CN209789869U - Pneumatic type endocrine diabetes blood examination device of drawing blood - Google Patents

Abstract

The utility model discloses a pneumatic type endocrine diabetes blood examination device of drawing blood, including the stay tube, the fixed surface of stay tube installs the negative pressure pipe, and the inside of negative pressure pipe is provided with air exhaust device, and air exhaust device includes micro motor, and the fixed intercommunication of interior roof of negative pressure pipe has one-way pipe, and the inside of one-way pipe is provided with one-way air flow device. This pneumatic type endocrine diabetes blood examination device of drawing blood, through setting up the delay relay, can carry out circular telegram delay to electromagnetic telescopic link and start, because the action of electromagnetic telescopic link is rapid, the reaction time that the people pressed delay starting switch is greater than electromagnetic telescopic link's reaction time, cause the staff easily not to leave delay starting switch yet, stop switch has just been touched to the ejector pin, cause the finger of pricking the people many times very easily, increase the painful number of times of the person of drawing blood, take the finger very easily, cause the negative pressure in the pillar to reduce and disappear, hinder the blood of drawing blood, reduce the efficiency of drawing blood.

Description

Pneumatic type endocrine diabetes blood examination device of drawing blood

Technical Field

The utility model relates to an endocrine diabetes technical field, more specifically say, it relates to a pneumatic type endocrine diabetes blood test device of drawing blood.

Background

diabetes is a group of metabolic diseases characterized by hyperglycemia. Hyperglycemia is caused by a defect in insulin secretion or an impaired biological action, or both. Hyperglycemia occurring in the long term of diabetes results in chronic damage to, and dysfunction of, various tissues, particularly the eyes, kidneys, heart, blood vessels, nerves.

At present, when blood is drawn for diabetes patients, most of the patients are drawn by medical staff manually, when the blood is drawn, the medical staff enters a blood sample tube from the blood injected into the patients, close-range careful observation is needed, and the blood sample is completely exposed outside during the blood drawing, bacteria carried by the medical staff and bacteria carried by the patients are likely to cause certain pollution to the blood sample, and when the patients need to draw the blood, the blood drawing efficiency is slower.

SUMMERY OF THE UTILITY MODEL

not enough to prior art exists, the utility model aims to provide a pneumatic type endocrine diabetes blood inspection device of drawing blood, it has automatic aseptic collection blood sample and the collection efficiency compares artifical collection efficient characteristics.

In order to achieve the above purpose, the utility model provides a following technical scheme:

The utility model provides a pneumatic type endocrine diabetes blood examination device of drawing blood, includes the stay tube, and the fixed surface of stay tube installs the negative pressure pipe, and the inside of negative pressure pipe is provided with air exhaust device, and air exhaust device includes micro motor, and the fixed intercommunication of interior roof of negative pressure pipe has one-way pipe, and the top of one-way pipe and the fixed intercommunication of inside wall of stay tube, the inside of one-way pipe is provided with one-way air flow device.

the inner bottom lateral wall of stay tube has electromagnetic telescopic rod through fixed block fixed mounting, the inside wall difference fixedly connected with holding ring and the guide ring of stay tube, the holding ring is located the below of guide ring, the inside wall sliding connection of stay tube has first piston, first piston is located between holding ring and the guide ring, electromagnetic telescopic rod's telescopic link and the lower fixed surface of first piston are connected, the last fixed surface of first piston is connected with the guide bar, negative pressure spring has been cup jointed in the surface activity of guide bar, negative pressure spring's both ends free end respectively with the lower surface of guide ring and the last fixed surface of first piston be connected, the air vent has been seted up to the inside of guide ring.

The top threaded connection of guide bar has the device of drawing blood, and the device of drawing blood includes threaded rod and acupuncture needle, the top threaded connection of the surface of threaded rod and guide bar.

The inside and the outside of stay tube all are provided with electrically controlled device, and electrically controlled device includes delay relay, time delay starting switch and stop switch, and delay relay and micro motor all with time delay starting switch electric connection, stop switch respectively with micro motor, electromagnetism telescopic link and time delay starting switch electric connection.

