CN220854901U - Test tube rotating mechanism and blood cell analyzer - Google Patents
Test tube rotating mechanism and blood cell analyzer Download PDFInfo
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- CN220854901U CN220854901U CN202322608316.6U CN202322608316U CN220854901U CN 220854901 U CN220854901 U CN 220854901U CN 202322608316 U CN202322608316 U CN 202322608316U CN 220854901 U CN220854901 U CN 220854901U
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- 210000000601 blood cell Anatomy 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000033001 locomotion Effects 0.000 claims description 11
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 239000000243 solution Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The embodiment of the utility model discloses a test tube rotating mechanism and a blood cell analyzer, wherein the mechanism is used for rotating a test tube in a test tube rack, a window for exposing a bar code on the side wall of the test tube is arranged on the test tube rack, the test tube rotating mechanism comprises a base, a screw motor and a rotating head, the screw motor comprises a screw body and a motor body, the motor body is arranged on the base, one end of the screw body is in transmission connection with the motor body, the other end of the screw motor is provided with the rotating head, the motor body can drive the screw body to drive the rotating head to rotate and lift, and in the process of the rotating head to rotate and descend, the rotating head can prop the test tube against the bottom wall of the test tube rack and can rotate to drive the test tube to expose the bar code on the side wall of the test tube rack from the window of the test tube rack, only a power source of the screw motor is used, the use of power source part is reduced, the occupation space of the test tube rotating mechanism is further reduced, the working stability of the test tube rotating mechanism is ensured, and the working stability of the blood cell analyzer is further ensured.
Description
Technical Field
The utility model relates to the technical field of rotating devices, in particular to a test tube rotating mechanism and a blood cell analyzer.
Background
In an automatic sample injection blood cell analyzer, in order to distinguish each test tube, a bar code is usually attached to the test tube, and a test tube bar code scanning device is configured in the blood cell analyzer to scan and identify the test tube bar codes one by one. However, the test tube is usually placed at will in the test tube rack, the surface of the test tube, which is attached with the bar code, is not necessarily faced with the test tube bar code scanning device, and the test tube bar code scanning device cannot scan under the condition that the bar code on the test tube is not faced with the test tube bar code scanning device. Thus, the prior art provides a tube rotation device that rotates a tube such that a bar code on the tube faces a tube bar code scanning device when the bar code of the tube does not face the tube bar code scanning device.
The power source of the existing test tube rotating device is usually a motor and an air cylinder, the test tube is clamped through the air cylinder, and then the motor drives the air cylinder to drive the test tube to rotate, so that a bar code on the test tube can face the test tube bar code scanning device, but the power source in the mode has more parts and occupies larger space.
Disclosure of utility model
The utility model aims to provide a test tube rotating mechanism and a blood cell analyzer, and aims to solve the technical problems that the existing test tube rotating device has more parts and occupies larger space.
In a first aspect, the utility model provides a test tube rotating mechanism, which is used for rotating a test tube in a test tube rack, wherein a window for exposing a bar code on the side wall of the test tube is arranged on the test tube rack, the test tube rotating mechanism comprises a base, a screw motor and a rotating head, the screw motor comprises a screw body and a motor body, the motor body is arranged on the base, one end of the screw body is in transmission connection with the motor body, the rotating head is arranged at the other end of the screw body, and the motor body can drive the screw body to drive the rotating head to rotate and lift;
In the process of the rotary head rotary descending movement, the rotary head can be used for propping the test tube against the bottom wall of the test tube rack and can rotate to drive the test tube to rotate so as to expose the bar code on the side wall of the test tube from the window of the test tube rack.
Preferably, the rotating head is movably connected to one side of the screw rod body, which is close to the test tube rack, and the test tube rotating mechanism further comprises a friction pad, wherein the friction pad is arranged at the end part of the rotating head and is used for increasing the friction force between the rotating head and the test tube.
Preferably, the friction pad is a rubber pad.
Preferably, the test tube rotating mechanism further comprises a sensing piece, wherein the sensing piece is arranged on the base and is used for sensing the position of the rotating head.
