DE202021001193U1 - Guide arrangement and multichannel spectrometer with guide arrangement - Google Patents

Abstract

Guide arrangement (10) for a multichannel pipettor, the guide arrangement (10) being designed to be attached to a panel (50) of an analyzer,
wherein the guide arrangement (10) comprises a guide body (20) which has a guide section (21) and a mounting section (22), wherein the mounting section (22) is connected to the guide section (21) and supports it, and wherein the mounting section ( 22) has a mounting surface (222) facing the panel,
characterized in that the guide assembly further comprises a detachable connecting device by which the mounting portion is attached to the panel (50),
wherein the connecting device comprises a first connecting portion (31) which is arranged on the mounting portion, and at least two groups of second connecting portions (32) which are adapted to the first connecting portion (31), the first connecting portion (31) configured to do so is to be optionally connected to one of the at least two groups of second connecting sections (32) so that the guide body (20) can be attached to different positions of the panel (50).

Description

Technical area

The present utility model relates to a multichannel spectrometer, in particular to a guide arrangement of a spectrometer in which a multichannel pipettor is used.

State of the art

There are currently various multichannel spectrometers on the market for qualitative, quantitative and structural analyzes, which can simultaneously provide several samples for analysis or for testing, whereby the efficiency of use of the spectrometer is considerably improved. For example, UV / VIS microspectrometers for several samples are already available on the market that have several, for example eight, sample channels, so that a maximum of eight samples can be recorded in one measuring cycle.

Before a simultaneous analysis in such a multichannel spectrometer, the samples must be dripped onto the sample inlet of the spectrometer. In practical use, a multi-channel pipettor is normally used to load multiple samples onto the sample receptacle at the same time.

In order to align the multichannel pipettor precisely with the sample inlets of the spectrometer, a guide arrangement is specially arranged on the panel of the spectrometer and the surface of the guide arrangement is provided with a guide groove. When dripping, the operator places each pipette tip of the pipettor against a guide groove on the surface of the guide arrangement so that the pipettor can be precisely positioned and it is ensured that the sample drips precisely into the inlet of the spectrometer.

The guide assembly, which is located on an existing spectrometer, is, however, attached to the panel of the spectrometer. As a rule, the arranged position of the guide arrangement determines whether the guide arrangement is only suitable for right-handers or only for left-handers for operating the multichannel pipettor. Reverse handed personnel often find that the existing guide arrangement cannot provide a comfortable operating angle.

It is therefore necessary to improve the guide arrangement of the conventional spectrometer in order to better adapt the operation to ergonomic requirements.

Disclosure of the utility model

In order to overcome the deficiencies in the prior art, the present utility model provides a guide arrangement for a multichannel pipettor, the guide arrangement being designed to be attached to a panel of an analyzer, the guide arrangement comprising a guide body having a guide section and a mounting section wherein the mounting portion is connected to the guide portion and supports it, and wherein the mounting portion has a mounting surface facing the panel. The guide arrangement further comprises a detachable connecting device, the mounting section being fastened to the panel by the connecting device, the connecting device having a first connecting section that is arranged on the mounting section and at least two groups of second connecting sections that are adapted to the first connecting section , wherein the first connection section is configured to optionally connect to one of the at least two groups of second connection sections, whereby the guide body can be attached to different positions of the panel.

The present utility model relates to a guide arrangement and a multichannel spectrometer with the guide arrangement. A guide assembly for a multi-channel pipettor is provided. The guide arrangement can be located near a sample inlet of the spectrometer and can be mounted on a top side of a panel of the spectrometer. The guide arrangement comprises a guide body which has a guide section and a mounting section, the guide section extending between mounting sections, the mounting section having a mounting surface facing an upper side of the spectrometer. The guide assembly further comprises a detachable connecting device and the mounting portion is attached to the panel by the connecting device, the connecting device comprising a first connecting portion arranged on the mounting portion and a second connecting portion adapted to the first connecting portion, wherein two groups of second connecting portions each of which fix the guide body at different positions of the panel, and wherein the two groups of second connecting portions are each arranged on one side of the sample inlet. This allows the operator to flexibly adjust the position of the guide arrangement on the spectrometer depending on personal usage habits.

