CN211235519U

CN211235519U - Ultraviolet-visible spectrophotometer

Info

Publication number: CN211235519U
Application number: CN201922074814.0U
Authority: CN
Inventors: 王嬉巧; 黄仁辉; 张犇
Original assignee: Taizhou Lvshuiqingshan Environmental Technology Co ltd
Current assignee: Taizhou Lvshuiqingshan Environmental Technology Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-08-11
Anticipated expiration: 2029-11-27

Abstract

The utility model relates to an ultraviolet visible spectrophotometer, it includes body and cell, this internal detection room that is equipped with, the one side that just is located the detection room on the body is equipped with the panel, the cell includes the bottom surface, two printing opacity faces and two frosting, be equipped with the rack in the detection room, be equipped with the caulking groove that is used for placing the cell on the rack, the caulking groove runs through the rack along the direction of parallel frosting, be equipped with two draw-in grooves on the lateral wall of caulking groove both sides respectively, two draw-in grooves are located the both sides of cell, and the draw-in groove upwards runs through the rack along vertical direction, the embedded fastener that is equipped with of draw-in groove, the fastener is U-shaped and the opening downwards, the fastener is used. The utility model discloses having the cell and placing in the caulking groove, the lateral wall butt frosting of caulking groove both sides, the fastener butt printing opacity face of cell both sides realizes the position of fixed cell in the caulking groove, avoids the cell to leap up in the caulking groove and moves, guarantees the stability that detects, is favorable to improving the effect of the accuracy of detection and analysis result.

Description

Ultraviolet-visible spectrophotometer

Technical Field

The utility model belongs to the technical field of the technique of photometer and specifically relates to a UV-visible spectrophotometer is related to.

Background

The types of instruments for photometric detection using cuvettes are mainly: ultraviolet-visible spectrophotometers and fluorescence spectrophotometers. The ultraviolet-visible spectrophotometer is an effective means for researching the components, the structure and the interaction among substances according to the absorption spectrum of the substances, and can realize quantitative analysis according to the Lambert-beer law.

The current chinese patent that bulletin number is CN206515229U discloses a spectrophotometer, and it includes photometer body and cell, the cell has two and is the relative photic surface that sets up and two frosting that are relative setting, this internal draw-in groove that is used for the inlay card cell that is provided with of photometer, is provided with the testing light source in one side of draw-in groove, and the opposite side of draw-in groove is provided with the detector, and photometer body upper surface is provided with the display that shows detector testing result.

When detecting the sample, the cell inlay card is in the draw-in groove, and its two frosting face are inconsistent with the lateral wall of draw-in groove, and its two light transmission faces are towards detecting light source, detector respectively.

The above prior art solutions have the following drawbacks: only two frosting surfaces on the cuvette respectively abut against the side walls of the clamping grooves, so that in the instrument detection process, the cuvette possibly moves along the extending direction of the clamping grooves, the detection stability is influenced, and the detection analysis result is further influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide an ultraviolet visible spectrophotometer, the cell is placed in the caulking groove, and the both ends that are located the cell in the caulking groove are equipped with the fastener respectively, and the fastener has and is used for non-light tight opening and links firmly the lateral wall of caulking groove, realizes the position of fixed cell in the caulking groove, avoids the cell to leap up in the caulking groove, guarantees the stability that detects, is favorable to improving the accuracy of detection analysis result.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an ultraviolet-visible spectrophotometer comprises a body and a cuvette, wherein a detection chamber is arranged in the body, a panel is arranged on the body and positioned on one side of the detection chamber, a light source and a receiver are respectively arranged on two opposite side walls of the detection chamber, the cuvette comprises a bottom surface, two light transmission surfaces oppositely arranged on the bottom surface and two frosted surfaces oppositely arranged on the bottom surface, a placing frame is arranged in the detection chamber, a caulking groove for placing the cuvette is arranged on the placing frame, the caulking groove penetrates through the placing frame along the direction parallel to the frosted surfaces, two clamping grooves are respectively arranged on the side walls on the two sides of the caulking groove and are respectively positioned on the two sides of the frosted surfaces, the clamping grooves upwards penetrate through the placing frame along the vertical direction, clamping pieces are embedded in the clamping grooves, the clamping pieces are U-shaped and have downward openings, and are used for abutting against the light transmission surfaces of, and the U-shaped opening of the clamping piece is used for transmitting light.

Through adopting above-mentioned technical scheme, the cell is placed in the caulking groove, and the lateral wall butt frosting of caulking groove both sides, the fastener butt light-transmitting surface of cell both sides realize the position of fixed cell in the caulking groove, avoid the cell to leap up in the caulking groove and move, guarantee the stability that detects, are favorable to improving the accuracy of detection and analysis result.

The present invention may be further configured in a preferred embodiment as: the side wall of the caulking groove is provided with a plurality of clamping grooves at intervals along the direction perpendicular to the light-transmitting surface.

Through adopting above-mentioned technical scheme, realize adjusting the position of cell in the caulking groove, but the cell of the different specifications of adaptation simultaneously refers in particular to the cell that two light-transmitting surfaces interval are different.

The present invention may be further configured in a preferred embodiment as: the upper end of fastener and the upper end parallel and level of rack, the upper end of fastener extends the gib block, the upper end of gib block inclines to the direction that is kept away from the cell.

Through adopting above-mentioned technical scheme, when placing the cell, its bottom surface contact guide bar's terminal surface to along the guide bar downward slip inlay establish to between two fastener.

The present invention may be further configured in a preferred embodiment as: there is the interval lower extreme of draw-in groove and the bottom of caulking groove, the lower extreme butt draw-in groove of fastener, the lower extreme of fastener extends there is the shell fragment, the shell fragment is C shape and its opening deviates from the cell, there is the interval lower extreme of shell fragment and the bottom of caulking groove.

Through adopting above-mentioned technical scheme, utilize the shell fragment further to support tight cell, realize the position of fixed cell in the caulking groove.

The present invention may be further configured in a preferred embodiment as: the sand-grinding device is characterized in that a plurality of caulking grooves are arranged on the placing frame at intervals along the direction perpendicular to the sand-grinding surface, the detection chamber is provided with a guide rod perpendicular to the sand-grinding surface, the placing frame is provided with a guide groove, and the guide groove is sleeved on the guide rod in a sliding mode.

Through adopting above-mentioned technical scheme, a batch of sample usually need detect many times to improve the accuracy of testing result, a plurality of cuvettes can once only be placed in a plurality of caulking grooves simultaneously, and the rack that slides afterwards makes a certain caulking groove just to the light source, is favorable to improving detection efficiency.

The present invention may be further configured in a preferred embodiment as: the detection chamber is also internally provided with a screw rod parallel to the guide rod, one end of the screw rod extends out of the body, and the placing frame is sleeved on the screw rod and forms a screw rod pair.

Through adopting above-mentioned technical scheme, the body is stretched out to the one end of screw rod, need not to open the detection room, can realize the slip of rack, is favorable to improving detection efficiency.

The present invention may be further configured in a preferred embodiment as: and a hand wheel is arranged at one end of the screw rod, which extends out of the body.

Through adopting above-mentioned technical scheme, the personnel of being convenient for rotate the screw rod and slide in order to drive the rack.

The present invention may be further configured in a preferred embodiment as: the positioning device is characterized in that a positioning assembly is arranged between the guide rod and the placing frame, positioning holes are formed in the guide rod, springs and positioning balls are embedded in the positioning holes in a sliding mode, the springs enable the positioning balls to have the tendency of being separated from the positioning holes, a plurality of positioning grooves are formed in the side wall of the guide groove and axially spaced from the side wall of the guide groove, the positioning grooves correspond to the clamping grooves one to one, the positioning grooves are used for embedding the positioning balls, and the positioning balls are embedded into the positioning grooves when one is located in the positioning grooves, the light sources are opposite to one.

By adopting the technical scheme, when the placing frame is slid, when a positioning groove slides to be opposite to the positioning hole, the positioning ball is embedded into the positioning groove under the pushing of the spring, so that an embedding groove is opposite to the light source, after the detection of a sample in the embedding groove (in a cuvette) is finished, the placing frame is continuously slid, and the side wall of the positioning groove pushes the positioning ball to extrude the spring; then another constant head tank slides to just facing the locating hole, and the location ball inlays under the promotion of spring and establishes to this constant head tank, and at this moment, the sliding resistance of rack obviously increases, stops to slide the rack for another caulking groove is just facing the light source, in order to accomplish the detection of this caulking groove in (in the cell) sample.

The present invention may be further configured in a preferred embodiment as: and a round angle is arranged between the frosting surface and the bottom surface.

Through adopting above-mentioned technical scheme, when placing the cell in the caulking groove, fillet butt caulking groove and direction bottom surface inlay establish to the caulking groove in, simultaneously, when placing the cell on the desktop, bottom surface contact desktop, the fillet utilizes frosting one side to topple over and contact the desktop, avoids the printing opacity face to contact the desktop, avoids polluting the printing opacity face, guarantees the use reliability of printing opacity face.

To sum up, the utility model discloses a following at least one useful technological effect:

the cuvette is placed in the caulking groove, the side walls on the two sides of the caulking groove are abutted to the frosted surface, the clamping pieces on the two sides of the cuvette are abutted to the light transmission surface, the position of the cuvette in the caulking groove is fixed, the cuvette is prevented from jumping in the caulking groove, the detection stability is ensured, and the accuracy of detection and analysis results is improved;

clamping grooves are formed in the direction parallel to the frosting surface at intervals, the clamping pieces are matched, the position of the cuvette in the embedding groove is adjusted, and meanwhile, the cuvette can be adapted to cuvettes with different specifications, particularly cuvettes with different light transmission surface distances;

along the caulking groove that perpendicular frosting direction interval set up, cooperation guide bar, screw rod are convenient for short-term test the sample in a plurality of cuvettes.

Drawings

Fig. 1 is a schematic structural view of the whole.

FIG. 2 is a schematic diagram of the structure of the cuvette.

Fig. 3 is a schematic structural view of the rack.

Fig. 4 is a schematic structural view of the card slot.

Fig. 5 is a schematic view of the construction of the card member.

Fig. 6 is a schematic structural view of the positioning assembly.

Fig. 7 is a partially enlarged schematic view of a portion a in fig. 6.

Fig. 8 is a schematic structural view of a positioning groove.

In the figure, 1, a body; 11. a detection chamber; 12. a panel; 13. a guide bar; 131. positioning holes; 14. a screw; 15. a hand wheel; 2. a cuvette; 21. a bottom surface; 22. a light-transmitting surface; 23. sanding surface; 24. round corners; 3. placing a rack; 31. caulking grooves; 32. a guide groove; 321. positioning a groove; 33. a card slot; 34. a fastener; 35. a guide strip; 36. a spring plate; 4. a positioning assembly; 41. a spring; 42. and a positioning ball.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an ultraviolet visible spectrophotometer, including body 1 and cell 2, this internal detection room 11 that is equipped with of body 1, the one side that just is located detection room 11 on body 1 is equipped with panel 12, be equipped with the light source on the relative both sides wall of detection room 11 respectively (being equivalent to the detection light source in the contrast file), the receiver (being equivalent to the detector in the contrast file), detection room 11 internal level is equipped with rack 3 that is used for placing cell 2, equipment during operation, cell 2 that is equipped with sample liquid is placed on rack 3, and make cell 2 just to the light source, close detection room 11, utilize panel 12 adjusting device parameter and show the testing result on panel 12.

Referring to fig. 2 and 3, the cuvette 2 includes a bottom surface 21, two light-transmitting surfaces 22 oppositely disposed on the bottom surface 21, and two frosting surfaces 23 oppositely disposed on the bottom surface 21, five caulking grooves 31 are disposed on the rack 3 at intervals along a direction perpendicular to the frosting surfaces 23, a fillet 24 is disposed between the frosting surfaces 23 and the bottom surface 21, so that the cuvette 2 can be conveniently placed in the caulking grooves 31, and make the lateral wall butt frosting 23 of caulking groove 31, caulking groove 31 runs through rack 3 along the 23 directions of parallel frosting, be equipped with the guide bar 13 of two perpendicular frosting 23 in the detection room 11 side by side, the lower extreme of rack 3 is equipped with the guide way 32 that is used for sliding sleeve to cup joint guide bar 13, still rotate the screw rod 14 that is equipped with parallel guide bar 13 on the body 1, screw rod 14 stretches into in the detection room 11 and is located between two guide bars 13, body 1 and hand wheel 15 have been linked firmly to one end of screw rod 14, rack 3 cup joints on screw rod 14 and constitutes the lead screw pair.

