CN211766736U

CN211766736U - Sealing device of blood collection tube

Info

Publication number: CN211766736U
Application number: CN202020032679.3U
Authority: CN
Inventors: 黄顿博; 桂小燕; 黄高云
Original assignee: Jiangxi Kanji Medical Equipment Co ltd
Current assignee: Jiangxi Kanji Medical Equipment Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-10-27
Anticipated expiration: 2030-01-08

Abstract

The utility model relates to a heparin tube production technical field just discloses a closing device of heparin tube, the on-line screen storage device comprises a base, the middle part on base top is equipped with heparin tube conveying mechanism, and the equal fixedly connected with side bearer in both sides at base top. This closing device of heparin tube, the connecting plate that drives the piston rod bottom through actuating cylinder descends, thereby it descends to drive the buffer board, utilize the wedge on two splint of the wedge extrusion of two of buffer board bottom, and then drive two splint relative motion and carry out self-centering centre gripping to the heparin tube of carrying on the heparin tube conveying mechanism, after the top contact of wedge extrusion splint and backup pad, make buffer board compression second spring and relative connecting plate motion, thereby the electric heating piece that makes the connecting plate bottom passes the mouth of pipe department that the through-hole extended the heparin tube and heats it, this device is compared in prior art, skew in heparin tube and the electric heating piece position has been avoided, make the heating of heparin tube more stable.

Description

Sealing device of blood collection tube

Technical Field

The utility model relates to a heparin tube production technical field specifically is a sealing device of heparin tube.

Background

The vacuum blood collection tube is disposable, can realize the negative pressure vacuum glass tube of ration blood collection, need use with the blood taking needle is supporting, the principle of vacuum blood collection tube is to take out into different vacuum with the blood collection tube test tube of end cover in advance, utilize the automatic ration of its negative pressure to gather the venous blood sample, blood taking needle one end pierces the plug that the other end inserted the vacuum blood collection tube behind the human vein, human venous blood is inside the vacuum blood collection tube, under the effect of negative pressure, through blood taking needle suction blood sample container, under a venipuncture, can realize that the multitube is gathered and not take place to reveal, the inner chamber volume of connecting the blood taking needle is very little, influence to the blood collection volume can be ignored, nevertheless the probability of taking place the adverse current is little relatively, if the great vacuum that can consume some blood collection tubes of its inner chamber volume, thereby reduce its amount of.

Present negative pressure blood sampling tube's sealing equipment, seal the blood sampling tube with sealed plug mostly, it establishes sealed plug to insert at the bottleneck of blood sampling tube in vacuum environment, under this condition, the blood sampling tube that the bottom was treated to seal must be in concentric position with the heating piece, be convenient for heat and the going on that seals the mouth of pipe of blood sampling tube, and current blood sampling tube is fixed in the spacing groove that inserts in the conveyer belt mostly, the notch of spacing groove is greater than the blood sampling tube, can lead to the blood sampling tube to take place to deflect, make the blood sampling tube mouth of pipe take place to deviate with the heating piece, lead to heating the unable normal clear of blood sampling mouth of pipe.

SUMMERY OF THE UTILITY MODEL

The utility model is not enough to prior art, the utility model provides a sealing device of heparin tube, possess the advantage of avoiding the heparin tube to take place the skew when heating, the sealing equipment of current negative pressure heparin tube has been solved, mostly seal the heparin tube with sealed plug, it establishes sealed plug to insert at the bottleneck of heparin tube in vacuum environment, under this condition, the heparin tube that the bottom was treated to seal must be in concentric position with the heating piece, be convenient for heat and going on of sealing the mouth of pipe of heparin tube, and current heparin tube is fixed in inserting the spacing groove in the conveyer belt mostly, the notch of spacing groove is greater than the heparin tube, can lead to the heparin tube to take place to deflect, make the heparin tube mouth of pipe take place skew with the heating piece, lead to heating the unable normal clear problem of heparin tube mouth of pipe.

