CN210119622U

CN210119622U - Prism device

Info

Publication number: CN210119622U
Application number: CN201920828946.5U
Authority: CN
Inventors: 徐阳
Original assignee: Qianhai Shenzhen Sports Intelligent Technology Co Ltd
Current assignee: Qianhai Shenzhen Sports Intelligent Technology Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-02-28
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a prism device, including prism subassembly with connect in prism subassembly's support, the support has relative first end and the second end that sets up, the second end of support with prism subassembly connects, the first end of support be used for doing the support provides the strong point, the second end of support can be relative the first end motion of support is in order to adjust prism subassembly is relative the spatial position of strong point. By adopting the mode that the prism device is supported by the bracket, when the user looks through the prism assembly, the user does not need to wear the prism assembly on the nose bridge, so that the bearing of the nose bridge bone of the user and the uncomfortable feeling of wearing foreign matters are reduced; and when the visual field changes along with the movement of the head, the dizzy feeling of people can not be caused.

Description

Prism device

Technical Field

The utility model relates to an articles for daily use technical field, concretely relates to prism device.

Background

The wearable glasses in the market currently change the light path of the visual field of a user through the form of a TIR prism (total internal reflection prism) and a mirror coating. The wearer will see the content perpendicular to the angle of vision when wearing glasses. Thus, the wearer can watch television, books or mobile phones by looking up at the position.

However, the current TIR prisms are all wearable devices, and the vision changes along with the head movement during the use process, so that the users feel dizzy.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the user among the prior art and wearing the prism after, the visual field causes the problem of dizzy sense to the person of wearing easily when the head motion changes to a prism device is provided.

In order to solve the technical problem, the technical scheme of the utility model as follows:

the utility model provides a prism device, include the prism subassembly with connect in the support of prism subassembly, the support has relative first end and the second end that sets up, the second end of support with the prism subassembly is connected, the first end of support be used for the support provides the strong point, the second end of support can be relative the first end motion of support is in order to adjust the prism subassembly is relative the spatial position of strong point.

Further, the bracket includes:

a rod body, the height of which is adjustable;

the angle adjusting structure is connected between the rod body and the prism assembly, and at least one end of the angle adjusting structure is rotationally connected with the rod body and/or the prism assembly so as to adjust the prism assembly and the relative angle between the rod bodies.

Further, the angle adjusting structure includes:

one end of the ball head connecting rod is movably connected to the rod body, and the other end of the ball head connecting rod is provided with a connecting rod ball head embedded into the prism assembly; the prism assembly is rotationally connected with the connecting rod ball head in a self-damping mode around the spherical surface of the connecting rod ball head.

Furthermore, the rod body comprises at least two connecting rods which are connected in sequence, every two adjacent connecting rods are connected through a mechanical shaft with self-damping, and one of the connecting rods can rotate around the mechanical shaft connected between the two connecting rods to roughly adjust the spatial position of the prism assembly relative to the supporting point.

Furthermore, the rod body also comprises a parallel four-bar linkage supporting component connected with the connecting rod, and the parallel four-bar linkage supporting component is directly connected with the prism component or indirectly connected with the prism component through the angle adjusting structure; the spatial position of the prism assembly relative to the supporting point can be finely adjusted by adjusting the parallel four-bar linkage supporting assembly.

Further, the angle adjusting structure includes:

the rotating rod is rotatably connected to the upper end of the rod body;

the first locking piece is used for locking the rotating rod to the rod body;

the prism assembly is slidably mounted on the rotating rod along the axis direction of the rotating rod.

Further, the prism assembly comprises:

the lens body is provided with a first magnet;

and the connecting piece is connected with the rotating rod and is provided with a second magnet which is matched with the first magnet in a magnetic attraction manner.

Further, the body of rod includes that at least two sections cup joint hollow branch in proper order and be used for locking adjacent two hollow branch's second retaining member.

Further, the bracket is made of a flexible plastic bent pipe, and the prism assembly can rotate relative to the plastic bent pipe to adjust the pitch angle of the prism assembly relative to the bracket.

Further, the prism assembly comprises:

a mirror body;

the clamp is rotatably connected to the second end of the support and comprises two oppositely arranged clamping arms in elastic connection and two driving clamping arms connected between the two clamping arms, and the two clamping arms are matched and clamped with the elastic piece of the mirror body.