Preferably, the rotary head is provided with a positioning protrusion towards one side of the test tube rack, the friction pad is sleeved on the positioning protrusion, and the positioning protrusion protrudes out of the bottom surface of the friction pad, so that the positioning protrusion can be inserted into the groove at the top of the test tube.
Preferably, the test tube rotating mechanism further comprises an elastic piece, the rotating head is provided with a mounting groove, and the elastic piece is arranged in the mounting groove and elastically abuts between the screw rod body and the bottom wall of the mounting groove;
The screw rod body is close to the tip of rotating head is equipped with the cylindric lock, the rotating head still be equipped with the guide way that the mounting groove is linked together, the guide way is followed the extending direction of rotating head extends, the cylindric lock can slide in the guide way, the screw rod body drives the cylindric lock is rotatory, the cylindric lock rotation can support the push away the cell wall of guide way, so that the rotating head can rotate.
Preferably, the guide grooves are arranged in two and are oppositely arranged on the rotating head, and two sides of the cylindrical pin are respectively connected with the groove walls of the guide grooves in a sliding manner.
Preferably, the screw motor is a linear screw motor.
In a second aspect, the present utility model further provides a blood cell analyzer, where the blood cell analyzer includes a mounting frame, a barcode scanning mechanism, a test tube rack, and the test tube rotating mechanism according to any of the foregoing embodiments, where the barcode scanning mechanism, the test tube rack, and the test tube rotating mechanism are all disposed on the mounting frame, and the barcode scanning mechanism is configured to scan a barcode on the test tube through the window while the test tube rotating mechanism rotates the test tube, so that the barcode on the side wall of the test tube is exposed from the window of the test tube rack.
Preferably, the blood cell analyzer further comprises a driving member, wherein the driving member is in transmission connection with the test tube rack, so as to drive the test tube rack to move along a first direction, and each test tube in the test tube rack can be sequentially located in a working area of the test tube rotating machine.
The embodiment of the utility model has the following beneficial effects:
By adopting the test tube rotating mechanism and the blood cell analyzer, the motor body drives the screw rod body to drive the rotating head to do rotary lifting movement, the rotating head can prop the test tube on the bottom wall of the test tube rack in the rotary descending process and can rotate, the test tube can rotate by means of friction force between the test tube and the rotating head to serve as power, the test tube rotates at least one circle along with the rotating head, the bar code on the side wall of the test tube is exposed from the window in the process of rotating the test tube for one circle, at the moment, the bar code scanning mechanism can scan the bar code on the test tube through the window, only the power source of the screw rod motor is used, the use of power source parts is reduced, the occupied space of the test tube rotating mechanism is further reduced, the working stability of the test tube rotating mechanism is ensured, and the working stability of the blood cell analyzer is further ensured.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Wherein:
FIG. 1 is a schematic diagram of a blood cell analyzer in one embodiment.
Fig. 2 is a top view of the blood cell analyzer shown in fig. 1.
Fig. 3 is a cross-sectional view A-A of fig. 2.
FIG. 4 is a schematic view of a tube rotation mechanism of the blood cell analyzer of FIG. 1.
Fig. 5 is an exploded view of the tube rotation mechanism of fig. 4.
Fig. 6 is a side view of the tube rotation mechanism of fig. 4.
Reference numerals: 10. a test tube rack; 11. a test tube; 111. a groove; 12. a window; 13. a bottom wall; 100. a base; 110. a bracket; 200. a screw motor; 210. a screw rod body; 220. a motor body; 310. a rotating head; 311. a mounting groove; 312. a guide groove; 320. positioning the bulge; 400. a friction pad; 500. a sensing member; 600. an elastic member; 700. cylindrical pins.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The embodiment of the utility model provides a test tube rotating mechanism and a blood cell analyzer, wherein the test tube rotating mechanism is mainly used for rotating a test tube so that a bar code on the test tube faces a test tube bar code scanning device.
