CN102797766A - Loosening maintaining structure of clutch mechanism - Google Patents
Loosening maintaining structure of clutch mechanism Download PDFInfo
- Publication number
- CN102797766A CN102797766A CN2011101385493A CN201110138549A CN102797766A CN 102797766 A CN102797766 A CN 102797766A CN 2011101385493 A CN2011101385493 A CN 2011101385493A CN 201110138549 A CN201110138549 A CN 201110138549A CN 102797766 A CN102797766 A CN 102797766A
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- China
- Prior art keywords
- transmission unit
- clutch mechanism
- moving part
- positioning seat
- actuator
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Abstract
The invention relates to a loosening maintaining structure of a clutch mechanism. The loosening maintaining structure comprises an actuator, an output part, a clutch mechanism and a maintaining assembly, wherein the clutch mechanism is arranged between the actuator and the output part, and is provided with a first drive part which is driven by the power output by the actuator, a second drive part which is arranged between the base part and the output part, can move between an engaging position and a separating position, and a moving part which acts between the first position and the second position; and the maintaining assembly is provided with a positioning base and a clamping part which is arranged on the positioning base in a sliding manner, wherein one end of the clamping part is connected with the moving part and can move between the clamping position and the releasing position. The loosening maintaining structure has the beneficial effect that the loosening state of the clutch mechanism can be maintained without offsetting the elasticity of the spring in a continuous force applying manner, so that the operation is more convenient and safe, parts in the clutch mechanism can be separated completely, and unnecessary mechanical wear is avoided.
Description
Technical field
The present invention relates to a kind of clutch mechanism, refer to a kind of clutch mechanism that Manpower operating can be kept the state of getting loose that need not especially.
Background technique
In the electromechanical integration technical field; Changing electric energy and be mechanical energy, the actuator of power is provided is to be employed Driving technique widely; Wherein, Linear actuators since have in light weight, structure is tight, easy to operate, the characteristics of simple and easy, low noise, high rigidity and price material benefit be installed and be applied to generally as in automation equipment, automatic lifting sick bed, massage chair or the like many Different products; Power output is provided exactly and reaches accuracy or the like the effect of significantly improving the human lives and promoting manufacturing automation, all this kind all is that science and technology is the human apparent example that exists.
And in response to the different demand of different product, actuator provided except stable power output, and the effect with the interlock that gets loose fast further is provided in the prior art; With the automatic lifting sick bed is example, and in the ordinary course of things, the user has utilized the mechanical energy that actuator provided to reach the bed surface angle or the height of adjustment sick bed; But the speed of its driving must be slow, otherwise will produce negative influence for patient, but; In the time of need giving first aid to the patient on the sick bed when meeting urgency; Sick bed is returned back on level or the lower height, make medical care personnel be easy to give first aid to, hereat; Existing technology promptly through breaking off the mode of the inner drive path of actuator, makes sick bed be able to reset comparatively apace.
And these are in order to break off the technology contents of drive path; No. the 7533591st, " actuator mechanism and bed (Actuator Assembly and Bed) " that its concrete example is then disclosed for No. 2009005045 just like US publication, the U.S. " actuator that is used for the electronic type sick bed get loose fast control mechanism (Fast-releasing controlling device of actuator for electric sickbed) "; And case before No. 6240800 patents such as " being used for adjusting the Electric actuator (Electromotoric operating mechanism for height adjustment of an article of furniture) of furniture height " of U. S. Patent; All be with the power source of actuator for its power supply; And exposure has different clutch mechanismes in order to interrupt the transmission of exerting oneself of actuator, to be fit to foregoing actual demand.
The case institute exposure clutch mechanism user takes off patent before using before; The application of force is clutch and gets loose when the state with the inner interlocking of release clutch, must keep the state of the application of force, to guarantee getting loose of clutch mechanism; Obviously, existing technology has its inconvenience in the use in fact.
Summary of the invention
The objective of the invention is to improve the deficiency of existing technology, a kind of clutch mechanism that Manpower operating can be kept the state of getting loose that need not is provided.