Furthermore, an output shaft of the micro motor is fixedly connected with a rotating shaft through a coupler, the surface of the rotating shaft is fixedly connected with a winding reel, and the surface of the winding reel is fixedly connected with a steel wire rope.

further, the through-hole is seted up through negative pressure intraductal diapire in wire rope's the top and is extended to the inside of negative pressure pipe, and the inside wall sliding connection of negative pressure pipe has the second piston, the lower surface of second piston and wire rope's top fixed connection, and reset spring has been cup jointed in wire rope's surface activity, and reset spring's both ends free end respectively with the lower surface of second piston and the interior diapire fixed connection of negative pressure pipe.

Further, one-way airflow device is including solid fixed ring, the interior diapire fixedly connected with pressure spring of one-way pipe, and pressure spring's top free end fixedly connected with one-way ball, the surface of one-way ball and solid fixed ring's lower surface inner wall slip grafting.

Further, the telescopic pipe is down stretched to the top fixedly connected with of threaded rod, the interior diapire of lower telescopic pipe and the bottom fixed connection of prick needle, and flexible pipe on the inside wall slip cup joints of lower telescopic pipe, goes up the top surface of flexible pipe and pegs graft with the interior roof screw thread of stay tube, goes up flexible pipe top inner wall screw thread connection and has the sealing plug, goes up the last fixed surface of flexible pipe and is connected with the bounding wall, and the lower fixed surface cover of bounding wall has connect seal ring.

Furthermore, the outer surface of the upper telescopic pipe is movably sleeved with a rubber hose, and two ends of the rubber hose are fixedly connected with the upper surface of the lower telescopic pipe and the surface of the upper telescopic pipe respectively.

Furthermore, the air hole is formed in the outer surface of the top of the upper telescopic pipe, the positioning groove is formed in the inner side wall of the air hole, the air hole and the inner wall of the positioning groove are all slidably inserted with a rubber plug, the inner wall of the positioning groove is in an arc shape, and the distance between the upper surface of the puncture needle and the upper surface of the upper telescopic pipe is equal to the stroke distance of the electromagnetic telescopic rod.

Furthermore, the surface of the delay relay is fixedly connected with the inner side wall of the support pipe, the surface of the delay starting switch is fixedly connected with the outer surface of the support pipe, the surface of the stop switch is fixedly connected with the lower surface of the guide ring, and the model of the delay relay is AH 3-3.

Furthermore, the upper surface of the first piston is fixedly connected with a push rod, and the axis of the push rod and the axis of the stop switch are positioned on the same straight line.

Further, the distance between the upper surface of the ejector rod and the lower surface of the stop switch is equal to the stroke distance of the electromagnetic telescopic rod.

To sum up, the utility model discloses following beneficial effect has:

1. When the device is used, the blood drawing device extends into the support tube and is in threaded connection with the guide rod, the top of the upper telescopic tube is in threaded connection with the inner top wall of the support tube and is sealed with the upper surface of the support tube through a sealing gasket, fingers press the holes at the top of the upper telescopic tube, when the guide rod drives the lower telescopic tube to slide upwards, air in the lower telescopic tube is discharged through the air holes, meanwhile, the top of the puncture needle inside the lower telescopic tube is used for pricking the fingers, when the guide rod drives the lower telescopic tube to slide downwards, because the surface of the support tube is provided with the air extractor, the inside of the support tube is in a negative pressure state, at the moment, through the air holes, the inside of the blood drawing device is in a negative pressure state, blood in the pricked finger is accelerated to flow out under the negative pressure state, so that the negative pressure blood drawing effect is achieved, meanwhile, the operation of medical staff is not needed, the possibility of bacterial contamination to the blood is reduced, and the aseptic blood sample collection device has the characteristic of aseptically collecting blood samples.

