TWI556808B - Electric vehicle for carrying and moving hospital bed - Google Patents

Description

Electric vehicle with transferable bed

The present invention relates to an electric vehicle for a transferable bed, and more particularly to a structure for an electric vehicle that can carry a hospital bed to a desired location and is equipped with medical equipment.

Please refer to China's No. 360532 invention patent case, which is a device with a ward upgrade and easy transportation of patients, a movable care cart and a pressure regulator; it is used to enable a ward to be obtained from a general ward Upgrade to an intensive care unit and allow a patient on the bed to be transferred. The device includes a head wall that is mounted on one of the walls of the ward. The head wall includes an electrical outlet, a gas supply outlet, and a hospital bed placement section. The device also includes a care cart comprising a base having a plurality of casters, a device rack attached to the base, a protective device placed on the equipment rack, and a link To the medical use of the device a gas manifold, a gas supply line, configured to connect the medical gas manifold to a medical gas outlet of the head wall and connect the manifold when the nursing cart is located in the ward A mechanism for a movable gas supply, wherein the gas supply is attached to the care cart during transfer. The device further includes a battery coupled to the base, and a power cord, wherein the power cord is inserted into an electrical outlet in the head wall to charge the battery, and when the care cart is in the ward Provide power to the care device. The battery provides an uninterrupted power supply to the care device when the power cord is removed for transport. The care cart can be moved into the ward and installed adjacent to the hospital bed and the head wall to lift the ward to an intensive care unit. The care cart also includes a latching member for attaching the care cart to the hospital bed to provide uninterrupted power and medical gas to the patient's care equipment during the transport.

However, the nursing cart is manually pushed and displaced, so it is labor-intensive and difficult to implement; in addition, the nursing cart and the hospital bed are connected by a latching member, but because of the care The cart and the bed are located on the side facing the hospital bed, so that when the operating bed is positioned with the nursing cart, the medical staff must be displaced to the side of the nursing cart, after completing the articulation and positioning operation, Returning to the end of the care cart, the shifting of the care cart and the bed can be carried out, so that the operation is quite inconvenient; and the care cart can no longer expand the rack of the device, so that the medical staff cannot be cared for. More medical equipment is assembled on the cart.

SUMMARY OF THE INVENTION The main object of the present invention is to provide an electric vehicle that electrically drives a transfer bed to make the transfer of the bed more labor-saving and fast.

Another main object of the present invention is to facilitate the medical personnel to directly control the connection between the electric vehicle and the hospital bed through the control side of the fastening group provided on the standing side of the electric vehicle.

Still another primary object of the present invention is to enable the expansion of the fixture carrier to enable the electric vehicle to carry more medical equipment.

Another main object of the present invention is to prevent the vibration of the hospital bed and slow down the discomfort of the patient during the process of transferring the hospital bed through the installed shock absorber.

The above main objects and effects of the present invention are achieved by the following specific technical means: An electric vehicle capable of transferring a bed, the electric vehicle comprising a skeleton, at least one power group, at least one fastening group and an electric control device; the skeleton has a carrying platform, and the two sides of the carrying platform are fixed a power strut comprising: at least one electric motor, two driving wheels and two rotating wheels, the electric motor is fixed to the carrying platform, the output shaft of the electric motor drives the two driving wheels, and the two driving wheels are shared with the two rotating wheels Supporting the entire electric vehicle; the fastening unit is disposed between the two pillars of the skeleton, and includes a triggering member and a clamping jaw, the clamping jaw having a first clamping piece and a second clamping piece, the second clamping piece The first clip is controlled to move away from or close to the trigger member; the electronic control device is electrically connected to the electric motor to control the operation and stop of the electric motor.