According to one aspect of the present utility model, it is provided that the first connection section and the second connection section are connected by magnetic attraction.

According to a further aspect of the present utility model it is provided that one of the first connection section and second connection section is made of permanent magnetic material, and the other of the first connection section and second connection section can be made of permanent magnetic material or of material magnetically attracted by a permanent magnetic material .

According to a further aspect of the present utility model it is provided that the mounting section forms an interior space, the first connecting section being inserted into the interior space, the first connecting section having a surface released from the interior space, and wherein the surface is flush with the mounting surface of the mounting section . According to a further aspect of the present utility model, it is provided that the second connecting section is a permanent magnet block made of permanent magnetic material, and the permanent magnet block is attached to an underside opposite an upper side of the panel.

According to a further aspect of the present utility model it is provided that the first connection section has a first engagement surface facing the second connection section with a first surface, and that the second connection section has a second engagement surface facing the first connection section with a second surface, the first surface being smaller than the second face is.

According to a further aspect of the present utility model, it is provided that the guide arrangement further comprises a positioning pin, a corresponding pin hole being formed in the mounting section of the guide body, the positioning pin being inserted into the pin hole when the first connecting section with one of the at least two groups of second Connection sections of the connecting device is connected.

According to a further aspect of the present utility model it is provided that a hole is formed in the first connecting section, the positioning pin engaging the pin hole after passing through the hole in the first connecting section when the first connecting section with one of the at least two groups of second connecting sections of the Connection device is connected.

According to a further aspect of the present utility model, it is provided that the connecting device comprises a quick-release screw connection or a snap-in connection.

The present utility model further provides a multichannel spectrometer, the panel of which is a panel with a sample inlet for the multichannel spectrometer, the panel being provided with a guide arrangement as described above, two groups of second connection sections being provided, and the two groups of second connection sections being provided are arranged on both sides of the sample inlet. According to a further aspect of the present utility model, it is provided that the multichannel spectrometer has the panel that represents the sample inlet, a concave hole being formed in an underside of the panel opposite an upper side, and the second connecting section being inserted into the concave hole.

According to a further aspect of the present utility model it is provided that the two groups of second connecting sections are arranged symmetrically on both sides of the sample inlet.

It is preferably provided that the distance between an edge of the guide section which is close to the sample inlet and a straight line in which the center of the sample inlet is located is set between 10 cm and 15 cm.

Using the new guide arrangement according to the present utility model, the operator can flexibly adjust the position of the guide arrangement on the spectrometer depending on personal usage habits. Regardless of whether the operator is left-handed or right-handed, he can implement the positioning and guiding processes with the guide arrangement.

Through the first connecting section and the second connecting section, which are connected to one another by magnetic attraction, the guide arrangement can be quickly assembled and dismantled, so that the position of the guide arrangement on the panel of the spectrometer can be easily changed without tools, which is carried out by the operator with one hand can be.

Figure list

• 1 eine perspektivische Explosionsansicht einer Führungsanordnung für ein Spektrometer gemäß einem ersten Ausführungsbeispiel des vorliegenden Gebrauchsmusters;
• 2 eine Schnittansicht einer Führungsanordnung für ein Spektrometer gemäß dem ersten Ausführungsbeispiel des vorliegenden Gebrauchsmusters;
• 3 eine perspektivische Explosionsansicht einer Führungsanordnung für ein Spektrometer gemäß einem zweiten Ausführungsbeispiel des vorliegenden Gebrauchsmusters;
• 4A eine perspektivische Ansicht eines Panels des Spektrometers mit einer Führungsanordnung gemäß dem vorliegenden Gebrauchsmuster, wobei die Führungsanordnung auf einer Seite eines Probeneinlasses angeordnet ist;
• 4B eine perspektivische Ansicht der Führungsanordnung aus 4A in einem Verwendungszustand;
• 5A eine perspektivische Ansicht eines Panels des Spektrometers mit einer Führungsanordnung gemäß dem vorliegenden Gebrauchsmuster, wobei die Führungsanordnung auf der anderen Seite eines Probeneinlasses angeordnet ist;
• 5B eine perspektivische Ansicht der Führungsanordnung aus 5A in einem Verwendungszustand.

