CN204632690U - Rotating shaft stopping means - Google Patents
Rotating shaft stopping means Download PDFInfo
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- CN204632690U CN204632690U CN201420729119.8U CN201420729119U CN204632690U CN 204632690 U CN204632690 U CN 204632690U CN 201420729119 U CN201420729119 U CN 201420729119U CN 204632690 U CN204632690 U CN 204632690U
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- moveable hinge
- hinge contact
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- axial limit
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- 238000005452 bending Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000002730 additional effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model provides a kind of rotating shaft stopping means, rotating shaft stopping means comprise be fixedly hinged a little and respectively with the movable axial limit structure that assembles and the circumferential position limiting structure of being fixedly hinged, axial limit structure have on its active strokes near rotating shaft with the locking position of the corresponding Plug Division grafting with rotating shaft and for away from rotating shaft with the solution lock-bit departed from the corresponding Plug Division of rotating shaft, circumference position limiting structure have on its active strokes near rotating shaft with the block position coordinated with the corresponding stop section block of rotating shaft with for dodging position away from rotating shaft with what dodge the corresponding stop section of rotating shaft, when axial limit structure is in locking position, circumference position limiting structure is in and dodges position, when axial limit structure is in solution lock-bit, circumference position limiting structure is in block position, thus realize the interlaced spacing of two degrees of freedom of countershaft rotation in the circumferential and movement axially.
Description
Technical field
The utility model relates to a kind of rotating shaft stopping means.
Background technology
In the breaking-closing operating process of electric switch as circuit breaker, the normal breaking-closing operating adopting electric operating mechanism and manual operation mechanism to realize electric switch.When carrying out manual operation, mostly be that operating grip is inserted in corresponding slot, after insertion puts in place, drive operating grip to rotate, drive insulated tension pole to move back and forth with moving contact by a series of transmission mechanism, realize grafting and the disengaging of moving contact and corresponding fixed contact.Because be in operating process in handle rotation process, need to prevent handle from deviating from associated socket, avoid occurring surprisingly, and when handle is extracted from slot, need again to limit the rotation of handle in withdrawal process in the circumferential, to avoid occurring handle unintentional rotation or rotating excessive and cause additional effect to operating mechanism.
Applying for that notification number is disclose a kind of electric switch divide-shut brake Manual operation device in the Chinese invention patent of CN104143453A, this powder operation device by the annular groove inserting on the locking bar that moves back and forth and operating grip while guarantee handle normal rotation, prevent handle from surprisingly deviating from from slot, in powder operation device, locking bar is driven to move back and forth by the transmission mechanism of complexity, to realize grafting, the disengaging of locking bar and annular groove, ensure the normal work of handle.This powder operation device not only complex structure, and it upwards can only carry out spacing control to handle in Handle axis, also need to arrange the circumference rotation that circumferential position-limit mechanism carrys out joystick in addition, complicated integral structure, take up room larger, need higher machining accuracy and assembly precision just can meet design requirement, manufacture, assembling all comparatively bother.
Utility model content
The utility model provides a kind of can carry out spacing rotating shaft stopping means by countershaft in rotating shaft axis and rotation circumference.
