CN210843067U - Tail cap of blood sampling pen - Google Patents
Tail cap of blood sampling pen Download PDFInfo
- Publication number
- CN210843067U CN210843067U CN201921288585.6U CN201921288585U CN210843067U CN 210843067 U CN210843067 U CN 210843067U CN 201921288585 U CN201921288585 U CN 201921288585U CN 210843067 U CN210843067 U CN 210843067U
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- China
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- tail cap
- inner core
- connecting piece
- blood sampling
- tail
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Abstract
The utility model provides a tail cap of a blood sampling pen, which comprises a tail cap shell and a tail cap inner core, wherein the tail cap shell is a cylindrical tubular structure which is communicated from front to back, and the tail cap inner core is arranged inside the tail cap shell; the tail cap inner core comprises a fixing piece and a connecting piece, the fixing piece is fixedly arranged at the tail part of the tail cap, the connecting piece is used for fixing the blood sampling pen inner core, and the connecting piece is connected with the tail cap outer shell in a sliding mode; the tail cap inner core further comprises a thrust spring arranged between the fixing piece and the connecting piece, and the thrust spring is used for applying thrust to the connecting piece; the outside of connecting piece is equipped with the fender ring, the inside blocking surface that corresponds with the fender ring that is equipped with of tail cap shell, blocking surface is used for blocking the fender ring, blocking surface is used for injecing the displacement of connecting piece. Blood sampling pen tail cap be used for fixing the main part inner core to be equipped with thrust spring, provide thrust for the inner core through thrust spring, make the blood sampling needle prick out automatically.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, especially, relate to a blood sampling pen tail cap.
Background
When people carry out medical diagnosis or routine examination, blood sampling tests are mostly needed, the blood sampling mode is different according to the amount of blood to be sampled, when a small amount of blood samples need to be taken, most doctors puncture the index finger or middle finger belly of a person to be detected through the needle, then the flowing blood is sucked by a glass capillary suction tube for detection, a needle head is adopted to puncture the finger belly for blood sampling, the requirement on the experience of medical staff is higher, sometimes the puncture depth is not enough, secondary puncture blood sampling is needed, sometimes the puncture depth is deeper, not only the pain of the person to be detected is more caused, but also more blood is generated, to the human damage that causes, based on above-mentioned problem, the urgent need for a blood sampling pen can pierce specific degree of depth, and it is more scientific to get blood, reduces and treats the painful of personnel, and this patent application is the tail cap of blood sampling pen for provide power for the inner core of blood sampling pen.
Disclosure of Invention
In view of this, the present invention is directed to a tail cap of a blood sampling pen, which can provide power for a blood sampling needle and fix the penetration depth.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a tail cap of a blood sampling pen comprises a tail cap shell and a tail cap inner core, wherein the tail cap shell is of a cylindrical tubular structure communicated from front to back, the tail cap inner core is arranged in the tail cap shell, and the tail cap shell is connected with a main body of the blood sampling pen through threads;
the tail cap inner core comprises a fixing piece and a connecting piece, the fixing piece is fixedly arranged at the tail part of the tail cap, the connecting piece is used for fixing the blood sampling pen inner core, and the connecting piece is connected with the tail cap outer shell in a sliding mode;
the tail cap inner core further comprises a thrust spring arranged between the fixing piece and the connecting piece, and the thrust spring is used for applying thrust to the connecting piece;
the outside of connecting piece is equipped with the fender ring, the inside blocking surface that corresponds with the fender ring that is equipped with of tail cap shell, blocking surface is used for blocking the fender ring, blocking surface is used for injecing the displacement of connecting piece.
Furthermore, the tail cap shell is provided with a threaded portion at one end connected with the main body, the diameter of the threaded portion is smaller than that of the tail cap shell, the blood sampling pen main body is provided with an internal threaded hole corresponding to the threaded portion, and the tail cap shell is in threaded connection with the main body.
Furthermore, the inner diameter of the tail cap outer shell is larger than that of the threaded portion, and a blocking surface is formed at the connecting position of the tail cap outer shell and the inner portion of the threaded portion.
