CN211636621U - Colorimetric cylinder stand - Google Patents

Abstract

The utility model discloses a color comparison pipe support, the color comparison pipe support includes the bottom plate, first curb plate, second curb plate and plywood, first curb plate sets up on the bottom plate, the second curb plate sets up on the bottom plate, second curb plate and the parallel interval of first curb plate set up the homonymy at the bottom plate, plywood and the parallel interval of bottom plate set up, one side and the cooperation of first curb plate of plywood, the opposite side and the second curb plate cooperation of plywood, the equipartition is equipped with a plurality of holes of wearing to establish on the first curb plate, wear to establish downthehole setting and have the card of card to hold the mechanism of holding the passageway, the diameter of card holding the passageway. The first side plate and the second side plate are arranged at the same side of the bottom plate at intervals in parallel, the laminated plate is parallel to the bottom plate, a plurality of penetrating holes are formed in the laminated plate, a clamping mechanism arranged in the penetrating holes is provided with a clamping channel, and the clamping channel is used for the penetration arrangement of the colorimetric tubes. Through adjusting the clamping mechanism, the diameter of the clamping channel can be changed, so that the placing requirements of the colorimetric tubes with different diameters can be met, and the universality of the colorimetric tubes is improved.

Description

Colorimetric cylinder stand

Technical Field

The utility model relates to an experimental facilities technical field especially relates to a color comparison pipe support.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

The experimenter needs to use a large amount of color comparison pipe racks in daily experiments, is provided with the hole of wearing to establish on the colour comparison tube, and the colour comparison tube is pegged graft and is being worn to establish downtheholely to realize placing of colour comparison tube.

Among the prior art, the aperture of the hole of wearing to establish on the color comparison pipe support is fixed, can't satisfy the demand of placing of the colour comparison tube of different diameters to lead to the commonality of color comparison pipe support poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving at least the problem that the commonality is poor because the aperture of wearing to establish the hole is fixed and leads to the color comparison pipe support. The purpose is realized by the following technical scheme:

the utility model provides a color comparison pipe support, the color comparison pipe support includes:

a base plate;

a first side plate disposed on the base plate;

the second side plate is arranged on the bottom plate, and the second side plate and the first side plate are arranged on the same side of the bottom plate at intervals in parallel;

the plywood, the plywood with bottom plate parallel interval sets up, one side of plywood with the cooperation of first curb plate, the opposite side of plywood with the cooperation of second curb plate, the equipartition has a plurality of wearing holes on the first curb plate, wear to set up in the hole and have the card of holding the card and hold the mechanism of holding the passageway, the diameter of holding the passageway is adjustable.

According to the utility model discloses a color comparison pipe support, first curb plate and the parallel interval setting of second curb plate are in the homonymy of bottom plate, the plywood respectively with first curb plate and the cooperation of second curb plate to parallel with the bottom plate, be provided with a plurality of holes of wearing to establish on the plywood, be equipped with the card on the card that wears to establish downthehole setting and hold the passageway in the card mechanism, should hold the passageway and be used for wearing to establish of colour comparison tube and place. Through adjusting the clamping mechanism, the diameter of the clamping channel can be changed, so that the placing requirements of the colorimetric tubes with different diameters can be met, and the universality of the colorimetric tubes is improved.

Additionally, according to the utility model discloses a color comparison pipe support still can have following additional technical characterstic:

in some embodiments of the present invention, the retaining mechanism comprises:

the first clamping piece is movably arranged on the laminate;

the second clamping piece is movably arranged on the laminate and arranged opposite to the first clamping piece;

the first elastic piece is respectively matched with the laminated plate and the first clamping piece so that the first clamping piece is close to the second clamping piece;

and the second elastic piece is respectively matched with the laminated plate and the second clamping piece so as to enable the second clamping piece to be close to the first clamping piece.

In some embodiments of the present invention, the laminate is provided with a first holding cavity communicated with the through hole, the first clamping member includes a first body, a second body and a third body connected in sequence, the first body is disposed in the first holding cavity, the third body is disposed in the through hole, the first elastic member is disposed in the first holding cavity, the first elastic member is respectively engaged with the first holding cavity and the first body, and the elastic force of the first elastic member makes the third body close to the second clamping member.

In some embodiments of the present invention, the clamping mechanism further includes a first limiting member having a first through hole, the first limiting member is disposed at a connection between the first accommodating chamber and the through hole, the second body passes through the first through hole, and a diameter of the first through hole is smaller than an outer diameter of the first body;

and/or the first elastic member is a first spring.