According to this, the electric vehicle can be transferred to the front end or the rear end of the bed, and the second clip of the gripper is controlled to move away from the first clip by the trigger member, and the first and second clips are inserted into the bed frame of the bed. After the sheets are in between, the trigger member is operated to interlock the second clip to approach the first clip, and thereby the clip bed frame is clamped and integrated with the electric vehicle, and the electric control device can be operated at this time. The electric motor runs to drive the driving wheel to achieve the purpose of transferring the bed through the electric vehicle, and the patient can still be well protected while the bed is being transferred.

The electric vehicle of the transferable bed as described above, wherein the two pillar surfaces of the skeleton are provided with grooves corresponding to each other, and the two joint seats are inserted into the grooves through the fasteners, and the two joint seats are respectively set. On the two pillars, a horizontal column is disposed between the two joints, and the horizontal pillars are fixedly fastened to one end of the first clip of the fixed group, and the triggering members are respectively pivotally connected to the first clip and the linking member by different axes. When the position of the trigger member is changed by pivoting the pivoting member and the first clip, the second clip can be moved closer to or away from the first clip via the linking member.

The electric vehicle of the transferable bed as described above, wherein the cross column is provided with a groove on the surface thereof, and the first clip is provided with a plurality of locking holes for the fastener to pass through different locks on the first clip After the hole is attached and locked into the groove, the distance between the entire fastening group and the horizontal column can be changed to achieve the best matching position of the fastening group and the hospital bed.

The electric vehicle of the transferable bed as described above, wherein the linking member comprises a distance adjusting component, and the distance adjusting assembly is used to adjust the distance between the first and second clips to meet the thickness of the bed frame.

The electric vehicle of the transferable bed as described above, wherein the distance adjusting component comprises a screw hole located on the linking member, a screw hole on the second clip, and the two ends are respectively provided with positive and negative threads and are respectively screwed on a screw hole on the screwing hole of the linking member and a screw hole on the second clamping piece and a nut respectively screwed on the positive and negative threads of the screw hole outside the screw hole are screwed on the screw through the adjusting nut Position, change the overall length of the linkage to adjust the distance between the first and second clips to meet the thickness of the bed frame.

An electric vehicle capable of transferring a bed as described above, wherein at least one gas pressure bar is disposed between the carrying platform and the horizontal column, and an operating member is disposed on the piston rod end of the gas pressure bar, and the air pressure bar is operated by operating the operating member The piston rod is protruded or retracted, and the control horizontal column is disposed at a height position between the two pillars, in response to the height of the bed bracket.

The electric vehicle of the transferable bed as described above, wherein a shock absorber is arranged in the gas pressure bar to absorb the vibration force generated when the bed is displaced, and the discomfort during the patient transfer is slowed down, and at the same time, the ground is Uneven.

The electric vehicle of the transferable bed as described above, wherein a cross bar is further disposed between the two pillars of the skeleton, and the two ends of the crossbar are positioned in the groove of the bracket after being inserted through the fastener On the crossbar, there is a pylon for hooking the drip bottle.

The electric vehicle of the transferable bed as described above, wherein the two ends of the skeleton are respectively locked with a first end of a first pivoting rod, and the second end of the first pivoting rod is pivotally connected to a supporting plate At one end of the side, the other end of the side of the carrier is pivotally connected to the second end of a second pivoting rod, and the first end of the second pivoting rod is inserted through a screw to lock into the groove of the pillar. At the slot, By changing the position of the screw lock relative to the locking groove, it is possible to change the state in which the carrier is laid flat or in an upright folded state.

The electric vehicle of the transferable bed as described above, wherein each of the two connecting seats is provided with a handle for facilitating the hand grip of the medical staff.

An electric vehicle for a transferable bed as described above, wherein the stage is equipped with a separate power supply unit and medical equipment such as an oxygen cylinder.