Furthermore, more than one distance adjusting ring is correspondingly arranged on the thread part, the distance adjusting ring is of an annular structure, and the distance adjusting ring is sleeved on the outer side of the thread part;
the thickness of each distance adjusting ring is the same, and the distance adjusting rings are used for adjusting the distance between the stop ring and the stop face.
Further, the fixing piece is arranged at the tail end of the tail cap shell, the tail cap shell is provided with an internal threaded hole corresponding to the fixing piece, and the tail cap shell is in threaded connection with the fixing piece;
the fixing piece is used for adjusting the elastic force of the thrust spring.
Furthermore, the connecting piece comprises a guide pipe, a stop plate and a connecting pipe which are fixedly connected in sequence, the outer diameter of the guide pipe corresponds to the inner diameter of the threaded part, and the guide pipe is used for fixing the movement direction of the connecting piece;
the outer diameter of the blocking plate is larger than that of the guide pipe and the connecting pipe, and the part of the blocking plate extending to the outer sides of the guide pipe and the connecting pipe forms a blocking ring;
one end of the thrust spring is arranged on the inner side of the connecting pipe, and the other end of the thrust spring is arranged on the outer side of a guide post formed by the fixing piece extending outwards.
Furthermore, a clamping hole is formed in the center of the blocking plate, a clamping groove corresponding to the clamping hole is formed in the end portion of the inner core of the blood sampling pen, and the inner core is clamped with the clamping hole;
the diameter of the end, close to the main body, of the clamping hole is larger than that of the other end of the clamping hole, and the clamping hole is connected with the main body through an inclined surface.
Compared with the prior art, blood sampling pen tail cap have following advantage:
(1) the tail cap of the blood sampling pen is used for fixing the inner core of the main body and is provided with the thrust spring, and the thrust spring provides thrust for the inner core, so that the blood sampling pen can automatically puncture out; main part inner core one end and connecting piece fixed connection, the other end are equipped with the blood taking needle, and the inside face that blocks that corresponds with the connecting piece that is equipped with of tail cap for inject the displacement of connecting piece, and then the degree of depth of piercing of fixed blood taking needle makes the blood sampling more scientific.
(2) Blood sampling pen tail cap be equipped with the distance adjusting ring, through increasing or reducing the distance adjusting ring on screw thread portion, can change the interval that keeps off the ring and stop the face, adjust the displacement of connecting piece, and then adjust the degree of depth of piercing of blood sampling needle.
(3) The length that can adjust thrust spring of blood sampling pen tail cap pass through the mounting, and then adjust thrust spring's elasticity size, change the dynamics of puncturing of blood sampling needle.
Drawings
The accompanying drawings, which form a part hereof, 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 invention without undue limitation. In the drawings:
FIG. 1 is an overall structure diagram of a tail cap of a blood sampling pen according to an embodiment of the present invention;
fig. 2 is an overall sectional view of the blood sampling pen according to the embodiment of the present invention.
Description of reference numerals:
1. a tail cap housing; 11. a threaded portion; 12. a distance adjusting ring; 2. a connecting member; 21. a guide tube; 22. a blocking plate; 23. a connecting pipe; 3. a spring; 4. a fixing member; 41. a guide post; 5. the main body inner core.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and 2, a tail cap of a blood sampling pen comprises a tail cap shell 1 and a tail cap inner core, wherein the tail cap shell 1 is of a cylindrical tubular structure communicated from front to back, the tail cap inner core is arranged inside the tail cap shell 1, and the tail cap shell 1 is connected with a blood sampling pen main body through threads;
the tail cap inner core comprises a fixing piece 4 and a connecting piece 2, the fixing piece 4 is fixedly arranged at the tail part of the tail cap, the connecting piece 2 is used for fixing the blood sampling pen inner core, and the connecting piece 2 is connected with the tail cap outer shell 1 in a sliding mode;
the tail cap inner core further comprises a thrust spring 3 arranged between the fixing piece 4 and the connecting piece 2, and the thrust spring 3 is used for applying thrust to the connecting piece 2;
the outside of connecting piece 2 is equipped with the fender ring, tail cap shell 1 is inside to be equipped with the face that blocks that corresponds with the fender ring, block the face and be used for blocking the fender ring, block the face and be used for injecing the displacement distance of connecting piece 2.
