Mechanical structure for judging direction of test tube
By using the mechanical structure of limit components and micro switches, the problem of test tube orientation determination relying on barcodes and being easily affected by the environment is solved, achieving simple and accurate test tube orientation determination and anti-cap removal effect.
Patent Information
- Application Number
- CN202520768508.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-22
AI Technical Summary
Existing methods for determining test tube orientation rely on barcodes, which are susceptible to environmental influences, have scanning blind spots, and are complex in structure and difficult to manufacture, leading to inaccurate determination and easy detachment of tube caps.
The mechanical structure employs a combination of a limiting component and a micro switch. The limiting component restricts the movement of the test tube along its length, while the micro switch triggers and determines the direction of the test tube, preventing the cap from falling off. The structure is simple and easy to manufacture.
It achieves highly accurate test tube orientation determination, prevents tube caps from falling off, simplifies the manufacturing process, and improves the reliability of the determination method.
Smart Images
Figure CN223955616U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field, concretely is a kind of mechanical structure for determining test tube direction. BACKGROUND
[0002] Test tube is transported to other department from equipment by pipeline, and the direction of test tube in collection basket or other instrument of inspection department is not strictly required, so the direction of these test tubes is not necessarily determined. Therefore, the direction of test tube needs to be determined in the process of transporting test tube. At present, although there are many ways to determine the direction of test tube, most of them rely on visual sensing, image analysis or infrared sensor, etc. Such determination methods have problems of relying on bar code, existing scanning dead angle, being greatly affected by environment, being easily disturbed, and the structure is also relatively complex and difficult to manufacture. UTILITY MODEL CONTENT
[0003] (One) technical problem solved
[0004] In view of the deficiencies of the prior art, the utility model provides a kind of mechanical structure for determining test tube direction, with the advantages of simple structure, easy to manufacture, simple and correct determination method and preventing cap from falling off, solves the problems of relying on bar code, existing scanning dead angle, being greatly affected by environment, being easily disturbed in most determination methods at present, and the structure is also relatively complex and difficult to manufacture.
[0005] (Two) technical scheme
[0006] To realize the above-mentioned simple structure, easy to manufacture, simple and correct determination method and prevent cap from falling off, the utility model provides the following technical scheme: a kind of mechanical structure for determining test tube direction, including base, limit piece is arranged on the base, the limit piece is used to limit that test tube can only move along the length direction of test tube, one end of the limit piece is provided with microswitch, one end of the limit piece is provided with push head, the push head is used to push test tube to move in limit piece, the tail of the test tube triggers microswitch to determine the direction of test tube.
[0007] Preferably, the limit piece is long cover shape with two open ends, and the opening at one end of the limit piece is larger and gradually smaller towards the other end.
[0008] Preferably, microswitch is arranged on the base at the smaller opening end of the limit piece, and spring strip is arranged on the microswitch, and the spring strip is blocked at the smaller opening end of the limit piece.
[0009] Preferably, the opening size at the smaller opening end of the limit piece is smaller than the size of test tube cap.
[0010] Preferably, push head is arranged outside the larger opening end of the limit piece, and the push head is used to push test tube into the limit piece from the larger opening end of the limit piece.
[0011] Preferably, when the push head pushes the test tube cap outward and the test tube tail inward into the limiting piece, the test tube tail will pass through the smaller opening end of the limiting piece and touch the elastic strip on the micro switch.
[0012] Preferably, when the push head pushes the test tube cap outward and the test tube tail inward into the limiting piece, the test tube cap will be limited in the smaller opening end of the limiting piece.
[0013] Preferably, the micro switch is further provided with a reversing piece.
