CN202203288U - A unidirectional expansion coupler - Google Patents
A unidirectional expansion coupler Download PDFInfo
- Publication number
- CN202203288U CN202203288U CN2011203226798U CN201120322679U CN202203288U CN 202203288 U CN202203288 U CN 202203288U CN 2011203226798 U CN2011203226798 U CN 2011203226798U CN 201120322679 U CN201120322679 U CN 201120322679U CN 202203288 U CN202203288 U CN 202203288U
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- China
- Prior art keywords
- groove
- sleeve
- coupling
- swelling
- shaft
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- 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 - Lifetime
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Abstract
The utility model discloses a unidirectional expansion coupler, comprising a sleeve (3) which has one end connected with a revolving member (2a) fixedly and the other end provided with a groove (3a); a connecting shaft (6) disposed in the groove (3a); an expansion sleeve (4) extruded between the outer wall of the connecting shaft (6) and the inner wall of the groove (3a); and a gland (5) fixed at one end of the sleeve (3) and extruding the expansion sleeve (4). The unidirectional expansion coupler employs an expansion structure only at one end, and thus saves axial installing space, is easy to install, and demands low overlap ratio of axes of a motor shaft and a collection roll shaft.
Description
Technical field
The utility model relates to a kind of coupling, relates in particular to a kind of unidirectional swelling coupling.
Background technique
In the rolling part of price labeling, need actuating motor to drive collection roller forward or reverse, motor adopts coupling to be connected with the collection roller, so that send the power of motor to the collection roller.
The form of the coupling that present price labeling adopts is as shown in Figure 1; One end compresses the output shaft that swelling cover 4 comes clamping motor 1 through gland 5; The other end adopts the paper roller 6 of same grips collection roller, and this structure can satisfy the demand on the function, but the contact ratio requirement to the axis of motor shaft and collection roll shaft is very high when installing; Mounting process is complicated, and structure takes up room also bigger.
Summary of the invention
The purpose of the utility model is in order to overcome the problem that above-mentioned existing technology exists; A kind of unidirectional swelling coupling is provided; Only adopt the swelling structure at coupling one end; Thereby saved the axial installing space of coupling, mounting process is simple, and requires low to the dead in line degree of motor shaft and collection roll shaft.
For realizing the above-mentioned purpose of the utility model, following technological scheme is provided:
A kind of unidirectional swelling coupling comprises: sleeve, and the one of which end is fixedly connected with revolving meber, and the other end is provided with groove; Be installed in the coupling shaft in the groove; The swelling cover is squeezed between the inwall of outer wall and groove of coupling shaft; Gland is fixed on the end of sleeve and pushes the swelling cover.
Wherein, gland is a T shape, and its bottom is inserted said groove and pushed said swelling cover, and its top is fixedly connected with the said end of said sleeve.
Particularly, the top diameter of groove is greater than the bottom diameter, and the swelling cover is placed in the top of groove.
The beneficial effect of the utility model embodies in the following areas:
The utility model adopts sleeve to be fixedly connected with revolving meber, and the other end of sleeve is connected with coupling shaft through the swelling cover, thereby being connected of realization coupling shaft and revolving meber has saved that swelling is overlapped and axial installing space, and mounting process is simple, and structural design is simple and reliable.
Description of drawings
Fig. 1 is the structural drawing of existing technology coupling;
Fig. 2 is the structural drawing of the unidirectional swelling coupling of the utility model;
Fig. 3 is the sectional view along A-A line among Fig. 2.
Description of reference numerals: 1-motor; The 2-retarder; The 2a-revolving meber; The 3-sleeve; The 3a-groove; 4-swelling cover; The 5-gland; The 6-coupling shaft.
