CN111483787A

CN111483787A - Special automatic blood sampling outlet pipe and automatic direction dividing device

Info

Publication number: CN111483787A
Application number: CN202010499344.7A
Authority: CN
Inventors: 李凯霞; 葛晓伟; 李丽; 程铭; 王潇; 王慧; 贾丽; 郭元婷
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2020-08-04
Also published as: CN113023303B; CN113023303A

Abstract

The invention relates to the field of medical instruments, in particular to a special automatic blood sampling outlet pipe and automatic direction dividing device, which comprises: bottom plate, stand, blood sampling pipe box, pin structure, shore cam, rotatory power spare, slide support column, divide board, directional slide, articulated cylinder, slip hook, extension spring lamella, extension spring. According to the invention, the automatic blood collection tube outlet is realized by adopting the funnel-like blood collection tube box matched with the elastic sliding hook structure, and the effect of taking the front tube out and taking the rear tube out can be achieved. The blood sampling tube box of exit tube device funnel formula cooperates the pin of shoring cam drive, and two backing pins of pin are the intermittent type formula of each other and are inserted the fender position, can realize blood sampling tube box lower port only one pipe of whereabouts at every turn in the real sense, and the shoring cam rotates a week and can make blood sampling tube box lower port fall down one blood sampling tube. The distribution plate arranged below the blood collection tube box is matched with the directional slide way, and the left directional slide way and the right directional slide way can alternately lower tubes through the natural balance weight alternate left-right inclination of the falling blood collection tubes.

Description

Special automatic blood sampling outlet pipe and automatic direction dividing device

Technical Field

The invention relates to the field of medical instruments, in particular to a special automatic blood sampling outlet pipe and an automatic direction-dividing device.

Background

The hospital is treating the patient or when carrying out the physical examination, and the blood sampling is an indispensable inspection operation, and medical personnel have two kinds to get a tub mode usually when taking a blood sample to the patient, one kind is to press to becoming the heparin tube fixing base and place on table surface with the cystosepiment that is fixed with the heparin tube to directly get the pipe on the heparin tube fixing base. The other method is to prepare a small amount of scattered blood collection tubes to be scattered on a working table surface and take the scattered blood collection tubes in sequence to carry out blood collection operation on patients. The two operation methods are common tube taking methods in blood sampling at present, but the two methods are found to have the following defects according to the actual operation of medical personnel:

1. when adopting the first kind to get the pipe mode, heparin tube fixing base area is great, has occupied table surface's too much region, and medical personnel usable operating space is little on table surface, seriously influences medical personnel's blood sampling convenience, still causes medical personnel's arm activity easily not to open the mistake and bump and cause the heparin tube fixing base to drop to cause the potential safety hazard.

2. The fixed heparin tube of rectangle dot matrix formula is fixed for the piecing together tubular of different blood sampling effects, different grade type under most circumstances on the heparin tube fixing base, and the heparin tube of different grade type is fixed regional piecing together the dish formula separately and is placed on the heparin tube fixing base, and the condition of taking the heparin tube by mistake appears easily when medical personnel get the pipe in the blood sampling to cause the inspection deviation to appear.

3. When the second tube taking mode is adopted, scattered empty tubes are scattered on the working table top, the empty tubes are easy to roll and drop, and the broken blood collection tubes are easy to cause potential safety hazards. And medical personnel will pay attention to whether have the heparin tube to roll the landing constantly when taking a blood sample, cause medical personnel's energy to be unable to concentrate easily, lead to the condition that the blood sampling fails to appear, make the patient receive the injury.

4. Scattered pipe often can appear the condition that end direction was exchanged when medical personnel took up the use, when taking out the pipe in carrying out big blood sampling in batches, medical personnel all need to pay attention to whether orientation of taking a blood sample is correct at every turn, and very easy dispersion medical personnel attention and energy. And if the directions of a large quantity of scattered pipes are changed in sequence before use, the operation is very complicated, the time is delayed, and unnecessary labor of medical staff is wasted.

Disclosure of Invention

In order to solve the above problems, the present invention provides an automatic outlet tube and an automatic direction-dividing device for blood collection.

The purpose of the invention is realized by the following technical scheme:

the invention provides a special automatic outlet pipe and automatic direction-dividing device for blood sampling, which comprises: the blood sampling device comprises a bottom plate, a stand column, a blood sampling tube box, a stop lever structure, a top support cam, a rotary power piece, a slideway support column, a uniform distribution plate, a directional slideway, a hinged cylinder, a sliding hook, a tension spring flap and a tension spring;

the stand column is arranged on the bottom plate, the blood collection tube box is arranged on the stand column, the blood collection tube box is in a funnel shape with a wide upper part and a narrow lower part, and the narrow lower part of the blood collection tube box only allows a single blood collection tube to pass through; the pin structure includes: the blood sampling tube box comprises a connecting section, a vertical section I, a transverse section I, a stop pin I, a vertical section II, a transverse section II and a stop pin II, wherein the vertical section I and the vertical section II are connected through the connecting section;

when the top support cam rotates, the control stop pin I is switched between positions of shifting the blood collection tube in the blood collection tube box through the stop pin groove and positions of shifting the blood collection tube out of the stop pin groove, and the control stop pin II is switched between the positions of shifting the blood collection tube away from the lower port of the blood collection tube box and positions of shifting the blood collection tube into the lower port of the blood collection tube box; the jacking cam rotates for a circle, and the blood collection tube box only falls down a single blood collection tube under the action of the intermittent gear of the gear lever structure;

the number of the slide way support columns is two, the two slide way support columns are arranged on the bottom plate, an equal division plate is hinged between the upper ends of the two slide way support columns, and directional slide ways are respectively arranged between the two sides of the two slide way support columns; the lower port of the blood collection tube box sequentially drops the blood collection tubes which fall singly into the uniform distribution plate, the uniform distribution plate is sequentially inclined left and right under the balance weight of the blood collection tubes, and the blood collection tubes are uniformly distributed into the two directional slide ways on the left side and the right side;

the two hinged cylinders are symmetrically hinged on the upright post, the upper end and the lower end of the sliding hook are both arc walls, the upper arc wall of the sliding hook is connected with the hinged cylinders, and the tension spring flaps are arranged on the hinged cylinders; one end of the tension spring is connected with the tension spring flap, and the other end of the tension spring is connected with the upright post; the upper arc walls of the two slide hooks are respectively positioned at the lower parts of the two directional slide ways; the heparin tube of whereabouts in the directional slide landing to last circular wall, dull and stereotyped slide, the circular wall down of slide hook in proper order, the slide hook rotates under the counter weight of heparin tube and makes the last circular wall of slide hook keep off the position to the heparin tube in the directional slide to take away the back at the heparin tube and carry out elastic recovery through the extension spring.

Further, the device still includes heparin tube head and tail to the structure, and the heparin tube head and tail includes to the structure: the device comprises a shell, a sliding panel, a top plate shell, a bidirectional threaded screw rod, a knob, a threaded propelling block I, a threaded propelling block II, a wedge groove block and a top plate;

the casing is provided with a pre-placing groove position and an end-to-end branch groove position which are connected, the pre-placing groove position and the end-to-end branch groove position are provided with step surfaces at the middle positions of the groove positions, an inlet plate for limiting the position to pass through a single blood sampling tube is arranged between the pre-placing groove position and the end-to-end branch groove position, the end positions of the left side and the right side of the groove positions are hinged with a restraint plate along the front-back direction, the end positions of the left side and the right side of the groove positions are respectively provided with a sliding panel which inclines downwards, and the three end positions outside;

a top plate shell is arranged in the shell and is positioned from head to tail to the lower part of the groove position, a bidirectional threaded screw rod, a threaded propelling block I and a threaded propelling block II are arranged in the top plate shell, wedge groove block, the roof, the one end of two-way screw lead screw is stretched out outside the casing and is connected with the knob, screw propulsion piece I and screw propulsion piece II have been cup jointed to the positive and negative screw thread section of two-way screw lead screw thread respectively, all be provided with the uide pin on screw propulsion piece I and the screw propulsion piece II, the correspondence of roof shell both sides is provided with the guide way along the fore-and-aft direction trend, uide pin slidable mounting is in the guide way, screw propulsion piece I is provided with the wedge groove block respectively with the upper end of screw propulsion piece II, be provided with the ascending wedge groove of slope on the relative medial surface of two wedge groove blocks, the roof groove has been seted up along the fore-and-aft direction in step face department, the roof direction reciprocates at the roof inslot at two.

Furthermore, the top plate is divided into two parts, wherein one part above the top plate is a top support section, and the other part below the top plate is an inclined wedge section; the length of the top bracing section is matched with that of the top plate groove in the front-back direction, the upper end of the top bracing section is an end edge with a circular arc structure in cross section, the length of the tapered wedge section in the front-back direction is smaller than that of the top bracing section, the length of the tapered wedge section from top to bottom is linearly shortened, the inclination of the end edge of the front side and the inclination of the end edge of the rear side of the tapered wedge section are matched with that of the tapered wedge groove in the tapered wedge groove block, and the width of the tapered wedge groove is matched.

Further, the apparatus further comprises: the clamping plate, the threaded sleeve, the threaded rod, the hinge sleeve and the handle; the clamping plate is arranged in the blood sampling tube box in a sliding mode, the clamping plate is provided with a hinged sleeve, and the outer wall of the blood sampling tube box is provided with a threaded sleeve; the threaded rod is sleeved on the threaded sleeve in a threaded manner, one end of the threaded rod is connected with the handle, and the other end of the threaded rod is hinged with the hinged sleeve.

