CN204318919U - A kind of adjustable type operation stepladder - Google Patents

A kind of adjustable type operation stepladder Download PDF

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Publication number
CN204318919U
CN204318919U CN201420791004.1U CN201420791004U CN204318919U CN 204318919 U CN204318919 U CN 204318919U CN 201420791004 U CN201420791004 U CN 201420791004U CN 204318919 U CN204318919 U CN 204318919U
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CN
China
Prior art keywords
housing
stepladder
lifting platform
hydraulic
bracing frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420791004.1U
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Chinese (zh)
Inventor
周敏
王宇
段宝玲
杨红
谭婷婷
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Fourth Military Medical University FMMU
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Fourth Military Medical University FMMU
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Publication date
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Priority to CN201420791004.1U priority Critical patent/CN204318919U/en
Application granted granted Critical
Publication of CN204318919U publication Critical patent/CN204318919U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of adjustable type operation stepladder, comprise stepladder, described stepladder comprises housing and is arranged on the lifting platform on housing end face, and lifting platform outer wrap has outer housing, and lifting platform is elevated relative to housing by the hydraulic system being arranged on enclosure interior; Housing bottom is provided with universal rolling wheel and bracing frame, and housings support can rise and make universal rolling wheel liftoff by bracing frame.This utility model adopts hydraulic stepless height-adjusting system, can be adjusted the height of stepladder at an arbitrary position, and constantly can carry out the correction of position, be convenient to very much the adjustment of position in use procedure by the mode of trampling, and adapts to the high-strung rhythm of operating room; Circular increase the usable floor area of stepladder without angular structures design, while can not wound when being touched, scuffing etc.; After shrinking when not using, volume is little, is convenient to lay, and saves operating room space.

