CN211574071U - Novel quick fixing device of epaxial part - Google Patents
Novel quick fixing device of epaxial part Download PDFInfo
- Publication number
- CN211574071U CN211574071U CN202021290449.3U CN202021290449U CN211574071U CN 211574071 U CN211574071 U CN 211574071U CN 202021290449 U CN202021290449 U CN 202021290449U CN 211574071 U CN211574071 U CN 211574071U
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- Prior art keywords
- shaft sleeve
- shaft
- notch
- composite
- fixing device
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- 239000002131 composite material Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a quick fixing device of detachable of epaxial part, relates to the fixing device technical field of an epaxial part, specifically by axle, inner shaft cover, compound axle sleeve, epaxial part and screw are constituteed, epaxial cover have inner shaft cover, compound axle sleeve and epaxial part, under operating condition, inner shaft cover nestification is in epaxial part, and compound axle sleeve nestification is in inner shaft cover, and the device can reduce material cost, and convenient change fixed position can unload by oneself, advantages such as the application scope of epaxial part is wide.
Description
Technical Field
The utility model relates to a fixing device technical field of epaxial part especially involves a novel quick fixing device of epaxial part.
Background
The fixing of the parts on the shaft comprises axial fixing and circumferential fixing, and the conventional circumferential specified mode of the parts on the shaft usually adopts various key connections and shaft pin connections, such as the key slot on the shaft is needed for fixing the chain wheel or the guide vane on the shaft, and the parts on the shaft are fixed on the shaft through the keys, but the fixing mode has the following problems: 1. the strength of the shaft is reduced due to the key slot on the shaft; 2. after the parts on the shaft are fixed, the fixed position is inconvenient to adjust. 3. The motor is easily damaged when the external motor is overloaded.
SUMMERY OF THE UTILITY MODEL
To foretell not enough, the utility model provides an epaxial fixing device of part to solve the problem that exists among the above-mentioned background art, its characteristics are simple structure, installation dismantle convenient and fast, can effectual improvement work efficiency.
The utility model discloses a realize through following technical scheme: the utility model provides a novel quick fixation of epaxial part device which characterized in that: the composite shaft sleeve comprises an inner shaft sleeve, a composite shaft sleeve and an on-shaft part, wherein the inner shaft sleeve comprises a cone shaft sleeve I, the composite shaft sleeve comprises a cone shaft sleeve II, the inner shaft sleeve is nested in the on-shaft part, the composite shaft sleeve is nested in the inner shaft sleeve, one side of the inner shaft sleeve and one side of the composite shaft sleeve are respectively provided with a notch I and a notch II, and the notch I and the notch II are mutually staggered; the right end of the second cone shaft sleeve is of a reducing structure, and the outer end surface of the second cone shaft sleeve is attached to the inner end surface of the first cone shaft sleeve; the left ends of the first cone shaft sleeve and the second cone shaft sleeve are respectively provided with a first end cover and a second end cover, and the first end cover and the second end cover are respectively provided with a first threaded hole and a through hole; the threaded holes I and the through holes are uniformly distributed on the end cover I and the end cover II in the circumferential direction, and the positions of the threaded holes I and the through holes are corresponding to each other in number; and a screw is arranged between the first threaded hole and the through hole.
When the shaft part is fixed, the through hole is penetrated by a screw, the screw is screwed into the first threaded hole, when the shaft part is disassembled, the second threaded hole is screwed in by the screw, and the screw abuts against the end face of the first end cover.
Furthermore, a second threaded hole is formed in a second end cover of the composite shaft sleeve.
Further, the second threaded holes are formed in a plurality of circumferentially and uniformly distributed.
Furthermore, 6 through holes are formed; the number of the threaded holes II is 3; the threaded hole is located in the middle of the adjacent through hole.
Further, the circumferential size of the first notch and the second notch is 1 to 3 mm.
Furthermore, the conicity of the inner side surface of the cone shaft sleeve and the outer side surface of the cone shaft sleeve is 1: 35.
Further, the circumferential size of the first notch and the second notch is 2 mm.
Furthermore, the screw is a hexagon socket head round head screw.
