CN219375694U - Infusion pump - Google Patents
Infusion pump Download PDFInfo
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- CN219375694U CN219375694U CN202320145108.4U CN202320145108U CN219375694U CN 219375694 U CN219375694 U CN 219375694U CN 202320145108 U CN202320145108 U CN 202320145108U CN 219375694 U CN219375694 U CN 219375694U
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- shell
- waterproof
- infusion pump
- upper shell
- utility
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Abstract
The utility model discloses an infusion pump, which comprises a medicine storage device and a pump body, wherein a shell of the pump body comprises an upper shell and a lower shell, the shell further comprises a waterproof shell, and a first end face of the waterproof shell is in sealing connection with the top end of the upper shell; the upper shell is dustpan-shaped and is surrounded by a front surface, a first side surface, a second side surface and a bottom surface, free edges of the first side surface, the second side surface and the bottom surface are connected with the lower shell, the lower shell is opposite to the front surface, and the upper shell and the lower shell are sealed by adopting an adhesive or an elastic piece; the waterproof shell and the upper shell are sealed by an adhesive or an elastic piece. The infusion pump has good sealing performance and simple assembly.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to an infusion pump.
Background
The infusion pump can stably and reliably infuse liquid medicine such as insulin into the body of a user and is used for various diseases such as diabetes. Because the infusion pump needs to be worn on the body of a user for a long time, in order to facilitate the use of the infusion pump in more general life scenes, particularly in the water-involved scenes including bathing, swimming and the like, the infusion pump needs to have a certain waterproof capability.
The utility model patent with application number 201220263743.4 discloses a connection structure of an applied insulin pump and a medicine storage device, which comprises a pump body shell and a medicine storage device shell, wherein the connection part of the pump body shell and the medicine storage device shell comprises a first plug-in part and a second plug-in part, and the first plug-in part is inserted into the second plug-in part; the first plug-in part is provided with a buckle protruding outwards, and the second plug-in part is provided with a clamping groove matched with the buckle; the buckle is provided with an inclined plane and a stop surface, the inclined plane faces the outer side of the first plug-in connection part, the stop surface is perpendicular to the first plug-in connection part, and the inclined plane is opposite to the stop surface. Such a structure is poor in sealing performance.
Disclosure of Invention
In view of the above, the utility model provides an infusion pump, which has a stable and reliable sealing structure between a medicine storage device and a pump body, and is not easy to have the problem of loose sealing.
The utility model provides the following technical scheme:
an infusion pump comprises a medicine storage device (1) and a pump body (2), wherein a shell of the pump body (2) comprises an upper shell (5) and a lower shell (6), the shell further comprises a waterproof shell (7), and a first end face (73) of the waterproof shell (7) is in sealing connection with the top end of the upper shell (5); the upper shell (5) is dustpan-shaped and is surrounded by a front surface (56), a first side surface (57), a second side surface (58) and a bottom surface (59), free edges of the first side surface (57), the second side surface (58) and the bottom surface (59) are connected with the lower shell (6), the lower shell (6) is opposite to the front surface (56), and the upper shell (5) and the lower shell (6) are sealed by an adhesive or an elastic piece; the waterproof shell (7) and the upper shell (5) are sealed by an adhesive or an elastic piece.
Optionally, a positioning pin (54) is arranged on the upper shell (5), a corresponding positioning hole (71) is arranged on the waterproof shell (7), and the positioning pin (54) is used for being inserted into the positioning hole (71).
Optionally, the upper shell (5) and the waterproof shell (7) are integrally manufactured and formed.
Optionally, one or more grooves (72) are formed in the periphery of the waterproof shell (7), and a first O-shaped ring (86) is arranged in the groove (72).
Optionally, a side key (3) is further included, the side key (3) being fixed between the upper case (5) and the lower case (6).
Optionally, the device further comprises a large-dose button (4), and a rubber sealing gasket (87) is arranged between the large-dose button (4) and the upper shell (5).
Optionally, the lower shell (6) is provided with ventilation holes (61), and the waterproof ventilation membrane (85) covers the ventilation holes (61).
Optionally, the medicine storage device (1) is provided with a medicine storage device medicine bin (11), a piston (12) is arranged in the medicine storage device medicine bin (11), and a second O-shaped ring (13) is arranged on the outer edge of the piston (12).
Optionally, a positioning round hole (88) is formed in the front surface (56) of the upper shell (5), and the positioning round hole (88) is used for limiting the horizontal translation of the gear box (81) in the shell; a rectangular block (55) is provided near one corner of the upper case (5), and the rectangular block (55) is used for restricting rotation of the gear case (81).