Further, the inner wall of the space for containing the blood collection tubes in the blood collection tube box is provided with a plurality of raised lines which are uniformly distributed along the front and back directions of the blood collection tube box and have semicircular cross sections from top to bottom.

Further, vertical section I and I integrative fixed perpendicular connection of horizontal section, vertical section II and II integrative fixed perpendicular connections of horizontal section, horizontal section I is the horizontal segment with horizontal section II, perpendicular fixedly connected with backing pin I on the end medial surface in horizontal section I towards the place ahead, perpendicular fixedly connected with backing pin II on the end medial surface in horizontal section II towards the place ahead, II length of vertical section are than the size of the I length one more blood sampling pipe external diameter of vertical section, the position department that is close to I one side of vertical section on the linkage section is provided with the pin pivot and is articulated with stand or blood sampling pipe box outer wall, the pin pivot is on the symmetry plane of blood sampling pipe box in vertical direction.

Further, the rotating power piece is a motor; the cam rotating shaft of the jacking cam is positioned right below the stop lever rotating shaft; when the shoring cam rotates, only the transverse section I can be jacked up, and the shoring cam cannot be contacted with the transverse section II.

Furthermore, the slideway support column comprises a cross-shaped vertical support section and a cross-shaped horizontal support section, an equal-division plate is hinged between the upper ends of the two vertical support sections, and a directional slideway is arranged between the two end parts of the two horizontal support sections; the equipartition plate comprises: the sliding plate, the equal division partition plate and the side baffle plate; the middle position of the sliding plate is vertically provided with an equal division clapboard along the front and back directions, the front and back end edges of the sliding plate are vertically provided with an edge baffle, the axial length of the sliding plate is longer than the length of the blood sampling tube, and the width of the sliding plate is more than twice of the outer diameter of the blood sampling tube; the uniform plate is in a natural skew angle without external force.

Further, the slip hook cross-section is the J type, and articulated cylinder is connected in the J type upper end of slip hook, and the lower extreme design of slip hook is the semicircle hook of circular wall, and the circular arc radian of semicircle hook is full circle 1/2, and the inner wall diameter of semicircle hook is identical with heparin tube pipe wall external diameter, and the upper end of slip hook is provided with the circular wall, and the circular arc radian of upper end circular wall is 1/3 full circular radian.

Furthermore, a planar sliding plate is arranged between the arc wall at the upper end of the sliding hook and the semicircular hook at the lower end of the sliding hook, a plurality of groups of left and right through grooves which are communicated with the upper surface and the lower surface are formed in the sliding plate along the front-back direction, a plurality of blocking strips are uniformly distributed at the hook tail of the semicircular hook at the lower end of the sliding hook along the front-back direction, and the blocking strips are parallel to the through grooves.

According to the special automatic outlet pipe and automatic direction-dividing device for blood collection, the automatic outlet pipe of the blood collection pipe is realized by matching the blood collection pipe box similar to a funnel type elastic sliding hook structure, and the effect of taking out the front pipe and taking out the rear pipe can be achieved. The blood sampling tube box of exit tube device funnel formula cooperates the pin of shoring cam drive, and two backing pins of pin are the intermittent type formula of each other and are inserted the fender position, can realize blood sampling tube box lower port only one pipe of whereabouts at every turn in the real sense, and shoring cam rotates a week and can make blood sampling tube box lower port fall a blood sampling tube. Through controlling the rotating speed of the top supporting cam, the speed of discharging the blood sampling tube box at each time can be realized, the tube can be discharged according to the speed regulation rotating speed of medical personnel, and the blood sampling tube box is very convenient and fast. The blood sampling tube box is characterized in that the distribution plate is matched with the directional slide way, the blood sampling tubes falling downwards incline left and right in an alternating mode through the natural balance weight of the blood sampling tubes, the left directional slide way and the right directional slide way can be alternately used for tube descending, so that medical staff for sampling blood can be increased into two in the process of sampling blood in batches, and the two blood sampling tubes are not interfered by each other.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a structural diagram of an angle between an automatic outlet pipe and an automatic direction-dividing device of the invention;

FIG. 2 is a structural diagram of another angle between the automatic outlet pipe and the automatic direction-dividing device for blood collection according to the present invention;

FIG. 3 is a front view of the automatic outlet tube and automatic direction-directing device of the present invention;

FIG. 4 is a sectional view of the special automatic outlet tube for blood collection according to the present invention at an angle to the structure of the clamping plate of the automatic direction-shifting device;

FIG. 5 is a sectional view of the other angle of the structure of the clamping plate of the automatic outlet pipe and the automatic direction-changing device for blood collection of the present invention;

FIG. 6 is a diagram of the state I of automatic discharging and automatic direction-changing of the blood collection tube in the automatic discharging and automatic direction-changing device for blood collection of the present invention;

FIG. 7 is a diagram of the state II of automatic discharging and automatic direction-changing of the blood collection tube in the automatic discharging and automatic direction-changing device for blood collection of the present invention;

FIG. 8 is a view showing a state III in which the blood collection tube is automatically discharged and automatically oriented in the automatic discharging and orienting device for blood collection according to the present invention;

FIG. 9 is a diagram of a state IV of automatic discharging and automatic direction changing of a blood collection tube in the automatic discharging and automatic direction changing device for blood collection of the present invention;

FIG. 10 is a structural diagram of a stop lever of the automatic outlet pipe and the automatic direction-changing device for blood collection according to the present invention;

FIG. 11 is a structural diagram of a slideway support column, a uniform distribution plate and a directional slideway in the special automatic blood-taking outlet and automatic direction-dividing device of the invention;

FIG. 12 is a view showing an angle between an automatic outlet tube and a sliding hook of an automatic direction-changing device according to the present invention;

FIG. 13 is a structural view of another angle between the automatic outlet tube and the sliding hook of the automatic direction-changing device according to the present invention;

FIG. 14 is a front view of the slide hook of the automatic discharge tube and automatic direction-finder for blood collection according to the present invention;

FIG. 15 is a structural view of a sliding hook in the automatic outlet pipe and automatic direction-guiding device of the present invention;

FIG. 16 is a view showing a state I of the structure of the blood collection tube in the direction from the head to the tail in the automatic discharge tube and automatic direction-dividing device according to the present invention;

FIG. 17 is a view showing a state II of the structure of the blood collection tube in the direction from the head to the tail in the automatic outlet tube and automatic direction-dividing device according to the present invention;

FIG. 18 is a view showing a state III in which the blood collection tubes are arranged end to end in the automatic outlet tube and automatic direction-dividing device according to the present invention;

FIG. 19 is a structural diagram of the structure of the automatic outlet tube and the automatic direction-dividing device for blood collection according to the present invention;

FIG. 20 is a view showing an angle between an automatic outlet tube and a top plate housing of an automatic direction-changing device according to the present invention;

FIG. 21 is a structural view of another angle between the automatic outlet tube and the top plate shell of the automatic direction-changing device;

FIG. 22 is a structural view of an angle between the automatic outlet pipe and a two-way screw rod of the automatic direction-changing device according to the present invention;

FIG. 23 is a structural view of another angle between the automatic outlet pipe and the two-way screw rod of the automatic direction-changing device according to the present invention;

wherein the reference numerals are: 1. a base plate; 2. a column; 3. a blood collection tube box; 4. a stop lever; 5. a jacking cam; 6. a slideway support column; 7. evenly dividing the plates; 8. a directional chute; 9. a hinged cylinder; 10. a sliding hook; 11. a tension spring flap; 12. a tension spring; 13. a connecting section; 14. a vertical section I; 15. a transverse section I; 16. a stop pin I; 17. a vertical section II; 18. a transverse section II; 19. a stop pin II; 20. a pin blocking groove; 21. a housing; 22. a sliding panel; 23. a roof shell; 24. a bidirectional threaded screw rod; 25. a knob; 26. a screw thread propelling block I; 27. a screw thread propelling block II; 28. a tapered wedge groove block; 29. a top plate; 30. pre-placing a slot position; 31. the head and the tail are divided into slot positions; 32. a step surface; 33. an inlet plate; 34. a restraint plate; 35. a guide pin; 36. a guide groove; 37. a wedge groove; 38. a roof plate groove; 39. a clamping plate; 40. a stop lever rotating shaft; 41. a threaded sleeve; 42. a threaded rod; 43. a hinge sleeve; 44. a handle; 45. a convex strip; 46. a motor; 47. a slide plate; 48. dividing the partition boards evenly; 49. an edge baffle; 50. a through groove; 51. blocking strips; 52. a blood collection tube; 53. a hinged block.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 23, an automatic outlet tube and an automatic direction device for blood collection according to an embodiment of the present invention includes: the blood sampling device comprises a bottom plate 1, a stand column 2, a blood sampling tube box 3, a stop lever 4 structure, a top support cam 5, a rotary power part, a slideway support column 6, an even distribution plate 7, a directional slideway 8, a hinged cylinder 9, a sliding hook 10, a tension spring flap 11 and a tension spring 12;

