CN214181120U

CN214181120U - Medicine pumping device

Info

Publication number: CN214181120U
Application number: CN202022400918.9U
Authority: CN
Inventors: 李承果; 覃娴雅
Original assignee: Tongji Medical College of Huazhong University of Science and Technology
Current assignee: Tongji Medical College of Huazhong University of Science and Technology
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-09-14
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a medicine extracting device, which comprises a shell, a transmission seat and a carrying plate, wherein a guide pillar is arranged at the upper position of the shell, the transmission seat is arranged on the guide pillar, the transmission seat is slidably connected with the guide pillar, a material conveying lead screw is arranged in the shell below the transmission seat, the material conveying lead screw is rotatably connected with the shell, the transmission seat is connected with the material conveying lead screw through a ball, a transmission frame is arranged on the transmission seat, a slide bar is longitudinally arranged in the transmission frame, a pressing plate is arranged on the slide bar, the pressing plate is slidably connected with the slide bar, a fixed threaded rod is arranged at the middle position above the transmission frame, the fixed threaded rod is in threaded connection with the transmission frame, and the carrying plate is arranged on the shell at the right side of the transmission frame; the utility model discloses in, through setting up fixing base, cassette, two-way threaded rod and splint, avoid the syringe to appear the problem that disinfection quality is not up to standard after carrying out long-term the use.

Description

Medicine pumping device

Technical Field

The utility model belongs to the technical field of the medical treatment, concretely relates to medicine suction device.

Background

In the related art, an injector generally used in hospitals is a common medical appliance, and is formed by matching a needle cylinder with a hole at the front end and a piston rod, wherein the piston rod is provided with a piston, the piston is connected with the inner wall of the needle cylinder, and when medicine needs to be injected into a human body, the medicine liquid needs to be firstly drawn out from a medicine bottle and then injected into muscles of the human body.

In patent CN201610160667.7, a medicine pumping device and a medicine pumping method thereof, the medicine pumping device includes: the injector comprises a syringe and a piston rod which can move in the syringe, and the syringe is provided with a liquid inlet; the driving piece is connected with the piston rod and is suitable for driving the piston rod to move in the needle cylinder; the impact assembly is arranged on one side of the injector and is configured to impact the needle cylinder after the needle cylinder sucks the liquid medicine through the liquid inlet so as to enable bubbles in the liquid medicine to flow to the liquid inlet. Therefore, the medicine pumping device can avoid the pollution of the liquid medicine and can discharge bubbles in the liquid medicine, thereby better protecting patients. There are still problems:

1. the existing medicine pumping device is not provided with a quantitative mechanism, so that the problem that the medicine pumping metering cannot be controlled when the device is used, and the medicine dispensing quality is reduced;

2. the existing medicine pumping device can not disassemble the injector, so that the device is inconvenient to replace during maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medicine extraction device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a medicine extracting device comprises a shell, a transmission seat and a carrying plate, wherein a guide pillar is installed at the upper position of the shell, the transmission seat is arranged on the guide pillar, the transmission seat is connected with the guide pillar in a sliding manner, a material conveying screw rod is arranged in the shell below the transmission seat and is connected with the shell in a rotating manner, the transmission seat is connected with the material conveying screw rod through a ball, a transmission frame is installed on the transmission seat, a sliding rod is longitudinally arranged in the transmission frame, a pressing plate is arranged on the sliding rod and is connected with the sliding rod in a sliding manner, an upper pressing head is installed at the middle position below the pressing plate, a lower pressing head is installed on the transmission frame below the upper pressing head, the setting position of the upper pressing head corresponds to the setting position of the lower pressing head, a fixed threaded rod is installed at the middle position above the transmission frame, and the fixed threaded rod is in threaded connection with the transmission frame, install on the casing on driving frame right side and carry the thing board, it installs on the upper right side position of casing to carry the thing board, install the fixing base on carrying the intermediate position of thing board upper surface, install two-way threaded rod on the inside intermediate position of fixing base, rotate between two-way threaded rod and the fixing base and be connected, the symmetry is provided with splint, two on the preceding back both sides position of fixing base top sliding connection between splint and the fixing base, and two splint pass through drive nut and are connected with two-way threaded rod, two-way threaded rod is connected with the second knob of fixing base front surface.

