Sample track adjusting device for Raman detection

Abstract

The utility model provides a sample track adjusting device for Raman detection. The sample track adjusting device comprises an adjuster main body, an anti-skid device and a dust removal device, the anti-skid device comprises a supporting column, a connecting rod, a pressing plate, an anti-skid pad and a first spring, one end of the connecting rod is connected with the pressing plate, the lower end of the pressing plate is connected with the anti-skid pad, and the anti-skid pad is located over the trackball of the adjuster body. During use, through the arrangement of the supporting column, the connecting rod, the pressing plate, the non-slip mat and the first spring, after the position of the objective table is adjusted through a trackball, and a sample image is clearly imaged, the connecting rod in a vertical state is rotated to be in a horizontal state, the first spring rotates along with the connecting rod, and a movement track of extending and contracting is generated; and then downward pulling force is generated on the connecting rod, so that the connecting rod drives the non-slip mat to be attached to and abut against the trackball through the pressing plate, the trackball is prevented from rotating, and the situation that images are not clear and Raman detection data are affected due to the fact that the trackball rotates due to external force is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to raman detection technical field especially a kind of sample trajectory adjusting device for raman detection. BACKGROUND

[0002] Laser microscope confocal raman spectrometer is a kind of analytical instrument for chemical engineering, material science, mechanical engineering, biology and other fields. It reveals the internal structure of molecules, chemical bond state and the interaction between molecules by analyzing the wavelength change of scattered light (i.e. Raman scattered light) generated by substance molecules under the irradiation of specific frequency laser.

[0003] In the prior art, for the Raman detection of the sample, the sample is first placed on the microscope stage of the laser microscope confocal raman spectrometer, and the stage is moved by an external trackball to adjust the position of the sample so as to observe the image position. However, in actual operation, since the trackball is movable, it may be shaken and cause the trackball to vibrate when subjected to external vibration, resulting in displacement of the stage and unclear image, which affects the spectral imaging of the Raman detection. After long-term use of the trackball, it may be interfered by dust, affecting the flexibility of the trackball rotation and the movement of the stage and imaging of the sample.

[0004] Therefore, we propose a sample trajectory adjusting device for Raman detection to solve the problem that the trackball for controlling the movement of the stage is easily offset by vibration and easily interfered by dust, affecting the movement of the trackball and the adjustment of the sample position. SUMMARY

[0005] In view of the above-mentioned shortcomings of the prior art, the purpose of the present utility model is to provide a sample trajectory adjusting device for Raman detection to solve the problem that the trackball for controlling the movement of the stage is easily offset by vibration and easily interfered by dust, affecting the movement of the trackball and the adjustment of the sample position.

[0006] To achieve the above-mentioned purpose and other related purposes, the present utility model provides a sample trajectory adjusting device for Raman detection, comprising: an adjusting device main body, an anti-slip device and a dust removal device.

[0007] The anti-slip device comprises a support, a connecting rod, a pressing plate, an anti-slip pad and a first spring. One end of the connecting rod is connected with the pressing plate, the lower end of the pressing plate is connected with the anti-slip pad, the anti-slip pad is located directly above the trackball of the adjusting device main body, the other end of the connecting rod is connected with the adjusting device main body through the support, and the support and the connecting rod are further connected through the first spring.

[0008] The dust removal device is installed on the anti-slip device and is used for blowing and removing dust from the trackball on the adjusting device main body.

[0009] Preferably, the anti-skid pad is in a ring structure and the inner side wall is provided with an arc-shaped concave surface matching the track ball shape of the regulator body, for fitting with the outer surface of the track ball to increase the friction.

[0010] Preferably, the support posts extend outwardly to form a U-shaped frame at positions offset to the opposite sides of the connecting rod, the two ends of the first spring are connected with the middle part of the U-shaped frame and the middle part of the connecting rod respectively, and the opposite sides of the support posts and the connecting rod are both provided with openings matching the first spring.

[0011] The upper ends of the support posts extend upwardly to form baffle plates for limiting the movement range of the connecting rod.

[0012] Preferably, the dust removal device comprises a blowing assembly, a gas conveying pipe, a rotary joint, a flow divider, an exhaust support, a blowing pipe and a driving assembly.