In some embodiments of the present invention, the third body faces the end face of the second clamping member and is a first concave arc face, and the third body and the second clamping member form the clamping passage therebetween.

In some embodiments of the present invention, the laminate further includes a second holding cavity communicating with the through hole, the second holding member includes a fourth body, a fifth body and a sixth body connected in sequence, the fourth body is disposed in the second holding cavity, the sixth body is disposed outside the through hole, the second elastic member is disposed in the second holding cavity, the second elastic member is respectively engaged with the second holding cavity and the fourth body, and the elastic force of the second elastic member makes the sixth body close to the first holding member.

In some embodiments of the present invention, the clamping mechanism further includes a second limiting member having a second through hole, the second limiting member is disposed at a connection between the second accommodating chamber and the through hole, the fifth body passes through the second through hole, and a diameter of the second through hole is smaller than an outer diameter of the fourth body;

and/or the second elastic member is a second spring.

In some embodiments of the present invention, the end surface of the sixth body facing the first clamping member is a second concave arc surface, and the sixth body and the first clamping member form the clamping passage therebetween.

In some embodiments of the present invention, the number of the laminates is two, and two of the laminates are spaced apart from each other.

In some embodiments of the present invention, the cuvette holder further comprises a first handle, the first handle being rotatably disposed on the first side plate;

and/or the cuvette holder further comprises a second handle, and the second handle is rotatably arranged on the second side plate.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

figure 1 schematically illustrates a schematic structural view of a cuvette holder according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of section A of the cuvette holder shown in FIG. 1;

FIG. 3 is a schematic view of the cuvette holder shown in FIG. 1 from another perspective;

FIG. 4 is a cross-sectional view B-B of the cuvette holder shown in FIG. 3;

fig. 5 is an enlarged schematic view of the part C of the cuvette holder shown in fig. 4.

The reference numbers are as follows:

100 is a colorimetric tube stand;

10 is a bottom plate;

20 is a first side plate;

30 is a second side plate;

40 is a laminate, 41 is a through hole, 42 is a clamping mechanism, 421 is a clamping passage, 422 is a first clamping member, 4221 is a third body, 4222 is a second body, 4223 is a first body, 423 is a first elastic member, 424 is a second clamping member, 4241 is a sixth body, 4242 is a fifth body, 4243 is a fourth body, 425 is a second elastic member, 426 is a first limiting member, 427 is a second limiting member, 43 is a first cavity, and 44 is a second cavity;

50 is a first handle;

and 60 is a second handle.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 5, according to the utility model discloses an embodiment, a color comparison pipe support 100 is proposed, color comparison pipe support 100 includes bottom plate 10, first curb plate 20, second curb plate 30 and plywood 40, first curb plate 20 sets up on bottom plate 10, second curb plate 30 sets up the homonymy at bottom plate 10 with the parallel interval of first curb plate 20, plywood 40 sets up with the parallel interval of bottom plate 10, one side and the cooperation of first curb plate 20 of plywood 40, the opposite side and the cooperation of second curb plate 30 of plywood 40, the equipartition has a plurality of wearing holes 41 on the first curb plate 20, set up in wearing hole 41 and have the card of holding the mechanism 42 of holding the card of holding passageway 421, the diameter of holding the passageway 421 is adjustable.

Specifically, the first side plate 20 and the second side plate 30 are arranged on the same side of the bottom plate 10 at intervals in parallel, the layer plate 40 is respectively matched with the first side plate 20 and the second side plate 30 and is parallel to the bottom plate 10, a plurality of through holes 41 are arranged on the layer plate 40, a clamping passage 421 is arranged on a clamping mechanism 42 arranged in the through holes 41, and the clamping passage 421 is used for placing the colorimetric tubes in a penetrating manner. By adjusting the clamping mechanism 42, the diameter of the clamping channel 421 can be changed, so that the placing requirements of cuvettes with different diameters can be met, and the universality of the cuvette is improved.

It should be understood that, when placing the cuvette, the cuvette is inserted through the retaining channel 421, and the retaining mechanism 42 is retained outside the cuvette, so as to place the cuvette, and when placing cuvettes of different diameters, the retaining mechanism 42 is adjusted, so as to change the diameter of the retaining channel 421, thereby satisfying the placing requirement of cuvettes of different diameters.

It should be noted that a plurality of through holes 41 are uniformly distributed on the laminate 40, and each through hole 41 is provided with a holding mechanism 42, so that the requirement of simultaneously placing cuvettes with different diameters can be met.

In addition, one end of the laminate 40 is movably disposed on the first side plate 20 (a first slide is disposed on the first side plate 20, a first slide seat is disposed at the end of the laminate 40 connected to the first side plate 20, a first locking screw is disposed on the first slide seat and used for fixing the relative position of the first slide seat and the first slide seat), the other end of the laminate 40 is movably disposed on the second side plate 30 (a second slide is disposed on the second side plate 30, a second slide seat is disposed at the end of the laminate 40 connected to the second side plate 30, a second locking screw is disposed on the second slide seat and used for fixing the relative position of the second slide seat and the second slide seat), and the laminate 40 can move relative to the base plate 10, so that the placing requirements of the colorimetric tubes with different lengths are met.

It is further understood that the retaining mechanism 42 includes a first retaining member 422, a first elastic member 423 and a second elastic member 425, the first retaining member 422 is movably disposed on the layer board 40, the second retaining member 424 is disposed opposite to the first retaining member 422, the first elastic member 423 is respectively engaged with the layer board 40 and the first retaining member 422, so that the first retaining member 422 is disposed adjacent to the second retaining member 424, and the second elastic member 425 is respectively engaged with the layer board 40 and the second retaining member 424, so that the second retaining member 424 is disposed adjacent to the first retaining member 422. Specifically, the first retaining member 422 and the second retaining member 424 are oppositely disposed in the through hole 41, and a retaining channel 421 is formed between the first retaining member 422 and the second retaining member 424, wherein the elastic force of the first elastic member 423 and the elastic force of the second elastic member 425 respectively enable the first retaining member 422 and the second retaining member 424 to be disposed close to each other, at this time, the diameter of the retaining channel 421 formed between the first retaining member 422 and the second retaining member 424 is smaller to meet the requirement for placing a small-diameter cuvette, when a large-diameter cuvette needs to be placed, one end of the large-diameter cuvette abuts against the port of the retaining channel 421, the large-diameter cuvette is pressed downward, the first retaining member 422 and the second retaining member 424 move in opposite directions, the first elastic member 423 and the second elastic member 425 both elastically deform, the diameter of the retaining channel 421 increases, and the large-diameter cuvette can be inserted into the retaining channel 421, the first clamping member 422 and the second clamping member 424 are respectively abutted against the outer side of the large-diameter colorimetric tube, so that the large-diameter colorimetric tube is placed. When the large-diameter cuvette is taken out, the first elastic member 423 restores elastic deformation to restore the first retaining member 422, and the second elastic member 425 restores elastic deformation to restore the second retaining member 424. The clamping mechanism 42 can realize automatic adjustment of the change of the clamping channel 421, and improves the use convenience.

Further, a first accommodating cavity 43 communicated with the through hole 41 is formed in the laminate 40, the first clamping member 422 comprises a first body 4223, a second body 4222 and a third body 4221 which are sequentially connected, the first body 4223 is arranged in the first accommodating cavity 43, the third body 4221 is arranged in the outer through hole 41, a first elastic member 423 is arranged in the first accommodating cavity 43, the first elastic member 423 is respectively matched with the first accommodating cavity 43 and the first body 4223, and the third body 4221 is close to the second clamping member 424 due to the elastic force of the first elastic member 423. Specifically, the first cavity 43 is disposed in the laminate 40 and is communicated with the hole wall of the through hole 41, the first body 4223 is movably disposed in the first cavity 43 and is matched with the first elastic member 423, the third body 4221 is disposed in the through hole 41, the second body 4222 connects the first body 4223 and the third body 4221, and the third body 4221 and the second retaining member 424 form a retaining channel 421 for retaining the colorimetric tube. When major diameter colour comparison tube inserted and held the card and hold passageway 421, third body 4221 removes to the pore wall direction that is close to worn to establish hole 41, and first body 4223 drive first elastic component 423 takes place elastic deformation, and the reaction force of first elastic component 423 makes third body 4221 support and leans on the colour comparison tube to improve the stability that the colour comparison tube was placed, avoided the colour comparison tube to empty the condition that leads to the experiment failure.

Further, the retaining mechanism 42 further includes a first limiting member 426 having a first through hole, the first limiting member 426 is disposed at a connection position of the first accommodating cavity 43 and the through hole 41, the second body 4222 passes through the first through hole, and a diameter of the first through hole is smaller than an outer diameter of the first body 4223. Specifically, the first limiting member 426 is disposed at a communication position between the first cavity 43 and the through hole 41, the second body 4222 passes through the first limiting member 426 through the first through hole, the first body 4223 and the third body 4221 are respectively located at two sides of the first limiting member 426, that is, the first body 4223 is located in the first cavity 43, and the third body 4221 is located in the through hole 41, because the diameter of the first through hole is smaller than the outer diameter of the first body 4223, the first body 4223 is limited in the first cavity 43, so that the situation that the first body 4223 is removed from the first cavity 43 to cause the failure of the retaining mechanism 42 is avoided.

Specifically, the first elastic member 423 is a first spring. One end of the first spring is abutted against the bottom surface of the first accommodating cavity 43, the other end of the first spring is abutted against the first body 4223, when the first body 4223 moves towards the bottom surface of the first accommodating cavity 43, the first spring elastically deforms, the reaction force of the first spring is transmitted to the third body 4221 through the first body 4223 and the second body 4222, so that the third body 4221 is abutted against the colorimetric tube, the colorimetric tube is clamped, and the placing stability of the colorimetric tube is effectively improved.

Further, an end surface of the third body 4221 facing the second retaining member 424 is a first concave arc surface, and a retaining passage 421 is formed between the third body 4221 and the second retaining member 424. When the colour comparison tube was placed, first concave cambered surface butt on the surface of colour comparison tube, can further increase the area of contact of third body 4221 with the colour comparison tube through setting up first concave cambered surface to further improved the intensity of contrast colour comparison tube card, made the stability of colour comparison tube effectively promoted.

Further, a second accommodating cavity 44 communicated with the through hole 41 is further formed in the laminate 40, the second retaining member 424 includes a fourth body 4243, a fifth body 4242 and a sixth body 4241 which are sequentially connected, the fourth body 4243 is arranged in the second accommodating cavity 44, the sixth body 4241 is arranged in the outer through hole 41, the second elastic member 425 is arranged in the second accommodating cavity 44, the second elastic member 425 is respectively matched with the second accommodating cavity 44 and the fourth body 4243, and the elastic force of the second elastic member 425 enables the sixth body 4241 to be close to the first retaining member 422. Specifically, the second cavity 44 is provided in the laminate 40 and is communicated with the hole wall of the through hole 41, the fourth body 4243 is movably disposed in the second cavity 44 and is matched with the second elastic member 425, the sixth body 4241 is disposed in the through hole 41, the fifth body 4242 connects the fourth body 4243 with the sixth body 4241, and the sixth body 4241 and the third body 4221 of the first retaining member 422 form a retaining channel 421 for retaining the colorimetric tube. When the major diameter colour comparison tube inserted and held the passageway 421, the sixth body 4241 moved to the pore wall direction that is close to the worn hole 41, and fourth body 4243 drive second elastic component 425 takes place elastic deformation, and the reaction force of second elastic component 425 makes the sixth body 4241 support and leans on the colour comparison tube to improve the stability that the colour comparison tube placed, avoided the colour comparison tube to empty the condition that leads to the experiment failure.

Further, the retaining mechanism 42 further includes a second limiting member 427 having a second through hole, the second limiting member 427 is disposed at a connection position of the second cavity 44 and the through hole 41, the fifth body 4242 passes through the second through hole, and a diameter of the second through hole is smaller than an outer diameter of the fourth body 4243. Specifically, the second limiting member 427 is disposed at a communication position between the second cavity 44 and the through hole 41, the fifth body 4242 passes through the second limiting member 427 through the second through hole, the fourth body 4243 and the sixth body 4241 are respectively located at two sides of the second limiting member 427, that is, the fourth body 4243 is located in the second cavity 44, and the sixth body 4241 is located in the through hole 41, because the diameter of the second through hole is smaller than the outer diameter of the fourth body 4243, the fourth body 4243 is limited in the second cavity 44, so that the situation that the clamping mechanism 42 fails due to the fact that the fourth body 4243 is pulled out of the second cavity 44 is avoided.

Specifically, the second elastic member 425 is a second spring, one end of the second spring abuts against the bottom surface of the second cavity 44, the other end of the second spring abuts against the fourth body 4243, when the fourth body 4243 moves towards the bottom surface of the first cavity 43, the second spring elastically deforms, a reaction force of the second spring is transmitted to the sixth body 4241 through the fourth body 4243 and the fifth body 4242, so that the sixth body 4241 abuts against the cuvette, and the cuvette is clamped, and the placing stability of the cuvette is effectively improved.

Further, an end surface of the sixth body 4241 facing the first retaining member 422 is a second concave arc surface, and a retaining passage 421 is formed between the sixth body 4241 and the first retaining member 422. When the colour comparison tube was placed, the concave cambered surface butt of second was on the surface of colour comparison tube, can further increase the area of contact of sixth body 4241 and colour comparison tube through setting up the concave cambered surface of second to further improved the intensity of contrast colour comparison tube card, made the stability of colour comparison tube effectively promoted.

