Automatic bottle changing device for transfusion
Technical Field
The invention relates to the field of medical equipment, in particular to an automatic bottle changing device for infusion.
Background
In hospital treatment work, infusion treatment takes effect quickly and is commonly used, but because a plurality of medicines cannot be mixed, the situation that a patient needs to infuse a plurality of bottles of liquid medicine often occurs. Generally, this situation requires the patient to find a nurse to replace the patient when the patient finds that his or her own liquid medicine is about to be completely delivered, and the nurse needs to check the medicine first and then change the medicine according to the different patients. If a plurality of patients need to change the dressing at the same time, the dressing is more disordered, the labor is wasted, and mistakes are easily made.
Disclosure of Invention
In order to solve the problem, the invention provides an automatic transfusion bottle changing device which can automatically change a transfusion bottle.
The invention provides an automatic transfusion bottle changing device which comprises a cross-shaped support 1, wherein the cross-shaped end part of the support 1 is respectively provided with a supporting plate 2, the supporting plate 2 is provided with a through hole for the opening end of a transfusion bottle to penetrate, the supporting plate 2 is provided with a transfusion bottle liquid level detection device, the lower side of the support 1 is provided with a plug-in mechanism 4 and a rotating mechanism 5, the plug-in mechanism 4 is linked with the rotating mechanism 5, the rotating mechanism 5 is linked with the support 1, and a transfusion tube of the transfusion bottle is arranged in the plug-in mechanism 4.
Preferably, the plugging mechanism 4 comprises a first motor 41, the first motor 41 is linked with a worm gear and worm assembly 43 through a bevel gear assembly 42, a worm in the worm gear and worm assembly 43 is coaxial with one bevel gear in the bevel gear assembly 42, a worm gear is coaxial with a lead screw 44, the lead screw 44 is in threaded connection with a clamp 45, and the clamp 45 clamps a bottle stopper puncture outfit at the end part of an infusion tube.
The first motor 41, the bevel gear combination 42, the worm and gear combination 43 and the lead screw 44 are all arranged on the plugging mechanism bracket 46.
Preferably, the worm and gear combination 43 is linked with a liquid stopping mechanism 47 arranged at the lower side thereof;
the liquid stopping mechanism 47 comprises a first gear 471 which is meshed with a worm wheel in the worm and gear combination 43, the first gear 471 is coaxial with a first conical friction wheel 472, the first conical friction wheel 472 is attached to a second conical friction wheel 473, the second conical friction wheel 473 is coaxial with a cam 474, the cam 474 is arranged in a liquid stopping shell 475, a turnover cover which can be opened is arranged on one side of the liquid stopping shell 475, and a hose part of an infusion tube penetrates through the liquid stopping shell 475. The hose is located inside the flip cover and contacts the cam 474.
Preferably, the rotating mechanism 5 comprises an escapement fork 51 and an escapement lever 52 corresponding to the escapement fork 51, the escapement lever 52 is arranged on the lower surface of each branch of the support 1, the escapement fork 51 comprises a U-shaped open end and a slot, the U-shaped open end corresponds to the escapement lever 52, a center shaft 3 is arranged at the center line of the support 1, the support 1 rotates by taking the center shaft 3 as the center, the slot of the escapement fork 51 is matched with the center shaft 3, and the lower part of the center shaft 3 passes through the slot and is attached to the inner side surface of the slot;
a small connecting rod 53 is arranged on the lower side of the escape fork 51, two ends of the small connecting rod 53 are provided with shaft rods, one end of the shaft rod is hinged with the middle part of the escape fork 51, the other end of the shaft rod is connected with a driven wheel 54, the driven wheel 54 is meshed with a driving wheel 55, and the driving wheel 55 is connected with an output shaft of a second motor 56; the driven pulley 54 is fixed to the turning mechanism bracket 57 by a shaft.
Preferably, the plugging mechanism bracket 46 and the rotating mechanism bracket 57 are fixedly connected into a whole, the bottom of the middle shaft 3 penetrates through the rotating mechanism bracket 57, and the second motor 56 is arranged in the rotating mechanism bracket 57; a contact switch 58 is arranged on the rotating mechanism bracket 57 and positioned at the lower side of the clamp 45.
