CN212016368U

CN212016368U - Pop-up insulin pen device

Info

Publication number: CN212016368U
Application number: CN202020227387.5U
Authority: CN
Inventors: 张丽清; 王雪莲; 孙艳
Original assignee: Southern Taiwan University of Science and Technology
Current assignee: Southern Taiwan University of Science and Technology
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-11-27
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to the technical field of medical equipment, in particular to a pop-up insulin pen device, a fixed plate is arranged in a circular cavity structure of a pen cap, one side of the fixed plate is connected with a hoop spring, a plurality of clapboards and needle head parts are arranged between the other end of the hoop spring and the other side of the fixed plate at intervals, the clapboards and the needle head parts are respectively clamped in the circular cavity in a sliding way, the outer wall of the pen cap is provided with a longitudinal groove close to the fixed plate, the bottom end of the longitudinal groove is clamped with an ejection part, the top end of the pen cap end surface is clamped with a square bar along the radial sliding way at the position corresponding to the top end of the longitudinal groove, the side wall of a rotating cylinder is sleeved with the central thread of the pen cap end surface and is provided with a side through groove, the end surface center of the rotating cylinder is provided with a; the problem of current insulin pen be not convenient for operate in the aspect of being equipped with the syringe needle is solved.

Description

Pop-up insulin pen device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an insulin pen device of formula of popping out.

Background

Diabetes mellitus is a high-grade disease commonly existing in people of all ages, continuous hyperglycemia, long-term metabolic disorder and the like can affect tissues and organs of the whole body, and in the treatment process of diabetes mellitus, insulin injection is a common medical means and is generally adopted by an insulin syringe. As one type of insulin syringes, the insulin pen avoids the tedious process that a diabetic draws insulin in an insulin medicine bottle by using a syringe, avoids the embarrassment that the patient injects insulin in public places, and brings convenience for the patient with poor eyesight or even blindness to inject insulin. Therefore, the application of the insulin pen device is more and more extensive when treating diabetes.

An insulin pen device generally comprises a pen cap, a pen body, a refill holder and the like, wherein the pen body comprises a screw rod and a dosage adjusting bolt. When the insulin pen is used, the pen cap is removed, the pen core frame is screwed down from the pen body, the pen core is sleeved in the pen core frame, the pen core frame is screwed and connected with the pen body, and the needle is sleeved at the end of the pen core frame to complete the assembling process of the insulin pen before use. Because the syringe needle is disposable consumables, often when the patient goes out, will carry on a plurality of syringe needles, not only the syringe needle is not portable, all need carry on the installation of syringe needle and demolish when injection moreover each time, complex operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a formula insulin pen device pops out for solve current insulin pen and be equipped with the not convenient to operate's in the aspect of the syringe needle problem.

In order to solve the technical problem, the utility model provides a pop-up insulin pen device, which comprises a pen body, a pen core frame and a pen cap, wherein the pen cap is sleeved at the end of the pen core frame through threads, a cavity structure with a circular ring-shaped cross section is arranged at the position close to the outer wall in the pen cap, a fixing plate is axially arranged at the position of the cavity structure corresponding to the front wall, a circumferential spring is connected to one side of the fixing plate, a plurality of clapboards and needle head parts are arranged between the other end of the circumferential spring and the other side of the fixing plate at intervals, the clapboards and the needle head parts are respectively clamped in the circular ring-shaped cavity in a sliding manner, a longitudinal groove is arranged at the position of the outer wall of the pen cap corresponding to the side of the fixing plate far away from the circumferential spring, the width of the longitudinal groove is equal to the thickness of the clapboards, a bottom end of the longitudinal groove is clamped with, the central point of cap for brush terminal surface puts the screw thread and has cup jointed rotatory cylinder, rotatory cylinder is the cavity structure, and the lateral wall has seted up the side along the axial and has led to the groove, the terminal surface position placed in the middle of rotatory cylinder has seted up the aperture, lie in the cap for brush rotatory cylinder with the position between the vertical groove set up with the spout of syringe needle portion bottom slip joint, and the inner end of spout is followed the axial of cap for brush set up with syringe needle portion bottom slip cup joints the through-hole that matches, the terminal surface position placed in the middle of the refill frame has cup jointed the logical liquid terminal along the axial.

