CN206878632U - A kind of push rod emergency hand(-)drive - Google Patents
A kind of push rod emergency hand(-)drive Download PDFInfo
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- CN206878632U CN206878632U CN201720558604.7U CN201720558604U CN206878632U CN 206878632 U CN206878632 U CN 206878632U CN 201720558604 U CN201720558604 U CN 201720558604U CN 206878632 U CN206878632 U CN 206878632U
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- piston rod
- drive
- push rod
- gear
- end connector
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Abstract
It the utility model is related to a kind of push rod emergency hand(-)drive, including tail end connector, motor sleeve pipe, adapter sleeve, piston rod bush, piston rod, emergency hand(-)drive and front end connector, piston rod bush is on piston rod, tail end connector, motor sleeve pipe, adapter sleeve and piston rod bush are sequentially connected, and emergency hand(-)drive is located between piston rod and front end connector.The utility model is under manual mode, the housing rotatable handle for directly operating ring-type without outside any instrument realizes push rod emergency operation, planetary gear portion in hand-operating device is acted on by deceleration increment, effectively reduce the torque for needing manpower to apply, and labor-saving effect from planetary gearsets number of gear teeth by being determined, the present apparatus only needs manpower to apply 1/3rd of push rod operation torque, not only reduce the burden of manual operation, and it is applied to heavy load condition, improve the operability of device.
Description
Technical field
It the utility model is related to electric pushrod technical field, more particularly to a kind of push rod emergency hand(-)drive.
Background technology
Electric pushrod device is widely used in life now, more and more general in fields such as windowing, medical bed, electric wheelchairs
And.General electric pushrod is all electric drive motor, and by actuating unit, such as screw mandrel, worm and gear transfers power to
Piston rod, realize the piston movement of electric actuation.When there is emergency case, such as extraneous power-off or push rod motor internal extremely can not works
Make, because the situation is critical, it is desirable to be able to it is manually operated that push rod device is discharged, so that piston rod is retracted or stretched out.
Simultaneously according to different use environments and load, there is high operability and behaviour to push rod hand gear under instrument limited situation
Make convenience requirement.
Based on above-mentioned requirements, a kind of electronic, dual-use manual type is provided in patent (application number 201520326385.0)
Push rod, it is convenient to switch under electronic and manual both of which, meet under powering-off state to the requirement of push rod.However, push rod
Device needs artificial unloading's push rod tail cover in electronic switching manual processes, and uses matched handle, there is shank tool limit
System, is unfavorable for fast reaction under emergency case, reduces push rod emergency operation and convenience.Meanwhile this kind has manual work(concurrently
The push rod of energy is difficult to be used in linear pattern push rod.
A kind of release device of electric pushrod is provided in patent (application number 201310189921.2), is pulled by user
The turning component of dynamic release device, turning component is set to depart from ratchet clamping part to drive the clutch collar to rotate via thrusting action, so as to
Driving and the affixed linking sleeve of piston rod, drive nut to be rotated in sleeve pipe, produce axial displacement.In device be connected sleeve and
Fixes sleeve is affixed with piston rod and front end connector respectively, limits circumferentially opposed rotation by friction plate between the two, so only
It can be played a role in push rod single load bearing, and need manpower to provide larger torque when external loading is larger, be unfavorable for hand
Work operates.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of push rod emergency hand(-)drive, to solve in the prior art
Deficiency.
In order to achieve the above object, the purpose of this utility model is achieved through the following technical solutions：
A kind of push rod emergency hand(-)drive, including tail end connector, motor sleeve pipe, adapter sleeve, piston rod bush, work are provided
Stopper rod, emergency hand(-)drive and front end connector, the piston rod bush are located on the piston rod, the tail end connector,
The motor sleeve pipe, the adapter sleeve and the piston rod bush are sequentially connected, and the emergency hand(-)drive is located at the piston
Between bar and the front end connector；The emergency hand(-)drive include piston rod connecting portion, ring gear, planetary gear, centre wheel,
Planet carrier, central principal axis and handle, described piston rod connecting portion one end is provided with gear ring holding tank, for housing the ring gear,
The planet carrier supports three planetary gears, and back-moving spring is provided between the planet carrier and the centre wheel, described multiple
Position spring top clamping described in planet carrier, described central principal axis one end sequentially pass through the planetary gear, the back-moving spring and it is described in
The front end connector is connected after heart wheel, the other end is provided with the circlip groove for being used for installing locating snap ring, and the central principal axis connects institute
The one end for stating front end connector is provided with First terrace, and the handle is provided with locking surface, described in the First terrace coordinates
Locking surface realizes hand gear self-locking, and second step face is machined with the axle body of the central principal axis, to be used as the centre wheel
Axial locating surface.