For realizing above-mentioned purpose, the present invention adopts following technological scheme:
1, getting loose of a kind of clutch mechanism kept structure, it is characterized in that it includes:
One actuator;
One carry-out part;
One clutch mechanism between between this actuator and this carry-out part, has one first transmission unit; Be that the power that exported by this actuator drives, one second transmission unit is located between this one and this carry-out part; Be between a bridle joint and a disengaging configuration, to move, in the time of on being positioned at this bridle joint position, this second transmission unit be respectively with this one and this carry-out part bridle joint mutually; And on being positioned at this disengaging configuration the time, this second transmission unit then is to leave with this part, a moving part; Being can start between one first and one second place, in the time of on being positioned at this primary importance, be to keep this second transmission unit on this bridle joint position; And on being positioned at this second place the time, then be that this second transmission unit is positioned on this disengaging configuration;
One keeps group, has a positioning seat, an engagement portion; It is to be slidedly arranged on this positioning seat, and is connected with this moving part with an end, and can between an engaging and a release position, move; When it is positioned on this release position; This engagement portion be with respect to this positioning seat and the displacement start, so that this moving part must be in respectively moving back and forth between this first and second position, and when it is positioned on this clamped position; This engagement portion then is to be connected on this positioning seat and to be restrained, and is positioned on this second place to keep this moving part.
Said positioning seat has a body, and one to be non-circular hole clipping be to provide on one's body this seat; Said engagement portion then is the card post with a shape of cross section and this hole clipping coupling; Be coaxial being slidedly arranged in this hole clipping; One external diameter is less than the neck post of this hole clipping minimum diameter, is with on coaxial axis of a cylinder one end that is fixed in this card post of axis of a cylinder one end, and is connected with said moving part with the other end.
Said hole clipping and said card post cross section are rectangle.
Said second transmission unit is in a tubular form, and with an end bridle joint of tubular axis one end end face and this first transmission unit, and with all side ring surfaces and this carry-out part bridle joint.
Said moving part has an axle, coaxial being slidedly arranged in this second transmission unit, and a ring is prominent, is to be based on all sides of the axial end of this axle, and is connected on the axial end end face in this second transmission unit with a side ring surface.
Said moving part more includes a spring, is the axial the other end that is set in this axle, and between between this positioning seat and this second transmission unit, and be able to the axis of a cylinder the other end that an end is connected to this second transmission unit.
Beneficial effect of the present invention is: need not to offset with the mode that continues the application of force elastic force of this spring, can keep the state that gets loose of clutch mechanism, make and operate more convenient and safe, and can guarantee that each isolation of components is complete in the clutch mechanism, avoid unnecessary mechanical wear.
Description of drawings
Fig. 1 is the stereo appearance figure of the present invention's one preferred embodiment.
Fig. 2 is the partial exploded view of the present invention's one preferred embodiment
Fig. 3 is the sectional view of the present invention's one preferred embodiment, shows that this clutch part is to be positioned on this bridle joint position.
Fig. 4 is the sectional view of the present invention's one preferred embodiment, show that this clutch part is to be positioned on this disengaging configuration, and this engagement portion is positioned at this release position.
Fig. 5 is the sectional view of the present invention's one preferred embodiment, show that this clutch part is to be positioned on this disengaging configuration, and this engagement portion is positioned on this clamped position.
Fig. 6 is the sectional view of the present invention's one preferred embodiment, shows that this engagement portion is to be positioned on this release position.
Fig. 7 is the sectional view of the present invention's one preferred embodiment, shows that this engagement portion is to be positioned on this clamped position.
Embodiment
Below, lift the present invention's one preferred embodiment now and cooperate above-mentioned graphic being described further.
See also shown in each figure, getting loose of the clutch mechanism that provides kept structure 10 in the present invention's one preferred embodiment, and it mainly is to be kept by an actuator 20, a carry-out part 30, a clutch mechanism 40 and to organize 50 and form, wherein:
This actuator 20 is in order to the power source of power to be provided, but its technology is an existing technology, does not promptly give unnecessary details in this.
30 of this carry-out parts are to have a gear-box 31; One gear train 32 is to be located in this gear-box 31, be able to transmit thereby exert all one's strength through the mutual bridle joint between gear, an output shaft 33 be with this gear train 32 in a terminal extreme gear 321 clampings of power bang path; And must rotate synchronously with this extreme gear; But about the detailed technology of this carry-out part 30, be, also will not give unnecessary details together in this in existing technology.