Referring to fig. 1 to 6, a test tube rotating mechanism of an embodiment is used for rotating a test tube 11 in a test tube rack 10, a window 12 for exposing a bar code on a side wall of the test tube 11 is provided on the test tube rack 10, the test tube rotating mechanism comprises a base 100, a screw motor 200 and a rotating head 310, the screw motor 200 comprises a screw body 210 and a motor body 220, the motor body 220 is mounted on the base 100, one end of the screw body 210 is in transmission connection with the motor body 220, the rotating head 310 is mounted at the other end, the motor body 220 can drive the screw body 210 to drive the rotating head 310 to rotate and lift so as to enable the rotating head 310 to approach or separate from the test tube 11, and the screw motor 200 is used as a power source of the whole mechanism for driving the rotating head 310 to drive the test tube 11 to rotate.
Specifically, during the process of the rotation and descending movement of the rotating head 310, the rotating head 310 can abut the test tube 11 against the bottom wall 13 of the test tube rack 10 and can rotate to drive the test tube 11 to rotate, so that the bar code on the side wall of the test tube 11 is exposed from the window 12 of the test tube rack 10.
It can be understood that the motor body 220 drives the screw rod body 210 to drive the rotating head 310 to perform a rotation lifting motion, the rotating head 310 can prop the test tube 11 on the bottom wall 13 of the test tube rack 10 in the rotation descending process, the rotating head 310 can rotate, whether the rotating head 310 completes a circle of rotation is controlled by the running time of the motor body 220 or the number of moving steps of the motor body 220, the test tube 11 depends on the friction force between the rotating head 310 and the rotating head 310 to serve as power, at least one circle of rotation follows the rotating head 310, the barcode on the side wall of the test tube 11 is exposed from the window 12 in the rotation circle process of the test tube 11, and at the moment, the barcode scanning mechanism can scan the barcode on the test tube 11 through the window 12, only the power source of the screw rod motor 200 is used, the use of power source parts is reduced, the occupation space of the test tube rotating mechanism is further reduced, and the working stability of the test tube rotating mechanism is ensured.
In an embodiment, please refer to fig. 1, 3 to 6, the rotating head 310 is movably connected to one side of the screw rod body 210 near the test tube rack 10, the test tube rotating mechanism further includes a friction pad 400, the friction pad 400 is mounted at an end of the rotating head 310 and is used for increasing a friction force between the rotating head 310 and the test tube 11, the test tube 11 uses the friction force between the friction pad 400 and the test tube 11 as a power, and the friction force between the rotating head 310 and the test tube 11 can be increased by the arrangement of the friction pad 400, so that the test tube 11 is driven to rotate better, and the test tube 11 cannot rotate due to the sliding between the test tube 11 and the rotating head 310 (transmission part).
Preferably, the friction pad 400 is a rubber pad, so that the test tube 11 can conveniently rotate along with the rotating head 310 for a circle by taking the friction force between the friction pad 400 and the test tube 11 as power, and in addition, the friction pad 400 can buffer the abutting force of the rotating head 310 to the test tube 11.
It should be noted that, the test tube 11 includes tube cap and body, and the tube cap is equipped with the internal thread, and the upper portion of body is equipped with the external screw thread for be threaded connection between tube cap and the body, when the screw thread of tube cap and body locking revolves to the rotation direction unanimity with rotating head 310, the rotating head 310 drives the tube through friction pad 400 and takes the rotation, but the rotation of tube cap rotation hold-in range body.
In an embodiment, referring to fig. 3 to 6, the test tube rotating mechanism further includes a sensing member 500, where the sensing member 500 is mounted on the base 100 through the bracket 110 and is used for sensing a position of the rotating head 310 and detecting and setting parts of the screw motor 200, and determining whether the rotating head 310 is reset to a designated position by sensing the position of the rotating head 310, where the designated position is an initial position where the screw motor 200 drives the rotating head 310 to start moving, and when the rotating head 310 is not reset to the initial position, the parts in the screw motor 200 need to be adjusted and set so that the screw motor 200 can drive the rotating head 310 to reset to the initial position.
When the motor body 220 rotates forward, the screw rod body 210 drives the rotating head 310 to move in a direction away from the test tube 11 until the rotating head is reset to the initial position, and when the motor body 220 rotates reversely, the screw rod body 210 drives the rotating head 310 to move in a direction close to the test tube 11 until the test tube 11 is driven to rotate for one circle.