The technical scheme of rotating shaft stopping means provided by the utility model is: rotating shaft stopping means, comprise for be arranged in rotating shaft side be fixedly hinged a little and respectively with the movable axial limit structure that assembles and the circumferential position limiting structure of being fixedly hinged, axial limit structure be used for the corresponding Plug Division grafting of rotating shaft with rotating shaft axially countershaft carry out spacing, circumference position limiting structure carries out spacing for coordinating with the corresponding stop section block of rotating shaft with the rotational travel of countershaft in rotating shaft circumference, axial limit structure have on its active strokes near rotating shaft with the locking position of the corresponding Plug Division grafting with rotating shaft and for away from rotating shaft with the solution lock-bit departed from the corresponding Plug Division of rotating shaft, circumference position limiting structure have on its active strokes near rotating shaft with the block position coordinated with the corresponding stop section block of rotating shaft with for dodging position away from rotating shaft with what dodge the corresponding stop section of rotating shaft, circumference position limiting structure and axial limit structure dodge position by the wherein a kind of assembling in following two kinds of modes to make the circumference position limiting structure when axial limit structure is in locking position be in, when axial limit structure is in solution lock-bit, circumference position limiting structure is in block position,
(1) be fixedly hinged described in and a little have swing rod structure by the jointed shaft hinge mounted of arranging with shaft parallel, the bent rod section that swing rod structure has the mobile jib section for being arranged in rotating shaft side and extends towards the bending of rotating shaft opposite side, bent rod section has and extends to rotating shaft opposite side to be in the mounting rod section of the relative both sides of rotating shaft with described mobile jib section, and one of them in described axial limit structure and circumferential position limiting structure is installed in described mobile jib section, another is installed in described mounting rod section;
(2) the rotating shaft stopping means described in also comprises and to be a little oppositely arranged and along the moveable hinge contact near rotating shaft-move back and forth away from the direction of rotating shaft with described being fixedly hinged, moveable hinge contact and between being fixedly hinged some bridge joint have two connecting rods, the hinge mounted of end in opposite directions of two connecting rods together, opposing end respectively with moveable hinge contact and the point articulated assembling that is fixedly hinged to make to be fixedly hinged a little, moveable hinge contact and two connecting rods form planar linkage structure, one of them in described axial limit structure and circumferential position limiting structure is with described moveable hinge contact synchronizing moving, another is then with the hinged place synchronizing moving that one of them in described two connecting rods or two connecting rods are held in opposite directions.
Described rotating shaft stopping means comprises and a described described moveable hinge contact forming described planar linkage structure that is fixedly hinged, described moveable hinge contact linearly leads and moves back and forth, described in be fixedly hinged a little be positioned at through moveable hinge contact and along moveable hinge contact moving direction extend extended line on.
Described extended line is for the crossing center line of the center rotating axis with described rotating shaft, and described planar linkage structure has been arranged symmetrically with two covers about described center line, and two cover planar linkage structures share described being fixedly hinged a little and moveable hinge contact.
Described rotating shaft stopping means also comprises the active drive structure for driving moveable hinge contact to move back and forth, active drive structure comprises clutch end, clutch end drives moveable hinge contact linearly to lead by intermediate transmission bar and moves back and forth, intermediate transmission bar extends along the bearing of trend of described extended line, and described in be movably hinged point location and be assemblied on described intermediate transmission bar with intermediate transmission bar synchronization action.
Described bridge joint is being fixedly hinged a little and in two connecting rods between moveable hinge contact is being first connecting rod with the point articulated connecting rod that is fixedly hinged, be second connecting rod with being movably hinged point articulated connecting rod, described circumferential position limiting structure is installed in moveable hinge contact place, and described axial limit structure is installed on first connecting rod or second connecting rod.
Be provided with for applying to move to make circumferential position limiting structure move towards block displacement towards the direction near rotating shaft towards intermediate transmission bar can be controlled during active force away from rotating shaft movement with moveable hinge contact to intermediate transmission bar at clutch end between described clutch end and intermediate transmission bar or moveable hinge contact, axial limit structure is towards unlocking the dynamic emergent unlocking structure of displacement, emergent unlocking structure comprises one of them movable elongated hole extended along described extended line be provided with of described clutch end and intermediate transmission bar, another is installed with the trundle assembled with the activity of described movable elongated hole guiding, movable elongated hole has towards the near-end of described moveable hinge contact and the far-end away from described moveable hinge contact, be provided with between described clutch end and intermediate transmission bar or moveable hinge contact and apply to force intermediate transmission bar distally mobile with the extension spring making trundle move to movable elongated hole near-end to intermediate transmission bar.
Described circumferential position limiting structure is the block bar for coordinating with the corresponding stop section block that rotating shaft is convexly equipped with coaxially being fixedly arranged on described moveable hinge contact place; Described axial limit structure is the grafting auxiliary section for coordinating with the corresponding Plug Division grafting in rotating shaft be installed on described first connecting rod.
