Ultraviolet and visible spectrophotometer convenient to operate

Abstract

The utility model relates to the field of ultraviolet and visible spectrophotometers, in particular to an ultraviolet and visible spectrophotometer convenient to operate. The technical problems that in the using process of the ultraviolet and visible spectrophotometer, due to the fact that a user needs to keep the state of stretching a pull rod all the time, the using experience of the user on the ultraviolet and visible spectrophotometer is extremely prone to being affected, and then the using comfort of the ultraviolet and visible spectrophotometer is greatly reduced are solved. According to the technical scheme, the ultraviolet and visible spectrophotometer convenient to operate comprises a shell assembly, a positioning assembly, a liquid tank assembly and a working assembly; a positioning assembly is arranged at the front end of the shell assembly. According to the utility model, the special locking structure is arranged to position and lock the pull rod structure so as to prevent the pull rod structure from rebounding in the use process, so that the problem that a user needs to always keep the state of stretching the pull rod in the use process of the ultraviolet visible spectrophotometer can be solved to a certain extent.

Description

Technical Field

[0001] The utility model relates to the field of ultraviolet visible spectrophotometers, in particular to an ultraviolet visible spectrophotometer which is easy to operate. Background Art

[0002] The UV-visible spectrophotometer is an absorption optical analysis instrument with a working wavelength of 200 to 800 nanometers. The UV and visible spectrophotometer has a wide range of uses. It can be used for both inorganic and organic analysis. It is a very important analytical tool in the analysis and inspection of drugs, metals, minerals and pollutants in water. However, in the use of the existing UV-visible spectrophotometer, the user needs to pull the pull rod at the front end of the device to extract the test tank and put the sample to be tested into the test tank. At the same time, the pull rod must be in a pulled state at all times to realize the use of the UV-visible spectrophotometer. Maintaining a single stretching action for a long time often reduces the user experience, which can easily affect the convenience of the entire UV-visible spectrophotometer. Utility Model Content

[0003] In order to overcome the problem that during the use of the UV-visible spectrophotometer, the user is required to keep the pull rod stretched all the time, which can easily affect the user's experience of the UV-visible spectrophotometer and greatly reduce the comfort of using the UV-visible spectrophotometer.

[0004] The technical solution of the utility model is: an ultraviolet visible spectrophotometer which is easy to operate, comprising a shell component, a positioning component, a liquid tank component and a working component; the front end of the shell component is provided with a positioning component; the rear end of the positioning component is provided with a liquid tank component; and one side of the liquid tank component is provided with a working component.

[0005] Preferably, the positioning and fixing of the fixed pull rod is achieved by the positioning component, and the placement of the test solution can also be achieved by the setting of the liquid tank component; finally, the ultraviolet-visible spectrophotometric detection of the test solution can be achieved by the setting of the working component.

[0006] Preferably, the shell assembly includes a fixed shell, a display screen, a light detector, a partition, a sealing cover plate and a tritium lamp source; a display screen is installed at the front end of the fixed shell; two light detectors are installed on one side of the fixed shell; a partition is fixedly connected to the inner side of the fixed shell; a sealing cover plate is installed at the upper end of the fixed shell; and a tritium lamp source is installed at the rear end of the fixed shell.

[0007] Preferably, the positioning assembly includes a fixed pull rod, a first connecting arm, a locking plate, a second connecting arm, a positioning sleeve, meshing teeth, a rotating wheel, a passive wheel, a transmission belt, a driving wheel, a drive motor and a handle plate; a fixed pull rod is provided on one side of the display screen; the front end of the fixed pull rod is fixedly connected to the handle plate; and a first connecting arm is provided on one side of the fixed pull rod.

[0008] Preferably, a second connecting arm is provided on the other side of the fixed pull rod; a locking plate is provided at the connection between the second connecting arm and the first connecting arm and the fixed pull rod; a positioning sleeve is provided on the outer side of the second connecting arm and the first connecting arm; meshing teeth are fixedly connected to the second connecting arm and the first connecting arm; a rotating wheel is provided between the meshing teeth at the upper and lower ends; a passive wheel is provided at the front end of the rotating wheel; a transmission belt is provided on the outer side of the passive wheel; a driving wheel is provided on the inner side of the transmission belt; and the rear end of the driving wheel is rotatably connected to a drive motor via a rotating shaft.