Embodiment
Like the structural drawing of the unidirectional swelling coupling of Fig. 2 the utility model and shown in Figure 3; The unidirectional swelling coupling of the utility model comprises sleeve 3; The one of which end is fixedly connected with revolving meber 2a through screw, and the center of the other end is provided with groove 3a, and coupling shaft 6 is installed in the groove 3a; Only need make the central shaft of groove 3a and the spigot shaft coaxle of coupling shaft 6 just can easily coupling shaft 6 be installed in the groove 3a during installation; The equal diameters of the bottom of groove 3a (Fig. 2 further groove 3a left part) diameter and coupling shaft 6, top (right portions of Fig. 2 further groove 3a) diameter is greater than the diameter of coupling shaft 6, and it is step-like to make that groove 3a forms; Between the swelling cover 4, the outer wall that is squeezed in coupling shaft 6 and the inwall of groove 3a, swelling is overlapped 4 and is sleeved on the coupling shaft 6, and is positioned at the top of groove 3a; Gland 5 is sleeved on the coupling shaft 6, and gland 5 has T type structure; Insert in the groove 3a its lower end, so that swelling cover 4 is compressed, makes swelling overlap 4 distendings; Coupling shaft 6 is clamped in the groove 3a, thereby makes coupling shaft 6 be connected with sleeve 3, the upper end of gland 5 is through the end of screw at sleeve 3; Thereby with groove 3a sealing, so just realized being connected of coupling shaft 6 and revolving meber 2a.
Revolving meber 2a is the output flange of retarder 2 in the utility model, and coupling shaft 6 is a paper roller.One end of retarder 2 is connected with motor (not shown among Fig. 2), and the other end is connected with output flange, during electric motor starting; Driving retarder 2 rotates; Retarder 2 drives output flanges and rotates, and output flange drives the sleeve 3 that is fixedly connected with it and rotates, and is connected with sleeve 3 with gland 5 because paper roller overlaps 4 through swelling; Therefore just drive paper roller when sleeve rotates and rotate, thereby with the transmission of power paper feed rollers of motor.
Claims (3)
1. unidirectional swelling coupling is characterized in that comprising:
Sleeve (3), the one of which end is fixedly connected with revolving meber (2a), and the other end is provided with groove (3a);
Be installed in the coupling shaft (6) in the groove (3a);
Swelling cover (4) is squeezed between the inwall of outer wall and groove (3a) of coupling shaft (6);
Gland (5) is fixed on the end of sleeve (3) and pushes swelling cover (4).
2. coupling as claimed in claim 1 is characterized in that, said gland (5) is a T shape, and said groove (3a) extruding said swelling cover (4) is inserted in its bottom, and its top is fixedly connected with the said end of said sleeve (3).
3. coupling as claimed in claim 1 is characterized in that, the top diameter of said groove (3a) is greater than the bottom diameter, and said swelling cover (4) is placed in the top of said groove (3a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203226798U CN202203288U (en) | 2011-08-31 | 2011-08-31 | A unidirectional expansion coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203226798U CN202203288U (en) | 2011-08-31 | 2011-08-31 | A unidirectional expansion coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202203288U true CN202203288U (en) | 2012-04-25 |
Family
ID=45967410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203226798U Expired - Lifetime CN202203288U (en) | 2011-08-31 | 2011-08-31 | A unidirectional expansion coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202203288U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042101A (en) * | 2013-01-04 | 2013-04-17 | 芜湖电工机械有限公司 | DD (direct-drive) motor direct-connection mechanism for indexing part of numerical control punching machine |
| CN103401354A (en) * | 2013-07-31 | 2013-11-20 | 东方电气集团东风电机有限公司 | Expansion sleeve for electric vehicle drive motor |
-
2011
- 2011-08-31 CN CN2011203226798U patent/CN202203288U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042101A (en) * | 2013-01-04 | 2013-04-17 | 芜湖电工机械有限公司 | DD (direct-drive) motor direct-connection mechanism for indexing part of numerical control punching machine |
| CN103401354A (en) * | 2013-07-31 | 2013-11-20 | 东方电气集团东风电机有限公司 | Expansion sleeve for electric vehicle drive motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170215 Address after: Yangting Town, Huancui District of Weihai City, Shandong province 264209 View Village (Hexing Road No. 160-1) Patentee after: Shandong Ji Shengchang Group Co. Ltd. Address before: Hengtai High Technology Industrial Development Zone of Shandong Province, Weihai City, 264209 street, No. 1 Patentee before: Weihai Printing Machinery Co., Ltd. Patentee before: Gu Zuxin |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120425 |
|
| CX01 | Expiry of patent term |