CN104188768B - A kind of stretcher locking device - Google Patents
A kind of stretcher locking device Download PDFInfo
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- CN104188768B CN104188768B CN201410487583.5A CN201410487583A CN104188768B CN 104188768 B CN104188768 B CN 104188768B CN 201410487583 A CN201410487583 A CN 201410487583A CN 104188768 B CN104188768 B CN 104188768B
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- stretcher
- pulling buckle
- locking member
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Abstract
The invention provides a kind of stretcher locking device, including: drive mechanism；Dynamic structure；Locking mechanism, it includes the lifting piece for stretcher front axle is locked and the locking member for stretcher locating shaft is locked；Lifting piece is fixedly installed on drive mechanism, and changes position with the motion of drive mechanism；Locking member is connected with lifting piece by pulling buckle integrated morphology；Reset and start structure；Stretcher；When stretcher is placed on stretcher and need to be withdrawn into position by described drive mechanism and lock, described lifting piece is driven to stretcher front axle position by described drive mechanism and the front axle of stretcher is locked, described lifting piece is by pulling front axle to pull stretcher to move, and stretcher locating shaft is locked by described lifting piece by the described pulling buckle integrated morphology described locking member of startup simultaneously。The present invention is capable of the stable locking of stretcher, is capable of auto lock simultaneously。
Description
Technical field
The present invention relates to braking technology field, espespecially a kind of stretcher locking device。
Background technology
It is generally fitted with stretcher in common ambulance to use, it is simple to patient moved by stretcher to ambulance, be sent to hospital, also can carry out first aid in ambulance simultaneously。
Stretcher early stage in application, generally it does not fixed in ambulance or only simply fix, but in ambulance driving process, can jolt so that stretcher is moved owing to road conditions cause unavoidably, thus patient is formed unnecessary potential safety hazard。
In order to solve the problems referred to above, those skilled in the art have developed the fixing device being applied to stretcher, but the structure that these fixing devices have is excessively loaded down with trivial details, and the operation lock, unlocked is complex, delays the very first time that patient is treated；The fixing device volume having is too small again and excessively simple, can only the position, certain of stretcher be fixed, and fixed effect is firm not, causes stretcher still carry out skew by a small margin or rock。And further, existing fixing device is both needed to manually carry out handling locking, it is impossible to realize the automatically fixing locking of stretcher。
Problem existing for existing fixing device shows, the appearance wanted a kind of fixed effect good and can carry out the device of fixing locking automatically is still badly in need of in the use of stretcher。
Summary of the invention
It is an object of the invention to provide a kind of stretcher locking device, it is possible to realize the stable locking of stretcher, be capable of auto lock simultaneously。
Technical scheme provided by the invention is as follows:
A kind of stretcher locking device, including:
Can the drive mechanism of transmitted in both directions；
Dynamic structure, it is connected with described drive mechanism, for providing power for described drive mechanism；
Stretcher, it is movably set in above described drive mechanism, and the direction of motion is parallel with the transmission direction of described drive mechanism, is used for placing stretcher and moving together with stretcher；
Locking mechanism, it includes the lifting piece for stretcher front axle is locked and the locking member for stretcher locating shaft is locked；Described lifting piece is fixedly installed on described drive mechanism, and changes position with the motion of described drive mechanism；Described locking member is connected with described lifting piece by pulling buckle integrated morphology；
Resetting and start structure, it is connected with described pulling buckle integrated morphology, resets for starting the unblock of described locking member by described pulling buckle integrated morphology；
When stretcher is placed on stretcher and need to be withdrawn into position by described drive mechanism and lock, described lifting piece is driven to the front wheel positions of stretcher by described drive mechanism and is attached front axle is locked with front axle, described lifting piece is by pulling this front axle to pull stretcher to move, and stretcher locating shaft is locked by described lifting piece by the described pulling buckle integrated morphology described locking member of startup simultaneously。
