Sample rack and test analyzer
By using interference-fit connecting columns and receiving parts on the sample holder, the high cost of ultrasonic welding connection method is solved, realizing a low-cost and easily adjustable sample holder structure design, which improves the degree of freedom and stability of use.
Patent Information
- Application Number
- CN202423320353.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The existing sample racks use ultrasonic welding to connect the cover plate and the main body of the sample rack, which is costly and makes it difficult to adjust the internal structure.
The use of interference fit connecting columns and housings allows the main frame and cover plate to be manually fastened together, reducing costs and increasing the degree of freedom of use. At the same time, pipe clamps and other structures can be installed as needed.
It reduces the cost of limit connection and the user operation threshold, improves the freedom of use and structural stability of sample holder, and avoids the need for ultrasonic welding.
Smart Images

Figure CN223901906U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to experimental appliance technical field, concretely relates to a sample holder and test analysis appearance. BACKGROUND
[0002] The sample holder is mainly used for the storage of sample tubes, can be used alone or as part of other test analysis instruments, and the currently mainly used sample holder structure includes a cover plate and a sample holder main body, and the two are connected by ultrasonic welding.
[0003] But such connecting mode needs ultrasonic welding process, and the cost is higher, and it is difficult to adjust the internal structure such as tube clamp after leaving factory. UTILITY MODEL CONTENTS
[0004] Therefore, the utility model provides a sample holder and test analysis appearance to solve the problems of high cost and difficult adjustment of the internal structure of the sample holder in the prior art.
[0005] In a first aspect, the utility model provides a sample holder, which comprises: a main holder body, which is internally provided with at least one vertically extending accommodating groove; at least one tube clamp, which is correspondingly and limitingly arranged in the accommodating groove and is suitable for clamping a sample tube; a cover plate, which is buckled on one side of the main holder body at the opening of the accommodating groove and is provided with a tube passing opening corresponding to the accommodating groove; and at least one connecting assembly, which comprises a connecting column and an accommodating part and is arranged on the opposite sides of the main holder body and the cover plate respectively, the main holder body and the cover plate are connected in interference, the connecting column is correspondingly arranged on one of the two, and the accommodating part is correspondingly arranged on the other one of the two.
[0006] Advantages:
[0007] The connecting column and the accommodating part arranged on the opposite sides of the main holder body and the cover plate can be connected in interference, so that the main holder body and the cover plate are limited in position while the cost of their limiting connection and the operation threshold of the user are reduced, the user can manually buckle to realize the connection without the need of ultrasonic welding device, the operation cost is reduced, and the user's freedom of use can be improved by determining whether to install a tube clamp and other cooperating structures in different accommodating grooves according to needs.
[0008] In an alternative embodiment, the connecting assembly and the accommodating groove are correspondingly and alternately spaced.
[0009] In an alternative embodiment, the sample holder further comprises: a clamping part arranged on the main holder body and arranged away from the accommodating groove and suitable for cooperating with an external anti-toppling structure.
[0010] Advantages:
[0011] By setting the clamping part, the sample rack can be connected with the external anti-toppling structure, so as to realize the structural stability of the sample rack under external force, and avoid toppling of the sample rack and loss of samples.
[0012] In an alternative embodiment, the clamping part is in the form of a groove and is arranged along the lateral opening of the main rack body, and the clamping part is adjacent to the bottom of the main rack body away from the opening of the accommodating groove.
[0013] In an alternative embodiment, the sample rack further comprises a detection part arranged on the main rack body and spaced apart from the accommodating groove and the clamping part, and in the form of a non-light-transmitting plate along the lateral direction of the main rack body, and adapted to trigger light coupling detection.
[0014] Advantages:
[0015] The detection part in the form of a non-light-transmitting plate along the lateral direction of the main rack body can preset a light coupling detection area on the sample rack, so that effective detection can be realized when the sample rack is subjected to light coupling detection, and false detection or mis-detection caused by detection of hole positions or groove positions on the main rack body can be avoided.
[0016] In an alternative embodiment, the detection part is adjacent to the bottom of the main rack body and is distributed on the same side of the main rack body as the clamping part and spaced apart from each other.