Preferably, the clamp 45 comprises two clamping plates 451 which are arranged up and down, and a gap for placing a wing-shaped part of the infusion tube bottle stopper puncture outfit is reserved between the clamping plates 451; the clamping plate 451 is U-shaped, the open end of the clamping plate is hinged with a block 452, and the block 452 and the clamping plate 451 are fixed through a bolt 453; the stopper 452 is provided with a resilient pad 454 on the side that contacts the stopper piercer.
Preferably, a middle shaft 3 is arranged at the center line of the support 1, and the top of the middle shaft 3 is in threaded connection with a top cover 6; the upper side of the top cover 6 is provided with a hanging ring which is fixedly connected with the infusion support.
Preferably, vertical rods 48 are arranged on two sides of the screw rod 44, and through holes for the vertical rods 48 to pass through are arranged on two sides of threaded holes for connecting the clamp 45 and the screw rod 44.
Preferably, set up the through-hole that can supply the transfusion bottle open end to penetrate on the layer board 2, the through-hole downside sets up spiral cover 7, and spiral cover 7 is articulated with layer board 2 lower surface through the bull stick that sets up in its one side, sets up the cavity in the spiral cover 7, spiral cover 7 upper surface with the laminating of layer board 2 downside, the internal diameter more than or equal to of spiral cover 7 the external diameter of the through-hole of seting up on the layer board 2, correspond vertical setting driving lever 49 with the through-hole on the plug mechanism support 46.
Preferably, the supporting plate 2 is provided with a through hole for the open end of the transfusion bottle to penetrate through, and the edge of the lower side surface of the through hole is provided with a rubber ring.
Preferably, the upper surface of the supporting plate 2 is provided with a clamping plate 21 for clamping an infusion bottle, the edge of the clamping plate 21 is hinged with the edge of the supporting plate 2, and the hinged part is provided with a torsion spring.
Preferably, splint 21 divide into two parts about, and the lower splint downside is articulated with the edge of layer board 2, and the upside is articulated with the punch holder, and two articulated departments all set up the torsional spring.
Preferably, the lower side of the top cover 6 is provided with an upper bracket rotating along with the bracket 1, the upper bracket is provided with a pressing plate corresponding to the infusion bottle on the supporting plate 2, the pressing plate is hinged with the upper bracket, and the hinged part is provided with a torsion spring.
The embodiment of the invention has the beneficial effects that: the device has reasonable design, convenient use, automatic replacement of the infusion bottle, no need of manual treatment, extremely strong applicability, suitability for the existing infusion bottle and infusion apparatus, no need of additional transformation and reusability. The plug power of using the worm gear combination as bottle plug puncture ware has utilized the advantage of worm gear reduction gears, and the cooperation lead screw carries out the plug, and is whole more stable.
Drawings
Fig. 1 is a first perspective view of an embodiment of the present invention.
Fig. 2 is a second perspective view of the embodiment of the invention.
Fig. 3 is a perspective view three of the embodiment of the present invention.
Fig. 4 is a partially enlarged view a of fig. 1.
Fig. 5 is an enlarged view of the inserting and pulling mechanism and the rotating mechanism according to the embodiment of the present invention.
FIG. 6 is an enlarged view of the clamp according to the embodiment of the present invention.
Wherein, the reference number is 1, a bracket; 2. a support plate; 3. a middle shaft; 4. a plug-in mechanism; 41. a first motor; 42. a bevel gear combination; 43. a worm and gear combination; 44. a lead screw; 45. a clamp; 451. a splint; 452. a stopper; 46. a plug mechanism support; 47. a liquid stopping mechanism; 471. a first gear; 472. a first conical friction wheel; 473. a second conical friction wheel; 474. a cam; 475. a liquid stopping shell; 48. a vertical rod; 49. a deflector rod; 5. a rotating mechanism; 51. a pallet fork; 52. an escape lever; 53. a small connecting rod; 54. a driven wheel; 55. a driving wheel; 56. a second motor; 57. a rotating mechanism support; 58. a contact switch; 6. a top cover; 7. and (5) screwing a cover.