In order to fully understand the present utility model, the following can be used Description of the exemplary embodiments should be considered with reference to the accompanying drawings. Show:

• 1 a perspective exploded view of a guide arrangement for a spectrometer according to a first embodiment of the present utility model;
• 2 a sectional view of a guide arrangement for a spectrometer according to the first embodiment of the present utility model;
• 3 a perspective exploded view of a guide arrangement for a spectrometer according to a second embodiment of the present utility model;
• 4A a perspective view of a panel of the spectrometer with a guide arrangement according to the present utility model, wherein the guide arrangement is arranged on one side of a sample inlet;
• 4B a perspective view of the guide assembly from 4A in a use state;
• 5A a perspective view of a panel of the spectrometer with a guide arrangement according to the present utility model, wherein the guide arrangement is arranged on the other side of a sample inlet;
• 5B a perspective view of the guide assembly from 5A in a state of use.

List of reference symbols

10

Guide arrangement

20th

Guide body

21

Guide section

211

Guide groove

22nd

Assembly section

221

inner space

222

Mounting surface

23

Pinhole

31

first connection section

311

hole

32

second connection section

33

Positioning pin

50

Panel

51

Sample inlet

52

concave hole

60

Pipettor

Concrete embodiments

The present utility model is described in detail below in conjunction with specific exemplary embodiments and drawings. In the following description, further details are given in order to fully illustrate the present utility model. However, the present utility model can obviously be implemented with several embodiments other than the embodiments described herein. The person skilled in the art can, depending on the actual conditions of use, undertake analogical extensions or derivations without departing from the spirit of the present utility model. Therefore, the content of these specific embodiments should not limit the scope of the present utility model.

1 Figure 3 shows an exploded view of the guide assembly 10 for a multichannel pipettor 60 according to the first embodiment of the present utility model, two positions being shown by way of example at which the guide body 20th the guide arrangement 10 can be mounted. This in 1 shown panel 50 is for example a panel 50 for a multichannel spectrometer. The panel 50 is arranged on an upper part of a housing of the spectrometer, the panel having a plurality of sample inlets 51 which are arranged in a straight line with the sample inlets 51 Fiber head surfaces are those on the panel 50 are arranged. As a rule, the sample must be supplied via a multi-channel pipettor 60 to a sample inlet 51 be applied. Because the multichannel pipettor 60 normally has a relatively large volume, is to facilitate the positioning and guidance of the multichannel pipettor 60 a guide body 20th for guiding and positioning the pipettor 60 on the top of the panel 50 assembled.

According to a particular aspect of the present utility model, the guide body 20th Via a detachable connection device, optionally on the upper part of the panel 50 , the left or right side of the sample inlet 51 be mounted in order to adapt flexibly to the operating habits of the operator. In other words, regardless of whether the operator is left-handed or right-handed, one side can be used for assembling the guide body 20th appropriately selected so that the pipettor 60 with the guide body 20th is aligned comfortably. Preferably, the detachable connection device is a tool-free quick connection device, wherein the operator using the spectrometer can assemble and disassemble the connection device in a relatively short time without the use of tools.

In an embodiment according to the present utility model, as in 1 shown includes the guide assembly 10 a guide body 20th and a detachable connecting device 30, the connecting device 30 being formed around the guide body 20th on the panel 50 to attach that with sample inlets 51 is provided. As a rule, the connection position of the connection device 30 is close to the sample inlet 51 and leaves the overall direction of extent of the guide body 20th essentially parallel to the straight line in which the sample inlet is located 51 is located.

In general, the guide body 20th a guide section 21 and a mounting section 22nd on. The mounting section is preferred 22nd and the guide section 21 for example, made in one piece from a resin material.

The guide section 21 takes the form of an elongated rod and includes a guide surface. There are several equally spaced guide grooves on the guide surface 211 provided, each guide groove 211 is designed to work with a corresponding pipette tip in the multi-channel pipettor 60 to come into engagement so that the positioning and the guidance are realized. As in 2 shown, there are eight guide grooves 211 . The pipettor has accordingly 60 eight pipettes for the simultaneous transfer of eight liquids. The direction of extension of the guide section 21 is essentially parallel to the extension direction of the straight line in which the sample inlet is located 51 is located. The distance between one near the sample inlet 51 lying edge of the guide section 21 and the straight line in which the center of the sample inlet is located is preferably set between 10 cm and 15 cm, more preferably between 13 cm and 14 cm.

It is also provided that the mounting sections 22nd of the guide body 10 at both ends of the guide section 21 are arranged and from the guide section 21 down towards the panel 50 extends. The assembly section 22nd assigns one to the panel 50 the mounting surface facing the spectrometer 222 on, with the mounting surface 222 for engaging a top surface of the panel 50 suitable. Out 2 it can be seen that the mounting section 22nd also an interior 221 forms to receive at least a portion of the connecting device 30. The interior preferably extends 221 from the mounting surface 222 inside.

As in 1 As shown, the connector 30 includes a first connector portion 31 attached to the mounting section 22nd is arranged, and a second connecting portion 32 that is attached to the first connection section 31 is adapted. In particular, as in 1 shown, the connecting device 30 with two groups of second connecting portions 32 provided, each on either side of the sample inlet 51 of the panel 50 are arranged so that it is facilitated that the guide body 20th optionally on both sides of the sample inlet 51 of the panel 50 can be attached.

It goes without saying that in other alternative exemplary embodiments, more than two groups of second connecting sections 32 can be provided to allow more positions for attaching the guide body.

In a preferred embodiment, the connector 30 is a magnetic connector. Two connecting sections 31 and 32 of the connecting device 30 attract each other by means of a magnetic force. The size of the generated magnetic force should be adjusted so that it is sufficient to the guide body 20th the guide arrangement 10 on the panel 50 to secure and ensure that the guide body during proper use of the guide assembly 10 does not leave the holding position; but the guide body can be from the panel 50 be separated when the operator touches the guide body 20th pulls with force.

The first connecting section is preferred 31 a cylinder that can be made of permanent magnetic material or a material that can be magnetically attracted to the permanent magnetic material. Here, the permanent magnetic material refers to materials that can maintain constant magnetic properties after magnetization, including Al-Ni-Co permanent magnet alloy, Fe-Cr-Co permanent magnet alloy, ferrite permanent magnets, rare earth permanent magnet materials and composite permanent magnet materials, etc. materials that can be magnetically attracted to permanent magnetic materials generally refer to materials with low coercive force and high magnetic permeability. They are easy to magnetize and demagnetize, can be attracted to permanent magnetic materials, and usually comprise silicon steel, iron-nickel alloy, etc. The interior space is accordingly 221 in the assembly section 22nd also in a cylindrical one Form formed, its size and shape at the first connecting portion 31 are adjusted. The first connection section 31 can in an interior 221 of the first connection section 31 are used and fixed in a form fit or by means of an adhesive. After the first connection section 31 in the interior 221 embedded, is the lower level of the cylinder of the first connecting section 31 flush with the mounting surface 222 of the assembly section 22nd . In this way, when assembling the guide body 20th on the top of the panel 50 of the spectrometer this plane of the cylinder of the first connecting section 31 surface contact with the top of the panel 50 reach so that the first connecting section 31 as close as possible to the second connecting section 32 can be that is located under the panel 50 located to maximize magnetic attraction. Regarding the assembly sections 22nd at both ends of the guide body 20th the guide arrangement 10 can have their respective first connection sections 31 have the same shape and arrangement.

It goes without saying that the manner for attaching the first connecting portion 31 and the mounting section 22nd of the guide body 20th is not limited to the embodiment described above, and other ways and means of fastening can also be used. For example, the first connecting section 31 by a fastening element on the mounting section 22nd of the guide body 20th be attached. In other alternative exemplary embodiments, it is also possible that no interior space is due to the mounting section 221 is formed while the first connecting portion 31 is attached to the mounting surface of the mounting section. Now the mounting surface is the mounting section 22nd with the surface of the second connecting portion 32 connected, the lower surface of the second connecting portion 32 connected to the top of the panel.

The two groups of second connecting sections 32 are symmetrical on either side of the sample inlet 51 of the panel 50 of the spectrometer designed to facilitate the assembly of the guide body 20th on the left or right side of the sample inlet to facilitate. As in 1 shown is the second connecting section 32 of the connecting device 30 is disc-shaped and made of permanent magnetic material, namely a material which can maintain constant magnetic properties after magnetization. Correspondingly, there is a corresponding concave hole 52 in the underside of the panel opposite the top 50 educated. Corresponding to the two groups of second connection sections 32 are also two groups of concave holes 52 provided, each on either side of the sample inlet 51 are located, wherein a disc-shaped second connecting portion 32 in every concave hole 52 is embedded. By providing the concave holes 52 are the first connection section 31 and the second connecting portion 32 only separated by a thin wall. The distance between two concave holes 52 in each group corresponds to a distance passing through the first connecting section 31 on the guide body 20th is spaced. The second connecting section can preferably 32 by means of adhesion or conformance in the concave hole 52 on the bottom surface of the panel 50 attached. It goes without saying, however, that in other alternative exemplary embodiments, the second connecting section 32 also from above into the panel 50 can be embedded.

Furthermore, it is preferred that the surface of the underside of the first connecting section 31 smaller than the area of the top of the second connecting portion 32 so that the convenience of the engaging operation of the connecting device 30 can be increased.

3 Figure 3 shows an exploded perspective view of the guide assembly 10 according to the second embodiment of the present utility model. To move or rotate the guide assembly 10 to prevent is the guide arrangement 10 additionally with a positioning pin 33 Mistake. One end of the positioning pin 33 is in the positioning hole in the top of the panel 50 of the spectrometer. The positioning pin 33 extends substantially perpendicular to the top of the panel 50 up. A corresponding pin hole 23 is in the assembly section 22nd of the guide body 20th educated. After the guide body 20th on the panel 50 is mounted, the positioning pin 33 into the corresponding pin hole 23 plugged in. Out 3 it can also be seen that in the first connecting section 31 a hole 311 is trained. During assembly, the positioning pin goes 33 through the hole 311 in the first connection section 31 through and then engages with the pin hole 23 in the guide arrangement 10 a. By providing the positioning pin 33 accidental movement or rotation of the guide body 20th avoided during use, thereby reducing the reliability of the use of the guide assembly 10 continues to be improved.

It goes without saying that for the guide arrangement 10 with positioning pins 33 two sets of positioning holes symmetrically on the left and right of the sample inlet 51 of the panel 50 of the spectrometer can be arranged so that during assembly of the guide body 20th the end of the positioning pin 33 can be inserted into the positioning hole.

As in 4A and 5A shown, can according to the present utility model of the guide body 20th optionally on the left or right side of the sample inlet 51 at the top of the panel 50 of the spectrometer. After the assembly is complete, the guide section is 21 of the guide body 20th substantially parallel to the straight line in which the sample inlet is located. 4B shows a schematic view in which the multichannel pipettor 60 by means of a guide arrangement arranged on the right-hand side of the sample inlet 10 is used. This can be used by a right handed operator. 5B shows a schematic view in which the multichannel pipettor 60 by means of one on the left side of the sample inlet 51 arranged guide arrangement 10 is used. This can be used by a left handed operator. The assembly and disassembly of the guide body 20th on the top of the panel 50 is very simple, all that is required is the guide body 20th from the panel 50 pulled out and then turn 180 degrees, and on the other side of the sample inlet 51 to assemble.

In addition to the magnetically detachable connecting device described above, in other alternative embodiments the guide body 20th also through other detachable connection devices with the panel 50 get connected. For example, the guide body 20th by means of a quick screw connection on the panel 50 to be assembled. In this example it must be on opposite sides of the sample inlet accordingly 51 of the panel 50 connecting sections of the connecting device are also provided to establish the mounting positions for the two guide bodies 20th on the panel 50 to achieve. In addition, the guide body 20th also by means of a form-fitting device on the panel 50 to be assembled. In this example it must be on opposite sides of the sample inlet of the panel 50 form-fitting sections of the connecting device are also provided, which are in one piece on the panel 50 can be designed to the mounting positions for the two guide bodies 20th on the panel 50 to achieve.

Using the new guide arrangement according to the present utility model, the operator can flexibly adjust the position of the guide arrangement on the spectrometer depending on personal usage habits. Regardless of whether the operator is left-handed or right-handed, he can implement the positioning and guiding processes with the guide arrangement.

