Sample rack bearing device and test analyzer

Abstract

The utility model relates to the technical field of experimental instruments, and provides a sample frame bearing device and a test analyzer. The sample frame is arranged on the supporting frame, and the supporting frame is suitable for bearing and limiting the sample frame; the first limiting unit comprises a first positioning piece and a positioning hole which are correspondingly matched for limiting, the first positioning piece is arranged on one of the sample frame and the supporting frame, and the positioning hole is formed in the other one of the sample frame and the supporting frame; the second limiting unit comprises a second positioning piece and a sleeve structure which are correspondingly matched for limiting, the second positioning piece is arranged on one of the sample frame and the supporting frame, and the sleeve structure is arranged on the other one of the sample frame and the supporting frame. By means of the arrangement, double positioning is achieved, the probability of positioning errors of a single positioning structure is reduced, meanwhile, compared with a positioning hole, the sleeve structure is relatively convenient and easy to install and align, coarse positioning can be achieved, the alignment difficulty of the first positioning piece and the positioning hole in the first limiting unit is reduced, and the problem of installation dislocation is further avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental appliance technical field, concretely relates to sample rack bearing device and test analysis appearance. BACKGROUND

[0002] The sample rack is mainly used for the storage of sample tubes and can be used alone or as part of other experimental devices. Currently, the sample rack is mainly positioned and fixed by connecting with an external structure through a pin.

[0003] However, the pin positioning method requires the pin to be inserted into the positioning hole on the sample rack during actual operation. Since the gap between the positioning hole and the pin is small, the pin may not be inserted into a certain positioning hole during insertion, resulting in the sample rack being unpositioned or only having single-sided pin positioning. In turn, the sample rack may be suspended in the air. If this is not discovered in time, the sample tubes may tilt and spill or fall when the sample rack cooperates with the external structure. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a sample rack bearing device and a test analysis appearance to solve the problem of the sample rack being easily mispositioned in the prior art, resulting in the sample rack being suspended in the air or the sample tilting and spilling.

[0005] In a first aspect, the utility model provides a sample rack bearing device, which comprises a support frame, a sample rack arranged on the support frame, the support frame being adapted to support and position the sample rack, a first positioning unit comprising a first positioning member and a positioning hole corresponding to the positioning member, the first positioning member being arranged on one of the sample rack and the support frame, and the positioning hole being arranged on the other one of the sample rack and the support frame, and a second positioning unit comprising a second positioning member and a sleeve structure corresponding to the positioning member, the second positioning member being arranged on one of the sample rack and the support frame, and the sleeve structure being arranged on the other one of the sample rack and the support frame.

[0006] Advantages:

[0007] By respectively arranging the first positioning unit and the second positioning unit on the sample rack and the support frame, and by using the two types of positioning structures, i.e., the first positioning member and the positioning hole, and the second positioning member and the sleeve structure, double positioning is achieved, the probability of positioning failure of a single positioning structure is reduced, the sleeve structure is relatively easy to align during installation compared to the positioning hole, coarse positioning can be achieved, the difficulty of aligning the first positioning member and the positioning hole in the first positioning unit is reduced, the installation misalignment problem is further avoided, and the problem of the sample rack being easily mispositioned in the prior art, resulting in the sample rack being suspended in the air or the sample tilting and spilling, is effectively overcome.

[0008] In an alternative embodiment, the first positioning member and the second positioning member are arranged on the support frame and spaced apart from each other; and the positioning hole and the sleeve structure are arranged on the sample frame and spaced apart from each other.

[0009] Advantages:

[0010] The hole structure is arranged on the sample frame, and the protruding structure is arranged on the support frame, so that the sample tube is prevented from colliding with the tip of the protruding structure when the sample tube is arranged on the sample frame, thereby preventing structural damage or sample leakage.

[0011] In an alternative embodiment, the first positioning member and the second positioning member protrude from the same side of the support frame, and the protruding length of the second positioning member is greater than that of the first positioning member; and the first positioning member and the positioning hole and the second positioning member and the sleeve structure are arranged in the same direction.

