CN110496275B

CN110496275B - Insulin pen automatic injection device

Info

Publication number: CN110496275B
Application number: CN201910882843.1A
Authority: CN
Inventors: 郑妮
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2021-05-07
Anticipated expiration: 2039-09-18
Also published as: CN110496275A

Abstract

The invention provides an automatic insulin pen injection device, and belongs to the technical field of machinery. It has solved the problem of current diabetes mellitus patient's injection insulin pen difficulty. This insulin pen automatic injection device, including base, elevating platform, the fixture that is used for centre gripping insulin pen and the push mechanism who is used for driving the fixture back-and-forth movement in order to carry out the injection, fixture and push mechanism all set up on the elevating platform, and elevating platform liftable is connected on the base. It can be automatically with the insulin pen of centre gripping forward propelling movement to realize pressing automatically, can liberate the staff and realize automatic operation, avoid patient's hand to tremble and lead to the injection failure.

Description

Insulin pen automatic injection device

Technical Field

The invention belongs to the technical field of machinery, relates to a fixed support, and particularly relates to an automatic insulin pen injection device.

Background

Diabetes is a common disease, and long-term diabetes causes hyperglycemia, thereby causing chronic damage and dysfunction of various tissues, particularly eyes, kidneys, heart, blood vessels and nerves, and insulin is the most effective medicament for treating diabetes at present. Most of the existing diabetes patients can adopt the insulin pen to carry out self-injection treatment, but some diabetes patients can also have Parkinson's disease, the hands are often trembled when the insulin pen is injected, so that the insulin pen cannot be effectively calibrated and held, and the injection effect is poor.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides an automatic injection device of an insulin pen, which aims to solve the technical problem of how to realize automatic injection of the insulin pen.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an insulin pen automatic injection device, its characterized in that includes base, elevating platform, is used for the fixture of centre gripping insulin pen and is used for driving fixture back-and-forth movement in order to carry out the push mechanism who injects, fixture and push mechanism all set up on the elevating platform, elevating platform liftable is connected on the base.

In foretell insulin pen automatic injection device, push mechanism includes guide rail and push motor, the guide rail links firmly on the elevating platform, and the guide rail has the open slip guide slot that makes progress, be provided with screw rod and slider in the slip guide slot, push motor is located the tip of guide rail, the screw rod links firmly with push motor's motor shaft, and the length direction of screw rod along the groove of slip guide slot to setting up, the slider connects on the screw rod soon, and slider sliding connection is in the slip guide slot, fixture links firmly on the slider.

In the automatic insulin pen injection device, the clamping mechanism comprises a clamp and a linear push rod motor, the clamp comprises a clamp seat and two clamp feet for clamping the insulin pen, the two clamp feet are rotatably connected to the clamp seat, the clamp seat is connected to the sliding block, a connecting rod for opening the clamp is inserted into the clamp seat, and the rear end of the connecting rod is fixedly connected with a push rod of the linear push rod motor.

In the automatic injection device of the insulin pen, the front end of the connecting rod is connected with a pushing block, the pushing block is provided with two chutes which are obliquely arranged in opposite directions, the tail ends of the forceps feet are respectively and fixedly connected with a sliding pin shaft in a sliding way.

In foretell insulin pen automatic injection device, fixture still includes fixed block and connecting strip, the fixed block is located between pincers seat and the linear push rod motor, the push rod links firmly on the fixed block, the lateral part sliding connection of fixed block is on the connecting strip, the fixed block has the spacing groove towards one side of pincers seat, the rear end cover of connecting rod is equipped with spacing bearing, spacing bearing is located the spacing inslot.

In foretell insulin pen automatic injection device, the bottom of keeping silent of clamp is provided with the button device, the button device includes button fixed plate and key base, the key fixed plate presss from both sides and establishes between two clamps and the pivot of button fixed plate and clamp links firmly mutually, the key base links firmly with the button fixed plate mutually, and the key base is including the pen stand chamber that is used for holding insulin pen end and the button seat chamber that is used for the holding to be located insulin pen tail end terminal surface push button, the button seat intracavity is provided with the automatic structure of pressing.