2. The automatic blood collection delay device has the advantages that the delay relay and the micro motor are electrically connected with the delay starting switch, the stopping switch is electrically connected with the micro motor, the electromagnetic telescopic rod and the delay starting switch respectively, the effect of automatically delaying and collecting blood is achieved, when a finger presses a hole at the top of the upper extension tube, the top of the upper extension tube is covered and sealed by the skin of the finger, the delay starting switch is pressed and loosened to form a loop, the delay starting switch sends out electric signals to respectively start the micro motor and the delay relay, the micro motor drives the second piston to slide downwards to suck air and realize negative pressure in the support tube, meanwhile, when the delay relay reaches delay time, the electric signals are sent out to control the electromagnetic telescopic rod to start to quickly move upwards, the guide rod and the ejector rod to move upwards through the first piston, when the ejector rod touches the stopping switch, the whole loop is cut off, and the first piston is, the negative pressure in the supporting tube is increased, and blood is dripped into the lower telescopic tube under the action of the negative pressure, so that the automatic negative pressure blood drawing device has the characteristic of automatic negative pressure blood drawing.

3. Through setting up the time delay relay, can carry out circular telegram delay to the electromagnetism telescopic link and start, because the electromagnetism telescopic link action is rapid, the reaction time that the people pressed delay starting switch is greater than the reaction time of electromagnetism telescopic link, cause the staff easily not yet to leave delay starting switch, the ejector pin just touches stop switch, cause the acupuncture to prick people's finger many times very easily, increase the painful number of times of the person of drawing blood, take the finger very easily, cause the negative pressure in the stay tube to reduce and disappear, hinder the blood drawing, reduce the efficiency of drawing blood.

Drawings

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

Fig. 2 is a sectional view of the structure of the negative pressure pipe of the present invention;

FIG. 3 is a cross-sectional view of the one-way tube of the present invention;

FIG. 4 is a perspective view of the blood drawing device of the present invention;

FIG. 5 is an enlarged view of the point A of FIG. 1 according to the present invention;

Fig. 6 is an electrical schematic diagram of the present invention.

In the figure: 1. supporting a tube; 2. a negative pressure tube; 21. a micro motor; 22. a rotating shaft; 23. a spool; 24. a wire rope; 25. a second piston; 26. a return spring; 3. a one-way tube; 31. a fixing ring; 32. a pressure spring; 33. a one-way ball; 4. an electromagnetic telescopic rod; 5. a positioning ring; 6. a guide ring; 7. a first piston; 8. a guide bar; 81. a threaded rod; 82. pricking; 83. a lower telescopic pipe; 84. an upper telescopic pipe; 85. a sealing plug; 86. enclosing plates; 87. a sealing gasket; 88. a rubber hose; 89. air holes are formed; 891. positioning a groove; 892. a rubber plug; 9. a negative pressure spring; 10. a vent hole; 11. a time delay relay; 111. a delay start switch; 112. a stop switch; 12. and a push rod.

Detailed Description

Example (b):

The present invention will be described in further detail with reference to the accompanying fig. 1 to 6.

A pneumatic endocrine diabetes blood examination blood drawing device is shown in figures 1-3 and comprises a supporting tube 1, a negative pressure tube 2 is fixedly arranged on the outer surface of the supporting tube 1, an air extractor is arranged inside the negative pressure tube 2 and comprises a micro motor 21, an output shaft of the micro motor 21 is fixedly connected with a rotating shaft 22 through a coupler, a winding reel 23 is fixedly connected with the surface of the rotating shaft 22, a steel wire rope 24 is fixedly connected with the surface of the winding reel 23, the top end of the steel wire rope 24 extends into the negative pressure tube 2 through a through hole formed in the inner bottom wall of the negative pressure tube 2, a second piston 25 is slidably connected with the inner side wall of the negative pressure tube 2, the lower surface of the second piston 25 is fixedly connected with the top end of the steel wire rope 24, a reset spring 26 is movably sleeved on the surface of the steel wire rope 24, and the free ends of two ends of the reset spring, the fixed intercommunication of the interior roof of negative pressure pipe 2 has one-way pipe 3, the fixed intercommunication of the top of one-way pipe 3 and the inside wall of stay tube 1, the inside of one-way pipe 3 is provided with one-way air flow device, one-way air flow device is including solid fixed ring 31, the interior bottom wall fixedly connected with pressure spring 32 of one-way pipe 3, the top free end fixedly connected with one-way ball 33 of pressure spring 32, the surface of one-way ball 33 is pegged graft with the lower surface inner wall slip of solid fixed ring 31.

