CN2937632Y - Tooth positioning clutch - Google Patents

Abstract

A tooth orientation clutch includes a wheel capable of sliding axially which is cased a section of the axis with guide key, the wheel capable of axially sliding corresponding axially to another wheel relatively fixed on another axial position, the tooth of the wheel capable of axially sliding axially corresponding to that of the wheel relatively fixed on another axial position, another orientation drive device positioned between the wheel capable of axially sliding and with saw teeth and that relatively fixed on another axial position and with saw teeth, components at both ends of the drive line of the drive device respectively connected with the two wheels with saw teeth. When the tooth orientation clutch has surpass movement, little noise is produced, and the service life can be very long.

Description

The dentition formula directional clutch

Affiliated technical field

The utility model relates to a kind of driven member and can surmount driving link and make to surmount the dentition formula directional clutch of motion, when especially doing to surmount motion seldom the working life of noise fully long dentition formula directional clutch.

Background technique

At present, the structure of known dentition formula directional clutch is: but the wheel of axial slip is overlapping the segment section that feather key is arranged of axle, but the wheel of this axial slip and another relatively-stationary wheel in axial position axially corresponding, this has the shaft axis of the axle of feather key to be in same straight line with the relatively-stationary shaft center line of taking turns in axial position, but the axial end of the wheel of this axial slip has tooth, the axial end of the wheel of this axial position same fixed has tooth, but the tooth of the wheel of this axial slip with this axially the relatively-stationary tooth of taking turns in position axially corresponding, bearing is supporting axle, the structure of its concrete mode comprises, axially stationary sleeve wheel in position is overlapping one, but the sleeve of axial slip wheel is overlapping one the segment section that feather key is arranged, the shaft center line of this two sleeves wheel is in same straight line, axially the axial end of position stationary sleeve wheel has notched teeth, but the axial end of the sleeve of axial slip wheel has notched teeth, axially but the notched teeth of position stationary sleeve wheel and the notched teeth of the sleeve wheel of axial slip be axially corresponding, and bearing is supporting spool.Known from institute, it is this that the stressed principle of transmission of the directional clutch of notched teeth is arranged is the stressed principle of transmission of ratchet top yoke, belong to this stressed principle and top yoke body can self-return directional clutch, the mode of structure that relatively large degree ground is used, be ratchet and the directional clutch that the ratchet corresponding of ratchet is arranged, its application, be limited in transmission occasion largely than the less load of the slow-speed of revolution, the present this driving component directional clutch of the mode of structure of top yoke mutually that can self-return, it has the self-return of the driving component of tooth to drive control by spring, transmission occasion at high-speed overload, when doing to surmount motion, there is the driving component of tooth to continue to make odontotripsis, and noise is arranged to another driving component direction return that tooth is arranged.The general dentition formula directional clutch that drives control with spring as return, when doing to surmount motion, tangible noise is arranged, the return percussion makes the wearing and tearing of the notched teeth back side, this influences the working life of this clutch negatively, owing to such reason, at present, on the gearing of the higher rotation speed that directional clutch is arranged, seldom use general dentition formula directional clutch, but use the relatively large friction type directional clutch of volume morely, therefore, the little lightweight advantage of dentition formula directional clutch volume is restricted on using.

Invent decided at the higher level but not officially announced

In order to overcome existing dentition formula directional clutch percussion noise and the such deficiency of wearing and tearing are arranged when doing to surmount motion, the utility model provides a kind of dentition formula directional clutch, this dentition formula directional clutch noise seldom when doing to surmount motion, and working life is fully long.

