Spectrum structure special for Raman detection

Abstract

The utility model discloses a special spectrum structure for Raman detection, which relates to the technical field of Raman spectrum detection and comprises a handheld Raman spectrum detector, a spectrum detection head is arranged on the handheld Raman spectrum detector, a double-head base is detachably connected onto a miniature dismounting table, a driven rotating shaft is rotatably connected into the double-head base, and the driven rotating shaft is rotatably connected with the handheld Raman spectrum detector. The top of the driven rotating shaft is fixedly connected with a spectrum detection disc, a positioning glass sleeve is fixedly connected in the spectrum detection disc, the miniature dismounting and mounting table and the double-end base are provided with dismounting and mounting mechanisms, and the double-end base and the driven rotating shaft are provided with grooved wheel detection mechanisms. Through the arrangement of the spectrum detection disc, the positioning glass sleeve, the groove wheel replacement detection mechanism, the miniature dismounting table, the dismounting mechanism and other structures, sample test tubes on the spectrum detection disc can be alternately detected, the sample test tubes do not need to be placed on a table top in a mess, and the sample test tubes cannot topple over and the handheld Raman spectrum detector cannot fall off.

Description

TECHNICAL FIELD

[0001] The utility model relates to raman spectrum detection technical field especially relates to a raman detection special spectrum structure. BACKGROUND

[0002] Raman spectrometer is a kind of high-tech analytical instrument, it is widely used in the research of chemistry, material science, life science and earth science etc. field. Mainly used for detecting the raman scattering spectrum of matter, i.e. the structure and composition of matter are determined by detecting the spectral characteristics of matter at raman frequency, and it is widely used in multiple fields.

[0003] At present, when determining the structure and composition of matter by handheld raman spectrometer, there is no special spectrum detection structure, the test tube containing the detected substance needs to be placed on the desktop, and the spectrum detection head of the handheld raman spectrum detector is used to irradiate the sample test tube for spectrum analysis, the contact between the spectrum detection head and the sample test tube can easily cause the sample test tube to be tilted, and long-time handheld raman spectrometer detection can also cause hand fatigue, which can easily cause the raman spectrometer to slip from the hand. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of raman detection special spectrum structures, to solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of raman detection special spectrum structure, including handheld raman spectrum detector, the handheld raman spectrum detector is provided with spectrum detection head, it is characterized by: the top shell of the handheld raman spectrum detector is fixedly connected with micro dismounting table, the micro dismounting table is detachably connected with double-end base, the double-end base is rotatably connected with driven shaft, the top of the driven shaft is fixedly connected with spectrum detection disc, the spectrum detection disc is fixedly connected with positioning glass sleeve in, the micro dismounting table and the double-end base are provided with dismounting mechanism, the double-end base and the driven shaft are provided with grooved wheel change detection mechanism.

[0006] Preferably, the dismounting mechanism includes a clamping plate fixedly connected to the double-end base, a clamping hole is formed in the clamping plate, and a clamping block is movably connected in the micro dismounting table.

[0007] Preferably, the micro dismounting table is fixedly connected with a guide telescopic rod and a spring, and the other end of the guide telescopic rod and the spring is fixedly connected with the surface of the clamping block.

[0008] Preferably, the micro dismounting table is fixedly connected with a plug sleeve on one side surface, a guide insertion slot is formed in the top of the plug sleeve, a guide insertion plate is fixedly connected to the outer surface of the double-end base, and the guide insertion plate is inserted into the guide insertion slot.

[0009] Preferably, the slot wheel alternately detecting mechanism comprises a slot wheel fixedly sleeved on the driven rotating shaft, a radial slot is formed in the slot wheel, a main rotating shaft is rotatably connected in the double-head base, a rotating disc is fixedly sleeved on the main rotating shaft, a round pin is fixedly connected to the upper surface of the rotating disc, and the round pin is matched with the radial slot.

[0010] Preferably, the top of the main rotating shaft is fixedly connected with a locking block, a locking arc is formed in the slot wheel, the locking arc is matched with the side periphery of the locking block, a locking notch is arranged on the locking block, and a pushing block is arranged on the top of the locking block.

[0011] Preferably, a retaining groove is formed in the double-head base, and a retaining ring is fixedly connected to the bottom end of the driven rotating shaft and rotatably connected in the retaining groove.