Detailed Description
Example 1
Referring to fig. 1 to 6, the invention provides an automatic transfusion bottle changing device, which comprises a cross-shaped bracket 1, wherein the cross-shaped end parts of the bracket 1 are respectively provided with a supporting plate 2, the supporting plate 2 is provided with a through hole for the opening end of a transfusion bottle to penetrate, the supporting plate 2 is provided with a transfusion bottle liquid level detection device, the lower side of the bracket 1 is provided with a plug-in mechanism 4 and a rotating mechanism 5, the plug-in mechanism 4 is linked with the rotating mechanism 5, the rotating mechanism 5 is linked with the bracket 1, and the transfusion tube of the transfusion bottle is arranged in the plug-in mechanism. Wherein, the liquid level detection device of the infusion bottle can adopt an infrared or ultrasonic detection device, which belongs to the prior art.
The plugging mechanism 4 comprises a first motor 41, the first motor 41 is linked with a worm and gear combination 43 through a bevel gear combination 42, a worm in the worm and gear combination 43 is coaxial with one bevel gear in the bevel gear combination 42, a worm gear is coaxial with a lead screw 44, the lead screw 44 is in threaded connection with a clamp 45, and the clamp 45 clamps a bottle stopper puncture outfit at the end part of an infusion tube.
The first motor 41, the bevel gear combination 42, the worm and gear combination 43 and the lead screw 44 are all arranged on the plugging mechanism bracket 46;
the worm and gear combination 43 is linked with a liquid stopping mechanism 47 arranged at the lower side thereof;
the liquid stopping mechanism 47 comprises a first gear 471 which is meshed with a worm wheel in the worm and gear combination 43, the first gear 471 is coaxial with a first conical friction wheel 472, the first conical friction wheel 472 is attached to a second conical friction wheel 473, the second conical friction wheel 473 is coaxial with a cam 474, the cam 474 is arranged in a liquid stopping shell 475, a turnover cover which can be opened is arranged on one side of the liquid stopping shell 475, and a hose part of an infusion tube penetrates through the liquid stopping shell 475. The hose is located inside the flip cover and contacts the cam 474. The conical friction wheel adopts a bevel gear structure, and a friction plate is changed from a gear.
The rotating mechanism 5 comprises an escapement fork 51 and an escapement lever 52 corresponding to the escapement fork 51, the escapement lever 52 is arranged on the lower surface of each branch of the support 1, the escapement fork 51 comprises a U-shaped opening end and a slotted hole, the U-shaped opening end corresponds to the escapement lever 52, a center shaft 3 is arranged at the central line of the support 1, the support 1 rotates by taking the center shaft 3 as the center, the slotted hole of the escapement fork 51 is matched with the center shaft 3, and the lower part of the center shaft 3 penetrates through the slotted hole and is attached to the inner side surface of the;
a small connecting rod 53 is arranged on the lower side of the escape fork 51, two ends of the small connecting rod 53 are provided with shaft rods, one end of the shaft rod is hinged with the middle part of the escape fork 51, the other end of the shaft rod is connected with a driven wheel 54, the driven wheel 54 is meshed with a driving wheel 55, and the driving wheel 55 is connected with an output shaft of a second motor 56; the driven pulley 54 is fixed to the turning mechanism bracket 57 by a shaft.
The plugging mechanism bracket 46 and the rotating mechanism bracket 57 are fixedly connected into a whole, the bottom of the middle shaft 3 penetrates through the rotating mechanism bracket 57, and the second motor 56 is arranged in the rotating mechanism bracket 57; a contact switch 58 is provided on the rotating mechanism bracket 57 at the lower side of the jig 45.
The clamp 45 comprises two clamping plates 451 which are arranged up and down, and a gap for placing the wing-shaped part of the infusion tube bottle stopper puncture outfit is reserved between the clamping plates 451; the clamping plate 451 is U-shaped, the open end of the clamping plate is hinged with a block 452, and the block 452 and the clamping plate 451 are fixed through a bolt 453; the stopper 452 is provided with a resilient pad 454 on the side that contacts the stopper piercer.
A middle shaft 3 is arranged at the center line of the bracket 1, and the top of the middle shaft 3 is in threaded connection with a top cover 6; the upper side of the top cover 6 is provided with a hanging ring which is fixedly connected with the infusion support.
Vertical rods 48 are arranged on two sides of the screw rod 44, and through holes for the vertical rods 48 to pass through are arranged on two sides of threaded holes formed in the connection of the clamp 45 and the screw rod 44.