Furthermore, the bracket is made of a metal hose which can be bent, and when the first end is fixed, the second end can rotate around the axis direction of the bracket, and the prism assembly is fixedly connected with the metal hose.

The utility model discloses technical scheme has following advantage:

1. the prism device provided by the utility model adopts the mode that the prism device is supported by the bracket, when the prism device is watched through the prism component, the prism component is not needed to be worn on the nose bridge, thereby reducing the bearing of the nose bridge bone of a wearer and the uncomfortable feeling of wearing foreign matters; moreover, under the condition that the visual field changes along with the movement of the head, the dizzy feeling of people can not be caused; in addition, the user can draw away from the desktop view at any time, and the quick sensing and response capability to the surrounding environment is kept.

2. The utility model provides a prism device, at the in-process that uses prism subassembly, fix the first end of support at the mesa earlier or directly support and provide the strong point for the support subaerial, readjust the spatial position of the relative first end of support second end, can adjust prism subassembly relative user's distance and height, make prism subassembly can aim at the direction in human eye field of vision better, the practicality is stronger. Moreover, a user can watch the content vertical to the visual angle through the prism assembly without bending the back and the neck vertebra, the pressure of the back and the neck vertebra is reduced, and the sitting posture or the lying posture of the user when watching the content vertical to the visual angle can be corrected.

3. The utility model provides a prism device adopts angle adjustment mechanism can adjust the prism subassembly for the upper and lower every single move angle of the body of rod and control skew angle, conveniently makes the direction in the human eye field of vision of prism subassembly alignment, has further improved prism device's practicality.

4. The utility model provides a prism device, angle adjustment mechanism adopt the mode that the bulb connecting rod that takes the self-damping to rotate to connect and prism subassembly constitute, can adjust prism subassembly for user's angle wantonly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a usage state of a prism device provided by the present invention;

fig. 2 is a schematic structural view of an installation structure of a prism device on a table according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of an installation structure of a prism device on a table according to a second embodiment of the present invention;

fig. 4 is a schematic structural diagram of an installation structure of a prism device on a table according to a third embodiment of the present invention.

Description of reference numerals: 1. a prism assembly; 11. a mirror body; 12. a first magnet; 13. a connecting member; 14. a second magnet; 15. a clamp; 151. a clamp arm; 152. an elastic member; 2. a support; 21. a rod body; 211. a connecting rod; 212. a hollow strut; 213. a second locking member; 22. an angle adjustment structure; 221. a ball head connecting rod; 222. a connecting rod ball head; 223. rotating the rod; 224. a first locking member; 23. a parallel four-bar linkage support assembly; 24. rotating the connecting seat; 25. a top seat; 26. a plastic bent pipe; 3. a table; 4. a supporting seat; 5. an object to be viewed.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, a prism device includes a prism assembly 1 and a bracket 2 connected to each other, wherein one end of the bracket 2 penetrates through a table 3 and is fixed on the table 3 through a support base 4. In other embodiments, the support frame 2 can also be supported directly on the ground by the support base 4, or be fixed on the edge of the table in a clamping manner. By fixing the prism assembly 1 to the bracket 2, a user can view an object to be viewed 5 on the table 3 perpendicular to a visual angle through the prism assembly 1. Compared with the wearable prism in the prior art, the prism assembly 1 does not need to be worn on the nose bridge, so that the load bearing of the nose bridge bone of a user and the uncomfortable feeling of wearing foreign matters are reduced; moreover, under the condition that the visual field changes along with the movement of the head, the dizzy feeling of people can not be caused; in addition, the user can draw away from the desktop view at any time, and the quick sensing and response capability to the surrounding environment is kept.

Specifically, as shown in fig. 2, in the first embodiment of this embodiment, the support 2 has a first end and a second end that are disposed opposite to each other, the first end of the support 2 is fixed on the table 3 through the support base 4, the support base 4 provides a position of a supporting point for the support 2 on the table 3, the second end of the support 2 is connected to the prism assembly 1, and the second end of the support 2 is movable relative to the first end of the support 2 to adjust a spatial position of the prism assembly 1 relative to the position of the supporting point.