Preferably, syringe needle portion includes syringe needle and syringe needle base, the non-most advanced fixed cover of syringe needle connect in the axle center position of syringe needle base, the terminal surface of syringe needle base is spherical convex surface structure, the outer terminal surface that leads to the liquid terminal is spherical concave surface structure, and leads to the inner end of liquid terminal and be the pointed cone structure to it is sealed with leading to the liquid terminal connection terminal to be convenient for syringe needle base and lead to the liquid terminal, and be convenient for impale the refill terminal surface.

Preferably, a cylindrical groove is formed in the center of the end face of the refill frame, the liquid passing terminal is sleeved at the outer end of the cylindrical groove, a longitudinal spring is connected between the inner side face of the liquid passing terminal and the inner side face of the cylindrical groove, and a through hole with the diameter equal to that of the root of the pointed cone structure of the liquid passing terminal is formed in the center of the inner side face of the cylindrical groove, so that the needle head part and the refill are communicated through the liquid passing terminal.

Preferably, the outer side surface of the partition plate is connected with a partition part, a transverse groove is formed in the outer wall of the pen cap corresponding to the partition part, the partition part and the connecting part of the partition plate are in sliding clamping connection in the transverse groove, the length of the partition part is equal to the distance between the outer ends of two adjacent partition plates in the annular cavity, so that the needle head part is ensured to be in the closed space, and the needle head part is prevented from being polluted due to contact with the outside air.

Preferably, the ejection portion comprises an ejection plate, the ejection plate is located in the annular cavity of the pen cap, and the upper surface of the ejection plate and the bottom end of the needle head portion are located on the same plane, so that the next partition plate can conveniently pass through and the next needle head portion can conveniently be ejected after the next partition plate is limited and the ejection plate is reset.

Preferably, the width of the square strip and the side through groove is equal to the outer diameter of the needle head, so that the needle head can penetrate out of the clamping groove of the square strip and enter the inner cavity of the rotating cylinder through the side through groove.

Preferably, the diameter of the small hole at the central position of the end surface of the rotating cylinder is equal to the outer diameter of the needle, so that the needle can conveniently penetrate out of the small hole.

Compared with the prior art, the utility model provides a pair of insulin pen device of formula of popping out has following beneficial effect:

1. when the needle head part is installed, the partition plate is firstly drawn out from the longitudinal groove, the needle head part close to the longitudinal groove slides to the position corresponding to the chute under the action of the elastic force of the annular spring, then the square strip is drawn out from the end surface of the pen cap, and the rotating cylinder is rotated to stretch out and the side through groove is aligned with the longitudinal groove; the needle head part is jacked upwards through the jacking part, the tip end of the needle head part extends out of the groove opening of the square bar of the end surface clamping connection of the pen cap, and the bottom end of the needle head part is aligned with the sliding groove; the bottom of needle head portion is abutted through the square strip, the bottom of needle head portion slides towards the inner end of the sliding groove along the sliding groove, the tip end of the needle head portion penetrates through the through groove in the side face, when the needle head portion slides to the innermost end of the sliding groove, the rotating cylinder is rotated to screw in the inner cavity of the pen cap, the inner end of the rotating cylinder abuts against the needle head portion, the needle head portion slides towards the pen refill frame until the bottom of the needle head portion is matched with the outer end face of the liquid passing terminal, the liquid passing terminal is further jacked towards the inside of the pen refill frame, and the inner end of the liquid passing terminal pierces through the end face of the pen refill in the pen refill frame, so that preparation work before injection of.

2. The utility model relates to a plurality of needle heads can be held in the cylindrical inner chamber of the pen cap, so that the needle heads can be more convenient to carry about, and the pen cap is convenient to be equipped with and used when a hyperglycemia patient goes out.

3. The utility model relates to an every syringe needle portion all is independently separated in pen cap ring shape cavity by the baffle, and direct contact syringe needle portion has been avoided in installation needle head process, and is more sanitary, has improved the security that syringe needle portion used greatly.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a partial front view of the cartridge holder of the present invention;

FIG. 3 is a schematic view of the pen cap of the present invention;

FIG. 4 is a schematic side view of the pen cap of the present invention;

FIG. 5 is a schematic cross-sectional view A-A of FIG. 3 according to the present invention;

fig. 6 is a schematic sectional view of the structure of fig. 3B-B according to the present invention.