Preferably, install the syringe on the fixing base, the syringe sets up two on the position between the splint, install the electromagnetic directional valve on the liquid outlet of syringe right-hand member, sealing connection between the upper end of electromagnetic directional valve and the first syringe needle through the pipe, install the second syringe needle on the electromagnetic directional valve right-hand member.

Preferably, the left end of syringe is provided with fixed ear, the inside push rod that is provided with of syringe, the position that sets up of push rod corresponds with the position that sets up of last pressure head and pressure head down.

Preferably, the lower end of the fixed threaded rod is in contact with the upper surface of the pressing plate, the upper end of the fixed threaded rod is connected with the first knob, and the sliding rod below the pressing plate is sleeved with the spring.

Preferably, the clamping seat is installed on the carrying plate on the left side of the fixing seat, the mounting frame is installed on the carrying plate on the right side of the fixing seat, the mounting frame is installed on the right rear position of the carrying plate, the medicine storage frame is installed on the mounting frame, and a medicine storage bottle is arranged in the medicine storage frame.

Preferably, a driving wheel is installed at the left end of the material conveying screw rod, a material conveying motor is installed in the shell below the material conveying screw rod, the material conveying motor is installed at the left side position inside the shell, a driving wheel is installed on an output shaft of the material conveying motor, and the driving wheel on the material conveying motor is rotatably connected with the driving wheel on the material conveying screw rod through a driving belt.

Preferably, install the baffle on the below position of transmission seat, install stay-supported displacement sensor in the casing on baffle right side, stay cord and the baffle of stay-supported displacement sensor are connected, electric connection between stay-supported displacement sensor and the inside controller of casing.

The utility model discloses a technological effect and advantage: 1. according to the medicine pumping device, the automatic and intelligent levels of the device are increased by arranging the stay wire type displacement sensor, the material conveying screw rod, the material conveying motor, the transmission frame, the pressing plate, the upper pressing head and the lower pressing head, so that the device can accurately pump and discharge medicines, and the problems that a large amount of time is consumed by repeated pumping when medicines are pumped, and the medicine taking safety of a patient is increased due to inaccurate metering control when the medicines are pumped are avoided;

2. the device is convenient for the device to install and dismantle the injector through setting up fixing base, cassette, two-way threaded rod and splint, and the maintenance and the change of the device of being convenient for have guaranteed the service quality and the security of use of device.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an assembly view of the transmission frame of the present invention;

FIG. 3 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 4 is a side view of the drive frame of FIG. 1 according to the present invention;

FIG. 5 is an assembly view of the injector of FIG. 1 in accordance with the present invention;

fig. 6 is an overall external view of the cartridge of fig. 3 according to the present invention.