In an embodiment, a positioning protrusion 320 is disposed on a side of the rotating head 310 facing the test tube rack 10, the friction pad 400 is sleeved on the positioning protrusion 320, and the positioning protrusion 320 protrudes from the bottom surface of the friction pad 400, so that the positioning protrusion 320 can be inserted into the top groove 111 of the test tube 11, and the positioning protrusion 320 can prevent the test tube 11 from moving and swinging laterally during rotation, so that the test tube 11 can stably and reliably move synchronously along with the friction pad 400.
In an embodiment, referring to fig. 4 to 6, the test tube rotating mechanism further includes an elastic member 600, the elastic member 600 is a spring, the rotating head 310 is provided with a mounting groove 311, the elastic member 600 is disposed in the mounting groove 311 and elastically abuts against between the screw rod body 210 and the bottom wall 13 of the mounting groove 311, and the arrangement of the elastic member 600 can buffer the rotating force of the screw rod motor 200 to the tube cover of the test tube 11 through the rotating head 310, so as to avoid the tube cover from being crushed.
The end that lead screw body 210 is close to rotating head 310 is equipped with cylindric lock 700, rotating head 310 still is equipped with the guide way 312 that is linked together with mounting groove 311, guide way 312 extends along rotating head 310's extending direction, cylindric lock 700 can slide downwards in guide way 312, can make elastic component 600 compressed, with buffering lead screw body 210 is through rotating head 310 for test tube 11's abutment force, avoid the tube cap to be crushed, lead screw body 210 drives cylindric lock 700 rotation, cylindric lock 700 rotation can support the cell wall of deriving to groove 312, in order to make rotating head 310 can rotate, and then make rotating head 310 can drive test tube 11 rotation, cylindric lock 700's setting has played rotating head 310's location and direction's effect, it can follow the synchronous motion of lead screw body 210 to have guaranteed rotating head 310.
Further, the cylindrical pin 700 slides in the guide slot 312 to drive the rotating head 310 to abut against the test tube 11 along the gravity direction, meanwhile, the cylindrical pin 700 can abut against the slot wall of the guide slot 312 to drive the rotating head 310 to do rotary motion, and the two partial motions compose the rotary descending motion of the rotating head 310 so as to realize that the rotating head 310 drives the test tube 11 to rotate, so that the bar code on the side wall of the test tube 11 is exposed from the window 12 of the test tube rack 10.
Furthermore, two guide grooves 312 are provided and are disposed on the rotating head 310, and two sides of the cylindrical pin 700 are slidably connected with the groove walls of the guide grooves 312, so as to ensure that the cylindrical pin 700 is more stably slidably disposed in the guide grooves 312 and more stably drives the rotating head 310 to rotate.
In this embodiment, the screw motor 200 is a linear screw motor, specifically, a through ball screw linear stepper motor with a model number of 6E2103 manufactured by dingzhi corporation.
Referring to fig. 1 to 6, the blood cell analyzer of an embodiment includes a mounting frame, a barcode scanning mechanism, a test tube rack 10, and a test tube rotating mechanism of any of the above embodiments, where the barcode scanning mechanism, the test tube rack 10, and the test tube rotating mechanism are all disposed on the mounting frame, and the barcode scanning mechanism can expose the barcode on the sidewall of the test tube 11 from the window 12 of the test tube rack 10 during the process of rotating the test tube 11, and the barcode scanning mechanism is used for scanning the barcode on the test tube 11 through the window 12.
It can be understood that the motor body 220 drives the screw rod body 210 to drive the rotating head 310 to perform a rotation lifting motion, the rotating head 310 can prop the test tube 11 against the bottom wall 13 of the test tube rack 10 in the spiral descending process, the test tube 11 can rotate by taking the friction force between the rotating head 310 and the rotating head 310 as power, the test tube 11 rotates at least one circle along with the rotating head 310, the bar code on the side wall of the test tube 11 is exposed from the window 12 in the process of rotating the test tube 11 for one circle, and at the moment, the bar code scanning mechanism can scan the bar code on the test tube 11 through the window 12, only the power source of the screw rod motor 200 is used, and the use of power source parts is reduced.