[0014] (Three) beneficial effects
[0015] Compared with the prior art, the utility model provides a kind of mechanical structure for determining test tube direction, with the following beneficial effects:
[0016] The mechanical structure for determining test tube direction is used by mutual cooperation of each component.When the direction of test tube needs to be determined, the push head will push the test tube into the limiting piece along its length direction, and the test tube can only move along its length direction in the limiting piece due to the special shape of the limiting piece.When the push head pushes the test tube cap outward and the test tube tail inward into the limiting piece, the test tube tail will pass through the smaller opening end of the limiting piece and touch the elastic strip on the micro switch, which triggers the micro switch to determine the direction of test tube;When the push head pushes the test tube cap outward and the test tube tail inward into the limiting piece, the test tube cap will be limited in the smaller opening end of the limiting piece, so it will not touch the elastic strip of the micro switch, and the micro switch will not be triggered, so the direction of test tube is determined.In addition, the test tube can only move forward and backward during the process of pushing into the test tube, which can better protect the cap and prevent it from falling off, thereby achieving the effects of simple structure, easy to make, simple and correct determination method and preventing the cap from falling off. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is a structural schematic diagram of the mechanical structure for determining test tube direction of the utility model;
[0018] Fig. 2 It is an internal structural schematic diagram of the mechanical structure for determining test tube direction of the utility model;
[0019] Fig. 3 It is a structural schematic diagram of test tube triggering micro switch of the mechanical structure for determining test tube direction of the utility model.
[0020] In the figure: 1, reversing piece; 2, micro switch; 3, test tube; 4, limiting piece; 5, push head; 6, base; 7, elastic strip. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0022] Please refer to Figs. 1-3 A kind of judging test tube 3 direction mechanical structure, including base 6, base 6 provides support and fixed base for entire mechanical structure, bearing limiting piece 4, micro switch 2 and other components.
[0023] Limiting piece 4 is arranged on base 6, limiting piece 4 is used to constrain the movement track of test tube 3, only allows test tube 3 to move along the length direction of itself, limits its displacement in other directions (such as left and right, up and down). Guarantee the stability and controllability of test tube 3 in the moving process, so that the determination process can be orderly. Only let test tube 3 move in a specific direction, the direction can be accurately determined by the interaction of it and micro switch 2. At the same time, limit the excess movement of test tube 3, can prevent the cap from falling off and other accidents caused by shaking
[0024] One end of limiting piece 4 is provided with micro switch 2, when test tube 3 moves in limiting piece 4, the tail of test tube 3 triggers micro switch 2 to determine the direction of test tube 3, micro switch 2 as detection and signal triggering device, perceives the touch action of the tail of test tube 3, and converts it into electrical signal, by whether being touched by the tail of test tube 3, different signal states are fed back to external control system, so as to help the system to determine the direction of test tube 3.
[0025] Limiting piece 4 is long cover shape with both ends open, one end of limiting piece 4 is larger and gradually smaller to the other end, limiting piece 4 forms a containing space when push head 5 pushes test tube 3, limits test tube 3 in it, guides test tube 3 to move in a specific direction, long cover shape can constrain test tube 3 from multiple directions, ensure that test tube 3 does not deviate from the set path during the moving process, can only move along the internal space of limiting piece 4, which provides basic conditions for accurately determining the direction of test tube 3. The shape of one end being larger and gradually smaller to the other end cooperates with the shape characteristics of the cap and tail of test tube 3, to ensure that test tube 3 can enter, but only the tail of test tube 3 will trigger micro switch 2, and the cap of test tube 3 will be limited in limiting piece 4 and will not trigger micro switch 2.
[0026] A micro switch 2 is arranged on the base 6 at the smaller opening end of the limiting member 4, and a spring strip 7 is arranged on the micro switch 2, which is blocked at the smaller opening end of the limiting member 4. When the tail of the test tube 3 passes through the smaller opening end of the limiting member 4 and touches it, a quick response can be made to generate an electrical signal change, which can be captured by the connected circuit or control system to determine the direction of the test tube 3.
[0027] The opening size of the smaller opening end of the limiting member 4 is smaller than the size of the cap of the test tube 3. When the push head 5 pushes the tail of the test tube 3 outward and the cap inward into the limiting member 4, the cap of the test tube 3 will be limited in the smaller opening end of the limiting member 4 because the opening size of the smaller opening end of the limiting member 4 is smaller than the size of the cap of the test tube 3, so the cap cannot touch the spring strip 7 of the micro switch 2, and the micro switch 2 will not be triggered, indicating the direction of the test tube 3.
[0028] The larger opening end of the limiting member 4 is externally provided with a push head 5, which is used to push the test tube 3 into the limiting member 4 from the larger opening end of the limiting member 4.
