CN214894437U

CN214894437U - Mixing device of hematology analyzer

Info

Publication number: CN214894437U
Application number: CN202120578119.2U
Authority: CN
Inventors: 管学丰
Original assignee: Tianjin Dean Medical Laboratory Co Ltd
Current assignee: Tianjin Dean Medical Laboratory Co Ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-26
Anticipated expiration: 2031-03-22

Abstract

The utility model relates to a mixing device for a blood cell analyzer, comprising a base and a blood collection tube clamping mechanism, two brackets are fixed on the base, and at least two blood collection tube clamps distributed up and down are arranged between the two brackets The blood collection tube clamping mechanism includes a placing frame and a pressing cover, the placing frame is rotatably connected with the two brackets, and two ends of the top of the placing frame are respectively provided with rectangular holes. By arranging a plurality of blood collection tube clamping mechanisms between the two brackets, the utility model can clamp more blood collection tubes, so that the plurality of blood collection tubes can be mixed at the same time, the degree of automation is high, and manual mixing is not required. The labor intensity is reduced, and the mixing is more uniform.

Description

Mixing device of hematology analyzer

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to mixing device of hematology analyzer.

Background

In the former clinic, blood samples of patients are usually collected by a blood collection tube for inspection. Because cells in blood have the characteristic of easy agglutination, after the blood sample is placed for a period of time, the blood sample can naturally settle and delaminate, so that the blood sample cannot be used, and therefore, an anticoagulant needs to be added into a blood collection tube and is timely and evenly inverted before the blood sample is clinically collected, so that adverse phenomena such as blood coagulation and hemolysis of the blood sample in the blood collection tube are prevented.

Carry out blood sample mixing among the prior art and use hand shake even more, use hand shake even waste time and energy, owing to can not the same hard, make the not abundant misce bene of blood sample moreover, the mixed effect is poor, consequently needs a device that can make a plurality of heparin tube mixing automatically.

SUMMERY OF THE UTILITY MODEL

For solving the problem that prior art exists, the utility model provides a mixing device of hematology analyzer.

In order to achieve the above object, the utility model adopts the following technical scheme:

a blending device of a hematology analyzer comprises a base and blood sampling tube clamping mechanisms, wherein two supports are fixed on the base, at least two blood sampling tube clamping mechanisms which are vertically distributed are arranged between the two supports, each blood sampling tube clamping mechanism comprises a placing frame and a pressing cover, the placing frame is rotatably connected with the two supports, rectangular holes are respectively arranged at two ends of the top of the placing frame, a plurality of placing grooves which are arranged at equal intervals are arranged at the top of the placing frame between the rectangular holes at the two ends, blood sampling tubes are placed in the placing grooves, the pressing covers are positioned above the placing frames, pressing grooves which can enable the top ends of the blood sampling tubes to extend into the bottom ends of the pressing covers are arranged at the bottom ends of the pressing covers, connecting rods are fixed at positions corresponding to the rectangular holes, rectangular blocks which can penetrate through the rectangular holes are rotatably connected at the bottom ends of the connecting rods, and the length of the rectangular blocks is larger than the width of the rectangular holes, the rectangular block penetrates through the rectangular hole and is clamped at the bottom end of the placing frame so that the pressing cover presses the blood collection tube on the placing frame, and the blood collection tube clamping mechanism is driven to rotate by the chain conveying mechanism.

Preferably in any one of the above schemes, the bottom both ends that compress tightly the lid are equipped with the through-hole with the position that the rectangular hole corresponds, the connecting rod runs through the through-hole, be equipped with a plurality of equidistant vertical distribution's screw blind hole on a lateral wall of connecting rod, compress tightly and be equipped with the screw hole with adjacent through-hole intercommunication on the lateral wall of lid both ends, the threaded hole internal connection screw, the screw stretches into in the through-hole and is connected so that the connecting rod is fixed with compressing tightly the lid with screw blind hole.

In any of the above schemes, preferably, the side walls at the two ends of the placing rack are respectively fixed with a rotating shaft, the rotating shafts are rotatably connected with the adjacent supports, one of the rotating shafts penetrates through the supports and fixes two first chain wheels, and the first chain wheels connected on the two adjacent placing racks are in rotary transmission through a first chain.

In any of the above schemes, preferably, the chain transmission mechanism includes a motor and a second sprocket, the motor is fixed on the base, the second sprocket is fixed on the output shaft of the motor, and the second sprocket is connected with a corresponding first sprocket on the adjacent rack through a second chain.