Further, the number of the plates 40 is two, and the two plates 40 are arranged at intervals. Specifically, two plywoods 40 are arranged at intervals, the through holes 41 on the two plywoods 40 are arranged in a one-to-one correspondence manner, and when the colorimetric tube is placed, the colorimetric tube needs to pass through the clamping mechanisms 42 in the two through holes 41, so that the placing stability of the colorimetric tube is further improved.

Further, the cuvette holder 100 further includes a first handle 50, and the first handle 50 is rotatably disposed on the first side panel 20. Specifically, the first handle 50 is disposed on the first side plate 20 through the first mounting seat, and the first handle 50 is disposed to facilitate taking and placing of the contrast color pipe rack 100 in the using process, so that convenience in the using process is improved.

Specifically, the cuvette holder 100 further includes a second handle 60, the second handle 60 being rotatably disposed on the second side panel 30. Specifically, the first handle 50 is disposed on the first side plate 20 through the first mounting seat, and the first handle 50 is disposed to facilitate taking and placing of the contrast color pipe rack 100 in the using process, so that convenience in the using process is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A cuvette holder, characterized in that the cuvette holder comprises:

a base plate;

a first side plate disposed on the base plate;

the second side plate is arranged on the bottom plate, and the second side plate and the first side plate are arranged on the same side of the bottom plate at intervals in parallel;

the plywood, the plywood with bottom plate parallel interval sets up, one side of plywood with the cooperation of first curb plate, the opposite side of plywood with the cooperation of second curb plate, the equipartition has a plurality of wearing holes on the first curb plate, wear to set up in the hole and have the card of holding the card and hold the mechanism of holding the passageway, the diameter of holding the passageway is adjustable.

2. The cuvette holder according to claim 1, wherein the retaining mechanism comprises:

the first clamping piece is movably arranged on the laminate;

the second clamping piece is movably arranged on the laminate and arranged opposite to the first clamping piece;

the first elastic piece is respectively matched with the laminated plate and the first clamping piece so that the first clamping piece is close to the second clamping piece;

and the second elastic piece is respectively matched with the laminated plate and the second clamping piece so as to enable the second clamping piece to be close to the first clamping piece.

3. The colorimetric tube stand according to claim 2, wherein a first holding cavity communicated with the through hole is formed in the laminate, the first holding member includes a first body, a second body and a third body which are sequentially connected, the first body is disposed in the first holding cavity, the third body is disposed in the through hole, the first elastic member is disposed in the first holding cavity, the first elastic member is respectively engaged with the first holding cavity and the first body, and the elastic force of the first elastic member makes the third body close to the second holding member.

4. The cuvette holder according to claim 3, wherein the retaining mechanism further comprises a first stopper having a first through hole, the first stopper is disposed at a junction between the first cavity and the through hole, the second body passes through the first through hole, and a diameter of the first through hole is smaller than an outer diameter of the first body;

and/or the first elastic member is a first spring.

5. The colorimetric tube holder according to claim 3, wherein an end surface of the third body facing the second retaining member is a first concave arc surface, and the retaining channel is formed between the third body and the second retaining member.

6. The colorimetric tube stand according to claim 2, wherein a second holding cavity communicated with the through hole is further disposed on the laminate, the second retaining member includes a fourth body, a fifth body and a sixth body which are sequentially connected, the fourth body is disposed in the second holding cavity, the sixth body is disposed outside the through hole, the second elastic member is disposed in the second holding cavity, the second elastic member is respectively engaged with the second holding cavity and the fourth body, and an elastic force of the second elastic member makes the sixth body close to the first retaining member.

7. The cuvette holder according to claim 6, wherein the retaining mechanism further comprises a second stopper having a second through hole, the second stopper is disposed at a junction between the second cavity and the through hole, the fifth body passes through the second through hole, and a diameter of the second through hole is smaller than an outer diameter of the fourth body;

and/or the second elastic member is a second spring.

8. The cuvette holder according to claim 6, wherein an end surface of the sixth body facing the first retaining member is a second concave arc surface, and the retaining channel is formed between the sixth body and the first retaining member.

9. A cuvette holder according to any of claims 1 to 8, wherein the number of laminae is two, the laminae being spaced apart.

10. The cuvette holder according to any one of claims 1 to 8, further comprising a first handle rotatably disposed on the first side panel;

and/or the cuvette holder further comprises a second handle, and the second handle is rotatably arranged on the second side plate.

Images