CN211213177U

CN211213177U - Blood sampling pen based on injection molding process

Info

Publication number: CN211213177U
Application number: CN201922101919.0U
Authority: CN
Inventors: 李春燕; 王炳星
Original assignee: Beijing Yuandong Defeng Technology Co ltd
Current assignee: Beijing Yuandong Defeng Technology Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-08-11
Anticipated expiration: 2029-11-28

Abstract

The utility model relates to the technical field of medical equipment, and discloses a blood sampling pen based on an injection molding process, which comprises a spring pull rod, wherein the spring pull rod is a semi-circular rod, a pen holder is fixedly arranged at the right end of the spring pull rod, the pen holder is a rectangular rod, a release button is movably arranged at the upper end of the pen holder, the release button is a rectangular block, and a fixed block is fixedly arranged at the lower end of the pen holder. The complex operation that the user just changes once using is reduced and work efficiency's effect has been improved.

Description

Blood sampling pen based on injection molding process

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a blood sampling pen based on injection molding process.

Background

The blood sampling pen is a common blood sampling auxiliary instrument, is configured with a blood sampling needle, is mainly used for self-testing blood sugar of a diabetic patient, and can also be used for clinical blood sampling of routine tests in hospitals.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide a blood sampling pen based on injection molding process.

(II) technical scheme

In order to achieve the above object, the present invention adopts the following technical scheme, a blood sampling pen based on injection molding process, comprising a spring pull rod, wherein the spring pull rod is a semi-circular arc rod, the right end of the spring pull rod is fixedly provided with a pen holder, the pen holder is a rectangular rod, the upper end of the pen holder is movably provided with a release button, the release button is a rectangular block, the lower end of the pen holder is fixedly provided with a fixed block, the fixed block is a rectangular block, the right end of the fixed block is fixedly provided with a fixed chuck, the fixed chuck is a circular rod, the inside of the fixed chuck is hollow, the excircle of the fixed chuck is movably connected with a clamping bead, the clamping bead is a circular bead, and the clamping bead has four groups in total, the four groups are provided with one side of the clamping bead close to the central point of the fixed chuck fixedly connected with springs, the inside of the fixed chuck, and four groups of springs are close to one side of the central point of the fixed clamping head and fixedly connected with the outer wall of the inner block, the right end of the fixed clamping head is fixedly connected with a blood sampling storage tube, and the blood sampling storage tube is a circular storage tube.

Preferably, the middle of the interior of the blood sampling storage tube is provided with a clamping groove which is a circular rotary movable groove, and four groups of grooves are arranged at the inner circle of the clamping groove.

Preferably, the blood collection storage tube is provided with four blood collection tubes inside, and the blood collection tubes are circular blood collection tubes.

Preferably, the blood collection tube is internally provided with blood collection needles, the blood collection needles are hollow, and the blood collection needles are four groups in total.

Preferably, the right end of the blood sampling storage tube is fixedly provided with a connecting block, the connecting block is a rectangular movable plastic block, the right end of the connecting block is fixedly provided with a safety cap, and the safety cap is a circular sealing cap.

Advantageous effects

The utility model provides a blood sampling pen based on injection molding process. The method has the following beneficial effects:

(1) this blood sampling pen based on injection molding process, when people need gather blood with blood sampling pen, people can install blood sampling storage tube and the fixed dop of pen-holder below fixedly, the excircle department of fixed dop and the inside draw-in groove swing joint of blood sampling storage tube, then people can rotate the blood sampling storage tube through the loose axle between blood sampling storage tube and the draw-in groove, then the blood sampling storage tube drives the inside blood sampling needle of blood sampling storage tube again rotatory as for the inside piece alignment that launches of release button can, and carry out rotatory use second syringe needle after using up again, the blood sampling storage tube need not too loaded down with trivial details use once when using blood sampling pen once tearing open and changing, can change many times disposable, the loaded down with trivial details operation that the user used once just to change has been reduced and work efficiency has been improved.

(2) When the blood sampling pen based on the injection molding process is used, when the clamping beads at the outer circle of the fixed clamping head pass through the inner wall of the clamping groove, the clamping ball is extruded by the inner wall surface of the clamping groove and is bounced into the fixed chuck through the spring, when the clamping bead reaches the groove on the inner wall surface of the clamping groove, the clamping bead can be popped out to jack the groove in the clamping groove to fix the whole blood sampling storage tube, so that the blood sampling storage tube can be rotated to make the blood sampling needle in the blood sampling storage tube aim at the ejection block in the pen holder, thus, the fixing clamp head achieves the effect of assisting in fixing the blood sampling storage tube, avoids the deviation of ejection of the blood sampling needle and the ejection block in the pen holder caused by the fact that the positions of the blood sampling needle and the ejection block are not on the same horizontal plane when the blood sampling storage tube rotates, and avoids the problem that the ejection of the blood sampling needle enters the skin of a human body, the blood taking needle can not rebound, and the needle tube is always in the state inside the skin of the human body, so that the harm to the human body is caused.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is a partial schematic view of the fixing clip of the present invention;

FIG. 3 is a partial schematic view of the blood collection needle storage tank of the present invention;

figure 4 is the side throwing drawing of the blood taking needle storage tank of the utility model.