[0017] In an alternative embodiment, the sample rack further comprises a guide limiting part arranged on the main rack body and spaced apart from the detection part, the accommodating groove and the clamping part, and extending along the lateral direction of the main rack body, and adapted to guide and limit the connection of the external guide matching structure.
[0018] In an alternative embodiment, the guide limiting part is clamped between the detection part and the clamping part.
[0019] In an alternative embodiment, the sample rack further comprises a side window extending vertically and arranged on at least the main rack body and corresponding to the accommodating groove, and adapted to expose part of the sample tubes in the accommodating groove; and the side window and the clamping part are arranged on opposite sides of the main rack body.
[0020] In a second aspect, the utility model further provides a test analyzer comprising the above-mentioned sample rack. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0022] Figure 1 It is a structure explosion map of a sample rack of the present application embodiment.
[0023] Figure 2 It is Figure 1 It is a three-dimensional structure schematic diagram of the back side of the sample rack.
[0024] Explanation of reference signs:
[0025] 1, main rack body; 11, containing groove; 12, clamping part; 13, detection part; 2, pipe clamp; 3, cover plate; 31, pipe passing port; 4, connecting column; 5, containing part; 6, side window; 7, guide limiting part. Specific embodiments
[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0027] As Figures 1-2 The present embodiment provides a sample rack, which comprises a main rack body 1, at least one pipe clamp 2, a cover plate 3 and at least one connecting assembly.
[0028] The main rack body 1 is internally provided with at least one containing groove 11 extending in the vertical direction. The containing groove 11 is opened in the same direction, and in the present embodiment, the containing groove 11 is opened at the top of the main rack body 1. Preferably, the number of containing grooves 11 is provided to be multiple, each containing groove 11 is provided side by side, and is provided to be equal in depth. Understandably, the number of containing grooves 11 can also be one or two, and the containing grooves 11 can be provided to be staggered with each other, and the depth of each containing groove 11 can be adjusted as needed. In addition, the containing groove 11 extending in the vertical direction means that when the main rack body is placed on a horizontal installation surface, the connecting line direction of the groove opening and the groove bottom of the containing groove is the height direction.
[0029] The pipe clamp 2 is correspondingly and limitingly arranged in the accommodating groove 11, and is suitable for clamping the sample tube. Preferably, each accommodating groove 11 is provided with a pipe clamp 2. Understandably, the number of pipe clamps 2 can be less than the number of accommodating grooves 11. Some accommodating grooves 11 can not be provided with a pipe clamp 2. The pipe clamp 2 can be limitingly arranged in the accommodating groove 11 in the form of frictional limitation, clamping limitation, welding, adhesion, magnetic attraction or one-piece forming, etc.
[0030] The cover plate 3 is buckled on the main frame body 1 on the side of the opening of the accommodating groove 11, and is provided with a pipe passing opening 31 corresponding to the accommodating groove 11. The shape of the cover plate 3 is correspondingly arranged according to the structure of the top of the main frame body 1. In this embodiment, the cover plate 3 is in the form of a straight plate.
[0031] The connecting assembly includes a connecting column 4 and an accommodating part 5. The connecting column 4 and the accommodating part 5 are arranged on the opposite sides of the main frame body 1 and the cover plate 3, respectively. The main frame body 1 and the cover plate 3 are connected in interference. The connecting column 4 is correspondingly arranged on one of them, and the accommodating part 5 is correspondingly arranged on the other one. The accommodating part 5 can be a groove or a hole.
[0032] On the opposite sides of the main frame body 1 and the cover plate 3, the connecting column 4 and the accommodating part 5 which can be connected in interference are arranged, respectively. Thus, the main frame body 1 and the cover plate 3 are limited while reducing the cost of their limiting connection and the operation threshold of the user. The user can manually buckle to realize the connection without the need of ultrasonic welding device, thereby reducing the operation cost. Meanwhile, the user can determine whether to install the pipe clamp 2 and other cooperating structures in different accommodating grooves 11 according to the need, thereby improving the freedom of use of the user.
[0033] Preferably, the connecting assembly is correspondingly and alternately distributed with the accommodating grooves 11, thereby improving the stability of the overall limiting connection of the main frame body 1 and the cover plate 3 and ensuring the limiting effectiveness of the main frame body 1 and the cover plate 3 at the positions of the accommodating grooves 11. In addition, the connecting assembly can be arranged in single, two or multiple at the positions between the adjacent accommodating grooves 11 and outside the edge accommodating grooves 11.