[0012] Advantages:

[0013] The first limiting unit and the second limiting unit are arranged in the same direction, so that the user can directly arrange the two structures in the installation direction, which is more convenient for the user to observe and install, and simplifies the installation operation. In addition, since the protruding length of the second positioning member is greater than that of the first positioning member, the second positioning member and the sleeve structure can be preferentially positioned when the user arranges them in the installation direction, which facilitates pre-positioning and further reduces the difficulty of aligning the first positioning member and the positioning hole.

[0014] In an alternative embodiment, the support frame comprises a support body on which the first positioning member and the second positioning member are arranged, the first positioning member and the second positioning member protrude from the top surface of the support body, and the support body is adapted to receive the sample frame; and a support leg arranged on the support body, one end of which is connected to the support body and the other end of which is adapted to be connected to an external unit.

[0015] In an alternative embodiment, the support body comprises a plurality of support sub-bodies, each of which is provided with a clamping portion and a clamping matching portion at both ends along the extension direction thereof, the clamping portion of one support sub-body is detachably connected to the clamping matching portion of another support sub-body, and the plurality of support sub-bodies are adapted to be connected end to end under the action of the clamping portion and the clamping matching portion; and the sample frame comprises a plurality of sample sub-frames, each of which corresponds to one of the support sub-bodies and is connected thereto.

[0016] In an alternative implementation, the second positioning member is arranged in the middle of the top surface of the support sub-body, and the first positioning member is arranged on both sides of the second positioning member; the support sub-body further comprises a connecting hole corresponding to the support leg, and the connecting hole is arranged on both sides of the second positioning member.

[0017] Beneficial effects:

[0018] The first positioning member is arranged on both sides of the second positioning member, and the connecting hole corresponding to the support leg is arranged on both sides of the second positioning member. This arrangement can balance the bearing stress on both sides of the second positioning member and balance the support stress on both sides, thereby avoiding structural overturning.

[0019] In an alternative implementation, the top end of the second positioning member is arranged in a pointed manner, and the opening area of the one end of the sleeve structure facing the second positioning member is larger than the opening area of the other end of the sleeve structure away from the second positioning member.

[0020] Beneficial effects:

[0021] The pointed top end of the second positioning member and the lower wide and upper narrow arrangement of the sleeve structure cooperate with each other to reduce the alignment difficulty during installation and effectively realize installation guidance.

[0022] In an alternative implementation, the sample sub-frame comprises a sub-frame body comprising a plurality of vertical accommodating positions adapted to accommodate sample tubes in a limited manner; a top frame arranged on the top side of the sub-frame body and provided with the positioning hole; a handle member arranged on the sub-frame body and / or the top frame and protruding upward and beyond the top frame, and the side of the handle member facing the positioning hole is provided with the sleeve structure.

[0023] Beneficial effects:

[0024] The handle member is arranged in connection with the sleeve structure, which on one hand facilitates the user to manually take and place the sample sub-member through the handle member and simultaneously align and correct the installation of the sleeve structure and the second positioning member according to the position of the handle member, and on the other hand, the position of the handle member beyond the top frame facilitates the user to hold the handle member, and the sleeve structure connected with the handle member is higher than the position of the positioning hole on the top frame, thereby facilitating the preferential positioning and cooperation of the second positioning member and the sleeve structure.

[0025] In an alternative implementation, a first serial number identification unit is arranged on the top surface of the second positioning member; and / or, along the arrangement direction of the accommodating positions on the sub-frame body, a plurality of second serial number identification units are arranged on the top frame corresponding to the accommodating positions.

[0026] Beneficial effects:

[0027] The first serial number identification unit and the second serial number identification unit are serial number identification structures, and the user can quickly identify the number of the support split body and the sample tube according to digital reading.