The technological scheme that its technical problem that solves the utility model adopts is: but the wheel of axial slip is overlapping the segment section that feather key is arranged of axle, but the wheel of this axial slip and another relatively-stationary wheel in axial position axially corresponding, this has the shaft axis of the axle of feather key to be in same straight line with the relatively-stationary shaft center line of taking turns in axial position, but the axial end of the wheel of this axial slip has tooth, this relatively-stationary axial end of taking turns in axial position has tooth, but the tooth of the wheel of this axial slip with this axially the relatively-stationary tooth of taking turns in position axially corresponding, bearing is supporting axle, the structure of concrete mode comprises, axially stationary sleeve wheel in position is overlapping one, but the sleeve of axial slip wheel is overlapping one the segment section that feather key is arranged, the shaft center line of this two sleeves wheel is in same straight line, axially the axial end of position stationary sleeve wheel has notched teeth, axially but the notched teeth of position stationary sleeve wheel and the notched teeth of the sleeve wheel of axial slip be axially corresponding, and bearing is supporting spool.But at the wheel that notched teeth is arranged of axial slip and axially between the relatively-stationary wheel that notched teeth arranged in position, another directed transmission device is set, the orientation input power spare of this another directed transmission device two has one in the wheel of notched teeth to have the driving face of the wheel of notched teeth to be connected corresponding with this, this another directed transmission device has the part body of directed outputting power, the part body of the directed outputting power of this another directed moving device two has in the wheel of notched teeth another to have a transmission body of the wheel of notched teeth to be connected with this, but another directed transmission device is set at the sleeve wheel that notched teeth is arranged of axial slip and between the sleeve wheel that notched teeth is arranged that axially position is fixed, but this driving face of taking turns in sleeve of axial slip wheel and the orientation input power spare of axial another the directed transmission device between the position stationary sleeve wheel and an axial stationary sleeve is connected corresponding, but but this be connected by the transmission body of driving component body with the axial part body of the directed outputting power of another the directed transmission device between the position stationary sleeve wheel at sleeve of axial slip wheel with the sleeve wheel of axial slip, but this takes turns in sleeve wheel of axial slip and the frame of another directed transmission device between axially the position stationary sleeve is taken turns and is overlapping spool.At the rotating speed of the driven wheel that notched teeth is arranged during greater than the rotating speed of the wheel that notched teeth is arranged initiatively, but this wheel that notched teeth is arranged of axial slip and axially the directed transmission device between the fixing wheel that notched teeth is arranged in position be in very light sliding friction state, make this two maintain separated state like this at axial in correspondence with each other the wheel that notched teeth is arranged, reach and begin the such state of rotating speed when initiatively the wheel that notched teeth is arranged becomes its rotating speed from its rotating speed less than the state of the rotating speed of the driven wheel that notched teeth is arranged, but two have the part body of the directed outputting power of another the directed biography device between the wheel of notched teeth just to drive the wheel that notched teeth is arranged that control power drives axial slip and have the wheel of notched teeth to engage with corresponding another owing to being subjected to orientation at this greater than the driven wheel that notched teeth is arranged.At the rotating speed of the driven sleeve wheel that notched teeth arranged during greater than the rotating speed of initiatively the sleeve wheel that notched teeth is arranged, the directed transmission device between but this sleeve that notched teeth is arranged of fixing in the sleeve wheel that notched teeth is arranged and the axial position of axial slip is taken turns is in very light sliding friction state, make this two maintain separated state like this at axial in correspondence with each other the sleeve wheel that notched teeth is arranged, reach and begin the such state of rotating speed when initiatively the sleeve wheel that notched teeth is arranged becomes its rotating speed from its rotating speed less than the state of the rotating speed of the driven sleeve wheel that notched teeth is arranged, but two the part body of directed outputting power of another the directed transmission device between the sleeve wheel of notched teeth is arranged just owing to be subjected to orientation and drive control power and drive the sleeve wheel that notched teeth is arranged of axial slip and take turns with an axial sleeve of fixing that notched teeth is arranged and engage at this greater than the driven sleeve wheel that notched teeth is arranged.Like this, when doing to surmount motion, the driving component that notched teeth is arranged of this clutch just can maintain separated state, and this has another transmission device that is provided with between the driving component of notched teeth to make this clutch can realize becoming joint and transmission from doing to surmount motion two.