the stand column 2 is arranged on the bottom plate 1, the blood sampling tube box 3 is arranged on the stand column 2, the blood sampling tube box 3 is of a funnel shape with a wide upper part and a narrow lower part, and the narrow lower part of the blood sampling tube box 3 only allows a single blood sampling tube 52 to pass through; the stop lever 4 structurally comprises: the blood sampling tube is characterized by comprising a connecting section 13, a vertical section I14, a transverse section I15, a stop pin I16, a vertical section II 17, a transverse section II 18 and a stop pin II 19, wherein the vertical section I14 is connected with the vertical section II 17 through the connecting section 13, the position, close to one side of the vertical section I14, on the connecting section 13 is hinged with the outer wall of the upright column 2 or the blood sampling tube box 3, the vertical section I14, the transverse section I15 and the stop pin I16 are sequentially connected, the vertical section II 17, the transverse section II 18 and the stop pin II 19 are sequentially connected, a jacking cam 5 is dynamically connected with a rotating power part and then respectively hinged to two sides of the upright column 2, the jacking cam 5 is positioned on the inner sides of the vertical section I14 and the vertical section II 17, and a stop pin groove 20 is formed;

when the jacking cam 5 rotates, the control stop pin I16 passes through the stop pin groove 20 to shift the blood collection tube 52 in the blood collection tube box 3 and extends out of the stop pin groove 20, and the control stop pin II 19 is switched between the positions of shifting the blood collection tube 52 away from the lower port of the blood collection tube box 3 and extending into the lower port of the blood collection tube box 3; the top supporting cam 5 rotates for a circle, and the blood collection tube box 3 only falls down a single blood collection tube 52 under the action of the intermittent gear of the structure of the stop lever 4;

the number of the slideway support columns 6 is two, the two slideway support columns 6 are arranged on the bottom plate 1, an equalizing plate 7 is hinged between the upper ends of the two slideway support columns 6, and directional slideways 8 are respectively arranged between the two sides of the two slideway support columns 6; the blood sampling tubes 52 which sequentially and singly fall from the lower end openings of the blood sampling tube boxes 3 fall into the equally dividing plate 7, the equally dividing plate 7 is sequentially inclined left and right under the balance weight of the blood sampling tubes 52, and the blood sampling tubes 52 are equally divided into the two directional slide ways 8 on the left side and the right side;

the two hinged cylinders 9 are symmetrically hinged on the upright post 2, the upper end and the lower end of the sliding hook 10 are both arc walls, the upper arc wall of the sliding hook 10 is connected with the hinged cylinders 9, and the tension spring flaps 11 are arranged on the hinged cylinders 9; one end of a tension spring 12 is connected with the tension spring flap 11, and the other end is connected with the upright post 2; the upper arc walls of the two slide hooks 10 are respectively positioned at the lower parts of the two directional slideways 8; blood sampling tube 52 falling in directional slide 8 slides down to the upper arc wall, the flat plate slide and the lower arc wall of slide hook 10 in sequence, slide hook 10 rotates under the counter weight of blood sampling tube 52 to make the upper arc wall of slide hook 10 shift gears blood sampling tube 52 in directional slide 8, and blood sampling tube 52 is taken away and then is elastically restored through extension spring 12.

According to the special automatic outlet pipe and automatic direction-dividing device for blood collection, the automatic outlet pipe of the blood collection pipe 52 is realized by adopting a funnel-like blood collection pipe box 3 and matching with the elastic sliding hook 10 structure, and the effect of taking out the front pipe and taking out the rear pipe can be achieved. The blood sampling tube box 3 of exit tube device funnel formula cooperates with the pin 4 of 5 driven shoring cams, and two pins of pin 4 are inserted mutually the intermittent type and are kept off the position, can realize in the real sense that port only falls a pipe at every turn under the blood sampling tube box 3, and shoring cams 5 rotate a week and can make blood sampling tube box 3 port fall down a blood sampling tube 52 down. Through controlling the rotating speed of the top supporting cam 5, the blood sampling tube box 3 can discharge tubes at every time, and the tube discharging can be carried out according to the speed regulation and rotation speed of medical staff, so that the blood sampling tube box is very convenient and fast. The uniform distribution plate 7 arranged below the blood collection tube box 3 is matched with the directional slide ways 8, the left and right directional slide ways 8 can be alternately lowered through the natural counterweight alternate left and right inclination of the falling blood collection tubes 52, so that the number of medical staff for collecting blood in large-batch blood collection can be increased to two, and the two people take out the tubes without mutual interference.

Preferably, the device still includes heparin tube head and tail to the structure, and the heparin tube head and tail includes to the structure: the device comprises a shell 21, a sliding panel 22, a top plate shell 23, a two-way threaded screw rod 24, a knob 25, a threaded propelling block I26, a threaded propelling block II 27, a wedge groove block 28 and a top plate 29;

the casing 21 is provided with a pre-placing groove 30 and an end-to-end directional groove 31 which are connected, the middle positions of the pre-placing groove 30 and the end-to-end directional groove 31 are provided with step surfaces 32, an inlet plate 33 which limits the position to pass through a single blood sampling tube 52 is arranged between the pre-placing groove 30 and the end-to-end directional groove 31, the end edges of the left side and the right side of the end-to-end directional groove 31 are hinged with a restraint plate 34 along the front-to-back direction, the end edges of the left side and the right side of the end-to-end directional groove 31 are respectively provided with a downward inclined sliding panel 22, and three end edges outside the;

a top plate shell 23 is arranged in the shell 21, the top plate shell 23 is positioned at the lower part of the slot position 31 from head to tail, a two-way threaded screw rod 24, a threaded propelling block I26, a threaded propelling block II 27, an inclined wedge groove block 28 and a top plate 29 are arranged in the top plate shell 23, one end of the two-way threaded screw rod 24 extends out of the shell 21 and is connected with a knob 25, the positive and negative thread sections of the two-way threaded screw rod 24 are respectively connected with the threaded propelling block I26 and the threaded propelling block II 27 through threads 41, guide pins 35 are respectively arranged on the threaded propelling block I26 and the threaded propelling block II 27, guide grooves 36 along the front and back direction are correspondingly arranged at two sides of the top plate shell 23, the guide pins 35 are slidably arranged in the guide grooves 36, inclined wedge groove blocks 28 are respectively arranged at the upper ends of the threaded propelling block I26 and the threaded propelling block II 27, inclined wedge grooves 37 inclined upwards are arranged on the opposite inner side surfaces of the two, the top plate 29 is guided in two wedge grooves 37 to move up and down in a top plate groove 38.

With the supporting use of above-mentioned device have the heparin tube head and the tail to the structure for carry out syntropy to the initial unordered heparin tube 52 and sort, put into above-mentioned heparin tube box 3 again after head and the tail orientation is unified and use. The main body of the blood collection tube from head to tail is a shell 21, and the shell 21 mainly comprises a head-tail separation groove 31, a pre-placing groove 30, a sliding panel 22, a top plate shell 23 and the like. The front end of the pre-placing slot position 30 is integrally connected with the head and the tail branch slots, vertical blocking pieces are arranged on the rear side, the left side and the right side of the pre-placing slot position 30, vertical blocking pieces are also arranged on the front ends of the head and the tail branch slots 31, and the width of the pre-placing slot position 30 and the head and the tail branch slots is larger than the integral axial length of the blood sampling tube 52. A raised step surface 32 is arranged on the upper end surface of the inner bottom surface of the pre-placing slot position 30 and the slot position 31 from head to tail along the front-back direction, and the height of the raised step surface 32 is slightly larger than the difference between the maximum circumferential outer diameter of the plugging cap of the blood sampling tube 52 and the outer diameter of the glass tube of the blood sampling tube 52. The step face 32 is wide, and the distance between the left and right side end edges of the step face 32 and the pre-placing slot 30 and the width from the head to the tail to the corresponding side of the slot 31 are greater than the axial length of the plugging cap of the blood sampling tube 52.

Above-mentioned design makes when being left right direction orientation when putting blood sampling tube 52 to trench 31 inside with head and the tail in advance slot 30, the unordered orientation left right direction of blood sampling tube 52 head end plugging cap of inside batch arrangement, and step face 32 holds in the palm the pad to blood sampling tube 52's glass tube section, and no matter the plugging cap of blood sampling tube 52 is towards the left side or the right side, and the plugging cap can be in the step face 32 outside and be unsettled state. The flange upper end of putting the trench 30 in advance and end to end between the trench 31 along left right direction fixedly connected with entry board 33 for from putting trench 30 in advance to end to trench 31 entrance highly spacing can only once through single heparin tube 52, when promoting the heparin tube 52 of putting trench 30 inside forward, heparin tube 52 can push in proper order to end to trench 31 inside with single row arrangement state. The top plate shell 23 is fixedly connected with the front and rear directions of the center below the slot position 31 from head to tail, the cross section of the top plate shell 23 is a rectangular hollow inside, a top plate groove 38 is formed in the center of the step surface 32 of the slot position 31 from head to tail along the front and rear directions, the top plate groove 38 is a slender straight groove, and the top plate groove 38 is communicated with the upper ends of the top plate shell 23 and the step surface 32. The top plate shell 23 is internally hinged with a two-way threaded screw rod 24 along the front-back direction, the head end of the two-way threaded screw rod 24 extends out of the top plate shell 23 for a certain length from the front, a knob 25 is coaxially fixed at the end of the two-way threaded screw rod 24, the front and back thread sections of the two-way threaded screw rod 24 in the top plate shell 23 are respectively sleeved with a thread propulsion block I26 and a thread propulsion block II 27 in a threaded manner, guide pins 35 are vertically and fixedly connected with two ends of the thread propulsion block I26 and the thread propulsion block II 27 respectively, guide grooves 36 moving along the front-back direction are correspondingly arranged on two sides of the top plate shell 23, the guide pins 35 extend out from the guide grooves 36 of the top plate shell 23, the guide grooves 36 can play a front-back direction guiding role on the guide pins 35, and play a role in.