The blood sampling pen is characterized in that a threaded portion 11 is arranged at one end, connected with the main body, of the tail cap shell 1, the diameter of the threaded portion 11 is smaller than that of the tail cap shell 1, an internal threaded hole corresponding to the threaded portion 11 is formed in the blood sampling pen main body, and the tail cap shell 1 is connected with the main body through threads.
One end of the main body inner core 5 is fixedly clamped with the clamping hole, the other end of the main body inner core 5 is fixedly provided with a blood taking needle, the main body inner core 5 is clamped with the blood taking needle body through a shifting sheet, a key is arranged on the main body, the key is pressed downwards, the shifting sheet of the main body inner core 5 is separated from the main body, the main body inner core 5 is pushed upwards under the action of the thrust spring 3, the blood taking needle is pierced through a needle hole on the pen cap, a blocking ring can be blocked by a blocking surface after one end of the piercing is separated, and the movement distance of the main body inner core 5 is; because main part inner core 5 and connecting piece 2 are fixed joint, the distance that connecting piece 2 moved is exactly the distance that the blood taking needle moved, before pressing the button, keep off the ring and block the face and have certain interval, press the button after, main part inner core 5 is in the twinkling of an eye upward movement under the effect of elastic component, stop just until blocking the face and block the ring, just also make the distance that each blood taking needle pricked be fixed.
The inner diameter of the tail cap shell 1 is larger than that of the thread part 11, and a stop surface is formed at the connecting position of the tail cap shell 1 and the thread part 11. The tail cap shell 1 and the main body are connected internally, so that the appearance is more attractive.
The thread part 11 is correspondingly provided with more than one distance adjusting ring 12, the distance adjusting ring 12 is of an annular structure, and the distance adjusting ring 12 is sleeved on the outer side of the thread part 11;
the thickness of each distance adjusting ring 12 is the same, and the distance adjusting rings 12 are used for adjusting the distance between the stop ring and the stop face. Because the main body inner core 5 and the connecting piece 2 are fixedly connected, and the connecting piece 2 is arranged in the tail cap shell 1, when the distance adjusting ring 12 is additionally or decreasingly arranged between the tail cap shell 1 and the main body, the distance between the blocking surface and the blocking ring is shortened or lengthened, and the effect of changing the pricking distance is further achieved.
The fixing piece 4 is arranged at the tail end of the tail cap shell 1, the tail cap shell 1 is provided with an internal threaded hole corresponding to the fixing piece 4, and the tail cap shell 1 is in threaded connection with the fixing piece 4; the fixing piece 4 is used for adjusting the elastic force of the thrust spring 3.
The connecting piece 2 comprises a guide tube 21, a stop plate 22 and a connecting tube 23 which are fixedly connected in sequence, the outer diameter of the guide tube 21 corresponds to the inner diameter of the thread part 11, and the guide tube 21 is used for fixing the moving direction of the connecting piece 2; the screw portion 11 also serves to guide the connector 2, increasing stability during blood collection.
The outer diameter of the blocking plate 22 is larger than that of the guide pipe 21 and the connecting pipe 23, and the part of the blocking plate 22 extending to the outer sides of the guide pipe 21 and the connecting pipe 23 forms a retaining ring;
one end of the thrust spring 3 is disposed inside the connection pipe 23, and the other end is disposed outside a guide post 41 formed by extending the fixing member 4 outward.