The beneficial effects of the utility model are: rotating shaft stopping means provided by the utility model in use, make axial limit structure near rotating shaft with the corresponding grafting in corresponding Plug Division in rotating shaft, axial limit structure is in locking position to limit rotating shaft movement in the axial direction, circumference position limiting structure is in away from rotating shaft dodges position, rotating shaft can be rotated, rotating shaft and axial limit structure are rotatably assorted, simultaneously, solution lock-bit is in depart from the corresponding Plug Division in rotating shaft is corresponding away from rotating shaft at axial limit structure, rotating shaft is not spacing in the axial direction, can move in the axial direction, but because circumferential position limiting structure coordinates for the corresponding stop section block in rotating shaft towards moving to block position near the direction of rotating shaft by dodging position, thus can countershaft rotation in the circumferential carry out spacing, thus realize the interlaced spacing of two degrees of freedom of countershaft rotation in the circumferential and movement axially.No matter be realize circumferential position limiting structure and axial limit structure near rotating shaft and the movement away from rotating shaft by swing rod structure or by corresponding planar linkage structure in rotating shaft stopping means provided by the utility model, and be mostly utilize swing and rotate away from, make device action amplitude comparatively large, the overall volume of stopping means can be effectively reduced.
Further, corresponding realization is carried out circumferential and axially countershaft spacing with just in time contrary motion by planar linkage structure control axial limit structure and circumferential position limiting structure, structure is comparatively simple, and moveable hinge contact is linearly led move back and forth, be convenient to the stroke designing circumferential position limiting structure and axial limit structure, by the design of overall stopping means, manufacturing cost.
Further, planar linkage structure is arranged symmetrically with two covers about center line, has improved the structural strength of two cover planar linkage structures, improved the stability of moveable hinge contact linearly movement, ensure the normal movement of axial limit structure and circumferential position limiting structure.
Further, emergent unlocking structure is provided with between the clutch end of active drive structure and intermediate transmission bar or moveable hinge contact, when needs promptly drive intermediate transmission bar to move towards rotor shaft direction along extended line direction with moveable hinge contact, can under the prerequisite overcoming extension spring active force, move to forcing intermediate transmission bar to the direction near rotating shaft, now, near-end from movable elongated hole distally moves by trundle, direction with moveable hinge contact along extended line direction near rotating shaft is moved by intermediate transmission bar, and then circumferential position limiting structure is moved to block displacement, and axial limit structure is moved to unblock displacement, the spacing of countershaft in the axial direction can be decontroled.
Accompanying drawing explanation
Fig. 1 is the structural representation of rotating shaft stopping means provided by the utility model;
Fig. 2 be the stopping means of rotating shaft shown in Fig. 1 in the axial direction countershaft carry out the spacing fundamental diagram of axial translation;
Fig. 3 be the stopping means of rotating shaft shown in Fig. 1 in the circumferential countershaft carry out the fundamental diagram of circumferential rotary spacing.
Embodiment
As shown in Figure 1 to Figure 3, a kind of embodiment of rotating shaft stopping means, stopping means in this embodiment can carry out spacing by two degree of freedom countershafts on axial and circumferential, this stopping means comprise for be arranged in rotating shaft 5 side be fixedly hinged a little 6 and respectively with a little 6 movable axial limit structure that assembles and the circumferential position limiting structures that are fixedly hinged, axial limit structure be herein used for the corresponding Plug Division grafting of rotating shaft 5 with rotating shaft axially countershaft carry out spacing, circumference position limiting structure carries out spacing for coordinating with the corresponding stop section block of rotating shaft 5 with the rotational travel of countershaft in rotating shaft circumference, axial limit structure have on its active strokes near rotating shaft 5 with the locking position of the corresponding Plug Division grafting with rotating shaft 5 and for away from rotating shaft 5 with the solution lock-bit departed from the corresponding Plug Division of rotating shaft 5, circumference position limiting structure have on its active strokes near rotating shaft 5 with the block position coordinated with the corresponding stop section block of rotating shaft 5 with for dodging position away from rotating shaft 5 with what dodge the corresponding stop section of rotating shaft 5.And, when axial limit structure is in locking position, circumference position limiting structure is in and dodges position, axial limit structure and rotating shaft are rotatably assorted in the circumferential, the circumference that can not affect rotating shaft is rotated, when axial limit structure is in solution lock-bit, circumference position limiting structure is in block position, and circumferential position limiting structure and rotating shaft in the axial direction can relative movements, circumferential position limiting structure can not moving axially of countershaft impact.