In sum, the beneficial effects of the utility model are, dentition formula directional clutch of the present utility model noise seldom when doing to surmount motion, and working life is fully long.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12 and Figure 13 are respectively embodiment's figure.Fig. 1, Fig. 2, Fig. 8, Fig. 9 and Figure 13 are the erection drawings of embodiment's of the present utility model structure, the I place is the M-M part section erection drawing of Fig. 1 a among Fig. 2, other place among Fig. 2 a beyond the I is the erection drawing of the A-A part section of Fig. 1, Fig. 3 is the figure of frame wheel, Fig. 4 is the view of holder, Fig. 5 is the view of cylindrical friction roll, Fig. 6 is a figure by end portion of axial position stationary sleeve wheel, Fig. 7 is the figure of reed, Fig. 8 is that the N-N section of Fig. 1 a amplifies erection drawing at 2: 1, Fig. 9 is that the H-H section of Fig. 1 a amplifies erection drawing at 2: 1, Figure 10 is the partial rear view of the view of Fig. 3, but Figure 11 is the partial view of the sleeve wheel of axial slip, Figure 12 is the partial view of axial position stationary sleeve wheel, Figure 13 a is 2: 1 enlarged views in I place of Fig. 1 a, Fig. 2 a, Fig. 3, Figure 10, the size of the member of the code name representative of the view of Fig. 7 is pressed Fig. 1 a, Figure 11, Figure 12, the size of the member of the identical code name representative of Fig. 5 and Fig. 6 is done amplification in 2: 1, and the size of the holder of Fig. 4 is pressed the size of the holder of Fig. 2 a and done amplification in 2: 1.Axial position stationary sleeve wheel in the drawings, 1; But the sleeve of 2 axial slips wheel; But 2a, with the sleeve of the axial slip wheel screw rod of disjunctor mutually; 3, frame wheel; 4, cylindrical friction roll; 5, driven shaft; 6, driving shaft; 7, cylindrical roller; 8, reed; 9, screw; 10, bearing; 11, bearing; 12, supporting mass; 13, spiral shell; 14, the baffle plate of lubricating chamber's sealing; 15, the baffle plate of lubricating chamber's sealing; 16, holder; 17, pressure spring; 18, spiral shell; 19, spiral shell; 20, flat key; 21, packing ring; 22, packing ring.

Each map unit that Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Figure 11, Figure 12 and Figure 13 this each figure grade indicates has plural width of cloth component respectively, with the small letter English alphabet of component below as a minute figure grade.Fig. 1 b is II place 2 to 1 enlarged views of Fig. 1 a.Fig. 2 b is that subssembly drawing is amplified in the A-A section rotation 3 to 1 of Fig. 2 a.Fig. 3 b is that the A-A of Fig. 3 a analyses and observe the local figure of rotation.Fig. 3 c is the local figure of B-B section rotation of Fig. 3 a.Fig. 3 d is that the C-C of Fig. 3 a analyses and observe the local figure of rotation.Fig. 3 e is the D-D sectional drawing of Fig. 3 a.Fig. 3 f is the E-E sectional view of Fig. 3 a.Fig. 6 b is the A-A sectional view of Fig. 6 a.The direction of sight of Fig. 6 a is the direction of sight of Fig. 1 a.Fig. 7 c is A-A section 3 to 1 enlarged views of Fig. 7 a.Figure 13 b is the B-B section erection drawing of Figure 13 a.The direction of sight of Figure 11 c is the right apparent direction of Fig. 1 a.Among Figure 11, as the main figure that looks, Figure 11 a looks up local figure with Figure 11 c, and Figure 11 b is that figure is looked local on a left side, and Figure 11 d is that figure is looked local on the right side, and Figure 11 e overlooks local figure, and Figure 11 f overlooks 2 to 1 to amplify local figure.The direction of sight of Figure 12 c is the left apparent direction of Fig. 1 a.Among Figure 12, as the main figure that looks, Figure 12 a looks up local figure with Figure 12 c, and Figure 12 b is that figure is looked local on a left side, and Figure 12 d is that figure is looked local on the right side, and Figure 12 e overlooks local figure.