When the external knob 25 rotates to drive the bidirectional threaded screw rod 24 to synchronously rotate, the thread pushing block I26 and the thread pushing block II 27 synchronously move in opposite directions or in opposite directions along the axial direction of the bidirectional threaded screw rod 24 under the double actions of connection and guiding of the thread sleeve 41. The upper ends of the screw thread propelling block I26 and the screw thread propelling block II 27 are respectively fixed with a wedge groove block 28, and the opposite inner side surfaces of the two wedge groove blocks 28 are provided with wedge grooves 37 which incline outwards and upwards. Meanwhile, a top plate 29 is arranged in the top plate shell 23, the upper end of the top plate 29 penetrates through the top plate groove 38, and the whole width of the top plate 29 is matched with the width of the top plate groove 38, so that the top plate groove 38 is used for guiding the top plate 29 in the left and right directions.

Restraint plates 34 are hinged to the end edges of the left side and the right side of the slot 31 from head to tail along the front-back direction, and two ends of each restraint plate 34 are hinged to the inlet plate 33 and the front end face of the shell 21 respectively. Under normal conditions, restraint board 34 is vertical downwards, and when taking a blood sample 52 from pre-putting the inside in-process that pushes forward to the head and the tail to trench 31 inside of trench 30, restraint board 34 of both sides can play the fender position parallel and level effect of certain degree to taking a blood sample 52. The inclined downward sliding panel 22 is fixedly arranged from head to tail outside the two sides of the slot 31, and vertical upward flanges are arranged on three end edges outside the sliding panel 22, and can play a role in blocking the blood collection tubes 52 sliding to the sliding panel 22.

Preferably, the top plate 29 is divided into two parts, wherein one part at the upper part is a top bracing section, and the other part at the lower part is an inclined wedge section; the length of the top bracing section is matched with that of the top plate groove 38 along the front and rear direction, the upper end of the top bracing section is an end edge with a circular arc structure in cross section, the length of the inclined wedge section in the front and rear direction is smaller than that of the top bracing section, the length of the inclined wedge section from top to bottom is linearly shortened, the inclination of the end edges of the front side and the rear side of the inclined wedge section is matched with that of the inclined wedge groove 37 in the inclined wedge groove block 28, and the width of the inclined wedge groove 37 is matched with that of the top plate 29.

The top plate 29 is divided into two parts, one part at the upper part is a top bracing section, the other part at the lower part is an inclined wedge section, the length of the top bracing section is longer along the front-back direction and basically coincides with the length of the top plate groove 38, and the upper end of the top bracing section is an end edge with a section in an arc structure. The front and back directions of the wedge segments are smaller than the top bracing segment, the lengths of the wedge segments in the top to bottom directions are linearly shortened, the slopes of the front and back side end edges of the wedge segments of the top plate 29 are consistent with the slopes of the wedge grooves 37 in the wedge groove blocks 28, the widths of the wedge grooves 37 are consistent with the width of the top plate 29, so that the front and back side end edges of the top plate 29 are respectively clamped in the wedge groove blocks 28 on the corresponding sides, the wedge segments of the top plate 29 and the two wedge groove blocks 28 form a wedge mechanism, and when the two screw thread pushing blocks drive the respective wedge groove blocks 28 to synchronously move in the opposite directions or in the opposite axial directions, the top plate 29 vertically moves upwards or downwards under the action of the wedge mechanism.

When it is necessary to use the blood sampling tubes to sort the initial large batches of blood sampling tubes 52 in the same direction with head-to-tail directions disorderly reversed in structure, the upper end of the top plate 29 in the initial state does not exceed the upper end surface of the step surface 32 in the top plate groove 38, the blood sampling tubes 52 are placed into the pre-placing groove 30 to be arranged, and the end plugging caps of the blood sampling tubes 52 are all in a suspended state outside the two sides of the step surface 32 no matter the blood sampling tubes are towards the left side or the right side. The blood sampling tubes 52 are pushed forward to enter the slot 31 end to end, and the blood sampling tubes 52 which are supported on the step surface 32 in the slot 31 end to end are also arranged. The rotary knob 25 drives the bidirectional threaded screw rod 24 to synchronously rotate, under the dual action of connection and guiding of the threaded sleeve 41, the threaded pushing block I26 and the threaded pushing block II 27 synchronously move along the axial direction of the bidirectional threaded screw rod 24 in opposite directions, under the action of the wedge mechanism, the top plate 29 vertically moves upwards and exceeds the step surface 32 by a certain height, and the middle positions of the blood sampling tubes 52 which are arranged from head to tail in the slot 31 in a one-way mode are propped to a certain height by the top plate 29. Since the upper end of top plate 29 is an end edge having a circular arc structure, blood collection tube 52 cannot be stably supported by top plate 29, and blood collection tube 52 is inclined and tilted toward the end with the heavier weight after top plate 29 is lifted to a certain height. Because the outside fixed cover of the glass tube section of heparin tube 52 head end has the shutoff cap for the counter weight of heparin tube 52 head end is heavier than the rear end.

Therefore, when cartridge 52 is pushed up by top plate 29, cartridge 52 inclines to the head end with a heavy weight, the head end inclines downward, and the tail end inclines upward, regardless of whether the head end of cartridge 52 is oriented to the left or right. The heparin tube 52 of tilt state can't be in stable state, to its corresponding side gliding, backs up restraint board 34 to slip panel 22 department gliding at the in-process heparin tube 52 of gliding, finally makes inside head and the tail to trench 31, the equal landing of tip towards left heparin tube 52 to left slip panel 22 bottom, and the equal landing of tip towards right heparin tube 52 to right slip panel 22 bottom, reaches the mesh to heparin tube 52 branch screening.

Preferably, the apparatus further comprises: a clamping plate 39, a threaded sleeve 41, a threaded rod 42, a hinge sleeve 43 and a handle 44; the clamping plate 39 is arranged in the blood sampling tube box 3 in a sliding manner, a hinged sleeve 43 is arranged on the clamping plate 39, and a threaded sleeve 41 is arranged on the outer wall of the blood sampling tube box 3; the threaded rod 42 and the threaded sleeve 41 are arranged on the threaded sleeve 41, one end of the threaded sleeve is connected with the handle 44, and the other end of the threaded sleeve is hinged with the hinge sleeve 43.

This device mainly adopts vertical structure, and the vertical stand 2 that is fixed with on the bottom plate 1, stand 2 have a take a breath the box 3 structure, concretely connection in 3 rear end faces of take a breath the box of stand 2 upper end fixedly connected with. Bilateral symmetry's upper and lower port of blood sampling tube box 3 link up, and the vertical facade of fixed connection stand 2 structure is the plane on blood sampling tube box 3, respectively have a vertical facade around blood sampling tube box 3, be front panel and counter plate respectively, relative lateral surface is the curved surface of twice circular arc buckling, make blood sampling tube box 3 be wide funnel type cross-section down from the front visual angle, and the interval slightly is greater than single blood sampling tube 52's external diameter width by between the both sides face of hypomere, make the great department of blood sampling tube box 3 upper segment both sides width be blood sampling tube 52 storage space, the vertical single row of blood sampling tube 52 of hypomere width narrowing department is arranged and is placed, guarantee that only the single tube loops through, blood sampling tube box 3 front and back is the plane. Blood collection tube 52 is placed inside blood collection tube cassette 3 in a horizontal state with its head facing forward and its tail facing backward.

The structure of the outer peripheral surfaces of the blood collection tube box 3 can ensure that the blood collection tubes 52 can not be inclined when placed in a uniform direction, the clamping plate 39 is vertically arranged between the inner walls of the two curved surfaces of the blood collection tube box 3, the clamping plate 39 has a certain thickness, the profile of the clamping plate 39 is matched with the inner section of the blood collection tube box 3, the profiles of the outer walls of the two sides of the clamping plate are curved surfaces bent twice in an arc shape, the reverse panel of the blood collection tube box 3 is provided with the threaded sleeve 41, the threaded sleeve 41 inside the threaded sleeve 41 is connected with the threaded rod 42, the front end of the threaded rod 42 is hinged with the hinged sleeve 43 fixedly arranged on the clamping plate 39, the rear end of the threaded rod 42 is sleeved with the L-type handle 44, the L-type handle 44 can adjust the length according to actual use habits, when the threaded rod 44 rotates through the L-type handle 44, because the threaded sleeve 41 and the threaded sleeve 41 are in the connection relationship, the blood collection tube box 3 and the threaded sleeve 41 are always in a fixed state, the threaded rod 42 moves axially while driving the clamping plate 39 to move back and forth, and back and forth movement of the blood collection tube box 3 can be prevented according to different specifications of the blood collection tubes 52, and shake.

Preferably, the inner wall of the space for containing the blood collection tubes 52 in the blood collection tube box 3 is provided with a plurality of raised lines 45 which are uniformly arranged along the front-back direction of the blood collection tube box 3 and have semicircular cross sections from top to bottom.