Description

A kind of adjustable type operation stepladder
Technical field
This utility model relates to a kind of operating room appurtenance, is specifically related to a kind of adjustable type operation stepladder, conveniently can regulates height and position.
Background technology
Operation stepladder is a mate-assist instrument of surgical operation necessity, and the height of appropriateness is conducive to operation medical care and carries out operation technique and cooperation better.
Due to the difference in height factor of operative doctor height, operation position, operating-table, when having surgery situation to change in real work, as the sudden cardiac arrest that interim burst appears in patient, doctor is needed to carry out cardio-pulmonary resuscitation in higher position to patient; And for example carry out the degree of depth detect or deep operation time, also need to improve the position of doctor and better operate the visual field to make it have.
The stepladder used in the middle of current operation, be square iron stool, metal stool is moccasin face, when needing to use, is removed by stepladder to suitable position, then stands in the enterprising line operate of stepladder.But there is many problems in this operation stepladder:
1. the stool leg length of operation square iron stool is fixing, as the stepladder of differing heights will be coordinated, just need two or more stepladder stacked, nonetheless also usually suitable height can not be adjusted to, and multiple stepladder tired folded time, poor stability, sometimes may need people to buttress stool and keep it to stablize; 2. operating room limited space, as being equipped with too much operation stool in situations in the surgery room, can very take limited space resources undoubtedly; 3. square iron stool weight is large, and the movement of square iron stool must rely on and moves, and needs at substantial time and muscle power in the process of moving; 4. the edge of square iron stool is sharp-pointed, when accidentally touching, is easily scratched or wounds; 5. current stepladder is surface, is in use constantly trampled, make it easily stained, but often can not be cleaned fully and sterilize, hidden danger is brought to the safe and sanitary of operating room.
Summary of the invention
For above-mentioned problems of the prior art, the purpose of this utility model is, provides a kind of adjustable type operation stepladder, conveniently can regulate height, have advantages such as being convenient to transfer, use safety simultaneously.
In order to realize above-mentioned task, this utility model by the following technical solutions:
A kind of adjustable type operation stepladder, comprise stepladder, described stepladder comprises housing and is arranged on the lifting platform on housing end face, and lifting platform outer wrap has outer housing, and lifting platform is elevated relative to housing by the hydraulic system being arranged on enclosure interior; Housing bottom is provided with universal rolling wheel and bracing frame, and housings support can rise and make universal rolling wheel liftoff by bracing frame.
Further, the output shaft of described hydraulic system is fore-set, fore-set is cemented in bottom lifting platform, the auxiliary frame that can move with lifting platform and change shape is had in fore-set outer setting, auxiliary frame is connected in sequence by multiple X-shaped fork arm, and what form X-shaped fork arm is two middle parts by the hinged pole of rotating shaft; The corresponding end of two adjacent X-shaped fork arms is hinged by rotating shaft; The upper end of auxiliary frame is cemented in bottom lifting disk, and the lower end of auxiliary frame is cemented in housing end face or enclosure interior.
Further, auxiliary frame is removably provided with annular snap.
Further, described hydraulic system comprises the food tray being arranged on enclosure interior, in food tray, hydraulic oil is housed, first hydraulic cavities is set above food tray, piston is equipped with in first hydraulic cavities, piston is connected by piston rod and stretches out the pedal of housing sidewall, is provided with back-moving spring bottom pedal, is provided with top and the hinged fixed bar of pedal between back-moving spring and the first hydraulic cavities; Parallel the passing through in the lower end of the first hydraulic cavities is connected with the first oil pipe and the second oil pipe, wherein in the first oil pipe, the first check valve be installed and connect food tray, second check valve is installed in the second oil pipe and passes through with the second hydraulic cavities and connect, push pedal is equipped with, the fore-set described in the connection of upper end of push pedal in second hydraulic cavities; Second hydraulic cavities is connected with food tray by the 3rd oil pipe, is provided with stop valve in the 3rd oil pipe, and stop valve is controlled by the reset pedal stretching out hull outside.
Further, described bracing frame be arranged in parallel a pair at housing bottom, by connection-rod linkage between two bracing frames, after housings support rises and makes universal rolling wheel liftoff by bracing frame, and the position of the fastener lock support frame installed by bracing frame end.
Further, described lifting platform is round pie, the outer housing of lifting platform outer wrap is provided with rubber antiskid layer.
Further, be provided with motor in the housing, the output shaft of motor is provided with gear, gear coordinates with the tooth bar be axially disposed within fore-set.
This utility model compared with prior art has following technical characterstic:
1. circular increase the usable floor area of stepladder without angular structures design, while can not wound when being touched, scuffing etc.;