inner bottom lateral wall of stay tube 1 has electromagnetism telescopic link 4 through fixed block fixed mounting, the inside wall difference fixedly connected with holding ring 5 and guide ring 6 of stay tube 1, holding ring 5 is located the below of guide ring 6, the inside wall sliding connection of stay tube 1 has first piston 7, first piston 7 is located between holding ring 5 and the guide ring 6, the telescopic link of electromagnetism telescopic link 4 is connected with the lower fixed surface of first piston 7, the last fixed surface of first piston 7 is connected with guide bar 8, negative pressure spring 9 has been cup jointed in the surface activity of guide bar 8, negative pressure spring 9's both ends free end is connected with the lower surface of guide ring 6 and the last fixed surface of first piston 7 respectively, air vent 10 has been seted up to the inside of guide ring 6.

As shown in fig. 4 and 5, the top of the guide rod 8 is connected with a blood drawing device by screw thread, the blood drawing device comprises a threaded rod 81 and a puncture needle 82, the surface of the threaded rod 81 is connected with the top of the guide rod 8 by screw thread, the top of the threaded rod 81 is fixedly connected with a lower telescopic tube 83, the inner bottom wall of the lower telescopic tube 83 is fixedly connected with the bottom of the puncture needle 82, the inner side wall of the lower telescopic tube 83 is slidably sleeved with an upper telescopic tube 84, the top surface of the upper telescopic tube 84 is in threaded connection with the inner top wall of the support tube 1, the inner wall of the top of the upper telescopic tube 84 is in threaded connection with a sealing plug 85, the upper surface of the upper telescopic tube 84 is fixedly connected with a surrounding plate 86, the lower surface of the surrounding plate 86 is fixedly sleeved with a sealing gasket 87, the outer surface of the upper telescopic tube 84 is movably sleeved with a rubber hose 88, two ends of the, the inside wall of bleeder vent 89 is equipped with constant head tank 891, bleeder vent 89 and the inner wall of constant head tank 891 all slide the grafting have rubber buffer 892, the inner wall of constant head tank 891 is the arc shape, the distance of the upper surface of needle 82 and the upper surface of last flexible pipe 84 equals the stroke distance of electromagnetic telescopic rod 4, there is the device of drawing blood through the top threaded connection who sets up guide bar 8, the device of drawing blood includes threaded rod 81 and needle 82, the surface of threaded rod 81 and the top threaded connection of guide bar 8, the effect of taking a blood sample to the disease through pricking the hand has been reached, when using, stretch into the blood drawing device in support tube 1, threaded rod 81 and guide bar 8 threaded connection, the top of last flexible pipe 84 and the interior roof wall threaded connection of support tube 1 and through seal ring 87 with the upper surface seal of support tube 1, the hole at the top of last flexible pipe 84 is pressed to the finger, when guide bar 8 drives, the air in the blood drawing device is discharged through the air holes 89, meanwhile, the top of the pricking needle 82 in the blood drawing device pricks the finger, when the lower telescopic pipe 83 is driven by the guide rod 8 to slide downwards, as the surface of the supporting pipe 1 is provided with the air suction device, the inside of the supporting pipe 1 is in a negative pressure state, at the moment, the inside of the blood drawing device is in a negative pressure state through the air holes 89, the blood in the finger is pricked in the negative pressure state, the blood outflow is accelerated, the negative pressure blood drawing effect is achieved, meanwhile, the operation of medical staff is not needed, the possibility of bacterial pollution to the blood is reduced, after the blood drawing is completed, the blood drawing device is rotated out through a screw thread, the air holes 89 are sealed through the.

