Angle adjusting structure for polarimeter

Abstract

The utility model relates to the technical field of polarimeters, and discloses an angle adjusting structure for a polarimeter, which comprises a bottom plate and a polarimeter body, an adjusting mechanism is arranged at the top of the bottom plate, a fixing mechanism is arranged at the top of the bottom plate, and the adjusting mechanism comprises a rotating assembly and an inclined assembly. And the inclined assembly is arranged at the top of the rotating assembly. The needed appropriate angle is adjusted according to the index of the pointer and the index of the dial, the angle adjustment is more accurate, the tooth-shaped structure of the bevel-missing gear is meshed with the second bevel gear, the rotating disc rotates, and then the rotating disc rotates reversely after the tooth-shaped structure of the bevel-missing gear is meshed with the first bevel gear. The rotation angle of the polarimeter body can be further adjusted, so that the polarimeter body has the characteristics of multidirectional adjustment and high flexibility, the non-slip mat is tightly attached to the periphery of the polarimeter body, the polarimeter body cannot move in the adjustment process, shaking in the detection process is avoided, and the accuracy of detection data is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polarimeters, in particular to an angle adjustment structure used for a polarimeter. Background Art

[0002] Polarimeter is an instrument for measuring the optical rotation of a substance. By measuring the optical rotation of a sample, the concentration, content and purity of the substance can be analyzed and determined. It is widely used in pharmaceutical, drug testing, sugar, food, spices, monosodium glutamate, chemical, petroleum and other industrial production, scientific research, and teaching departments for laboratory analysis or process quality control. When using a polarimeter, its angle needs to be adjusted, so an angle adjustment structure for the polarimeter is needed.

[0003] According to the description of a polarimeter with easy angle adjustment disclosed in the patent website (authorization announcement number: CN 220040240U), "The utility model relates to the technical field of polarimeter. The utility model discloses a polarimeter with easy angle adjustment, which effectively solves the problem that the observation lens barrel of the current polarimeter cannot adjust the viewing angle up and down, and after long-term use, the heat of the sodium lamp cannot be dissipated in time, which is easy to cause adverse effects and data deviation in the detection process; it includes a bottom plate, an observation lens barrel and a sodium lamp, the upper surface of the bottom plate is fixedly connected with a fixing seat on the left side, the upper surface of the bottom plate is fixedly connected with a lamp barrel on the right side, the sodium lamp is installed on the left side of the lamp barrel, and a heat dissipation component is arranged inside the lamp barrel; compared with the traditional polarimeter, the utility model can adjust the viewing angle up and down according to the needs, improve the detection accuracy, and has better practicality. Moreover, by setting the heat dissipation component, the heat emitted by the sodium lamp during operation can be discharged in time, which prolongs the continuous working time of the sodium lamp and improves the service life."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, the utility model is threadedly connected to the movable block through the provided screw rod, and the connecting rod drives the observation lens barrel to rotate around the circular axis until the observation lens barrel is adjusted to a suitable angle. However, in actual use, the observation lens barrel can only be adjusted up and down, and cannot be adjusted left and right. The angle adjustment is limited during polarimetry detection, which is inconvenient to use. Therefore, it is necessary to improve an angle adjustment structure for a polarimeter to solve the above problem. Utility Model Content

[0006] The purpose of the utility model is to provide an angle adjustment structure for a polarimeter to solve the problems raised in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical solutions: an angle adjustment structure for a polarimeter, comprising a bottom plate and a polarimeter body, the top of the bottom plate being provided with an adjustment mechanism, and the top of the bottom plate being provided with a fixing mechanism;

[0008] The adjusting mechanism comprises a rotating assembly and a tilting assembly, and the tilting assembly is arranged on the top of the rotating assembly.

[0009] Preferably, the rotating assembly includes an installation box, the installation box is fixedly installed on the top of the base plate, a rotating rod is rotatably installed inside the installation box, a bevel gear 1 is fixedly installed outside the rotating rod, a bevel gear 2 is fixedly installed outside the rotating rod, a rotating disk is fixedly installed on the top of the rotating rod, a worm gear is rotatably installed inside the installation box, a missing bevel gear is fixedly installed on the left side of the worm gear, a worm 1 is rotatably installed inside the base plate, and a handwheel is fixedly installed on the front of the worm 1, which can adjust the rotation angle of the polarimeter body, so that it has the characteristics of multi-directional adjustment and high flexibility.