Reference numbers in the figures: 1-a pen body; 2-a refill holder; 21-liquid through terminal; 22-cylindrical grooves; 23-a longitudinal spring; 3-a pen cap; 31-longitudinal grooves; 32-a partition; 321-a partition plate; 33-a push-out part; 331-ejector plate; 34-a chute; 35-a transverse groove; 36-a fixed plate; 4-rotating the cylinder; 41-side through groove; 5-square bar; 6-a needle head; 61-needle head; 62-a needle base; 7-ring spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1-6, wherein fig. 1 is a schematic overall perspective view of the present invention; FIG. 2 is a schematic view of a partial front view of the cartridge holder of the present invention; FIG. 3 is a schematic view of the pen cap of the present invention; FIG. 4 is a schematic side view of the pen cap of the present invention; FIG. 5 is a schematic cross-sectional view A-A of FIG. 3 according to the present invention; FIG. 6 is a schematic cross-sectional view of the cross-sectional view B-B of FIG. 3 according to the present invention; a pop-up insulin pen device comprises a pen body 1, a pen core frame 2 and a pen cap 3, wherein the pen cap 3 is sleeved at the end of the pen core frame 2 in a threaded manner, a cavity structure with a circular section is arranged in the pen cap 3 close to the outer wall, the cavity structure is provided with a fixing plate 36 corresponding to the front wall along the axial direction, one side surface of the fixing plate 36 is connected with a circumferential spring 7, a plurality of partition plates 321 and needle head parts 6 are arranged between the other end of the circumferential spring 7 and the other side surface of the fixing plate 36 at intervals, the partition plates 321 and the needle head parts 6 are respectively clamped in the circular cavity in a sliding manner, a longitudinal groove 31 is arranged on the outer wall of the pen cap 3 corresponding to the side surface of the fixing plate 36 far away from the circumferential spring 7, the width of the longitudinal groove 31 is equal to the thickness of the partition plates 321, an ejection part 33 is clamped at the bottom end of the, the central point of 3 terminal surfaces of cap for brush puts the screw thread and has cup jointed rotatory cylinder 4, rotatory cylinder 4 is the cavity structure, and the lateral wall has seted up the side along the axial and has led to the groove 41, the terminal surface position placed in the middle of rotatory cylinder 4 has seted up the aperture, the position that lies in between rotatory cylinder 4 and the vertical groove 31 in the cap for brush 3 sets up the spout 34 with 6 bottom slip joint of syringe needle portion, and the through-hole that cup joints the matching is seted up with 6 bottom slips of syringe needle portion along the axial of cap for brush 3 in the inner end of spout 34, the terminal surface position placed in the middle of cartridge frame 2 has cup jointed logical liquid terminal.

In a specific implementation process, the pen core is firstly arranged in the pen core frame 2, the pen core frame 2 and the pen body 1 are assembled, and the pen cap 3 is spirally sleeved at the end of the pen core frame 2; the partition 321 is drawn out from the longitudinal groove 31, and the needle head part 6 close to the longitudinal groove 31 slides to a position corresponding to the direction of the sliding groove 34 under the action of the elastic force of the annular spring 7; the square bar 5 is pulled out from the end face of the pen cap 3, the rotating cylinder 4 is rotated to extend outwards from the pen cap 3 in a rotating way, and the side through groove 41 is aligned with the longitudinal groove 31; the ejection part 33 slides along the longitudinal groove 31, the needle head part 6 is ejected upwards through the ejection part 33, so that the tip end of the needle head part 6 extends out of the notch of the end surface clamping square strip 5 of the pen cap 3, and the bottom end of the needle head part 6 is aligned with the sliding groove 34; the square bar 5 is abutted against the bottom end of the needle head part 6, so that the bottom end of the needle head part 6 slides towards the inner end of the slide groove 34, the tip end of the needle head part 6 penetrates through the side through groove 41, when the needle head part 6 slides to the innermost end of the slide groove 34, the rotating cylinder 4 is rotated to be screwed into the inner cavity of the pen cap 3, the inner end of the rotating cylinder 4 is abutted against the needle head part 6, so that the needle head part 6 slides towards the pen refill frame 2 until the bottom end of the needle head part 6 is matched with the outer end face of the liquid through terminal 21, the liquid through terminal 21 is further jacked towards the interior of the pen refill frame 2, and the inner end of the liquid through terminal 21 pierces through the end face of the pen refill in the pen refill frame 2, so that the preparation.

In this embodiment, the needle head portion 6 includes a needle 61 and a needle base 62, a non-pointed end of the needle 61 is fixedly sleeved at an axial center position of the needle base 62, an end surface of the needle base 62 is a spherical convex surface structure, an outer end surface of the liquid passing terminal 21 is a spherical concave surface structure, and an inner end of the liquid passing terminal 21 is a pointed cone structure; when the pen is used, the needle base 62 is just matched with the liquid through terminal 21 when the rotary cylinder 4 pushes the needle base 62 to move towards the direction of the pen refill holder 2, and the connecting surface is tightly attached; the end face of the pen core is conveniently pierced through by the pointed cone structure of the liquid passing terminal 21.

