CN214669811U - Telescope right angle prism fixing device - Google Patents
Telescope right angle prism fixing device Download PDFInfo
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- CN214669811U CN214669811U CN202120807616.5U CN202120807616U CN214669811U CN 214669811 U CN214669811 U CN 214669811U CN 202120807616 U CN202120807616 U CN 202120807616U CN 214669811 U CN214669811 U CN 214669811U
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- prism
- mounting hole
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- angle prism
- clamping plate
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Abstract
The utility model discloses a telescope right-angle prism fixing device, which is additionally provided with a prism fixing clamping plate, wherein the prism fixing clamping plate is sleeved outside a right-angle prism body and is provided with a prism mounting hole, and the shape of the prism mounting hole is matched with the shape of the plane side of the right-angle prism body; the prism mounting hole is provided with a notch part, the aperture of the prism mounting hole is adjusted through notch deformation, and the notch part is provided with a lug which connects two ends of the notch along the radial direction of the prism mounting hole in a protruding manner; a plurality of bosses are uniformly arranged on the inner side of the prism mounting hole and contact with the side wall of the right-angle prism body, and the right-angle prism body is in interference fit with the prism fixing clamping plate when being mounted; a plurality of positioning holes are respectively formed in two sides of the prism fixing clamping plate and connected with the prism mounting seat through fasteners; set up breach portion, guarantee that right angle prism body and the fixed cardboard of prism inlay the card and go into the prism mounting hole under slight interference fit's the condition, through the cooperation of locating hole and fastener, with the stable installation of right angle prism body on the prism mount pad.
Description
Technical Field
The utility model relates to an optical instrument technical field, in particular to telescope right angle prism fixing device.
Background
The optical system of Paul type telescope is made up of eyepiece group, prism group and objective group, wherein the rotating prism of the prism group uses the combination of two right-angle prisms, the light enters from the objective group, and the two prisms through the rotating prism group are deflected and then emitted from the objective group, and form images in human eyes; the telescopes with inconsistent optical axes have the greatest feeling that muscles of eyes are pulled, the eyepieces on two sides are dizzy due to different imaging positions, and the viewing and sensing aspects include but are not limited to double images, pictures are not perfect circles (some telescopes are square visual fields) and pictures of left and right lens barrels are not an angle according to different optical axes (convergence, divergence and height), so the optical axis consistency is an important index of the Porro telescope, and the military telescope field has higher requirements on the optical axis consistency.
But at present when the right angle prism is fixed, generally adopt the prism mount pad, the prism clamp plate, prism preforming and fixing bolt cooperation, its prism clamp plate, prism preforming and fixing bolt install it in the prism mount pad from the axial direction of right angle prism, its axial fixity is stable, but because the right angle prism belongs to accurate optical instrument, fish tail and destruction can not take place for its surface, its embedding cooperation with the prism mount pad can not complete in close contact with, lead to when taking place vibrations, the displacement on the prism mount pad can take place for the right angle prism, its optical axis can change, the optical property to the telescope influences greatly.
SUMMERY OF THE UTILITY MODEL
For solving above technical problem, the utility model provides a telescope right angle prism fixing device increases the fixed cardboard of prism, has guaranteed the stable installation of right angle prism body on the prism mount pad, even the condition such as vibration can guarantee that the right angle prism body does not take place the displacement and guarantee the optical axis uniformity.
In order to achieve the technical purpose, the utility model adopts the following technical proposal;
a telescope right-angle prism fixing device comprises a right-angle prism body, a prism mounting seat, a prism pressing plate and a fixing bolt, wherein the plane side of the right-angle prism body is installed in the prism mounting seat; the right-angle side of the right-angle prism body covers the prism pressing plate, a prism pressing plate is arranged above the prism pressing plate, two ends of the prism pressing plate extend out of the right-angle prism body, two ends of the prism pressing plate are connected to the prism mounting seat through fixing bolts to fix the axial displacement of the right-angle prism body, and the device further comprises,
the prism fixing clamping plate is sleeved on the outer side of the right-angle prism body; the prism fixing clamping plate is provided with a prism mounting hole, and the shape of the prism mounting hole is matched with the shape of the plane side of the right-angle prism body; the prism mounting hole is provided with a notch part, and the aperture of the prism mounting hole is adjusted through notch deformation; the notch part is communicated along the axial direction of the prism mounting hole, and a lug for connecting two ends of the notch is arranged in a protruding manner along the radial direction of the prism mounting hole; a plurality of bosses are uniformly arranged on the inner side of the prism mounting hole and contact with the side wall of the right-angle prism body; and a plurality of positioning holes are respectively arranged on two sides of the prism fixing clamping plate and connected with the prism mounting seat through fasteners.