Through the first connection section 31 and the second connecting portion 32 that are connected to each other by magnetic attraction, the guide assembly can be quickly assembled and disassembled, so that the position of the guide assembly on the panel 50 of the spectrometer can easily be changed without tools, which can be done by the operator with one hand.

The present utility model is disclosed above with preferred exemplary embodiments, which, however, are not intended to restrict the present utility model. Anyone skilled in the art can make possible changes and modifications without departing from the spirit and scope of the present utility model. Therefore, any revisions, equivalent changes and modifications to the above embodiments based on the basic technical ideas of the utility model without leaving the content of the design of the utility model fall under the scope of protection, which is defined by the claims of the present utility model.

Claims (13)

Guide arrangement (10) for a multichannel pipettor, the guide arrangement (10) being designed to be attached to a panel (50) of an analyzer, the guide arrangement (10) comprising a guide body (20) which has a guide section (21) and a mounting section (22), wherein the mounting section (22) is connected to the guide section (21) and supports it, and wherein the mounting section (22) has a mounting surface (222) facing the panel, characterized in that the guide arrangement further comprises a A detachable connecting device by means of which the mounting portion is attached to the panel (50), the connecting device having a first connecting portion (31) arranged on the mounting portion and at least two groups of second connecting portions (32) connected to the first connecting portion ( 31) are adapted, wherein the first connection section (31) is configured to optionallya l to be connected to one of the at least two groups of second connecting sections (32), so that the guide body (20) can be attached to different positions of the panel (50). Guide arrangement (10) according to Claim 1 , characterized in that the first connecting portion (31) and the second Connecting portion (32) are connected by magnetic attraction. Guide arrangement (10) according to Claim 1 or 2 , characterized in that one of the first connection section (31) and second connection section (32) is made of permanent magnetic material, and the other of the first connection section (31) and second connection section (32) is made of permanent magnetic material or of material magnetically attracted by permanent magnetic material can be produced. Guide arrangement (10) according to Claim 3 , characterized in that the mounting section forms an interior space into which the first connecting section is inserted, the first connecting section having a surface exposed from the interior space, and wherein the surface is flush with the mounting surface of the mounting section. Guide arrangement (10) according to Claim 3 , characterized in that the second connecting section is a permanent magnet block made of permanent magnetic material, and the permanent magnet block is attached to an underside opposite an upper side of the panel. Guide arrangement (10) according to Claim 3 , characterized in that the first connecting portion (31) has a first engaging surface facing the second connecting portion with a first surface, and in that the second connecting portion (32) has a second engaging surface facing the first connecting portion with a second surface, the first surface being smaller than the second face is. Guide arrangement (10) according to Claim 3 , characterized in that the guide arrangement further comprises a positioning pin (33), a corresponding pin hole (23) being formed in the mounting section (22) of the guide body (20), the positioning pin being inserted into the pin hole when the first connecting section is connected to a which is connected to at least two groups of second connecting sections of the connecting device. Guide arrangement (10) according to Claim 7 , characterized in that a hole (311) is formed in the first connecting portion (31), the positioning pin (33) engaging the pin hole (23) after passing through the hole in the first connecting portion (31) when the first connecting portion with one of the at least two groups of second connecting sections of the connecting device is connected. Guide arrangement according to Claim 1 , characterized in that the connecting device comprises a quick-release screw connection or a snap-in connection. Multichannel spectrometer, the panel is a panel with a sample inlet for the multichannel spectrometer, the panel having a guide arrangement according to one of the Claims 1 to 9 is equipped, wherein two groups of second connection portions are provided, and wherein the two groups of second connection portions are arranged on both sides of the sample inlet. Multichannel spectrometer Claim 10 , characterized in that the multichannel spectrometer has the panel with the sample inlet, concave holes being formed in an underside of the panel opposite an upper side, and the second connecting sections being inserted into the respective concave holes. Multichannel spectrometer Claim 10 , characterized in that the two groups of second connecting portions are symmetrically arranged on both sides of the sample inlet. Multichannel spectrometer Claim 10 , characterized in that the distance between an edge of the guide section which is close to the sample inlet and a straight line in which the center of the sample inlet is located is set between 10 cm and 15 cm.

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