In the process of using the prism component 1, the first end of the support 2 is fixed on the table 3, and then the space position of the second end of the support 2 relative to the first end of the support 2 is adjusted, so that the distance and the height of the prism component 1 relative to a user can be adjusted, the prism component 1 can be better aligned to the direction of the visual field of the eyes of the human body, and the practicability is stronger. Moreover, a user can watch the content vertical to the visual angle through the prism component 1 without bending the back and the neck vertebra, the pressure of the back and the neck vertebra is reduced, and the sitting posture or the lying posture of the human body when watching the content vertical to the visual angle can be corrected.

In the first embodiment of the present embodiment, the stand 2 includes a height-adjustable rod body 21, a parallel four-bar linkage support assembly 23, and an angle adjustment structure 22. One end of the rod body 21 is connected with the supporting seat 4, the parallel four-bar linkage supporting assembly 23 is connected with one end of the rod body 21 far away from the supporting seat 4, the angle adjusting structure 22 is connected between the parallel four-bar linkage supporting assembly 23 and the prism assembly 1, and at least one end of the angle adjusting structure is rotationally connected with the parallel four-bar linkage supporting assembly 23 and the prism assembly 1. In other embodiments of this embodiment, it is also not necessary to use the parallelogram linkage support assembly 23, and the prism assembly 1 and the rod 21 are directly connected through the angle adjustment structure 22. In the process of adjusting the distance and the height of the prism assembly 1 relative to a user, the mounting position of the rod body 21 on the table 3 and the height of the rod body 21 can be adjusted to perform coarse adjustment; the spatial position of the prism assembly 1 relative to the supporting seat 4 is finely adjusted through the parallel four-bar linkage supporting assembly 23, so that the prism assembly 1 can be better aligned with the direction of the visual field of the eyes of a human body; finally, the up-down pitch angle and the left-right deflection angle of the prism assembly 1 are adjusted through the angle adjusting structure 22. The adjustable structure of the bracket 1 greatly improves the flexibility and the practicability of the prism component 1; and because the parallel four-bar linkage supporting component 23 can be adjusted by a small angle, the prism component 1 can be conveniently and accurately adjusted to a proper observation position.

In the first embodiment of this embodiment, the rod body 21 includes two connecting rods 211 rotatably connected, two adjacent connecting rods 211 are connected by a mechanical shaft with self-damping, one connecting rod 211 at the lower end is rotatably connected to the supporting base 4, and the upper connecting rod 211 can rotate and hover freely in three-dimensional space around the mechanical shaft between the two connecting rods 211. The coarse adjustment of the spatial position of the prism component 1 relative to the supporting seat 4 can be realized by rotating the connecting rod 211 positioned above, and the prism component has the advantages of simple structure and convenient operation. In other embodiments, the number of the connecting rods 211 connected by the mechanical shaft with self-damping may be three or more, and the rotation between two connecting rods 211 along the vertical axis or the horizontal axis may be self-damping. The connecting rod 21 can also adopt other telescopic adjustment modes such as a telescopic sleeve rod and the like.

In the first embodiment of this embodiment, one end of the parallel four-bar linkage supporting component 23 is movably connected to the end of the connecting rod 211 far from the end of the supporting seat 4 through the rotating connecting seat 24, the other end of the parallel four-bar linkage supporting component 23 is connected to the top seat 25, and the angle adjusting structure 22 is connected to the top seat 25. The parallelogram linkage support assembly 23 is also rotatable about a vertical axis, thereby further improving the adjustability of the support 2.

Specifically, parallel four-bar linkage supporting component 23 includes two connecting rods that length is the same and be parallel to each other and connects at a connecting rod that is located the top and rotate telescopic machanism between connecting seat 24, and the both ends of two connecting rods rotate respectively to be connected on rotating connecting seat 24 and footstock 25, and telescopic machanism provides the support for parallel four-bar linkage supporting component 23. Viewed from the side of the parallelogram support assembly 23, four hinge points of the two links on the rotary connecting seat 24 and the top seat 25 are connected on the same plane to form a parallelogram structure. The line between the two hinge points on the rotating connecting seat 24 can be regarded as the first side of the parallelogram structure, the line between the two hinge points on the top seat 25 can be regarded as the second side of the parallelogram structure, the first side and the second side are oppositely arranged, and the two connecting rods are respectively regarded as the other two opposite third sides and fourth sides of the parallelogram structure.