In foretell insulin pen automatic injection device, the automatic structure of pressing includes press plate, iron sheet one, permanent magnet, iron sheet two, spring and solenoid, iron sheet two is located the bottom surface in button seat chamber, the permanent magnet links firmly on iron sheet two, press plate links firmly on iron sheet one and can be at button seat chamber reciprocating sliding, the spring is located between iron sheet one and the permanent magnet, solenoid is located the outside of iron sheet one, permanent magnet and iron sheet two, and solenoid links to each other with the wire.

In the above-mentioned insulin pen automatic injection device, the base is an electric or manual lifting base.

In the insulin pen automatic injection device, a sucker is arranged at the bottom of the base.

Compared with the prior art, this automatic injection device is after the height has been adjusted, can be automatically with the insulin pen of centre gripping forward propelling movement to realize automatic pressing, can liberate the staff and realize automatic operation, avoid patient's hand to tremble and lead to the injection failure.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a top view of the present invention.

FIG. 3 is a schematic structural diagram of the clamping mechanism and the pushing mechanism of the present invention.

Fig. 4 is a schematic structural view of the clamping mechanism of the present invention.

Fig. 5 is a partial structural sectional view of the chucking mechanism in the present invention.

Fig. 6 is a structural sectional view of an automatic pressing structure in the present invention.

Fig. 7 is a schematic view of the structure of the present invention provided with a pressure sensor.

In the figure, 1, a base; 2. a lifting platform; 3. a guide rail; 4. a push motor; 5. a sliding guide groove; 6. a screw; 7. a slider; 8. clamping; 9. a linear push rod motor; 10. a clamp base; 11. a clamp foot; 12. a connecting rod; 13. a pushing block; 14. a chute; 15. sliding the pin shaft; 16. a fixed block; 17. a connecting strip; 18. a limiting groove; 19. a key fixing plate; 20. a key base; 21. a pen holder cavity; 22. a button seat cavity; 23. a pressing plate; 24. a first iron sheet; 25. a permanent magnet; 26. a second iron sheet; 27. a spring; 28. an electromagnetic coil; 29. a suction cup; 30. blocking edges; 31. a pressure sensor; 32. a limit bearing; 33. and locking the knob.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Referring to fig. 1-6, this embodiment is an insulin pen automatic injection device, including base 1, elevating platform 2, the fixture that is used for the centre gripping insulin pen and the push mechanism that is used for driving fixture back-and-forth movement in order to carry out the injection, fixture and push mechanism all set up on elevating platform 2, and elevating platform 2 liftable is connected on base 1.

Further, push mechanism includes guide rail 3 and push motor 4, guide rail 3 links firmly on elevating platform 2, and guide rail 3 has upwards open slip guide slot 5, be provided with screw rod 6 and slider 7 in the slip guide slot 5, push motor 4 is located the tip of guide rail 3, screw rod 6 links firmly with push motor 4's motor shaft, and the length direction of screw rod 6 sets up along the groove of slip guide slot 5 to, slider 7 connects soon on screw rod 6, and slider 7 sliding connection is in slip guide slot 5, fixture links firmly on slider 7.

Further, fixture includes clamp 8 and linear push rod motor 9, clamp 8 includes pincers seat 10 and two pincers feet 11 that are used for centre gripping insulin pen, two pincers feet 11 rotate to be connected on pincers seat 10, pincers seat 10 links firmly on slider 7, and cross-under on pincers seat 10 has the connecting rod 12 that is used for opening the pincers operation, the rear end of connecting rod 12 links firmly with linear push rod motor 9's push rod mutually, two front ends of pincers feet 11 link firmly has soft gasket, the centre gripping of being convenient for, avoid insulin pen damage simultaneously.

Furthermore, the front end of the connecting rod 12 is connected with a pushing block 13, the pushing block 13 is provided with two sliding grooves 14 which are obliquely arranged in opposite directions, the tail ends of the two forceps legs 11 are respectively and fixedly connected with a sliding pin shaft 15, and the sliding pin shafts 15 are slidably connected in the sliding grooves 14.

Further, fixture still includes fixed block 16 and connecting strip 17, and fixed block 16 is located between pincers seat 10 and the linear push rod motor 9, and the push rod of linear push rod motor 9 links firmly on fixed block 16, and the lateral part sliding connection of fixed block 16 is on connecting strip 17, and fixed block 16 has spacing groove 18 towards one side of pincers seat 10, and the rear end cover of connecting rod 12 is equipped with spacing bearing 32, and spacing bearing 32 is located spacing groove 18. The connecting rod 12 is connected with the push rod of the linear push rod motor 9 through the fixing block 16 and the limiting bearing 32, so that the situation that the connecting rod 12 is driven to rotate due to the rotation of the push rod of the linear push rod motor 9 can be avoided, and the shaking of the clamp 8 is reduced.

