CN203189563U - Internal expansion type clutch - Google Patents
Internal expansion type clutch Download PDFInfo
- Publication number
- CN203189563U CN203189563U CN 201320162174 CN201320162174U CN203189563U CN 203189563 U CN203189563 U CN 203189563U CN 201320162174 CN201320162174 CN 201320162174 CN 201320162174 U CN201320162174 U CN 201320162174U CN 203189563 U CN203189563 U CN 203189563U
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- CN
- China
- Prior art keywords
- steel ring
- flexible steel
- external force
- joint
- expansion 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
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Abstract
The utility model discloses an internal expansion type clutch which is matched with a driving medium to be used. The internal expansion type clutch comprises an elastic steel ring, an external force supplying mechanism and a coupler. A notch portion is formed in the elastic steel ring to enable the annular steel ring to be expanded or narrowed when the annular steel ring is under external force; the external force supplying mechanism is arranged inside the elastic steel ring and is used for supplying the external force which is needed when the elastic steel ring is expanded outwards for the elastic steel ring, so that the outer wall of the elastic steel ring abuts against the inner wall of the driving medium when the elastic steel ring is expanded, and when the external force is removed, the elastic steel ring restores deformation, and the outer wall of the elastic steel ring abuts against the inner wall of the driving medium; the coupler is fixed in the center position of the elastic steel ring. The internal expansion type clutch has the advantages of being simple in structure, convenient to operate, capable of easily achieving separation and connection, and safe and reliable in usage.
Description
[technical field]
The utility model relates to clutch, relates in particular to a kind of internal expansion type clutch.
[background technique]
Clutch is a kind of connection set that connects driving shaft and driven shaft, in the flywheel casing between motor and gearbox, clutch assembly is fixed on the back plane of flywheel with screw, and the output shaft of clutch is exactly the input shaft of gearbox.In vehicle traveling process, the driver can step on or release the clutch pedal as required, motor and gearbox are temporarily separated and engages gradually, to cut off or to transmit motor to the power of speed changer input.Existing clutch, general chock formula or the friction clutcch of adopting, the complex structure of this clutch adopts and dials the wooden fork advance and retreat, handle very complicated, and not easily separated, easily produce tacky state, in addition, suddenly separating or engagement appears when realizing clutch in existing clutch easily, accelerate when causing automobile starting, occur accident easily, and damage parts such as internal gear easily suddenly.
[summary of the invention]
The purpose of this utility model is effectively to overcome the deficiency of above-mentioned technology, provides a kind of simple in structure, easy to operate, realizes easily separating and the internal expansion type clutch that is connected.
The technical solution of the utility model is achieved in that a kind of internal expansion type clutch, is used with driving component, and it comprises:
One flexible steel ring is established a notch part on this flexible steel ring, so that described annular steel ring is inflatable or dwindle when being subjected to external force;
One external force provides mechanism, be arranged at described flexible steel ring inside, with thinking that described flexible steel ring provides the external force that described flexible steel ring is outwards expanded, so that flexible steel ring is when expanding, this flexible steel ring outer wall and described driving component inwall butt, and when removing described external force, described flexible steel ring recovers deformation, and this flexible steel ring outer wall separates with described driving component inwall;
One coupling, described coupling are fixed in described flexible steel ring central position.
Below technique scheme is further set forth:
Further, described external force provides mechanism to comprise
One driving mechanism has the power output rod of an outputting power;
One fixed block has a stopper part, described fixed block and described flexible steel ring relative fixed, and described stopper part is positioned at the wherein inboard of a side of described notch part;
One STATEMENT OF FEDERALLY SPONSORED has a pushing part and one first joint, and described STATEMENT OF FEDERALLY SPONSORED and described fixed block are rotationally connected, and described pushing part is positioned at the inboard of described notch part another side; Described first joint is connected with the take-off lever of described driving mechanism, and under the effect of driving mechanism, described STATEMENT OF FEDERALLY SPONSORED and described fixed block relatively rotate, so that described pushing part promotes described notch part expansion and described flexible steel ring is expanded.