According to the technical scheme of the utility model, the shell of the pump body of the infusion pump comprises an upper shell, a lower shell and a waterproof shell, the first end face of the waterproof shell is in sealing connection with the top end of the upper shell, the upper shell and the lower shell are sealed by adopting an adhesive or an elastic piece, and the waterproof shell and the upper shell are sealed by adopting the adhesive or the elastic piece. The infusion pump has good sealing performance and can realize the waterproof of IPX 8. The technical scheme of the utility model can be applied to insulin liquid medicine and also is applicable to infusion of other liquid medicine.
Drawings
For purposes of illustration and not limitation, the utility model will now be described in accordance with its preferred embodiments, particularly with reference to the accompanying drawings, in which:
fig. 1 is a perspective view of an infusion pump according to an embodiment of the present utility model.
Fig. 2 is a perspective view of a pump body according to an embodiment of the present utility model.
Fig. 3 is a perspective view of a housing of a pump body according to an embodiment of the present utility model.
Fig. 4 is a front view of an upper shell of an embodiment of the present utility model.
Fig. 5 is a perspective view of an upper case of an embodiment of the present utility model.
Fig. 6 is a rear view of the upper case of the embodiment of the present utility model.
Fig. 7 is a front view of the lower case of the embodiment of the present utility model.
Fig. 8 is a rear view of the lower case of the embodiment of the present utility model.
Fig. 9 is a perspective view showing the connection of the upper case and the lower case according to the embodiment of the present utility model.
Fig. 10 is a perspective view of a waterproof case according to an embodiment of the present utility model.
Fig. 11 is a bottom view of the waterproof case of the embodiment of the present utility model.
Fig. 12 is a partial cross-sectional view of an upper shell of an embodiment of the present utility model.
Fig. 13 is a schematic view of the structure of the waterproof and breathable film mounted on the lower case.
Fig. 14 is a schematic structural view of a drug reservoir according to an embodiment of the present utility model.
Fig. 15 is a step diagram first of the installation in the upper case of the embodiment of the present utility model.
Fig. 16 is a second step of installation in the upper case of the embodiment of the present utility model.
Fig. 17 is a partial enlarged view of fig. 16.
Fig. 18 is a third step diagram of installation in the upper case of the embodiment of the present utility model.
Fig. 19 is a step diagram of installation in the upper case of the embodiment of the present utility model.
Fig. 20 is a step diagram fifth of the installation in the upper case of the embodiment of the present utility model.
Fig. 21 is a schematic structural view of the upper and lower shells according to the embodiment of the present utility model after dispensing and fixing.
Fig. 22 is a front view of the upper case and waterproof case of the embodiment of the present utility model after the dispensing fixation.
Fig. 23 is a perspective view of the upper case and waterproof case according to the embodiment of the present utility model after the dispensing fixation.
Fig. 24 is a schematic view of the structure of the waterproof case according to the embodiment of the present utility model after the sealing ring is sleeved on the waterproof case.
In the figure, 1-medicine storage device, 11-medicine storage device medicine bin, 12-piston, 13-second O-shaped ring, 14-battery bin, 2-pump body, 3-side key, 4-high dose button, 5-upper shell, 51-first screw, 52-second screw, 53-support column, 54-locating pin, 55-rectangular block, 56-front, 57-first side, 58-second side, 59-bottom, 6-lower shell, 61-vent hole, 7-waterproof shell, 71-locating hole, 72-groove, 73-first end face, 74-second end face, 8-buzzer, 9-light guide column, 10-antenna, 81-gear box, 82-circuit board, 83-vibration motor, 84-motor support frame, 85-waterproof ventilated membrane, 86-first O-shaped ring, 87-rubber sealing gasket, 88-locating round hole.
Detailed Description
Referring to fig. 1 and 2, fig. 1 is a perspective view of an infusion pump according to an embodiment of the present utility model, and fig. 2 is a perspective view of a pump body according to an embodiment of the present utility model; the waterproof infusion pump of the embodiment of the utility model comprises a pump body 2 and a medicine storage device 1, wherein the pump body 1 mainly comprises a shell and functional modules in the shell.
Referring to fig. 3 and 10, fig. 3 is a perspective view of a housing of the pump body according to an embodiment of the present utility model, the housing of the pump body 2 includes an upper shell 5, a lower shell 6 and a waterproof shell 7, and a first end surface 73 of the waterproof shell 7 is connected with a top end of the upper shell 5 in a sealing manner.
The outside of the waterproof shell 7 is provided with a groove 72, and a first O-shaped ring 86 is arranged in the groove 72; thus, no gap exists between the shells below the first O-ring 86, and the medicine storage device 1 is arranged to realize the water resistance between the pump body 2 and the medicine storage device 1.