Further, the bottom of keeping silent of clamp 8 is provided with key device, key device includes button fixed plate 19 and key base 20, button fixed plate 19 presss from both sides and establishes between two clamps 8 and button fixed plate 19 links firmly with the pivot of clamp 8 mutually, key base 20 links firmly with button fixed plate 19 mutually, and key base 20 includes the pen stand chamber 21 that is used for holding insulin pen end and is used for the holding to be located the button seat chamber 22 of insulin pen tail end terminal surface button, button seat chamber 22 is located the bottom surface in pen stand chamber 21, and the bore of pen stand chamber 21 is greater than the bore in button seat chamber 22, is provided with the automatic structure of pressing in the button seat chamber 22.

Further, the automatic pressing structure comprises a pressing plate 23, a first iron sheet 24, a permanent magnet 25, a second iron sheet 26, a spring 27 and an electromagnetic coil 28, wherein the second iron sheet 26 is located on the bottom surface of the button seat cavity 22, the permanent magnet 25 is fixedly connected to the second iron sheet 26, the pressing plate 23 is fixedly connected to the first iron sheet 24 and can slide in the button seat cavity 22 in a reciprocating mode, the spring 27 is located between the first iron sheet 24 and the permanent magnet 25, the electromagnetic coil 28 is located outside the first iron sheet 24, the permanent magnet 25 and the second iron sheet 26, and the electromagnetic coil 28 is connected with a conducting wire.

Further, the base 1 is an electric or manual lifting seat, and the electric or manual lifting seat is the prior art.

Further, the bottom of the base 1 is provided with a sucker 29, and the sucker 29 is used for sucking the base 1 onto a table top, so that the stability is maintained and the displacement is avoided.

The electric power on-off of the linear push rod motor 9 of the clamping mechanism, the pushing motor 4 of the pushing mechanism and the electromagnetic coil 28 of the automatic pressing structure in the embodiment is connected with a controller of the automatic insulin pen injection device, and the electric control automatic operation is realized through the controller.

The operation process of this embodiment is as follows:

step a, an insulin pen to be injected is placed in a clamp 8 of a clamping mechanism and is operated by a push rod of a linear push rod motor 9, so that the front ends of two clamp feet 11 are closed to realize automatic clamping of the insulin pen;

b, the pushing mechanism drives the clamping mechanism and the insulin pen to move forwards, and when the insulin pen moves in place, the pushing motor 4 is controlled by the controller to stop;

step c, the automatic pressing structure automatically presses the button in the button seat cavity 22;

and d, after the pushing mechanism is reset, opening the clamp 8 to release the insulin pen.

In step a of this embodiment, the middle of the insulin pen is clamped between the front ends of the two clamp legs 11, the end of the insulin pen is inserted into the pen socket cavity 21 of the key socket 20, and the button of the insulin pen is located in the button socket cavity 22.

In the step d of this embodiment, owing to adopt sharp push rod motor 9, its push rod stroke is controllable, and the angle of opening and shutting of clamp 8 is controllable promptly, and when release insulin pen, the opening of clamp is less, both is convenient for take out, avoids insulin pen accident to drop again.

As shown in fig. 7, in step b, in this embodiment, the caliper seat 10 may be inserted into the slider 7, a circle of outward protruding blocking edge 30 is disposed in the middle of the caliper seat 10, a pressure sensor 31 is disposed between the rear end surface of the blocking edge 30 and the front end surface of the slider 7, the pressure sensor 31 is electrically connected to the controller, a locking knob 33 is screwed to the caliper seat 10, the locking knob 33 is used for limiting the positions of the caliper seat 10 and the slider 7, and when the locking knob 33 is locked, the front wall surface of the locking knob 33 abuts against the rear wall surface of the slider 7.