Further, the breach portion is equipped with 2, and it sets up respectively in the both sides of prism mounting hole.
Further, the lug is arc-shaped.
Further, the height of the boss is less than or equal to 0.4 mm; the number of the convex plates is 4, the convex plates are respectively arranged on the arc sections at the four corners of the mounting hole, and the contact surfaces of the convex plates and the right-angle prism body are arc-shaped with the same radian as the arc sections.
Further, the prism fixing clamping plate is made of elastic wear-resistant materials.
Has the advantages that:
firstly, through the implementation of the above scheme, the shape of the prism mounting hole in the prism fixing clamping plate is matched with the shape of the plane side of the right-angle prism body, and the boss is added at the inner side, so that the right-angle prism body and the prism fixing clamping plate are slightly interfered when being mounted, the gap part is arranged, the aperture of the prism mounting hole can be elastically deformed by utilizing the characteristic that the gap can be deformed, the right-angle prism body and the prism fixing clamping plate can be embedded and clamped in the prism mounting hole under the condition of slight interference fit, the right-angle prism body is stably mounted on the prism mounting seat through the matching of the positioning hole and the fastener, the gap part utilizes the lug to connect two ends, the rebound resilience after the deformation of the gap part is improved, and even if the right-angle prism body is subjected to displacement on the prism mounting seat due to impact or strong vibration, the elastic recovery of the deformed notch portion is ensured.
The second sets up 4 bosss on the arc section in mounting hole four corners, wraps up the arc section of the lateral wall of right angle prism body reduces the relative rotation of the fixed cardboard of prism and right angle prism body, has reduced the friction of the fixed cardboard of prism and right angle prism body, prevents that the right angle prism body from wearing and tearing.
Drawings
Fig. 1 is a schematic diagram of an exploded view of a perspective view of the present invention;
fig. 2 is a schematic view of a front view of the prism fixing clip of the present invention;
fig. 3 is a schematic view of an assembly view of a perspective view of the present invention;
description of the symbols:
1. the prism fixing clamp plate comprises a prism fixing clamp plate, 1-1 prism mounting holes, 1-2 bosses, 1-3 notch parts, 1-3-1 lugs, 1-4 positioning holes, 2 right-angle prism bodies, 3 prism mounting seats, 4 prism press plates, 5 prism press plates, 6 fixing bolts and 7 fasteners.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
As shown in fig. 1-3, a telescope right-angle prism fixing device comprises a right-angle prism body 2, a prism mounting seat 3, a prism pressing plate 4, a prism pressing plate 5 and a fixing bolt 6, wherein the plane side of the right-angle prism body 2 is installed in the prism mounting seat 3, and the prism mounting seat is provided with an installation groove; prism clamp plate 4 is covered to the right angle side of right angle prism body 2, and prism preforming 5 is installed to prism clamp plate 4 top, and right angle prism body 2 is stretched out at the both ends of prism preforming 5, and fixing bolt 6 is installed respectively at its both ends, connects on prism mount pad 3 through fixing bolt 6, fixes the axial displacement of right angle prism body 2.
The prism fixing clamping plate 1 is sleeved on the outer side of the right-angle prism body 2, and is preferably a thin plate made of elastic wear-resistant materials; the prism fixing clamping plate 1 is provided with a prism mounting hole 1-1, and the shape of the prism mounting hole 1-1 is matched with the shape of the plane side of the right-angle prism body 2; the prism mounting hole is provided with a notch part 1-3, and the aperture of the prism mounting hole 1-1 is adjusted through notch deformation; the inner side of the prism mounting hole 1-1 is uniformly provided with a plurality of bosses 1-2, the bosses 1-2 are in contact with the side wall of the right-angle prism body 2, the height of the bosses 1-2 is less than or equal to 0.4mm, the bosses 1-2 are arranged, so that the right-angle prism body 2 is slightly interfered with the prism fixing clamping plate 1 when being mounted, and the gap parts 1-3 are arranged, so that the aperture of the prism mounting hole 1-1 can be elastically deformed by utilizing the characteristic that the gap can be deformed, and the right-angle prism body 2 and the prism fixing clamping plate 1 can be embedded into the prism mounting hole 1-1 under the condition of slight interference fit; a plurality of positioning holes 1-4 are respectively arranged at two sides of the prism fixing clamping plate 1 and fixedly connected with the prism mounting seat 3 through fasteners 7, preferably, the fasteners 7 are screws; the right-angle prism body 2 is stably mounted on the prism mounting base 3.
