Phase contrast ring plate set based on thread compression structure

Abstract

The application discloses a phase contrast ring plate set based on a threaded compression structure and relates to the technical field of microscopes.The phase contrast ring plate set comprises an upper seat, a phase contrast ring plate and a lower seat.The upper seat is coaxially provided with a cover, a connecting section and a compression section from top to bottom in sequence, and the outer wall of the connecting section is provided with external threads.The lower seat is coaxially provided with a mounting hole and a second through hole from top to bottom in sequence, and the inner wall of the mounting hole is provided with internal threads matched with the external threads.The phase contrast ring plate is accommodated in the mounting hole of the lower seat and supported on the annular step end face.The lower end face of the compression section is compressed against the phase contrast ring plate through threaded cooperation.The upper seat is screwed to the lower seat, and the cover covers the upper end face of the lower seat.The upper seat and the lower seat are connected through threads in the application, the stable installation of the phase contrast ring plate is realized, different specifications of the phase contrast ring plate can be conveniently replaced, and the upper seat and the lower seat are integrally formed on the outside after being screwed together through the arrangement of the cover, and the overall aesthetic appearance is not affected.

Description

Technical Field

[0001] This utility model relates to the technical field of microscopes, and specifically to a phase-contrast ring plate assembly based on a threaded clamping structure. Background Technology

[0002] Currently, microscopes utilize phase contrast rings of various sizes to meet user needs. Due to space constraints, the walls of these rings are relatively thin, such as... Figure 5 As shown, the phase-supporting ring plate 3 is usually glued to the phase-supporting ring plate seat 4. However, this type of phase-supporting ring plate assembly has the following problems: because the phase-supporting ring plate is thin and has few bonding surfaces, the bonding is unreliable, the bonding effect is not easy to detect and control, and there is a risk that the phase-supporting ring plate will fall off the phase-supporting ring plate seat; the adhesive overflows, making cleaning difficult, and the cleaning agent can easily cause discoloration of the phase-supporting ring plate surface, etc. Utility Model Content

[0003] To address the aforementioned problems, this invention provides a phase-supporting ring plate assembly based on a threaded clamping structure.

[0004] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0005] A phase-supporting ring plate assembly based on a threaded clamping structure includes an upper seat, a phase-supporting ring plate, and a lower seat;

[0006] The upper seat is coaxially provided with a cover, a connecting section and a pressing section from top to bottom. The upper seat has a first through hole through it along the axial direction. The outer wall of the connecting section is provided with external threads.

[0007] The lower seat is coaxially provided with a mounting hole and a second through hole from top to bottom. The inner wall of the mounting hole is provided with an internal thread that mates with the external thread. The diameter of the mounting hole is larger than that of the second through hole, so that an annular stepped end face is formed between the mounting hole and the second through hole.

[0008] The phase-supporting ring plate is housed in the mounting hole of the lower seat and supported on the annular step end face; the connecting section of the upper seat is screwed into the mounting hole of the lower seat, and the lower end face of the pressing section of the upper seat presses the phase-supporting ring plate through threaded engagement.

[0009] The cover is configured such that when the upper seat is screwed tightly to the lower seat via the external thread of the connecting section, the cover covers the upper end face of the lower seat.

[0010] Optionally, the gap height between the lower end face of the cover and the upper end face of the lower seat is 0.05 to 0.1 mm.

[0011] Optionally, both the external thread of the connecting section and the internal thread of the mounting hole are made of 0.5mm fine thread.

[0012] Optionally, the outer diameter of the clamping section is smaller than the outer diameter of the connecting section.

[0013] The technical solution provided by this utility model has the following beneficial effects:

[0014] 1. The upper and lower seats are connected by threads to ensure stable installation of the phase support ring plate and prevent it from falling off; at the same time, it facilitates the replacement of phase support ring plates of different specifications.

[0015] 2. The upper seat, with its cap, allows the upper and lower seats to be screwed together, forming a single external structure that does not affect the overall aesthetics.

[0016] 3. Phase lining rings do not require adhesive fixing, making RoHS requirements easier to control and meet. Attached Figure Description

[0017] Figure 1 This is an overall sectional view of this embodiment;

[0018] Figure 2 yes Figure 1 Enlarged view of point A in the middle;

[0019] Figure 3 This is a cross-sectional view of the entire embodiment after explosion;

[0020] Figure 4 yes Figure 3 Enlarged view of point B in the middle;

[0021] Figure 5 This is a schematic diagram of existing technology.

[0022] Explanation of reference numerals in the attached drawings: 1. Upper seat; 11. Cover; 12. Connecting section; 121. External thread; 13. Clamping section; 14. First through hole; 2. Phase ring plate; 3. Lower seat; 31. Mounting hole; 311. Internal thread; 32. Second through hole; 33. Annular step end face; 4. Phase ring plate seat. Detailed Implementation

[0023] To further illustrate the various embodiments, the present invention provides accompanying drawings. These drawings are part of the disclosure of the present invention and are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these drawings, those skilled in the art should be able to understand other possible implementations and the advantages of the present invention. Components in the drawings are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0025] ReferenceFigures 1-4 This embodiment provides a phase-supporting ring plate assembly based on a threaded clamping structure, including an upper seat 1, a phase-supporting ring plate 2, and a lower seat 3. For ease of description, it is referred to as... Figure 1 The orientation of the phase-supporting ring plate assembly is described.

[0026] The upper seat 1 is coaxially arranged with a cover 11, a connecting section 12, and a pressing section 13 from top to bottom. The upper seat 1 has a first through hole 14 extending through it along the axial direction, and the outer wall of the connecting section 12 is provided with an external thread 121.

[0027] The lower seat 3 has a mounting hole 31 and a second through hole 32 coaxially arranged from top to bottom. The inner wall of the mounting hole 31 is provided with an internal thread 311 that mates with the external thread 121. The diameter of the mounting hole 31 is larger than that of the second through hole 32, so that an annular stepped end face 33 is formed between the mounting hole 31 and the second through hole 32. After the upper seat 1 and the lower seat 3 are screwed together, the second through hole 32 is coaxial with the first through hole 14.

[0028] The supporting ring plate 2 is housed in the mounting hole 31 of the lower seat 3 and supported on the annular step end face 33. The connecting section 12 of the upper seat 1 is screwed into the mounting hole 31 of the lower seat 3, and the lower end face of the pressing section 13 of the upper seat 1 presses the supporting ring plate 2 together through the threaded engagement. That is, the supporting ring plate 2 is clamped and fixed between the lower end face of the pressing section 13 and the annular step end face 33.

[0029] The cover 11 is configured such that when the upper seat 1 is screwed to the lower seat 3 via the external thread 121 of the connecting section 12, the cover 11 covers the upper end face of the lower seat 3, thereby making the upper seat 1 and the lower seat 3 form an integral structure.

[0030] The upper seat 1 and the lower seat 3 are connected by threads to ensure stable installation of the phase-supporting ring plate 2 and prevent it from falling off. This also facilitates the replacement of phase-supporting ring plates 2 of different specifications. The cover 11 on the upper seat 1 ensures that after the upper seat 1 and the lower seat 3 are screwed together, they form a single, integrated structure without affecting the overall aesthetics. Furthermore, the phase-supporting ring plate 2 does not require adhesive bonding, making it easier to control and comply with the EU's RoHS (Royalty and Safety Directive) electrical industry standard.

[0031] Furthermore, after the upper seat 1 and the lower seat 3 are screwed together, the gap height H between the lower end face of the cover 11 and the upper end face of the lower seat 3 is 0.05 to 0.1 mm.

[0032] Furthermore, the external thread 121 of the connecting section 12 and the internal thread 311 of the inner wall of the mounting hole 31 both adopt 0.5mm fine thread to ensure a tight fit between the upper seat 1 and the lower seat 3.

[0033] Furthermore, the outer diameter of the pressing section 13 is smaller than the outer diameter of the connecting section 12, so that the lower end face of the pressing section 13 can smoothly abut against the phase ring plate 2.

[0034] Although the present invention has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that various changes in form and detail may be made to the present invention without departing from the spirit and scope of the present invention as defined in the appended claims, and all such changes shall be within the scope of protection of the present invention.

Claims

1. A phase-supporting ring plate assembly based on a threaded clamping structure, characterized in that: Includes the upper seat, the lining ring plate, and the lower seat; The upper seat is coaxially provided with a cover, a connecting section and a pressing section from top to bottom. The upper seat has a first through hole through it along the axial direction. The outer wall of the connecting section is provided with external threads. The lower seat is coaxially provided with a mounting hole and a second through hole from top to bottom. The inner wall of the mounting hole is provided with an internal thread that mates with the external thread. The diameter of the mounting hole is larger than that of the second through hole, so that an annular stepped end face is formed between the mounting hole and the second through hole. The phase-supporting ring plate is housed in the mounting hole of the lower seat and supported on the annular step end face; the connecting section of the upper seat is screwed into the mounting hole of the lower seat, and the lower end face of the pressing section of the upper seat presses the phase-supporting ring plate through threaded engagement. The cover is configured such that when the upper seat is screwed tightly to the lower seat via the external thread of the connecting section, the cover covers the upper end face of the lower seat.

2. The phase-supporting ring plate assembly based on a threaded clamping structure according to claim 1, characterized in that: The gap between the lower end face of the cover and the upper end face of the lower seat is 0.05 to 0.1 mm.

3. The phase-supporting ring plate assembly based on a threaded clamping structure according to claim 1, characterized in that: The external thread of the connecting section and the internal thread of the mounting hole are both made of 0.5mm fine thread.

4. A phase-supporting ring plate assembly based on a threaded clamping structure according to claim 1, characterized in that: The outer diameter of the clamping section is smaller than the outer diameter of the connecting section.

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