In the embodiment, a cylindrical groove 22 is formed in the center of the end face of the pen refill holder 2, the liquid passing terminal 21 is sleeved at the outer end of the cylindrical groove 22, a longitudinal spring 23 is connected between the inner side face of the liquid passing terminal 21 and the inner side face of the cylindrical groove 22, and a through hole with the diameter equal to that of the root of the pointed cone structure of the liquid passing terminal 21 is formed in the center of the inner side face of the cylindrical groove 22; when the needle head base 62 pushes the liquid passing terminal 21 in use, the liquid passing terminal 21 slides along the cylindrical groove 22 to compress the longitudinal spring 23, and the pointed cone structure penetrates through the end face of the pen core through the through hole.

In this embodiment, the outer side surface of the partition plate 321 is connected with a partition portion 32, a transverse groove 35 is formed in the outer wall of the pen cap 3 corresponding to the partition portion 32, the connection portion of the partition portion 32 and the partition plate 321 is slidably clamped in the transverse groove 35, and the length of the partition portion 32 is equal to the distance between the outer ends of two adjacent partition plates 321 in the circular cavity; when in use, the transverse groove 35 can be blocked by the partition part 32, so that the needle head part 6 is prevented from being polluted by contacting with the outside air through the transverse groove 35.

In this embodiment, the ejecting portion 33 includes an ejecting plate 331, the ejecting plate 331 is located in the annular cavity of the pen cap 3, and an upper surface of the ejecting plate 331 and a bottom end of the needle head portion 6 are located on the same plane; when in use, the needle head part 6 is pushed by the ejection plate 331 so that the needle head part 6 can be opposite to the chute 34; meanwhile, the ejector plate 331 can stop the movement of the next partition 321, after the previous needle head segment 6 is mounted and the ejector plate 331 is reset, the next partition 321 can pass through the upper surface of the ejector plate 331, and the next needle head segment 6 can be located above the ejector plate 331, so that the needle head segment 6 can be ejected and mounted conveniently.

In this embodiment, the width of the square bar 5 and the side through groove 41 is equal to the outer diameter of the needle 61; so that the needle 61 can smoothly pass through the slot of the square bar 5 and enter the inner cavity of the rotary cylinder 4 from the side through slot 41 when in use.

In this embodiment, the aperture of the small hole at the central position of the end surface of the rotating cylinder 4 is equal to the outer diameter of the needle 61; so that when the rotating cylinder 4 is screwed in the direction of the cap 3, the needle 61 can just penetrate out of the small hole.