2. hydraulic pressure stepless heightening system, can adjust the height of stepladder at an arbitrary position by the mode of trampling, and constantly can carry out the correction of position, is convenient to very much the adjustment of position in use procedure, adapts to the high-strung rhythm of operating room;
3. bottom stepladder, roller is set, is convenient to it and promotes, in roller-coaster process, damage can not be caused to floor;
4. there is locking position structure, when correct position, stepladder is fixed, to carry out follow-up height adjustment operation;
5. foot can be utilized in use procedure to complete whole operation, avoid hand and contact with stepladder, ensure that the health of use procedure;
6. stepladder is provided with cover body, once changes cover body after operation, keep the clean of stepladder.
7. after shrinking when not using, volume is little, is convenient to lay, and saves operating room space.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Structural representation when Fig. 2 is locking position;
Fig. 3 is the structural representation of hydraulic system;
Number in the figure represents: 1-pedal, 2-back-moving spring, 3-housing, 4-universal rolling wheel, 5-fastener, 6-bracing frame, 7-connecting rod, 8-reset pedal, 9-rotating shaft, 10-pole, 11-lifting platform, 12-outer housing, 13-fore-set, the 14-the first hydraulic cavities, 15-fixed bar, 16-the first oil pipe, the 17-the first check valve, 18-food tray, 19-the second oil pipe, the 20-the second check valve, 21-stop valve, 22-axostylus axostyle, 23-the second hydraulic cavities, 24-push pedal, 25-piston, 26-piston rod, the 27-the three oil pipe;
Detailed description of the invention
Defer to technique scheme, as shown in Figure 1 to Figure 3, a kind of adjustable type operation stepladder, comprise stepladder, the lifting platform 11 that described stepladder comprises housing 3 and is arranged on housing 3 end face, lifting platform 11 outer wrap has outer housing 12, and lifting platform 11 is elevated relative to housing 3 by the hydraulic system being arranged on housing 3 inside; Be provided with universal rolling wheel 4 and bracing frame 6 bottom housing 3, housing 3 can support and make universal rolling wheel 4 liftoff by bracing frame 6.
In this programme, operation stepladder adopts the lifting structure being convenient to movement, and universal rolling wheel 4 is installed in bottom, facilitates movement and the adjustment of stepladder position, only needs to adopt the mode promoted can be placed into suitable position; Stepladder is provided with can the lifting platform 11 of adjusting position, uses Shi doctor to stand on lifting platform 11, can by the height of regulation of hydraulic system lifting platform 11.Hydraulic system has function that is stable, stepless height-regulating, utilizes hydraulic system, lifting platform 11 arbitrarily can be adjusted height in a relatively wide in range scope, make the height of lifting platform 11 can meet the actual demand of all kinds of operation.In addition, even if adjusted height, doctor has stood in after on lifting platform 11, as changed height, still can adjust easily.The outer housing 12 of lifting platform 11 outer wrap is disposable products, is similar to shoe cover structure, a Post operation, takes off abandon from lifting platform 11, ensures the use health of stepladder.After stepladder moves to suitable position, need to be fixed its position.Two kinds of modes are had to adopt:
The first, adopt wheel lock construction, namely select the universal rolling wheel 4 with wheel lock, but this structure needs to lock each roller successively, operation relative complex some, and need the position of roller relative near housing 3 bottom margin, be unfavorable for its load.In addition, wheel lock makes roller bear larger pressure, easily damages roller.
The second, adopts bracing frame 6 structure, props up, make universal rolling wheel 4 liftoff, provide a metastable basis by housing 3 entirety.
Bracing frame 6 structure can adopt various ways, is convenient to fixing.Selected a kind of fixed mount in this programme, i.e. bracing frame 6 structure at old bicycles rear portion, this bracing frame 6 structure is spill, and bracing frame 6 two ends are cemented in the position of housing 3 two bottom sides symmetry respectively.Hinged connected mode is adopted bottom bracing frame 6 and housing 3, rotary support frame 6 during use, it is made to be in the state with housing 3 plane perpendicular, and bracing frame 6 is now greater than the distance of roller and housing 3 bottom surface with the distance on ground, now roller is unsettled, housing 3 integrated support is got up by bracing frame 6.
Bracing frame 6 be arranged in parallel a pair bottom housing 3, is linked between two bracing frames 6 by connecting rod 7, after housing 3 supports and makes universal rolling wheel 4 liftoff by bracing frame 6, and the position of the fastener 5 lock support frame 6 installed by bracing frame 6 end.
Connecting rod 7 i.e. a bar hinged respectively with two bracing frames 6, and when exerting all one's strength to a bracing frame 6, another bracing frame 6 also links simultaneously, very convenient operation.Bracing frame 6 utilizes fastener 5 to lock after being supported by housing 3.This fastener 5 is back-moving spring 2 fastener 5, be back-moving spring 2 fastener 5 structure on bicycle support leg, when being allocated to side, fastener 5 is relative fixing with the axle installing bracing frame 6 by bracing frame 6, bracing frame 6 can not be rocked, and when dialing to opposite side, bracing frame 6 can rotate, be convenient to shrink support; After packing up support, holder pivots is to close housing 3 bottom surface, now universal rolling wheel 4 ground connection again.