[0010] Preferably, the bevel gear one and the bevel gear two are respectively arranged at the upper and lower ends of the rotating rod, and both are meshed with the tooth structure of the missing bevel gear, the worm wheel is meshed with worm one, through holes are provided at the corresponding positions of the mounting box and the rotating rod, and the rotating rod is fixedly installed with the rotating disk through the through hole, the tooth structure of the missing bevel gear is meshed with the bevel gear two, so that the rotating disk rotates, and then after the tooth structure of the missing bevel gear is meshed with the bevel gear one, the rotating disk is reversed.

[0011] Preferably, the tilting assembly includes a mounting seat, the mounting seat is fixedly mounted on the top of the rotating disk, a fan-shaped worm gear is fixedly mounted on the outside of the mounting seat, a sliding plate is slidably mounted on the top of the mounting seat, a dial is fixedly mounted on the front of the mounting seat, a pointer is fixedly mounted on the front of the sliding plate, a support plate is fixedly mounted on the top of the sliding plate, a worm gear 2 is rotatably mounted on the bottom of the support plate, a handle is fixedly mounted on the left side of the worm gear 2, and the required appropriate angle is adjusted according to the index of the pointer and the dial, so that the adjustment angle can be adjusted more accurately.

[0012] Preferably, an arc-shaped slider is fixedly installed at the bottom of the sliding plate, and a sliding groove is opened at the corresponding positions of the mounting seat and the arc-shaped slider, and the arc-shaped slider is slidably installed inside the sliding groove. Two sliding plates are provided and are symmetrically distributed at the center line position of the right side of the support plate. The second worm is engaged with the fan-shaped worm gear to make the support plate rotate on the top of the fan-shaped worm gear.

[0013] Preferably, the fixing mechanism includes a fixing plate, a spring is fixedly installed on the inner side of the fixing plate, a clamping plate is fixedly installed on the end of the spring away from the fixing plate, an anti-slip pad is fixedly installed on the inner side of the clamping plate, a connecting rod is fixedly installed on the end of the clamping plate close to the fixing plate, and a pull rod is fixedly installed on the end of the connecting rod away from the clamping plate, so that the anti-slip pad is closely attached to the periphery of the polarimeter body, so that the polarimeter body will not move during the adjustment process, thereby avoiding shaking during the detection process and increasing the accuracy of the detection data.

[0014] Preferably, through holes are provided at corresponding positions of the fixing plate and the connecting rod, and the connecting rod is slidably installed inside the through holes. Two groups of the fixing mechanisms are provided and are symmetrically distributed on the right side center line of the support plate to clamp both sides of the polarimeter body to prevent sliding.

[0015] Compared with the prior art, the utility model provides an angle adjustment structure for a polarimeter, which has the following beneficial effects:

[0016] 1. The angle adjustment structure for the polarimeter, through the setting adjustment mechanism, during use, the second worm rotates to drive the support plate to rotate on the top of the fan-shaped worm gear, so as to adjust the required appropriate angle according to the index of the pointer and the dial, so that the adjustment angle can be adjusted more accurately, and the rotating disk can be rotated to adjust the rotation angle of the polarimeter body, so that it has the characteristics of multi-directional adjustment and high flexibility.

[0017] 2. The angle adjustment structure for the polarimeter, through the provided fixing mechanism, enables the anti-slip pad to be closely attached to the periphery of the polarimeter body during use, so that the polarimeter body will not move during the adjustment process, thereby avoiding shaking during the detection process and increasing the accuracy of the detection data. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the rotating assembly of the utility model;

[0022] Figure 4This is a schematic diagram of the appearance structure of the tilting component of the utility model;

[0023] Figure 5 This is a schematic diagram of the appearance structure of the fixing mechanism of the utility model.

[0024] In the figure: 1. bottom plate; 2. polarimeter body; 3. adjustment mechanism; 31. rotating assembly; 311. mounting box; 312. rotating rod; 313. bevel gear one; 314. bevel gear two; 315. rotating disk; 316. worm gear; 317. missing bevel gear; 318. worm one; 319. hand wheel; 32. tilting assembly; 321. mounting seat; 322. fan-shaped worm gear; 323. dial; 324. sliding plate; 325. pointer; 326. support plate; 327. worm two; 328. handle; 4. fixing mechanism; 41. fixing plate; 42. spring; 43. clamping plate; 44. anti-slip pad; 45. connecting rod; 46. pull rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Embodiment 1:

[0028] See also Figure 1-4 , the utility model provides a technical solution: an angle adjustment structure for a polarimeter, comprising a bottom plate 1 and a polarimeter body 2, an adjustment mechanism 3 is arranged on the top of the bottom plate 1, and a fixing mechanism 4 is arranged on the top of the bottom plate 1;

[0029] The adjusting mechanism 3 includes a rotating assembly 31 and a tilting assembly 32 , and the tilting assembly 32 is arranged on the top of the rotating assembly 31 .