Specifically, rotating shaft stopping means also comprises and a little 6 to be oppositely arranged and along the moveable hinge contact 7 near rotating shaft-move back and forth away from the direction of rotating shaft with described being fixedly hinged, moveable hinge contact 7 herein linearly leads and moves back and forth, described be fixedly hinged a little 6 be positioned at through moveable hinge contact 7 and along moveable hinge contact moving direction extend extended line on, and this extended line is for the crossing center line of the center rotating axis with rotating shaft 5, moveable hinge contact 7 and be fixedly hinged a little between 6 bridge joint have two connecting rods, the hinge mounted of end in opposite directions of two connecting rods together, opposing end respectively with moveable hinge contact 7 and be fixedly hinged a little 6 hinge mounted to make to be fixedly hinged a little 6, moveable hinge contact 7 and two connecting rods form planar linkage structure 4, bridge joint in two connecting rods a little between 6 and moveable hinge contact 7 is first connecting rod 4-3 with a little 6 hinged connecting rods that are fixedly hinged being fixedly hinged herein, the connecting rod hinged with moveable hinge contact 7 is second connecting rod 3-2, in the present embodiment, above-mentioned planar linkage structure 4 is furnished with two covers about above-mentioned center line, and two cover planar linkage structures 4 share and described are fixedly hinged a little 6 and moveable hinge contact 7.
In the present embodiment, above-mentioned circumferential position limiting structure is installed in moveable hinge contact 7 place, axial limit structure is then installed on first connecting rod 4-3, circumferential position limiting structure is herein for being installed in moveable hinge contact place and with moveable hinge contact synchronization-moving block bar 4-1, block bar 4-1 is used for coordinating with the corresponding block of boss 5-1 as stop section that rotating shaft 5 is provided with carrying out spacing with countershaft in the circumferential, and block bar and the boss 5-1 in rotating shaft 5 coordinate rotating shaft is axially mobile, can not affect rotating shaft 5 in rotating shaft normal movement axially.Circumferential position limiting structure then for be installed on two first connecting rod 4-3 for coordinating with the annular spacing groove 5-2 grafting of the corresponding Plug Division as rotating shaft 5, and impact in order to avoid countershaft 5 rotation in the circumferential, grafting auxiliary section on first connecting rod is had to coincide with the necking down shaft part profile of annular spacing groove adaptive indent arcuate structure, avoid can not countershaft 5 rotation in the circumferential impacting when the grafting auxiliary section on first connecting rod and the annular spacing groove inserting in rotating shaft.
In the present embodiment, circumference position limiting structure and axial limit structure by above-mentioned planar linkage Standard with to make when axial limit structure is in locking position circumference position limiting structure be in dodge position, when axial limit structure be in separate lock-bit time circumferential position limiting structure be in block position, namely when namely moveable hinge contact 5 moves towards block displacement near rotating shaft with circumferential position limiting structure, first connecting rod 4-3 will move away from rotating shaft 5, and first connecting rod 4-3 will move towards unblock displacement with axial limit structure.And when moveable hinge contact 5 with circumferential position limiting structure away from rotating shaft namely towards dodge displacement move time, first connecting rod 4-3 will move near rotating shaft 5, and first connecting rod 4-3 will move towards locking displacement with axial limit structure.