Further, described external force provides mechanism also to comprise a flexible restoring organ, described flexible restoring organ and described fixed block are fixed, described STATEMENT OF FEDERALLY SPONSORED also has one second joint, described second joint and first joint are oppositely arranged, and second joint is connected with described flexible restoring organ, when driving mechanism removes external force, described elastic mechanism recovers deformation, ordering about described second joint drives described pushing part and resets, so that described flexible steel ring recovers deformation, separate with described driving component inwall.
Further, described flexible restoring organ comprises a Returnning spring, upper end cap, lower end cap and connecting rod, described lower end cap, Returnning spring and upper end cap connecting rod successively are socketed on the described connecting rod successively, described lower end cap and connecting rod lower end are fixed, fixedly connected with described fixed block in the upper end of described connecting rod, second joint on the described STATEMENT OF FEDERALLY SPONSORED is by being slidingly connected by a movable part and described connecting rod.
Further, described external force provides fixed block in the mechanism by the fixedlying connected of one " U " type frame and described flexible steel ring, and each limit of described " U " type frame is connected by fastening piece and described flexible steel ring inside.
Further, described flexible steel ring is provided with secondary spring, and described secondary spring is striden and is located on the described notch part, and the one end is connected with described notch part one side, and the other end is connected with described notch part opposite side.
Further, described flexible steel ring comprises the steel ring body and is coated on the wear-resisting band of described steel ring body exterior.
Further, described STATEMENT OF FEDERALLY SPONSORED is roughly triangular in shape, and leg-of-mutton three corners are respectively as described first joint, second joint and pushing part.
Further, described driving mechanism is hydraulic jack, and the piston rod of described hydraulic jack is as described power output rod.
The beneficial effects of the utility model are: the utility model provides mechanism that one external force is provided by external force, this expands flexible steel ring, flexible steel ring after the expansion and driving component (being generally the link that is connected with line shaft) inwall butt, give driving component inwall one positive pressure, so, form between clutch and the driving component and be connected, when line shaft drives the driving component rotation, frictional force between driving component and the clutch with transmission of torque to clutch, thereby driving clutch rotates, be connected on the clutch by coupling owing to driven shaft (being generally the input shaft of speed reducer etc.) again, therefore, when expanding, realized flexible steel ring engaging of line shaft and driven shaft, and when external force provides mechanism to remove external force, flexible steel ring reset (recovery original size), so, flexible steel ring separates with the driving component inwall, moment on the driving shaft can't be passed to driven shaft, realized separating of line shaft and driven shaft, it is simple in structure, the control handiness, in addition, because engaging of line shaft and driven shaft is suitable by the frictional force realization, behind joint, the speed of driven shaft accelerates to line shaft speed from zero and equates to need a period of time, therefore, locomotive can not cause speed to increase suddenly because of loosen the clutch when starting, problems such as the phenomenon that locomotive leans forward and internal gear are fragile, its use is more safe and reliable.
[description of drawings]
Fig. 1 is structural representation of the present utility model;
Among the figure: steel ring body 1; Wear-resisting band 2; Hydraulic jack 3; STATEMENT OF FEDERALLY SPONSORED 4; First joint 401; Pushing part 402; Second joint 403; Fixed block 5; Stopper part 501; Lower end cap 6; Upper end cap 7; Returnning spring 8; Connecting rod 9; Movable part 10; Coupling 11; " U " type frame 12; Secondary spring 13.
[embodiment]
The utility model will be further described below in conjunction with drawings and Examples.
With reference to shown in Figure 1, the utility model provides a kind of internal expansion type clutch, be used with driving component, this driving component is generally the link that is connected with line shaft, as clutch cover etc., it comprises that a flexible steel ring, an external force provide mechanism and a coupling 11, wherein, establish a notch part on the flexible steel ring, so that described annular steel ring is inflatable or dwindle when being subjected to external force; Described coupling 11 is fixed in described flexible steel ring central position, and this coupling 11 is in order to connect driven shaft, for example input shaft of speed reducer etc.; External force provides mechanism to be arranged at described flexible steel ring inside, with thinking that described flexible steel ring provides the external force that described flexible steel ring is outwards expanded, so that flexible steel ring is when expanding, this flexible steel ring outer wall and described driving component inwall butt, the realization line shaft engages with driven shaft, and when removing described external force, described flexible steel ring recovers deformation, this flexible steel ring outer wall separates with described driving component inwall, realizes that line shaft separates with driven shaft.