[0029] When the push head 5 pushes the tail of the test tube 3 outward and the cap inward into the limiting member 4, the tail of the test tube 3 will pass through the smaller opening end of the limiting member 4 and touch the spring strip 7 on the micro switch 2. When the push head 5 pushes the tail of the test tube 3 outward and the cap inward into the limiting member 4, the cap of the test tube 3 will be limited in the smaller opening end of the limiting member 4. The direction of the test tube 3 is determined by whether the micro switch 2 is triggered, and then the test tube 3 with the correct direction is transported, and the test tube 3 with the wrong direction is transported after being reversed.
[0030] The micro switch 2 is also provided with a reversing member 1, which reverses the direction of the misaligned test tube 3.
[0031] Working principle: When the direction of the test tube 3 needs to be determined, the push head 5 will push the test tube 3 into the limiting member 4 along its length direction. Due to the special shape of the limiting member 4, the test tube 3 can only move along its length direction in the limiting member 4. When the push head 5 pushes the tail of the test tube 3 outward and the cap inward into the limiting member 4, the tail of the test tube 3 will pass through the smaller opening end of the limiting member 4 and touch the spring strip 7 on the micro switch 2, which triggers the micro switch 2 to determine the direction of the test tube 3. When the push head 5 pushes the tail of the test tube 3 outward and the cap inward into the limiting member 4, the cap of the test tube 3 will be limited in the smaller opening end of the limiting member 4, so it will not touch the spring strip 7 of the micro switch 2, and the micro switch 2 will not be triggered, which determines the direction of the test tube 3. In addition, the test tube 3 is limited by the limiting member 4 from moving left and right, up and down, and can only move forward and backward during the pushing process, which can better protect the cap and prevent it from falling off. Thus, the structure is simple, the manufacturing is easy, the determination method is simple and correct, and the cap is prevented from falling off.
[0032] It has to be noted that, in the present document, the terms "first", "second", etc. merely serve to identify different entities or actions and do not necessarily require or imply any actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without further constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0033] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A mechanical structure for determining the orientation of a test tube, characterized in that: The application relates to a test tube limiting device, which comprises a base (6) provided with a limiting piece (4) for limiting the movement of a test tube (3) along the length direction of the test tube (3), one end of the limiting piece (4) is provided with a micro switch (2), and one end of the limiting piece (4) is provided with a push head (5) for pushing the test tube (3) to move in the limiting piece (4), and the tail of the test tube (3) touches the micro switch (2) to determine the direction of the test tube (3).
2. The mechanical structure for determining the direction of a test tube according to claim 1, characterized in that: The limiting piece (4) is in the shape of a long cover with both ends being open, one end of the limiting piece (4) is larger and gradually becomes smaller towards the other end.
3. The mechanical structure for determining the direction of a test tube according to claim 1, wherein: The base (6) at the smaller opening end of the limiting piece (4) is provided with the micro switch (2), the micro switch (2) is provided with a spring strip (7), and the spring strip (7) is blocked at the smaller opening end of the limiting piece (4).
4. The mechanical structure for determining the direction of a test tube according to claim 1, wherein: The opening size of the smaller opening end of the limiting piece (4) is smaller than the size of the cap of the test tube (3).
5. The mechanical structure for determining the direction of a test tube according to claim 1, wherein: The outer part of the larger opening end of the limiting piece (4) is provided with the push head (5) for pushing the test tube (3) into the limiting piece (4) from the larger opening end of the limiting piece (4).
6. The mechanical structure for determining the direction of a test tube according to claim 1, characterized in that: When the push head (5) pushes the cap of the test tube (3) towards the outside and the tail of the test tube (3) towards the inside into the limiting piece (4), the tail of the test tube (3) will pass through the smaller opening end of the limiting piece (4) and touch the spring strip (7) on the micro switch (2).
7. The mechanical structure for determining the direction of a test tube according to claim 1, characterized in that: When the push head (5) pushes the tail of the test tube (3) towards the outside and the cap of the test tube (3) towards the inside into the limiting piece (4), the cap of the test tube (3) will be limited in the smaller opening end of the limiting piece (4).
8. The mechanical structure for determining the direction of a test tube according to claim 1, wherein: The micro switch (2) is further provided with a reversing piece (1).