Adopt a kind of hydraulic system in this programme, its output shaft is fore-set 13, and fore-set 13 promotes lifting platform 11 and moves.Fore-set 13 outer setting has and can move with lifting platform 11 and change the auxiliary frame of shape, and as shown in Figure 2, auxiliary frame is connected in sequence by multiple X-shaped fork arm, and what form X-shaped fork arm is two middle parts by the hinged pole 10 of rotating shaft 9; The corresponding end of two adjacent X-shaped fork arms is hinged by rotating shaft 9; Two upper ends of two bottoms and next X-shaped fork arm of namely going up an X-shaped fork arm are distinguished hinged, and whole auxiliary frame is a kind of linkage structure, and its entire length can change; The upper end of auxiliary frame is cemented in bottom lifting disk, and the lower end of auxiliary frame is cemented in housing 3 end face or housing 3 is inner.
Fore-set 13 part that the effect first protection of auxiliary frame is inner, it two is play auxiliary supporting role: on auxiliary frame, be removably provided with annular snap.Annular snap is an annular circle, when lifting platform 11 needing stand two doctors simultaneously, hydraulic system load-bearing is larger, now utilize circumferential clasp to walk around X-shaped fork arm to arrange, limit X-shaped fork arm, in X-shaped fork arm two poles 10 can not be relatively rotated again, whole auxiliary frame can not relative changes shape, so now whole auxiliary frame overall just with problem end face for supporting, play the effect disperseing fore-set 13 partial pressure.Annular snap can optionally arrange one or more.
It is inner that hydraulic system is arranged on housing 3, comprise food tray 18, in food tray 18, hydraulic oil is housed, first hydraulic cavities 14 is set above food tray 18, piston 25 is equipped with in first hydraulic cavities 14, piston 25 is connected by piston rod 26 and stretches out the pedal 1 of housing 3 sidewall, is provided with back-moving spring 2 bottom pedal 1, is provided with top and the hinged fixed bar 15 of pedal 1 between back-moving spring 2 and the first hydraulic cavities 14; Parallel the passing through in the lower end of the first hydraulic cavities 14 is connected with the first oil pipe 16 and the second oil pipe 19, wherein in the first oil pipe 16, first check valve 17 be installed and connect food tray 18, second check valve 20 is installed in second oil pipe 19 and with the second hydraulic cavities 23 company of passing through, push pedal 24 is equipped with, the fore-set 13 described in the connection of upper end of push pedal 24 in second hydraulic cavities 23; Second hydraulic cavities 23 is connected with food tray 18 by the 3rd oil pipe 27, is provided with stop valve 21 in the 3rd oil pipe 27, and stop valve 21 is controlled by the reset pedal 8 stretching out housing 3 outside.
As shown in Figure 3, be the schematic diagram of hydraulic system.When trampling pedal 1, back-moving spring 2 compresses, and under the supporting role of fixed bar 15 end, the other end of pedal 1 drives piston rod 26 to move upward, and now piston 25 moves upward, and is extracted out by the hydraulic oil in food tray 18 from the first oil pipe 16.The first check valve 17 in first oil pipe 16 makes hydraulic oil can only flow to the first hydraulic cavities 14 from food tray 18.Hydraulic oil constantly flows into after in the first hydraulic cavities 14, then the second hydraulic cavities 23 is flowed into by the second oil pipe 19, the second check valve 20 that second oil pipe 19 is installed can only make hydraulic oil flow in the second hydraulic cavities 23, hydraulic oil can not be extracted out from the second hydraulic cavities 23 when piston 25 moves.First hydraulic cavities 14, second hydraulic cavities 23 can be cylindrical cavity or other systematicness cavitys.Stop valve 21 is in closed condition usually, and so hydraulic oil constantly flows into after in the second hydraulic cavities 23, can promote push pedal 24 and move upward, and by fore-set 13 by lifting platform 11 jack-up, has so just been carried out the lifting of lifting platform 11 position by the mode of foot-treadle 1.Back-moving spring 2 resets to it after often stepping on a pedal 1, is convenient to step on process next time.By constantly stepping on pedal 1, lifting platform 11 is made stably to rise to suitable position.
After finishing using, step on the reset pedal 8 of housing 3 opposite side, reset pedal 8 is hinged on housing 3 by axostylus axostyle 22, when stepping on, the logical stop valve 21 be arranged on the 3rd oil pipe 27 of band is opened, now in the second hydraulic cavities 23 hydraulic oil under the action of gravity of fore-set 13, lifting platform 11, be pressed in food tray 18 by the 3rd oil pipe 27, such lifting platform 11 will gently decline.Before using, first should close stop valve 21 by reset pedal 8 next time.
Lifting platform 11 is round pie, has larger area of standing, does not have corner angle simultaneously, and not easily scratch or wound operator.Outer housing 12 also can arrange anti-slip rubber layer, more stable when standing.
Above-mentioned is a kind of mode controlling lifting platform 11 and be elevated.
In order to more convenient adjustment lifting platform 11, also can in housing 3 mounted motor, motor output shaft arranges gear, and lay tooth bar on fore-set 13.During motor running, pinion rotation coordinates with tooth bar, controls the lifting of fore-set 13, realizes the change of lifting platform 11 height.This mode and above-mentioned hydraulic system and be jointly arranged in housing 3, also can select one and be arranged in housing 3; It is more convenient that the mode of mounted motor uses, and automaticity is high, but need more complex supporting, too increases the weight of housing 3 simultaneously.