Above-mentioned rotating shaft stopping means also comprises the active drive structure for driving moveable hinge contact to move back and forth, active drive structure comprises clutch end 1, clutch end 1 drives moveable hinge contact 7 linearly to lead by intermediate transmission bar 2 and moves back and forth, intermediate transmission bar 2 extends along the bearing of trend of described extended line, and described moveable hinge contact 7 orientation assemble on described intermediate transmission bar 2 with intermediate transmission bar synchronization action.And, in the present embodiment, be provided with for applying to move to make circumferential position limiting structure move towards block displacement towards the direction near rotating shaft 5 towards intermediate transmission bar 2 can be controlled during active force away from rotating shaft movement with moveable hinge contact 7 to intermediate transmission bar 2 at clutch end 1 between clutch end 1 and moveable hinge contact 7, axial limit structure is towards unlocking the dynamic emergent unlocking structure of displacement, emergent unlocking structure comprises the trundle 1-1 along described the extended line movable elongated hole 2-1 extended and the described movable elongated hole 2-1 guiding activity assembling be installed on clutch end 1 that described intermediate transmission bar is provided with, movable elongated hole 2-1 has towards the near-end of described moveable hinge contact 7 and the far-end away from described moveable hinge contact 7, be provided with between described clutch end 1 and moveable hinge contact 7 and apply to force intermediate transmission bar 2 distally mobile with the extension spring 3 making trundle 1-1 move to movable elongated hole 2-1 near-end to intermediate transmission bar 2.
During use, under the effect of extension spring 3, intermediate transmission bar 2 will move towards clutch end 1, now, trundle 1-1 moves to the near-end of movable elongated hole 2-1, and under not having external force to overcome the prerequisite of extension spring active force, clutch end 1 and intermediate transmission bar 2 are in fixing assembling of assembling.
As shown in Figure 2, when driving link 10 lifts, clutch end 1 moves by intermediate transmission bar 2 to the direction away from rotating shaft with moveable hinge contact 7, two first connecting rod 4-3 in two cover planar linkage structures a little 6 rotate in opposite directions around being fixedly hinged respectively, the angle of two first connecting rods reduces, the grafting auxiliary section as axial limit structure on two first connecting rod 4-3 moves to locking position to coordinate with the annular spacing groove 5-2 grafting in rotating shaft 5, realizes the limitation locking of countershaft 5 in rotating shaft axial freedom.Now, because moveable hinge contact 7 moves towards the direction away from rotating shaft 5, the block bar 4-1 as circumference position limiting structure being installed in moveable hinge contact 7 place together moves towards the displacement of dodging away from rotating shaft 5 with moveable hinge contact 7, realize the unblock of countershaft 5 on circumferential rotational freedom, avoid the normal rotation affecting rotating shaft 5.Further, due to the indent arcuate structure on the grafting auxiliary section on two first connecting rods, insert grafting auxiliary section in annular spacing groove and also can not the normal rotation of countershaft 5 impact.
As shown in Figure 3, when driving link 10 falls, clutch end moves by intermediate transmission bar 2 to the direction near rotating shaft 5 with moveable hinge contact 7, now, block bar 4-1 as circumferential position limiting structure will move to block displacement along with moveable hinge contact 7, now, under the effect of planar linkage structure, two first connecting rod 4-3 are by respectively around a little 6 opposing movements that are fixedly hinged, the angle of two first connecting rods diminishes, the grafting auxiliary section as axial limit structure on two first connecting rods moves to be separated with the annular spacing groove of rotating shaft 5 by the unblock displacement away from rotating shaft 5, remove the locking of countershaft 5 in axial freedom spacing., owing to moving to the block position near rotating shaft as the block bar 4-1 of circumferential position limiting structure, can coordinate with the boss 5-1 block as stop section in rotating shaft 5 at block position place so meanwhile, thus can in rotating shaft circumference countershaft to carry out locking spacing.