[0013] The blowing assembly is installed on the upper surface of the connecting rod, the output end of the blowing assembly is connected with the gas inlet end of the gas conveying pipe, the other end of the gas conveying pipe extends into the interior of the pressing plate and is connected with the rotary joint, the lower end of the rotary joint is connected with the flow divider and they are mutually penetrated, the upper end of the exhaust support penetrates through the pressing plate and is connected with the flow divider, and the interior of the exhaust support is installed with a plurality of blowing pipes and each blowing pipe is in communication with the flow divider.

[0014] The driving assembly is used to drive the rotation of the flow divider and the exhaust support, so as to expand the blowing range of the blowing pipes.

[0015] Preferably, the driving assembly comprises a motor, the output end of the motor is connected with a driving wheel, the side edge of the driving wheel is engaged with a driven wheel, and the driven wheel is sleeved on the flow divider.

[0016] Preferably, the outer surface of the driving wheel is provided with a plurality of circumferentially arrayed sawtooth groups, a gap is left between each sawtooth group, the driven wheel is provided with a short-arc tooth group engaged with the sawtooth groups, the interior of the pressing plate is connected with a protrusion, and the second spring is connected between the driven wheel and the protrusion.

[0017] Preferably, the side edge of the regulator body is connected with a dust cover, the side wall of the dust cover away from the regulator body is provided with a notch matching the connecting rod, and the lower end of the connecting rod is provided with a dust screen matching the notch.

[0018] Preferably, the maximum outer diameter of the exhaust support is greater than the outer diameter of the anti-skid pad, so as to prevent the anti-skid pad from hindering the blowing.

[0019] As described above, the utility model discloses a kind of sample trajectory adjusting device for Raman detection, with the following beneficial effects: the utility model, by being provided with pillar, connecting rod, pressing plate, non-slip mat and first spring, after making sample image clear imaging after adjusting good carrier platform position using trackball, connecting rod is rotated to horizontal state in vertical state, first spring rotates along with connecting rod, and generates the motion track of first extension and then contraction, then downward tension is generated to connecting rod, connecting rod is driven non-slip mat to adhere and abut against trackball by pressing plate, prevent trackball from rotating, avoid trackball from being rotated by external force, to cause image to be not clear, affect the data of Raman detection.

[0020] Meanwhile, the utility model is provided with inflation assembly, gas pipe, swivel joint, shunt ring, exhaust support, air blowing pipe and drive assembly, when non-slip mat adheres trackball, start inflation assembly, gas produced by inflation assembly is transported to swivel joint by gas pipe, then enters air blowing pipe by shunt ring, so that air blowing pipe blows air to the surface of trackball, then start drive assembly, drive shunt ring and exhaust support to rotate, so as to drive air blowing pipe to rotate, rotate air blowing pipe to trackball, blow off dust at the connection place of trackball and the shell of regulator main body, prolong the service life of equipment, improve the flexibility of trackball rolling.

[0021] Therefore, the utility model effectively overcomes various shortcomings in the prior art and has high industrial utilization value. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It shows the perspective view of the sample trajectory adjusting device for Raman detection of the utility model.

[0023] Figure 2 It shows the internal structure diagram of the pressing plate of the sample trajectory adjusting device for Raman detection of the utility model.

[0024] Figure 3 It shows the bottom view of the pressing plate of the sample trajectory adjusting device for Raman detection of the utility model.

[0025] Figure 4 It shows the Figure 1 enlarged view of part A of the sample trajectory adjusting device for Raman detection of the utility model.

[0026] ELEMENT NUMBER EXPLANATION

[0027] 1, regulator main body;

[0028] 2, non-slip device; 20, pillar; 21, connecting rod; 22, pressing plate; 23, non-slip mat; 24, first spring; 201, U-shaped frame; 202, baffle;

[0029] 3, dust removal device; 30, inflation assembly; 31, gas conveying pipe; 32, rotary joint; 33, shunt ring; 34, exhaust support; 35, air blowing pipe; 36, driving assembly; 37, dust cover; 38, dustproof net;

[0030] 360, motor; 361, driving wheel; 362, driven wheel; 3610, sawtooth group; 3620, short arc tooth group; 363, protrusion; 364, second spring. DETAILED DESCRIPTION

[0031] The implementation of the present application will be described by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification.