[0034] The sample rack further includes a clamping part 12 which is arranged on the main frame body 1 and is arranged away from the accommodating groove 11, and is suitable for cooperating with the external anti-toppling structure. The specific shape of the clamping part 12 can be correspondingly arranged according to the external anti-toppling structure. By arranging the clamping part 12, the sample rack can cooperate with the external anti-toppling structure, thereby facilitating the structural stability of the sample rack when it is moved by external force and avoiding the toppling of the sample rack itself, thereby avoiding the loss of samples.
[0035] Preferably, the clamping part 12 is in the form of a groove and is opened along the lateral direction of the main frame body 1. The clamping part 12 is adjacent to the bottom of the main frame body 1 which is away from the opening of the accommodating groove 11. In this embodiment, as shown in the figure, the clamping part 12 is in the form of a groove and is opened along the lateral direction of the main frame body 1. Figure 2As shown, the lateral direction of the main rack body 1 is perpendicular to the rack plate surface direction of the main rack body 1. In this way, the clamping portion 12 can be matched with the external anti-toppling structure from the lateral direction or the bottom side direction of the main rack body 1, so as to avoid the anti-toppling structure from touching the sample tube on the opposite upper side of the main rack body 1 and causing damage or destruction and other problems. As a transformable embodiment, the clamping portion 12 can also be away from the bottom of the main rack body 1.
[0036] The sample rack also includes a detection portion 13 arranged on the main rack body 1 and avoiding the accommodation groove 11 and the clamping portion 12, and being in a non-light-transmitting plate shape along the lateral direction of the main rack body 1, and being suitable for triggering light coupling detection. The arrangement of the detection portion 13 in a non-light-transmitting plate shape along the lateral direction of the main rack body 1 can preset a light coupling detection area on the sample rack, so as to achieve effective detection when the sample rack is in the light coupling detection step, and avoid false detection or incorrect detection and other problems caused by detecting the hole or groove on the main rack body 1.
[0037] Preferably, the detection portion 13 is adjacent to the bottom of the main rack body 1 and is distributed on the same side of the main rack body 1 as the clamping portion 12 and is arranged to be spaced apart from each other. In this way, the detection portion 13 can be matched with the light coupling detection from the lateral direction or the bottom side direction of the main rack body 1, so as to avoid the light coupling detection process from affecting the sample quality in the sample tube. As a transformable embodiment, the detection portion 13 can also be distributed on different sides of the main rack body 1 as the clamping portion 12.
[0038] The sample rack also includes a guide limiting portion 7 arranged on the main rack body 1 and avoiding the detection portion 13, the accommodation groove 11 and the clamping portion 12, and being arranged to extend along the lateral direction of the main rack body 1, and being suitable for guiding and limiting the connection of the external guide matching structure, and the guide direction being the lateral direction of the main rack body 1. The structural form of the guide limiting portion 7 corresponds to the structural form of the external guide matching structure, and the two can be in the form of shaft hole cooperation, groove body sliding block cooperation and the like, and the guide limiting portion 7 can be a single guide hole, a single guide groove, a plurality of guide holes or a combination of guide holes and guide grooves. In the present embodiment, preferably, the guide limiting portion 7 includes a guide groove, which is a through groove with its groove body passing through the rack plate surface of the main rack body 1 at both ends.
[0039] In the present embodiment, the guide limiting portion 7 is correspondingly clamped between the detection portion 13 and the clamping portion 12. In this way, not only the space utilization efficiency is improved, but also the clamping portion 12 can be combined to achieve multi-point limiting connection with the external structure, thereby improving the stability of the sample rack installation. As a transformable embodiment, the positions of the guide limiting portion 7 and the detection portion 13, and the guide limiting portion 7 and the clamping portion 12 can be arranged to be exchanged with each other. In addition, the sample rack also includes a side window 6 extending in the vertical direction and arranged on the main rack body 1, and corresponding to the accommodation groove 11, and being suitable for exposing part of the sample tube in the accommodation groove 11. In the present embodiment, the width of the side window 6 is smaller than the outer diameter of the sample tube, so as to avoid the sample tube from being pulled out.