The utility model discloses an useful part is: key grooves and pin holes do not need to be cut off on the shaft, the strength of the shaft is not reduced, and the material cost and the processing cost can be reduced; meanwhile, the fixed position of the parts on the shaft can be conveniently changed according to the actual condition; the expansion type connection can set the expansion amount, can automatically unload when the load is overloaded, and can not burn out the driving motor; by screwing or unscrewing the screw, the parts on the shaft can be quickly disassembled; the application range of the parts on the shaft is wide.
Drawings
Fig. 1 is a front view of the working state of the parts of the present invention before the shaft expansion joint.
Fig. 2 is a front view of the working state of the parts after the shaft is expanded.
Fig. 3 is a left side view of the working state of the parts after the shaft is expanded.
Fig. 4 is a front view of the working state of the parts after the shaft is released from the expansion joint.
Fig. 5 is a left side view of the working state of the parts after the shaft is released from the expanded joint.
Fig. 6 is a front view of the inner sleeve structure of the present invention.
Fig. 7 is a half sectional view of the inner sleeve structure of the present invention.
Fig. 8 is a front view of the composite bushing structure of the present invention.
Fig. 9 is a half sectional view of the composite bushing structure of the present invention.
In the figure, 1, a shaft, 2, an on-shaft part, 3, an inner shaft sleeve, 4, a composite shaft sleeve, 5, a screw, 301, a first threaded hole, 302, a first notch, 303, a first end cover, 304, a first cone shaft sleeve, 401, a second threaded hole, 402, a through hole, 403, a second notch, 404, a second cone shaft sleeve, 405 and a second end cover.
Detailed Description
In order to make the utility model realize the technical means, technical characteristics, utility model purpose and technological effect easily understand and understand, combine specific figure below, further clarify the utility model.
The first embodiment is as follows:
as shown in figure 1, the state before the fixing is prepared, and figure 2 shows the working state of the parts after the shaft is expanded, at the moment, the inner shaft sleeve 3 is nested in the shaft part 2, the composite shaft sleeve 4 is nested in the inner shaft sleeve 3, 6 screws 5 penetrate through holes 402 on the composite shaft sleeve 4 and are in threaded fit with a first threaded hole 301 on the inner shaft sleeve 3, because of the screw-in propulsion of the screw 5 and the taper design of the outer part of the cone shaft sleeve II 404 on the composite shaft sleeve 4, the composite shaft sleeve 4 is pressed into the inner shaft sleeve 3, at the moment, the composite shaft sleeve 4 has radial pressure on the shaft 1, meanwhile, as the shaft 1 of the composite shaft sleeve 4 is pushed forward, the inner shaft sleeve 3 gradually expands outwards, the second notch 403 on the composite shaft sleeve 4 contracts inwards, the first notch 302 on the inner shaft sleeve 3 expands outwards, the parts 2 on the shaft are pressed radially outwards, so that the parts on the shaft 1 are pressed tightly, and the parts 2 on the shaft are fixed on the shaft 1 in the axial direction and the circumferential direction.
When the screw 5 is screwed in, the other side of the part needs to be limited so as to ensure the screwing of the screw 5, and the inner shaft sleeve 3 and the shaft part 2 can not move axially due to the axial propulsion of the composite shaft sleeve 4.
When the screw 5 is not inserted, the through hole 402 on the composite shaft sleeve 4 is aligned with the first threaded hole 301 on the inner shaft sleeve 3, and the first notch 302 on the inner shaft sleeve 3 and the second notch 403 on the composite shaft sleeve 4 cannot be overlapped.
Example two:
in the working state of the part shown in fig. 4 after the shaft is expanded and connected, after the composite shaft sleeve 4 and the screw 5 in the inner shaft sleeve 3 which are fixed are rotated out, the composite shaft sleeve 4 is still nested in the inner shaft sleeve 3, in order to separate the composite shaft sleeve 4 from the inner shaft sleeve 3, 3 screws 5 are screwed into the second threaded hole 401 of the composite shaft sleeve 4, the screws 5 prop against the end cover surface of the inner shaft sleeve 3, then the second cone shaft sleeve 404 of the composite shaft sleeve 4 gradually leaves the first cone shaft sleeve 304 along with the gradual screwing of the screws 5, the first notch 302 gradually shrinks, and the second notch 403 gradually expands, at the moment, the radial pressure of the composite shaft sleeve 4 on the shaft 1 and the inner shaft sleeve 3 is gradually reduced, the radial pressure on the shaft part 2 and the inner shaft sleeve 3 is gradually reduced, and finally the first cone shaft sleeve 304 is separated from.