Preferably in any one of the above schemes, a limit block is fixed on the side wall of the bracket on one side of each placing rack, the limit block is connected with a limit post in a threaded manner, the limit post penetrates through the limit block, a jack is arranged on the rotating shaft below the limit post, and when the bottom end of the limit post is inserted into the jack, the opening of the placing groove on the placing rack faces upwards.

In any of the above schemes, preferably, the first rubber pad is fixed at the bottom in the placing groove, and the second rubber pad is fixed on the top wall in the pressing groove.

Preferably in any one of the above schemes, the third rubber pad is fixed at the top end of the rectangular block, and when the rectangular block is clamped at the bottom of the placing frame, the third rubber pad is attached to the bottom wall of the placing frame.

Compared with the prior art, the utility model provides a pair of mixing device of hematology analyzer has following beneficial effect:

1. the blood collection tube clamping mechanisms are arranged between the two brackets, so that more blood collection tubes can be clamped, the blood collection tubes can be uniformly mixed at the same time, the automation degree is high, manual and uniform mixing is not needed, the labor intensity is reduced, and the uniform mixing is more uniform; the rack is provided with a plurality of placing grooves for placing the blood sampling tubes, and the blood sampling tubes are uniformly pressed and fixed by the pressing cover, so that the blood sampling tubes can be prevented from falling off the rack in the rotating process, the safety of the blood sampling tubes is ensured, and the pressing cover and the rack are convenient to mount and dismount and simple to operate;

2. through set up a plurality of screw thread blind holes on the connecting rod, make the screw and the screw thread blind hole connection of different positions adjust the rectangular block and compress tightly the distance between the lid to the messenger compresses tightly the lid and can compress tightly the heparin tube of co-altitude not, and application scope is wider.

Drawings

Fig. 1 is a schematic overall structure diagram of a preferred embodiment of a mixing device of a blood cell analyzer according to the present invention;

fig. 2 is a top view of the rack of fig. 1.

The figures are labeled as follows: 1. a base; 2. a support; 3. placing a rack; 4. a rectangular block; 5. a connecting rod; 6. a rotating shaft; 7. a screw; 8. a blood collection tube; 9. a first chain; 10. a first sprocket; 11. a motor; 12. a second chain; 13. a second sprocket; 14. a first rubber pad; 15. a placement groove; 16. a rectangular hole; 17. a limiting column; 18. a jack; 19. and a limiting block.

Detailed Description

In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.

As shown in FIGS. 1-2, an embodiment of a mixing device of a hematology analyzer according to the present invention comprises a base 1 and a blood sampling tube holding mechanism, wherein two supports 2 are fixed on the base 1, at least two blood sampling tube holding mechanisms are arranged between the two supports 2 and distributed vertically, the blood sampling tube holding mechanism comprises a placing frame 3 and a pressing cover, the placing frame 3 is rotatably connected with the two supports 2, the pressing cover is mounted on the placing frame 3, rectangular holes 16 are respectively arranged at two ends of the top of the placing frame 3, a plurality of placing grooves 15 are arranged at equal intervals on the top of the placing frame 3 between the rectangular holes 16 at two ends, blood sampling tubes 8 are placed in the placing grooves 15, the pressing cover is positioned above the placing frame 3, a pressing groove capable of extending the top end of the blood sampling tubes 8 is arranged at the bottom end of the pressing cover, and a position fixing connecting rod 5 corresponding to the rectangular holes 16, the bottom of connecting rod 5 is rotated and is connected rectangular block 4 that can follow the interior passage of rectangular hole 16, rectangular block 4's length is greater than the width of rectangular hole 16, rectangular block 4 passes the card in rectangular hole 16 so that compress tightly the lid and compress tightly blood sampling tube 8 on rack 3 in order to make from the bottom of rack 3, blood sampling tube fixture is rotatory by chain transport mechanism drive.

Through set up a plurality of heparin tube fixture between two supports 2, can the centre gripping more heparin tubes 8, make a plurality of heparin tubes 8 carry out the mixing simultaneously, and convey through first sprocket 10 and first chain 9 between two adjacent rack 3, can be through taking off first chain 9 not control one of them rack 3 irrotational with first sprocket 10 cooperation, be convenient for like this take the heparin tubes 8 from this rack 3, and do not influence the mixing of heparin tubes 8 on other rack 3, set up a plurality of standing grooves 15 that are used for placing heparin tubes 8 on rack 3, and unify and compress tightly fixedly by compressing tightly the lid, can prevent like this that heparin tubes 8 from dropping from rack 3 in rotatory process, guarantee heparin tube 8's security.