[0040] Further, the side windows 6 and the clamping portions 12 are arranged on opposite sides of the main frame 1, so that the exposed part of the sample tube is separated from the clamping portions 12 and the detection portions 13, and the anti-toppling structure and the light coupling detection do not affect or damage the sample tube.
[0041] Preferably, the side windows 6 are also arranged on the cover plate 3 and the tube clamp 2, and can be arranged on only one of the cover plate 3 and the tube clamp 2.
[0042] Further preferably, the tube clamp 2 is made of metal, and can be made of iron or an alloy of aluminum and the like.
[0043] In addition, the tube clamp 2 comprises an arc ring portion and a plurality of elastic legs. The arc ring portion is partially annular due to the arrangement of the side windows 6. When not arranged in the accommodating groove 11, the outer diameter of the arc ring portion is greater than the inner diameter of the accommodating groove 11. When arranged in the accommodating groove 11, the outer diameter of the arc ring portion is equal to the inner diameter of the accommodating groove 11. One end of the elastic leg is connected to the arc ring portion, and the other end extends towards the central axis of the arc ring portion. The plurality of elastic legs are claw-shaped and suitable for clamping and limiting the sample tube.
[0044] The tube clamp 2 is made of metal, which effectively improves the service life and reliability of the tube clamp 2 compared with plastic and the like.
[0045] In a second aspect, the utility model also provides a test analysis instrument, which is not limited to a test tube conveying device and a sample analysis instrument, and comprises the sample frame.
[0046] Although the embodiments of the utility model are described in combination with the drawings, those skilled in the art can make various modifications and changes without departing from the spirit and scope of the utility model, and such modifications and changes all fall within the scope defined by the appended claims.
Claims
1. A sample holder, characterized by, The utility model relates to a sample rack, including: Main frame body (1), built-in at least one along vertical extension containing groove (11), At least one pipe clamp (2) is correspondingly positioned in containing groove (11), is suitable for clamping sample tube, Cover plate (3) is buckled in containing groove (11) opening side of main frame body (1), and overpipe mouth (31) is set up on it correspondingly containing groove (11), At least one connecting assembly, including connecting column (4) and containing portion (5), respectively set up in the opposite side of main frame body (1) and cover plate (3), the interference connection of main frame body (1) and cover plate (3) two, connecting column (4) is correspondingly set up on one of them, containing portion (5) is correspondingly set up on the other one of them.
2. The sample holder of claim 1, wherein, Connecting assembly and containing groove (11) are correspondingly alternately spaced.
3. The sample holder of claim 1, wherein, Also including: Clamping portion (12) is set up on main frame body (1) and is positioned away from containing groove (11), is suitable for matching connection external anti-toppling structure.
4. The sample holder of claim 3, wherein, Clamping portion (12) is groovy and opens along the lateral direction of main frame body (1), and clamping portion (12) is adjacent to the bottom of main frame body (1) away from containing groove (11) opening.
5. The sample holder of claim 3 or 4, wherein, Also including: Detection portion (13) is set up on main frame body (1) and is positioned away from containing groove (11) and clamping portion (12), and is non-light-transmitting plate along the lateral direction of main frame body (1), suitable for triggering light coupling detection.
6. The sample holder of claim 5, wherein, Detection portion (13) is adjacent to the bottom of main frame body (1) and is distributed on the same side of main frame body (1) with clamping portion (12) and is spaced apart from each other.
7. The sample holder of claim 6, wherein, Also including: Guide limiting portion (7) is set up on main frame body (1) and is positioned away from detection portion (13), containing groove (11) and clamping portion (12), and is set up along the lateral direction of main frame body (1), suitable for guiding and limiting connection external guide matching structure.
8. The sample holder of claim 7, wherein, Guide limiting portion (7) is correspondingly clamped between detection portion (13) and clamping portion (12).
9. The sample holder of any one of claims 3-4, 6-8, wherein, Also including: Side window (6) extends vertically and is set up on main frame body (1) and is correspondingly set up on containing groove (11), suitable for exposing part of sample tube in containing groove (11), Side window (6) and clamping portion (12) are distributed on the opposite sides of main frame body (1).
10. A test analyzer characterized by, Including: The utility model relates to a sample rack, including: Sample rack according to any one of claims 1-9.