And when driving link 10 is lifted, and when making clutch end 1 apply the active force away from rotating shaft 5 to intermediate transmission bar 2, under normal circumstances, the axial limit structure on two first connecting rods is usually located at the locking position place with the annular spacing groove inserting in rotating shaft 5, and rotating shaft 5 is limited in the axial direction.If really need countershaft 5 in axial freedom during emergency release, when ensureing driving link and clutch end 1 invariant position, directly or indirectly can act on intermediate transmission bar 2 by external force, under the prerequisite of active force overcoming extension spring 3, order about intermediate transmission bar 2 connection activity elongated hole 2-1 to move down, trundle 1-1 will move to the far-end of movable elongated hole 2-1, intermediate transmission bar 2 moves with moveable hinge contact 7 towards the direction near rotating shaft 5, angle between two first connecting rod 4-3 becomes large, grafting relation will be removed with annular spacing groove 5-2 in the grafting auxiliary section as axial limit structure on two first connecting rods, realize the emergency release of countershaft 5 in axial freedom.
In above-described embodiment, extension spring is arranged between clutch end and moveable hinge contact, in other embodiments, because be movably hinged point location to be assemblied on intermediate transmission bar and together to move with intermediate transmission bar, the two ends of extension spring also can be separately positioned on clutch end and intermediate transmission bar, as long as extension spring can be made to apply to force intermediate transmission bar with the active force of moveable hinge contact to the direction movement away from rotating shaft to intermediate transmission bar, namely ensure that the normal of emergent unlocking structure works.
In above-described embodiment, intermediate transmission bar is driven to move back and forth along the rectilinear direction away from rotating shaft-close rotating shaft with moveable hinge contact by the clutch end of the shaft-like driving link rotated, in other embodiments, also can directly adopt direct acting part to control the action of intermediate transmission bar as required, now, clutch end linearly moves back and forth.
In above-described embodiment, circumference position limiting structure adopts block bar, in other embodiments, also the structure of block projection can be adopted, as long as what can realize being provided with rotating shaft radially outward extendingly coordinates as the boss of stop section or the block of pin, also can design and produce according to specific needs its concrete structure.
In above-described embodiment, axial limit structure is directly wholely set on first connecting rod, in other embodiments, also can be installed on first connecting rod by connected mode splits such as welding or bolt connections, as long as can move back and forth to conciliate between lock-bit in locking position with first connecting rod is together mobile.
In above-described embodiment, axial limit structure is arranged on first connecting rod, in other embodiments, also axial limit structure can be located on two second connecting rods or be arranged on the hinged place in opposite directions of two connecting rods of same plane bar linkage structure.
In above-described embodiment, axial limit structure is arranged on first connecting rod, in other embodiments, also circumferential position limiting structure can be arranged on first connecting rod, and axial limit structure be arranged on moveable hinge contact place.
In above-described embodiment, by moveable hinge contact, be fixedly hinged a little and planar linkage structure that two connecting rods of bridge joint between two pin joints are formed and the action of slide crank block structured comparatively similar, namely along with moveable hinge contact is along near rotating shaft-when moving back and forth away from the rectilinear direction of rotating shaft, can control two connecting rods near or away from rotating shaft.In other embodiments, also can control moveable hinge contact along direction of curve near rotating shaft-move away from the direction of rotating shaft, just its design is comparatively loaded down with trivial details, difficult.
In above-described embodiment, the movable elongated hole that the rectilinear direction along the movement of moveable hinge contact extends is arranged on intermediate transmission bar, in other embodiments, also can be arranged on clutch end, now trundle can be installed on intermediate transmission bar.