In the present embodiment, external force provides mechanism to comprise a driving mechanism, a fixed block 5 and a STATEMENT OF FEDERALLY SPONSORED 4, and described driving mechanism has the power output rod of an outputting power; Fixed block 5 has a stopper part 501, described fixed block 5 and described flexible steel ring relative fixed, and described stopper part 501 is positioned at the wherein inboard of a side of described notch part; STATEMENT OF FEDERALLY SPONSORED 4 has a pushing part 402 and one first joint 401, and described STATEMENT OF FEDERALLY SPONSORED 4 is rotationally connected with described fixed block 5, and described pushing part 402 is positioned at the inboard of described notch part another side; Described first joint 401 is connected with the take-off lever of described driving mechanism.Under the effect of driving mechanism, pto stretches out, the described relatively fixed block 5 of described STATEMENT OF FEDERALLY SPONSORED 4 turns an angle, then move to the left in pushing part 402, promote the expansion of described notch part and described flexible steel ring expanded, the flexible steel ring of expansion namely can with the inwall butt of peripheral driving component, driving component is applied a positive pressure, so, dependence frictional force between the two can realize the transmission of moment.
Further, this external force provides mechanism also to comprise a flexible restoring organ, described flexible restoring organ and described fixed block 5 are fixing, described STATEMENT OF FEDERALLY SPONSORED 4 also has one second joint 403, described second joint 403 and first joint 401 are oppositely arranged, and second joint 403 is connected with described flexible restoring organ; When the power output rod of driving mechanism stretches out, STATEMENT OF FEDERALLY SPONSORED 4 is rotated with respect to fixed block 5, first joint 401 moves upward, second joint 403 moves downward, move along the tangent direction of flexible steel ring in pushing part 402, flexible steel ring expands, the flexible restoring organ compression, when driving mechanism removed external force, elastic mechanism recovered deformation, orders about described second joint 403 and moves upward, first joint 401 moves downward, pushing part 402 finally makes described flexible steel ring recover deformation along moving to return to the home position in the other direction, separates with described driving component inwall.
In the present embodiment, described flexible restoring organ comprises a Returnning spring 8, upper end cap 7, lower end cap 6 and connecting rod 9, described lower end cap 6, Returnning spring 8 and upper end cap 7 connecting rod 9 successively are socketed on the described connecting rod 9 successively, described lower end cap 6 is fixed with connecting rod 9 lower ends, fixedly connected with described fixed block 5 in the upper end of described connecting rod 9, second joint 403 on the described STATEMENT OF FEDERALLY SPONSORED 4 is by being slidingly connected with described connecting rod 9 by a movable part 10.When STATEMENT OF FEDERALLY SPONSORED 4 is rotated by the driving mechanism effect, second joint 403 drive movable parts 10 along connecting rod 9 to lower slider, compression reseting spring 8, after driving mechanism removes external force, under the effect of Returnning spring 8, promote movable part 10 and upwards slide along connecting rod 9, so that driving STATEMENT OF FEDERALLY SPONSORED 4, second joint 403 rotates in the opposite direction, so that pushing part 402 resets, and flexible steel ring recovers deformation.
Further, also be provided with secondary spring 13 on the described flexible steel ring, described secondary spring 13 is striden and is located on the described notch part, the one end is connected with described notch part one side, the other end is connected with described notch part opposite side, so, when flexible steel ring expanded, this secondary spring 13 was elongated, and after driving mechanism removes external force, except under the flexible restoring organ effect, making flexible steel ring resets, this secondary spring 13 also resets, and the notch part two ends are drawn to the centre, and the assistant spring resetting-mechanism together resets flexible steel ring, guarantee that flexible steel ring in time resets, can improve accuracy and Security that this clutch uses.