The notch part 1-3 is communicated along the axial direction of the prism mounting hole 1-1, a lug 1-3-1 for connecting the two ends of the notch is arranged in a protruding mode along the radial direction of the prism mounting hole 1-1, the wall thickness of the prism fixing clamping plate 1 is reserved, the prism fixing plate 1 is of an integral structure, preferably, the lug 1-3-1 is in an arc shape, the circle center of the arc is located outside the prism mounting hole 1-1, and therefore the deformation amount of the notch part 1-3 is larger; the number of the gap parts 1-3 is 2, and the gap parts are respectively arranged at two sides of the prism mounting hole 1-1; the notch part 1-3 does not damage the integrity of the prism fixing clamping plate 1 by arranging the lug 1-3-1, the rebound resilience of the deformed notch part 1-3 is improved, and even if the right-angle prism body 2 is displaced on the prism mounting seat due to impact or strong vibration, the rebound resilience of the deformed notch part 1-3 can be reliably recovered.
In order to reduce the relative rotation of the prism fixing clamping plate 1 and the right-angle prism body 2, reduce the friction between the prism fixing clamping plate 1 and the right-angle prism body 2 and prevent the abrasion to the right- angle prism body 2, 4 bosses 1-2 are respectively arranged on the arc sections at the four corners of the mounting holes 1-1, and the contact surfaces of the bosses 1-2 are arc-shaped sections with the same radian as the arc sections and wrap the arc sections on the side walls of the right-angle prism body 2.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention, and any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention; accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. A telescope right-angle prism fixing device comprises a right-angle prism body, a prism mounting seat, a prism pressing plate and a fixing bolt, wherein the plane side of the right-angle prism body is installed in the prism mounting seat; the right-angle side of the right-angle prism body covers the prism pressing plate, a prism pressing plate is arranged above the prism pressing plate, two ends of the prism pressing plate extend out of the right-angle prism body, two ends of the prism pressing plate are connected to the prism mounting seat through fixing bolts to fix the axial displacement of the right-angle prism body, the prism pressing plate is characterized by also comprising a fixing bolt,
the prism fixing clamping plate is sleeved on the outer side of the right-angle prism body; the prism fixing clamping plate is provided with a prism mounting hole, and the shape of the prism mounting hole is matched with the shape of the plane side of the right-angle prism body; the prism mounting hole is provided with a notch part, and the aperture of the prism mounting hole is adjusted through notch deformation; the notch part is communicated along the axial direction of the prism mounting hole, and a lug for connecting two ends of the notch is arranged in a protruding manner along the radial direction of the prism mounting hole; a plurality of bosses are uniformly arranged on the inner side of the prism mounting hole and contact with the side wall of the right-angle prism body; and a plurality of positioning holes are respectively arranged on two sides of the prism fixing clamping plate and connected with the prism mounting seat through fasteners.
2. A telescope right-angle prism fixing apparatus according to claim 1, wherein the notch portion is provided in 2 number, which are respectively provided on both sides of the prism mounting hole.
3. The telescope right angle prism fixture as recited in claim 1, wherein the lug is radiused.
4. The telescope right angle prism fixing device according to claim 1, wherein the height of the boss is 0.4mm or less; the number of the convex plates is 4, the convex plates are respectively arranged on the arc sections at the four corners of the mounting hole, and the contact surfaces of the convex plates and the right-angle prism body are arc-shaped with the same radian as the arc sections.
5. The telescopic right angle prism fixing device of claim 1, wherein the prism fixing clamping plate is made of elastic wear-resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120807616.5U CN214669811U (en) | 2021-04-19 | 2021-04-19 | Telescope right angle prism fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120807616.5U CN214669811U (en) | 2021-04-19 | 2021-04-19 | Telescope right angle prism fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214669811U true CN214669811U (en) | 2021-11-09 |
Family
ID=78464746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120807616.5U Active CN214669811U (en) | 2021-04-19 | 2021-04-19 | Telescope right angle prism fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214669811U (en) |
-
2021
- 2021-04-19 CN CN202120807616.5U patent/CN214669811U/en active Active
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