In above-described embodiment, by planar linkage structure realize circumferential position limiting structure near rotating shaft time axial limit structure away from rotating shaft, at circumferential position limiting structure away from the specific activity state of axial limit structure during rotating shaft near rotating shaft, in other embodiments, also some the special action state that hinge mounted swing rod structure realizes circumferential position limiting structure and axial limit structure can be located by the jointed shaft arranged with shaft parallel being fixedly hinged, the bent rod section that this swing rod structure has the mobile jib section for being arranged in rotating shaft side and extends towards the bending of rotating shaft opposite side, bent rod section has and extends to rotating shaft opposite side to be in the mounting rod section of the relative both sides of rotating shaft with described mobile jib section, when mobile jib section is near rotating shaft, mounting rod section will away from rotating shaft, and in mounting rod section in rotating shaft, mobile jib section will away from rotating shaft, now, one of them in axial limit structure and circumferential position limiting structure is only needed to be installed in described mobile jib section, another is installed in described mounting rod section, the specific activity state of axial limit structure and circumferential position limiting structure can be realized.Above-mentioned swing rod structure can be an arc pendulum rod or hinged the formed swing rod structure of two straight forks.
And above-mentioned rotating shaft stopping means being applied on appliance switch with when to carry out on circumferential and axial to driving handle spacing, when driving handle is in insertion with when extracting, axial limit structure is in solution lock-bit, can not impact the movement in the axial direction of the rotating shaft on driving handle, ensure the normal insertion of driving handle, simultaneously, circumference position limiting structure is in block position, can coordinate to avoid rotating shaft in the additional effect inserted or rotation in withdrawal process causes with the corresponding stop section block in rotating shaft, and when driving handle rotates to apply rotating torque to the operating mechanism of electric switch, circumference position limiting structure is dodged position impact being in avoid the normal rotation of countershaft, now, axial limit structure will be in locking position, countershaft movement is in the axial direction carried out spacing, rotating shaft is avoided to occur moving axially and causing accident in rotation process.
Rotating shaft stopping means in above-described embodiment can be applied in electric switch field, spacing with what carry out in two degrees of freedom to the driving handle in manual operation mechanism, also can be applied in other according to actual needs needs countershaft to carry out the spacing place of axial and circumferential.
Claims (7)
1. rotating shaft stopping means, it is characterized in that: comprise for be arranged in rotating shaft side be fixedly hinged a little and respectively with the movable axial limit structure that assembles and the circumferential position limiting structure of being fixedly hinged, axial limit structure be used for the corresponding Plug Division grafting of rotating shaft with rotating shaft axially countershaft carry out spacing, circumference position limiting structure carries out spacing for coordinating with the corresponding stop section block of rotating shaft with the rotational travel of countershaft in rotating shaft circumference, axial limit structure have on its active strokes near rotating shaft with the locking position of the corresponding Plug Division grafting with rotating shaft and for away from rotating shaft with the solution lock-bit departed from the corresponding Plug Division of rotating shaft, circumference position limiting structure have on its active strokes near rotating shaft with the block position coordinated with the corresponding stop section block of rotating shaft with for dodging position away from rotating shaft with what dodge the corresponding stop section of rotating shaft, circumference position limiting structure and axial limit structure dodge position by the wherein a kind of assembling in following two kinds of modes to make the circumference position limiting structure when axial limit structure is in locking position be in, when axial limit structure is in solution lock-bit, circumference position limiting structure is in block position,
(1) be fixedly hinged described in and a little have swing rod structure by the jointed shaft hinge mounted of arranging with shaft parallel, the bent rod section that swing rod structure has the mobile jib section for being arranged in rotating shaft side and extends towards the bending of rotating shaft opposite side, bent rod section has and extends to rotating shaft opposite side to be in the mounting rod section of the relative both sides of rotating shaft with described mobile jib section, and one of them in described axial limit structure and circumferential position limiting structure is installed in described mobile jib section, another is installed in described mounting rod section;
(2) the rotating shaft stopping means described in also comprises and to be a little oppositely arranged and along the moveable hinge contact near rotating shaft-move back and forth away from the direction of rotating shaft with described being fixedly hinged, moveable hinge contact and between being fixedly hinged some bridge joint have two connecting rods, the hinge mounted of end in opposite directions of two connecting rods together, opposing end respectively with moveable hinge contact and the point articulated assembling that is fixedly hinged to make to be fixedly hinged a little, moveable hinge contact and two connecting rods form planar linkage structure, one of them in described axial limit structure and circumferential position limiting structure is with described moveable hinge contact synchronizing moving, another is then with the hinged place synchronizing moving that one of them in described two connecting rods or two connecting rods are held in opposite directions.