As preferred embodiments, described external force provides fixed block 5 in the mechanism by one " U " type frame 12 fixedlys connected with described flexible steel ring, described " U " each limit of type frame 12 is by fastening piece and described flexible steel ring is inner is connected, so, when flexible steel ring expands, should " U " opening end of type frame 12 also opens thereupon, so that flexible steel ring expands smoothly, avoid because external force provides mechanism and flexible steel ring the fixing influence that expansion causes to flexible steel ring; Coupling 11 is fixed in the neutral position of described fixed block 5 and is positioned at the center of flexible steel ring.
As preferred embodiments, described flexible steel ring comprises steel ring body 1 and is coated on the wear-resisting band 2 of described steel ring body 1 outside, this wear-resisting band 2 can increase and the driving component inwall between frictional force, guaranteeing the good bond between flexible steel ring and the driving component, guarantee the reliability of transmission.
As preferred embodiments, described STATEMENT OF FEDERALLY SPONSORED 4 is roughly triangular in shape, leg-of-mutton three corners are respectively as described first joint 401, second joint 403 and pushing part 402, the STATEMENT OF FEDERALLY SPONSORED 4 of this triangular structure, guarantee in STATEMENT OF FEDERALLY SPONSORED 4 rotation processes, first joint 401 on it, second joint 403 and pushing part 402 be action as requested just, the expansion that realizes flexible steel ring with reset.
As preferred embodiments, described driving mechanism is hydraulic jack 3, and the piston rod of described hydraulic jack 3 is as described power output rod, and hydraulic jack 3 guarantees the stability that moment is transmitted, and satisfies the requirement of working in the locomotive.
From the above, the utility model provides mechanism that one external force is provided by external force, this expands flexible steel ring, flexible steel ring after the expansion and driving component (being generally the link that is connected with line shaft) inwall butt, give driving component inwall one positive pressure, so, form between clutch and the driving component and be connected, when line shaft drives the driving component rotation, frictional force between driving component and the clutch with transmission of torque to clutch, thereby driving clutch rotates, be connected on the clutch by coupling 11 owing to driven shaft (being generally the input shaft of speed reducer etc.) again, therefore, when expanding, realized flexible steel ring engaging of line shaft and driven shaft, and when external force provides mechanism to remove external force, flexible steel ring reset (recovery original size), so, flexible steel ring separates with the driving component inwall, moment on the driving shaft can't be passed to driven shaft, realized separating of line shaft and driven shaft, it is simple in structure, the control handiness, in addition, realize by frictional force owing to line shaft and engaging of driven shaft are suitable, behind joint, the speed of driven shaft accelerates to line shaft speed from zero and equates to need a period of time, therefore, locomotive is when starting, can not cause speed to increase suddenly because of loosen the clutch, problem such as the phenomenon that locomotive leans forward and internal gear are fragile, its use is more safe and reliable.
Described above only is preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, various distortion and modification can appear, and the retouching that all those of ordinary skill in the art make according to above description, revise or be equal to replacement, all belong to the scope that the utility model is protected.
Claims (9)
1. an internal expansion type clutch is used with driving component, and it is characterized in that: it comprises
One flexible steel ring is established a notch part on this flexible steel ring, so that described annular steel ring is inflatable or dwindle when being subjected to external force;
One external force provides mechanism, be arranged at described flexible steel ring inside, with thinking that described flexible steel ring provides the external force that described flexible steel ring is outwards expanded, so that flexible steel ring is when expanding, this flexible steel ring outer wall and described driving component inwall butt, and when removing described external force, described flexible steel ring recovers deformation, and this flexible steel ring outer wall separates with described driving component inwall;
One coupling, described coupling are fixed in described flexible steel ring central position.