When the screw 5 is screwed in, the other side of the part needs to be limited so as to ensure that the screw 5 is screwed in and the composite shaft sleeve 4 is pulled out axially, and the inner shaft sleeve 3 and the part 2 on the shaft cannot move axially.
In summary, the preferred embodiments of the present invention are described herein, and not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the content of the claims of the present invention shall fall within the technical scope of the present invention.
Claims (6)
1. The utility model provides a novel quick fixation of epaxial part device which characterized in that: the composite shaft sleeve comprises an inner shaft sleeve (3), a composite shaft sleeve (4) and an on-shaft part (2), wherein the inner shaft sleeve (3) comprises a cone shaft sleeve I (304), the composite shaft sleeve (4) comprises a cone shaft sleeve II (404), the inner shaft sleeve (3) is nested in the on-shaft part (2), the composite shaft sleeve (4) is nested in the inner shaft sleeve (3), one side of the inner shaft sleeve (3) and one side of the composite shaft sleeve (4) are respectively provided with a notch I (302) and a notch II (403), and the notch I (302) and the notch II (403) are staggered with each other; the right end of the second cone shaft sleeve (404) is of a reducing structure, and the outer end surface of the right end of the second cone shaft sleeve is attached to the inner end surface of the first cone shaft sleeve (304); the left ends of the first cone shaft sleeve (304) and the second cone shaft sleeve (404) are respectively provided with a first end cover (303) and a second end cover (405), and the first end cover (303) and the second end cover (405) are respectively provided with a first threaded hole (301) and a through hole (402); the threaded holes I (301) and the through holes (402) are uniformly distributed on the end cover I (303) and the end cover II (405) in the circumferential direction, and the number of the positions of the threaded holes I (301) and the number of the through holes II are corresponding to each other; and a screw (5) is arranged between the first threaded hole (301) and the through hole (402).
2. The novel quick fixing device for the parts on the shaft as claimed in claim 1, wherein: a second threaded hole (401) is formed in the second end cover (405) of the composite shaft sleeve (4); and the second threaded holes (401) are provided with a plurality of circumferentially and uniformly distributed.
3. The novel quick fixing device for the parts on the shaft as claimed in claim 2, wherein: the number of the through holes (402) is 6; 3 threaded holes II (401) are provided; the second threaded hole (401) is positioned in the middle of the adjacent through hole (402).
4. The novel quick fixing device for the parts on the shaft as claimed in claim 1, wherein: the circumferential size of the first notch (302) and the second notch (403) is 1-3 mm.
5. The novel quick fixing device for the parts on the shaft as claimed in claim 4, wherein: the circumferential size of the first notch (302) and the second notch (403) is 2 mm.
6. The novel quick fixing device for the parts on the shaft as claimed in claim 1, wherein: the screw (5) is an inner hexagonal round head screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021290449.3U CN211574071U (en) | 2020-07-06 | 2020-07-06 | Novel quick fixing device of epaxial part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021290449.3U CN211574071U (en) | 2020-07-06 | 2020-07-06 | Novel quick fixing device of epaxial part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211574071U true CN211574071U (en) | 2020-09-25 |
Family
ID=72528152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021290449.3U Active CN211574071U (en) | 2020-07-06 | 2020-07-06 | Novel quick fixing device of epaxial part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211574071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107850A (en) * | 2021-05-27 | 2021-07-13 | 威鹏晟(山东)真空技术有限公司 | Oblique roots screw composite vacuum pump |
-
2020
- 2020-07-06 CN CN202021290449.3U patent/CN211574071U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107850A (en) * | 2021-05-27 | 2021-07-13 | 威鹏晟(山东)真空技术有限公司 | Oblique roots screw composite vacuum pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A New Quick Fixing Device for Shaft Parts Effective date of registration: 20221031 Granted publication date: 20200925 Pledgee: Guangdong Development Bank Co.,Ltd. Dongying Branch Pledgor: Shandong Wanbang Petroleum Technology Co.,Ltd. Registration number: Y2022980020219 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200925 Pledgee: Guangdong Development Bank Co.,Ltd. Dongying Branch Pledgor: Shandong Wanbang Petroleum Technology Co.,Ltd. Registration number: Y2022980020219 |