It is further preferred that described drive mechanism includes drive sprocket, driven sprocket and chain；
Described drive sprocket is connected with described dynamic structure, and described drive sprocket is connected with described driven sprocket by described chain；
Described lifting piece is fixedly installed on described chain。
It is further preferred that described dynamic structure is reducing motor。
It is further preferred that described locking member enters, from initial position, the operating position that stretcher locating shaft is locked after being started by described pulling buckle integrated morphology；
When described locking member is in initial position, described locking member is paralleled with the direction of motion of stretcher；
When described locking member is in operating position, described locking member is perpendicular with the direction of motion of stretcher。
It is further preferred that described lifting piece is lift hook；
It is further preferred that described locking member is locking bail。
It is further preferred that described pulling buckle integrated morphology includes pull bar, pulling buckle, long pulling buckle axle, pulling buckle rotating shaft；
Described pull bar is arranged along the transmission direction of described drive mechanism, and the two ends of described pull bar are arranged with a described pulling buckle, two described pulling buckles are connected with described long pulling buckle axle and described pulling buckle rotating shaft respectively, what be wherein connected with described long pulling buckle axle is the first pulling buckle, what be connected with described pulling buckle rotating shaft is the second pulling buckle, and described second pulling buckle is connected with described locking member by described pulling buckle rotating shaft；
Stretcher persistent movement is driven to carry out in the process of position at described lifting piece, described long pulling buckle axle is started by described lifting piece and motion in a predetermined interval, short position, so that described long pulling buckle axle drives described locking member to move to the operating position that stretcher locating shaft is locked from initial position by described pulling buckle, pull bar, pulling buckle rotating shaft。
It is further preferred that the terminal position place that described locking device moves at described long pulling buckle axle arranges a capture configurations, carried out lock-bit when described long pulling buckle axle moves to this capture configurations place by described capture configurations。
It is further preferred that described capture configurations is a groove, described long pulling buckle axle moves to this groove and of the lock bit；
It is further preferred that described lifting piece includes the stretching structure for stretcher front axle is locked and the pushing block being arranged on described stretching structure；When described stretching structure by stretcher front axle drive stretcher persistent movement carry out into time, described long pulling buckle axle is promoted by described pushing block and interval along the direction of motion of a stretcher short position of moving, until it is of the lock bit to move to described capture configurations, so that described locking member is driven moves to, from initial position, the operating position that stretcher locating shaft is locked；After described long pulling buckle axle is of the lock bit, described stretching structure drives stretcher persistent movement, until stretcher locating shaft is locked by described locking member；
It is further preferred that the described startup structure that resets is connected with described capture configurations, and for releasing the locking to described long pulling buckle axle of the described capture configurations upon actuation。
It is further preferred that described reset starts structure for unlocking shift fork, it is connected with described long pulling buckle axle；
When stirring described unblock shift fork, described long pulling buckle axle is jumped out in described groove, and described pull bar returns to initial position, and described locking member unlocks and resets。
It is further preferred that described locking device is provided with the guide rail moved for described stretcher。