Inside the left and right sides face of blood sampling tube box 3 along the inner wall respectively from last to being provided with 2-3 cross-sections that evenly arrange along blood sampling tube box 3 fore-and-aft direction down and be semicircular sand grip 45, the medial surface take the altitude about sand grip 45 has filled up, make the blood sampling tube 52 of 3 inside both sides positions of blood sampling tube box can not laminate the 3 both sides inner wall of contact blood sampling tube box, avoid appearing greatly leading to blood sampling tube 52 to block the fixed unable circumstances of whereabouts with the regional more frictional force of blood sampling tube 52 laminating, and probably because after blood sampling tube 52 pipe cap external diameter is greater than the pipe wall external diameter, blood sampling tube 52 side is leaned on same side and makes blood sampling tube 52 appear crooked circumstances when piling up and placing. And both sides all hold in the palm the effect that fills up blood collection tube 52 and can effectually play balanced support to blood collection tube 52 through sand grip 45, thereby simultaneously because support through cross-section for semicircular sand grip 45 and make the contact area less so obtain frictional force still less, and sand grip 45 evenly distributed fixed position only contacts the side support to blood collection tube 52 pipe wall, make blood collection tube 52 tube cap outer peripheral face can't contact blood collection tube box 3 inner walls, can guarantee throughout that the orientation of blood collection tube 52 can not take place crooked, it can realize falling in proper order to have finally guaranteed that blood collection tube 52 can be automatic, the condition of card material can not appear.

Preferably, vertical section I14 and the integrative fixed perpendicular connection of horizontal section I15, vertical section II 17 and the integrative fixed perpendicular connection of horizontal section II 18, horizontal section I15 and horizontal section II 18 are the horizontal segment, perpendicular fixedly connected with backing pin I16 on the end medial surface in horizontal section I15 towards the place ahead, perpendicular fixedly connected with backing pin II 19 on the end medial surface in horizontal section II 18 towards the place ahead, vertical section II 17 length is than the size that I14 length of vertical section has one more heparin tube 52 external diameter, the position department that is close to one side of vertical section I14 on the linkage segment 13 is provided with the pin pivot 40 and is articulated with

stand

2 or 3 outer walls of heparin tube box, the pin pivot 40 is in on the symmetry central plane of heparin tube box 3 on vertical direction.

The upper end of the blood collection tube box 3 can be covered by a rectangular end cover, so that the blood collection tube 52 inside can be protected to a certain extent. There is pin 4 in the hinged panel department of threaded rod 42 lower extreme certain distance blood sampling pipe box 3 through pin pivot 40, pin 4 has two vertical sections and two horizontal sections respectively, wherein vertical section I14 and the integrative fixed perpendicular connection of horizontal section I15, vertical section II 17 and the integrative fixed perpendicular connection of horizontal section II 18, and horizontal section I15 and horizontal section II 18 are the horizontal segment, and the orientation is the fore-and-aft direction, perpendicular fixedly connected with backing pin I16 on the end department medial surface in the place ahead of horizontal section I15 orientation, the perpendicular fixedly connected with backing pin II 19 of the II 18 front end medial surfaces of horizontal section. The two stop pins have a certain length. Pass through the integrative fixed connection of linkage segment 13 in vertical section I14 and vertical section II 17 upper end, pin pivot 40 sets up in one side that linkage segment 13 is close to vertical section I14 for when pin 4 used pin pivot 40 to rotate as the rotation axis, II 19 swing radiuses of backing pin were greater than I16 swing radiuses of backing pin, and II 17 length of vertical section is than the about size of a heparin tube 52 external diameter that is longer of I14 length of vertical section simultaneously. A stop pin groove 20 with a certain length is formed on the side wall of the lower section of the blood collection tube box 3 corresponding to the stop pin I16 along the vertical direction, and blood collection tubes 52 in the blood collection tube box 3 at the height are arranged in a vertical single row. The stop pin I16 can enter the interior of the lancet magazine 3 through the stop pin slot 20 during the pivoting process.

The stop pin II 19 is positioned below the blood collection tube box 3 on the circular arc swinging path, and cannot interfere with the blood collection tube box 3. And pin shaft 40 is in the symmetry plane of blood sampling pipe box 3 on vertical direction, again because pin shaft 40 is close to vertical section I14 one side for vertical section I14 is when being in vertical state, horizontal section I15 is less with the lateral wall interval of blood sampling pipe box 3, and the backing pin I16 is in the horizontality this moment, and backing pin I16 passes backing pin groove 20 and stretches into to the inside certain length of blood sampling pipe box 3, plays horizontal fender position effect to inside blood sampling pipe 52 that is in vertical single-row range, prevents to descend the landing. When vertical section II 17 is in vertical state, horizontal section II 18 is great with 3 lateral walls of blood collection tube box intervals, and this moment the stop pin II 19 is in 3 lower extreme below positions of blood collection tube box and is in the horizontality, and II 19 front end extension lengths of stop pin do not exceed 3 inner walls of blood collection tube box for this state stop pin II 19 can not play a fender position effect to the whereabouts of the inside blood collection tube 52 of blood collection tube box 3.

Preferably, the rotary power member is a motor 46; the cam rotating shaft of the jacking cam 5 is positioned right below the stop lever rotating shaft 40; when the shoring cam 5 rotates, only the transverse section I15 is jacked up and does not contact with the transverse section II 18.

The front end face of the upright post 2 at a certain distance below the stop lever rotating shaft 40 is hinged with a shoring cam 5, the cam rotating shaft of the shoring cam 5 extends to the rear side of the upright post 2 and is coaxially and fixedly connected with a motor 46, and the motor 46 is positioned and fixed on the upright post 2. The shoring cam 5 is positioned inside the vertical section I14 and the vertical section II 17 of the stop lever 4. When shoring cam 5 rotates, when shoring cam 5 one side rotates to I14 directions in vertical section, can be with I14 jack-up in vertical section to the state of inclining to the outside, slope to the inboard is followed in step to II 17 in vertical section, and I16 outside circular arc of backing pin swings to withdrawing from inside the blood sampling tube box 3 this moment, and II 19 inside circular arc of backing pin swings to under the port under blood sampling tube box 3, plays to keeping off a position the inside blood sampling tube 52 of blood sampling tube box 3 port and act on. Because the cam rotating shaft of the shoring cam 5 is located under the stop lever rotating shaft 40, the cam rotating shaft of the shoring cam 5 is close to the I14 vertical section in position and far away from the II 17 vertical section, so that the shoring cam 5 only jacks up the I14 vertical section of the stop lever 4 when rotating and cannot contact with the II 17 vertical section.

Preferably, the slideway support column 6 comprises a cross-shaped vertical support section and a cross-shaped horizontal support section, an equalizing plate 7 is hinged between the upper ends of the two vertical support sections, and a directional slideway 8 is respectively arranged between the two end parts of the two horizontal support sections; the equipartition plate 7 includes: a sliding plate 47, an even distribution clapboard 48 and an edge baffle 49; an equally-dividing partition plate 48 is vertically arranged in the middle of the sliding plate 47 along the front-back direction, side baffles 49 are vertically arranged at the front end edge and the back end edge of the sliding plate 47, the length of the sliding plate 47 along the axial direction is longer than that of a blood sampling tube 52, and the width of the sliding plate 47 is more than twice of the outer diameter of the blood sampling tube 52; the uniform distribution plate 7 has a natural inclination angle without external force.

The base of department under the blood sampling pipe box 3 upwards is fixed with slide support column 6, the vertical support section of slide support column 6 is longer, lean on upper segment both sides an organic whole to be fixed with the vertically horizontal support section at vertical support section, the horizontal support end extends to a certain length to both sides, the vertical support section is served at the horizontal support and is vertically upwards extended a certain length, be provided with two sets of slide support columns 6 in the front and back side, two sets of slide support columns 6 set up respectively in the front and back end outside of blood sampling pipe box 3. Articulated between the vertical support section upper end of two sets of slide support columns 6 have the equipartition board 7, the equipartition board 7 is good at heparin tube 52 length equally along axial length, the slide 47 of equipartition board 7 has the heparin tube 52 external diameter that the width is greater than 2 times, the intermediate position of slide 47 is provided with equipartition baffle 48 along fore-and-aft direction perpendicular to slide 47 direction on equipartition board 7, equipartition baffle 48 can play the fender position effect to heparin tube 52, the end limit department is provided with limit board 49 perpendicularly around equipartition board 7. Directional slide 8 of fixedly connected with respectively at the horizontal support section both ends of slide support column 6, directional slide 8 keeps off the frame way for vertical rectangle, and directional slide 8's width slightly is greater than heparin tube 52 external diameter, can make heparin tube 52 list drop. The flange height of 8 inboard sides of directional slide is less than the flange height in the outside, and directional slide 8 is greater than the length of dividing board 7 equally along the length of fore-and-aft direction, and when dividing board 7 equally and not having the exogenic action, divide board 7 equally and can be askew angle naturally, make the terminal edge of dividing board 7 left and right sides equally and take on 8 inboard flange upper ends of directional slide of its corresponding side for divide board 7 equally and can keep quiescent condition.