In an embodiment, the blood cell analyzer further includes a driving member, the driving member is in transmission connection with the test tube rack 10, so as to drive the test tube rack 10 to move along a first direction, so that each test tube 11 in the test tube rack 10 is sequentially located in a working area of the test tube 11 rotating machine, the first direction is a direction of X shown in fig. 3, each test tube 11 to be rotated can sequentially and automatically enter the working area of the test tube rotating mechanism by setting the driving member, a height distance between the rotating head 310 and the test tube 11 and the test tube rack 10 is a fixed value in an initial state, each test tube 11 can be sequentially driven to rotate by automatically repeating the same spiral lifting action each time through program control, and each test tube 11 can rapidly scan the bar code on the test tube 11 through each window 12 in the rotating process when the bar code on the side wall of each test tube 11 can be exposed from each window 12 of the test tube rack 10.
The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.
Claims (10)
1. The test tube rotating mechanism is used for rotating a test tube in a test tube rack, and is provided with a window for exposing a bar code on the side wall of the test tube;
In the process of the rotary head rotary descending movement, the rotary head can be used for propping the test tube against the bottom wall of the test tube rack and can rotate to drive the test tube to rotate so as to expose the bar code on the side wall of the test tube from the window of the test tube rack.
2. The test tube rotation mechanism according to claim 1, wherein the rotating head is movably connected to a side of the screw rod body, which is close to the test tube rack, and further comprises a friction pad mounted to an end of the rotating head and used for increasing friction between the rotating head and the test tube.
3. The cuvette rotation mechanism according to claim 2, wherein the friction pad is a rubber pad.
4. The tube rotation mechanism of claim 2, further comprising a sensing member disposed on the base for sensing the position of the rotator head.
5. The test tube rotating mechanism according to claim 2, wherein a positioning protrusion is arranged on one side of the rotating head, facing the test tube rack, the friction pad is sleeved on the positioning protrusion, and the positioning protrusion protrudes out of the bottom surface of the friction pad, so that the positioning protrusion can be inserted into a top groove of the test tube.
6. The test tube rotating mechanism according to claim 5, further comprising an elastic member, wherein the rotating head is provided with a mounting groove, and the elastic member is arranged in the mounting groove and elastically abuts between the screw rod body and the bottom wall of the mounting groove;
The screw rod body is close to the tip of rotating head is equipped with the cylindric lock, the rotating head still be equipped with the guide way that the mounting groove is linked together, the guide way is followed the extending direction of rotating head extends, the cylindric lock can slide in the guide way, the screw rod body drives the cylindric lock is rotatory, the cylindric lock rotation can support the push away the cell wall of guide way, so that the rotating head can rotate.
7. The test tube rotating mechanism according to claim 6, wherein two guide grooves are provided and are oppositely arranged on the rotating head, and two sides of the cylindrical pin are respectively in sliding connection with the groove walls of the guide grooves.
8. The cuvette rotation mechanism of claim 1, wherein the lead screw motor is a linear lead screw motor.
9. A blood cell analyzer comprising a mounting frame, a bar code scanning mechanism, a test tube rack, and the test tube rotation mechanism of any one of claims 1-8;
The bar code scanning mechanism, the test tube rack and the test tube rotating mechanism are all arranged on the mounting frame, the test tube rotating mechanism rotates the test tube, bar codes on the side walls of the test tube can be exposed from a window of the test tube rack, and the bar code scanning mechanism is used for scanning the bar codes on the test tube through the window.
10. The blood cell analyzer of claim 9, further comprising a drive member drivingly connected to the tube rack for driving the tube rack in a first direction to sequentially position each of the test tubes in the tube rack in a working area of the tube rotator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322608316.6U CN220854901U (en) | 2023-09-22 | 2023-09-22 | Test tube rotating mechanism and blood cell analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322608316.6U CN220854901U (en) | 2023-09-22 | 2023-09-22 | Test tube rotating mechanism and blood cell analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220854901U true CN220854901U (en) | 2024-04-26 |
Family
ID=90774508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322608316.6U Active CN220854901U (en) | 2023-09-22 | 2023-09-22 | Test tube rotating mechanism and blood cell analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220854901U (en) |
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2023
- 2023-09-22 CN CN202322608316.6U patent/CN220854901U/en active Active
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