By stretcher locking device provided by the invention, it is possible to realize stable locking and the auto lock of stretcher。The locking device of the present invention can pass through lifting piece and stretcher front axle and stretcher locating shaft (are divided by locking member respectively with the direction of motion of stretcher, stretcher locating shaft and stretcher hind axle) carry out screens and locking, realize the two ends of stretcher are stably locked, be prevented effectively from moving and rocking of stretcher。Simultaneously, stretcher can also be carried out auto lock when application by the present invention, specifically, when stretcher is placed on stretcher, drive mechanism can drive lifting piece to move to stretcher front axle position, lifting piece is connected with stretcher front axle, drive mechanism adverse movement afterwards, lifting piece pulls stretcher to enter position, after lifting piece pulls stretcher to move to precalculated position, the motion of pulling buckle integrated morphology can be started, and stretcher locating shaft is locked by startup locking member start further, it is achieved thereby that the auto lock of stretcher。And when needing the locking state releasing stretcher, starting the reset startup structure being connected with pulling buckle integrated morphology can make pulling buckle integrated morphology reset and unlock locking member, and then stretcher is made to unlock, simple to operation。
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is a kind of embodiment of present invention structural representation before stretcher enters position；
Fig. 2 is the structural representation that a kind of embodiment of the present invention is locked after stretcher enters position；
Fig. 3 is the close-up schematic view of Fig. 2；
Fig. 4 is the close-up schematic view of Fig. 2；
Fig. 5 is the structural representation that a kind of embodiment of the present invention is in locking state at stretcher；
Fig. 6 is a kind of embodiment of present invention structural representation after stretcher unlocks。
Drawing reference numeral illustrates:
Driven sprocket (1), chain (2), chain guard (3), stretcher (4), fixed rotating shaft (5), locking bail (6), pulling buckle rotating shaft (7), pulling buckle (8), pull bar (9), reducing motor (10), long pulling buckle axle (11), pushing block (12), unlock shift fork (13), lift hook (14), drive sprocket (15)；Stretcher locating shaft (16), starts the position (17) of pulling buckle integrated morphology, groove (18)。
Detailed description of the invention
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings。
In embodiments of the invention one, locking device includes:
Can the drive mechanism of transmitted in both directions, this drive mechanism can forward transmission also can reverse drive, such as drive lifting piece move to stretcher front axle position and be connected it is locked with front axle when it rotates counterclockwise, after connection, drive mechanism rotates clockwise, and then drive lifting piece to pull stretcher to enter position, so it is easy to lifting piece and changes its present position and carry out different action；
Dynamic structure, it is connected with described drive mechanism, for providing power for described drive mechanism；
Stretcher, it is movably set in above described drive mechanism, and the direction of motion is parallel with the transmission direction of described drive mechanism, is used for placing stretcher and moving together with stretcher；
Locking mechanism, it includes the lifting piece for stretcher front axle is locked and the locking member for stretcher locating shaft (i.e. stretcher hind axle) is locked, and to realize the two ends of stretcher are locked respectively, locking effect is more preferably；Described lifting piece is fixedly installed on described drive mechanism, and changes position with the motion of described drive mechanism；Described locking member is connected with described lifting piece by pulling buckle integrated morphology；Pulling buckle integrated morphology can be the integrated of multiple structure, such as jointed connecting rod structure or combination pulling buckle structure, after lifting piece moves to precalculated position, jointed connecting rod structure or combination pulling buckle structure is promoted to drive locking member move to stretcher locating shaft position and lock；
Resetting and start structure, it is connected with described pulling buckle integrated morphology, resets for starting the unblock of described locking member by described pulling buckle integrated morphology；The startup structure that resets can be shift fork or other unlocking structures；
When stretcher is placed on stretcher and need to be withdrawn into position by described drive mechanism and lock, described lifting piece is driven to the front axle position of stretcher by described drive mechanism and is attached front axle is locked with this front axle, described lifting piece pulls stretcher to move to precalculated position by pulling front axle, simultaneously in motor process, described lifting piece starts described locking member by described pulling buckle integrated morphology and stretcher locating shaft is locked。