When the equipartition plate 7 is inclined to the right side, the right side end edge can be put on the upper end of the left flange of the right directional slide way 8, at the moment, due to the relation of the angle of the equipartition plate 7, the area of the sliding plate 47 on the left side of the partition plate 48 is just opposite to the lower port of most of the blood collection tube boxes 3, so that the blood collection tubes 52 falling from the lower port of the blood collection tube boxes 3 fall on the left half part of the equipartition plate 7, at the moment, under the gravity balance weight of the blood collection tubes 52, the equipartition plate 7 rotates to incline to the left side, and finally the left end edge of the equipartition plate 7 is put on the upper end of the right flange of the left directional slide way 8, and the blood collection tubes 52 on the left half part of the equipartition plate 7. Similarly, when the plate 7 is tilted to the left, the left end edge can be placed at the upper end of the right baffle of the left directional slide way 8, the area of the sliding plate 47 at the right side of the partition plate 48 is just opposite to the lower port of most of the blood collection tube boxes 3, the blood collection tubes 52 falling from the lower ports of the blood collection tube boxes 3 are placed at the right half part of the plate 7, so that the plate 7 starts to tilt to the right under the influence of the counter weight of the blood collection tubes 52, and the left end edge of the plate 7 is placed at the upper end of the right baffle of the left directional slide way 8, so that the blood collection tubes 52 fall into the right directional slide way 8. The interval formula is equallyd divide when being convenient for to take a blood sample to more people, and two medical personnel use this device to go out the union coupling blood sampling simultaneously.

Preferably, the section of the sliding hook 10 is J-shaped, the hinge cylinder 9 is connected to the J-shaped upper end of the sliding hook 10, the lower end of the sliding hook 10 is designed to be a semicircular hook with a circular wall, the circular arc radian of the semicircular hook is 1/2 of a full circle, the diameter of the inner wall of the semicircular hook is matched with the outer diameter of the tube wall of the blood collection tube 52, the circular wall is arranged at the upper end of the sliding hook 10, and the circular arc radian of the circular wall at the upper end is 1/3 of the full circular radian.

Fixedly connected with articulated piece 53 on stand 2, the terminal surface left and right sides hinges respectively and is connected with an articulated cylinder 9 before articulated piece 53, and the front end an organic whole of articulated cylinder 9 is fixed with slip hook 10, and two slip hooks 10 are just to directional slide 8 under about, can fall to inside the slip hook 10 from the inside landing of directional slide 8 when heparin tube 52. Slip hook 10 has certain thickness, and the similar J type in slip hook 10 cross-section, articulated cylinder 9 is connected in the J type upper end of slip hook 10, and the lower extreme design of slip hook 10 has the semicircle hook of circular wall, and the circular arc radian of semicircle hook is about the 1/2 of full circle, and the inner wall diameter of semicircle hook coincide with blood sampling tube 52 pipe wall external diameter for can perfectly laminate in the semicircle inner wall department of semicircle hook when the semicircle hook department of blood sampling tube 52 landing to slip hook 10 lower extreme. The upper end of the slide hook 10 is also provided with an arc wall, and the arc radian of the upper end arc wall is about 1/3 full radian.

Preferably, a planar sliding plate is arranged between the upper arc wall and the lower semicircular hook of the sliding hook 10, a plurality of groups of through grooves 50 running from top to bottom are formed in the sliding plate along the front-back direction, a plurality of blocking strips 51 are uniformly distributed at the hook tail of the lower semicircular hook of the sliding hook 10 along the front-back direction, and the blocking strips 51 are parallel to the through grooves 50.

Set up to planar sliding plate through tangent line angle between slip hook 10 upper end circular wall and the lower extreme semicircle hook, the sliding plate has certain length and opens the logical groove 50 that link up about having a plurality of groups of trend about along the fore-and-aft direction on the sliding plate face, it has certain width to lead to groove 50, lead to groove 50 and can make heparin tube 52 can reduce the area of contact of slip hook 10 surface to heparin tube 52 when the lower extreme landing on slip hook 10, can not appear the too big unable landing of frictional force when making heparin tube 52 landing. The arc wall at the upper end of the sliding hook 10 and the hinged cylinder 9 at the rear side are coaxially fixed into a whole, so that when the hinged cylinder 9 rotates, the rotating shaft of the hinged cylinder is the axis of the arc wall at the upper end of the sliding hook 10, the arc wall at the upper end of the sliding hook 10 can be driven to rotate coaxially, and the axis of the arc wall is exactly vertically corresponding to the port at the lower end of the directional slide way 8. The front end of the slide hook 10 extends to the front end of the directional slide way 8, when the slide hook 10 is in a first state, the angle of the circular arc wall at the upper end of the slide hook 10 is avoided from the lower port of the directional slide way 8, so that the blood collection tube 52 in the directional slide way 8 can fall to the circular arc wall position at the upper end of the slide hook 10 through the lower port, because the slide hook 10 in a first state has an inclination angle of 5-20 degrees downwards, the blood collection tube 52 can fall to the circular arc wall position at the upper end of the slide hook 10 and then slide downwards along the slide hook 10, and finally slide to the semicircular hook position at the lower end of the slide hook 10, because the blood collection tube 52 has a certain weight, in the sliding process, the gravity center of the load on the slide hook 10 slides from the upper end to the lower end, so that the slide hook 10 swings downwards to the inclination angle of 65-80 degrees, and the slide hook 10.

In the process of downward swinging of the slide hook 10, the arc wall at the upper end of the slide hook 10 simultaneously rotates by taking the axis thereof as the rotation center line, so that the lower port of the directional slide way 8 is shielded in the rotating process, and the blood sampling tube 52 in the directional slide way 8 is prevented from falling from the lower port. The hook tail department at the semicircular hook of slide hook 10 lower extreme is provided with a plurality of blend stops 51 along fore-and-aft direction evenly distributed, this technical scheme adopts three group blend stops 51, blend stop 51 is parallel with the dull and stereotyped section of slide hook 10, and there is slight perk in the front end section of blend stop 51 to be convenient for can not influence the landing of heparin tube 52 on slide hook 10, blend stop 51's effect is that speed appears getting rid of the condition of taking off greatly in the dull and stereotyped section or the semicircular hook section of slide hook 10 when playing to heparin tube 52 and preventing the landing.

The outer side surfaces of the circumferences of the left and right hinged cylinders 9 are respectively extended with a tension spring flap 11, the tension spring flap 11 is connected with a tension spring 12, the other end of the tension spring 12 is connected with the outer side position of the hinged block 53 at the same side, and the tension spring 12 has the elastic pullback effect on the sliding hook 10. Under the action of the tension spring 12, when the slide hook 10 is not weighted by the blood collection tube 52, the slide hook 10 is in an angle position inclined downward by 5-20 degrees in the first state. When the blood collection tube 52 is arranged on the slide hook 10 to increase the weight, the slide hook 10 rotates downward, and finally the blood collection tube 52 slides down to the inside of the semicircular hook, the slide hook 10 is in an angle position of being inclined downward by 65-80 degrees in the second state, and at this time, the arc wall structure at the upper end of the slide hook 10 plays a role of blocking the lower port of the directional slide way 8, so that the blood collection tube 52 in the directional slide way 8 cannot fall down. Slide hook 10 is always in state two degrees before the medical staff takes out blood collection tube 52 from the lower part of slide hook 10. At this time, when the medical staff takes up the blood sampling tube 52 from the slide hook 10, due to the reduction in weight of the slide hook 10, the slide hook 10 finally returns to the state i in which the slide hook 10 is inclined downward by 5 to 20 degrees under the pull-back action of the tension spring 12, and at this time, the circular arc wall at the upper end of the slide hook 10 rotates to the state of not shielding the lower port of the directional slide way 8, and the blood sampling tube 52 can fall from the inside of the directional slide way 8.

When a large number of people need to take blood, two medical care personnel use the device to take blood through a tube, a blood collection tube 52 which needs to be used in advance is placed in the blood collection tube box 3 in the forward direction before use, the L-type handle 44 is rotated to drive the threaded rod 42 to rotate, under the connection effect of the threaded sleeve 41, the threaded rod 42 moves axially to adjust the distance between the clamping plate 39 and the front plate of the blood collection tube box 3, so that the arrays of the blood collection tubes 52 in the blood collection tube box 3 in the front-back direction are neat, no deflection occurs, the motor 46 is opened, the motor 46 rotates to drive the top bracing cam 5 to rotate, the vertical section I14 of the stop lever 4 is jacked outwards every circle of the top bracing cam 5, and the stop lever 4 returns to the vertical state after being deflected to the left side by a certain.

During the continuous rotation of the shoring cam 5, the stop lever 4 performs a cyclic and reciprocating deflection and resetting. Go on once deflecting to the at utmost from vertical state to left at pin 4, then reset to the in-process of vertical state, stop pin I16 penetrates to the interior of blood sampling tube box 3 through stop pin groove 20 during vertical state, has played the effect that keeps off the position and prevent the whereabouts to blood sampling tube 52 inside blood sampling tube box 3, and stop pin II 19 is in the lower port outside of blood sampling tube box 3 this moment. Stop lever 4 is in deflecting furthest's back leftwards, stop pin I16 synchronous rotation withdraws from blood sampling tube box 3 and no longer plays and keeps off the position effect, stop pin II 19 deflects and keeps off the position to blood sampling tube 52 under blood sampling tube box 3, because stop pin II 19 apart from the position of stop pin I16 lower blood sampling tube 52 external diameter in height for when stop pin II 19 keeps off the position to blood sampling tube 52, the inside single blood sampling tube 52 of blood sampling tube box 3 port has translated the position of a blood sampling tube 52 downwards, is kept off the position of a blood sampling tube 52 of the blood sampling tube 52 whereabouts of a preceding fender pin I16 fender position after by stop pin II 19.