Set up the through-hole that can supply the transfusion bottle open end to penetrate on the layer board 2, the through-hole downside sets up spiral cover 7, spiral cover 7 is articulated with layer board 2 lower surface through the bull stick that sets up in its one side, sets up the cavity in the spiral cover 7, and the laminating of spiral cover 7 upper surface and layer board 2 downside, the external diameter of the through-hole of seting up on the internal diameter more than or equal to layer board 2 of spiral cover 7, corresponds vertical setting driving lever 49 with the through-hole on the plug mechanism support 46.
The supporting plate 2 is provided with a through hole for the open end of the transfusion bottle to penetrate through, and the edge of the lower side surface of the through hole is provided with a rubber ring.
The upper surface of the supporting plate 2 is provided with a clamping plate 21 for clamping an infusion bottle, the edge of the clamping plate 21 is hinged with the edge of the supporting plate 2, and the hinged part is provided with a torsion spring.
The splint 21 is divided into an upper part and a lower part, the lower side of the lower splint is hinged with the edge of the supporting plate 2, the upper side of the lower splint is hinged with the upper splint, and the two hinged parts are provided with torsion springs.
When the device works, the top cover 6 is unscrewed to separate the top cover from the central shaft 3, then a sterilized alcohol cotton ball is put into the screw cover 7, an infusion bottle to be used is put on the supporting plate 2, the opening end of the infusion bottle is put into the through hole of the supporting plate 2, the top cover 6 is put well again, and the top cover 6 is fixed on the infusion support, so that the infusion support does not need to be in a specific shape, and the device can be fixed. The infusion tube for infusion is arranged at the corresponding position, the bottle stopper puncture outfit is arranged in the clamp 45, and the hose is arranged in the liquid stopping mechanism 47.
When the liquid level detection device on the supporting plate 2 detects that the liquid level in the infusion bottle is insufficient, the first motor 41 is triggered to start to operate, the first motor 41 drives the worm in the worm and gear combination 43 to rotate through the bevel gear combination 42, the worm transmits force to the worm gear, the worm gear enables the clamp 45 in threaded connection with the screw 44 to move downwards through rotating the screw 44, the clamp 45 clamps the bottle stopper puncture outfit and slowly pulls out the bottle stopper puncture outfit, in the process, the worm gear drives the first gear 471 in the liquid stopping mechanism 47 to rotate, so that the conical friction wheel 472 enables the conical friction wheel 473 to drive the cam 474 to rotate through friction force, under the extrusion of the cam 474, the hose of the infusion tube is extruded, and the liquid in the infusion tube gradually stops flowing. When the clamp 45 descends to a certain position, the clamp 45 touches the contact switch 58 to drive the second motor 56, under the action of the second motor 56, the small connecting rod 53 rotates around the driven wheel 54 to drive the escapement fork 51 to move, the escapement fork 51 dials the supporting plate 2 above the infusion tube to rotate 90 degrees through the escapement lever 52, so that the next infusion bottle to be infused is, in the process of positioning, the poking rod 49 pokes the screw cap 7 to expose the mouth of the infusion bottle, then the first motor 41 rotates reversely, and the clamp 45 drives the bottle stopper puncture device to puncture the bottle stopper of the infusion bottle mouth. The motor power supply of this device can select for use commercial power or rechargeable battery, and the automatically controlled part of this device is very simple in addition, only need realize two servo motor's the debugging that triggers each other can, no longer give unnecessary details here.
Example 2
On the basis of embodiment 1, the lower part of lead screw 44 is provided with smooth part, and smooth part upside is screw thread portion, and the smooth part outside is provided with the spring, and when anchor clamps 45 moved down to the bottom along screw thread portion, continued downwards under the effect of screw thread, the spring can let and push back anchor clamps to screw thread portion this moment, this time difference of two motor work of convenient adjustment plug mechanism 4 and slewing mechanism 5.
Example 3
On the basis of embodiment 1, 6 downside of top cap is provided with the upper bracket along with support 1 pivoted, and the cross support also can be selected for the upper bracket, and the infusion bottle on upper bracket branch end and the layer board 2 corresponds is provided with the clamp plate, and the clamp plate is articulated with the upper bracket tip, and its articulated department sets up the torsional spring, and the blind end of infusion bottle is pushed down to the clamp plate.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.