[0028] In a second aspect, the utility model also provides a test analysis appearance, include: experimental main part, its on setting has bearing disc;The sample frame bearing device of above, support frame of sample frame bearing device with bearing disc is connected. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the embodiment of the utility model or the technical scheme in prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description is some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0030] Figure 1 It is the structural schematic diagram of the test analysis appearance of the embodiment of the utility model;

[0031] Figure 2 It is Figure 1 It is the structural schematic diagram of the sample frame bearing device in the test analysis appearance shown in the figure;

[0032] Figure 3 It is Figure 1 It is the structural schematic diagram of the support main body in the sample frame bearing device of the test analysis appearance shown in the figure;

[0033] Figure 4 It is Figure 3 It is the structural schematic diagram of the support split body of the support main body shown in the figure;

[0034] BRIEF DESCRIPTION OF DRAWINGS

[0035] 1, support frame;11, support main body;111, support split body;112, clamping part;113, clamping matching part;114, connecting hole;12, support leg;2, sample frame;21, sample subrack;211, subrack main body;212, top frame;213, handle piece;214, second serial number identification unit;3, first positioning piece;4, positioning hole;5, second positioning piece;51, first serial number identification unit;6, sleeve structure;7, experimental main body;71, bearing base;8, sample tube. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0037] The embodiments of the utility model will be described below in combination with Figures 1 to 4

[0038] In the first aspect, the embodiments provide a sample rack bearing device, comprising: a support frame 1, a sample rack 2, a first limiting unit and a second limiting unit.

[0039] The support frame 1 is used as a carrier to bear and limit the movement of the sample rack 2. The sample rack 2 is arranged on the support frame 1, which can accommodate the sample tube 8 limited in position, or can accommodate other containers with built-in samples as needed. Preferably, the shapes of the support frame 1 and the sample rack 2 correspond to each other, and in this embodiment, both are in the form of a ring frame. It can be understood that both can also be in the form of a straight plate frame or an arc frame.

[0040] The first limiting unit comprises a first positioning member 3 and a positioning hole 4 corresponding to the limiting position. The first positioning member 3 is arranged on one of the sample rack 2 and the support frame 1, and the positioning hole 4 is arranged on the other. Specifically, the first positioning member 3 is a protruding structure such as a pin, a pin column, an axon, etc. Preferably, it is a straight column, and the cross-sectional shape is the same as the hole of the positioning hole 4. In addition, the positioning hole 4 can be equivalent to a positioning groove, etc.

[0041] The second limiting unit comprises a second positioning member 5 and a sleeve structure 6 corresponding to the limiting position. The second positioning member 5 is arranged on one of the sample rack 2 and the support frame 1, and the sleeve structure 6 is arranged on the other. Specifically, the second positioning member 5 is a fixed column, which can also be arranged in the same way as the first positioning member 3. As a preferred embodiment, the inner diameter of the sleeve structure 6 is greater than or equal to the positioning hole 4.

[0042] In addition, the first positioning member 3 and the second positioning member 5 can be integrally arranged with their installation bases or can be detachably connected. In this embodiment, the second positioning member 5 is detachably connected with its installation base, specifically through shaft hole interference or threaded connection. Preferably, when the support frame 1 completes the bearing and limiting of the sample rack 2, both the first limiting unit and the second limiting unit correspondingly realize the limiting position.

[0043] ​By respectively arranging the first limiting unit and the second limiting unit on the sample rack 2 and the support frame 1, by the two types of positioning structures of the first positioning piece 3 and the positioning hole 4, the second positioning piece 5 and the sleeve structure 6, double positioning is realized, the probability of positioning failure of a single positioning structure is reduced, at the same time, compared with the positioning hole 4, the sleeve structure 6 is relatively convenient to install and align, can realize rough positioning, reduce the alignment difficulty of the first positioning piece 3 and the positioning hole 4 in the first limiting unit, further avoid the installation misplacement problem, effectively overcome the positioning failure of the sample rack 2 in the prior art, which leads to the problem of sample rack 2 hanging or sample spilling.