[0012] The utility model discloses a beneficial effect is:

[0013] In the utility model, through the structure of the spectrum detection disc, the positioning glass sleeve and the slot wheel alternately detecting mechanism, the main rotating shaft can be rotated by the pushing block, the main rotating shaft rotation drives the round pin to rotate, when the round pin just enters the radial slot and separates from the radial slot, the slot wheel can rotate a quarter of a circle, the sample test tube on the spectrum detection disc can be alternately detected, the operation is more convenient, and the accuracy of detection is guaranteed, the sample test tube is not placed disorderly on the desktop, and the sample test tube and the handheld Raman spectrum detector will not be poured and fallen.

[0014] In the utility model, through the structure of the micro dismounting table and the dismounting mechanism, the clamping plate is inserted in the front side of the micro dismounting table, the clamping plate extrudes the clamping block to enter the micro dismounting table, the spring is compressed at this time, when the clamping block and the clamping hole coincide, the clamping block is clamped in the clamping hole under the action of the spring, the double-head base can be installed on the micro dismounting table, when not using, the clamping block is pressed into the micro dismounting table in the double-head base, the double-head base is directly extracted upward at this time, and the handheld Raman spectrum detector can be carried. ACCURACY

[0015] Figure 1 A three-dimensional structure schematic view of the spectrum structure special for Raman detection is provided for the utility model;

[0016] Figure 2 A rotating disc, a round pin and other structures of the spectrum structure special for Raman detection are provided for the utility model;

[0017] Figure 3 A clamping block, a clamping plate and other structures of the spectrum structure special for Raman detection are provided for the utility model;

[0018] Figure 4 This is a schematic diagram of the grooved wheel, locking block, and other structures of a Raman detection-specific spectral structure proposed in this utility model.

[0019] In the diagram: 1. Handheld Raman spectrometer; 2. Spectrometer head; 3. Miniature disassembly / assembly stage; 4. Double-headed base; 5. Driven shaft; 6. Spectrometer disk; 7. Positioning glass sleeve; 8. Disassembly / assembly mechanism; 81. Clamping plate; 82. Clamping hole; 83. Clamping block; 84. Guide telescopic rod; 85. Spring; 86. Insert sleeve; 87. Guide slot; 88. Guide insert plate; 9. Grooved wheel replacement mechanism; 91. Grooved wheel; 92. Radial groove; 93. Main shaft; 94. Turntable; 95. Circular pin; 96. Locking block; 97. Locking arc; 98. Locking notch; 99. Pulley; 10. Retention groove; 11. Retention ring. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Example:

[0022] like Figures 1-4 As shown, this embodiment provides a dedicated spectral structure for Raman detection, including a handheld Raman spectrometer 1, on which a spectral detection head 2 is provided. The handheld Raman spectrometer 1 is characterized by: a miniature disassembly / assembly stage 3 fixedly connected to the top shell of the handheld Raman spectrometer 1; a double-headed base 4 detachably connected to the miniature disassembly / assembly stage 3; a driven shaft 5 rotatably connected inside the double-headed base 4; a spectral detection disk 6 fixedly connected to the top of the driven shaft 5; a positioning glass sleeve 7 fixedly connected inside the spectral detection disk 6; a disassembly / assembly mechanism 8 provided on the miniature disassembly / assembly stage 3 and the double-headed base 4; and a grooved wheel replacement mechanism 9 provided on the double-headed base 4 and the driven shaft 5.

[0023] The handheld Raman spectrometer 1 is placed upright on a table, and the double-headed base 4 is installed on the miniature disassembly stage 3 via the disassembly mechanism 8. The sample tubes to be tested are then placed in the positioning glass sleeves 7 on the spectral detection disk 6. The grooved wheel replacement mechanism 9 rotates the spectral detection disk 6 a quarter turn each time, aligning the sample tubes with the spectral detection head 2. The spectral detection head 2 can then irradiate the samples in the test tubes through the positioning glass sleeves 7, and the handheld Raman spectrometer 1 performs spectral analysis. The operation is convenient, eliminating the need to place the sample tubes haphazardly on the table, preventing the sample tubes from tipping over or the handheld Raman spectrometer 1 from falling. After the test is completed, the double-headed base 4 can be removed from the miniature disassembly stage 3 via the disassembly mechanism 8, without affecting the portability of the handheld Raman spectrometer 1.