It should be noted that the front wheels and rear wheels of stretcher divides with its direction of motion, as it is shown in figure 1, the wheel on right side is stretcher front-wheel, left side is stretcher trailing wheel。Meanwhile, locking device needs first pull-out stretcher being placed on stretcher by stretcher in use, as it is shown in figure 1, and then drive mechanism drive lifting piece move to the front wheel positions of stretcher and be connected with front axle, rear lifting piece pulls stretcher to enter position。Stretcher motion institute movement position extremely close enter the position come to a complete stop behind position, position 17 place with reference to the startup pulling buckle integrated morphology in Fig. 4, lifting piece promotes pulling buckle integrated morphology to start in this position, and drives locking member to move to operating position, and stretcher locating shaft is locked。Meanwhile, after stretcher enters position, distance between lifting piece and locking member is determined according to the distance between the front wheels and rear wheels of stretcher, it is preferable that lifting piece, locking member position-adjustable, in order to be suitable for the stretcher of different size specification。
In embodiments of the invention two, drive mechanism can be preferably used the combinative structure of sprocket wheel chain, it is possible to use belt pulley combination structure。With reference to Fig. 2,3,4,5,6, sprocket wheel chain combinative structure includes drive sprocket 15, driven sprocket 1 and chain 2；Drive sprocket is connected with dynamic structure, and drive sprocket is connected with driven sprocket by chain；Lifting piece is fixedly installed on chain。Belt pulley combination structure is also similar with sprocket wheel chain combinative structure。Wherein, dynamic structure is preferably reducing motor 10。
In embodiments of the invention three, locking member enters, from initial position, the operating position that stretcher locating shaft is locked after being started by pulling buckle integrated morphology；With reference to Fig. 1, when locking member is in initial position, locking member is paralleled with the direction of motion of stretcher, namely parallels with chain, so can not be exposed to the motion affecting stretcher front-wheel outside chain guard when initial position, it is ensured that smooth and easy the moving to of stretcher will enter the state of position；And when locking member is in operating position, with reference to Fig. 3, locking member (i.e. locking bail 6 in figure) is perpendicular with the direction of motion of stretcher, namely perpendicular with chain 2, also perpendicular with the direction of motion of stretcher locating shaft, it is simple to locating shaft is locked。
In embodiments of the invention four, with reference to Fig. 4, lifting piece can be lift hook 14, and locking member can be locking bail 6, it is simple to lock with the front-wheel of stretcher, trailing wheel hasp, simple to operate。
In embodiments of the invention five, with reference to Fig. 2,3,4,5,6, pulling buckle integrated morphology includes pull bar 9, pulling buckle 8, long pulling buckle axle 11, pulling buckle rotating shaft 7；Pull bar 9 is arranged along the transmission direction of drive mechanism, and the two ends of pull bar 9 are arranged with a pulling buckle 8, two pulling buckles 8 are connected with long pulling buckle axle 11 and pulling buckle rotating shaft 7 respectively, what be wherein connected with long pulling buckle axle 7 is the first pulling buckle (in figure right side), what be connected with pulling buckle rotating shaft 11 is the second pulling buckle (in figure left side), and the second pulling buckle is connected with locking member by pulling buckle rotating shaft 7；And long pulling buckle axle 11 is positioned at after stretcher enters position the position near stretcher front-wheel, stretcher persistent movement is driven to carry out in the process of position at lifting piece (the lift hook 14 in such as figure), long pulling buckle axle 11 started by lifting piece and motion in a predetermined interval, short position (long pulling buckle axle 11 is promoted by lifting piece and moves to the right always, as long as the predetermined interval, short position of the motion of long pulling buckle axle 11 is to drive locking member to move to the operating position that stretcher locating shaft is locked from initial position, such as it is pulled to the operating position vertical with chain 2 from the initial position parallel with chain 2), so that long pulling buckle axle 11 is by pulling buckle 8, pull bar 9, pulling buckle rotating shaft 7 drives locking member (locking bail 6 in such as figure) to move to the operating position that stretcher locating shaft is locked from initial position。