[0044] In the embodiment, the first positioning piece 3 and the second positioning piece 5 are arranged on the support frame 1, and the two are spaced apart from each other, and the positioning hole 4 and the sleeve structure 6 are arranged on the sample rack 2, and the two are arranged spaced apart from each other. Preferably, the spacing distance of the two groups of structures is equal. The hole structure is arranged on the sample rack 2, and the protruding structure is arranged on the support frame 1, so as to avoid the sample tube 8 from colliding with the tip of the protruding structure when the sample rack 2 is arranged, causing structural damage or sample leakage.

[0045] As a convertible embodiment, the first positioning piece 3 and the second positioning piece 5 can be arranged on the sample rack 2, or one of the first positioning piece 3 and the second positioning piece 5 is arranged on the sample rack 2.

[0046] In the embodiment, the first positioning piece 3 and the second positioning piece 5 protrude along the same side of the support frame 1, and the protruding length of the second positioning piece 5 is greater than that of the first positioning piece 3. In the embodiment, the two types of positioning pieces are arranged on the top surface of the support frame 1 and protrude upward. It can be understood that the two types of positioning pieces are arranged on the side surface of the support frame 1 and protrude along the surface.

[0047] The first positioning piece 3 and the positioning hole 4, and the second positioning piece 5 and the sleeve structure 6, the positioning and cooperating directions of the two groups of structures are the same.

[0048] The positioning and cooperating directions of the two groups of structures in the first limiting unit and the second limiting unit are the same, so that the user can directly arrange the two groups of structures along the installation and cooperation direction, which is relatively convenient for the user to observe and install and align, and simplifies the installation operation. At the same time, since the protruding length of the second positioning piece 5 is greater than that of the first positioning piece 3, when the user corresponds and arranges along the installation and cooperation direction, the second positioning piece 5 and the sleeve structure 6 will be positioned and cooperated first, which is convenient for pre-positioning, and further reduces the alignment difficulty of the first positioning piece 3 and the positioning hole 4.

[0049] As the transformable embodiment, the first positioning member 3 and the second positioning member 5 protrude along different sides of the support frame 1, the first positioning member 3 and the positioning hole 4, and the second positioning member 5 and the sleeve structure 6, the two sets of limiting cooperation directions are opposite directions.

[0050] The support frame 1 comprises a support body 11 and a support leg 12.

[0051] The first positioning member 3 and the second positioning member 5 are arranged on the support body 11, the first positioning member 3 and the second positioning member 5 are arranged protruding along the top surface of the support body 11, and the support body 11 is adapted to receive the sample frame 2; the support leg 12 is arranged on the support body 11, one end of the support leg 12 is connected with the support body 11, and the other end of the support leg 12 is adapted to be connected with an external unit, in this embodiment, the support leg 12 is arranged in a straight rod shape at the bottom side of the support body 11, and is preferably detachably limited and connected, such as threaded connection, and the number thereof can be arranged as required.

[0052] As the transformable embodiment, when the sample frame 2 has sufficient installation space, the support leg 12 can not be arranged, and the support body 11 is directly connected with the external structure.

[0053] The support body 11 is in the form of a plurality of support sub-bodies 111, and the sample frame 2 comprises a plurality of sample sub-frames 21. In this embodiment, the support body 11 and the sample frame 2 are arranged in a ring shape in correspondence, and the support sub-bodies 111 and the sample sub-frames 21 are arranged in an arc shape in correspondence.

[0054] The support sub-body 111 is provided with a clamping portion 112 and a clamping cooperation portion 113 at both ends along the extension direction thereof, the clamping portion 112 is detachably clamped and connected with the clamping cooperation portion 113 of another support sub-body 111, and can be in the form of a clamping opening and an expanded end, or can be in the form of a barb. A plurality of support sub-bodies 111 are adapted to be connected end to end under the action of the clamping portion 112 and the clamping cooperation portion 113. In addition, the sample sub-frames 21 correspond to the support sub-bodies 111 one by one and are limited and connected with each other. It can be understood that the sample sub-frames 21 and the support sub-bodies 111 can also be in the form of one-to-many mutual limiting connection.

