CN104676203B - Lifting type foot margin - Google Patents
Lifting type foot margin Download PDFInfo
- Publication number
- CN104676203B CN104676203B CN201510069382.8A CN201510069382A CN104676203B CN 104676203 B CN104676203 B CN 104676203B CN 201510069382 A CN201510069382 A CN 201510069382A CN 104676203 B CN104676203 B CN 104676203B
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- China
- Prior art keywords
- shifting block
- motion bar
- movable rod
- push
- lower margin
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Abstract
The invention discloses a lifting type foot margin, which comprises a trigger spindle, a movable rod and a foot cup, wherein a shifting block radially extends out of the trigger spindle; the movable rod is arranged below the shifting block; the foot cup is fixedly connected to the lower end of the movable rod; the shifting block pushes the movable rod to downwards move to lower the foot cup to the ground, and then, a bearing object is supported. According to the lifting type foot margin, the shifting block rotates around the triggering spindle, the movable rod and the foot cup are pushed to downwards extend or retract to support or put down the bearing object, so that a machine is fixed on a certain position to be stationary or the trundles of the bearing object land to move. Since the lifting type foot margin contacts with the ground through the foot cup, the lifting type foot margin has a large contact area with the ground, the bearing object can be stably positioned on the ground to bring a good position precision. A push rod motor is used for driving, and artificial lifting is not required so as to achieve a purpose that the lifting type foot margin is easy to operate and use.
Description
Technical field
The present invention relates to a kind of support meanss, more particularly to a kind of lift lower margin.
Background technology
The brake gear of traditional machine is all installed on the castor with brake gear, when machine need be fixed on certain
When place is motionless, the brake knob of castor is stepped on pin, buckle is clasped the rotor of castor, so as to realize that castor can not turn
Dynamic, machine can just be fixed on certain position.When brake knob is stepped on again, buckle is separated with castor rotor, and castor can
To rotate, it is possible to promote machine by castor.So as to reach the effect that machine is fixed on certain position or promotion.
And use the castor with brake gear to there is following some deficiency at present：
1st, fixed effect is not strong：Only it is fixed with ground with castor, contact area is small, and is limited by the intensity of castor,
Therefore fixed performance is weaker；
2nd, limited by space：Castor is generally seated in machine bottom and is the position of stress, it is difficult to for user provides sky
Between touch on the brake knob；
3rd, applicability is not strong：The general good castor buckle of braking quality is all made and relatively tightly just can stop tightly, while pin is stepped on
Knob is all relatively elaborate, and not all people has so big strength.
The content of the invention
For technical problem present in prior art, the purpose of the present invention is：There is provided that a kind of fixed performance is good, applicability
By force, easily controllable and simple structure lift lower margin.
The purpose of the present invention is achieved through the following technical solutions：A kind of lift lower margin, including triggering rotating shaft, motion bar with
And pin cup, shifting block has been extended radially out in the triggering rotating shaft, the motion bar is arranged at shifting block lower section, and pin cup is fixedly connected on work
The lower end of lever, shifting block by promote motion bar move down by pin cup drop to ground after by carrier support rise.
Preferably, movable rod and push-rod electric machine are additionally provided with, movable rod one end is fixedly connected on the triggering and turns
On axle, the other end of the push-rod electric machine driving movable rod makes the triggering axis of rotation.
Preferably, the lift lower margin is at least two, is separately positioned on the bottom of carrier, is additionally provided with linkage
Axle, the universal driving shaft is driven by the push-rod electric machine, and the universal driving shaft is connected with the movable rod of each lift lower margin.
Preferably, the connecting rod of horizontally set is connected with the push rod of the push-rod electric machine, the movable rod is two
It is hingedly connected on the two ends of the connecting rod.
Preferably, the motion bar top is fixedly installed reinforcement pad, and the reinforcement pad is located at the lower section of shifting block.
Preferably, there is set hole also including the fixed mount being fixed on carrier, on fixed mount, the set borehole jack is connected to work
In lever.
Preferably, back-moving spring is arranged with the motion bar, the back-moving spring is located at reinforcement pad and the fixation
Between frame.
Preferably, spring-compressed stroke reception hole is offered on the fixed mount, the set hole is arranged at the spring pressure
In indention journey reception hole, described back-moving spring one end is connected to spring-compressed stroke reception hole bottom, the other end and reinforcement pad
Connection.
Preferably, the fixed mount includes main frame and the bottom external member being fixed on the main frame, the main frame
On offer wealthy hole, counterbore is offered in the bottom external member, the wealthy hole is connected to form the spring-compressed stroke with counterbore
Reception hole.
Preferably, the shifting block stir termination be set to it is with rounded corners stir termination or termination will be stirred be arranged to ball
Head.
The present invention has the following advantages and effect relative to prior art：
1st, the present invention promotes motion bar and pin cup to extend downwardly from or pack up by shifting block around triggering axis of rotation, will carry
Thing (equipment) support rises or puts down so that machine to be fixed on certain position motionless or make the castor of carrier land to be moved
Move, due to being touched by pin cup and ground, therefore there can be the contact area larger with ground, stable can determine carrier
It rest on the ground, with good positional precision；It is driven by means of push-rod electric machine, therefore without hand lifting/lowering, so as to reach
To purpose that is easily operated and using, and it is applicable in heavier equipment, therefore strong applicability；Meanwhile, push-rod electric machine also has
There is the swift feature of start and stop, can be applied to strive for emergency time on Medical Devices, more good therapeutic effect can be reached；By
In simple structure of the present invention, therefore accumulated error is reduced, make its reliability high, service life increases, while also making to be manufactured into
Originally substantially reduce.
2nd, the present invention can be used for greatly, neutralize small machines on, be particularly well-suited to stationarity and stability requirement machine higher
On device, therefore highly versatile of the present invention.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the structural representation of motion bar of the invention and pin cup when packing up.
Structural representation when Fig. 3 is motion bar in Fig. 2 and pin cup stretches out.
Fig. 4 is schematic perspective view of the invention.
Fig. 5 is a lateral schematic diagram of Fig. 4.
Fig. 6 is structural representation of motion bar and the pin cup of Fig. 5 when packing up.
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited
In this.
Embodiment one：
A kind of lift lower margin, including triggering rotating shaft 1, motion bar 2 and pin cup 3, extend radially out in the triggering rotating shaft 1
There is shifting block 4, the motion bar 2 is arranged at the lower section of shifting block 4, and pin cup 3 is fixedly connected on the lower end of motion bar 2, and shifting block 4 is by promoting
Motion bar 2 is moved down after pin cup 3 is dropped into ground and plays carrier support, and corner location is arranged on round by the shifting block 4
Termination is stirred into rounded corners, additionally the termination of stirring of shifting block 4 can be arranged to bulb, can enable that shifting block 4 is smooth to be pushed away
Dynamic motion bar 2 and pin cup 3, it is to avoid produce impact.
Preferably, movable rod 5 and push-rod electric machine 6 are additionally provided with, the one end of movable rod 5 is fixedly connected on the triggering
In rotating shaft 1, the other end of the driving movable rod 5 of the push-rod electric machine 6 rotates the triggering rotating shaft 1.Trigger one end of rotating shaft 1
Or two ends are rotatably attached on carrier, push-rod electric machine 6 drives triggering rotating shaft 1 by motion bar 2, makes the push-rod electric machine 6 can
Horizontally set, reduces height of the invention, to facilitate the present invention to be arranged at the bottom of carrier；By pushing away push-rod electric machine 6
Power changes into the rotation of triggering rotating shaft 1, therefore, rotate easily triggering rotating shaft 1, touched compared to using motor direct-drive
Hair rotating shaft 1 is rotated, it is necessary to can just be released motion bar 2 and pin cup 3 with the motor with larger torsion, the motor of big torsion
Volume also tends to, than larger, not be suitable in the present invention.Preferably, the push rod of the push-rod electric machine 6 mutually cuts with scissors with movable rod 5
Connect.Triggering rotating shaft 1 is set to produce rotation by the push rod of the transverse shifting of push-rod electric machine 6, so that shifting block 4 produces the clockwise or inverse time
The swing of pin.
Preferably, when the lift lower margin is that two or more is used simultaneously, each lift lower margin is separately positioned on and holds
The bottom of loading, additionally, the present invention is additionally provided with universal driving shaft 14, the universal driving shaft 14 is driven by the push-rod electric machine 6, described
Moving axis 14 is connected with the movable rod 5 of each lift lower margin, drives each triggering rotating shaft 1 to rotate by using gangbar 14, can
The quantity of push-rod electric machine 6 is reduced, the design for needing to control each push-rod electric machine 6 to start simultaneously using complicated circuit is also eliminated,
Simplify structure of the invention and reduce manufacturing cost, while also ensure that each triggering rotating shaft 1 is synchronous driving.
Preferably, the connecting rod 7 of horizontally set is connected with the push rod of the push-rod electric machine 6, the movable rod 5 is two
It is individual to be hingedly connected on the two ends of the connecting rod 7.Two movable rods 5 of driving rotate triggering rotating shaft 1 to connecting rod 7 simultaneously,
Reaching push-rod electric machine 6 can steadily export power, it is to avoid the unbalanced phenomenon of thrust occur and occur, meanwhile, realize it is double dynamical simultaneously
The power drive shifting block 4 that output makes triggering rotating shaft 1 and has abundance is swung the release of pin cup 3, is driven when using above-mentioned universal driving shaft 14 is synchronous
During dynamic scheme, the universal driving shaft 14 is connected with the connecting rod 7 of each lift lower margin, and two activities are driven by connecting rod 7
Connecting rod 5 is rotated so that respectively triggering rotating shaft 1.
Preferably, the top of the motion bar 2 is fixedly installed reinforcement pad 8, and the reinforcement pad 8 is located under shifting block 4
Side.It is furthermore preferred that also including the fixed mount 9 being fixed on carrier, there is set hole on fixed mount 9, the set borehole jack is connected to work
In lever 2.It can be seen that pad 8 of strengthening of the invention plays the area for increasing and being in contact with shifting block 4, while it is described to play limitation
Motion bar 2 and pin cup 3 stretch out stroke distances, in addition it should be noted that pad is strengthened in the termination of stirring of shifting block 4 for shifting block 4 drives
One end that one end of piece 8, i.e. shifting block 4 are in contact with reinforcement pad 8.
Preferably, back-moving spring 10 is arranged with the motion bar 2, the back-moving spring 10 is located at the reinforcement pad 8
Between fixed mount 9, when under non-working condition, i.e., when motion bar 2 and pin cup 3 are in non-protruding state, in back-moving spring 10
In the presence of, motion bar 2 and automatic rise of pin cup 3 can be made to reset, it is to avoid under non-working condition, produced because pin cup 3 does not withdraw
Life tows and causes unnecessary noise or hinder walking and the normal work of carrier.
For protection back-moving spring 10 avoids descending excessively in motion bar 2 and pin cup 3 by pressure, back-moving spring 10 damages cause can not
Realize resetting or resetting completely, it is preferred that offer spring-compressed stroke reception hole 11 on the fixed mount 9, the set hole sets
It is placed in the spring-compressed stroke reception hole 11, the one end of the back-moving spring 10 is connected to the bottom of spring-compressed stroke reception hole 11
Portion, the other end is connected with pad 8 is strengthened, and when motion bar 2 and pin cup 3 come downwards to lower limit, the back-moving spring 10 can be complete
It is retracted in spring-compressed stroke reception hole 11 without being subject to crushing；Additionally, from the above, it is seen that strengthening pad 8 also with auxiliary
Help motion bar 2 and the automatic effect for rising reset of pin cup 3.
Preferably, the spring-compressed stroke reception hole 11 can select following structure composition, and the fixed mount 9 includes
Main frame 12 and the bottom external member 13 being fixed on the main frame 12, offer wealthy hole, the bottom set on the main frame 12
Counterbore is offered on part 13, the wealthy hole is connected to form the spring-compressed stroke reception hole 11 with counterbore, using this kind of side
There is the spring-compressed stroke reception hole 11 of formula composition simple structure to also reduce the difficulty of production and manufacture simultaneously, wherein, institute
Stating bottom external member 13 can be fixedly attached on main frame 12 by screw or bolt.
Preferably, the bottom external member 13 is for plastic bottom external member or cushion pad layer is provided with the bottom surface of bottom external member 13,
It is to produce shock and between bottom external member 13 when avoiding pin cup 3 from resetting too fast using the effect of plastic bottom external member or cushion pad.
The course of work of the invention and operation principle：The carrier referred in the present invention can be by means of castor or crawler belt
Mobile equipment is realized, heavier equipment is particularly well-suited to.
Multiple lift lower margins of the invention can be respectively arranged in the bottom of carrier simultaneously, by universal driving shaft in use
It is synchronous to drive each triggering axis of rotation, shifting block is rotated clockwise around triggering rotating shaft, and by strengthen pad promote motion bar and
Pin cup is extended downwardly from, behind pin cup contact ground, because shifting block does not reach lower limit also, so pin cup continuing to press in shifting block
Under (until shifting block is vertical, i.e., shifting block reaches lower limit) carrier support is got up, make the castor of carrier or crawler belt hanging, then
By means of the gravity of carrier itself, carrier can be just fixed on ground, it is to avoid led due to too small with contact area of ground
Cause to produce the phenomenon slided to occur.
When carrier needs to move, each triggering axis of rotation is synchronously driven by universal driving shaft, make shifting block around triggering rotating shaft
Rotate counterclockwise, carrier is gradually reduced in the presence of self gravitation with the rotation of shifting block, until castor or crawler belt land
Afterwards, in the presence of back-moving spring, strengthen pad and keep being in close contact with shifting block and rise with the continuation rising of shifting block, until
Shifting block reaches upper limit.
Above-described embodiment is the present invention preferably implementation method, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from Spirit Essence of the invention and the change, modification, replacement made under principle, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (6)
1. a kind of lift lower margin, it is characterised in that：Including triggering rotating shaft, motion bar and pin cup, footpath in the triggering rotating shaft
To shifting block is extended with, the motion bar is arranged at shifting block lower section, and pin cup is fixedly connected on the lower end of motion bar, and shifting block is by promoting
Motion bar is moved down after pin cup is dropped into ground and plays carrier support；
The motion bar top is fixedly installed reinforcement pad, and the reinforcement pad is located at the lower section of shifting block；
Also include the fixed mount being fixed on carrier, there is set hole on fixed mount, the set borehole jack is connected on motion bar；
Back-moving spring is arranged with the motion bar, the back-moving spring is located between the reinforcement pad and fixed mount；
Spring-compressed stroke reception hole is offered on the fixed mount, the set hole is arranged at the spring-compressed stroke reception hole
In, described back-moving spring one end is connected to spring-compressed stroke reception hole bottom, and the other end is connected with pad is strengthened.
2. lift lower margin according to claim 1, it is characterised in that：Movable rod and push-rod electric machine are additionally provided with,
Movable rod one end is fixedly connected in the triggering rotating shaft, and it is described tactile that the push-rod electric machine drives the other end of movable rod to make
Hair axis of rotation.
3. lift lower margin according to claim 2, it is characterised in that：The lift lower margin is at least two, respectively
Be arranged on the bottom of carrier, be additionally provided with universal driving shaft, the universal driving shaft is driven by the push-rod electric machine, the universal driving shaft with it is each
The movable rod of lift lower margin is connected.
4. the lift lower margin according to Claims 2 or 3, it is characterised in that：It is connected with the push rod of the push-rod electric machine
The connecting rod of horizontally set, the movable rod is two and is hingedly connected on the two ends of the connecting rod.
5. lift lower margin according to claim 1, it is characterised in that：The fixed mount includes main frame and is fixed on
Bottom external member on the main frame, offers wealthy hole on the main frame, offer counterbore in the bottom external member, the wealthy hole with
Counterbore is connected to form the spring-compressed stroke reception hole.
6. lift lower margin according to claim 1, it is characterised in that：The termination of stirring of the shifting block is set to band fillet
Stir termination or termination will be stirred and be arranged to bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510069382.8A CN104676203B (en) | 2015-02-09 | 2015-02-09 | Lifting type foot margin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510069382.8A CN104676203B (en) | 2015-02-09 | 2015-02-09 | Lifting type foot margin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104676203A CN104676203A (en) | 2015-06-03 |
| CN104676203B true CN104676203B (en) | 2017-05-24 |
Family
ID=53311619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510069382.8A Active CN104676203B (en) | 2015-02-09 | 2015-02-09 | Lifting type foot margin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104676203B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956958A (en) * | 2017-12-27 | 2018-04-24 | 贵州大学 | A kind of engineering machinery support device |
| CN111022855B (en) * | 2019-12-19 | 2021-07-02 | 广东博智林机器人有限公司 | Lower margin supporting mechanism and beat and glue robot |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8047498B1 (en) * | 2010-07-19 | 2011-11-01 | Marcus Karty | Support stand device for rebar bender |
| CN202105139U (en) * | 2011-03-15 | 2012-01-11 | 李昭中 | Combined overlapped operating table with height capable of being synchronously adjusted |
| CN203117606U (en) * | 2013-04-01 | 2013-08-07 | 莆田市嘉辉光电有限公司 | Press-fixing oven for manufacturing liquid crystal display (LCD) |
| CN203332831U (en) * | 2013-05-30 | 2013-12-11 | 广东汇利兴精工科技有限公司 | Liftable, movable and adjustable small belt line |
| CN204123072U (en) * | 2014-07-25 | 2015-01-28 | 广州市井源机电设备有限公司 | A kind of engine assembly equipment |
| CN204512825U (en) * | 2015-02-09 | 2015-07-29 | 广州龙之杰科技有限公司 | A kind of rise-fall type lower margin |
-
2015
- 2015-02-09 CN CN201510069382.8A patent/CN104676203B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104676203A (en) | 2015-06-03 |
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Inventor after: Zhang Xiaofang Inventor after: Luo Risen Inventor before: Luo Risen |