Illustration of the drawings:

1 spring pull rod, 2 penholders, 3 release buttons, 4 fixed blocks, 5 fixed dops, 6 calorie pearls, 7 springs, 8 inner blocks, 9 blood taking needle storage tubes, 10 draw-in grooves, 11 heparin tubes, 12 blood taking needles, 13 connecting blocks, 14 safety caps, 15 ejection blocks.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): a blood sampling pen based on an injection molding process is shown in figures 1-4 and comprises a spring pull rod 1, wherein the spring pull rod 1 is a semicircular arc rod, a pen holder 2 is fixedly installed at the right end of the spring pull rod 1, the pen holder 2 is a rectangular rod, a release button 3 is movably installed at the upper end of the pen holder 2, the release button 3 is a rectangular block, a fixed block 4 is fixedly installed at the lower end of the pen holder 2, the fixed block 4 is a rectangular block, a fixed chuck 5 is fixedly installed at the right end of the fixed block 4, the fixed chuck 5 is a circular rod, the inside of the fixed chuck 5 is hollow, a clamping bead 6 is movably connected to the outer circle of the fixed chuck 5, the clamping bead 6 is a circular bead, four clamping beads 6 are arranged in total, a spring 7 is fixedly connected to one side, close to the central point of the fixed chuck 5, of the clamping bead 6 is provided with four groups, an inner block 8, inner block 8 is the circular shape interior pole, and four groups the one end that spring 7 is close to fixed dop 5 central point respectively with inner block 8's outer wall fixed connection together, the right-hand member swing joint of fixed dop 5 has blood sampling storage tube 9, and blood sampling storage tube 9 is circular shape storage tube, there are draw-in groove 10 through loose axle swing joint in the middle of the inside of blood sampling storage tube 9, draw-in groove 10 is circular shape rotatory activity draw-in groove, and the interior round point of draw-in groove 10 is equipped with four groups of recesses, the inside of blood sampling storage tube 9 is equipped with blood sampling tube 11, and blood sampling tube 11 has four groups altogether, the inside of blood sampling tube 11 is equipped with blood sampling needle 12, the inside of blood sampling needle 12 is hollow, and blood sampling needle 12 has four groups altogether, the right-hand member fixed mounting of blood sampling storage tube 9 has connecting block 13, connecting block 13 is rectangular mobilizable plastic, the safety cap 14 is a circular closing cap.

The utility model discloses a theory of operation: when people need gather blood with the blood sampling pen, people can install fixed dop 5 below blood sampling storage tube 9 and pen-holder 2 fixed dop 5, the excircle department of fixed dop 5 and the inside draw-in groove 10 swing joint of blood sampling storage tube 9, then people can rotate blood sampling storage tube 9 through the loose axle between blood sampling storage tube 9 and draw-in groove 10, then blood sampling storage tube 9 drives the inside blood sampling 12 of blood sampling storage tube 9 again rotatory as for the inside piece alignment that launches of release button 3, and rotate the use second syringe needle after using up again, blood sampling storage tube 9 has just so reached and has not once changed tearing open when using the blood sampling pen with too loaded down with trivial details use, can once only use and change many times, the loaded down with trivial details operation that the user used once just to change and the effect that has improved work efficiency.

When the clamping bead 6 at the outer circle of the fixed chuck 5 passes through the inner wall of the clamping groove 10, the clamping bead 6 is extruded by the inner wall surface of the clamping groove 10, the clamping bead 6 is bounced into the fixed chuck 5 through the spring 7, when the clamping bead 6 reaches the groove on the inner wall surface of the clamping groove 10, the clamping bead 6 can be ejected out of the groove propping into the clamping groove 10 to fix the whole blood sampling storage tube 9, so that the blood sampling storage tube can be rotated to make the blood sampling needle in the blood sampling storage tube aim at the ejection block in the pen holder, thus, the fixing clamp head achieves the effect of assisting in fixing the blood sampling storage tube, avoids the deviation of ejection of the blood sampling needle and the ejection block in the pen holder caused by the fact that the positions of the blood sampling needle and the ejection block are not on the same horizontal plane when the blood sampling storage tube rotates, and avoids the problem that the ejection of the blood sampling needle enters the skin of a human body, the blood taking needle can not rebound, and the needle tube is always in the state inside the skin of the human body, so that the harm to the human body is caused.

The foregoing shows and describes the fundamental principles and principal features of the invention, namely the advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a blood sampling pen based on injection molding process, includes spring pull rod (1), its characterized in that: the blood sampling device is characterized in that a pen holder (2) is fixedly mounted at the right end of the spring pull rod (1), a release button (3) is movably mounted at the upper end of the pen holder (2), a fixed block (4) is fixedly mounted at the lower end of the pen holder (2), a fixed clamping head (5) is fixedly mounted at the right end of the fixed clamping head (4), clamping beads (6) are movably connected at the excircle of the fixed clamping head (5), four groups of clamping beads (6) are arranged in total, a spring (7) is fixedly connected at one side, close to the central point of the fixed clamping head (5), of each clamping bead (6), an inner block (8) is arranged inside the fixed clamping head (5), a blood sampling storage tube (9) is fixedly connected at the right end of the fixed clamping head (5), a clamping groove (10) is arranged in the middle of the inner portion of the blood sampling storage tube (9), a blood sampling tube (11) is arranged inside, the right end of the blood sampling storage tube (9) is fixedly provided with a connecting block (13), and the right end of the connecting block (13) is fixedly provided with a safety cap (14).

2. The injection molding process-based blood collection pen according to claim 1, wherein: the fixing chuck (5) is a round rod, and the inside of the fixing chuck (5) is hollow.

3. The injection molding process-based blood collection pen according to claim 1, wherein: the clamping beads (6) are round beads, and the clamping beads (6) are four groups in total.

4. The injection molding process-based blood collection pen according to claim 1, wherein: the inner block (8) is a circular inner rod, and one side, close to the central point of the fixed chuck (5), of the four groups of springs (7) is fixedly connected with the outer wall of the inner block (8).

5. The injection molding process-based blood collection pen according to claim 1, wherein: the clamping groove (10) is a circular clamping groove, and four groups of grooves are formed in the inner circle of the clamping groove (10).