[0032] Please refer to Figures 1 to 4 It is understood that the structure, proportion, size, etc. shown in the drawings attached to the specification are only used to cooperate with the content disclosed in the specification for those skilled in the art to understand and read, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" in the specification are only for the convenience of clear description, and are not used to limit the scope of the present application. The change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the scope of the present application.

[0033] As Figures 1-4 shown, the present application provides a sample track adjusting device for Raman detection, which comprises an adjusting device main body 1, an anti-skid device 2 and a dust removal device 3.

[0034] The anti-skid device 2 comprises a support 20, a connecting rod 21, a pressing plate 22, an anti-skid pad 23 and a first spring 24. One end of the connecting rod 21 is connected with the pressing plate 22, and the lower end of the pressing plate 22 is connected with the anti-skid pad 23, which is located directly above the track ball of the adjusting device main body 1. The other end of the connecting rod 21 is connected with the adjusting device main body 1 through the support 20, and the support 20 and the connecting rod 21 are further connected through the first spring 24; the first spring 24 is inclinedly arranged, and can exert a downward force on the connecting rod 21, so that the connecting rod 21 drives the anti-skid pad 23 to adhere to and abut against the upper end of the track ball through the pressing plate 22, preventing the track ball from rotating and causing the carrier to deviate, resulting in unclear sample imaging and affecting Raman spectrum measurement data.

[0035] The dust removing device 3 is installed on the anti-skid device 2 and used for blowing and removing dust on the track ball of the regulator body 1.

[0036] In an embodiment, referring to Figure 1 and Figure 3 , the anti-skid pad 23 is in a ring shape and the inner side wall is provided with an arc-shaped concave surface matching the shape of the track ball of the regulator body 1, used for being attached to the outer surface of the track ball to increase the friction. Meanwhile, in order to avoid the contact between the pressing plate 22 and the top of the track ball, the lower part of the pressing plate 22 is provided with a hollow structure.

[0037] In an embodiment, referring to Figure 1 and Figure 4 , the support 20 extends outward to form a U-shaped frame 201 at the position deviated from the opposite side of the connecting rod 21, the two ends of the first spring 24 are connected with the middle part of the U-shaped frame 201 and the middle part of the connecting rod 21 respectively, and the opposite sides of the support 20 and the connecting rod 21 are provided with openings matching the first spring 24; the first spring 24 is connected with the U-shaped frame 201 and the connecting rod 21 through the openings, and since the first spring 24 is inclined in the vertical plane, the connecting rod 21 is subjected to downward and outward pulling force in the horizontal and vertical states respectively, so as to realize the opening and closing operation of the anti-skid pad 23, avoid the need of holding the connecting rod 21 to keep the anti-skid pad 23 separated from the track ball when the operator moves the track ball, and reduce the operation difficulty. The upper ends of the support 20 extend upward to form a baffle 202 on both sides, used for limiting the activity range of the connecting rod 21.

[0038] In an embodiment, referring to Figures 1-3 , the dust removing device 3 includes a blowing assembly 30, a gas conveying pipe 31, a rotary joint 32, a shunt ring 33, an exhaust bracket 34, a blowing pipe 35 and a driving assembly 36.