When the stop lever 4 is reset to the vertical state again, the stop pin i 16 is inserted into the blood collection tube box 3 again to stop one blood collection tube 52 above the blood collection tube 52, the blood collection tube 52 previously stopped by the stop pin ii 19 is retracted to the outer side of the lower port of the blood collection tube box 3 due to the stop pin ii 19, so that the blood collection tube 52 previously stopped by the stop pin ii 19 is in the non-stop state, the blood collection tube 52 thus falls onto the averaging plate 7, and the blood collection tube 52 above the blood collection tube 52 is stopped by the stop pin i 16 at this time. According to the above structure operation, one blood collection tube 52 falls from the lower port of the blood collection tube box 3 every time the top supporting cam 5 rotates for one circle, and the blood collection tubes 52 in the blood collection tube box 3 can be controlled one by one to fall in sequence by the above design.

Blood sampling tube 52 from the inside whereabouts of blood sampling tube box 3 controls the whereabouts in proper order and equally divides on board 7, equally divides board 7 to receive the upper and lower circulation of counter weight left and right sides to go on crooked for blood sampling tube 52 can be adjacent interval formula to left and right sides directional slide 8 landing, has guaranteed that two routes can all supply a blood sampling tube 52 at every interval, and the condition that one blood sampling tube 52 supplyes excessively and another blood sampling tube 52 supplyes inadequately in two routes can not appear. When the blood collection tube 52 inside the directional slide way 8 falls to the upper end arc wall of the slide hook 10, the slide hook 10 starts to rotate due to the balance weight of the blood collection tube 52 on the slide hook 10, at the moment that the blood collection tube 52 on the arc wall of the slide hook 10 is about to slide down, the arc wall of the slide hook 10 rotates to the position right below the passing port of the blood collection tube 52, the lower port of the directional slide way 8 is limited, the blocking strip 51 plays a role in blocking the blood collection tube 52 on the outer side of the slide hook 10 to prevent the blood collection tube 52 from being thrown off, finally, the slide hook 10 can be suspended at a position inclined downward by 65-80 degrees, and the blood collection tube 52 inside the slide hook 10 is located at the semicircular hook position. At this time, the arc wall structure at the upper end of the slide hook 10 functions as a stopper for the lower port of the directional slide 8, so that the blood collection tube 52 inside the directional slide 8 cannot fall down. Slide hook 10 is always in state two degrees before the medical staff takes out blood collection tube 52 from the lower part of slide hook 10. When the medical staff takes away the blood sampling tube 52 at the semicircular hook position, the sliding hook 10 swings upwards under the restoring action of the tension spring 12, when the sliding hook swings to the first state position, the circular arc wall at the upper end of the sliding hook 10 rotates to be kept away from the lower end of the lower port of the blood sampling tube box 3, the blood sampling tube 52 at the lowest end inside the lower port of the blood sampling tube box 3 falls to the circular arc wall of the sliding hook 10, and then the operation is repeatedly circulated.

The invention has the innovative technical points and the beneficial effects that:

1. this device adopts the cooperation elasticity slip hook 10 structure of blood collection tube box 3 of similar funnel formula to realize that blood collection tube 52 is from the exit tube, and can reach the effect that the back was taken to the front tube and manage out, has guaranteed that medical personnel can not have the blood collection tube 52 of unnecessary waiting to take a blood sample scattered to place on table surface when gathering small batch volume blood, can not have the great blood collection tube 52 fixing base of area to occupy too much table surface when taking big batch volume blood. Can effectually prevent that heparin tube 52 from rolling because of circumstances such as mistake bumps and dropping to the ground, both can cause heparin tube 52's pollution, have very big possibility to cause the cracked very big potential safety hazard that has of heparin tube 52 again. Simultaneously because the same blood sampling tube 52 type that will use need be placed in blood sampling tube box 3 inside in advance, avoided medical personnel to take the condition of taking different grade type blood sampling tube 52 by mistake when taking the piece together of blood sampling tube 52 fixing base when taking the pipe in the blood sampling process.

2. According to the invention, the tube outlet device adopts a vertical structure, the blood sampling tubes 52 and the adjacent blood sampling tubes 52 are horizontally and tightly stacked in the blood sampling tube box 3, the increase or decrease of the number of the blood sampling tubes 52 only affects the stacking height of the blood sampling tubes 52, the occupied area of a workbench cannot be increased, and the number of the blood sampling tubes 52 is increased to be only a small part of the occupied work table of medical personnel. Can not arrange in proper order like traditional 52 fixing bases of heparin tube 52 that heparin tube 52 is vertical to be the rectangle dot matrix, the fixed quantity of heparin tube 52 has direct relation with the area occupied of 52 fixing bases of heparin tube, area occupied is big more, medical personnel will be less for usable operating area on table surface, seriously influence medical personnel's blood sampling convenience, still cause medical personnel's arm activity not to open the mistake and bump and cause the 52 fixing bases of heparin tube to drop easily to cause the potential safety hazard.

3. The blood sampling tube box 3 of exit tube device funnel formula cooperates with the pin 4 of 5 driven shoring cams, and two pins of pin 4 are inserted mutually the intermittent type and are kept off the position, can realize in the real sense that port only falls a pipe at every turn under the blood sampling tube box 3, and shoring cams 5 rotate a week and can make blood sampling tube box 3 port fall down a blood sampling tube 52 down. The speed of each time the blood sampling tube box 3 is discharged can be realized by controlling the rotating speed of the top supporting cam 5. Can carry out the low tube to medical personnel's speed control rotational speed, it is very convenient.

4. The equipartition plate 7 that sets up in blood collection tube box 3 below cooperates directional slide 8, inclines about the natural counter weight alternating of blood collection tube 52 through the whereabouts, and the directional slide 8 of side can alternate low tube about guaranteeing, can increase into two pipe orifices through equipartition plate 7 and directional slide 8 original one pipe orifice down for medical staff who takes a blood sample when taking a blood sample in batches can increase to two, and two people get a tub mutually noninterfere. The blood sampling speed is greatly increased, the blood sampling efficiency is improved, the two medical personnel are guaranteed to be independent and separated from each other in the operation tube taking process, and the situation that two people snatch the same blood sampling tube 52 can not occur.

5. The circular arc wall that slide hook 10 upper end set up and rotatory articulated shaft are coaxial with the circular arc wall, the whole circular arc radian of circular arc wall 1/3 can guarantee that slide hook 10 can release a heparin tube 52 of whereabouts with the port under the directional slide 8 when swinging to state one, the circular arc wall of slide hook 10 rotates again to the effect of sheltering from the shutoff to port under the directional slide 8 from slide hook 10 in the whole stage of state two in the twinkling of an eye of heparin tube 52 landing simultaneously, avoid causing medical personnel to appear the phenomenon that the multitube landing before getting the pipe to heparin tube 52 in slide hook 10. The extension spring 12 connected on the cooperation slide hook 10 makes the slide hook 10 have the effect that the elasticity returns to state one after taking out the heparin tube 52 of semicircle hook position department to comprehensive assurance blood sampling tube 52 inside the heparin tube box 3 is for taking away the operation process who uses one then automatic release roll-off one. The condition that medical personnel are in disorder of hands and feet is avoided, the flow is standardized, the operation is optimized, and the potential safety hazard is greatly reduced.

6. The internal clamping plate 39 of the blood collection tube box 3 is hinged with a threaded rod 42 which is connected with a thread sleeve 41 on the rear wall of the blood collection tube box 3, and the L-shaped handle 44 can be used for adjusting the distance between the clamping plate 39 and the front wall of the blood collection tube box 3, so that the blood collection tubes 52 with different specifications and lengths can be flexibly adjusted in the box, and the universality of the device is improved.

7. All be provided with on the inner wall of the 3 left and right sides of blood sampling tube box from last sand grip 45 to protruding type down, it is big to have avoided appearing with the regional more frictional force of inner wall laminating to fill up blood sampling tube 52, lead to blood sampling tube 52 to appear blocking the condition of fixed unable whereabouts, and both sides all hold in the palm through sand grip 45 and fill up blood sampling tube 52 and can effectually play the effect of balanced support to blood sampling tube 52, simultaneously because blood sampling tube 52 holds up the unable blood sampling tube box 3 inner walls of touching of blood sampling tube 52 pipe cap outer peripheral face that the external diameter is great after, can guarantee throughout that the orientation of blood sampling tube 52 can not take place crooked, finally guaranteed that blood sampling tube 52 can realize falling in proper order can not appear the.

8. The blood sampling tubes 52 which are disordered in the initial large batch of head-tail orientation in a disordered way are arranged in the same direction in a head-tail direction mode, the top plate 29 is lifted, the jacking of the middle of the blood sampling tubes 52 is performed, the gravity sides are different, the independent direction division is performed, the blood sampling tubes 52 with the ends facing left slide down to the left side, and the blood sampling tubes 52 with the ends facing right slide down to the right side. The aim of screening is achieved by the natural weight of the blood collection tube 52. Novel in design, convenient and fast has high stability simultaneously.

9. The sliding panel 22 arranged from head to tail on two sides of the slot 31 can play a role in uniformly summing up the divided blood sampling tubes 52, and plays a great convenient role in collecting the blood samples backwards.