Specifically, when long pulling buckle axle 11 is to, after the motion of the position of stretcher front-wheel, pulling pull bar 9 by the first pulling buckle, and pull the second pulling buckle motion by pull bar 9 further, and drive pulling buckle rotating shaft 7 to pull locking member to move, so that locking member enters operating position and stretcher locating shaft is locked。Preferably, the locking device of the present invention is on (the right side in figure, least significant end position that long pulling buckle axle 11 moves, the such as position at groove 18 place) place arranges a capture configurations, when long pulling buckle axle 11 moves to least significant end, structure of the lock bit carries out lock-bit, and locking member is driven to operating position and stretcher locating shaft is locked。Capture configurations is preferably mechanical type screens key or groove, for instance when for groove, and long pulling buckle axle 11 falls into groove by screens after moving to groove 18 place in figure。Preferably, with reference to Fig. 4, lifting piece includes the stretching structure (such as lift hook 14) for stretcher front axle is locked and the pushing block 12 being arranged on stretching structure；When stretching structure by stretcher front axle drive stretcher persistent movement carry out into time, long pulling buckle axle 11 is promoted by pushing block 12 and interval along the direction of motion of a stretcher short position of moving, until it is of the lock bit to move to capture configurations (groove 18), so that locking member is driven moves to, from initial position, the operating position that stretcher locating shaft is locked；After long pulling buckle axle 11 is of the lock bit, stretching structure drives stretcher persistent movement, until stretcher locating shaft is locked by locking member。It it should be understood that, when locking member (locking bail 6) enters behind the operating position locked, likely stretcher locating shaft does not contact with locking member, or contact but be not locked, stretching structure is needed to drive stretcher to be further continued for motion one segment distance, so that locating shaft is stably locked by locking member, now, stretching structure be also locked part restriction do not continue to motion。Preferably, the startup structure that resets is connected with capture configurations, and for releasing the capture configurations locking to long pulling buckle axle upon actuation。Referring for example to Fig. 5, resetting and start structure for unlocking shift fork 13, it is connected with long pulling buckle axle 11；When stirring unblock shift fork 13, long pulling buckle axle 11 is jumped out in groove 18, and pull bar 9 returns to initial position, and locking member unlocks and resets。Preferably, locking device is additionally provided with the guide rail for stretcher 4 motion。
In a complete embodiment of the present invention, with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, locking device includes driven sprocket 1, chain 2, chain guard 3, stretcher 4, fixed rotating shaft 5, locking bail 6, pulling buckle rotating shaft 7, pulling buckle 8, pull bar 9, reducing motor 10, long pulling buckle axle 11, pushing block 12, unlock shift fork 13, lift hook 14, drive sprocket 15, stretcher locating shaft 16。Wherein, reducing motor 10 provides power for drive sprocket 15 so that it is ensure that and gently operates。Lift hook 14 is fixed on chain 2, it is possible to move horizontally with chain。The motion between the position 17 (namely lift hook starts the position of long pulling buckle axle) and the groove 18 that start pulling buckle integrated morphology of long pulling buckle axle 11, and the motion of pull bar 9 is driven by pulling buckle 8。Pulling buckle rotating shaft 7 on pull bar 9 drives locking bail 6 to realize auto lock。Locking bail 6 is parallel with chain 2 when initial position, when the operating position that stretcher locating shaft 16 is locked, vertical with chain 2, namely vertical with the direction of motion of stretcher。(with reference to Fig. 1) after stretcher is carried on stretcher 4, reducing motor 10 starts running so that chain 2 rotates counterclockwise with drive sprocket 15, and the lift hook 14 being fixed on chain 2 moves therewith, after arriving the position of stretcher front axle, button holds stretcher front axle。Clockwise movement (adverse movement) is started after drive sprocket 15, lift the movement that hook 14 drives stretcher mild with chain 2, move to the position 17 (namely lift hook starts the position of long pulling buckle axle) starting pulling buckle integrated morphology, lift hook 14 promotes long pulling buckle axle 11 to move to the right, long pulling buckle axle 11 drives pull bar 9 to move by pulling buckle 8, drive locking bail 6 to lift up thereby through pulling buckle rotating shaft 7, make locking bail 6 enter operating position, and vertical with the direction of motion of stretcher。