CN218832766U

CN218832766U - Blood sampling pen convenient to operate

Info

Publication number: CN218832766U
Application number: CN202222059699.1U
Authority: CN
Inventors: 陈臣; 吴伟; 陈祺栋; 肖阳
Original assignee: Suzhou Rococo Creative Industry Co ltd
Current assignee: Suzhou Rococo Creative Industry Co ltd
Priority date: 2022-08-06
Filing date: 2022-08-06
Publication date: 2023-04-11
Anticipated expiration: 2032-08-06

Abstract

The utility model discloses a blood sampling pen convenient to operate, which comprises a first pen cap, a second pen cap, a needle seat, a shell and a tail knob, wherein a pen point is installed at one end of the first pen cap, a first spring is installed in the pen point, a pen point connecting piece is installed at one end of the pen point, which is positioned at the first spring, and a second pen cap is installed at one end of the pen point connecting piece, which is far away from the pen point; a needle seat is movably mounted at one end of the shell, a tail knob is mounted at the other end of the shell, an ejector rod is arranged in the shell, one end of the ejector rod extends into the needle seat, and the other end of the ejector rod extends into the tail knob; the middle part of the thimble rod is provided with a bump for limiting, one end of the thimble rod, which is far away from the needle seat, is provided with a limiting plate, and the thimble rod is sleeved with a second spring and a third spring. The utility model has the tail knob which can adjust the insertion depth of the blood taking needle; the functionality is better.

Description

Blood sampling pen convenient to operate

Technical Field

The utility model relates to a blood sampling pen technical field specifically is a blood sampling pen of simple operation.

Background

With the continuous change of life quality and living environment, patients with diabetes are increasing, and it is known that the diabetes patients need to frequently monitor the blood sugar level in body fluid to manage the amount of glucose taken in daily diet and the amount of insulin to be injected, so blood glucose meters and blood sampling pens and blood glucose test strips used with the blood glucose meters become necessities.

The existing blood sampling pen applies ejection force to a blood sampling needle by utilizing the ejection principle of a spring so as to puncture the blood sampling needle to finish blood sampling, but the existing blood sampling pen cannot adjust the insertion depth of the blood sampling needle and has relatively single function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple operation's blood sampling pen to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a blood sampling pen convenient to operate comprises a first pen cap, a second pen cap, a needle base, a shell and a tail knob, wherein a pen point is mounted at one end of the first pen cap, a first spring is mounted in the pen point, a pen point connecting piece is mounted at one end, located at the first spring, of the pen point, and a second pen cap is mounted at one end, far away from the pen point, of the pen point connecting piece; a needle seat is movably mounted at one end of the shell, a tail knob is mounted at the other end of the shell, an ejector pin rod is arranged in the shell, one end of the ejector pin rod extends into the needle seat, and the other end of the ejector pin rod extends into the tail knob; the thimble rod middle part is provided with and is used for spacing arch, the thimble rod is kept away from needle file one end and is installed the limiting plate, the cover has second spring and third spring on the thimble rod, the second spring both ends are supported respectively on needle file and afterbody knob, the third spring both ends are supported respectively on afterbody knob and limiting plate.

Preferably, the needle base is connected with the ejector pin rod through an insertion rod, and a strip-shaped hole for the insertion rod to penetrate through is formed in the needle base.

Preferably, a sealing cover is installed at one end, far away from the shell, of the tail knob.

Preferably, a guide groove is formed in the outer side of the pen point connecting piece, and a guide head matched and connected with the guide groove is arranged on the pen point.

Preferably, the guide groove is arranged obliquely.

Preferably, at least two guide grooves and at least two guide heads are arranged.

Compared with the prior art, the beneficial effects of the utility model are that: when the spring type blood taking needle is used, the spring can be excited by aligning the blood taking needle with fingers and pressing down the pen point part of the blood taking pen, and the insertion depth of the blood taking needle can be adjusted by ejecting the blood taking needle out of the tail knob; the functionality is better.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 isbase:Sub>A cross-sectional view of the present invention A-A;

fig. 5 is a side view of the present invention;

FIG. 6 is a cross-sectional view of the present invention B-B;

FIG. 7 is a schematic view of the structure of the pen head and the pen head connecting piece of the present invention.

In the figure: 1. a first cap; 2. a pen point; 3. a first spring; 4. a pen point connecting piece; 5. a second cap; 6. a needle seat; 7. inserting a rod; 8. a second spring; 9. a thimble rod; 10. a housing; 11. a tail knob; 12. a third spring; 13. sealing the cover; 14. a limiting plate; 15. a strip-shaped hole; 21. a guide head; 41. a guide groove.