The electric vehicle of the transferable bed as described above, wherein the electric vehicle further comprises an electric control device comprising a controller, a forward/reverse switch, an electromagnetic control switch, an emergency stop switch and a Charging detection circuit; all operating device information is stored in the controller, when the forward/reverse switch transmits a signal to the controller, analogously converts the digital data, and then sends a forward/backward command to the power group to execute the phase Corresponding driving action; in the case of an emergency in the electric vehicle driving, the controller can be forced to stop the operation of the power group by pressing the emergency stop switch; the electromagnetic control switch controls the separation between the output shaft of the electric motor and the two driving wheels In the state of separation, the driving wheel is in an idling state, and the electric vehicle can be manually moved to fine-tune the position of the hospital bed so that the medical device cannot be moved; the charging detection circuit detects that the electric vehicle is in When the power supply unit is charged, the power unit is stopped by the controller, and the electric vehicle stops driving, and As a mechanism to prevent the misuse of the operator.

(1)‧‧‧ skeleton

(11)‧‧‧ Carrying platform

(12) ‧‧‧ pillar

(121) ‧‧‧ trench

(13) ‧‧‧ joints

(131)‧‧‧Hands

(14) ‧ ‧ horizontal columns

(141) ‧‧‧ Groove

(15)‧‧‧ gas pressure rod

(151)‧‧‧Piston rod

(16)‧‧‧Operating parts

(17) ‧‧‧ Shock absorbers

(18)‧‧‧ crossbar

(19)‧‧‧Lock Firmware

(10)‧‧‧ 架架

(2) ‧‧‧Power Group

(21)‧‧‧Electric motor

(22)‧‧‧Drive wheel

(23) ‧ ‧ reels

(3) ‧‧‧ fastening group

(31)‧‧‧Removable parts

(32)‧‧‧ linkages

(321) ‧ ‧ distance adjustment components

(322)‧‧‧ screw holes

(323)‧‧‧ screw holes

(324)‧‧‧ screw

(325)‧‧‧ Nuts

(326)‧‧‧ Nuts

(33)‧‧‧Claws

(331)‧‧‧First clip

(332)‧‧‧Second clip

(334)‧‧‧Locked holes

(335)‧‧‧Lock Firmware

(4) ‧‧‧Electric control device

(41) ‧ ‧ controller

(42)‧‧‧Forward/reverse switch

(43)‧‧‧Electromagnetic control switch

(44) ‧‧‧Emergency stop switch

(45) ‧‧‧Charge detection circuit

(5) ‧ ‧ beds

(51)‧‧‧ Bed frame

(61)‧‧‧First pivot rod

(62) ‧‧‧ board

(63)‧‧‧Second pivot lever

(64)‧‧‧Spins

(A)‧‧‧Locker

(7)‧‧‧Power supply unit

(8) ‧‧‧ drip bottle

First: a perspective view of one of the electric vehicles of the transferable bed of the present invention

Second figure: a perspective view of another direction of the electric vehicle of the transferable bed of the present invention

The third figure: a partially enlarged perspective view of one direction of the electric vehicle of the transferable bed of the present invention

Figure 4: Schematic diagram of the deployment of the electric vehicle of the transferable bed of the present invention

Figure 5: Schematic diagram of the electric vehicle of the transferable bed of the present invention when the carrier plate is folded

Fig. 6 is a perspective view showing the connection between the electric vehicle and the hospital bed of the transferable bed of the present invention

Figure 7 is a three-dimensional combination appearance of the fastening group of the electric vehicle of the transferable bed of the present invention

Figure 8 is a cross-sectional view showing the combination of the fastening group of the electric vehicle of the transferable bed of the present invention

Ninth view: a three-dimensional combined appearance of the fastening group of the electric vehicle with the transferable bed of the present invention in adjusting the distance between the first and second clips

The tenth figure: the block diagram of the electronic control device of the electric vehicle capable of transferring the bed of the present invention