[0039] The inflating assembly 30 is installed on the upper surface of the connecting rod 21, which plays a role of installation and support for the inflating assembly 30. The inflating assembly 30 can be a gas pump or a manual inflator, etc. The output end of the inflating assembly 30 is connected with the gas inlet end of the gas conveying pipe 31, the other end of the gas conveying pipe 31 extends into the interior of the pressing plate 22 and is connected with the rotary joint 32, which is connected with the pressing plate 22 through the support rod. The lower end of the rotary joint 32 is connected with the flow dividing ring 33 and penetrates each other, the flow dividing ring 33 can rotate around the rotary joint 32. The upper end of the exhaust bracket 34 penetrates the pressing plate 22 and is connected with the flow dividing ring 33, the interior of the exhaust bracket 34 is installed with a plurality of blowing pipes 35 and each blowing pipe 35 is connected with the flow dividing ring 33. In use, the inflating assembly 30 is used to inflate, the gas is conveyed to the rotary joint 32 through the gas conveying pipe 31, and then is introduced into the blowing pipe 35 through the flow dividing ring 33, and is blown out from the gas outlet of the blowing pipe 35, so as to blow the surface of the trackball and the connecting position of the regulator main body 1, to achieve the dust removal effect and improve the flexibility of the trackball rolling. The driving assembly 36 is used to drive the flow dividing ring 33 and the exhaust bracket 34 to rotate, so as to expand the blowing range of the blowing pipe 35.

[0040] In an embodiment, referring to Figure 1 and Figure 3 , the driving assembly 36 includes a motor 360, the output end of the motor 360 is connected with a driving wheel 361, the side of the driving wheel 361 is engaged with a driven wheel 362, and the driven wheel 362 is sleeved on the flow dividing ring 33. In use, the motor 360 is started to drive the driving wheel 361 to rotate, the driving wheel 361 drives the driven wheel 362 to rotate, so that the driven wheel 362 drives the flow dividing ring 33 and the exhaust bracket 34 to rotate, so that the gas outlet of the blowing pipe 35 rotates around the trackball. The driving assembly 36 expands the blowing range and reduces the blowing dead angle.

[0041] In an embodiment, referring to Figure 1 and Figure 3 , the outer surface of the driving wheel 361 is provided with a plurality of sawtooth groups 3610 which are arranged in a circumferential array, a gap is left between each sawtooth group 3610, the driven wheel 362 is provided with a short arc tooth group 3620 which is engaged with the sawtooth group 3610, the interior of the pressing plate 22 is connected with a lug 363, and the driven wheel 362 is connected with the lug 363 through the second spring 364. In use, the driving wheel 361 drives each sawtooth group 3610 to rotate, drives the short arc tooth group 3620 to rotate, and resets the driven wheel 362 through the pulling force of the second spring 364 in the gap separated from the sawtooth group 3610, so as to realize the back-and-forth swinging effect of the flow dividing ring 33 and the exhaust bracket 34.

[0042] In an embodiment, referring to Figure 1The side of the regulator body 1 is connected with a dust cover 37, which does dustproof treatment to the regulator body 1. The side wall of the dust cover 37 away from the regulator body 1 is provided with a notch matched with the connecting rod 21, and the lower end of the connecting rod 21 is provided with a dust screen 38 matched with the notch. The notch is used for avoiding the connecting rod 21 from interfering with the movement of the dust cover 37 when the dust cover 37 is fixed to the track ball, and the dust screen 38 is used for making up the dustproof gap caused by the notch of the dust cover 37.

[0043] In an embodiment, referring to Figure 3 The maximum outer diameter of the exhaust bracket 34 is greater than the outer diameter of the non-slip pad 23, so as to prevent the non-slip pad 23 from hindering the air blowing.

[0044] The specific use process of the utility model is as follows: after the track ball is used to adjust the position of the object table and the sample image is clearly imaged, the connecting rod 21 in the vertical state is rotated to the horizontal state, the first spring 24 is rotated along with the connecting rod 21, and a movement track of elongation first and then contraction is generated, and then a downward pulling force is generated on the connecting rod 21, so that the connecting rod 21 drives the non-slip pad 23 to adhere to and abut against the track ball through the pressing plate 22, so as to prevent the track ball from rotating.

[0045] When the non-slip pad 23 adheres to the track ball, the air blowing assembly 30 is started, the air blowing assembly 30 generates gas which is delivered into the rotary joint 32 through the air pipe, then enters the blowing pipe 35 through the flow divider 33, so that the blowing pipe 35 blows air to the surface of the track ball, and then the driving assembly 36 is started to drive the flow divider 33 and the exhaust bracket 34 to rotate, so as to drive the blowing pipe 35 to rotate, and the track ball is blown to rotate, so that the dust at the connection between the track ball and the shell of the regulator body 1 is blown off.