[0024] In one embodiment, specifically, the disassembling mechanism 8 comprises a clamping plate 81 fixedly connected to the double-head base 4, the clamping plate 81 is provided with a clamping hole 82, a clamping block 83 is movably connected in the micro disassembling table 3, the clamping block 83 is clamped in the clamping hole 82, a guide telescopic rod 84 and a spring 85 are fixedly connected in the micro disassembling table 3, the other end of the guide telescopic rod 84 and the spring 85 is fixedly connected to the surface of the clamping block 83;

[0025] In order to facilitate the disassembly and assembly of the double-head base 4, the clamping plate 81 is inserted into the front side of the micro disassembling table 3, the clamping plate 81 will extrude the clamping block 83 into the micro disassembling table 3, at this time the spring 85 will also be compressed, when the clamping block 83 and the clamping hole 82 coincide, the clamping block 83 will be clamped in the clamping hole 82 under the action of the spring 85, that is, the double-head base 4 can be installed on the micro disassembling table 3, when it is needed to disassemble the double-head base 4 from the micro disassembling table 3, the clamping block 83 is pressed into the micro disassembling table 3, at this time the double-head base 4 can be directly pulled out upward, the guide telescopic rod 84 can play a guiding role in the movement of the clamping block 83.

[0026] In one embodiment, specifically, the one side surface of the micro disassembling table 3 is fixedly connected with a plug sleeve 86, the top of the plug sleeve 86 is provided with a guide slot 87, the outer surface of the double-head base 4 is fixedly connected with a guide plug plate 88, the guide plug plate 88 is inserted into the guide slot 87;

[0027] In order to guide the movement of the clamping plate 81, when the clamping plate 81 is inserted into the front side of the micro disassembling table 3, the guide plug plate 88 can be aligned with the guide slot 87 on the plug sleeve 86 and inserted, the clamping plate 81 will also be inserted into the front side of the micro disassembling table 3.

[0028] In one embodiment, specifically, the slot wheel detection mechanism 9 comprises a slot wheel 91 fixedly sleeved on the driven shaft 5, the slot wheel 91 is provided with a radial slot 92, a main shaft 93 is rotatably connected in the double-head base 4, a rotating disc 94 is fixedly sleeved on the main shaft 93, a round pin 95 is fixedly connected to the upper surface of the rotating disc 94, the round pin 95 is matched with the radial slot 92;

[0029] In order to facilitate the detection of the sample test tube in the positioning glass sleeve 7 and align the sample test tube with the spectral detection head 2, the rotation of the main shaft 93 will drive the rotating disc 94 to rotate, the rotation of the rotating disc 94 will drive the round pin 95 to rotate, when the round pin 95 just enters the radial slot 92 and separates from the radial slot 92, it can drive the slot wheel 91 to rotate one fourth of a circle, and the sample test tube on the spectral detection disc 6 can be alternately detected.

[0030] In one embodiment, specifically, the top of the main rotating shaft 93 is fixedly connected with a locking block 96, the groove wheel 91 is provided with a locking arc 97, the locking arc 97 is in close contact with the side periphery of the locking block 96, the locking block 96 is provided with a locking notch 98, and the top of the locking block 96 is installed with a pushing block 99;

[0031] In order to overcome the rotational inertia of the groove wheel 91 and align the sample test tube with the spectral detection head 2, the main rotating shaft 93 can be rotated by the pushing block 99, the main rotating shaft 93 is also rotated to drive the locking block 96, when the outer periphery of the locking block 96 is in contact with the locking arc 97, the pushing block 99 is stopped, the groove wheel 91 is stopped with the locking block 96, the inertia of the groove wheel 91 can be overcome, and the sample test tube is aligned with the spectral detection head 2, when the groove wheel 91 needs to be rotated, the locking notch 98 on the locking block 96 is not clamped with the locking arc 97, and the groove wheel 91 can be normally rotated.

[0032] In one embodiment, specifically, the double-head base 4 is provided with a retaining groove 10, and the bottom end of the driven rotating shaft 5 is fixedly connected with a retaining ring 11, and the retaining ring 11 is rotatably connected in the retaining groove 10;

[0033] In order to avoid the driven rotating shaft 5 from falling off the double-head base 4, the retaining ring 11 rotates in the retaining groove 10 to limit the radial direction of the driven rotating shaft 5, so that the driven rotating shaft 5 is prevented from falling off.