For a more complete and clear disclosure of the technical content, the purpose of the invention and the effects thereof achieved by the present invention, it is explained in detail below, and please refer to the drawings and drawings: Please refer to the first and second figures. The electric vehicle of the transferable bed of the present invention comprises a skeleton (1), a power group (2), a second fastening group (3) and an electronic control device (4); Wherein: the skeleton (1) has a carrying platform (11), and one of the two sides of the carrying platform (11) is fixed with a pillar (12), and the surface of the two pillars (12) is provided with grooves corresponding to each other (121). The second connecting seat (13) is inserted into the groove (121) through the locking member (A), and the two connecting seats (13) are respectively disposed on the two supporting legs (12), and the second connecting seat (13) A cross column (14) is further disposed, and the horizontal column (14) is also provided with a groove (141), and at least a gas pressure bar (15) is disposed between the carrying platform (11) and the horizontal column (14). An operating member (16) is disposed at a piston rod (151) end of the gas pressure bar (15), and the piston rod (151) of the gas pressure bar (15) is protruded or retracted by operating the operating member (16), and is controlled. The horizontal column (14) is set at a height position between the two pillars (12), and in response to the height of the bed (5) bracket (51), a shock absorber (17) is arranged in the gas pressure bar (15). Three maps], to absorb the vibration force generated when the bed is displaced, to slow down the discomfort of the patient during the transfer; and the two joints (13) A handle (131) is provided for the hand of the medical staff to be grasped. The carrying platform (11) is equipped with a separate power supply unit (7) for supplying the required power for various medical devices; the power group (2) includes a An electric motor (21), two driving wheels (22) and two rotating wheels (23), the electric motor (21) is fixed to the bottom of the carrying platform (11), and the output shaft of the electric motor (21) drives the two active Wheel (22), And the two driving wheels (22) and the two rotating wheels (23) jointly support the entire electric vehicle; the fastening group (3) (please refer to the third figure at the same time), is disposed on the two pillars of the skeleton (1) 12), comprising a triggering member (31), a linking member (32) and a clamping jaw (33), the clamping jaw (33) having a first clamping piece (331) and a second clamping piece (332) ), one end of the first clip (331) is fixed by a locking member (335) and locked into a groove (141) of the horizontal column (14), and the trigger member (31) has a different axis. The first clip (331) and the linking member (32) are respectively pivotally connected, and the position of the trigger member (31) is changed by pivoting the pivoting member (31) and the first clip (331). When the second clip (332) is linked to or away from the first clip (331) via the linkage (32); please refer to the seventh to ninth, the first clip (331) is provided with multiple locks A hole (334) is provided for the fastener (335) to pass through the different locking holes (334) of the first clip (331) and locked into the groove (141) of the horizontal column (14), which can be changed The entire fastening group (3) protrudes from the horizontal column (14) to achieve the best matching position of the fastening group (3) combined with the hospital bed; in addition, the linking member (32) includes a distance An adjustment component (321), the distance adjustment component (321) includes a screw hole (322) located on the linking member (32), a screw hole (323) on the second clamping piece (332), and the two ends are respectively provided with positive a screw (324) that is threadedly locked on the linking member (32) and a screw hole (324) of the screw hole (323) on the second clamping piece (332), and two screws respectively locked on the screw ( 324) Nuts (325) and (326) located on the positive and negative threads outside the two screw holes (322) and (323), by adjusting any nut (325) or (326) to lock the screw ( 324) on Position, change the overall length of the linking member (32), to adjust the distance between the first and second clips (331), (332) to meet the thickness of the bed frame; the electronic control device (4), Electrically connected to the electric motor (21), the operation and stop of the electric motor (21) can be controlled. Referring to FIG. 10 further, the electronic control device (4) includes a controller (41), a forward/reverse switch (42), an electromagnetic control switch (43), an emergency stop switch (44), and a charge detection. Measuring circuit (45); all operating device information is stored in the controller (41), when the forward/reverse switch (42) transmits a signal to the controller (41), analogously converting the digital data, and then Sending the forward/reverse command to the power group (2) to perform the corresponding driving action; and in the case of an emergency in the electric vehicle driving, the controller (41) can be forced to command the power group by pressing the emergency stop switch (44) (2) Stopping the operation; the electromagnetic control switch (43) controls the separation between the output shaft of the electric motor (21) and the two driving wheels (22), and when the state is in the off state, the driving wheel (22) is idling State, and the electric vehicle can be manually moved to fine-tune the position of the hospital bed to respond to the medical device that cannot be moved; the charging detection circuit (45) detects that the electric vehicle is in a state of charging the power supply unit (7). Then the controller (41) is controlled to stop the operation of the power unit (2), so that the electric vehicle stops. Driving, and thus become a mechanism to prevent operator misuse.