[0030] Furthermore, the rotating assembly 31 includes an installation box 311, which is fixedly installed on the top of the base plate 1. A rotating rod 312 is rotatably installed inside the installation box 311, a bevel gear 1 313 is fixedly installed outside the rotating rod 312, a bevel gear 2 314 is fixedly installed outside the rotating rod 312, a rotating disk 315 is fixedly installed on the top of the rotating rod 312, a worm gear 316 is rotatably installed inside the installation box 311, a missing bevel gear 317 is fixedly installed on the left side of the worm gear 316, a worm 1 318 is rotatably installed inside the base plate 1, and a handwheel 319 is fixedly installed on the front of the worm 1 318, which can adjust the rotation angle of the polarimeter body 2, so that it has the characteristics of multi-directional adjustment and high flexibility.

[0031] Furthermore, bevel gear 1 313 and bevel gear 2 314 are respectively arranged at the upper and lower ends of the rotating rod 312, and both are meshed with the tooth structure of the missing bevel gear 317, the worm wheel 316 is meshed with the worm 1 318, and through holes are opened at the corresponding positions of the installation box 311 and the rotating rod 312, and the rotating rod 312 is fixedly installed with the rotating disk 315 through the through hole, and the tooth structure of the missing bevel gear 317 is meshed with the bevel gear 2 314, so that the rotating disk 315 rotates, and then after the tooth structure of the missing bevel gear 317 is meshed with the bevel gear 1 313, the rotating disk 315 is reversed.

[0032] Furthermore, the tilting assembly 32 includes a mounting seat 321, which is fixedly mounted on the top of the rotating disk 315, a fan-shaped worm gear 322 is fixedly mounted on the outside of the mounting seat 321, a sliding plate 324 is slidably mounted on the top of the mounting seat 321, a dial 323 is fixedly mounted on the front of the mounting seat 321, a pointer 325 is fixedly mounted on the front of the sliding plate 324, a support plate 326 is fixedly mounted on the top of the sliding plate 324, a worm gear 327 is rotatably mounted on the bottom of the support plate 326, and a handle 328 is fixedly mounted on the left side of the worm gear 327, and the required appropriate angle is adjusted according to the index of the pointer 325 and the dial 323, so that the adjustment angle can be adjusted more accurately.

[0033] Furthermore, an arc-shaped slider is fixedly installed at the bottom of the sliding plate 324, and a sliding groove is opened at the corresponding position of the mounting seat 321 and the arc-shaped slider, and the arc-shaped slider is slidably installed inside the sliding groove. Two sliding plates 324 are provided, and are symmetrically distributed at the center line position on the right side of the support plate 326. The worm gear 327 is engaged with the fan-shaped worm gear 322, so that the support plate 326 rotates on the top of the fan-shaped worm gear 322.

[0034] Embodiment two:

[0035] See also Figure 5In combination with the first embodiment, it is further obtained that the fixing mechanism 4 includes a fixing plate 41, a spring 42 is fixedly installed on the inner side of the fixing plate 41, a clamping plate 43 is fixedly installed on the end of the spring 42 away from the fixing plate 41, an anti-slip pad 44 is fixedly installed on the inner side of the clamping plate 43, a connecting rod 45 is fixedly installed on the end of the clamping plate 43 close to the fixing plate 41, and a pull rod 46 is fixedly installed on the end of the connecting rod 45 away from the clamping plate 43, so that the anti-slip pad 44 is closely attached to the periphery of the polarimeter body 2, so that the polarimeter body 2 will not move during the adjustment process, thereby avoiding shaking during the detection process and increasing the accuracy of the detection data.

[0036] Furthermore, through holes are opened at corresponding positions of the fixing plate 41 and the connecting rod 45, and the connecting rod 45 is slidably installed inside the through holes. Two groups of fixing mechanisms 4 are provided and symmetrically distributed on the right side center line of the support plate 326 to clamp both sides of the polarimeter body 2 to prevent sliding.