The utility model provides a following technical scheme: a sealing device of a blood collection tube comprises a base, wherein a blood collection tube conveying mechanism is arranged in the middle of the top end of the base, side frames are fixedly connected to two sides of the top of the base, an upper frame is fixedly connected to the top of each side frame, a supporting plate is fixedly connected to the bottom of the inner side of each side frame, a guide groove is formed in the top of the inner side of each side frame, a positioning hole is formed in the middle of each supporting plate, a limiting groove is formed in one side, close to the blood collection tube conveying mechanism, of the top of each supporting plate, a supporting frame is fixedly connected to the top of each supporting plate, a fixing rod is movably sleeved in the middle of each supporting frame, a clamping plate is fixedly connected to one end of each fixing rod, a first spring positioned between each supporting frame and the clamping plate is movably sleeved on each fixing rod, a, and the middle part of the top end of the top frame is fixedly provided with an air cylinder, the output end of the air cylinder is movably sleeved with a piston rod, and the bottom of the piston rod extends to the lower part of the top frame and is fixedly connected with a connecting plate.

Preferably, the both ends of connecting plate all are equipped with the guide block, and the middle part of connecting plate bottom is equipped with the electric heating piece of being connected with constant temperature electric heater, the movable groove has all been seted up to the both sides at connecting plate top, movable sleeve is equipped with the bracing piece in the movable groove, the bottom fixedly connected with buffer board of bracing piece, and movable sleeve is equipped with the second spring that is located between connecting plate and the buffer board on the bracing piece, the through-hole that cup joints with electric heating piece activity is seted up at the middle part of buffer board, and the both sides of buffer board bottom all are equipped with the wedge, the equal fixedly connected with locating lever in both sides of connecting plate bottom.

Preferably, a wedge-shaped groove is formed in one side of the top of the clamping plate, a clamping groove is formed in the middle of the inner side of the clamping plate, and a rubber pad is arranged on the inner wall of the clamping groove.

Preferably, one end of the first spring is fixedly connected with the inner side of the supporting frame, and the other end of the first spring is fixedly connected with one side of the clamping plate.

Preferably, the guide blocks at the two ends of the connecting plate are respectively movably sleeved in the guide grooves of the two side frames, and the positioning rods at the two sides of the bottom of the connecting plate are respectively movably sleeved with the two ends of the buffer plate and the positioning holes in the middle of the two supporting plates.

Preferably, one end of the second spring is fixedly connected with the bottom of the connecting plate, and the other end of the second spring is fixedly connected with the top of the buffer plate.

Preferably, the two wedge blocks at the bottom of the buffer plate are movably sleeved with the wedge grooves at the tops of the two clamping plates respectively.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this closing device of heparin tube, the connecting plate that drives the piston rod bottom through actuating cylinder descends, thereby it descends to drive the buffer board, utilize the wedge on two splint of the wedge extrusion of two of buffer board bottom, and then drive two splint relative motion and carry out self-centering centre gripping to the heparin tube of carrying on the heparin tube conveying mechanism, after the top contact of wedge extrusion splint and backup pad, make buffer board compression second spring and relative connecting plate motion, thereby the electric heating piece that makes the connecting plate bottom passes the mouth of pipe department that the through-hole extended the heparin tube and heats it, this device is compared in prior art, skew in heparin tube and the electric heating piece position has been avoided, make the heating of heparin tube more stable.

2. This closing device of heparin tube only adopts a cylinder can realize that the centering centre gripping of heparin tube is fixed and heating work, makes with use cost low, compact structure, easy to maintain, and this device is through the cooperation of guide block and guide way and the dual cooperation of locating lever and locating hole, improves the precision when electrical heating piece and heparin tube heating location, excellent in use effect.

Drawings

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

fig. 2 is a top view of the structural splint of the present invention.

In the figure: 1. a base; 2. a blood collection tube conveying mechanism; 3. a side frame; 4. a top frame; 5. a support plate; 6. positioning holes; 7. a limiting groove; 8. a support frame; 9. fixing the rod; 10. a first spring; 11. a splint; 111. a wedge-shaped groove; 112. a card slot; 113. a rubber pad; 12. a limiting block; 13. a constant temperature electric heater; 14. a cylinder; 15. a piston rod; 16. a connecting plate; 17. a guide block; 18. an electrical heating block; 19. a movable groove; 20. a support bar; 21. a buffer plate; 22. a second spring; 23. a through hole; 24. a wedge block; 25. positioning a rod; 26. a guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some 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.