Accordingly, when the bed (5) is to be transferred (please refer to the sixth figure), the electric vehicle can be transferred to the front or rear end of the hospital bed (5), and the operating member (16) is operated to make the air pressure bar ( 15) The piston rod (151) protrudes out and interlocks the cross column (14) Ascending, then the second clip (332) of the gripping jaw (33) is moved away from the first clip (331) via the linking member (32) via the linking member (32), and then the cross column (14) is pressed down. The piston rod (151) of the compression gas pressure bar (15) is retracted, thereby moving the horizontal column (14) downward, and the bed frame (51) of the bed (5) enters the first clip (331) and the second clip ( After 332), the trigger member (31) is operated to link the second clip (332) to the first clip (331) via the linking member (32), and the bed frame is clamped to the bed (5). (51), the bed (5) is integrated with the electric vehicle, and the electric control device (4) can be operated to start the operation of the electric motor (21) to drive the driving wheel (22) to achieve the transfer through the electric vehicle. For the purpose of the bed (5), and while transferring the bed (5), the patient is still sustainably receiving good medical care.

Please refer to the first and fourth and fifth figures, the electric vehicle of the transferable bed as described above, wherein the first pivoting rod (61) of each of the two pillars (12) of the skeleton (1) is locked. At one end, the second end of the first pivoting rod (61) is pivotally connected to one end of a side of a carrier plate (62), and the other end of the side of the carrier plate (62) is further coupled to a second pivoting rod ( The second end of the second pivoting rod (63) is pivoted through a slot (121) of the second pivoting rod (63) and then locked into the groove (121) of the strut (12). The locking member (64) and changing the position of the locking member (64) relative to the locking groove (121) can be supported by the carrier plate (62) with the first pivoting lever (61) and the second pivoting lever ( 63) The connection relationship changes the state in which the carrier plate (62) is placed in a flat position for being placed or in an erected state, so that the medical staff can expand the space according to the situation (62) to increase the space for placing the medical device. Refer to the sixth figure, in addition to the skeleton (1) A cross bar (18) is further disposed between the two pillars (12), and the two ends of the crossbar (18) are positioned in the groove (121) of the post (12) through the locking member (19). A pylon (10) is arranged on the crossbar (18) for hooking the drip bottle (8).

The above is only a part of the embodiments of the present invention, and is not intended to limit the present invention. It is intended to be included in the scope of the present invention.

In summary, the embodiments of the present invention can achieve the expected use efficiency, and the specific technical means disclosed therein have not been seen in similar products, nor have they been disclosed before the application, and have completely complied with the patent law. The regulations and requirements, the application for invention patents in accordance with the law, and the application for review, and the grant of patents, are truly sensible.

(1)‧‧‧ skeleton

(11)‧‧‧ Carrying platform

(12) ‧‧‧ pillar

(121) ‧‧‧ trench

(13) ‧‧‧ joints

(131)‧‧‧Hands

(14) ‧ ‧ horizontal columns

(141) ‧‧‧ Groove

(15)‧‧‧ gas pressure rod

(151)‧‧‧Piston rod

(16)‧‧‧Operating parts

(22)‧‧‧Drive wheel

(23) ‧ ‧ reels

(3) ‧‧‧ fastening group

(31)‧‧‧Removable parts

(32)‧‧‧ linkages

(33)‧‧‧Claws

(331)‧‧‧First clip

(332)‧‧‧Second clip

(A)‧‧‧Locker

(4) ‧‧‧Electric control device

Claims (10)