The utility model provides a theory of operation as follows: firstly, a pen core is arranged in a pen core frame 2, the assembly of the pen core frame 2 and a pen body 1 is completed, and a pen cap 3 is spirally sleeved at the end of the pen core frame 2; the partition 321 is drawn out from the longitudinal groove 31 through the partition 32, and the needle head part 6 close to the longitudinal groove 31 slides to a position corresponding to the direction of the sliding groove 34 under the elastic force of the annular spring 7; the square bar 5 is pulled out from the end face of the pen cap 3, the rotating cylinder 4 is rotated to extend outwards from the pen cap 3 in a rotating way, and the side through groove 41 is aligned with the longitudinal groove 31; the ejection part 33 slides along the longitudinal groove 31, the needle head part 6 is ejected upwards through the ejection plate 331, so that the needle head 61 extends out of the notch of the end surface clamping square strip 5 of the pen cap 3, and the needle head base 62 is aligned with the sliding groove 34; the square strip 5 is abutted against the needle base 62, so that the needle base 62 and the needle 61 slide towards the inner end of the slide groove 34, the needle 61 penetrates through the side through groove 41, when the needle base 62 slides to the innermost end of the slide groove 34, the rotating cylinder 4 is rotated to be screwed into the inner cavity of the pen cap 3, the inner end of the rotating cylinder 4 is abutted against the end face, positioned on the periphery of the needle 61, of the needle base 62, so that the needle head part 6 slides towards the pen core frame 2 until the needle base 62 is matched with the outer end face of the liquid through terminal 21, the liquid through terminal 21 is further jacked towards the interior of the pen core frame 2, the liquid through terminal 21 compresses the longitudinal spring 23 to slide towards the inner end of the cylindrical groove 22 along the inner wall of the cylindrical groove, the pointed cone structure of the liquid through terminal 21 pierces the end face of the pen core in the pen core frame 2, and the penetration of; the square strip 5 is clamped on the end face of the pen cap 3 again in a sliding mode, the ejection part 33 slides along the longitudinal groove 31 to enable the pen cap to reset, and the next group of needle head parts 6 and the partition plate 321 slide to be close to the longitudinal groove 31 under the elastic force of the annular spring 7 so as to be convenient for the next needle head part 6 to be equipped and used.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides an insulin pen device of formula that pops out, includes body of a brush (1), refill frame (2) and cap for brush (3), its characterized in that: the pen cap (3) is in threaded sleeve connection with the end of the refill holder (2), a cavity structure with a circular ring-shaped cross section is arranged in the pen cap (3) close to the outer wall, a fixing plate (36) is axially arranged at the position of the cavity structure corresponding to the front wall, a circumferential spring (7) is connected to one side of the fixing plate (36), a plurality of partition plates (321) and needle head parts (6) are arranged between the other end of the circumferential spring (7) and the other side of the fixing plate (36) at intervals, the partition plates (321) and the needle head parts (6) are respectively in sliding clamping connection with the circular ring-shaped cavity, a longitudinal groove (31) is formed in the position of the outer wall of the pen cap (3) corresponding to the side of the fixing plate (36) far away from the circumferential spring (7), the width of the longitudinal groove (31) is equal to the thickness of the partition plates (321), and an ejection part (33), the pen cap is characterized in that the end face of the pen cap (3) corresponds to the top end of the longitudinal groove (31) and is connected with a square bar (5) in a sliding and clamping mode along the radial direction, a rotating cylinder (4) is sleeved at the central position of the end face of the pen cap (3) in a threaded mode, the rotating cylinder (4) is of a cavity structure, a side face through groove (41) is formed in the side wall of the rotating cylinder along the axial direction, a small hole is formed in the end face middle position of the rotating cylinder (4), a sliding groove (34) which is connected with the needle head portion (6) in a sliding and clamping mode is formed in the position between the rotating cylinder (4) and the longitudinal groove (31) in the pen cap (3), a through hole matched with the needle head portion (6) in a sliding and sleeving mode is formed in the axial direction in the inner end of the sliding groove (34), and a liquid through terminal (21).

2. A pop-up insulin pen device as claimed in claim 1, wherein: needle head portion (6) include syringe needle (61) and syringe needle base (62), the fixed cover of non-point end of syringe needle (61) connect in the axle center position of syringe needle base (62), the terminal surface of syringe needle base (62) is spherical convex surface structure, lead to the outer terminal surface of liquid terminal (21) and be spherical concave surface structure, and lead to the inner end of liquid terminal (21) and be the pointed cone structure.

3. A pop-up insulin pen device as claimed in claim 2, wherein: the pen core frame is characterized in that a cylindrical groove (22) is formed in the center of the end face of the pen core frame (2), the liquid passing terminal (21) is sleeved at the outer end of the cylindrical groove (22), a longitudinal spring (23) is connected between the inner side face of the liquid passing terminal (21) and the inner side face of the cylindrical groove (22), and a through hole with the diameter equal to that of the root of a pointed cone structure of the liquid passing terminal (21) is formed in the center of the inner side face of the cylindrical groove (22).

4. A pop-up insulin pen device as claimed in claim 1, wherein: the lateral surface of baffle (321) is connected with partition portion (32), cap for brush (3) outer wall corresponds partition portion (32) department has seted up cross slot (35), partition portion (32) with the coupling part sliding connection of baffle (321) in cross slot (35), the length of partition portion (32) equals the distance between two adjacent baffle (321) outer ends in the annular cavity.

5. A pop-up insulin pen device as claimed in claim 1, wherein: the ejection part (33) comprises an ejection plate (331), the ejection plate (331) is located in the annular cavity of the pen cap (3), and the upper surface of the ejection plate (331) and the bottom end of the needle head part (6) are in the same plane.

6. A pop-up insulin pen device as claimed in claim 3, wherein: the width of the square strip (5) and the side through groove (41) is equal to the outer diameter of the needle head (61).

7. A pop-up insulin pen device as claimed in claim 3, wherein: the aperture of the small hole in the center of the end face of the rotating cylinder (4) is equal to the outer diameter of the needle (61).