As shown in fig. 1 and fig. 6, the interior and exterior of the support tube 1 are provided with electrical control devices, the electrical control devices include a delay relay 11, a delay start switch 111 and a stop switch 112, the delay relay 11 and the micro motor 21 are electrically connected to the delay start switch 111, the stop switch 112 is electrically connected to the micro motor 21, the electromagnetic telescopic rod 4 and the delay start switch 111, respectively, so as to achieve the effect of automatically delaying blood collection, when a finger presses on the top hole of the upper telescopic tube 84, the top is covered and sealed by the skin of the finger, and releases after pressing the delay start switch 111 to form a loop, the delay start switch 111 sends out an electrical signal to start the micro motor 21 and the delay relay 11, respectively, the micro motor 21 drives the second piston 25 to slide downwards to suck air and carry out negative pressure inside the supporting tube 1, meanwhile, when the delay relay 11 reaches the delay time, an electric signal is sent out to control the electromagnetic telescopic rod 4 to start and move upwards rapidly, the guide rod 8 and the ejector rod 12 are driven to move upwards through the first piston 7, when the ejector rod 12 touches the stop switch 112, the whole loop is cut off, the first piston 7 is extruded and reset under the action of the negative pressure spring 9, the negative pressure in the supporting tube 1 is increased, blood is dripped into the lower telescopic tube 83 under the action of the negative pressure, and therefore, the automatic negative pressure blood sucking device has the characteristic of automatic negative pressure blood sucking, the surface of the delay relay 11 is fixedly connected with the inner side wall of the supporting tube 1, the surface of the delay start switch 111 is fixedly connected with the outer surface of the supporting tube 1, the surface of the stop switch 112 is fixedly connected with the lower surface of the guide ring 6, the upper surface of the first piston 7 is fixedly connected with an ejector rod 12, the axial lead of the ejector rod 12 and the axial lead of a stop switch 112 are positioned on the same straight line, the distance between the upper surface of the ejector rod 12 and the lower surface of the stop switch 112 is equal to the stroke distance of the electromagnetic telescopic rod 4, the electromagnetic telescopic rod 4 can be electrified and started in a delayed manner by arranging a delay relay 11, the electromagnetic telescopic rod 4 can be quickly actuated, the reaction time of a person for pressing the delay start switch 111 is longer than the reaction time of the electromagnetic telescopic rod 4, the person does not leave the delay start switch 111 easily, the ejector rod 12 touches the stop switch 112, the pricking needle 82 pricks the fingers of the person for multiple times, the pain times of the blood drawer are increased, the fingers are easily taken away, the negative pressure in the supporting tube 1 is reduced and disappeared, the blood drawing is delayed, and the blood drawing efficiency is reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (10)

1. A pneumatic type endocrine diabetes blood examination blood drawing device comprises a support tube (1), and is characterized in that: the air-suction device is characterized in that a negative pressure pipe (2) is fixedly mounted on the outer surface of the supporting pipe (1), an air suction device is arranged inside the negative pressure pipe (2), the air suction device comprises a micro motor (21), a one-way pipe (3) is fixedly communicated with the inner top wall of the negative pressure pipe (2), the top of the one-way pipe (3) is fixedly communicated with the inner side wall of the supporting pipe (1), and a one-way air flow device is arranged inside the one-way pipe (3);

the inner bottom side wall of the supporting pipe (1) is fixedly provided with an electromagnetic telescopic rod (4) through a fixing block, the inner side wall of the supporting pipe (1) is fixedly connected with a positioning ring (5) and a guide ring (6) respectively, the positioning ring (5) is positioned below the guide ring (6), the inner side wall of the supporting pipe (1) is connected with a first piston (7) in a sliding manner, the first piston (7) is positioned between the positioning ring (5) and the guide ring (6), a telescopic rod of the electromagnetic telescopic rod (4) is fixedly connected with the lower surface of the first piston (7), the upper surface of the first piston (7) is fixedly connected with a guide rod (8), a negative pressure spring (9) is sleeved on the surface of the guide rod (8) in a movable manner, the free ends at two ends of the negative pressure spring (9) are fixedly connected with the lower surface of the guide ring (6) and the upper surface of the, a vent hole (10) is formed in the guide ring (6);

The top of the guide rod (8) is in threaded connection with a blood drawing device, the blood drawing device comprises a threaded rod (81) and a puncture needle (82), and the surface of the threaded rod (81) is in threaded connection with the top of the guide rod (8);

The utility model discloses a motor support tube, including stay tube (1), the inside and the outside of stay tube (1) all are provided with electrically controlled device, electrically controlled device includes delay relay (11), delay starting switch (111) and stop switch (112), delay relay (11) and micro motor (21) all with delay starting switch (111) electric connection, stop switch (112) respectively with micro motor (21), electromagnetic telescopic rod (4) and delay starting switch (111) electric connection.