When compressing tightly the lid and being connected with rack 3, rectangular block 4 passes and relative connecting rod 5 is rotatory 90 in following rectangular hole 16, makes rectangular block 4 card in rack 3's bottom, can't pass in following rectangular hole 16, realizes compressing tightly being connected of lid and rack 3, and rectangular block 4 and rack 3 laminating guarantee to compress tightly the lid and compress tightly heparin tube 8.

The bottom both ends that compress tightly the lid are equipped with the through-hole with the position that rectangular hole 16 corresponds, connecting rod 5 runs through the through-hole, be equipped with a plurality of equidistant vertical distribution's screw blind hole on one side wall of connecting rod 5, it is equipped with the screw hole with adjacent through-hole intercommunication on the lateral wall of compressing tightly the lid both ends, screw hole internal connection screw 7, screw 7 stretches into in the through-hole and is connected so that connecting rod 5 with compress tightly the lid fixed with screw blind hole.

Through set up a plurality of screw thread blind holes on connecting rod 5, make screw 7 and the screw thread blind hole connection of different positions adjust rectangular block 4 and compress tightly the distance between the lid to the messenger compresses tightly the lid and can compress tightly heparin tube 8 of co-altitude not, and application scope is wider.

All fixed shaft 6 on the both ends lateral wall of rack 3, pivot 6 rotates with adjacent support 2 to be connected, and just one of them pivot 6 runs through support 2 and two fixed first sprockets 10, and the first sprocket 10 of connecting carries out rotary drive through first chain 9 on two adjacent racks 3.

The chain transmission mechanism comprises a motor 11 and a second chain wheel 13, the motor 11 is fixed on the base 1, the second chain wheel 13 is fixed on an output shaft of the motor 11, and the second chain wheel 13 is connected with a corresponding first chain wheel 10 on the adjacent placing rack 3 through a second chain 12.

Fixed stopper 19 on the 2 lateral walls of support of every rack 3 one side, threaded connection spacing post 17 on the stopper 19, spacing post 17 runs through stopper 19, be equipped with jack 18 on the pivot 6 of spacing post 17 below, when the bottom of spacing post 17 is inserted in jack 18, standing groove 15 on the rack 3 opens up. When taking the heparin tube 8 on the rack 3, through rotatory spacing post 17, spacing post 17 moves down, makes the bottom of spacing post 17 insert in jack 18, and it is spacing to carry out the countershaft 6, makes the vertical placing of heparin tube 8 on the rack 3, and the taking and placing of heparin tube 8 of being convenient for when needs make the rack 3 rotatory, rotatory spacing post 17 makes spacing post 17 break away from with pivot 6 to hinder the rotation of pivot 6.

The first rubber pad 14 is fixed at the bottom in the placing groove 15, and the second rubber pad is fixed on the top wall in the pressing groove.

The third rubber pad is fixed on the top end of the rectangular block 4, and when the rectangular block 4 is clamped at the bottom of the placing frame 3, the third rubber pad is attached to the bottom wall of the placing frame 3.

In this embodiment, the number of the first sprockets 10 arranged in the uppermost cartridge holding mechanism may be one, and the first sprockets 10 may be connected by the first chain 9 and may be used for transportation.

The working principle of the embodiment is as follows: the blood sampling tubes 8 are placed in the placing grooves 15 on the placing frames 3, after the placing, the rectangular blocks 4 on the pressing covers penetrate through the corresponding rectangular holes 16, meanwhile, the top ends of the blood sampling tubes 8 extend into the pressing grooves, so that the pressing covers press the blood sampling tubes 8, the rectangular blocks 4 are rotated by 90 degrees, the rectangular blocks 4 are clamped at the bottoms of the placing frames 3 and cannot penetrate through the rectangular holes 16, the pressing covers are connected with the placing frames 3, the blood sampling tubes 8 are fixed on the placing frames 3, after the blood sampling tubes 8 on the placing frames 3 are installed, the starting motors 11 drive the second chain wheels 13 to rotate, the adjacent first chain wheels 10 drive the corresponding placing frames 3 to rotate through the second chains 12, and the motors 11 can drive the placing frames 3 to rotate simultaneously, so that the blood in the blood sampling tubes 8 is uniformly mixed, when the blood sampling tubes 8 on the placing rack 3 need to be taken, the blood sampling tubes are sequentially taken from top to bottom according to the arrangement sequence of the placing rack 3, firstly, the motor 11 is stopped, then the first chain 9 driving the placing rack 3 at the top to rotate is taken down from the corresponding first chain wheel 10, at the moment, the placing rack 3 at the top cannot rotate, but the placing rack 3 below the placing rack 3 still can rotate under the driving of the motor 11, when the blood sampling tubes 8 are taken, the placing rack 3 at the bottom can be ensured to rotate continuously, the blood sampling tubes 8 which are not taken below are ensured to be always in a rotating state, the mixing effect is good, a plurality of placing racks 3 can be directly rotated and stopped simultaneously, various working modes are provided, the use is more convenient, when the blood sampling tubes 8 on the placing rack 3 need to be taken, the limiting column 17 is rotated, the limiting column 17 is moved downwards and inserted into the insertion hole 18, at this time, the placing groove 15 on the placing rack 3 faces upward, so that the blood collection tube 8 does not fall off from the placing rack 3 when the pressing cover is taken off.