When the front end of the insulin pen contacts the body of a patient, the rear end of the insulin pen is abutted against the bottom surface of the pen holder cavity 21, the forceps holder 10 can be driven to move backwards relative to the sliding block 7, so that the pressure value detected by the pressure sensor 31 is increased, the controller receives a signal to stop pushing the motor 4 to work, meanwhile, the electromagnetic coil 28 is powered off, and the two iron sheets 26 drive the pressing plate 23 to move forwards under the action of the spring 27, so that the automatic pressing operation of the button is realized.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. An automatic insulin pen injection device is characterized by comprising a base (1), a lifting platform (2), a clamping mechanism for clamping an insulin pen and a pushing mechanism for driving the clamping mechanism to move back and forth to inject, wherein the clamping mechanism and the pushing mechanism are both arranged on the lifting platform (2), the lifting platform (2) is connected to the base (1) in a lifting way, the clamping mechanism comprises a clamp (8) and a linear push rod motor (9), the clamp (8) comprises a clamp seat (10) and two clamp feet (11) for clamping the insulin pen, the two clamp feet (11) are rotatably connected to the clamp seat (10), the clamp seat (10) is connected to a sliding block (7), a connecting rod (12) for opening the clamp is inserted on the clamp seat (10), and the rear end of the connecting rod (12) is fixedly connected with a push rod of the linear push rod motor (9), the bottom of keeping silent of clamp (8) is provided with the button device, the button device includes button fixed plate (19) and button seat (20), button fixed plate (19) press from both sides and establish between two clamps (8) and button fixed plate (19) link firmly with the pivot of clamp (8) mutually, button seat (20) link firmly with button fixed plate (19) mutually, and button seat (20) are including being used for holding insulin pen terminal pen socket chamber (21) and being used for the holding to be located button on the tail end face of insulin pen chamber (22), be provided with the automatic structure of pressing in button seat chamber (22).

2. The insulin pen automatic injection device according to claim 1, wherein the pushing mechanism comprises a guide rail (3) and a pushing motor (4), the guide rail (3) is fixedly connected to the lifting platform (2), the guide rail (3) is provided with a sliding guide groove (5) which is open upwards, a screw rod (6) and a sliding block (7) are arranged in the sliding guide groove (5), the pushing motor (4) is located at the end part of the guide rail (3), the screw rod (6) is fixedly connected with a motor shaft of the pushing motor (4), the length direction of the screw rod (6) is arranged along the groove direction of the sliding guide groove (5), the sliding block (7) is screwed on the screw rod (6), the sliding block (7) is slidably connected in the sliding guide groove (5), and the clamping mechanism is fixedly connected to the sliding block (7).

3. The insulin pen automatic injection device according to claim 2, wherein the front end of the connecting rod (12) is connected with a pushing block (13), the pushing block (13) is provided with two sliding grooves (14) which are obliquely arranged oppositely, the ends of the two forceps legs (11) are respectively and vertically fixedly connected with a sliding pin shaft (15), and the sliding pin shaft (15) is slidably connected in the sliding grooves (14).

4. The insulin pen automatic injection device according to claim 3, wherein the clamping mechanism further comprises a fixing block (16) and a connecting bar (17), the fixing block (16) is located between the forceps holder (10) and the linear push rod motor (9), the push rod is fixedly connected to the fixing block (16), the side part of the fixing block (16) is slidably connected to the connecting bar (17), a limiting groove (18) is formed in one side, facing the forceps holder (10), of the fixing block (16), a limiting bearing (32) is sleeved at the rear end of the connecting rod (12), and the limiting bearing (32) is located in the limiting groove (18).

5. The automatic insulin pen injection device according to claim 4, wherein the automatic pressing structure comprises a pressing plate (23), a first iron sheet (24), a permanent magnet (25), a second iron sheet (26), a spring (27) and an electromagnetic coil (28), the second iron sheet (26) is located on the bottom surface of the button seat cavity (22), the permanent magnet (25) is fixedly connected to the second iron sheet (26), the pressing plate (23) is fixedly connected to the first iron sheet (24) and can slide in the button seat cavity (22) in a reciprocating manner, the spring (27) is located between the first iron sheet (24) and the permanent magnet (25), the electromagnetic coil (28) is located outside the first iron sheet (24), the permanent magnet (25) and the second iron sheet (26), and the electromagnetic coil (28) is connected with a conducting wire.

6. The insulin pen automatic injection device according to any one of the claims 1 to 5, characterized in that the base (1) is an electric or manual lifting base.

7. The insulin pen automatic injection device according to any one of the claims 1 to 5, characterized in that the bottom of the base (1) is provided with a suction cup (29).