Referring to fig. 4 to 11, the upper case 5 is in the shape of a dustpan surrounded by a front surface 56, a first side surface 57, a second side surface 58, and a bottom surface 59, free edges of the first side surface 57, the second side surface 58, and the bottom surface 59 are connected to the lower case 6, and the lower case 6 is opposite to the front surface 56, and the upper case 5 and the lower case 6 are sealed with an adhesive or with an elastic member. In an embodiment of the present utility model, the elastic member may be, for example, a rubber seal ring.
The waterproof case 7 and the top end (top and bottom in view of fig. 5) of the upper case 5 are sealed with an adhesive or with an elastic member. A positioning pin 54 may be provided on the upper case 5, and a corresponding positioning hole 71 may be provided on the waterproof case 7, the positioning pin 54 being for insertion into the positioning hole 71. A positioning hole 71 and a positioning pin 54 are arranged between the upper shell 5 and the waterproof shell 7, so that the quick alignment during bonding is facilitated. The waterproof housing 7 is provided with one or more grooves 72 at its periphery, and a first O-ring 86 is provided in the groove 72 to provide a seal.
The upper case 5 and the waterproof case 7 may be integrally formed, for example, by injection molding, so that the upper case and the waterproof case are not required to be bonded to each other, and a sealed connection state is formed between the upper case and the waterproof case.
A positioning round hole 88 is arranged in the middle of the front surface 56 of the upper shell 5, and the positioning round hole 88 is used for limiting the horizontal translation of the gear box 81; a rectangular block 55 is provided near one corner of the upper case 5, and the rectangular block 55 is used to restrict rotation of the gear case 81.
Referring to fig. 1, the infusion pump of the embodiment of the present utility model further comprises a side key 3, the side key 3 being fixed between the upper housing 5 and the lower housing 6 and being connected between the pump body 2 and the reservoir 1.
Referring to fig. 12, the infusion pump of the embodiment of the present utility model further includes a bolus button 4, and the upper case 5 and the bolus button 4 are water-proof by bonding a one-piece rubber gasket 87.
As shown in fig. 8 and 13, the lower case 6 is provided with ventilation holes 61, and a waterproof and breathable film 85 covers the ventilation holes 61. The lower shell 6 is provided with an air hole 61 for balancing the pressure difference between the inside and the outside of the pump body; the air holes 61 are covered with a waterproof and breathable film 85 for waterproofing.
Referring to fig. 14, fig. 14 is a schematic structural view of a medicine storage device according to an embodiment of the present utility model, the medicine storage device 1 is provided with a medicine storage device medicine bin 11, a piston 12 is arranged in the medicine storage device medicine bin 11, a second O-ring 13 is arranged at the outer edge of the piston 12, and water is prevented between the piston 12 and the medicine storage device medicine bin 11 through the second O-ring 13.
The pump body 2 is internally provided with a functional module, the functional module comprises a transmission module and a circuit module, the transmission module comprises a gear box 81, the input end of the gear box 81 is powered by a motor, the output end of the gear box is of a screw-nut structure, and the output linear motion is used for pushing a piston 12 in the medicine storage device 1, so that the medicine liquid can be infused stably and accurately.
The embodiment of the utility model also discloses an assembly method of the infusion pump, which comprises the following steps:
1. a large dose button 4 is arranged on the upper shell 5;
2. the antenna 10, the light guide column 9 and the buzzer 8 are installed, and the result is shown in fig. 15;
3. the gear case 81 is inserted obliquely into the upper case 5 and fixed by the first screw 51, and the result is shown in fig. 16 and 17;
4. the circuit board 82 is inserted along the upper end opening of the upper case 5 and fixed by the second screw 52, the result of which is shown in fig. 18;
5. the motor support frame 84 and the vibration motor 83 are installed, and the result is shown in fig. 19;
6. the side key 3 is attached, and the result is shown in fig. 20;
7. a waterproof and breathable film 85 is arranged on the lower shell 6;
8. gluing in a glue groove at the side opening of the upper shell 5, aligning and bonding the edges of the lower shell 6 with the free edges of the first side 57, the second side 58 and the bottom 59 of the upper shell 5, as shown in fig. 21;
9. gluing in a glue groove at the top end opening of the upper shell 5, aligning and bonding the waterproof shell 7 and the upper end opening of the upper shell 5, and the result is shown in fig. 22 and 23;
10. a first O-ring 86 is provided in the recess of the waterproof housing 7, with the result that the infusion pump assembly is completed as shown in fig. 24. In use, a user first installs the reservoir assembly on the infusion pump, the result of which is shown in fig. 1.
The third step comprises: the gear case 81 is inserted into the upper case 5 obliquely; the output end of the gear box 81 is fixed by two first screws 51, and the input end is clamped and fixed by the upper case 5 and the lower case 6.