In the figure: 1. a housing; 2. a guide post; 3. a material conveying screw rod; 4. a transmission frame; 5. a mounting frame; 6. a medicine storage bottle; 7. a medicine storage rack; 8. an injector; 9. a transmission seat; 10. a pull-string type displacement sensor; 11. a baffle plate; 12. a material conveying motor; 13. a driving wheel; 14. a controller; 15. a slide bar; 16. a first knob; 17. fixing a threaded rod; 18. pressing a plate; 19. an upper pressure head; 20. a spring; 21. a lower pressure head; 22. a card holder; 23. a fixed seat; 24. a loading plate; 25. a splint; 26. a bidirectional threaded rod; 27. a second knob; 28. a push rod; 29. a first needle; 30. a conduit; 31. an electromagnetic directional valve; 32. a second needle; 33. and fixing the ears.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The utility model provides a medicine extracting device as shown in figures 1-6, which comprises a shell 1, a transmission seat 9 and a carrying plate 24, wherein a guide pillar 2 is arranged at the upper position of the shell 1, the transmission seat 9 is arranged on the guide pillar 2, the transmission seat 9 is connected with the guide pillar 2 in a sliding way, a material conveying screw rod 3 is arranged in the shell 1 at the lower part of the transmission seat 9, the material conveying screw rod 3 is connected with the shell 1 in a rotating way, the transmission seat 9 is connected with the material conveying screw rod 3 through a ball, a transmission frame 4 is arranged on the transmission seat 9, a slide rod 15 is longitudinally arranged in the transmission frame 4, a pressing plate 18 is arranged on the slide rod 15, the pressing plate 18 is connected with the slide rod 15 in a sliding way, an upper pressing head 19 is arranged at the middle position below the pressing plate 18, a lower pressing head 21 is arranged on the transmission frame 4 at the lower part of the upper pressing head 19, the setting position of the upper pressing head 19 corresponds to the setting position of the lower pressing head 21, a fixed threaded rod 17 is arranged at the middle position above the transmission frame 4, threaded connection between fixed threaded rod 17 and driving frame 4, install on the casing 1 on driving frame 4 right side and carry thing board 24, it installs on the upper right side position of casing 1 to carry thing board 24, install fixing base 23 on the intermediate position of carrying thing board 24 upper surface, install two-way threaded rod 26 on the intermediate position of fixing base 23 inside, rotate between two-way threaded rod 26 and the fixing base 23 and be connected, the symmetry is provided with splint 25 on the front and back both sides position of fixing base 23 top, sliding connection between two splint 25 and the fixing base 23, and two splint 25 pass through drive nut and be connected with two-way threaded rod 26, two-way threaded rod 26 is connected with the second knob 27 of fixing base 23 front surface.

Specifically, install syringe 8 on fixing base 23, syringe 8 sets up on the position between two splint 25, installs electromagnetic directional valve 31 on the liquid outlet of 8 right-hand members of syringe, and sealing connection between pipe 30 and the first needle 29 is passed through to the upper end of electromagnetic directional valve 31, installs second needle 32 on the electromagnetic directional valve 31 right-hand member.

Specifically, the left end of the injector 8 is provided with a fixing lug 33, a push rod 28 is arranged inside the injector 8, and the arrangement position of the push rod 28 corresponds to the arrangement positions of the upper pressure head 19 and the lower pressure head 21.

Specifically, the lower end of a fixed threaded rod 17 is in contact with the upper surface of a pressure plate 18, the upper end of the fixed threaded rod 17 is connected with a first knob 16, and a spring 20 is sleeved on a sliding rod 15 below the pressure plate 18.

Specifically, install cassette 22 on the left thing board 24 that carries of fixing base 23, install mounting bracket 5 on the thing board 24 that carries on fixing base 23 right side, mounting bracket 5 installs on the right back position of carrying thing board 24, installs storage medicine frame 7 on mounting bracket 5, is provided with in the storage medicine frame 7 and stores up medicine bottle 6.

Specifically, a driving wheel 13 is installed at the left end of the material conveying screw rod 3, a material conveying motor 12 is installed in the shell 1 below the material conveying screw rod 3, the material conveying motor 12 is installed at the left side position inside the shell 1, the driving wheel 13 is installed on an output shaft of the material conveying motor 12, and the driving wheel 13 on the material conveying motor 12 is rotatably connected with the driving wheel 13 on the material conveying screw rod 3 through a driving belt.

Specifically, a baffle 11 is installed at a position below the transmission seat 9, a stay wire type displacement sensor 10 is installed in the casing 1 on the right side of the baffle 11, a stay rope of the stay wire type displacement sensor 10 is connected with the baffle 11, and the stay wire type displacement sensor 10 is electrically connected with the controller 14 inside the casing 1.