When long pulling buckle axle 11 moves to groove location 18, locking bail 6 enters operating position, and lift hook 14 is also to continue with reach, now, locking bail 6 is constantly in the duty vertical with the direction of motion of stretcher, until stretcher locating shaft 16 and locking bail 6 catch on, the trailing wheel of stretcher is locked。Now, whole locking work is completed。Afterwards, as long as pressing unblock shift fork 13, long pulling buckle axle 11 is jumped out from groove location 18, thus pull bar 9 is returned to initial position, locking bail 6 is returned to initial not locking state。
It should be noted that, above-described embodiment all can independent assortment as required。The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention。
Claims (8)
1. a stretcher locking device, it is characterised in that including:
Can the drive mechanism of transmitted in both directions；
Dynamic structure, it is connected with described drive mechanism, for providing power for described drive mechanism；
Stretcher, it is movably set in above described drive mechanism, and the direction of motion is parallel with the transmission direction of described drive mechanism, is used for placing stretcher and moving together with stretcher；
Locking mechanism, it includes the lifting piece for stretcher front axle is locked and the locking member for stretcher locating shaft is locked；Described lifting piece is fixedly installed on described drive mechanism, and changes position with the motion of described drive mechanism；Described locking member is connected with described lifting piece by pulling buckle integrated morphology；
Resetting and start structure, it is connected with described pulling buckle integrated morphology, resets for starting the unblock of described locking member by described pulling buckle integrated morphology；
When stretcher is placed on stretcher and need to be withdrawn into position by described drive mechanism and lock, described lifting piece is driven to the front wheel positions of stretcher by described drive mechanism and is attached front axle is locked with front axle, described lifting piece is by pulling this front axle to pull stretcher to move, and stretcher locating shaft is locked by described lifting piece by the described pulling buckle integrated morphology described locking member of startup simultaneously；
Described drive mechanism includes drive sprocket, driven sprocket and chain；
Described drive sprocket is connected with described dynamic structure, and described drive sprocket is connected with described driven sprocket by described chain；
Described lifting piece is fixedly installed on described chain；
Described locking member enters, from initial position, the operating position that stretcher locating shaft is locked after being started by described pulling buckle integrated morphology；
When described locking member is in initial position, described locking member is paralleled with the direction of motion of stretcher；
When described locking member is in operating position, described locking member is perpendicular with the direction of motion of stretcher。
2. stretcher locking device according to claim 1, it is characterised in that:
Described dynamic structure is reducing motor。
3. stretcher locking device according to claim 1, it is characterised in that:
Described lifting piece is lift hook；
And/or
Described locking member is locking bail。
4. stretcher locking device according to claim 1, it is characterised in that:
Described pulling buckle integrated morphology includes pull bar, pulling buckle, long pulling buckle axle, pulling buckle rotating shaft；
Described pull bar is arranged along the transmission direction of described drive mechanism, and the two ends of described pull bar are arranged with a described pulling buckle, two described pulling buckles are connected with described long pulling buckle axle and described pulling buckle rotating shaft respectively, what be wherein connected with described long pulling buckle axle is the first pulling buckle, what be connected with described pulling buckle rotating shaft is the second pulling buckle, and described second pulling buckle is connected with described locking member by described pulling buckle rotating shaft；
Stretcher persistent movement is driven to carry out in the process of position at described lifting piece, described long pulling buckle axle is started by described lifting piece and motion in a predetermined interval, short position, so that described long pulling buckle axle drives described locking member to move to the operating position that stretcher locating shaft is locked from initial position by the first pulling buckle, the second pulling buckle, pull bar, pulling buckle rotating shaft。