Embodiment

Be positioned at this two have notched teeth wheel with another directed transmission device be the directed transmission device of friction type.Among erection drawing 1 and Fig. 2, axially position stationary sleeve wheel (1), cylindrical friction roll (4), frame wheel (3), reed (8), pressure spring (17), spiral shell (18), holder (16) and roller (7) are formed the directed transmission device of friction type, illustrated in figures 1 and 2, the thread groove of this directed transmission device is connected with screw rod (2a), screw rod (2a) but with the sleeve of axial slip wheel (2) disjunctor mutually.In Fig. 1, frame wheel (3) is overlapping driven shaft (5), between frame wheel (3) endoporus and driven shaft (5), cylindrical roller (7) is housed.Show that in Fig. 2 this clutch sense of rotation is the B direction.State when this clutch is done to surmount motion is as shown in Fig. 1 and Fig. 2.Axially position stationary sleeve wheel (1) is a driving wheel, but the sleeve of axial slip wheel (2) is a follower.

Claims (3)

1, a kind of dentition formula directional clutch, but the wheel of axial slip is overlapping the segment section that feather key is arranged of axle, but the wheel of this axial slip and another relatively-stationary wheel in axial position axially corresponding, this has the shaft axis of the axle of feather key to be in same straight line with the relatively-stationary shaft center line of taking turns in axial position, but the axial end of the wheel of this axial slip has tooth, this relatively-stationary axial end of taking turns in axial position has tooth, but the tooth of the wheel of this axial slip with this axially the relatively-stationary tooth of taking turns in position axially corresponding, bearing is supporting axle, the structure of concrete mode comprises, axially stationary sleeve wheel in position is overlapping one, but the sleeve of axial slip wheel is overlapping one the segment section that feather key is arranged, the shaft center line of this two sleeves wheel is in same straight line, axially the axial end of position stationary sleeve wheel has notched teeth, but the axial end of the sleeve of axial slip wheel has notched teeth, axially but the notched teeth of position stationary sleeve wheel and the sleeve of the axial slip notched teeth of taking turns is axially corresponding, bearing is supporting axle, it is characterized in that: but at the wheel that notched teeth is arranged of axial slip and axially between the relatively-stationary wheel that notched teeth arranged in position, another directed transmission device is arranged, the orientation input power spare of this another directed transmission device two has one in the wheel of notched teeth to have the driving face of the wheel of notched teeth to be connected corresponding with this, this another directed transmission device has the part body of directed outputting power, the part body of the directed outputting power of this another directed transmission device two has in the wheel of notched teeth another to have a transmission body of the wheel of notched teeth to be connected with this, but at the sleeve wheel that notched teeth is arranged of axial slip and between the sleeve wheel that notched teeth is arranged that axially position is fixed, another directed transmission device is arranged, but this driving face of taking turns in sleeve of axial slip wheel and the orientation input power spare of axial another the directed transmission device between the position stationary sleeve wheel and an axial stationary sleeve is connected corresponding, but but this be connected by the transmission body of driving component body with the axial part body of the directed outputting power of another the directed transmission device between the position stationary sleeve wheel at sleeve of axial slip wheel with the sleeve wheel of axial slip, but this takes turns in sleeve wheel of axial slip and the frame of another directed transmission device between axially the position stationary sleeve is taken turns and is overlapping spool.

2, dentition formula directional clutch according to claim 1, it is characterized in that: but in the wheel that notched teeth is arranged of axial slip and axial position the relatively-stationary wheel that notched teeth arranged with another directed transmission device be the directed transmission device of friction type, but another the directed transmission device between the fixing sleeve wheel that notched teeth is arranged in the sleeve wheel that notched teeth is arranged of axial slip and axial position is a friction type orientation transmission device.

3, dentition formula directional clutch according to claim 1, it is characterized in that: but but axial slip by the wheel of notched teeth and axially the part body of the relatively-stationary directed outputting power by another the directed transmission device between the wheel of notched teeth in position forms the thread screw driving mechanism with the part body that the wheel by notched teeth of axial slip is ined succession, but but taking turns the part body of ining succession by fixing the sleeve in the sleeve wheel of notched teeth and axial position and form the thread screw driving mechanism at axial slip by notched teeth by the part body of the directed outputting power of another the directed transmission device between the sleeve wheel of notched teeth and axial slip.

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