[0009] Preferably, the liquid tank assembly includes a movable bracket, a placement block, a positioning rod and side guard bars; the movable bracket is arranged at the rear end of the fixed pull rod; the placement block is fixedly connected to the upper end of the movable bracket; the positioning rod is arranged on the inner side of the movable bracket; and side guard bars are arranged on both sides of the positioning rod.

[0010] Preferably, the working components include a first total reflection mirror plate, a semi-reflection mirror plate, a fixed mirror tube, a focusing tube, a filter plate, a grating, a collimating mirror, a connecting plate, a connecting frame, a second total reflection mirror plate, a light switcher and a tungsten lamp source; the first total reflection mirror plate is arranged on one side of the placement block; the semi-reflection mirror plate is arranged at the front end of the first total reflection mirror plate; a fixed mirror tube is arranged on the outer sides of the semi-reflection mirror plate and the first total reflection mirror plate.

[0011] Preferably, a focusing tube is provided on one side of the semi-reflecting mirror plate; a filter plate is fixedly connected to the inner side of the focusing tube; a grating is provided on one side of the filter plate; a collimating mirror is provided on one side of the grating; a connecting plate is provided at the rear end of the collimating mirror; a connecting frame is fixedly connected to the connecting plate; a second total reflecting mirror plate is fixedly connected to the inner side of the connecting frame; a light switcher is provided at the rear end of the connecting plate; and a tungsten filament lamp source is provided on one side of the light switcher.

[0012] Beneficial effects of the utility model:

[0013] 1. By setting a special locking structure to position and lock the pull rod structure, the phenomenon of rebounding during use can be prevented, which can solve the problem that the user needs to keep the pull rod stretched during use of the UV-visible spectrophotometer, which will easily affect the user's experience of the UV-visible spectrophotometer and greatly reduce the comfort of using the UV-visible spectrophotometer.

[0014] 2. The driving motor drives the transmission belt to rotate so that the rotating wheel can rotate, so that the first connecting arm and the second connecting arm can be slidably adjusted on the inner side of the positioning sleeve, so that the locking plates on the first connecting arm and the second connecting arm can quickly lock the fixed pull rod, thereby greatly improving the convenience of use of the entire UV-visible spectrophotometer. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 What is shown is a schematic diagram of the three-dimensional structure of the UV-visible spectrophotometer of the present utility model;

[0016] Figure 2 What is shown is a schematic diagram of the three-dimensional structure of the housing assembly of the UV-visible spectrophotometer of the present utility model;

[0017] Figure 3 What is shown is a three-dimensional structural schematic diagram of the working components of the UV-visible spectrophotometer of the present utility model;

[0018] Figure 4 The figure shows a three-dimensional structure diagram of the liquid tank assembly of the UV-visible spectrophotometer of the present invention;

[0019] Figure 5 What is shown is a partial enlarged view of location A of the UV-visible spectrophotometer of the present invention.