5. stretcher locking device according to claim 4, it is characterised in that:
The terminal position place that described locking device moves at described long pulling buckle axle arranges a capture configurations, is carried out lock-bit when described long pulling buckle axle moves to this capture configurations place by described capture configurations。
6. stretcher locking device according to claim 5, it is characterised in that:
Described capture configurations is a groove, and described long pulling buckle axle moves to this groove and of the lock bit；
And/or
Described lifting piece includes the stretching structure for stretcher front axle is locked and the pushing block being arranged on described stretching structure；When described stretching structure by stretcher front axle drive stretcher persistent movement carry out into time, described long pulling buckle axle is promoted by described pushing block and interval along the direction of motion of a stretcher short position of moving, until it is of the lock bit to move to described capture configurations, so that described locking member is driven moves to, from initial position, the operating position that stretcher locating shaft is locked；After described long pulling buckle axle is of the lock bit, described stretching structure drives stretcher persistent movement, until stretcher locating shaft is locked by described locking member；
And/or
The described startup structure that resets is connected with described capture configurations, and for releasing the locking to described long pulling buckle axle of the described capture configurations upon actuation。
7. stretcher locking device according to claim 6, it is characterised in that:
Described reset starts structure for unlocking shift fork, and it is connected with described long pulling buckle axle；
When stirring described unblock shift fork, described long pulling buckle axle is jumped out in described groove, and described pull bar returns to initial position, and described locking member unlocks and resets。
8. the stretcher locking device according to any one of claim 1-7, it is characterised in that:
Described locking device is provided with the guide rail moved for described stretcher。
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| CN201410487583.5A CN104188768B (en) | 2014-09-23 | 2014-09-23 | A kind of stretcher locking device |
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| CN201410487583.5A CN104188768B (en) | 2014-09-23 | 2014-09-23 | A kind of stretcher locking device |
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| CN104188768A CN104188768A (en) | 2014-12-10 |
| CN104188768B true CN104188768B (en) | 2016-06-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105748214B (en) * | 2016-04-11 | 2018-06-05 | 上海新纪元机器人有限公司 | Locking device applied to stretcher |
| CN106389018B (en) * | 2016-11-10 | 2017-10-31 | 航天科工智能机器人有限责任公司 | Medical scoop stretcher transfer car(buggy) |
| CN111700740B (en) * | 2020-06-12 | 2025-03-07 | 上海新纪元机器人有限公司 | A stretcher bed getting on and off device and a stretcher bed with automatic getting on and off |
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| DE2433144A1 (en) * | 1974-07-10 | 1976-01-29 | Binz & Co | DEVICE FOR LOCKING STRETCHERS |
| US4064574A (en) * | 1974-11-09 | 1977-12-27 | Alois Schnitzler | Stretcher |
| US4037871A (en) * | 1976-04-23 | 1977-07-26 | Ferno-Washington, Inc. | Multiple purpose ambulance cot with removable stretcher top |
| EP0128845A2 (en) * | 1983-06-09 | 1984-12-19 | René Baboulin | Stretcher fastening hook for an ambulance |
| US5205601A (en) * | 1991-08-30 | 1993-04-27 | Ferno-Washington, Inc. | Ambulance lock |
| CN1266673A (en) * | 1999-03-10 | 2000-09-20 | 株式会社三角工具加工 | Locking device |
| CN2848199Y (en) * | 2005-11-29 | 2006-12-20 | 沈阳华晨金杯汽车有限公司 | Electrical stretcher sliding way locking mechanism |
| CN101342106A (en) * | 2008-07-18 | 2009-01-14 | 张家港市腾达机械制造有限公司 | Unlocking apparatus of automatic stretcher |
| CN102481217A (en) * | 2009-07-10 | 2012-05-30 | 费诺-华盛顿公司 | Stretcher support system for a medical processing unit and method of using same |
| CN202801978U (en) * | 2012-10-08 | 2013-03-20 | 江苏日新医疗设备有限公司 | Ambulance stretcher landing leg folding latching mechanism |
| CN102961221A (en) * | 2012-12-17 | 2013-03-13 | 江苏日新医疗设备有限公司 | Stretcher compartment |
| CN204050068U (en) * | 2014-09-23 | 2014-12-31 | 宁波Gqy视讯股份有限公司 | A kind of locking device being applied to stretcher |
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| Publication number | Publication date |
|---|---|
| CN104188768A (en) | 2014-12-10 |
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