Referring to fig. 1-2, a sealing device for blood sampling tubes comprises a base 1, a blood sampling tube conveying mechanism 2 is disposed in the middle of the top of the base 1, side frames 3 are fixedly connected to both sides of the top of the base 1, a top frame 4 is fixedly connected to the top of the side frames 3, a supporting plate 5 is fixedly connected to the bottom of the inner side of the side frames 3, a guiding groove 26 is disposed on the top of the inner side of the side frames 3, a positioning hole 6 is disposed in the middle of the supporting plate 5, a limiting groove 7 is disposed on one side of the top of the supporting plate 5 close to the blood sampling tube conveying mechanism 2, a supporting frame 8 located inside the positioning hole 6 is fixedly connected to the top of the supporting plate 5, a fixing rod 9 is movably sleeved on the middle of the supporting frame 8, a clamping plate 11 is fixedly connected to one end of the fixing rod 9, a first spring 10 located between the supporting, one side at top of roof-rack 4 is equipped with constant temperature electric heater 13, and the middle part fixed mounting on top of roof-rack 4 has cylinder 14, and the output movable sleeve of cylinder 14 is equipped with piston rod 15, and the bottom of piston rod 15 extends to the below of roof-rack 4 and fixedly connected with connecting plate 16.

Wherein, the both ends of connecting plate 16 all are equipped with guide block 17, and the middle part of connecting plate 16 bottom is equipped with the electric heating piece 18 of being connected with constant temperature electric heater 13, movable groove 19 has all been seted up to the both sides at connecting plate 16 top, movable sleeve is equipped with bracing piece 20 in the movable groove 19, the bottom fixedly connected with buffer board 21 of bracing piece 20, and the movable sleeve is equipped with the second spring 22 that is located between connecting plate 16 and the buffer board 21 on the bracing piece 20, the through-hole 23 that cup joints with electric heating piece 18 activity is seted up at the middle part of buffer board 21, and the both sides of buffer board 21 bottom all are equipped with wedge 24, the equal fixedly connected with locating lever 25 in both sides of connecting plate.

Wherein, wedge groove 111 has been seted up to one side at splint 11 top, and splint 11 inboard middle part has seted up draw-in groove 112, is equipped with rubber pad 113 on the inner wall of draw-in groove 112, utilizes the rubber pad 113 of setting on draw-in groove 112 inner wall, can improve the steadiness of draw-in groove 112 to the centre gripping of heparin tube on the one hand, and on the other hand plays certain cushioning effect to with the rigid contact between draw-in groove 112 and the heparin tube change elastic flexible contact, be favorable to the protection to the heparin tube.

Wherein, the one end of first spring 10 and the inboard fixed connection of support frame 8, and one side fixed connection of the other end of first spring 10 and splint 11 utilizes first spring 10, and after the heparin tube heating was accomplished, drive dead lever 9 and reset to drive splint 11 and reset, the heparin tube removal after the heating of being convenient for.

Wherein, the guide block 17 of connecting plate 16 both ends activity suit respectively is in the guide way 26 of two side bearer 3, and the locating lever 25 of connecting plate 16 bottom both sides cup joints with the both ends of buffer board 21 and the locating hole 6 activity at two backup pad 5 middle parts respectively, and through the cooperation of guide block 17 and guide way 26 and the dual cooperation of locating lever 25 and locating hole 6, precision when improving electrical heating piece 18 and heparin tube heating location, excellent in use effect.

Wherein, the one end of second spring 22 and the bottom fixed connection of connecting plate 16, and the other end of second spring 22 and the top fixed connection of buffer plate 21 utilize second spring 22, and after electric heating block 18 passed through-hole 23 and heated the mouth of pipe of heparin tube, drive buffer plate 21 complex to make electric heating block 18 break away from through-hole 23.

Wherein, two wedge blocks 24 of buffer board 21 bottom cup joint with the wedge groove 111 activity at two splint 11 tops respectively, and this device utilizes two wedge blocks 24 of buffer board 21 bottom and the wedge groove 111 contact and the extrusion at two splint 11 tops to drive two splint 11 simultaneous relative motion, and then it is fixed to centering the centre gripping to the heparin tube, makes things convenient for the heating work of its subsequence.