A clamping hole is formed in the center of the barrier plate 22, a clamping groove corresponding to the clamping hole is formed in the end of the inner core of the blood sampling pen, and the inner core is clamped with the clamping hole; the diameter of the end, close to the main body, of the clamping hole is larger than that of the other end of the clamping hole, and the clamping hole is connected with the main body through an inclined surface. As shown in fig. 2, the tail of the main body inner core 5 is provided with a clamping structure corresponding to the clamping hole, and the main body inner core 5 cannot be detached after being fixedly connected with the clamping hole.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A tail cap of a blood sampling pen is characterized in that: the blood sampling pen comprises a tail cap shell and a tail cap inner core, wherein the tail cap shell is of a cylindrical tubular structure communicated from front to back, the tail cap inner core is arranged in the tail cap shell, and the tail cap shell is connected with a blood sampling pen main body through threads;
the tail cap inner core comprises a fixing piece and a connecting piece, the fixing piece is fixedly arranged at the tail part of the tail cap, the connecting piece is used for fixing the blood sampling pen inner core, and the connecting piece is connected with the tail cap outer shell in a sliding mode;
the tail cap inner core further comprises a thrust spring arranged between the fixing piece and the connecting piece, and the thrust spring is used for applying thrust to the connecting piece;
the outside of connecting piece is equipped with the fender ring, the inside blocking surface that corresponds with the fender ring that is equipped with of tail cap shell, blocking surface is used for blocking the fender ring, blocking surface is used for injecing the displacement of connecting piece.
2. The lancet cap of claim 1, wherein: the blood sampling pen is characterized in that a threaded portion is arranged at one end, connected with the main body, of the tail cap shell, the diameter of the threaded portion is smaller than that of the tail cap shell, an inner threaded hole corresponding to the threaded portion is formed in the blood sampling pen main body, and the tail cap shell is connected with the main body through threads.
3. The lancet cap of claim 2, wherein: the inner diameter of the tail cap shell is larger than that of the thread part, and a blocking surface is formed at the connecting position of the tail cap shell and the thread part.
4. The lancet cap of claim 2, wherein: the thread part is correspondingly provided with more than one distance adjusting ring, the distance adjusting ring is of an annular structure, and the distance adjusting ring is sleeved on the outer side of the thread part;
the thickness of each distance adjusting ring is the same, and the distance adjusting rings are used for adjusting the distance between the stop ring and the stop face.
5. The lancet cap of claim 2, wherein: the fixing piece is arranged at the tail end of the tail cap shell, the tail cap shell is provided with an internal threaded hole corresponding to the fixing piece, and the tail cap shell is in threaded connection with the fixing piece;
the fixing piece is used for adjusting the elastic force of the thrust spring.
6. The lancet cap of claim 2, wherein: the connecting piece comprises a guide pipe, a blocking plate and a connecting pipe which are fixedly connected in sequence, the outer diameter of the guide pipe corresponds to the inner diameter of the threaded part, and the guide pipe is used for fixing the movement direction of the connecting piece;
the outer diameter of the blocking plate is larger than that of the guide pipe and the connecting pipe, and the part of the blocking plate extending to the outer sides of the guide pipe and the connecting pipe forms a blocking ring;
one end of the thrust spring is arranged on the inner side of the connecting pipe, and the other end of the thrust spring is arranged on the outer side of a guide post formed by the fixing piece extending outwards.
7. The lancet cap of claim 6, wherein: a clamping hole is formed in the center of the blocking plate, a clamping groove corresponding to the clamping hole is formed in the end of the inner core of the blood sampling pen, and the inner core is clamped with the clamping hole;
the diameter of the end, close to the main body, of the clamping hole is larger than that of the other end of the clamping hole, and the clamping hole is connected with the main body through an inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921288585.6U CN210843067U (en) | 2019-08-09 | 2019-08-09 | Tail cap of blood sampling pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921288585.6U CN210843067U (en) | 2019-08-09 | 2019-08-09 | Tail cap of blood sampling pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210843067U true CN210843067U (en) | 2020-06-26 |
Family
ID=71294305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921288585.6U Expired - Fee Related CN210843067U (en) | 2019-08-09 | 2019-08-09 | Tail cap of blood sampling pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210843067U (en) |
-
2019
- 2019-08-09 CN CN201921288585.6U patent/CN210843067U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 Termination date: 20210809 |