2. internal expansion type clutch according to claim 1, it is characterized in that: described external force provides mechanism to comprise
One driving mechanism has the power output rod of an outputting power;
One fixed block has a stopper part, described fixed block and described flexible steel ring relative fixed, and described stopper part is positioned at the wherein inboard of a side of described notch part;
One STATEMENT OF FEDERALLY SPONSORED has a pushing part and one first joint, and described STATEMENT OF FEDERALLY SPONSORED and described fixed block are rotationally connected, and described pushing part is positioned at the inboard of described notch part another side; Described first joint is connected with the take-off lever of described driving mechanism, and under the effect of driving mechanism, described STATEMENT OF FEDERALLY SPONSORED and described fixed block relatively rotate, so that described pushing part promotes described notch part expansion and described flexible steel ring is expanded.
3. internal expansion type clutch according to claim 2, it is characterized in that: described external force provides mechanism also to comprise a flexible restoring organ, described flexible restoring organ and described fixed block are fixed, described STATEMENT OF FEDERALLY SPONSORED also has one second joint, described second joint and first joint are oppositely arranged, and second joint is connected with described flexible restoring organ, when driving mechanism removes external force, described elastic mechanism recovers deformation, ordering about described second joint drives described pushing part and resets, so that described flexible steel ring recovers deformation, separate with described driving component inwall.
4. internal expansion type clutch according to claim 3, it is characterized in that: described flexible restoring organ comprises a Returnning spring, upper end cap, lower end cap and connecting rod, described lower end cap, Returnning spring and upper end cap connecting rod successively are socketed on the described connecting rod successively, described lower end cap and connecting rod lower end are fixed, fixedly connected with described fixed block in the upper end of described connecting rod, second joint on the described STATEMENT OF FEDERALLY SPONSORED is by being slidingly connected by a movable part and described connecting rod.
5. internal expansion type clutch according to claim 2, it is characterized in that: described external force provides fixed block in the mechanism by the fixedlying connected of one " U " type frame and described flexible steel ring, and each limit of described " U " type frame is connected by fastening piece and described flexible steel ring inside.
6. according to claim 1 or 4 described internal expansion type clutches, it is characterized in that: described flexible steel ring is provided with secondary spring, described secondary spring is striden and is located on the described notch part, and the one end is connected with described notch part one side, and the other end is connected with described notch part opposite side.
7. internal expansion type clutch according to claim 6, it is characterized in that: described flexible steel ring comprises the steel ring body and is coated on the wear-resisting band of described steel ring body exterior.
8. internal expansion type clutch according to claim 3, it is characterized in that: described STATEMENT OF FEDERALLY SPONSORED is roughly triangular in shape, and leg-of-mutton three corners are respectively as described first joint, second joint and pushing part.
9. internal expansion type clutch according to claim 2, it is characterized in that: described driving mechanism is hydraulic jack, and the piston rod of described hydraulic jack is as described power output rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320162174 CN203189563U (en) | 2013-04-03 | 2013-04-03 | Internal expansion type clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320162174 CN203189563U (en) | 2013-04-03 | 2013-04-03 | Internal expansion type clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189563U true CN203189563U (en) | 2013-09-11 |
Family
ID=49106424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320162174 Expired - Fee Related CN203189563U (en) | 2013-04-03 | 2013-04-03 | Internal expansion type clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189563U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672830A (en) * | 2016-12-29 | 2017-05-17 | 意宁液压股份有限公司 | Built-in type hydraulic winch structure |
| CN108584740A (en) * | 2018-04-13 | 2018-09-28 | 意宁液压股份有限公司 | Hydraulic pressure internal expanding type normal-close clutch device |
| CN116462116A (en) * | 2023-05-12 | 2023-07-21 | 宁波新宏液压有限公司 | Double-reel clutch winch capable of being released rapidly |
-
2013
- 2013-04-03 CN CN 201320162174 patent/CN203189563U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672830A (en) * | 2016-12-29 | 2017-05-17 | 意宁液压股份有限公司 | Built-in type hydraulic winch structure |
| CN108584740A (en) * | 2018-04-13 | 2018-09-28 | 意宁液压股份有限公司 | Hydraulic pressure internal expanding type normal-close clutch device |
| CN116462116A (en) * | 2023-05-12 | 2023-07-21 | 宁波新宏液压有限公司 | Double-reel clutch winch capable of being released rapidly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20160403 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |