CN204512825U - A kind of rise-fall type lower margin - Google Patents
A kind of rise-fall type lower margin Download PDFInfo
- Publication number
- CN204512825U CN204512825U CN201520093001.5U CN201520093001U CN204512825U CN 204512825 U CN204512825 U CN 204512825U CN 201520093001 U CN201520093001 U CN 201520093001U CN 204512825 U CN204512825 U CN 204512825U
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- rise
- motion bar
- lower margin
- type lower
- fall type
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Abstract
The utility model discloses a kind of rise-fall type lower margin, comprise and trigger rotating shaft, motion bar and pin cup, described triggering rotating shaft has extended radially out shifting block, described motion bar is arranged at below shifting block, pin cup is fixedly connected on the lower end of motion bar, shifting block by promote motion bar move down pin cup is dropped to ground after bearing material support is risen.The utility model by shifting block around triggering axis of rotation, promotion motion bar and pin cup stretch out downwards or pack up, bearing material support is risen or puts down, thus it is motionless or make the castor of bearing material land to move to make machine be fixed on certain position, owing to being touched by pin cup and ground, therefore can have the area of contact larger with ground, what energy was stable is positioned on ground by bearing material, has good positional accuracy; Drive by means of push-rod electric machine, therefore without the need to hand lifting/lowering, thus reach the object being easy to operate and use.
Description
Technical field
The utility model relates to a kind of support device, particularly a kind of rise-fall type lower margin.
Background technique
The braking device of traditional machine is all be contained on the castor with braking device, when machine need be fixed on motionless somewhere, the brake knob of the lower castor that tramp with one's feet, makes buckle fasten the rotor of castor, thus realize castor and can not rotate, machine just can be fixed on certain position.When again stepping on brake knob, buckle is separated with castor rotor, and castor can rotate, and just can promote machine by castor.Thus reach the effect that machine is fixed on certain position or promotion.
And at present institute uses the castor with braking device to there is following what time deficiency:
1, fixed effect is not strong: be only fixed with castor and ground, area of contact is little, and limits by the intensity of castor, and therefore fixed performance is more weak;
2, by spatial constraints: castor is generally contained in machine bottom and is stressed position, be difficult to for user provides space to touch on the brake knob;
3, applicability is not strong: the castor buckle that general braking quality is good all does relatively tightly just can stop tightly, while pin step on knob and all compare effort, not all people has so large strength.
Model utility content
For the technical problem existed in prior art, the purpose of this utility model is: provide that a kind of fixed performance is good, applicability is strong, be easy to control and the simple rise-fall type lower margin of structure.
The purpose of this utility model is achieved through the following technical solutions: a kind of rise-fall type lower margin, comprise and trigger rotating shaft, motion bar and pin cup, described triggering rotating shaft has extended radially out shifting block, described motion bar is arranged at below shifting block, pin cup is fixedly connected on the lower end of motion bar, shifting block by promote motion bar move down pin cup is dropped to ground after bearing material support is risen.
Preferably, be also provided with movable rod and push-rod electric machine, movable rod one end is fixedly connected in described triggering rotating shaft, and described push-rod electric machine drives the other end of movable rod to make described triggering axis of rotation.
Preferably, described rise-fall type lower margin is at least two, is separately positioned on the bottom of bearing material, is also provided with couple axle, and described couple axle is driven by described push-rod electric machine, and described couple axle is connected with the movable rod of each rise-fall type lower margin.
Preferably, the push rod of described push-rod electric machine is connected with the connecting rod of cross setting, described movable rod is on two two ends being articulated with described connecting rod respectively.
Preferably, described motion bar top is fixedly installed reinforcement pad, and described reinforcement pad is positioned at the below of shifting block.
Preferably, also comprise the fixing frame be fixed on bearing material, fixing frame has trepanning, described trepanning is socketed on motion bar.
Preferably, described motion bar is arranged with Returnning spring, described Returnning spring is between described reinforcement pad and fixing frame.
Preferably, described fixing frame offers spring-compressed stroke reception hole, described trepanning is arranged in described spring-compressed stroke reception hole, and described Returnning spring one end is connected to bottom spring-compressed stroke reception hole, and the other end is connected with reinforcement pad.
Preferably, described fixing frame comprises main frame and is fixed on the end external member on described main frame, and described main frame offers wealthy hole, and external member of the described end offers counterbore, and described wealthy hole is connected with counterbore and forms described spring-compressed stroke reception hole.
Preferably, the termination of stirring of described shifting block is set to be with stirring termination and maybe stirring termination and be arranged to bulb of fillet.
The utility model has following advantage and effect relative to prior art:
1, the utility model by shifting block around triggering axis of rotation, promotion motion bar and pin cup stretch out downwards or pack up, bearing material (equipment) support is risen or puts down, thus it is motionless or make the castor of bearing material land to move to make machine be fixed on certain position, owing to being touched by pin cup and ground, therefore can have the area of contact larger with ground, what energy was stable is positioned on ground by bearing material, has good positional accuracy; Drive by means of push-rod electric machine, therefore without the need to hand lifting/lowering, thus reach the object being easy to operate and use, and be applicable on heavier equipment, therefore applicability is strong; Meanwhile, push-rod electric machine also has the swift feature of start and stop, can be applicable to medical equipment strive for emergency time, can reach more good result for the treatment of; Because the utility model structure is simple, because this reducing cumulative error, make its reliability high, working life increases, and also makes manufacture cost greatly reduce simultaneously.
2, the utility model can be used on big or middle and small machines, is specially adapted on stationarity and the higher machine of stability requirement, therefore the utility model highly versatile.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is motion bar of the present utility model and pin cup structural representation when packing up.
Fig. 3 is motion bar in Fig. 2 and pin cup structural representation when stretching out.
Fig. 4 is schematic perspective view of the present utility model.
Fig. 5 be Fig. 4 side to schematic diagram.
Fig. 6 is the motion bar of Fig. 5 and pin cup structural representation when packing up.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but mode of execution of the present utility model is not limited thereto.
Embodiment one:
A kind of rise-fall type lower margin, comprise and trigger rotating shaft 1, motion bar 2 and pin cup 3, described triggering rotating shaft 1 has extended radially out shifting block 4, described motion bar 2 is arranged at below shifting block 4, pin cup 3 is fixedly connected on the lower end of motion bar 2, shifting block 4 by promote motion bar 2 move down pin cup 3 is dropped to ground after bearing material support is risen, described shifting block 4 corner location is arranged on fillet formed band fillet stir termination, bulb can be arranged in the termination of stirring of shifting block 4 in addition, the shifting block 4 level and smooth promotion motion bar 2 of energy and pin cup 3 can be made, avoid producing and impact.
Preferably, be also provided with movable rod 5 and push-rod electric machine 6, movable rod 5 one end is fixedly connected in described triggering rotating shaft 1, and described push-rod electric machine 6 drives the other end of movable rod 5 that described triggering rotating shaft 1 is rotated.Trigger that the one or both ends of rotating shaft 1 are rotating to be connected on bearing material, push-rod electric machine 6 is driven by motion bar 2 and triggers rotating shaft 1, makes push-rod electric machine 6 can cross setting, reduces height of the present utility model, with the bottom facilitating the utility model to be arranged at bearing material; By the thrust of push-rod electric machine 6 being changed into the rotation triggering rotating shaft 1, therefore, triggering rotating shaft 1 can be made easily to rotate, trigger rotating shaft 1 compared to employing motor direct-drive to rotate, just need just motion bar 2 and pin cup 3 to be released with the motor with larger torsion, the motor volume of large torsion is also often larger, is not suitable in the utility model.Preferably, the push rod of described push-rod electric machine 6 and movable rod 5 are hinged.By the push rod of push-rod electric machine 6 transverse shifting, triggering rotating shaft 1 is produced to rotate, thus make shifting block 4 produce clockwise or counterclockwise swing.
Preferably, when described rise-fall type lower margin be two or more use simultaneously time, each rise-fall type lower margin is separately positioned on the bottom of bearing material, in addition, the utility model is also provided with couple axle 14, described couple axle 14 is driven by described push-rod electric machine 6, described couple axle 14 is connected with the movable rod 5 of each rise-fall type lower margin, each triggering rotating shaft 1 is driven to rotate by using linkage rod 14, the quantity of push-rod electric machine 6 can be reduced, also the design needing to adopt the complicated each push-rod electric machine 6 of control circui simultaneously to start is eliminated, simplify structure of the present utility model and reduce manufacture cost, can also ensure that each triggering rotating shaft 1 synchronously drives simultaneously.
Preferably, the push rod of described push-rod electric machine 6 is connected with the connecting rod 7 of cross setting, described movable rod 5 is on two two ends being articulated with described connecting rod 7 respectively.Connecting rod 7 drives two movable rods 5 that triggering rotating shaft 1 is rotated simultaneously, reach push-rod electric machine 6 energy steadily outputting power, avoid occurring that the unbalanced phenomenon of thrust occurs, simultaneously, realize double dynamical simultaneously output to make triggering rotating shaft 1 have sufficient motivational drive shifting block 4 to swing pin cup 3 is released, when adopting above-mentioned couple axle 14 synchronously driven scheme, described couple axle 14 is connected with the connecting rod 7 of each rise-fall type lower margin, drives two movable rods 5 thus each triggering rotating shaft 1 is rotated by connecting rod 7.
Preferably, described motion bar 2 top is fixedly installed strengthens pad 8, and described reinforcement pad 8 is positioned at the below of shifting block 4.Preferred, also comprise the fixing frame 9 be fixed on bearing material, fixing frame 9 has trepanning, described trepanning is socketed on motion bar 2.Visible reinforcement pad 8 of the present utility model plays the area strengthening and contact with shifting block 4, that can also play the described motion bar 2 of restriction and pin cup 3 stretches out stroke distances simultaneously, in addition the termination of stirring that it should be noted that shifting block 4 is that shifting block 4 drives and strengthens one end of pad 8, i.e. one end of contacting with reinforcement pad 8 of shifting block 4.
Preferably, described motion bar 2 is arranged with Returnning spring 10, described Returnning spring 10 is between described reinforcement pad 8 and fixing frame 9, when under non-working condition, namely, when motion bar 2 and pin cup 3 are in non-protruding state, under the effect of Returnning spring 10, motion bar 2 and pin cup 3 can be made automatically to rise reset, avoid under non-working condition, cause unnecessary noise because pin cup 3 does not have withdrawal generation to tow or hinder the walking of bearing material and normally work.
For protection Returnning spring 10 avoid motion bar 2 and pin cup 3 excessively descending, Returnning spring 10 is damaged by pressure and causes can not realizing resetting or resetting completely, preferably, described fixing frame 9 offers spring-compressed stroke reception hole 11, described trepanning is arranged in described spring-compressed stroke reception hole 11, described Returnning spring 10 one end is connected to bottom spring-compressed stroke reception hole 11, the other end is connected with reinforcement pad 8, when motion bar 2 and pin cup 3 come downwards to lower limit, described Returnning spring 10 can be retracted to completely in spring-compressed stroke reception hole 11 and do not damaged by pressure; In addition, as can be seen from above-mentioned, strengthen pad 8 and also there is special operations bar 2 and the automatic effect of rising reset of pin cup 3.
Preferably, described spring-compressed stroke reception hole 11 can select following structure composition, described fixing frame 9 comprises main frame 12 and is fixed on the end external member 13 on described main frame 12, described main frame 12 offers wealthy hole, external member of the described end 13 offers counterbore, described wealthy hole is connected with counterbore and forms described spring-compressed stroke reception hole 11, the spring-compressed stroke reception hole 11 adopting this kind of mode to form has structure and also reduces the difficulty of producing and manufacturing simply simultaneously, wherein, external member of the described end 13 is fixedly attached on main frame 12 by screw or bolt.
Preferably, external member of the described end 13 is plastic bottom external member or on the bottom surface of end external member 13, is provided with cushion pad layer, produces and clash into when adopting the effect of plastic bottom external member or cushion pad to be to avoid pin cup 3 to reset too fast and between end external member 13.
Working procedure of the present utility model and working principle: the bearing material mentioned in the utility model can be the equipment realizing movement by means of castor or crawler belt, is specially adapted to heavier equipment.
Multiple rise-fall type lower margin of the present utility model can be installed on respectively the bottom of bearing material in using simultaneously, each triggering axis of rotation is synchronously driven by couple axle, shifting block is rotated clockwise around triggering rotating shaft, and stretched out downwards by reinforcement pad promotion motion bar and pin cup, after pin cup kiss the earth, because shifting block does not also arrive lower limit, so pin cup shifting block continuation promote under (until shifting block is vertical, namely shifting block arrives lower limit) bearing material support is got up, make the castor of bearing material or crawler belt unsettled, relend the gravity helping bearing material self, bearing material just can be fixed on ground, avoid due to too small with contact area of ground and cause producing the phenomenon of sliding and occur.
When bearing material needs mobile, each triggering axis of rotation is synchronously driven by couple axle, shifting block is rotated counterclockwise around triggering rotating shaft, bearing material is under the effect of self gravitation, decline gradually with the rotation of shifting block, until after castor or crawler belt land, under the effect of Returnning spring, strengthen pad to keep rising with shifting block close contact and with the continuation of shifting block and rising, until shifting block arrives upper limit.
Above-described embodiment is the utility model preferably mode of execution; but mode of execution of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (10)
1. a rise-fall type lower margin, it is characterized in that: comprise and trigger rotating shaft, motion bar and pin cup, described triggering rotating shaft has extended radially out shifting block, described motion bar is arranged at below shifting block, pin cup is fixedly connected on the lower end of motion bar, shifting block by promote motion bar move down pin cup is dropped to ground after bearing material support is risen.
2. rise-fall type lower margin according to claim 1, it is characterized in that: be also provided with movable rod and push-rod electric machine, movable rod one end is fixedly connected in described triggering rotating shaft, and described push-rod electric machine drives the other end of movable rod to make described triggering axis of rotation.
3. rise-fall type lower margin according to claim 2, it is characterized in that: described rise-fall type lower margin is at least two, is separately positioned on the bottom of bearing material, is also provided with couple axle, described couple axle is driven by described push-rod electric machine, and described couple axle is connected with the movable rod of each rise-fall type lower margin.
4. the rise-fall type lower margin according to Claims 2 or 3, is characterized in that: the connecting rod push rod of described push-rod electric machine being connected with cross setting, and described movable rod is on two two ends being articulated with described connecting rod respectively.
5. rise-fall type lower margin according to claim 1, is characterized in that: described motion bar top is fixedly installed reinforcement pad, and described reinforcement pad is positioned at the below of shifting block.
6. rise-fall type lower margin according to claim 5, it is characterized in that: also comprise the fixing frame be fixed on bearing material, fixing frame has trepanning, described trepanning is socketed on motion bar.
7. rise-fall type lower margin according to claim 6, is characterized in that: described motion bar is arranged with Returnning spring, described Returnning spring is between described reinforcement pad and fixing frame.
8. rise-fall type lower margin according to claim 7, it is characterized in that: described fixing frame offers spring-compressed stroke reception hole, described trepanning is arranged in described spring-compressed stroke reception hole, described Returnning spring one end is connected to bottom spring-compressed stroke reception hole, and the other end is connected with reinforcement pad.
9. rise-fall type lower margin according to claim 8, it is characterized in that: described fixing frame comprises main frame and is fixed on the end external member on described main frame, described main frame offers wealthy hole, external member of the described end offers counterbore, and described wealthy hole is connected with counterbore and forms described spring-compressed stroke reception hole.
10. rise-fall type lower margin according to claim 1, is characterized in that: the termination of stirring of described shifting block is set to be with stirring termination and maybe stirring termination and be arranged to bulb of fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093001.5U CN204512825U (en) | 2015-02-09 | 2015-02-09 | A kind of rise-fall type lower margin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093001.5U CN204512825U (en) | 2015-02-09 | 2015-02-09 | A kind of rise-fall type lower margin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204512825U true CN204512825U (en) | 2015-07-29 |
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ID=53710803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520093001.5U Withdrawn - After Issue CN204512825U (en) | 2015-02-09 | 2015-02-09 | A kind of rise-fall type lower margin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204512825U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676203A (en) * | 2015-02-09 | 2015-06-03 | 广州龙之杰科技有限公司 | Lifting type foot margin |
| CN107543012A (en) * | 2017-10-03 | 2018-01-05 | 罗厚镇 | A kind of plant equipment levels up structure |
| CN110375513A (en) * | 2019-07-31 | 2019-10-25 | 珠海格力智能装备有限公司 | Fixed device |
| CN111795284A (en) * | 2019-04-08 | 2020-10-20 | 青岛海尔洗碗机有限公司 | Synchronous lifting adjusting structure and household appliance |
-
2015
- 2015-02-09 CN CN201520093001.5U patent/CN204512825U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676203A (en) * | 2015-02-09 | 2015-06-03 | 广州龙之杰科技有限公司 | Lifting type foot margin |
| CN107543012A (en) * | 2017-10-03 | 2018-01-05 | 罗厚镇 | A kind of plant equipment levels up structure |
| CN107543012B (en) * | 2017-10-03 | 2019-03-29 | 郑青松 | A kind of mechanical equipment leveling structure |
| CN111795284A (en) * | 2019-04-08 | 2020-10-20 | 青岛海尔洗碗机有限公司 | Synchronous lifting adjusting structure and household appliance |
| CN110375513A (en) * | 2019-07-31 | 2019-10-25 | 珠海格力智能装备有限公司 | Fixed device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150729 Effective date of abandoning: 20170524 |