Viewfinder optical base and viewfinder

Abstract

The present invention discloses a viewfinder optical base and a viewfinder, wherein the viewfinder optical base comprises a first base plate, a second base plate, a third base plate and a fourth base plate which are vertically connected end to end; a clearance groove is arranged on the first base plate; the surface of the clearance groove close to the outer side of the first base plate is arranged as a first reference plane; the upper surface of the fourth base plate is arranged as a second reference plane; a first through hole is arranged on the first base plate corresponding to the first reference plane; and a second through hole is arranged on the fourth base plate corresponding to the second reference plane. In the viewfinder of the present invention, the screw hole is designed on the front support plate, and the through hole is designed on the optical base, which can greatly reduce the connection size between the optical base and the motor bracket, and the installation is also simpler.

Description

Technical Field

[0001] The invention relates to a viewfinder. Background Art

[0002] Minimally invasive surgical robots can reduce the physical labor of doctors during the operation and achieve the purpose of precise surgery. The surgeon relies on the doctor's console to operate the entire process of the operation. While the doctor operates the instrument with the main hand of the console, he observes the operation through the viewfinder (optical 3D system). Because each doctor has different habits, different surgeons need different observation angles for surgery. Therefore, it is necessary to adjust the pitch angle of the viewfinder. However, in order to achieve a better 3D optical effect, the more common way of the viewfinder is to arrange the optical system symmetrically on the left and right sides, leaving only a narrow space in the middle for mechanical connection and pitch.

[0003] In the prior art, when the optical base of the viewfinder is connected to the motor bracket, the two are connected by bolts by providing threaded holes on the optical base. Since the material of the optical base is aluminum alloy, it is necessary to process very deep threads on the optical base to ensure the connection strength, which results in the optical base requiring a larger size. On the other hand, such a structure also results in the bolts needing to be installed from top to bottom, while the motor bracket is located at the bottom of the U-shaped groove in the middle of the optical base, which results in troublesome installation and inconvenient operation.

[0004] Therefore, those skilled in the art are committed to developing a connection structure that makes the connection between the optical base and the motor bracket smaller in size and simpler to install. Summary of the invention

[0005] In view of the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is to provide a connection structure between the optical base and the motor bracket with a smaller connection size and simpler installation.

[0006] To achieve the above object, the present invention provides a viewfinder optical base, comprising a first base plate, a second base plate, a third base plate and a fourth base plate vertically connected end to end; a clearance groove is provided on the first base plate;

[0007] The surface of the clearance groove close to the inner side of the first base plate is set as a first reference surface; the upper surface of the fourth base plate is set as a second reference surface;

[0008] The first base plate is provided with a first through hole at a position corresponding to the first reference plane; and the fourth base plate is provided with a second through hole at a position corresponding to the second reference plane.

[0009] The present invention also provides a viewfinder, comprising a motor bracket and the above-mentioned viewfinder optical base; the motor bracket comprises a front support plate and a base plate vertically connected to each other; the front support plate is provided with a first screw hole corresponding to the first through hole; a first bolt passes through the first through hole and is connected to the first screw hole;

[0010] The base plate is provided with a second screw hole corresponding to the second through hole; the second bolt passes through the second through hole and is connected with the second screw hole.

[0011] The beneficial effects of the present invention are as follows: the screw holes in the viewfinder of the present invention are designed on the front support plate, and the through holes are designed on the optical base, which can greatly reduce the connection size between the optical base and the motor bracket, and the installation is also simpler. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of a viewfinder in a specific implementation manner of the present invention.

[0013] Figure 2 yes Figure 1 A magnified schematic diagram of the local P in the figure.

[0014] Figure 3 It is a cross-sectional view of a viewfinder at the center of the second through hole in a specific embodiment of the present invention.

[0015] Figure 4 yes Figure 3 A magnified schematic diagram of the local Q in the graph. DETAILED DESCRIPTION

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

[0017] like Figure 1-Figure 4 As shown, a viewfinder optical base comprises a first base plate 1, a second base plate 2, a third base plate 3 and a fourth base plate 4 which are vertically connected end to end, and a clearance groove 5 is arranged on the first base plate 1.

[0018] The surface of the clearance groove 5 close to the inner side of the first base plate 1 is set as a first reference surface 6, and the upper surface of the fourth base plate 4 is set as a second reference surface 7.

[0019] like Figure 4 As shown, the first base plate 1 is provided with a first through hole 1 a corresponding to the first reference surface 6 , and the fourth base plate 4 is provided with a second through hole 4 a corresponding to the second reference surface 7 .

[0020] The above-mentioned viewfinder optical base can be applied to a viewfinder, including a motor bracket and the above-mentioned viewfinder optical base, the motor bracket includes a front support plate 8 and a base plate 9 vertically connected to each other, the front support plate 8 is provided with a first screw hole 10 corresponding to the first through hole 1a, and the first bolt 11 passes through the first through hole 1a and is connected to the first screw hole 10.

[0021] like Figure 4 As shown, a second screw hole 12 corresponding to the second through hole 4 a is provided on the base plate 9 , and a second bolt 13 passes through the second through hole 4 a and is connected to the second screw hole 12 .

[0022] When installing the above viewfinder, the front support plate 8 is inserted into the clearance groove 5, so that the first through hole 1a corresponds to the first screw hole 10, and the second through hole 4a corresponds to the second screw hole 12, and then the first bolt 11 is connected to the first screw hole 10 through the first through hole 1a, and the second bolt 13 is connected to the second screw hole 12 through the second through hole 4a, so as to realize the connection between the motor bracket and the optical base of the viewfinder. When installing, the open space at the bottom of the U-shaped groove in the middle of the optical base is fully utilized, and the installation is carried out from bottom to top, and the whole installation process is simple and fast.

[0023] The preferred specific embodiments of the present invention are described in detail above. It should be understood that a person skilled in the art can make many modifications and changes based on the concept of the present invention without creative work. Therefore, any technical solution that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the prior art should be within the scope of protection determined by the claims.

Claims

1. A viewfinder, characterized in that: Includes motor mount and viewfinder optical base; The viewfinder optical base comprises a first base plate (1), a second base plate (2), a third base plate (3) and a fourth base plate (4) which are vertically connected end to end; a clearance groove (5) is provided on the first base plate (1); The surface of the clearance groove (5) close to the inner side of the first base plate (1) is set as a first reference surface (6); the upper surface of the fourth base plate (4) is set as a second reference surface (7); The first base plate (1) is provided with a first through hole (1a) at a position corresponding to the first reference surface (6); the fourth base plate (4) is provided with a second through hole (4a) at a position corresponding to the second reference surface (7); The motor bracket comprises a front support plate (8) and a base plate (9) which are vertically connected to each other; the front support plate (8) is inserted into the clearance groove (5), and a first screw hole (10) corresponding to the first through hole (1a) is provided on the front support plate (8); a first bolt (11) passes through the first through hole (1a) and is connected to the first screw hole (10); The base plate (9) is provided with a second screw hole (12) corresponding to the second through hole (4a); a second bolt (13) passes through the second through hole (4a) and is connected to the second screw hole (12).

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