[0034] Working principle: when in use, the handheld Raman spectrum detector 1 is placed on the desktop, the guide plug 88 is aligned with the guide slot 87 on the plug sleeve 86 and inserted, the clamping plate 81 is also inserted on the front side of the micro dismounting table 3, the clamping plate 81 is pressed into the micro dismounting table 3, the spring 85 is also compressed at this time, when the clamping block 83 and the clamping hole 82 are coincided, the clamping block 83 is clamped in the clamping hole 82 under the action of the spring 85, that is, the double-head base 4 can be installed on the micro dismounting table 3, and the sample test tubes to be detected are placed in the positioning glass sleeve 7 on the spectrum detection disc 6, the main shaft 93 is rotated by the dial block 99, the rotation of the main shaft 93 drives the rotation of the rotating disc 94, and the rotation of the rotating disc 94 drives the rotation of the round pin 95, when the round pin 95 just enters the radial slot 92 and separates from the radial slot 92, the groove wheel 91 is rotated by one quarter of a circle, and the sample test tubes on the spectrum detection disc 6 can be alternately detected, on the other hand, the rotation of the main shaft 93 also drives the rotation of the locking block 96, when the outer periphery of the locking block 96 contacts the locking arc 97, the dial block 99 is stopped, the groove wheel 91 is stopped with the locking block 96, the inertia of the rotation of the groove wheel 91 is overcome, the sample test tube is aligned with the spectrum detection head 2, the spectrum detection head 2 can irradiate the sample in the test tube through the positioning glass sleeve 7, and the spectrum analysis is carried out through the handheld Raman spectrum detector 1, the operation is more convenient, the accuracy of detection is guaranteed, the sample test tubes are not placed disorderly on the desktop, the sample test tubes are not tilted and the handheld Raman spectrum detector 1 is not fallen, after the detection is completed, the clamping block 83 is pressed into the micro dismounting table 3, and the double-head base 4 is directly pulled out upward, which does not affect the carrying of the handheld Raman spectrum detector 1.

[0035] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A Raman detection special spectrum structure, comprising a handheld Raman spectrum detector (1), a spectrum detection head (2) is arranged on the handheld Raman spectrum detector (1), characterized in that: The top shell of the handheld Raman spectrum detector (1) is fixedly connected with a micro dismounting table (3), a double-head base (4) is detachably connected to the micro dismounting table (3), a driven rotating shaft (5) is rotatably connected in the double-head base (4), a spectrum detection disc (6) is fixedly connected to the top of the driven rotating shaft (5), a positioning glass sleeve (7) is fixedly connected in the spectrum detection disc (6), a dismounting mechanism (8) is arranged on the micro dismounting table (3) and the double-head base (4), and a groove wheel detection switching mechanism (9) is arranged on the double-head base (4) and the driven rotating shaft (5).

2. The spectroscopic structure for Raman detection according to claim 1, characterized in that: The dismounting mechanism (8) comprises a clamping plate (81) fixedly connected to the double-head base (4), a clamping hole (82) is formed in the clamping plate (81), and a clamping block (83) is movably connected in the micro dismounting table (3), and the clamping block (83) is clamped in the clamping hole (82).

3. The Raman detection dedicated optical spectrum structure according to claim 2, characterized in that: A guide telescopic rod (84) and a spring (85) are fixedly connected in the micro dismounting table (3), and the other end of the guide telescopic rod (84) and the spring (85) is fixedly connected to the surface of the clamping block (83).

4. The spectroscopic structure according to claim 3, characterized in that: A plug sleeve (86) is fixedly connected to the surface of the micro dismounting table (3), a guide plug groove (87) is formed in the top of the plug sleeve (86), and a guide plug plate (88) is fixedly connected to the outer surface of the double-head base (4) and is plugged in the guide plug groove (87).

5. The spectroscopic structure according to claim 1, characterized in that: The groove wheel detection switching mechanism (9) comprises a groove wheel (91) fixedly sleeved on the driven rotating shaft (5), a radial groove (92) is formed in the groove wheel (91), a main rotating shaft (93) is rotatably connected in the double-head base (4), a rotating disc (94) is fixedly sleeved on the main rotating shaft (93), a round pin (95) is fixedly connected to the upper surface of the rotating disc (94), and the round pin (95) is matched with the radial groove (92).

6. The spectroscopic structure according to claim 5, characterized in that: A locking block (96) is fixedly connected to the top of the main rotating shaft (93), a locking arc (97) is formed in the groove wheel (91), the locking arc (97) is matched with the side of the locking block (96), a locking notch (98) is arranged on the locking block (96), and a pushing block (99) is mounted on the top of the locking block (96).

7. The spectroscopic structure according to claim 1, characterized in that: A retaining groove (10) is formed in the double-head base (4), and a retaining ring (11) is fixedly connected to the bottom end of the driven rotating shaft (5) and is rotatably connected in the retaining groove (10).

Images