This clutch mechanism 40 is to have first transmission unit 41 that is made up of gear, is to receive the power of these actuator 20 outputs to drive and rotate, in a tubular form second transmission unit 42; Be coaxial corresponding with this first transmission unit 41, a corresponding gear bridle joint of all side ring surfaces and this gear train 32, tubular axis one end then with these first transmission unit, 41 coaxial bridle joints; And can be vertically and between a bridle joint and disengaging configuration reciprocating shaft move start, in the time of on being positioned at the bridle joint position, this second transmission unit 42 is bonding states of keeping with this first transmission unit bridle joint; Thereby be able to power is passed to this gear train 32 by this first transmission unit 41; And on being positioned at this disengaging configuration the time, separate with this first transmission unit 41 42 of this second transmission units, and the power bang path of 32 of this first transmission unit 41 and this gear trains is interrupted; One to be shaft-like moving part 43 are coaxial being arranged in this second transmission unit 42; And can between one first and one second place, move start by reciprocating shaft, in the time of on being positioned at this primary importance, this moving part is to keep this second transmission unit 42 on this bridle joint position; And on being positioned at this second place the time, then be that this second transmission unit 42 is positioned on this disengaging configuration;
Further, this moving part 43 has an axle 431, is coaxially to be slidably connected in this second transmission unit 42; One ring prominent 432 is all sides that are based in these axle 431 1 ends; And be connected on the end face of these second transmission unit, 42 axial ends, a spring 433 is to be set on the axial the other end of this axle 431, and is connected on the end face of these second transmission unit, 42 axial the other ends with an end; In order to elastic force to be provided, this second transmission unit 42 is maintained on this bridle joint position.
This keeps 50 of groups is to be positioned on this second place in order to keep this moving part 43, and this second transmission unit 42 is positioned on this disengaging configuration, particularly; This keeps group 50 is to have a positioning seat 51, is to be fixed on the outside end face of this gear-box 31, and corresponding to the movement direction of this moving part 43; One engagement portion 52 is to be slidedly arranged on this positioning seat 51, and is connected with this moving part 43 with an end, and can between an engaging and a release position, move; When this was positioned on this release position, this engagement portion 52 was with respect to this positioning seat 51 and the displacement start, to discharge this moving part 43; Make it in respectively moving back and forth between this first and second position, and on being positioned at this clamped position the time, 52 of this engagement portions are to be connected on this positioning seat 51; Thereby be able to restrain this moving part 43, make it to be maintained on this second place;
Further; This positioning seat 51 is to have the seat body 511 that without exception takes the shape of the letter U, and is to be fixed on the outside end face of this gear-box 31 rectangular without exception hole clipping 512 with two free ends; Be to provide on this body 511, the hole axle is also coaxial corresponding with the axle 431 of this moving part 43;
52 of this engagement portions are to have a cylindric sliding sleeve 521, are to be fixed on these axle 431 axial the other ends so that closed end is coaxial, and an attachment post 522 is in the coaxial opening end that is fixed in this sliding sleeve 521; One external diameter is to be fixed on this attachment post 522 so that an end is coaxial less than the neck post 523 of these hole clipping 512 minimum diameters; One section configuration is similar to be coaxial being slidedly arranged in this hole clipping 512 in the card post 524 of these hole clipping 512 rectangles (that is shape of cross section and this hole clipping 512 couplings), and with on the coaxial the other end that is fixed in this neck post 523 of an end; In view of the above; When this engagement portion 52 is positioned on this primary importance, be to make this card post 524 and this hole clipping 512 be complementary pair to answer, this card post 524 must be moved by reciprocating shaft in this hole clipping 512; And when being positioned on this second place; Then be to make this neck post 523 be arranged in hole clipping 512, and rotate this card post 524 and make it the shape interleaved with this hole clipping 512, thereby the end face of an end of this card post 524 is connected on this body 511; Produce displacement to limit this engagement portion 52 with respect to this positioning seat 51, produce the effect of restraining.
Through the composition of above-mentioned member, this clutch mechanism 40 is the elastic force that provided by this spring 433, and is positioned on this bridle joint position by normality property ground; The path of transferring power is provided according to this, and works as the operator, make this moving part 43 when this primary importance is moved to this second place via this this axle 431 of engagement portion 52 application of forces pulling; Then make this clutch mechanism 40 be positioned at this disengaging configuration, interrupt the transmission of power according to this, hereat; The operator also can further impose the power of rotation on this engagement portion 52; Make the suitable angle of these card post 524 rotations, and this release position is moved to this clamped position certainly, in view of the above; Can keep this clutch mechanism 40 and remain on this disengaging configuration, be continuously applied on it and need not manpower.
Thus; The getting loose of this clutch mechanism kept structure 10 compared to existing technologies, when the operator after the start that gets loose of carrying out clutch mechanism, need not to offset the elastic force of this spring with the mode that continues the application of force; But the clamping through this engagement portion 50 is to keep its state that gets loose; Except that having the labour-saving effect, and can guarantee that respectively this first, second transmission unit separation to each other is complete in the clutch mechanism, avoid it to each other because of not breaking away from the wearing and tearing of deriving fully; And, make operator be able to reach really simple and feasible ground and independently accomplish getting loose of clutch mechanism and keep it.