An electric vehicle capable of transferring a bed, the electric vehicle comprising a skeleton, at least one power group, at least one fastening group and an electronic control device; wherein: the skeleton has a carrying platform, and the two sides of the carrying platform Fixing a pillar, and two transverse pillars are disposed between the pillars; the power group includes at least one electric motor, two driving wheels and two rotating wheels, the electric motor is fixed to the carrying platform, and the output shaft of the electric motor drives the two a driving wheel, the two driving wheels and the two rotating wheels jointly support the entire electric vehicle; the fastening and fixing group is disposed on the horizontal column between the two pillars of the skeleton, and comprises a triggering member and a clamping jaw, the clamp The claw has a first clip and a second clip, the second clip is controlled to move away from or close to the first clip; the electric control device is electrically connected to the electric motor to open and close the electric motor Running. The electric vehicle of the transferable bed according to claim 1, wherein the two pillar surfaces are provided with grooves corresponding to each other, and the two joint seats are inserted into the groove through the insertion of at least one fastener. The two connecting seats are respectively disposed on the two supporting legs, and each of the two connecting seats is provided with a handle. The horizontal connecting column is disposed between the two connecting seats, and the first clamping piece of the fastening group is fixed on the horizontal column. At one end, the trigger member is pivotally connected to the first clip and the linkage member respectively by different shafts, and the trigger member and the first clip pivot The connecting member is configured to pull the triggering member, and the second clamping piece can be connected to the first clamping piece via the linking member. The electric vehicle of the transferable bed according to claim 2, wherein at least one gas pressure bar is disposed between the load platform and the horizontal column, and the piston rod end of the gas pressure rod is assembled to enable An operating member for projecting or retracting the piston rod of the gas pressure rod controls the horizontal column to be disposed at a height position between the two pillars. An electric vehicle according to claim 3, wherein the air pressure bar is provided with a shock absorber capable of absorbing a shock force generated when the bed is displaced. The electric vehicle of the transferable bed according to any one of claims 1 to 4, wherein at least one crossbar is further disposed between the two pillars of the skeleton, and the two ends of the crossbar are transmitted through After the fastener is inserted, it is locked into the groove of the pillar, and a rack is arranged on the crossbar for hooking the drip bottle. The electric vehicle of the transferable bed according to any one of claims 1 to 4, wherein the first end of the first pivotal lever is locked to each of the two pillars of the skeleton, the first pivot The second end of the post is pivotally connected to one end of the side of the carrier, and the other end of the side of the carrier is pivotally connected to the second end of the second pivoting bar. The first of the second pivoting bar The end is locked by a screw and then locked into the groove of the pillar. The electric vehicle of the transferable bed according to any one of claims 1 to 4, wherein the carrier is equipped with a separate power supply unit. The electric vehicle of the transferable bed according to any one of claims 1 to 4, wherein the electric vehicle further comprises an electric control device, the electric control device comprising a controller and a forward/reverse switch An electromagnetic control switch, an emergency stop switch and a charge detection circuit; the controller is electrically connected to the forward/reverse switch, the forward/reverse switch, the electromagnetic control switch, the emergency stop switch and the charge detection circuit. The electric vehicle of the transferable bed according to the second aspect of the invention, wherein the cross column has a groove on the surface thereof, and the first clip is provided with a plurality of locking holes for the lock to be threaded with different locks. Attaching a hole and locking the groove changes the distance that the fastening group protrudes from the horizontal column. The electric vehicle of the transferable bed according to claim 2, wherein the linkage comprises a distance adjusting component capable of adjusting a distance between the first and second clips; the distance adjusting component comprises a screw hole on the linking member, a screw hole on the second clip, and two ends respectively provided with a screw thread and a screw thread respectively screwed onto the screw hole of the linking member and the screw hole of the second clip A nut that is screwed on the positive and negative threads outside the screw hole.