[0020] Description of reference numerals: 1, housing assembly; 2, positioning assembly; 3, liquid tank assembly; 4, working assembly; 101, fixed housing; 102, display screen; 103, light detector; 104, partition; 105, sealing cover; 106, tritium lamp source; 201, fixed pull rod; 202, first connecting arm; 203, locking plate; 204, second connecting arm; 205, positioning sleeve; 206, meshing teeth; 207, rotating wheel; 208, passive wheel; 209, transmission belt; 210 , driving wheel; 211, driving motor; 212, handle plate; 301, moving bracket; 302, placement block; 303, positioning rod; 304, side guard bar; 401, first total reflection mirror plate; 402, semi-reflection mirror plate; 403, fixed mirror tube; 404, focusing tube; 405, filter plate; 406, grating; 407, collimator; 408, connecting plate; 409, connecting frame; 410, second total reflection mirror plate; 411, light switcher; 412, tungsten lamp source. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1-3The utility model provides an embodiment: an ultraviolet-visible spectrophotometer that is easy to operate, including a housing component 1, a positioning component 2, a liquid tank component 3 and a working component 4; the front end of the housing component 1 is provided with the positioning component 2; the rear end of the positioning component 2 is provided with the liquid tank component 3; one side of the liquid tank component 3 is provided with the working component 4, the housing component 1 includes a fixed housing 101, a display screen 102, a light detector 103, a partition 104, a sealing cover plate 105 and a tritium lamp source 106; the front end of the fixed housing 101 is provided with the display screen 102; the fixed housing 1 Two light detectors 103 are installed on one side of the fixed housing 101; a partition 104 is fixedly connected to the inner side of the fixed housing 101; a sealing cover plate 105 is installed on the upper end of the fixed housing 101; a tritium lamp source 106 is installed on the rear end of the fixed housing 101, and the liquid tank assembly 3 includes a movable bracket 301, a placement block 302, a positioning rod 303 and a side block 304; a movable bracket 301 is provided at the rear end of the fixed pull rod 201; a placement block 302 is fixedly connected to the upper end of the movable bracket 301; a positioning rod 303 is provided on the inner side of the movable bracket 301; both sides of the positioning rod 303 are provided A side baffle 304 is arranged, and the working assembly 4 includes a first total reflection mirror plate 401, a semi-reflection mirror plate 402, a fixed mirror tube 403, a focusing tube 404, a filter plate 405, a grating 406, a collimator 407, a connecting plate 408, a connecting frame 409, a second total reflection mirror plate 410, an optical switch 411 and a tungsten light source 412; a first total reflection mirror plate 401 is arranged on one side of the placement block 302; a semi-reflection mirror plate 402 is arranged on the front end of the first total reflection mirror plate 401; and outer sides of the semi-reflection mirror plate 402 and the first total reflection mirror plate 401 are both arranged A fixed mirror tube 403, a focusing tube 404 is arranged on one side of a semi-reflecting mirror plate 402; a filter plate 405 is fixedly connected to the inner side of the focusing tube 404; a grating 406 is arranged on one side of the filter plate 405; a collimator 407 is arranged on one side of the grating 406; a connecting plate 408 is arranged at the rear end of the collimator 407; a connecting frame 409 is fixedly connected to the connecting plate 408; a second total reflection mirror plate 410 is fixedly connected to the inner side of the connecting frame 409; an optical switch 411 is arranged at the rear end of the connecting plate 408; a tungsten filament lamp source 412 is arranged on one side of the optical switch 411.

[0023] See also Figure 4In this embodiment, the positioning assembly 2 includes a fixed rod 201, a first connecting arm 202, a locking piece 203, a second connecting arm 204, a positioning sleeve 205, a meshing tooth 206, a rotating wheel 207, a passive wheel 208, a transmission belt 209, a driving wheel 210, a driving motor 211 and a grip plate 212; a fixed rod 201 is provided on one side of the display screen 102; a grip plate 212 is fixedly connected to the front end of the fixed rod 201; a first connecting arm 202 is provided on one side of the fixed rod 201, and a second connecting arm 204 is provided on the other side of the fixed rod 201; the second connecting arm 20 A locking piece 203 is provided at the connection between the first connecting arm 204 and the fixed pull rod 201; a positioning sleeve 205 is provided on the outer side of the second connecting arm 204 and the first connecting arm 202; meshing teeth 206 are fixedly connected to the second connecting arm 204 and the first connecting arm 202; a rotating wheel 207 is provided between the upper and lower meshing teeth 206; a driven wheel 208 is provided at the front end of the rotating wheel 207; a transmission belt 209 is provided on the outer side of the driven wheel 208; a driving wheel 210 is provided on the inner side of the transmission belt 209; and the rear end of the driving wheel 210 is rotatably connected to a driving motor 211 through a rotating shaft.

[0024] When working, light is emitted by the tritium lamp source 106 and the tungsten filament lamp source 412, and is changed under the action of the optical switch 411, so as to be refracted by the second total reflection mirror plate 410 and transmitted to the collimator 407, and then transmitted to the semi-reflective mirror plate 402 through the action of the grating 406 and the filter plate 405 inside the focusing tube 404, and is transmitted to the sample colorimetric solution and the first total reflection mirror plate 401 under the action of the semi-reflective mirror plate 402. Through the action of the first total reflection mirror plate 401, part of the light source is transmitted to the reference colorimetric solution, and the data can be collected respectively by the two light detectors 103, and finally the data is transmitted to the display screen 102 to realize the use of the ultraviolet visible spectrophotometer.