Claims (6)
1. getting loose of a clutch mechanism kept structure, it is characterized in that it includes:
One actuator;
One carry-out part;
One clutch mechanism between between this actuator and this carry-out part, has one first transmission unit; Be that the power that exported by this actuator drives, one second transmission unit is located between this one and this carry-out part; Be between a bridle joint and a disengaging configuration, to move, in the time of on being positioned at this bridle joint position, this second transmission unit be respectively with this one and this carry-out part bridle joint mutually; And on being positioned at this disengaging configuration the time, this second transmission unit then is to leave with this part, a moving part; Being can start between one first and one second place, in the time of on being positioned at this primary importance, be to keep this second transmission unit on this bridle joint position; And on being positioned at this second place the time, then be that this second transmission unit is positioned on this disengaging configuration;
One keeps group, has a positioning seat, an engagement portion; It is to be slidedly arranged on this positioning seat, and is connected with this moving part with an end, and can between an engaging and a release position, move; When it is positioned on this release position; This engagement portion be with respect to this positioning seat and the displacement start, so that this moving part must be in respectively moving back and forth between this first and second position, and when it is positioned on this clamped position; This engagement portion then is to be connected on this positioning seat and to be restrained, and is positioned on this second place to keep this moving part.
2. getting loose of clutch mechanism kept structure according to claim 1, it is characterized in that, said positioning seat has a body, and one to be non-circular hole clipping be to provide on one's body this seat; Said engagement portion then is the card post with a shape of cross section and this hole clipping coupling; Be coaxial being slidedly arranged in this hole clipping; One external diameter is less than the neck post of this hole clipping minimum diameter, is with on coaxial axis of a cylinder one end that is fixed in this card post of axis of a cylinder one end, and is connected with said moving part with the other end.
3. keep structure like getting loose of the said clutch mechanism of claim 2, it is characterized in that, said hole clipping and said card post cross section are rectangle.
4. keep structure like getting loose of the said clutch mechanism of claim 2, it is characterized in that, said second transmission unit is in a tubular form, and with an end bridle joint of tubular axis one end end face and this first transmission unit, and with all side ring surfaces and this carry-out part bridle joint.
5. keep structure like getting loose of the said clutch mechanism of claim 4; It is characterized in that; Said moving part has an axle, coaxial being slidedly arranged in this second transmission unit, and a ring is prominent; Be to be based on all sides of the axial end of this axle, and be connected on the axial end end face in this second transmission unit with a side ring surface.
6. keep structure like getting loose of the said clutch mechanism of claim 5; It is characterized in that said moving part more includes a spring, is the axial the other end that is set in this axle; And between between this positioning seat and this second transmission unit, and be able to the axis of a cylinder the other end that an end is connected to this second transmission unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110138549.3A CN102797766B (en) | 2011-05-26 | 2011-05-26 | Loosening maintaining structure of clutch mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110138549.3A CN102797766B (en) | 2011-05-26 | 2011-05-26 | Loosening maintaining structure of clutch mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102797766A true CN102797766A (en) | 2012-11-28 |
| CN102797766B CN102797766B (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110138549.3A Active CN102797766B (en) | 2011-05-26 | 2011-05-26 | Loosening maintaining structure of clutch mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102797766B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4223773A (en) * | 1977-09-12 | 1980-09-23 | Brunswick Corporation | Drive engaging apparatus |
| CN2545428Y (en) * | 2002-05-20 | 2003-04-16 | 大银微系统股份有限公司 | Quick removing and fastening mechanism of actuator |
| CN2893325Y (en) * | 2006-01-06 | 2007-04-25 | 加维股份有限公司 | Linear gearing device with fast release function |
| US20110061480A1 (en) * | 2009-08-11 | 2011-03-17 | Kuo-En Tseng | Quick-release mechanism of an actuator |
-
2011
- 2011-05-26 CN CN201110138549.3A patent/CN102797766B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4223773A (en) * | 1977-09-12 | 1980-09-23 | Brunswick Corporation | Drive engaging apparatus |
| CN2545428Y (en) * | 2002-05-20 | 2003-04-16 | 大银微系统股份有限公司 | Quick removing and fastening mechanism of actuator |
| CN2893325Y (en) * | 2006-01-06 | 2007-04-25 | 加维股份有限公司 | Linear gearing device with fast release function |
| US20110061480A1 (en) * | 2009-08-11 | 2011-03-17 | Kuo-En Tseng | Quick-release mechanism of an actuator |
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| Publication number | Publication date |
|---|---|
| CN102797766B (en) | 2014-06-04 |
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