[0046] Therefore, the utility model effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

[0047] The above embodiment only exemplarily illustrates the principle and effect of the utility model, and is not used for limiting the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and category of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A sample track adjustment device for Raman detection, characterized in that, The utility model relates to a kind of regulator, including: Regulator body (1), antiskid device (2) and dust removal device (3); The antiskid device (2) includes support (20), connecting rod (21), pressing plate (22), antiskid pad (23) and first spring (24), one end of connecting rod (21) is connected with pressing plate (22), the lower end of pressing plate (22) is connected with antiskid pad (23), antiskid pad (23) is located just above the track ball of regulator body (1), the other end of connecting rod (21) is connected with regulator body (1) by support (20), support (20) and connecting rod (21) are also connected by first spring (24) between them; The dust removal device (3) is installed on the antiskid device (2), for blowing and dust removal to the track ball on the regulator body (1).

2. A sample track adjustment device for Raman detection according to claim 1, characterized in that: The antiskid pad (23) is annular structure and the inner side wall is provided with the arc concave surface matched with the shape of the track ball of regulator body (1), for being combined with the outer surface of track ball, increase friction.

3. A sample track adjustment device for Raman detection according to claim 1, characterized in that: The support (20) is outwardly extended to form a U-shaped frame (201) at the position of the opposite side of the connecting rod (21) and is downwardly biased, the two ends of the first spring (24) are connected with the middle part of the U-shaped frame (201) and the middle part of the connecting rod (21) respectively, and the opposite sides of the support (20) and the connecting rod (21) are provided with openings matched with the first spring (24). The upper ends of the support (20) are extended upward to form a baffle (202) on both sides, for limiting the activity range of the connecting rod (21).

4. The sample path adjustment device for Raman detection of claim 1, wherein: The dust removal device (3) includes a pumping assembly (30), a gas delivery pipe (31), a rotary joint (32), a flow divider ring (33), an exhaust support (34), a blowing pipe (35), and a drive assembly (36). The pumping assembly (30) is installed on the upper surface of the connecting rod (21), the output end of the pumping assembly (30) is connected with the gas inlet end of the gas delivery pipe (31), the other end of the gas delivery pipe (31) extends into the interior of the pressing plate (22) and is connected with the rotary joint (32), the lower end of the rotary joint (32) is connected with the flow divider ring (33) and penetrates each other, the upper end of the exhaust support (34) penetrates the pressing plate (22) and is connected with the flow divider ring (33), and the interior of the exhaust support (34) is provided with a plurality of blowing pipes (35), and each blowing pipe (35) is connected with the flow divider ring (33). The drive assembly (36) is used to drive the flow divider ring (33) and the exhaust support (34) to rotate, and expand the blowing range of the blowing pipe (35).

5. A sample track adjustment device for Raman detection according to claim 4, characterized in that: The drive assembly (36) includes a motor (360), the output end of the motor (360) is connected with a driving wheel (361), the side edge of the driving wheel (361) is engaged with a driven wheel (362), and the driven wheel (362) is sleeved on the flow divider ring (33).

6. A sample track adjustment device for Raman detection according to claim 5, characterized in that: The outer surface of the driving wheel (361) is provided with a plurality of circumferential array distribution of sawtooth groups (3610), each of the sawtooth groups (3610) is left with a gap, the driven wheel (362) is provided with a short arc tooth group (3620) engaged with the sawtooth group (3610), the inside of the pressing plate (22) is connected with a lug (363), and the driven wheel (362) and the lug (363) are connected with a second spring (364).

7. A sample track adjustment device for Raman detection according to claim 1, characterized in that: The side of the regulator body (1) is connected with a dust cover (37), the side wall of the dust cover (37) away from the regulator body (1) is provided with a notch matched with the connecting rod (21), and the lower end of the connecting rod (21) is provided with a dust screen (38) matched with the notch.

8. A sample track adjustment device for Raman detection according to claim 4, characterized in that: The maximum outer diameter of the exhaust support (34) is greater than the outer diameter of the non-slip pad (23), so as to prevent the non-slip pad (23) from hindering the air blowing.

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