When the medicine pumping device is used, the device is connected with an external power supply, the fixing lug 33 of the injector 8 is clamped on the clamping seat 22, the second knob 27 is rotated, the second knob 27 drives the bidirectional threaded rod 26 to rotate, the clamping plate 25 moves oppositely while the bidirectional threaded rod 26 rotates, the clamping plate 25 clamps and fixes the injector 8, the left lower end of the push rod 28 is contacted with the lower pressing head 21, the first knob 16 is rotated, the first knob 16 drives the fixed threaded rod 17 to rotate, the fixed threaded rod 17 drives the pressing plate 18 to move downwards while rotating, the pressing plate 18 moves downwards along the sliding rod 15, the spring 20 compresses, the upper pressing head 19 is gradually contacted with the left upper end of the push rod 28, the upper pressing head 19 is matched with the lower pressing head 21 to fix the push rod 28, after the fixation is completed, the medicine storage bottle 6 is placed on the medicine storage rack 7, the first needle 29 is inserted into the medicine storage bottle 6, the electromagnetic directional valve 31 is communicated with a passage between the first needle 29 and the injector 8, then the metering of the medicine to be pumped is input into the controller 14, at the moment, the material conveying motor 12 is matched with the driving wheel 13 to drive the material conveying screw rod 3 to rotate, the driving seat 9 moves leftwards while the material conveying screw rod 3 rotates, the driving seat 9 drives the push rod 28 to move leftwards, at the moment, the injector 8 performs material pumping movement, the stay wire type displacement sensor 10 senses the displacement of the baffle plate 11, the metering of the pumped liquid medicine can be controlled according to the displacement of the baffle plate 11, when the specified displacement is reached, the controller 14 sends a stop signal to the material conveying motor 12, when the liquid medicine in the injector 8 needs to be discharged, at the moment, the electromagnetic directional valve 31 is connected with the passage between the injector 8 and the second whole body, the controller 14 controls the material conveying motor 12 to rotate reversely, the material conveying motor 12 drives the material conveying screw rod 3 to rotate reversely while rotating, the transmission screw rod 3 drives the transmission seat 9 to move reversely while rotating reversely, the transmission seat 9 drives the push rod 28 to move reversely, the push rod 28 discharges materials, at the same time, the liquid medicine in the injector 8 is discharged from the second needle 32, when the stay wire type displacement sensor 10 senses that the baffle plate 11 reaches the initial position, the controller 14 controls the transmission motor 12 to stop working, when the injector 8 needs to be replaced, the first knob 16 is rotated reversely, the first knob 16 drives the fixed threaded rod 17 to move upwards, the fixed threaded rod 17 cancels the pressing of the pressing plate 18, the spring 20 drives the pressing plate 18 to move upwards, the upper pressing head 19 cancels the pressing of the push rod 28, then the second knob 27 is rotated reversely, the second knob 27 drives the bidirectional threaded rod 26 to rotate reversely, when the bidirectional threaded rod 26 rotates reversely, the clamping plate 25 moves away from each other, the clamping plate 25 cancels the fixation of the injector 8, at the moment, the injector 8 can be taken down, thereby realizing the replacement of the injector 8, in the process, the stay wire type displacement sensor 10, the material conveying screw rod 3, the material conveying motor 12, the transmission frame 4, the pressing plate 18, the matching use between the upper pressing head 19 and the lower pressing head 21 increases the automation and intelligence level of the device, ensures the accurate extraction and the medicine discharge of the device, avoids the problems that the repeated extraction consumes a large amount of time when the medicine is extracted and the metering control is not accurate when the medicine is extracted, thereby increasing the medicine safety of a patient, simultaneously, the fixing seat 23, the clamping seat 22, the bidirectional threaded rod 26 and the clamping plate 25 are matched for use, being convenient for the device to install and disassemble the injector 8, avoiding the problem that the disinfection quality of the injector 8 does not reach the standard after the long-term use, and increasing the use safety of the device, the maintenance and the replacement of the device are convenient, and the use quality and the use safety of the device are ensured.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a draw medicine device, includes casing (1), transmission seat (9) and year thing board (24), its characterized in that: the device is characterized in that a guide post (2) is mounted at the upper position of a shell (1), a transmission seat (9) is arranged on the guide post (2), the transmission seat (9) is connected with the guide post (2) in a sliding manner, a material conveying screw rod (3) is arranged in the shell (1) below the transmission seat (9), the material conveying screw rod (3) is connected with the shell (1) in a rotating manner, the transmission seat (9) is connected with the material conveying screw rod (3) through a ball, a transmission frame (4) is mounted on the transmission seat (9), a sliding rod (15) is longitudinally arranged in the transmission frame (4), a pressing plate (18) is arranged on the sliding rod (15), the pressing plate (18) is connected with the sliding rod (15) in a sliding manner, an upper pressing head (19) is mounted at the middle position below the pressing plate (18), and a lower pressing head (21) is mounted on the transmission frame (4) below, the device is characterized in that the setting position of the upper pressure head (19) corresponds to the setting position of the lower pressure head (21), a fixed threaded rod (17) is installed on the middle position above the transmission frame (4), the fixed threaded rod (17) is in threaded connection with the transmission frame (4), an object carrying plate (24) is installed on the shell (1) on the right side of the transmission frame (4), the object carrying plate (24) is installed on the upper right position of the shell (1), a fixed seat (23) is installed on the middle position of the upper surface of the object carrying plate (24), a bidirectional threaded rod (26) is installed on the middle position inside the fixed seat (23), the bidirectional threaded rod (26) is rotatably connected with the fixed seat (23), clamping plates (25) are symmetrically arranged on the front side and the rear side of the upper part of the fixed seat (23), and the clamping plates (25) are in sliding connection with the fixed seat (23), and the two clamping plates (25) are connected with a bidirectional threaded rod (26) through a transmission nut, and the bidirectional threaded rod (26) is connected with a second knob (27) on the front surface of the fixed seat (23).