Above-mentioned push rod emergency hand(-)drive, wherein, the section of the First terrace and the section of the locking surface are
Hexagon.
Above-mentioned push rod emergency hand(-)drive, wherein, described piston rod connecting portion one end is provided with external screw thread, for connecting work
Stopper rod, the ring gear have gear ring internal tooth, and the ring gear outer surface has groove, the gear ring holding tank inner surface setting
Projection, to coordinate the groove of the ring gear outer surface, for the ring gear axially position and with the gear ring internal tooth and institute
State centre wheel engagement.
Above-mentioned push rod emergency hand(-)drive, wherein, described planet carrier one end is provided with plum blossom-shaped flange, to be used as the hand
Stress surface when handle rotates.
Compared with the prior art, the beneficial effects of the utility model are：
Under manual mode, the housing rotatable handle for directly operating ring-type without outside any instrument realizes the emergent behaviour of push rod
To make, the planetary gear portion in hand-operating device is acted on by deceleration increment, effectively reduces the torque for needing manpower to apply, and
And labor-saving effect, by being determined from planetary gearsets number of gear teeth, the present apparatus only needs three points of manpower application push rod operation torque
One of, the burden of manual operation is not only reduced, and it is applied to heavy load condition, improve the operability of device.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 shows the structural representation of the utility model push rod emergency hand(-)drive；
Fig. 2 shows the explosive view of the emergency hand(-)drive of the utility model push rod emergency hand(-)drive.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
With reference to shown in figure 1 and Fig. 2, the utility model push rod emergency hand(-)drive includes tail end connector 11, motor sleeve pipe
12nd, adapter sleeve 13, piston rod bush 14, piston rod 15, emergency hand(-)drive 17 and front end connector 16, piston rod bush 14 are set
In on piston rod 15, tail end connector 11, motor sleeve pipe 12, adapter sleeve 13 and piston rod bush 14 are sequentially connected, and are met an urgent need manual
Device 17 is located between piston rod 15 and front end connector 16.Emergency hand(-)drive 17 includes piston rod connecting portion 21, ring gear
22nd, planetary gear 23, centre wheel 24, planet carrier 26, central principal axis 27 and handle 28, the one end of piston rod connecting portion 21 hold provided with gear ring
Receive groove, for housing ring gear 22, planet carrier 26 supports three planetary gears 23, is provided between planet carrier 26 and centre wheel 24 multiple
Position spring 25, back-moving spring 25 hold out against planet carrier 26, the one end of central principal axis 27 sequentially pass through planetary gear 23, back-moving spring 25 and in
Front end connector 16 is connected after heart wheel 24, the other end is provided with the circlip groove 271 for being used for installing locating snap ring, before central principal axis 27 connects
One end of end connector 16 is provided with First terrace 273, and handle 28 is provided with locking surface 281, and First terrace 273 coordinates locking
Hand gear self-locking is realized in face 281, and second step face 272 is machined with the axle body of central principal axis 27, to be used as centre wheel 24
Axial locating surface.In the technical program, the section of the First terrace 273 and the section of locking surface 281 are hexagon, living
The one end of stopper rod connecting portion 21 is provided with external screw thread 211, and for connecting piston rod 15, ring gear 22 has gear ring internal tooth 221, internal tooth
Enclosing 22 outer surfaces has groove 222, gear ring holding tank inner surface setting projection 212, to coordinate the groove of the outer surface of ring gear 22
222, engaged for the axially position of ring gear 22 and with gear ring internal tooth 221 and centre wheel 24.The one end of planet carrier 26 is provided with plum blossom
Shape flange 261, stress surface during being rotated as handle 28.
When, which such as there is powering off at the emergency case, in external environment needs manually operated push rod release, the band of handle 28 of leaving behind vertically
The dynamic compression reseting spring of planet carrier 26 that can do axial inching, depart from hexagonal locking surface chimeric so as to rotational handle 28.