The working principle is as follows: first, the blood collection tube is transported by the blood collection tube transport mechanism 2 to a position directly below the electric heating block 18, then, the starting cylinder 14 drives the connecting plate 16 at the bottom of the piston rod 15 to descend, thereby driving the buffer plate 21 to descend, the two wedge blocks 24 at the bottom of the buffer plate 21 are used for extruding the wedge grooves 111 on the two clamping plates 11, further driving the two clamping plates 11 to move relatively to clamp the blood sampling tube conveyed by the blood sampling tube conveying mechanism 2 in a self-centering way, and finally, as the buffer plate 21 descends continuously, after the wedge block 24 completely presses the clamping plate 11 and contacts with the top of the supporting plate 5, the buffer plate 21 compresses the second spring 22 and moves relative to the connecting plate 16, so that the electric heating block 18 at the bottom of the connecting plate 16 passes through the through hole 23 and extends to the nozzle of the blood sampling tube to heat the blood sampling tube, after one-time heating is completed, the air cylinder 14 is started to drive the connecting plate 16 to reset, at the moment, the compressed first spring 10 and the second spring 22 respectively drive the clamping plate 11 and the buffer plate 21 to reset.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a closing device of heparin tube, includes base (1), its characterized in that: the middle part of the top end of the base (1) is provided with a blood sampling tube conveying mechanism (2), the two sides of the top of the base (1) are fixedly connected with side frames (3), the top of each side frame (3) is fixedly connected with an upper frame (4), the bottom of the inner side of each side frame (3) is fixedly connected with a supporting plate (5), the top of the inner side of each side frame (3) is provided with a guide groove (26), the middle of each supporting plate (5) is provided with a positioning hole (6), one side, close to the blood sampling tube conveying mechanism (2), of the top of each supporting plate (5) is provided with a limiting groove (7), the top of each supporting plate (5) is fixedly connected with a supporting frame (8) positioned at the inner side of the positioning hole (6), the middle of each supporting frame (8) is movably sleeved with a fixing rod (9), one end of each fixing rod (9) is fixedly connected with a clamping plate (11), the bottom of splint (11) is equipped with stopper (12) of activity suit in spacing groove (7), one side at roof-rack (4) top is equipped with constant temperature electric heater (13), and the middle part fixed mounting on roof-rack (4) top has cylinder (14), the output movable sleeve of cylinder (14) is equipped with piston rod (15), the bottom of piston rod (15) extends to the below and the fixedly connected with connecting plate (16) of roof-rack (4).

2. A sealing device for a blood collection tube according to claim 1, wherein: the both ends of connecting plate (16) all are equipped with guide block (17), and the middle part of connecting plate (16) bottom is equipped with electric heating block (18) of being connected with constant temperature electric heater (13), movable groove (19) have all been seted up to the both sides at connecting plate (16) top, movable groove (19) internalization cover is equipped with bracing piece (20), the bottom fixedly connected with buffer board (21) of bracing piece (20), and bracing piece (20) go up movable cover and be equipped with second spring (22) that are located between connecting plate (16) and buffer board (21), through-hole (23) that cup joint with electric heating block (18) activity are seted up at the middle part of buffer board (21), and the both sides of buffer board (21) bottom all are equipped with wedge (24), the equal fixedly connected with locating lever (25) in both sides of connecting plate (16) bottom.

3. A sealing device for a blood collection tube according to claim 1, wherein: wedge-shaped groove (111) have been seted up to one side at splint (11) top, and clamping groove (112) have been seted up at the inboard middle part of splint (11), be equipped with rubber pad (113) on the inner wall of clamping groove (112).

4. A sealing device for a blood collection tube according to claim 1, wherein: one end of the first spring (10) is fixedly connected with the inner side of the support frame (8), and the other end of the first spring (10) is fixedly connected with one side of the clamping plate (11).

5. A sealing device for a blood collection tube according to claim 2, wherein: guide blocks (17) at two ends of the connecting plate (16) are respectively movably sleeved in guide grooves (26) of the two side frames (3), and positioning rods (25) at two sides of the bottom of the connecting plate (16) are respectively movably sleeved with two ends of the buffer plate (21) and positioning holes (6) in the middle of the two supporting plates (5).

6. A sealing device for a blood collection tube according to claim 2, wherein: one end of the second spring (22) is fixedly connected with the bottom of the connecting plate (16), and the other end of the second spring (22) is fixedly connected with the top of the buffer plate (21).

7. A sealing device for a blood collection tube according to claim 2, wherein: two wedge blocks (24) at the bottom of the buffer plate (21) are movably sleeved with the wedge grooves (111) at the tops of the two clamping plates (11) respectively.