[0055] The second positioning member 5 is correspondingly arranged at the middle part of the top surface of the support sub-body 111, and the first positioning member 3 is correspondingly distributed on both sides of the second positioning member 5; the support sub-body 111 further comprises a connecting hole 114, the connecting hole 114 is correspondingly connected with the support leg 12, and the connecting hole 114 is correspondingly distributed on both sides of the second positioning member 5. Preferably, the second positioning member 5 and the connecting hole 114 are each provided with one, two or more, when arranged in pairs, the same type of structure has a preferred equal length spacing from the second positioning member 5, or the spacing can be different according to different loads.

[0056] The first positioning element 3 is distributed on both sides of the second positioning element 5, and the connecting holes 114 corresponding to the support legs 12 are distributed on both sides of the second positioning element 5. This arrangement can balance the load-bearing stress on both sides of the second positioning element 5 and the support stress on both sides, thus preventing structural overturning.

[0057] The top of the second positioning member 5 is pointed, and the opening area of ​​the sleeve structure 6 at the end facing the second positioning member 5 is larger than that at the end away from the second positioning member 5. The pointed end of the second positioning member 5 and the sleeve structure 6 are wider at the bottom and narrower at the top, which complement each other to reduce the difficulty of alignment during installation and effectively achieve installation guidance. As an alternative implementation, the top of the second positioning member 5 can also be rounded.

[0058] The sample shelf 21 includes: shelf body 211, top shelf 212 and handle 213.

[0059] The main body 211 of the shelf includes several vertical receiving positions, which are adapted to accommodate and limit the sample tubes 8. The top frame 212 is located on the top side of the main body 211 and has positioning holes 4. The handle 213 is correspondingly located on the top frame 212, or it can be located on the main body 211 or connected to both. The handle 213 protrudes upward and extends beyond the top frame 212, and a sleeve structure 6 is provided on the side of the handle 213 facing the positioning hole 4.

[0060] The handle 213 is connected to the sleeve structure 6. On the one hand, it is convenient for the user to manually pick up and place the sample parts through the handle 213, and at the same time, the sleeve structure 6 and the second positioning part 5 are aligned and corrected according to the position of the handle 213. On the other hand, the position of the handle 213 extends beyond the top frame 212. Even if the user holds the handle 213, the sleeve structure 6 connected to it can be made higher than the positioning hole 4 on the top frame 212, which facilitates the priority positioning and cooperation of the second positioning part 5 and the sleeve structure 6.

[0061] In this embodiment, a first serial number identification unit 51 is correspondingly provided on the top surface of the second positioning member 5, and a plurality of second serial number identification units 214 are provided on the top frame 212 corresponding to the receiving positions along the arrangement direction of the receiving positions on the sub-frame body 211. The two types of serial number identification units can specifically be in the form of numbers or letters. As a variable implementation, only one of the two types of serial number identification units may be provided.

[0062] The first serial number recognition unit 51 and the second serial number recognition unit 214 serve as serial number recognition structures, facilitating users to quickly identify the number of support splits 111 and sample tubes 8 based on numerical readings.

[0063] In a second aspect, the utility model still provides a kind of test analysis appearance, specifically includes: experimental main body 7 and the sample rack bearing device above described.It is provided with bearing base 71 on experimental main body 7, it is discoid in this embodiment, and the support frame 1 of sample rack bearing device is connected with bearing base 71.