Detailed Description

To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, in an embodiment of the present invention, a blood sampling pen with convenient operation includes a first cap 1, a second cap 5, a needle base 6, a housing 10, and a tail knob 11, wherein a pen point 2 is installed at one end of the first cap 1, a first spring 3 is installed in the pen point 2, a pen point connecting piece 4 is installed at one end of the pen point 2, which is located at the first spring 3, and a second cap 5 is installed at one end of the pen point connecting piece 4, which is far away from the pen point 2; a needle seat 6 is movably mounted at one end of the shell 10, a tail knob 11 is mounted at the other end of the shell 10, an ejector rod 9 is arranged in the shell 10, one end of the ejector rod 9 extends into the needle seat 6, and the other end of the ejector rod 9 extends into the tail knob 11; a protrusion for limiting is arranged in the middle of the thimble rod 9, a limiting plate 14 is mounted at one end, away from the needle seat 6, of the thimble rod 9, a second spring 8 and a third spring 12 are sleeved on the thimble rod 9, two ends of the second spring 8 respectively abut against the needle seat 6 and a tail knob 11, and two ends of the third spring 12 respectively abut against the tail knob 11 and the limiting plate 14; the needle seat 6 is connected with the thimble rod 9 through an insertion rod 7, and a strip-shaped hole 15 for the insertion rod 7 to penetrate through is formed in the needle seat 6; a sealing cover 13 is arranged at one end of the tail knob 11 far away from the shell 10; the outer side of the pen point connecting piece 4 is provided with a guide groove 41, and the pen point 2 is provided with a guide head 21 which is matched and connected with the guide groove 41; the guide groove 41 is obliquely arranged; at least two guide grooves 41 and at least two guide heads 21 are arranged; the user only needs to insert the blood taking needle into the needle seat 6, tightly presses the spring when covering the pen cap, aims the blood taking pen at the finger during use, presses down the pen head part of the blood taking pen, can excite the spring, and can adjust the insertion depth of the blood taking needle by ejecting the blood taking needle out of the tail knob 11.

The utility model discloses a theory of operation is: the user only needs to insert the blood taking needle into the needle seat 6, and the first spring 3 is compressed when the pen cap is covered, so that the blood taking pen is aligned to the finger during use, the pen head part of the blood taking pen is pressed down, the second spring 8 can be excited, and the blood taking needle can be ejected out of the tail knob 11 to adjust the insertion depth of the blood taking needle.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a blood sampling pen of simple operation, includes first cap (1), second cap (5), needle file (6), casing (10) and afterbody knob (11), its characterized in that: a pen point (2) is mounted at one end of the first pen cap (1), a first spring (3) is mounted in the pen point (2), a pen point connecting piece (4) is mounted at one end, located at the first spring (3), of the pen point (2), and a second pen cap (5) is mounted at one end, far away from the pen point (2), of the pen point connecting piece (4); a needle seat (6) is movably mounted at one end of the shell (10), a tail knob (11) is mounted at the other end of the shell (10), an ejector rod (9) is arranged in the shell (10), one end of the ejector rod (9) extends into the needle seat (6), and the other end of the ejector rod (9) extends into the tail knob (11); thimble (9) middle part is provided with and is used for spacing arch, thimble (9) are kept away from needle file (6) one end and are installed limiting plate (14), the cover has second spring (8) and third spring (12) on thimble (9), second spring (8) both ends are supported respectively on needle file (6) and afterbody knob (11), third spring (12) both ends are supported respectively on afterbody knob (11) and limiting plate (14).

2. The blood collection pen convenient to operate according to claim 1, characterized in that: connect through inserted bar (7) between needle file (6) and thimble (9), set up on needle file (6) and supply inserted bar (7) to run through bar hole (15).

3. The blood sampling pen convenient to operate according to claim 1, characterized in that: and a sealing cover (13) is arranged at one end of the tail knob (11) far away from the shell (10).

4. The blood sampling pen convenient to operate according to claim 1, characterized in that: the outer side of the pen point connecting piece (4) is provided with a guide groove (41), and the pen point (2) is provided with a guide head (21) which is matched and connected with the guide groove (41).

5. The blood collection pen convenient to operate according to claim 4, characterized in that: the guide groove (41) is obliquely arranged.

6. The lancet pen of claim 4 or 5, wherein: at least two guide grooves (41) and at least two guide heads (21) are arranged.