2. rotating shaft stopping means according to claim 1, it is characterized in that: described rotating shaft stopping means comprises and a described described moveable hinge contact forming described planar linkage structure that is fixedly hinged, described moveable hinge contact linearly leads and moves back and forth, described in be fixedly hinged a little be positioned at through moveable hinge contact and along moveable hinge contact moving direction extend extended line on.
3. rotating shaft stopping means according to claim 2, it is characterized in that: described extended line is for the crossing center line of the center rotating axis with described rotating shaft, described planar linkage structure has been arranged symmetrically with two covers about described center line, and two cover planar linkage structures share described being fixedly hinged a little and moveable hinge contact.
4. the rotating shaft stopping means according to Claims 2 or 3, it is characterized in that: described rotating shaft stopping means also comprises the active drive structure for driving moveable hinge contact to move back and forth, active drive structure comprises clutch end, clutch end drives moveable hinge contact linearly to lead by intermediate transmission bar and moves back and forth, intermediate transmission bar extends along the bearing of trend of described extended line, and described in be movably hinged point location and be assemblied on described intermediate transmission bar with intermediate transmission bar synchronization action.
5. rotating shaft stopping means according to claim 4, it is characterized in that: described bridge joint is being fixedly hinged a little and in two connecting rods between moveable hinge contact is being first connecting rod with the point articulated connecting rod that is fixedly hinged, be second connecting rod with being movably hinged point articulated connecting rod, described circumferential position limiting structure is installed in moveable hinge contact place, and described axial limit structure is installed on first connecting rod or second connecting rod.
6. rotating shaft stopping means according to claim 5, it is characterized in that: be provided with for applying to move to make circumferential position limiting structure move towards block displacement towards the direction near rotating shaft towards intermediate transmission bar can be controlled during active force away from rotating shaft movement with moveable hinge contact to intermediate transmission bar at clutch end between described clutch end and intermediate transmission bar or moveable hinge contact, axial limit structure is towards unlocking the dynamic emergent unlocking structure of displacement, emergent unlocking structure comprises one of them movable elongated hole extended along described extended line be provided with of described clutch end and intermediate transmission bar, another is installed with the trundle assembled with the activity of described movable elongated hole guiding, movable elongated hole has towards the near-end of described moveable hinge contact and the far-end away from described moveable hinge contact, be provided with between described clutch end and intermediate transmission bar or moveable hinge contact and apply to force intermediate transmission bar distally mobile with the extension spring making trundle move to movable elongated hole near-end to intermediate transmission bar.
7. rotating shaft stopping means according to claim 5, is characterized in that: described circumferential position limiting structure is the block bar for coordinating with the corresponding stop section block that rotating shaft is convexly equipped with coaxially being fixedly arranged on described moveable hinge contact place; Described axial limit structure is the grafting auxiliary section for coordinating with the corresponding Plug Division grafting in rotating shaft be installed on described first connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420729119.8U CN204632690U (en) | 2014-11-28 | 2014-11-28 | Rotating shaft stopping means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420729119.8U CN204632690U (en) | 2014-11-28 | 2014-11-28 | Rotating shaft stopping means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204632690U true CN204632690U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420729119.8U Withdrawn - After Issue CN204632690U (en) | 2014-11-28 | 2014-11-28 | Rotating shaft stopping means |
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| CN (1) | CN204632690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517782A (en) * | 2014-11-28 | 2015-04-15 | 许继集团有限公司 | Rotary shaft limit device |
-
2014
- 2014-11-28 CN CN201420729119.8U patent/CN204632690U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517782A (en) * | 2014-11-28 | 2015-04-15 | 许继集团有限公司 | Rotary shaft limit device |
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Granted publication date: 20150909 Effective date of abandoning: 20170829 |
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