CN219065852U - Spectrometer focal length calibrating device - Google Patents

Abstract

The utility model discloses a spectrometer focal length calibration device which comprises a box body, wherein a box cover is arranged at the top of the box body, a first lens and a second lens are arranged in the box body, clamping blocks are arranged at two ends of the first lens and the second lens, the clamping blocks above the first lens and the second lens are fixedly connected with a movable block, the movable block is penetrated by a threaded rod, one end of the threaded rod is provided with a bearing, the other end of the threaded rod penetrates through the side wall of the box body and is fixedly connected with a first gear, the first gear is connected with the side wall of the box body through the bearing, a rocker is arranged on the surface of the first gear, the first gear is connected with the second gear in a meshed manner, and the rocker is arranged on the surface of the second gear. The utility model has the advantages that: the focusing distance can be calibrated more accurately; the maintenance is convenient; the inside is convenient for heat dissipation.

Description

A spectrometer focus calibration device

technical field

The utility model relates to the technical field of spectrometers, in particular to a spectrometer focus calibration device.

Background technique

In a spectrometer, a lens is an optical component that is often applied to converge, collimate or diverge the light propagating in the optical path. If the lens is installed incorrectly, it will directly affect the imaging quality of the entire optical system. Therefore, the installation and positioning of the lens is very important. When measuring with a spectrometer, it is usually necessary to adjust and calibrate the focal length. There are installation errors in the components used to fix optical components such as lenses. Therefore, in the actual assembly process, it takes a long time to adjust the focal length of the lens. At the same time, the lack of a heat dissipation mechanism inside may easily affect the normal detection of the spectrometer.

Utility model content

The utility model aims to solve the above technical problems, and provides a spectrometer focus calibration device.

In order to solve the above technical problems, the technical solution provided by the utility model is: a spectrometer focal length calibration device, including a box, the top of the box is provided with a box cover, and the inside of the box is provided with a lens 1 and a lens 2 , both ends of lens one and lens two are provided with clamping blocks, the clamping blocks above lens one and lens two are fixedly connected to the movable block, the movable block is penetrated by a threaded rod, and the One end of the threaded rod is provided with a bearing, and the other end passes through the side wall of the box body and is fixedly connected with the gear one. The gear one is meshed with the gear two, and the surface of the two gears is provided with a rocking bar two.

As an improvement, the box cover is hinged to the box body, the top is provided with a vent, and the vent is provided with a dust-proof net.

As an improvement, the clamping blocks at the bottoms of the first lens and the second lens are fixedly connected with sliding blocks.

As an improvement, a fan is provided at the bottom of the box, and a filter plate is provided outside the fan.

As an improvement, the radius of the first gear is greater than the radius of the second gear.

As an improvement, a grating is provided between the first lens and the second lens.

As an improvement, the inner wall of the movable block in contact with the threaded rod is provided with threads, which are threadedly engaged with the threaded rod.

Compared with the prior art, the utility model has the following advantages:

1. There are lens 1 and lens 2 in the box, which are fixed by the clamping block. The top of the clamping block is fixedly connected with a movable block. The movable block is penetrated by a threaded rod, and the inner wall is engaged with the threaded rod. When the threaded rod rotates, the movable block Shift to adjust the position of lens 1 and lens 2.

2. The end of the threaded rod is connected with gear 1, and gear 1 is meshed with gear 2. The radius of gear 2 is smaller than that of gear 1. The position of lens 1 and lens 2 can be quickly adjusted through gear 1, and the small distance can be adjusted through gear 2. , making the focus adjustment more precise.

3. There is a fan at the bottom of the box, and a vent at the cover, which can accelerate the air flow, dissipate heat inside the box, and prevent dust from entering through the dust-proof filter.

Description of drawings

Fig. 1 is a schematic diagram of the internal structure of a spectrometer focus calibration device of the present invention.

Fig. 2 is a structural schematic diagram of a gear of a spectrometer focus calibration device of the present invention.

As shown in the figure: 1. Box body; 2. Box cover; 3. Lens 1; 4. Lens 2; 5. Clamping block; 6. Movable block; 7. Threaded rod; 8. Gear 1; 9. Rocker 1; 10, gear 2; 11, rocker 2; 12, sliding block; 13, fan; 14, filter plate; 15, grating.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "top/bottom" etc. Based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the invention.

In the description of the present utility model, it should be noted that unless otherwise specified and limited, the term "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

A spectrometer focal length calibration device, comprising a box 1, as shown in Figure 1-2, the top of the box 1 is provided with a box cover 2, the inside of the box 1 is provided with a lens one 3 and a lens two 4, Both ends of the lens one 3 and the lens two 4 are provided with a clamping block 5, the clamping block 5 above the lens one 3 and the lens two 4 is fixedly connected with the movable block 6, and the movable block 6 is formed by The threaded rod 7 runs through, and the inner wall of the movable block 6 in contact with the threaded rod 7 is provided with threads, which are threadedly engaged with the threaded rod 7. When the threaded rod 7 rotates, the movable block 6 is displaced, and the lens one 3 and the lens two 4 are adjusted. Location.

One end of the threaded rod 7 is provided with a bearing, and the other end passes through the side wall of the box body 1 and is fixedly connected with the gear one 8. The gear one 8 is connected with the side wall of the box body through the bearing, and the surface of the gear one 8 is A rocking bar 9 is provided, the gear one 8 is meshed with a gear two 10, the surface of the gear two 10 is provided with a rocking bar two 11, the radius of the gear one 8 is greater than the radius of the gear two 10, The positions of the first lens 3 and the second lens 4 can be quickly adjusted through the first gear 8, and the small distance can be adjusted through the second gear 10 to make the focal length adjustment more precise.

The box cover 2 is hinged with the box body 1, the top is provided with a vent, the vent is provided with a dust-proof net, the bottom of the box 1 is provided with a fan 13, and the outside of the fan 13 is provided with a filter plate 14. It can accelerate the air flow, dissipate heat inside the box body 1, and prevent dust from entering through the dust-proof net and the filter plate 14.

The working principle of the utility model: by turning the rocker one 9, the rotating gear one 8 can quickly adjust the positions of the lens one 3 and the lens two 4; The adjustment is more precise, and the fan 13 is used to dissipate heat inside. When the inside is overhauled, just open the case cover 2 to get final product.

The utility model and its implementations have been described above. This description is not restrictive, and what is shown in the drawings is only one of the implementations of the utility model, and the actual structure is not limited thereto. All in all, if a person of ordinary skill in the art is inspired by it, without departing from the purpose of the utility model, without creatively designing a structural method and embodiment similar to the technical solution, it shall be protected by the utility model scope.

Claims (7)

1. The utility model provides a spectrometer focal length calibrating device, includes box (1), its characterized in that: the novel portable electronic device is characterized in that a box cover (2) is arranged at the top of the box body (1), a first lens (3) and a second lens (4) are arranged inside the box body (1), clamping blocks (5) are arranged at two ends of the first lens (3) and the second lens (4), the clamping blocks (5) above the first lens (3) and the second lens (4) are fixedly connected with the movable blocks (6), the movable blocks (6) are penetrated by threaded rods (7), bearings are arranged at one ends of the threaded rods (7), the other ends of the threaded rods penetrate through the side wall of the box body (1) and are fixedly connected with a first gear (8), the first gear (8) is connected with the side wall of the box body through the bearings, a first rocker (9) is arranged on the surface of the first gear (8), the first gear (8) is connected with a second gear (10) in a meshed mode, and the second rocker (11) is arranged on the surface of the second gear (10).

2. A spectrometer focal length calibration apparatus as claimed in claim 1, wherein: the box cover (2) is hinged with the box body (1), the top is provided with a vent, and the vent is provided with a dust screen.

3. A spectrometer focal length calibration apparatus as claimed in claim 1, wherein: the clamping blocks (5) at the bottoms of the first lens (3) and the second lens (4) are fixedly connected with sliding blocks (12).

4. A spectrometer focal length calibration apparatus as claimed in claim 1, wherein: the bottom of the box body (1) is provided with a fan (13), and the outer side of the fan (13) is provided with a filter screen plate (14).

5. A spectrometer focal length calibration apparatus as claimed in claim 1, wherein: the radius of the first gear (8) is larger than that of the second gear (10).

6. A spectrometer focal length calibration apparatus as claimed in claim 1, wherein: and a grating (15) is arranged between the first lens (3) and the second lens (4).

7. A spectrometer focal length calibration apparatus as claimed in claim 1, wherein: the inner wall of the movable block (6) contacted with the threaded rod (7) is provided with threads which are engaged with the threaded rod (7).

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