A positioning circular hole 88 provided at an inner middle position of the gear case 81 restricts horizontal translation of the gear case 81, and a rectangular block 55 provided near one corner of the upper case 5 restricts rotation of the gear case 81.
The fourth step comprises: the circuit board 82 is inserted into the upper case 5, the upper case 5 is provided with four support columns 53 for supporting the circuit board 82, fixed by two second screws 52, a motor support frame 84 is provided on the circuit board 82, and a vibration motor 83 is fixed.
According to the technical scheme of the embodiment of the utility model, the shell of the pump body 2 comprises an upper shell 5, a lower shell 6 and a waterproof shell 7, a first end surface 73 of the waterproof shell 7 is in sealing connection with the top end of the upper shell 5, a second end surface 74 of the waterproof shell 7 is used for being connected with the medicine storage device 1, one or more grooves 72 are formed in the periphery of the waterproof shell 7, and a first O-shaped ring 86 is arranged in each groove 72; the medicine storage device 1 is arranged, so that the water resistance between the pump body 2 and the medicine storage device 1 is realized. Because the special waterproof shell 7 is arranged in the embodiment of the utility model, the periphery of the waterproof shell 7 is of an integrated structure, and a shell seam does not exist below the sealing ring after the O-shaped ring is sleeved, so that the sealing performance is better. The waterproof capability of the infusion pump IPX8 can be achieved through the scheme.
According to the embodiment of the present utility model, since the circuit board 82 can provide stable support, the motor support frame 84 is provided on the circuit board 82 and the vibration motor 83 is fixed in the pump body assembling manner. The assembly of the embodiment of the present utility model is more convenient than the manner in which the vibration motor 83 is fixed to the lower case 6 and then two wires are led out between the upper and lower cases.
The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives can occur depending upon design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. An infusion pump comprises a medicine storage device (1) and a pump body (2), wherein a shell of the pump body (2) comprises an upper shell (5) and a lower shell (6), and is characterized in that the shell further comprises a waterproof shell (7), and a first end face (73) of the waterproof shell (7) is in sealing connection with the top end of the upper shell (5);
the upper shell (5) is dustpan-shaped and is surrounded by a front surface (56), a first side surface (57), a second side surface (58) and a bottom surface (59), free edges of the first side surface (57), the second side surface (58) and the bottom surface (59) are connected with the lower shell (6), the lower shell (6) is opposite to the front surface (56), and the upper shell (5) and the lower shell (6) are sealed by an adhesive or an elastic piece;
the waterproof shell (7) and the upper shell (5) are sealed by an adhesive or an elastic piece.
2. Infusion pump according to claim 1, characterized in that the upper shell (5) is provided with a positioning pin (54), the waterproof shell (7) is provided with a corresponding positioning hole (71), and the positioning pin (54) is used for being inserted into the positioning hole (71).
3. Infusion pump according to claim 1, characterized in that the upper shell (5) and the waterproof shell (7) are integrally formed.
4. An infusion pump according to any one of claims 1 to 3, wherein the waterproof casing (7) is provided with one or more grooves (72) at its periphery, the grooves (72) being provided with a first O-ring (86).
5. An infusion pump according to any one of claims 1 to 3, further comprising a side key (3), the side key (3) being fixed between the upper housing (5) and the lower housing (6).
6. An infusion pump according to any one of claims 1 to 3, further comprising a bolus button (4), a rubber seal (87) being provided between the bolus button (4) and the upper housing (5).
7. An infusion pump according to any one of claims 1 to 3, wherein the lower casing (6) is provided with ventilation holes (61), and a waterproof and breathable membrane (85) is provided over the ventilation holes (61).
8. An infusion pump according to any of claims 1-3, wherein the reservoir (1) is provided with a reservoir cartridge (11), a piston (12) is provided in the reservoir cartridge (11), and a second O-ring (13) is provided at the outer edge of the piston (12).
9. The infusion pump of claim 8, wherein the pump further comprises a pump unit configured to pump fluid from the fluid source,
the front surface (56) of the upper shell (5) is provided with a positioning round hole (88), and the positioning round hole (88) is used for limiting the horizontal translation of the gear box (81) in the shell;
a rectangular block (55) is provided near one corner of the upper case (5), and the rectangular block (55) is used for restricting rotation of the gear case (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320145108.4U CN219375694U (en) | 2023-02-07 | 2023-02-07 | Infusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320145108.4U CN219375694U (en) | 2023-02-07 | 2023-02-07 | Infusion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219375694U true CN219375694U (en) | 2023-07-21 |
Family
ID=87189414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320145108.4U Active CN219375694U (en) | 2023-02-07 | 2023-02-07 | Infusion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219375694U (en) |
-
2023
- 2023-02-07 CN CN202320145108.4U patent/CN219375694U/en active Active
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