10. The top plate 29 is lifted and descended, the two thread pushing blocks are axially pushed in the opposite direction or in the opposite direction under the action of the two-way thread screw rod 24, the lifting and descending of the top plate 29 are controlled through the wedge mechanism, the top plate groove 38 has the guiding effect on the top plate 29, and the stability of the top plate 29 in the lifting process is ensured.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an automatic exit tube of blood sampling special type and automatic branching unit which characterized in that includes: the blood sampling device comprises a bottom plate, a stand column, a blood sampling tube box, a stop lever structure, a top support cam, a rotary power piece, a slideway support column, a uniform distribution plate, a directional slideway, a hinged cylinder, a sliding hook, a tension spring flap and a tension spring;

the stand column is arranged on the bottom plate, the blood collection tube box is arranged on the stand column, the blood collection tube box is of a funnel shape with a wide upper part and a narrow lower part, and the narrow lower part of the blood collection tube box only allows a single blood collection tube to pass through; the pin structure includes: the blood sampling tube box comprises a connecting section, a vertical section I, a transverse section I, a stop pin I, a vertical section II, a transverse section II and a stop pin II, wherein the vertical section I and the vertical section II are connected through the connecting section;

when the top support cam rotates, the stop pin I is controlled to switch between the positions of passing through the stop pin groove to shift a blood collection tube in the blood collection tube box and extending out of the stop pin groove, and the stop pin II is controlled to switch between the positions of keeping away from the lower port of the blood collection tube box and extending into the lower port of the blood collection tube box to shift the blood collection tube; the top supporting cam rotates for a circle, and the blood collection tube box only falls down a single blood collection tube under the action of the intermittent gear of the stop lever structure;

the number of the slide way supporting columns is two, the two slide way supporting columns are arranged on the bottom plate, the uniform distribution plate is hinged between the upper ends of the two slide way supporting columns, and the directional slide ways are respectively arranged between the two sides of the two slide way supporting columns; the blood collection tubes which sequentially fall from the lower port of the blood collection tube box fall into the uniform distribution plate, the uniform distribution plate sequentially inclines left and right under the balance weight of the blood collection tubes, and the blood collection tubes are uniformly distributed into the two directional slide ways on the left side and the right side;

the two hinge cylinders are symmetrically hinged on the upright post, the upper end and the lower end of the sliding hook are both arc walls, the upper arc wall of the sliding hook is connected with the hinge cylinders, and the tension spring flaps are arranged on the hinge cylinders; one end of the tension spring is connected with the tension spring flap, and the other end of the tension spring is connected with the upright post; the upper arc walls of the two slide hooks are respectively positioned at the lower parts of the two directional slide ways; the heparin tube of whereabouts in the directional slide landing in proper order extremely last circular wall, dull and stereotyped slide, the lower circular wall of sliding hook, the sliding hook is rotatory under the counter weight of heparin tube makes the last circular wall of sliding hook is right heparin tube in the directional slide keeps off the position to take away the back at the heparin tube and carry out elastic recovery through the extension spring.

2. The automatic outlet tube and automatic branching device special for blood collection according to claim 1, wherein the device further comprises a structure for head-to-tail branching of blood collection tubes, and the structure for head-to-tail branching of blood collection tubes comprises: the device comprises a shell, a sliding panel, a top plate shell, a bidirectional threaded screw rod, a knob, a threaded propelling block I, a threaded propelling block II, a wedge groove block and a top plate;

the casing is provided with a pre-placing groove position and an end-to-end directional groove position which are connected, the pre-placing groove position and the end-to-end directional groove position are provided with step surfaces at the middle positions of the groove positions, an inlet plate for limiting the position to pass through a single blood sampling tube is arranged between the pre-placing groove position and the end-to-end directional groove position, the end edge positions of the left side and the right side of the groove positions are hinged with a restriction plate along the front-to-back direction, the end edge positions of the left side and the right side of the groove positions are respectively provided with a downward inclined sliding panel, and three end edge positions outside the sliding panel are respectively provided;

the top plate shell is arranged in the shell and is positioned at the lower part of the head-tail direction slot position, the two-way thread screw rod, the thread propulsion block I, the thread propulsion block II, the wedge slot block and the top plate are arranged in the top plate shell, one end of the two-way thread screw rod extends out of the shell and is connected with the knob, the positive and negative thread sections of the two-way thread screw rod are respectively in threaded sleeve joint with the thread propulsion block I and the thread propulsion block II, guide pins are respectively arranged on the thread propulsion block I and the thread propulsion block II, guide slots moving along the front and back direction are correspondingly arranged at two sides of the top plate shell, the guide pins are slidably arranged in the guide slots, the wedge slot blocks are respectively arranged at the upper ends of the thread propulsion block I and the thread propulsion block II, and inclined wedge slots which incline upwards are arranged on the opposite inner side surfaces of the two wedge slot blocks, the step surface is provided with a top plate groove along the front-back direction, and the top plate is guided in the two wedge grooves to move up and down in the top plate groove.

3. The special automatic outlet pipe and automatic direction-changing device for blood collection according to claim 2, wherein the top plate is divided into two parts, wherein one part at the upper part is a top support section, and the other part at the lower part is a wedge section; the length of the top bracing section is matched with that of the top plate groove in the front-back direction, the upper end of the top bracing section is an end edge with a circular arc structure in cross section, the length of the front-back direction of the wedge section is smaller than that of the top bracing section, the length of the wedge section is linearly shortened from top to bottom, the slopes of the end edges of the front side and the back side of the wedge section are matched with that of the wedge groove in the wedge groove block, and the width of the wedge groove is matched with that of the top plate.

4. The special automatic outlet tube and automatic direction device for blood sampling according to claim 1, wherein the device further comprises: the clamping plate, the threaded sleeve, the threaded rod, the hinge sleeve and the handle; the clamping plate is arranged in the blood collection tube box in a sliding mode, the hinge sleeve is arranged on the clamping plate, and the threaded sleeve is arranged on the outer wall of the blood collection tube box; the threaded rod is sleeved on the threaded sleeve in a threaded manner, one end of the threaded rod is connected with the handle, and the other end of the threaded rod is hinged with the hinged sleeve.

5. The automatic outlet tube and automatic direction device for blood collection according to claim 1, wherein the inner wall of the space for containing blood collection tubes of the blood collection tube box is provided with a plurality of convex strips which are uniformly arranged along the front-back direction of the blood collection tube box and have semicircular cross sections from top to bottom.

6. The special automatic outlet tube and automatic direction device for blood sampling according to claim 1, the vertical section I and the transverse section I are integrally and fixedly and vertically connected, the vertical section II and the transverse section II are integrally and fixedly and vertically connected, the transverse section I and the transverse section II are horizontal sections, the inner side surface of the end part of the transverse section I facing the front is vertically and fixedly connected with the stop pin I, the inner side surface of the end of the transverse section II facing the front is vertically and fixedly connected with the stop pin II, the length of the vertical section II is larger than that of the vertical section I by one blood sampling tube outer diameter, a stop lever rotating shaft is arranged at a position, close to one side of the vertical section I, on the connecting section and hinged with the stand column or the outer wall of the blood sampling tube box, and the stop lever rotating shaft is located on the symmetrical center plane of the blood sampling tube box in the vertical direction.

7. The special automatic outlet pipe and automatic branching device for blood collection according to claim 6, wherein the rotary power member is a motor; the cam rotating shaft of the jacking cam is positioned right below the stop lever rotating shaft; when the shoring cam rotates, the shoring cam only jacks up the transverse section I and cannot be in contact with the transverse section II.

8. The special automatic blood sampling outlet pipe and automatic direction-dividing device according to claim 1, wherein the slideway support column comprises a cross-shaped vertical support section and a cross-shaped horizontal support section, the uniform distribution plate is hinged between the upper ends of the two vertical support sections, and the directional slideways are respectively arranged between the two end parts of the two horizontal support sections; the equipartition plate comprises: the sliding plate, the equal division partition plate and the side baffle plate; the middle position of the sliding plate is vertically provided with the equal division partition plate along the front and back directions, the front end edge and the back end edge of the sliding plate are vertically provided with the edge baffle plate, the axial length of the sliding plate is longer than the length of the blood sampling tube, and the width of the sliding plate is more than two times of the outer diameter of the blood sampling tube; the equal-division plate is in a natural skew angle without external force.

9. The automatic exit tube of special type of taking a blood sample and automatic branch device of claim 1, characterized in that, the slip hook cross-section is the J type, articulated cylinder connect in the J type upper end of slip hook, the lower extreme design of slip hook is the semicircle hook of circular wall, and the circular arc radian of semicircle hook is full 1/2, and the inner wall diameter of semicircle hook and heparin tube wall external diameter coincide, the upper end of slip hook is provided with the circular wall, and the circular arc radian of upper end circular wall is the full radian of 1/3.

10. The special automatic outlet pipe and automatic direction-changing device for blood collection according to claim 9, wherein a planar sliding plate is arranged between the upper arc wall and the lower semicircular hook of the sliding hook, the sliding plate is provided with a plurality of groups of through grooves running from top to bottom in the left-right direction along the front-back direction, a plurality of blocking strips are uniformly distributed at the hook tail of the lower semicircular hook of the sliding hook along the front-back direction, and the blocking strips are parallel to the through grooves.