CN2293670Y - Expanding structure for air blower - Google Patents
Expanding structure for air blower Download PDFInfo
- Publication number
- CN2293670Y CN2293670Y CN 96245030 CN96245030U CN2293670Y CN 2293670 Y CN2293670 Y CN 2293670Y CN 96245030 CN96245030 CN 96245030 CN 96245030 U CN96245030 U CN 96245030U CN 2293670 Y CN2293670 Y CN 2293670Y
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- CN
- China
- Prior art keywords
- expansion set
- gear
- axle
- model
- utility
- 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
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Abstract
The utility model relates to an expanding structure for an air blower. The utility model is characterized in that a shaft which is provided with gears is provided with an expanding sleeve of an inner ring and a press cover in turn, and a round nut is additionally installed on a shaft end which is provided with a press cover side. The utility model has the advantages of simple structure, easy manufacture, tight expanding connection, good center-positioning performance, convenient assembly and disassembly, and convenient impeller-gap adjustment.
Description
The utility model belongs to F04D class technology, particularly relates to a kind of swelling structure that is used on the blower.
Known blower, for adjusting the gap of its impeller, gear part is divided into gear hub and two parts of gear ring, gear hub adopts key to be connected with axle, by changing the relative position of gear hub and gear ring, adjust the impeller clearance, so need take on the gear hub such as the method for milling slotted hole, to be adjusted reaching sails again the nail location after the requirement.So just come with some shortcomings, the long-term operation of first pin is loosening easily, does not have positioning action, can cause the impeller collision phenomenon; It two is because the influence of gear hub keyway machining error then makes gear contact precision error not reach specified requirement; It three is that loading and unloading and maintenance are inconvenient.
The purpose of this utility model is to overcome the deficiency in the known technology and provides a kind of adjustment impeller clearance and mounting or dismounting easily, and the gap does not change, and has saved the swelling structure on the blower of being used for of gear hub and key and pin part.
The purpose of this utility model is achieved in that
On the utility model is equipped with the axle of gear, install successively and encircle expansion set and gland in outer, on the axle head that is equipped with by the gland, refilled round nut.
The inner face of described outer shroud expansion set is made taper.
Taper is made in the outside of ring expansion set in described.
On the axle of gear is housed, install by ring expansion set in an outer shroud expansion set and constitute one to encircle expansion set in externally be a pair of at least.
Be equipped with on the other axle head of gland and can refilling round nut by lock washer.
Advantage and the good effect that the utlity model has are: because this structure of employing the utility model has not only overcome existing deficiency in the known technology, and swelling connection centering property is good, and mounting or dismounting and maintenance and adjustment impeller clearance are very convenient.Because by lock washer round nut is installed again in the structure, so can make round nut not loosening, the gap does not change yet again.The utility model has saved gear hub and parts such as key, pin in addition, has reached simple in structure and easily manufactured purpose.
The utility model has following accompanying drawing:
Fig. 1 is a structural representation of the present utility model.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:
Gear 1 is installed on axle 7, place between axle and the gear by ring expansion set 3 in an outer shroud expansion set 2 and constitute one externally in the ring expansion set, outer as required in the ring expansion set optional a pair of more than.For reaching fitting tightly of axle and gear and outer interior ring expansion set, the inner face of outer shroud expansion set is made taper in addition; Taper is made in the outside of interior ring expansion set.Gear and one is installed on axle gland 4 is installed behind the ring expansion set in externally again, on the other axle head of gland round nut 5 is installed also,, can adopt on the axle head on gland side and round nut is installed again by lock washer 6 for further preventing the loosening of round nut.
The utility model working principle is: earlier round nut is screwed to outer interior ring expansion set by gland, it is axially very close to each other, adjust gap between the impeller by rotary blade (omitting among the figure), gear position at this moment is the tram, tighten round nut again, the ring expansion set dwindles simultaneously, and the outer shroud expansion set swells, and interior ring expansion set and axle fit tightly; Outer shroud expansion set and gear fit tightly the enough big frictional force of generation changes distance with transmission.When needs were dismantled, a rotational circle nut gear just was easy to disassemble.
Claims (5)
1. a swelling structure that is used on the blower is made up of gear, axle, expansion set, gland, round nut, it is characterized in that: ring expansion set and gland in outside installing successively on the axle of gear is housed have refilled round nut on the axle head that the gland side is housed.
2. a kind of swelling structure that is used on the blower according to claim 1, it is characterized in that: the inner face of outer shroud expansion set is made taper.
3. a kind of swelling structure that is used on the blower according to claim 1, it is characterized in that: taper is made in the outside of interior ring expansion set.
4. according to claim 1 or 2 or 3 described a kind of swelling structures that are used on the blower, it is characterized in that: on the axle of gear is housed, install by ring expansion set in an outer shroud expansion set and constitute one to encircle expansion set in externally be a pair of at least.
5. a kind of swelling structure that is used on the blower according to claim 1 is characterized in that: be equipped with on the other axle head of gland and can refilling round nut by lock washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96245030 CN2293670Y (en) | 1996-10-31 | 1996-10-31 | Expanding structure for air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96245030 CN2293670Y (en) | 1996-10-31 | 1996-10-31 | Expanding structure for air blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2293670Y true CN2293670Y (en) | 1998-10-07 |
Family
ID=33918242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96245030 Expired - Fee Related CN2293670Y (en) | 1996-10-31 | 1996-10-31 | Expanding structure for air blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2293670Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936342A (en) * | 2010-08-31 | 2011-01-05 | 溧阳市威联传动机械有限公司 | Elastic coupling of one-way precise diaphragm |
| CN104033415A (en) * | 2014-06-10 | 2014-09-10 | 广东韶钢松山股份有限公司 | Labyrinth seal structure of coal gas air blower and application thereof |
| CN108204242A (en) * | 2018-02-02 | 2018-06-26 | 三重型装备有限公司 | Anchor Care device, development machine and Anchor Care method |
-
1996
- 1996-10-31 CN CN 96245030 patent/CN2293670Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936342A (en) * | 2010-08-31 | 2011-01-05 | 溧阳市威联传动机械有限公司 | Elastic coupling of one-way precise diaphragm |
| CN104033415A (en) * | 2014-06-10 | 2014-09-10 | 广东韶钢松山股份有限公司 | Labyrinth seal structure of coal gas air blower and application thereof |
| CN104033415B (en) * | 2014-06-10 | 2016-10-19 | 广东韶钢松山股份有限公司 | A kind of application of gas-blowing engine labyrinth seal structure |
| CN108204242A (en) * | 2018-02-02 | 2018-06-26 | 三重型装备有限公司 | Anchor Care device, development machine and Anchor Care method |
| CN108204242B (en) * | 2018-02-02 | 2019-11-05 | 三一重型装备有限公司 | Anchor Care device, development machine and Anchor Care method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |