Device for measuring inner diameter and outer diameter of quartz crucible

Abstract

The utility model discloses an internal and external diameter measuring device for a quartz crucible, which comprises a disc, two square tubes are symmetrically arranged on the outer wall of the disc, an observation window is embedded in the top of each square tube, a scale groove is formed in each observation window, linear grooves are formed in the bottom and the rear surface of each square tube, and the square tubes are arranged in the linear grooves. Two sliding blocks are installed in each square tube in a sliding mode, pointers are arranged at the tops of the sliding blocks, measuring rods are arranged at the bottoms of the sliding blocks, and pull rods are arranged on the rear surfaces of the sliding blocks; according to the quartz crucible inner and outer diameter measuring device provided by the utility model, the slide blocks are pushed to slide through the pull rod, the measuring rod is contacted with the inner and outer walls of the crucible, the pointer indicates the size in the scale groove, the linear groove guides the measuring rod and the pull rod to move, stability and reliability are ensured, the inner and outer diameters can be measured synchronously through the design of the two slide blocks, and operation complexity is reduced. And the inner diameter and the outer diameter of the quartz crucible can be measured at the same time, so that rapid measurement is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of quartz crucible measurement, in particular to a device for measuring the inner and outer diameters of a quartz crucible. Background Art

[0002] Quartz crucible is a high-temperature resistant container made of high-purity quartz material with excellent thermal shock resistance and chemical stability. It plays an important role in the purification, crystal growth and laboratory reaction of silicon materials. It is a key consumable in the high-tech industry. The inner and outer diameter measurement of quartz crucible is a key step to ensure its dimensional accuracy and stable performance. It is widely used in quality inspection and production control. Accurate inner and outer diameter dimensions help quartz crucibles achieve optimal matching and performance in fields such as semiconductors and photovoltaics.

[0003] However, high-precision measuring tools, such as a vernier caliper, are often used to measure the inner diameter of the crucible, and then the outer diameter is measured. This measurement method requires measuring the inner and outer diameters of the crucible separately, and the vernier caliper needs to be adjusted multiple times. Such an operation process is relatively complicated and time-consuming. The multiple adjustments also reduce the stability of the measurement results. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art.

[0005] To this end, one purpose of the present invention is to propose an inner and outer diameter measuring device for a quartz crucible. The inner and outer diameter measuring device for a quartz crucible pushes a slider to slide through a pull rod so that the measuring rod contacts the inner and outer walls of the crucible, and the pointer indicates the size in the scale groove. The two sliders are designed to measure the inner and outer diameters synchronously, reducing the complexity of operation and achieving rapid measurement.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a device for measuring the inner and outer diameters of a quartz crucible, comprising a circular disc, wherein two square tubes are symmetrically provided on the outer wall of the circular disc, an observation window is embedded in the top of the square tube, a scale groove is provided on the observation window, and a linear groove is provided on the bottom and rear surface of the square tube. Two sliders are slidably installed inside each of the square tubes, a pointer is provided on the top of the slider, a measuring rod is provided on the bottom of the slider, a pull rod is provided on the rear surface of the slider, the measuring rod passes through the linear groove at the bottom of the square tube, and the pull rod passes through the linear groove on the rear surface of the square tube.

[0007] Preferably, two springs are symmetrically fixedly connected to the outer wall of the disc, the springs are located inside the square tube, and one end of the spring is fixedly connected to one side of one of the sliders.

[0008] Preferably, the end of the pull rod is fixedly connected to a curved handle.

[0009] Preferably, an extension rod is rotatably mounted on one end of the bottom of the measuring rod via a bearing.

[0010] Preferably, a handle is provided on the top of the disc.

[0011] Preferably, the pointer is triangular.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the device for measuring the inner and outer diameters of a quartz crucible provided by the present invention pushes the slider to slide by a pull rod, so that the measuring rod contacts the inner and outer walls of the crucible, the pointer indicates the size in the scale groove, and the linear groove guides the movement of the measuring rod and the pull rod to ensure stability and reliability. The two sliders are designed to measure the inner and outer diameters synchronously, reducing the complexity of operation, and can simultaneously complete the measurement of the inner and outer diameters of the quartz crucible to achieve rapid measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of an inner and outer diameter measuring device for a quartz crucible according to an embodiment of the present utility model;

[0014] Figure 2 This is a schematic cross-sectional view of a device for measuring inner and outer diameters of a quartz crucible according to an embodiment of the present invention;

[0015] Figure 3 For the embodiment of the utility model Figure 2 Schematic diagram of the enlarged structure of part A.

[0016] In the figure: 1. Disc; 2. Square tube; 3. Observation window; 4. Scale groove; 5. Slider; 6. Pointer; 7. Pull rod; 8. Arc handle; 9. Handle; 10. Measuring rod; 11. Extension rod; 12. Spring; 13. Linear groove. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figure 1 An embodiment of the present utility model provides a device for measuring the inner and outer diameters of a quartz crucible, comprising: a disc 1.

[0019] Among them, Figure 1-Figure 3As shown, two square tubes 2 are symmetrically provided on the outer wall of the disc 1, an observation window 3 is embedded in the top of the square tube 2, and a scale groove 4 is provided on the observation window 3. The bottom and rear surface of the square tube 2 are provided with linear grooves 13. Two sliders 5 are slidably installed inside each square tube 2, and a triangular pointer 6 is provided on the top of the slider 5. A measuring rod 10 is provided at the bottom of the slider 5, and a pull rod 7 is provided on the rear surface of the slider 5. The measuring rod 10 passes through the linear groove 13 at the bottom of the square tube 2, and the pull rod 7 passes through the linear groove 13 on the rear surface of the square tube 2.

[0020] During use, the operating pull rod 7 pushes the slider 5 to slide in the square tube 2, so that the measuring rod 10 contacts the inner and outer walls of the crucible. At the same time, the pointer 6 indicates the size in the scale groove 4 on the observation window 3. The end of the pull rod 7 is fixedly connected with an arc handle 8, which is convenient for the operator to use the arc handle 8 to move the pull rod 7. The linear groove 13 provides guidance for the movement of the measuring rod 10 and the pull rod 7 to ensure stable and reliable measurement.

[0021] Further, refer to Figure 2 An extension rod 11 is rotatably mounted on one end of the bottom of the measuring rod 10 through a bearing. The extension rod 11 can rotate in contact with the inner wall of the quartz crucible, and rubs the inner wall of the quartz crucible when rotating to measure the inner diameter of different points of the quartz crucible.

[0022] In this embodiment, Figure 2 and Figure 3 As shown, two springs 12 are symmetrically fixedly connected to the outer wall of the disk 1. The spring 12 is located inside the square tube 2, and one end of the spring 12 is fixedly connected to one side of one of the sliders 5. The spring 12 can squeeze the sliders 5 in the two square tubes 2 to move toward the two ends of the square tube 2, so that the measuring rod 10 can automatically fit the inner wall of the quartz crucible, thereby improving the measurement efficiency.

[0023] Specifically, a handle 9 is provided on the top of the disc 1 , and an operator can lift the transport device through the handle 9 .

[0024] According to the above technical solution, the working steps of this solution are summarized and sorted out: the quartz crucible inner and outer diameter measuring device realizes precise measurement through the cooperation of the slider 5, the measuring rod 10, the pointer 6 and the scale groove 4. When in use, the operating pull rod 7 pushes the slider 5 to slide in the square tube 2, so that the measuring rod 10 contacts the inner and outer walls of the crucible. At the same time, the pointer 6 indicates the size on the scale groove 4 on the observation window 3. The linear groove 13 provides guidance for the movement of the measuring rod 10 and the pull rod 7 to ensure stable and reliable measurement. The design of the two sliders 5 enables the device to measure the inner and outer diameters of the crucible at the same time, realizes fast measurement, reduces operation complexity, and can complete the inner and outer diameter measurements of the quartz crucible at the same time.

[0025] Any portion not described in the present invention is the same as the prior art or can be implemented using the prior art. Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for measuring the inner and outer diameters of a quartz crucible, comprising a disk (1), the outer wall of which is symmetrically provided with two square tubes (2), characterized in that: An observation window (3) is embedded in the top of the square tube (2), and a scale groove (4) is provided on the observation window (3). The bottom and rear surface of the square tube (2) are both provided with linear grooves (13). Two sliders (5) are slidably installed inside each square tube (2), and a pointer (6) is provided on the top of the slider (5). A measuring rod (10) is provided on the bottom of the slider (5). A pull rod (7) is provided on the rear surface of the slider (5). The measuring rod (10) passes through the linear groove (13) at the bottom of the square tube (2), and the pull rod (7) passes through the linear groove (13) on the rear surface of the square tube (2).

2. The device for measuring inner and outer diameters of a quartz crucible according to claim 1, wherein: Two springs (12) are symmetrically fixedly connected to the outer wall of the disc (1), the springs (12) are located inside the square tube (2), and one end of the spring (12) is fixedly connected to one side of one of the sliders (5).

3. The device for measuring inner and outer diameters of a quartz crucible according to claim 1, wherein: The end of the pull rod (7) is fixedly connected with an arc-shaped handle (8).

4. The device for measuring inner and outer diameters of a quartz crucible according to claim 1, wherein: An extension rod (11) is rotatably mounted on one end of the bottom of the measuring rod (10) via a bearing.

5. The device for measuring inner and outer diameters of a quartz crucible according to claim 1, wherein: A handle (9) is provided on the top of the disc (1).

6. The device for measuring inner and outer diameters of a quartz crucible according to claim 1, wherein: The pointer (6) is in a triangular shape.

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