[0025] Through the above steps, a special locking structure is set to position and lock the pull rod structure to prevent it from rebounding during use, thereby solving the problem that during the use of the ultraviolet visible spectrophotometer, the user is required to always keep the pull rod stretched, which easily affects the user's experience of using the ultraviolet visible spectrophotometer and greatly reduces the comfort of using the ultraviolet visible spectrophotometer. At the same time, the positioning component 2 can also be used to position and fix the fixed pull rod 201, and the liquid tank component 3 can also be used to place the test solution; finally, the working component 4 can be used to perform ultraviolet visible spectrophotometry detection on the test solution.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. An easy-to-operate UV-visible spectrophotometer, comprising a housing assembly (1); characterized in that: The housing assembly (1) further comprises a positioning component (2), a liquid tank component (3) and a working component (4); the front end of the housing assembly (1) is provided with the positioning component (2); the rear end of the positioning component (2) is provided with the liquid tank component (3); one side of the liquid tank component (3) is provided with the working component (4); the housing assembly (1) comprises a fixed housing (101), a display screen (102), a light detector (103), a partition (104), a sealing cover plate (105) and a tritium lamp source (106); the front end of the fixed housing (101) is provided with the display screen (102); the fixed housing (101) is provided with a plurality of sealing components (105); and the fixed housing (101) is provided with a plurality of sealing components (106). Two light detectors (103) are installed on one side of the fixed housing (101); a partition (104) is fixedly connected to the inner side of the fixed housing (101); a sealing cover (105) is installed on the upper end of the fixed housing (101); a tritium lamp source (106) is installed on the rear end of the fixed housing (101), and the positioning assembly (2) includes a fixed pull rod (201), a first connecting arm (202), a locking plate (203), a second connecting arm (204), a positioning sleeve (205), meshing teeth (206), a rotating wheel (207), a passive wheel (208), a transmission belt (209), and a plurality of transmission belts (210). 09), a driving wheel (210), a driving motor (211) and a grip plate (212); a fixed pull rod (201) is provided on one side of the display screen (102); a front end of the fixed pull rod (201) is fixedly connected to the grip plate (212); a first connecting arm (202) is provided on one side of the fixed pull rod (201), and a second connecting arm (204) is provided on the other side of the fixed pull rod (201); a locking plate (203) is provided at the connection between the second connecting arm (204) and the first connecting arm (202) and the fixed pull rod (201); the second connecting arm (2 04) and the outer side of the first connecting arm (202) are provided with a positioning sleeve (205); meshing teeth (206) are fixedly connected to the second connecting arm (204) and the first connecting arm (202); a rotating wheel (207) is provided between the upper and lower meshing teeth (206); a driven wheel (208) is provided at the front end of the rotating wheel (207); a transmission belt (209) is provided on the outer side of the driven wheel (208); a driving wheel (210) is provided on the inner side of the transmission belt (209); and the rear end of the driving wheel (210) is rotatably connected to a driving motor (211) via a rotating shaft.

2. The easy-to-operate UV-visible spectrophotometer according to claim 1, characterized in that: The liquid tank assembly (3) comprises a movable bracket (301), a placement block (302), a positioning rod (303) and a side stop bar (304); the movable bracket (301) is arranged at the rear end of the fixed pull rod (201); the placement block (302) is fixedly connected to the upper end of the movable bracket (301); the positioning rod (303) is arranged on the inner side of the movable bracket (301); and the side stop bars (304) are arranged on both sides of the positioning rod (303).

3. The easy-to-operate UV-visible spectrophotometer according to claim 1, characterized in that: The working component (4) comprises a first total reflection mirror plate (401), a semi-reflection mirror plate (402), a fixed mirror tube (403), a focusing tube (404), a filter plate (405), a grating (406), a collimator (407), a connecting plate (408), a connecting frame (409), a second total reflection mirror plate (410), a light switcher (411) and a tungsten light source (412); the first total reflection mirror plate (401) is arranged on one side of the placement block (302); the semi-reflection mirror plate (402) is arranged at the front end of the first total reflection mirror plate (401); and a fixed mirror tube (403) is arranged on the outer sides of the semi-reflection mirror plate (402) and the first total reflection mirror plate (401).

4. The easy-to-operate UV-visible spectrophotometer according to claim 3, characterized in that: A focusing tube (404) is provided on one side of the semi-reflective mirror plate (402); a filter plate (405) is fixedly connected to the inner side of the focusing tube (404); a grating (406) is provided on one side of the filter plate (405); a collimator (407) is provided on one side of the grating (406); a connecting plate (408) is provided at the rear end of the collimator (407); a connecting frame (409) is fixedly connected to the connecting plate (408); a second total-reflective mirror plate (410) is fixedly connected to the inner side of the connecting frame (409); a light switch (411) is provided at the rear end of the connecting plate (408); and a tungsten filament light source (412) is provided on one side of the light switch (411).

Images