It will be understood by those skilled in the art that any combination of the elements of the present invention, including the summary and detailed description of the invention provided in the foregoing description and illustrated in the accompanying drawings, is not to be considered limiting in scope and in order to make the description more concise, and not to describe every element of the combination. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mixing device of hematology analyzer which characterized in that: the blood collection tube clamping device comprises a base and a blood collection tube clamping mechanism, wherein two supports are fixed on the base, at least two blood collection tube clamping mechanisms which are vertically distributed are arranged between the two supports, each blood collection tube clamping mechanism comprises a placing frame and a pressing cover, the placing frame is rotatably connected with the two supports, rectangular holes are respectively arranged at two ends of the top of the placing frame, a plurality of placing grooves which are arranged at equal intervals are arranged at the top of the placing frame between the rectangular holes at two ends, blood collection tubes are placed in the placing grooves, the pressing cover is positioned above the placing frame, a pressing groove which can enable the top end of each blood collection tube to extend into is arranged at the bottom end of the pressing cover, a connecting rod is fixed at the position, corresponding to the rectangular holes, of the bottom end of the pressing cover, a rectangular block which can penetrate through the rectangular holes is rotatably connected with the bottom end of the connecting rod, the length of the rectangular block is larger than the width of the rectangular holes, and the rectangular block penetrates through the rectangular holes and is clamped at the bottom end of the placing frame so that the pressing cover presses the blood collection tubes on the placing frame, the blood collection tube clamping mechanism is driven to rotate by the chain conveying mechanism.

2. The mixing device of a blood cell analyzer according to claim 1, characterized in that: the bottom both ends that compress tightly the lid are equipped with the through-hole with the position that the rectangular hole corresponds, the connecting rod runs through the through-hole, be equipped with a plurality of equidistant vertical distribution's screw blind hole on one side wall of connecting rod, compress tightly and be equipped with the screw hole with adjacent through-hole intercommunication on the lateral wall of lid both ends, threaded hole internal connection screw, the screw stretches into in the through-hole with screw blind hole connection so that the connecting rod with compress tightly the lid fixed.

3. The mixing device of a blood cell analyzer according to claim 2, characterized in that: the rotary shafts are fixed on the side walls of the two ends of the placing rack and are connected with the adjacent supports in a rotating mode, one rotary shaft penetrates through the supports and fixes the two first chain wheels, and the first chain wheels connected to the two adjacent placing racks are in rotary transmission through the first chains.

4. The mixing device of a blood cell analyzer according to claim 3, characterized in that: the chain transmission mechanism comprises a motor and a second chain wheel, the motor is fixed on the base, the second chain wheel is fixed on an output shaft of the motor, and the second chain wheel is connected with a corresponding first chain wheel on the adjacent placing frame through a second chain.

5. The mixing device of a blood cell analyzer according to claim 3, characterized in that: the limiting block is fixed on the side wall of the support on one side of each placing rack, the limiting block is connected with the limiting columns in a threaded mode, the limiting columns penetrate through the limiting blocks, jacks are formed in the rotating shafts below the limiting columns, and when the bottoms of the limiting columns are inserted into the jacks, the openings of the placing grooves in the placing racks face upwards.

6. The mixing device of a blood cell analyzer according to claim 1, characterized in that: the bottom in the placing groove is fixed with a first rubber pad, and the top wall in the pressure groove is fixed with a second rubber pad.

7. The mixing device of a blood cell analyzer according to claim 1, characterized in that: the third rubber pad is fixed on the top end of the rectangular block, and when the rectangular block is clamped at the bottom of the placing rack, the third rubber pad is attached to the bottom wall of the placing rack.