CN207349290U - A kind of sander main shaft taper sleeve type mechanism - Google Patents
A kind of sander main shaft taper sleeve type mechanism Download PDFInfo
- Publication number
- CN207349290U CN207349290U CN201721178802.7U CN201721178802U CN207349290U CN 207349290 U CN207349290 U CN 207349290U CN 201721178802 U CN201721178802 U CN 201721178802U CN 207349290 U CN207349290 U CN 207349290U
- Authority
- CN
- China
- Prior art keywords
- expansion set
- main shaft
- belt wheel
- hole
- sleeve type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of sander main shaft taper sleeve type mechanism, including main shaft, belt wheel and expansion set, the belt wheel to be connected on main shaft by expansion set, is fixedly connected between belt wheel and expansion set by screw, key connection between main shaft and expansion set；The axis direction of the belt wheel is equipped with mounting hole and taper hole, and the mounting hole and taper hole connect, and threaded hole is equipped with mounting hole；The outer circle wall of the expansion set is cone structure, is equipped with tightening groove in the axial direction of expansion set, the outer wall of expansion set is equipped with stage portion, which is equipped with counter sink.The utility model fastening effect is good, and connection is reliable, and slipping phenomenon will not occur for belt wheel.
Description
Technical field：
It the utility model is related to a kind of sander main shaft taper sleeve type mechanism.
Background technology：
By key connection between the main shaft and belt wheel of existing sander, axial limiting of the belt wheel on main shaft is to pass through pin
Axis realizes that this kind of direction locating effect be poor, and after long-time use, belt wheel easily shifts slipping phenomenon, influences using effect
Fruit.
Utility model content：
The utility model is to provide a kind of sander main shaft taper sleeve type to solve the above-mentioned problems of the prior art
Mechanism.
There is technical solution used by the utility model：A kind of sander main shaft taper sleeve type mechanism, including main shaft, belt wheel and
Expansion set, the belt wheel are connected on main shaft by expansion set, are fixedly connected between belt wheel and expansion set by screw, main shaft and expansion set it
Between key connection；
The axis direction of the belt wheel is equipped with mounting hole and taper hole, and the mounting hole and taper hole connect, in mounting hole
It is interior to be equipped with threaded hole；
The outer circle wall of the expansion set is cone structure, is equipped with the axial direction of expansion set and tightens groove, on the outer wall of expansion set
Equipped with stage portion, which is equipped with counter sink.
Further, the axis direction of the expansion set is equipped with axis hole, and keyway is equipped with the inner wall of axis hole.
Further, the outer circle wall of the belt wheel is equipped with some belt grooves.
The utility model has the advantages that：The utility model fastening effect is good, and connection is reliable, and belt wheel will not occur
Slipping phenomenon.
Brief description of the drawings：
Fig. 1 is the utility model structure chart.
Fig. 2 is the structure chart of belt wheel in the utility model.
Fig. 3 is expansion set front view in the utility model.
Fig. 4 is expansion set left view in the utility model.
Embodiment：
The utility model will be further described below with reference to the accompanying drawings.
As shown in Figures 1 to 4, the utility model discloses a kind of sander main shaft taper sleeve type mechanism, including main shaft 11, belt wheel
12 and expansion set 13, belt wheel 12 be connected to by expansion set 13 on main shaft 11, be fixedly connected between belt wheel 12 and expansion set 13 by screw,
Key connection between main shaft 11 and expansion set 13.
Mounting hole 121 and taper hole 122 are equipped with the axis direction of belt wheel 12, mounting hole 121 and taper hole 122 connect,
Threaded hole 123 is equipped with mounting hole 121.
The outer circle wall of expansion set 13 is cone structure, and the conical degree of conical surface of expansion set 13 is adapted with the taper of taper hole 122.Swollen
The axial direction of set 13 is equipped with tightening groove 131, and the outer wall of expansion set 13 is equipped with stage portion 132, which is equipped with countersunk head
Hole 133.
Axis hole 130 is equipped with the axis direction of expansion set 13, keyway 134 is equipped with the inner wall of axis hole 130.
Some belt grooves are equipped with the outer circle wall of belt wheel 12.
In use, main shaft 11 is connected in the axis hole 130 of expansion set 13, and key connection between main shaft 11 and expansion set 13.Will
Expansion set 13 is placed in the taper hole 122 of belt wheel 12, and the stage portion 132 of expansion set 13 is contacted on the bottom surface of mounting hole 121, spiral shell
Nail is through counter sink 133 and is threaded in threaded hole 123.The conical surface of expansion set 13 is engaged with 122 conical surface of taper hole so that swollen
Set 13 is tightened and is anchored on main shaft 11.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, some improvement can also be made on the premise of the utility model principle is not departed from, these improvement also should be regarded as
The scope of protection of the utility model.
Claims (3)
- A kind of 1. sander main shaft taper sleeve type mechanism, it is characterised in that：Including main shaft (11), belt wheel (12) and expansion set (13), institute State belt wheel (12) to be connected on main shaft (11) by expansion set (13), fixed and connected by screw between belt wheel (12) and expansion set (13) Connect, key connection between main shaft (11) and expansion set (13)；The axis direction of the belt wheel (12) is equipped with mounting hole (121) and taper hole (122), the mounting hole (121) and taper hole (122) connect, threaded hole (123) is equipped with mounting hole (121)；The outer circle wall of the expansion set (13) is cone structure, and tightening groove (131), expansion set are equipped with the axial direction of expansion set (13) (13) outer wall is equipped with stage portion (132), which is equipped with counter sink (133).
- 2. sander main shaft taper sleeve type mechanism as claimed in claim 1, it is characterised in that：The axis direction of the expansion set (13) Axis hole (130) is equipped with, keyway (134) is equipped with the inner wall of axis hole (130).
- 3. sander main shaft taper sleeve type mechanism as claimed in claim 1, it is characterised in that：The outer circle wall of the belt wheel (12) It is equipped with some belt grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721178802.7U CN207349290U (en) | 2017-09-14 | 2017-09-14 | A kind of sander main shaft taper sleeve type mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721178802.7U CN207349290U (en) | 2017-09-14 | 2017-09-14 | A kind of sander main shaft taper sleeve type mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349290U true CN207349290U (en) | 2018-05-11 |
Family
ID=62410033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721178802.7U Expired - Fee Related CN207349290U (en) | 2017-09-14 | 2017-09-14 | A kind of sander main shaft taper sleeve type mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110639653A (en) * | 2019-10-10 | 2020-01-03 | 陕西理工大学 | Grinding roller shaft and belt pulley connection structure of fine konjaku flour machine |
-
2017
- 2017-09-14 CN CN201721178802.7U patent/CN207349290U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110639653A (en) * | 2019-10-10 | 2020-01-03 | 陕西理工大学 | Grinding roller shaft and belt pulley connection structure of fine konjaku flour machine |
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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: 20180511 Termination date: 20180914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |