Portable ultraviolet and visible spectrophotometer

Abstract

The utility model discloses a portable ultraviolet and visible spectrophotometer, which belongs to the field of photometers and comprises a bottom plate and a cover plate. The top of the bottom plate is fixedly connected with a spectrophotometer, the two ends of the rear side wall of the bottom plate are fixedly connected with the lower ends of the hinge shafts respectively, the bottom of the cover plate is fixedly connected with the upper ends of the hinge shafts, the left side and the right side of the bottom plate are provided with two functional assemblies respectively, and the functional assemblies are connected with the side wall of the cover plate. The rear outer wall of the cover plate is fixedly connected with a handle; the functional assembly comprises two U-shaped frames, one ends of the two U-shaped frames are fixedly connected to the two side walls of the bottom plate and the two side walls of the cover plate respectively, the inner wall of the U-shaped frame of the lower bottom plate is rotationally connected with a rotating shaft, the bottom of the rotating shaft is fixedly connected to one end of a threaded rod, and the outer wall of the threaded rod is in threaded connection with a locking piece.

Description

Technical Field

[0001] The utility model belongs to the field of photometers, and in particular relates to a portable ultraviolet-visible spectrophotometer. Background Art

[0002] UV-visible spectrophotometer is an instrument used to identify substances. The instrument used to measure the absorbance of the substance to be tested to visible light and conduct quantitative analysis is called a visible spectrophotometer; UV-visible spectrophotometer is an instrument used to measure the absorbance of the substance to be tested to visible light or ultraviolet light (200-760nm) and conduct quantitative analysis.

[0003] In the prior art, multi-light source UV-visible spectrophotometers are widely used. Although they are small in size, they lack a grip structure and need to be held with both hands, which is inconvenient to carry. In addition, during use, the bottom is easily affected by moisture, and the vibration of the bottom will affect the accuracy of the test data. Utility Model Content

[0004] In view of one or more of the above defects or improvement requirements in the prior art, the utility model provides a portable ultraviolet-visible spectrophotometer.

[0005] To achieve the above-mentioned purpose, the utility model provides a portable ultraviolet-visible spectrophotometer, comprising a bottom plate and a cover plate; the top of the bottom plate is fixedly connected with the spectrophotometer, the two ends of the rear side wall of the bottom plate are respectively fixedly connected with the lower end of the hinge shaft, the bottom of the cover plate is fixedly connected with the upper end of the hinge shaft, two functional components are respectively arranged on the left and right sides of the bottom plate, the functional components are connected with the side walls of the cover plate, a storage component is arranged on the front outer wall of the cover plate, and a handle is fixedly connected with the rear outer wall of the cover plate;

[0006] The functional component includes two U-shaped frames, one end of the two U-shaped frames are respectively fixedly connected to the two side walls of the base plate and the two side walls of the cover plate, the inner wall of the U-shaped frame of the lower base plate is rotatably connected with a rotating shaft, the bottom of the rotating shaft is fixedly connected to one end of a threaded rod, the outer wall of the threaded rod is threadedly connected with a locking plate, and the bottom of the threaded rod is fixedly connected with a foot pad.

[0007] The storage assembly includes a storage rack, the rear side of the storage rack is fixedly connected to the front side of the cover plate, the storage rack has four storage cavities inside, the top of the storage rack is provided with a pressure plate, the upper parts of the left and right outer walls of the storage rack are respectively fixedly connected with fixed blocks, the fixed blocks are triangular, the left and right sides of the pressure plate are respectively fixedly connected with fixed plates, the through holes are sleeved on the outer walls of the fixed blocks, the fixed plates are provided with through holes, the fixed blocks are located inside the through holes, the top of the pressure plate is provided with four sliding rods, the sliding rods slide through the pressure plate, the top of the sliding rods is fixedly connected with a block, the bottom of the block is fixedly connected to the upper end of the spring, the spring is sleeved on the outer wall of the sliding rod, the bottom end of the spring is fixedly connected to the top of the pressure plate, and the bottom of the sliding rod is fixedly connected with a rubber pressure plate.

[0008] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:

[0009] The portable ultraviolet-visible spectrophotometer of the utility model can realize the supporting function and the fixing function of the threaded rod by rotating the threaded rod and adjusting the position of the locking piece, thereby preventing the bottom of the spectrophotometer from being easily affected by moisture during use, and preventing the bottom vibration from affecting the accuracy of the detection data; when the cover plate is closed, the spectrophotometer can be lifted by the handle, thereby realizing the effect of being easy to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 This is a schematic diagram of the structure of an embodiment of the utility model after the cover plate is folded;

[0012] Figure 3 It is a schematic diagram of the disassembled structure of the storage component of the utility model.

[0013] In all the drawings, the same reference numerals represent the same technical features, specifically: 1. base plate; 2. cover plate; 3. spectrophotometer; 4. hinge shaft; 6. storage assembly; 61. storage rack; 62. storage cavity; 63. pressure plate; 64. fixing block; 65. fixing plate; 66. through hole; 67. sliding rod; 68. stopper; 69. spring; 610. rubber pressure plate; 7. functional assembly; 71. U-shaped frame; 72. rotating shaft; 73. threaded rod; 74. locking plate; 75. foot pad; 8. handle. DETAILED DESCRIPTION

[0014] Depend on Figure 1-3 Provided is a portable UV-visible spectrophotometer, comprising a bottom plate 1 and a cover plate 2, a spectrophotometer 3 is fixedly connected to the top of the bottom plate 1, two ends of the rear side wall of the bottom plate 1 are respectively fixedly connected to the lower end of the hinge shaft 4, the bottom of the cover plate 2 is fixedly connected to the upper end of the hinge shaft 4, two functional components 7 are respectively arranged on the left and right sides of the bottom plate 1, the functional components 7 are connected to the side walls of the cover plate 2, a storage component 6 is arranged on the front outer wall of the cover plate 2, and a handle 8 is fixedly connected to the rear outer wall of the cover plate 2;

[0015] The functional component 7 includes two U-shaped frames 71, one end of the two U-shaped frames 71 is fixedly connected to the two side walls of the base plate 1 and the two side walls of the cover plate 2 respectively, the inner wall of the U-shaped frame 71 of the lower base plate 1 is rotatably connected with a rotating shaft 72, the bottom of the rotating shaft 72 is fixedly connected to one end of a threaded rod 73, the outer wall of the threaded rod 73 is threadedly connected with a locking piece 74, and the bottom of the threaded rod 73 is fixedly connected with a foot pad 75.

[0016] The storage assembly 6 includes a storage rack 61, the rear side of the storage rack 61 is fixedly connected to the front side of the cover plate 2, the storage rack 61 has four storage cavities 62 inside, the top of the storage rack 61 is provided with a pressing plate 63, the upper parts of the left and right outer walls of the storage rack 61 are respectively fixedly connected with fixing blocks 64, the fixing blocks 64 are triangular, the left and right sides of the pressing plate 63 are respectively fixedly connected with fixing plates 65, the through hole 66 is sleeved on the outer wall of the fixing block 64, the fixing plate 65 is provided with a through hole 66, the fixing block 64 is located inside the through hole 66, the top of the pressing plate 63 is provided with four sliding rods 67, the sliding rod 67 slides through the pressing plate 63, the top of the sliding rod 67 is fixedly connected with a stopper 68, the bottom of the stopper 68 is fixedly connected to the upper end of a spring 69, the spring 69 is sleeved on the outer wall of the sliding rod 67, the bottom end of the spring 69 is fixedly connected to the top of the pressing plate 63, and the bottom of the sliding rod 67 is fixedly connected with a rubber pressing plate 610.

[0017] The portable ultraviolet-visible spectrophotometer of the present invention can maintain the current vertical state of the threaded rod 73 by limiting the position of the U-shaped frame 71 when the top of the locking piece 74 is in close contact with the bottom of the lower U-shaped frame 71. After the cover plate 2 is closed, the threaded rod 73 can be pulled and twisted 180 degrees and inserted into the upper U-shaped frame 71, and then the locking piece 74 can be rotated so that the bottom thereof contacts the top wall of the upper U-shaped frame 71. The cover plate 2 can be fixed by limiting the position of the upper U-shaped frame 71. By rotating the threaded rod 73 and adjusting the position of the locking piece 74, the threaded rod 73 can realize the supporting function and the fixing function, so that the bottom of the spectrophotometer 3 can be prevented from being easily affected by moisture during use, and the bottom vibration can affect the accuracy of the detection data. The spectrophotometer 3 is lifted by the handle 8 to achieve the effect of being easy to carry, and the storage cavity 62 inside the storage rack 61 can be used to place an external cuvette. After the cuvette is placed in the storage cavity 62, the pressure plate 63 can be pushed to move closer to the top of the storage rack 61. When the fixed plate 65 contacts the inclined surface of the fixed block 64, the fixed plate 65 is deformed by the guidance of the inclined surface of the fixed block 64. When the fixed plate 65 is opposite to the through hole 66, the fixed plate 65 is reset and sleeved on the outer wall of the fixed block 64, thereby fixing the pressure plate 63. Under the action of the spring 69, the sliding rod 67 pushes the rubber pressure plate 610 toward one side of the cuvette, and the rubber pressure plate 610 applies continuous pressure to the top of the cuvette, thereby enabling the cuvette to be firmly fixed in the storage cavity 62.

Claims

1. A portable ultraviolet-visible spectrophotometer, comprising a base plate (1) and a cover plate (2), characterized in that: The top of the bottom plate (1) is fixedly connected to a spectrophotometer (3); the two ends of the rear side wall of the bottom plate (1) are respectively fixedly connected to the lower end of the hinge shaft (4); the bottom of the cover plate (2) is fixedly connected to the upper end of the hinge shaft (4); two functional components (7) are respectively arranged on the left and right sides of the bottom plate (1); the functional components (7) are connected to the side walls of the cover plate (2); a storage component (6) is arranged on the front outer wall of the cover plate (2); and a handle (8) is fixedly connected to the rear outer wall of the cover plate (2); The functional component (7) comprises two U-shaped frames (71), one end of each of the two U-shaped frames (71) is fixedly connected to the two side walls of the bottom plate (1) and the two side walls of the cover plate (2), respectively; the inner wall of the U-shaped frame (71) of the lower bottom plate (1) is rotatably connected to a rotating shaft (72); the bottom of the rotating shaft (72) is fixedly connected to one end of a threaded rod (73); the outer wall of the threaded rod (73) is threadably connected to a locking plate (74); and the bottom of the threaded rod (73) is fixedly connected to a foot pad (75).

2. The portable UV-visible spectrophotometer according to claim 1, characterized in that: The storage assembly (6) comprises a storage rack (61), the rear side of the storage rack (61) is fixedly connected to the front side of the cover plate (2), the storage rack (61) has four storage chambers (62) inside, the top of the storage rack (61) has a pressing plate (63), the upper part of the left and right outer walls of the storage rack (61) are respectively fixedly connected to fixed blocks (64), the fixed blocks (64) are triangular, the left and right sides of the pressing plate (63) are respectively fixedly connected to fixed plates (65), the through hole (66) is sleeved on the outer wall of the fixed block (64), and the fixed plate (65) A through hole (66) is opened on the top, and the fixed block (64) is located inside the through hole (66). The top of the pressure plate (63) is provided with four sliding rods (67). The sliding rods (67) slide through the pressure plate (63). The top of the sliding rod (67) is fixedly connected with a stopper (68). The bottom of the stopper (68) is fixedly connected to the upper end of the spring (69). The spring (69) is sleeved on the outer wall of the sliding rod (67). The bottom end of the spring (69) is fixedly connected to the top of the pressure plate (63). The bottom of the sliding rod (67) is fixedly connected to the rubber pressure plate (610).

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