[0064] Although the embodiments of the utility model are described in conjunction with the drawings, various modifications and variations can be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A sample holder carrying device, characterized in that, The sample rack carrying device comprises: a support frame (1); a sample rack (2) arranged on the support frame (1), the support frame (1) being adapted to carry the sample rack (2); a first limiting unit comprising a first positioning member (3) and a positioning hole (4) arranged in a corresponding matching manner, the first positioning member (3) being arranged on one of the sample rack (2) and the support frame (1), and the positioning hole (4) being arranged on the other one; a second limiting unit comprising a second positioning member (5) and a sleeve structure (6) arranged in a corresponding matching manner, the second positioning member (5) being arranged on one of the sample rack (2) and the support frame (1), and the sleeve structure (6) being arranged on the other one.

2. The sample rack carrying device according to claim 1, wherein: the first positioning member (3) and the second positioning member (5) are arranged on the support frame (1) and spaced apart from each other; the positioning hole (4) and the sleeve structure (6) are arranged on the sample rack (2) and spaced apart from each other.

3. The sample rack carrying device according to claim 2, wherein: the first positioning member (3) and the second positioning member (5) protrude from the same side of the support frame (1), and the protruding length of the second positioning member (5) is greater than that of the first positioning member (3); the first positioning member (3) and the positioning hole (4) and the second positioning member (5) and the sleeve structure (6) are arranged in the same direction.

4. The sample holder carrying device of claim 3, wherein, The support frame (1) comprises: a support body (11) on which the first positioning member (3) and the second positioning member (5) are arranged, the first positioning member (3) and the second positioning member (5) protruding from the top surface of the support body (11), and the support body (11) being adapted to receive the sample rack (2); a support leg (12) arranged on the support body (11) and connected to the support body (11) at one end and adapted to be connected to an external unit at the other end.

5. The sample rack carrying device according to claim 4, wherein: the support body (11) comprises a plurality of support sub-bodies (111), each of the support sub-bodies (111) being provided with a clamping portion (112) and a clamping matching portion (113) at two ends thereof along the extending direction thereof, the clamping portion (112) of each of the support sub-bodies (111) being detachably connected to the clamping matching portion (113) of another support sub-body (111), and the plurality of support sub-bodies (111) being adapted to be connected end to end under the action of the clamping portion (112) and the clamping matching portion (113); the sample rack (2) comprises a plurality of sample sub-racks (21), each of the sample sub-racks (21) corresponding to one of the support sub-bodies (111) and being connected thereto.

6. The sample rack carrying device according to claim 5, wherein: the second positioning member (5) is arranged in the middle of the top surface of the support sub-body (111), and the first positioning member (3) is arranged on both sides of the second positioning member (5). The support sub-body (111) further comprises connecting holes (114) corresponding to the legs (12), which are distributed on both sides of the second positioning member (5).

7. The sample rack carrying device according to any one of claims 1-6, characterized in that, The top end of the second positioning member (5) is pointed, and the opening area of the sleeve structure (6) at one end thereof facing the second positioning member (5) is larger than that at the other end thereof away from the second positioning member (5).

8. The sample holder carrying device according to claim 5 or 6, characterized in that The sample sub-rack (21) comprises: a sub-rack main body (211) comprising a plurality of vertical accommodating positions adapted to accommodate sample tubes (8) in position; a top rack (212) arranged on the top side of the sub-rack main body (211) and provided with the positioning holes (4) thereon; a handle member (213) corresponding to the sub-rack main body (211) and / or the top rack (212) and protruding upward beyond the top rack (212), the handle member (213) being provided with the sleeve structure (6) on the side thereof facing the positioning holes (4).

9. The sample rack carrying device according to claim 8, characterized in that, a first serial number identification unit (51) is arranged on the top surface of the second positioning member (5); and / or a plurality of second serial number identification units (214) are arranged on the top rack (212) corresponding to the accommodating positions along the arrangement direction of the accommodating positions on the sub-rack main body (211).

10. A test analyzer characterized by, comprise: an experimental main body (7) provided with a carrying base (71); the sample rack carrying device according to any one of claims 1-9, wherein the support rack (1) of the sample rack carrying device is connected to the carrying base (71).

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