2. A drug drawing device as claimed in claim 1, wherein: install syringe (8) on fixing base (23), syringe (8) set up two on the position between splint (25), install electromagnetic directional valve (31) on the liquid outlet of syringe (8) right-hand member, sealing connection between pipe (30) and first syringe needle (29) is passed through to the upper end of electromagnetic directional valve (31), install second syringe needle (32) on electromagnetic directional valve (31) right-hand member.

3. A drug drawing device as claimed in claim 2, wherein: the left end of syringe (8) is provided with fixed ear (33), syringe (8) inside is provided with push rod (28), the position that sets up of push rod (28) corresponds with the position that sets up of last pressure head (19) and lower pressure head (21).

4. A drug drawing device as claimed in claim 1, wherein: the lower end of the fixed threaded rod (17) is in contact with the upper surface of the pressing plate (18), the upper end of the fixed threaded rod (17) is connected with the first knob (16), and the sliding rod (15) below the pressing plate (18) is sleeved with the spring (20).

5. A drug drawing device as claimed in claim 1, wherein: install cassette (22) on the left thing board (24) of carrying of fixing base (23), install mounting bracket (5) on the thing board (24) of carrying on fixing base (23) right side, install on the right rear position of carrying thing board (24) mounting bracket (5), install on mounting bracket (5) and store up medicine frame (7), be provided with in the medicine frame (7) and store up medicine bottle (6).

6. A drug drawing device as claimed in claim 1, wherein: drive wheel (13) are installed to the left end of defeated material lead screw (3), install defeated material motor (12) in casing (1) of defeated material lead screw (3) below, install on the inside left side position of casing (1) defeated material motor (12), install drive wheel (13) on the output shaft of defeated material motor (12), drive wheel (13) on defeated material motor (12) are connected through rotating between drive belt and drive wheel (13) on defeated material lead screw (3).

7. A drug drawing device as claimed in claim 1, wherein: install baffle (11) on the below position of transmission seat (9), install stay-supported displacement sensor (10) in casing (1) on baffle (11) right side, the stay cord of stay-supported displacement sensor (10) is connected with baffle (11), electric connection between stay-supported displacement sensor (10) and inside controller (14) of casing (1).