Claims (7)

1. an adjustable type operation stepladder, comprise stepladder, it is characterized in that, described stepladder comprises housing (3) and is arranged on the lifting platform (11) on housing (3) end face, lifting platform (11) outer wrap has outer housing (12), and lifting platform (11) is elevated relative to housing (3) by the hydraulic system being arranged on housing (3) inner; Housing (3) bottom is provided with universal rolling wheel (4) and bracing frame (6), and housing (3) can support and make universal rolling wheel (4) liftoff by bracing frame (6).
2. adjustable type operation stepladder as claimed in claim 1, it is characterized in that, the output shaft of described hydraulic system is fore-set (13), fore-set (13) is cemented in lifting platform (11) bottom, the auxiliary frame that can change shape with lifting platform (11) movement is had in fore-set (13) outer setting, auxiliary frame is connected in sequence by multiple X-shaped fork arm, and what form X-shaped fork arm is two middle parts by the hinged pole (10) of rotating shaft (9); The corresponding end of two adjacent X-shaped fork arms is hinged by rotating shaft (9); The upper end of auxiliary frame is cemented in bottom lifting disk, and the lower end of auxiliary frame is cemented in housing (3) end face or housing (3) is inner.
3. adjustable type operation stepladder as claimed in claim 2, is characterized in that, auxiliary frame is removably provided with annular snap.
4. adjustable type operation stepladder as claimed in claim 2, it is characterized in that, described hydraulic system comprises the food tray (18) being arranged on housing (3) inside, food tray is equipped with hydraulic oil in (18), food tray (18) top arranges the first hydraulic cavities (14), piston (25) is equipped with in first hydraulic cavities (14), piston (25) connects the pedal (1) stretching out housing (3) sidewall by piston rod (26), pedal (1) bottom is provided with back-moving spring (2), top and the hinged fixed bar (15) of pedal (1) is provided with between back-moving spring (2) and the first hydraulic cavities (14), parallel the passing through in the lower end of the first hydraulic cavities (14) is connected with the first oil pipe (16) and the second oil pipe (19), wherein in the first oil pipe (16), the first check valve (17) be installed and connect food tray (18), second check valve (20) is installed in the second oil pipe (19) and with the second hydraulic cavities (23) company of passing through, push pedal (24) is equipped with, the fore-set (13) described in the connection of upper end of push pedal (24) in second hydraulic cavities (23), second hydraulic cavities (23) is connected with food tray (18) by the 3rd oil pipe (27), be provided with stop valve (21) in 3rd oil pipe (27), stop valve (21) controls by stretching out the outside reset pedal (8) of housing (3).
5. adjustable type operation stepladder as claimed in claim 1, it is characterized in that, described bracing frame (6) be arranged in parallel a pair in housing (3) bottom, by connecting rod (7) interlock between two bracing frames (6), after housing (3) supports and makes universal rolling wheel (4) liftoff by bracing frame (6), the position of fastener (5) the lock support frame (6) installed by bracing frame (6) end.
6. adjustable type operation stepladder as claimed in claim 1, it is characterized in that, described lifting platform (11) is round pie, and the outer housing (12) of lifting platform (11) outer wrap is provided with rubber antiskid layer.
7. adjustable type operation stepladder as claimed in claim 2, it is characterized in that, in housing (3), be provided with motor, the output shaft of motor is provided with gear, gear coordinates with the tooth bar be axially disposed within fore-set (13).
CN201420791004.1U 2014-12-12 2014-12-12 A kind of adjustable type operation stepladder Expired - Fee Related CN204318919U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420791004.1U CN204318919U (en) 2014-12-12 2014-12-12 A kind of adjustable type operation stepladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420791004.1U CN204318919U (en) 2014-12-12 2014-12-12 A kind of adjustable type operation stepladder

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104913583A (en) * 2015-06-24 2015-09-16 合肥美的电冰箱有限公司 Refrigerator door body height regulator and refrigerator
CN107296567A (en) * 2017-07-07 2017-10-27 佛山市正略信息科技有限公司 A kind of intelligent sweeping with bench function
CN108135766A (en) * 2015-07-28 2018-06-08 迈柯唯有限公司 The bearing surface means of transport driven for the motor of operating table system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104913583A (en) * 2015-06-24 2015-09-16 合肥美的电冰箱有限公司 Refrigerator door body height regulator and refrigerator
CN104913583B (en) * 2015-06-24 2017-11-17 合肥美的电冰箱有限公司 refrigerator door height adjuster and refrigerator
CN108135766A (en) * 2015-07-28 2018-06-08 迈柯唯有限公司 The bearing surface means of transport driven for the motor of operating table system
CN107296567A (en) * 2017-07-07 2017-10-27 佛山市正略信息科技有限公司 A kind of intelligent sweeping with bench function

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150513

Termination date: 20151212