
The second orthogonal fluting 123 of one fluting 122, the second fluting 123 extend inwardly to the center of circle beyond the second holding hole 121.
The outer peripheral surface of the protrusion 12 offers one and the first 122 orthogonal screw holes of fluting in the side of the second fluting 123
15, the fastening screw 20 is installed in screw hole 15.
100 working principle of the utility model synchronous pulley is as follows: wheel body portion 10 and protrusion 12 are sheathed on shaft (not shown)
After upper, fastening screw 20 is screwed inwardly into, makes the internal diameter of the second holding hole 121 reduce to clamp shaft, which embraces
Tight stress point is the hole wall of the second holding hole 121, and forced area is big, is not easy to slide when being anchored in shaft.
The utility model synchronous pulley 100 inwardly opens up one first fluting 122 by the side in protrusion 12, protrusion 12
Outer peripheral surface inwardly opens up one and orthogonal second fluting 123 of the first fluting 122 in the side of the first fluting 122, protrusion 12 outside
Circumferential surface offers one and the first 122 orthogonal screw hole 15 of fluting, and fastening screw 20 is installed in screw hole 15, when installation, will fasten
Screw 20 is screwed inwardly into, and reduces the internal diameter of the second holding hole 121 to clamping shaft, and it is the which, which holds stress point tightly,
The hole wall of two holding holes 121, forced area is big, when disassembly, only need to screw out fastening screw 20 outward and can be easily by synchronous pulley
100 remove.The utility model synchronous pulley 100 mounts and dismounts fairly simple, and while being anchored in shaft is not easy to slide.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not present
Contradiction all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (4)
1. a kind of synchronous pulley, it is characterised in that: including a wheel body portion and a fastening screw；The centre in the wheel body portion opens up one
The first holding hole through wheel body portion two sides, the side convex in wheel body portion are equipped with a cylindrical protrusion, the side of protrusion
Corresponding first holding hole offers the second holding hole of a connection corresponding with the first holding hole, and the side of protrusion inwardly opens up one the
One fluting, first fluting is through the hole wall of the second holding hole and the outer peripheral surface of protrusion, and the outer peripheral surface of the protrusion is in first
The side of fluting inwardly opens up second fluting orthogonal with the first fluting, and the outer peripheral surface of the protrusion is in the outside of the second fluting
A screw hole orthogonal with the first fluting is offered, the fastening screw is installed in screw hole.
2. synchronous pulley according to claim 1, it is characterised in that: second fluting extends inwardly to solid beyond second
Hold the center of circle in hole.
3. synchronous pulley according to claim 1, it is characterised in that: the outer peripheral surface in the wheel body portion is convexly equipped with several in ring
The gear teeth of shape arrangement.
4. synchronous pulley according to claim 1, it is characterised in that: the two sides in the wheel body portion are convexly equipped in a ring respectively
Flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820898005.4U CN208417461U (en) | 2018-06-11 | 2018-06-11 | Synchronous pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820898005.4U CN208417461U (en) | 2018-06-11 | 2018-06-11 | Synchronous pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208417461U true CN208417461U (en) | 2019-01-22 |
Family
ID=65109965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820898005.4U Active CN208417461U (en) | 2018-06-11 | 2018-06-11 | Synchronous pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208417461U (en) |
-
2018
- 2018-06-11 CN CN201820898005.4U patent/CN208417461U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 523000 No. 33, Taoyuan 2nd Road, village tail, Hengli Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN YIHEDA AUTOMATION Co.,Ltd. Address before: 523925, Dongguan, Guangdong, Humen province Zhen Dong Dong Fang Industrial Zone Patentee before: DONGGUAN YIHEDA AUTOMATION Co.,Ltd. |