Rotational handle 28 drives planet carrier 26 and planetary gear 23 to rotate, then can band because centre wheel 23 and central principal axis 27 can not rotate
Moving teeth circle 22 rotates, so that piston rod connecting portion 21 and piston rod 15 rotate, drives piston rod top nut, passes through spiral
Transmission principle produces axial displacement via rotary motion, realizes the manually operated stretching of push rod or retraction.Device is simple to operate, greatly
Manpower is saved greatly, is particularly suitable for emergent manually operated in the case of relatively large load.
From above-described embodiment as can be seen that advantage of the present utility model is：
Under manual mode, the housing rotatable handle for directly operating ring-type without outside any instrument realizes the emergent behaviour of push rod
To make, the planetary gear portion in hand-operating device is acted on by deceleration increment, effectively reduces the torque for needing manpower to apply, and
And labor-saving effect, by being determined from planetary gearsets number of gear teeth, the present apparatus only needs three points of manpower application push rod operation torque
One of, the burden of manual operation is not only reduced, and it is applied to heavy load condition, improve the operability of device.
Specific embodiment of the utility model is described in detail above, but the utility model is not restricted to the above
The specific embodiment of description, it is intended only as example.To those skilled in the art, any equivalent modifications and substitute also all
Among category of the present utility model.Therefore, the impartial conversion made in the case where not departing from spirit and scope of the present utility model
And modification, it should all cover in the scope of the utility model.
Claims (4)
1. a kind of push rod emergency hand(-)drive, it is characterised in that including tail end connector, motor sleeve pipe, adapter sleeve, piston rod set
Pipe, piston rod, emergency hand(-)drive and front end connector, on the piston rod, the tail end connects the piston rod bush
Joint, the motor sleeve pipe, the adapter sleeve and the piston rod bush are sequentially connected, and the emergency hand(-)drive is located at described
Between piston rod and the front end connector；The emergency hand(-)drive include piston rod connecting portion, ring gear, planetary gear, in
Heart wheel, planet carrier, central principal axis and handle, described piston rod connecting portion one end are provided with gear ring holding tank, for housing in described
Gear ring, the planet carrier support three planetary gears, back-moving spring, institute are provided between the planet carrier and the centre wheel
State back-moving spring and hold out against the planet carrier, described central principal axis one end sequentially passes through the planetary gear, the back-moving spring and institute
The front end connector is connected after stating centre wheel, the other end is provided with the circlip groove for being used for installing locating snap ring, and the central principal axis connects
The one end for connecing the front end connector is provided with First terrace, and the handle is provided with locking surface, and the First terrace coordinates
The locking surface realizes hand gear self-locking, and second step face is machined with the axle body of the central principal axis, using as in described
The axial locating surface of heart wheel.
2. push rod emergency hand(-)drive as claimed in claim 1, it is characterised in that the section of the First terrace and the lock
Only the section in face is hexagon.
3. push rod emergency hand(-)drive as claimed in claim 1, it is characterised in that described piston rod connecting portion one end is provided with outer
Screw thread, for connecting piston rod, the ring gear has gear ring internal tooth, and the ring gear outer surface has groove, the gear ring
Holding tank inner surface setting is raised, to coordinate the groove of the ring gear outer surface, for the ring gear axially position and with
The gear ring internal tooth and centre wheel engagement.
4. push rod emergency hand(-)drive as claimed in claim 1, it is characterised in that it is convex that described planet carrier one end is provided with plum blossom-shaped
Edge, stress surface during being rotated as the handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558604.7U CN206878632U (en) | 2017-05-19 | 2017-05-19 | A kind of push rod emergency hand(-)drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558604.7U CN206878632U (en) | 2017-05-19 | 2017-05-19 | A kind of push rod emergency hand(-)drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206878632U true CN206878632U (en) | 2018-01-12 |
Family
ID=61340383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720558604.7U Active CN206878632U (en) | 2017-05-19 | 2017-05-19 | A kind of push rod emergency hand(-)drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206878632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817501A (en) * | 2020-07-13 | 2020-10-23 | 大连恒昇机械有限公司 | Vertical driving push rod |
-
2017
- 2017-05-19 CN CN201720558604.7U patent/CN206878632U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817501A (en) * | 2020-07-13 | 2020-10-23 | 大连恒昇机械有限公司 | Vertical driving push rod |
| CN111817501B (en) * | 2020-07-13 | 2023-08-18 | 大连恒昇机械有限公司 | Vertical driving push rod |
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