[0037] In actual operation, when the device is used, the pull rod 46 is pulled open, and the pull rod 46 drives the connecting rod 45 to move. The movement of the connecting rod 45 squeezes the spring 42, drives the clamping plate 43 to move, and places the polarimeter body 2 inside the anti-skid pad 44. The pull rod 46 is released, and the spring 42 rebounds after losing its restriction, so that the anti-skid pad 44 is closely attached to the periphery of the polarimeter body 2, so that the polarimeter body 2 will not move during the adjustment process, avoiding shaking during the detection process, and increasing the accuracy of the detection data. The handle 328 is turned, and the rotation of the handle 328 drives the worm 327 to rotate, and the rotation of the worm 327 drives the support plate 326 to rotate on the top of the fan-shaped worm gear 322 The hand wheel 319 is moved, thereby adjusting the required appropriate angle according to the index of the pointer 325 and the dial 323, so that the adjustment angle can be adjusted more accurately, and the hand wheel 319 is turned, and the output end of the hand wheel 319 drives the worm 1 318 to rotate, and the rotation of the worm 1 318 drives the worm wheel 316 meshing therewith to rotate, so that the missing bevel gear 317 is rotated, and the tooth structure of the missing bevel gear 317 is meshed with the bevel gear 2 314, so that the rotating disk 315 is rotated, and then the tooth structure of the missing bevel gear 317 is meshed with the bevel gear 1 313, so that the rotating disk 315 is reversed, and then the rotation angle of the polarimeter body 2 can be adjusted, so that it has the characteristics of multi-directional adjustment and high flexibility.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. An angle adjustment structure for a polarimeter, comprising a base plate (1) and a polarimeter body (2), characterized in that: An adjusting mechanism (3) is provided on the top of the base plate (1), and a fixing mechanism (4) is provided on the top of the base plate (1); The adjusting mechanism (3) comprises a rotating assembly (31) and a tilting assembly (32), wherein the tilting assembly (32) is arranged on the top of the rotating assembly (31); The rotating assembly (31) comprises an installation box (311), the installation box (311) is fixedly installed on the top of the base plate (1), a rotating rod (312) is rotatably installed inside the installation box (311), a bevel gear 1 (313) is fixedly installed outside the rotating rod (312), a bevel gear 2 (314) is fixedly installed outside the rotating rod (312), a rotating disk (315) is fixedly installed on the top of the rotating rod (312), a worm gear (316) is rotatably installed inside the installation box (311), a missing bevel gear (317) is fixedly installed on the left side of the worm gear (316), a worm gear 1 (318) is rotatably installed inside the base plate (1), and a hand wheel (319) is fixedly installed on the front of the worm gear 1 (318); The tilting assembly (32) comprises a mounting seat (321), wherein the mounting seat (321) is fixedly mounted on the top of the rotating disk (315), a sector worm gear (322) is fixedly mounted on the outside of the mounting seat (321), a sliding plate (324) is slidably mounted on the top of the mounting seat (321), a dial plate (323) is fixedly mounted on the front of the mounting seat (321), a pointer (325) is fixedly mounted on the front of the sliding plate (324), a supporting plate (326) is fixedly mounted on the top of the sliding plate (324), a worm gear (327) is rotatably mounted on the bottom of the supporting plate (326), and a handle (328) is fixedly mounted on the left side of the worm gear (327).

2. The angle adjustment structure for a polarimeter according to claim 1, characterized in that: The bevel gear 1 (313) and the bevel gear 2 (314) are respectively arranged at the upper and lower ends of the rotating rod (312), and both are meshed with the tooth structure of the missing bevel gear (317); the worm wheel (316) is meshed with the worm gear 1 (318); through holes are opened at corresponding positions of the installation box (311) and the rotating rod (312), and the rotating rod (312) passes through the through holes and is fixedly installed with the rotating disk (315).

3. The angle adjustment structure for a polarimeter according to claim 1, characterized in that: An arc-shaped slider is fixedly mounted on the bottom of the sliding plate (324), and a slide groove is provided at the corresponding position of the mounting seat (321) and the arc-shaped slider, and the arc-shaped slider is slidably mounted inside the slide groove. Two sliding plates (324) are provided and are symmetrically distributed at the center line position on the right side of the support plate (326), and the second worm (327) is meshed with the fan-shaped worm wheel (322).

4. The angle adjustment structure for a polarimeter according to claim 1, characterized in that: The fixing mechanism (4) comprises a fixing plate (41), a spring (42) is fixedly mounted on the inner side of the fixing plate (41), a clamping plate (43) is fixedly mounted on one end of the spring (42) away from the fixing plate (41), an anti-slip pad (44) is fixedly mounted on the inner side of the clamping plate (43), a connecting rod (45) is fixedly mounted on one end of the clamping plate (43) close to the fixing plate (41), and a pulling rod (46) is fixedly mounted on one end of the connecting rod (45) away from the clamping plate (43).

5. The angle adjustment structure for a polarimeter according to claim 4, characterized in that: Through holes are provided at positions corresponding to the fixing plate (41) and the connecting rod (45), and the connecting rod (45) is slidably mounted inside the through holes. The fixing mechanism (4) is provided with two groups and is symmetrically distributed on the right side center line of the support plate (326).

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