2. the pneumatic endocrine diabetic blood test blood drawing device according to claim 1, characterized in that: the output shaft of micro motor (21) passes through shaft coupling fixedly connected with pivot (22), the fixed surface of pivot (22) is connected with spool (23), the fixed surface of spool (23) is connected with wire rope (24).

3. The pneumatic endocrine diabetic blood test blood drawing device according to claim 2, characterized in that: the inside that the through-hole extended to negative pressure pipe (2) is seted up through negative pressure pipe (2) inner diapire in the top of wire rope (24), the inside wall sliding connection of negative pressure pipe (2) has second piston (25), the lower surface of second piston (25) and the top fixed connection of wire rope (24), reset spring (26) have been cup jointed in the surface activity of wire rope (24), the both ends free end of reset spring (26) respectively with the lower surface of second piston (25) and the inner diapire fixed connection of negative pressure pipe (2).

4. The pneumatic endocrine diabetic blood test blood drawing device according to claim 1, characterized in that: one-way air flow device is including solid fixed ring (31), interior diapire fixedly connected with pressure spring (32) of one-way pipe (3), the top free end fixedly connected with one-way ball (33) of pressure spring (32), the surface of one-way ball (33) is pegged graft with the lower surface inner wall slip of solid fixed ring (31).

5. The pneumatic endocrine diabetic blood test blood drawing device according to claim 1, characterized in that: stretch out pipe (83) down at the top fixedly connected with of threaded rod (81), the bottom fixed connection of the interior diapire of stretch out pipe (83) and acupuncture needle (82) down, the inside wall of stretch out pipe (83) slides and has cup jointed flexible pipe (84) down, go up the top surface of flexible pipe (84) and peg graft with the interior roof screw thread of stay tube (1), go up flexible pipe (84) top inner wall threaded connection and have sealing plug (85), the last fixed surface of going up flexible pipe (84) is connected with bounding wall (86), sealing washer (87) have been cup jointed to the lower fixed surface of bounding wall (86).

6. The pneumatic endocrine diabetic blood test blood drawing device according to claim 5, characterized in that: the outer surface of the upper telescopic pipe (84) is movably sleeved with a rubber hose (88), and two ends of the rubber hose (88) are fixedly connected with the upper surface of the lower telescopic pipe (83) and the surface of the upper telescopic pipe (84) respectively.

7. The pneumatic endocrine diabetic blood test blood drawing device according to claim 5, characterized in that: go up the top surface of flexible pipe (84) and seted up bleeder vent (89), constant head tank (891) have been seted up to the inside wall of bleeder vent (89), bleeder vent (89) all slide with the inner wall of constant head tank (891) and peg graft and have rubber buffer (892), the inner wall of constant head tank (891) is the arc shape, the upper surface of pricking needle (82) and the distance of last flexible pipe (84) upper surface equal the stroke distance of electromagnetic telescopic rod (4).

8. The pneumatic endocrine diabetic blood test blood drawing device according to claim 1, characterized in that: the surface of time delay relay (11) and the inside wall fixed connection of stay tube (1), the surface of time delay starting switch (111) and the surface fixed connection of stay tube (1), the surface of stop switch (112) and the lower fixed connection of guide ring (6), the model of time delay relay (11) is AH 3-3.

9. The pneumatic endocrine diabetic blood test blood drawing device according to claim 8, characterized in that: the upper surface of the first piston (7) is fixedly connected with a push rod (12), and the axis of the push rod (12) and the axis of the stop switch (112) are located on the same straight line.

10. the pneumatic endocrine diabetic blood test blood drawing device according to claim 9, characterized in that: the distance between the upper surface of the ejector rod (12) and the lower surface of the stop switch (112) is equal to the stroke distance of the electromagnetic telescopic rod (4).