A batch of samples usually need detect many times, with the accuracy that improves the testing result, five cuvettes 2 can hold same batch of samples, and once only place in five caulking grooves 31, close detection room 11 afterwards, utilize hand wheel 15 to rotate screw rod 14, slide along guide bar 13 with drive rack 3, realize that the different caulking grooves 31 of adjustment are just to the light source, different cuvettes 2 are just to the light source promptly, avoid opening and close detection room 11 repeatedly and take, place cuvette 2, be favorable to improving detection efficiency.

Referring to fig. 4 and 5, be equipped with a plurality of draw-in grooves 33 in the caulking groove 31 and being located its lateral wall, draw-in groove 33 is along the direction interval distribution of parallel frosting 23, and there are three kinds of sizes in the distance between adjacent draw-in groove 33, cuvette 2 with the multiple specification of adaptation, draw-in groove 33 upwards runs through rack 3 along vertical direction, and draw-in groove 33 perpendicular frosting 23 direction runs through rack 3, there is the interval between the bottom of draw-in groove 33 and the bottom of caulking groove 31, it is equipped with fastener 34 that is the U-shaped to inlay along vertical direction slip in draw-in groove 33, the U-shaped opening is inserted downwards in caulking groove 31, the bottom of lower extreme butt draw-in groove 33 of fastener 34, the upper end of fastener 34 extends to the guide strip 35 that deviates from the slope of cuvette 2 direction, the lower extreme of fastener 34 extends to have the shell fragment 36 that is.

When placing

cell

2, 21 butt guide strip 35 of its bottom surface, and inlay along guide strip 35 lapse and establish to between two fastener 34, its fillet 24 butt caulking groove 31 and guide cell 2 inlay and establish to the caulking groove 31 in, shell fragment 36 supports tight light-transmitting surface 22 afterwards, the caulking groove 31 of cooperation butt frosted surface 23, realize the position of fixed cell 2 in caulking groove 31, the in-process of slip rack 3, avoid cell 2 to leap up in caulking groove 31, guarantee the stability that detects, be favorable to improving the accuracy of detection analysis result.

Referring to fig. 6 and 7, a positioning assembly 4 is further arranged between the guide rod 13 and the rack 3, the guide rod 13 is provided with positioning holes 131, springs 41 and positioning balls 42 are slidably inserted into the positioning holes 131, referring to fig. 5 and 7, positioning grooves 321 for the positioning balls 42 of the insertion grooves 31 are arranged on the side walls of the guide groove 32, referring to fig. 8, five positioning grooves 321 are axially arranged along the guide groove 32 and correspond to the clamping grooves 33 one by one, when the rack 3 is driven by the hand wheel 15 and the screw 14 to slide along the guide rod 13, and when a certain positioning groove 321 slides to be opposite to the positioning hole 131, the positioning ball 42 is inserted into the positioning groove 321 under the pushing of the spring 41, so that the certain insertion groove 31 is opposite to the light source to detect the sample in the insertion groove 31 (in the cuvette 2), after the detection is completed, the rack 3 continues to slide, and the side walls of the positioning grooves 321 push; then, another positioning groove 321 slides to face the positioning hole 131, the positioning ball 42 is inserted into the positioning groove 321 under the pushing of the spring 41, at this time, the sliding resistance of the rack 3 is obviously increased, and the person stops sliding the rack 3, so that another insertion groove 31 faces the light source, and the detection of the sample in the insertion groove 31 (in the cuvette 2) is completed.

The implementation principle of the embodiment is as follows: be equipped with five caulking grooves 31 on the rack 3, the cell 2 is placed in caulking groove 31, the lateral wall butt frosting 23 of caulking groove 31 both sides, the 34 butt light-transmitting surfaces 22 of fastener of cell 2 both sides, realize the position of fixed cell 2 in caulking groove 31, avoid cell 2 to leap up in caulking groove 31 and move, guarantee the stability that detects, be favorable to improving the accuracy of detection and analysis result, and simultaneously, utilize 14 drive racks of screw rod 3 to slide along guide bar 13, cooperation locating component 4, five cells 2 can hold same batch of sample, and once only place in five caulking grooves 31, be favorable to improving detection efficiency.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an ultraviolet visible spectrophotometer, includes body (1) and cell (2), be equipped with detection room (11) in body (1), one side that just is located detection room (11) on body (1) is equipped with panel (12), be equipped with light source, receiver on the relative both sides wall of detection room (11) respectively, cell (2) include bottom surface (21), two locate light-permeable surface (22) on bottom surface (21) relatively and two locate frosting (23) on bottom surface (21) relatively, its characterized in that: be equipped with rack (3) in detection room (11), be equipped with caulking groove (31) that are used for placing cell (2) on rack (3), caulking groove (31) are followed the direction of parallel frosting (23) and are run through rack (3), be equipped with two draw-in grooves (33) on the lateral wall of caulking groove (31) both sides respectively, two draw-in groove (33) are located the both sides of frosting (23) respectively, just draw-in groove (33) upwards run through rack (3) along vertical direction, the embedded fastener (34) that is equipped with of draw-in groove (33), fastener (34) are U-shaped and open side down, fastener (34) are used for printing opacity (22) of butt cell (2), just the U-shaped opening of fastener (34) is used for the printing opacity.

2. The uv-vis spectrophotometer according to claim 1, wherein: the side wall of the caulking groove (31) is provided with a plurality of clamping grooves (33) at intervals along the direction perpendicular to the light-transmitting surface (22).

3. The uv-vis spectrophotometer according to claim 1, wherein: the upper end of fastener (34) and the upper end parallel and level of rack (3), the upper end of fastener (34) extends gib block (35), the upper end of gib block (35) is to the direction slope that deviates from cell (2).

4. The uv-vis spectrophotometer according to claim 1, wherein: there is the interval lower extreme of draw-in groove (33) and the bottom of caulking groove (31), the lower extreme of lower extreme butt draw-in groove (33) of fastener (34), the lower extreme extension of fastener (34) has shell fragment (36), shell fragment (36) are C shape and its opening and deviate from cell (2), there is the interval lower extreme of shell fragment (36) and the bottom of caulking groove (31).

5. The uv-vis spectrophotometer according to claim 1, wherein: the sand-blasting machine is characterized in that a plurality of caulking grooves (31) are arranged on the placing frame (3) at intervals along the direction perpendicular to the sand-blasting surface (23), guide rods (13) perpendicular to the sand-blasting surface (23) are arranged in the detection chamber (11), guide grooves (32) are arranged on the placing frame (3), and the guide grooves (32) are slidably sleeved on the guide rods (13).

6. The uv-vis spectrophotometer according to claim 5, wherein: the detection device is characterized in that a screw (14) parallel to the guide rod (13) is further arranged in the detection chamber (11), one end of the screw (14) extends out of the body (1), and the placing frame (3) is sleeved on the screw (14) and forms a screw pair.

7. The uv-vis spectrophotometer according to claim 6, wherein: and a hand wheel (15) is arranged at one end of the screw rod (14) extending out of the body (1).

8. The uv-vis spectrophotometer according to claim 5, wherein: be equipped with locating component (4) between guide bar (13) and rack (3), be equipped with locating hole (131) on guide bar (13), sliding fit is equipped with spring (41) and location ball (42) in locating hole (131), spring (41) make location ball (42) have the trend that breaks away from locating hole (131), be equipped with a plurality of constant head tanks (321) on the lateral wall of guide way (32) and along its axial interval, constant head tank (321) and draw-in groove (33) one-to-one, constant head tank (321) are used for inlaying and establish location ball (42), just location ball (42) inlay and establish to one when in constant head tank (321), the light source is just to one caulking groove (31).

9. The uv-vis spectrophotometer according to claim 1, wherein: and a fillet (24) is arranged between the frosting surface (23) and the bottom surface (21).