The connecting rod is rotated around a hinge point of the connecting rod and the rotating connecting seat 24, the top seat 25 can be driven to move relative to the rotating connecting seat 24 through a parallelogram structure, so that the position of the top seat 25 relative to the rotating connecting seat 24 is adjusted, and compared with a mode that the position of the top seat 25 is adjusted by rotating around a self-damping connecting shaft relative to the two connecting rods 211, the adjusting mode can be adjusted in a finer direction; meanwhile, the telescopic mechanism can provide support for the parallelogram structure, so that the top seat 25 can hover at any position. The support 2 can carry out the regulation of some less angles through the mode that two connecting rods 211 and the parallel four-bar linkage supporting component 23 cooperation of taking the self-damping mechanical axis carry out prism subassembly 1 position control, and the accuracy of prism subassembly 1's position control structure is higher to can make prism subassembly 1 can aim at the direction in human eye field of vision more accurately, make the user watch more clearly. Specifically, the telescopic mechanism adopts a spring assembly, one end of the spring assembly is installed on the rotary connecting seat 24, and the other end of the spring assembly is installed on one of the connecting rods. When the parallel four-bar linkage supporting assembly 23 rotates, the rotation angles of the spring assemblies are different at different angles, and the elastic force value is changed accordingly; the parallel four-bar linkage support assembly 23 can be in a stress balance state at any angle, and the top seat 25 can hover at any position relative to the rotary connecting seat 24. Still further, the spring assemblies may be gas spring assemblies or compression spring assemblies, among others. In other embodiments, the telescoping mechanism may also be replaced with a linear push rod.

In the first embodiment of the present embodiment, the angle adjustment structure 22 comprises a ball-end connecting rod 221, one end of the ball-end connecting rod 221 is movably connected to the top base 25, and the other end has a connecting rod ball 222 embedded in the prism assembly 1; the prism assembly 1 is connected to the link ball 222 in a self-damped rotational motion about the spherical surface of the link ball 222. The angle of the prism assembly 1 relative to the ball-end connecting rod 221 can be adjusted at will by the mode of forming the ball-end connecting rod 221 and the prism assembly 1 with the self-damping rotary connection, and the adjustability is high. In other embodiments, the end of the ball link 221 connected to the top seat 25 may be a rotation connection with self-damping.

As shown in fig. 3, in the second embodiment of the present embodiment, the difference from the first embodiment is that the rod body 21 is directly supported on the ground through the supporting seat 4, the rod body 21 includes two hollow struts 212 which are sleeved in sequence and a second locking member 213 for locking two adjacent hollow struts 212, and the second locking member 213 can be a locking ring, a ring-shaped clamp or a locking screw. In other embodiments, the number of hollow struts 212 may be three or more; a hollow strut 212 connected to the support 4 may be fixed to the support 4 or may be rotatably connected to the support 4.

The angle adjusting structure 22 comprises a rotating rod 223 rotatably connected to the upper end of the hollow strut 212, and a first locking member 224 for locking the rotating rod 223 to the rod body 21; the prism assembly 1 is slidably mounted to the rotation lever 223 in the axial direction of the rotation lever 223. The first locking member 224 may be a locking screw that is threadably engaged with the hollow post 212. When the first locking member 224 is released, the rotating rod 223 is rotated to drive the prism assembly 1 to rotate, and then the rotating rod 223 is locked on the hollow supporting rod 212 by the first locking member 224, so that the up-down pitch angle and the left-right tilt angle of the rotating rod 223 and the prism assembly 1 relative to the table 3 can be adjusted.

Specifically, the prism assembly 1 includes a mirror body 11 and a connecting member 13 slidably disposed on the rotating rod 223. The upper end of the mirror body 11 is fixed with a first magnet 12, the lower end of the connecting piece 13 is fixed with a second magnet 14, and the mirror body 11 is fixed on the connecting piece 13 through the magnetic attraction matching of the second magnet 14 and the first magnet 12. The connecting member 13 is further movably connected with a third locking member for locking the connecting member 13 on the rotating rod 223, and the third locking member may be a locking screw. In other embodiments, the prism assembly 1 may be connected to the bracket 2 by mechanical snap fastening, adhesive fastening, or the like. One end of the bracket 2 connected with the prism assembly 1 can be wholly or partially embedded in the prism assembly 1 or used for clamping the prism assembly 1, and the prism assembly 1 can also be partially or wholly embedded in one end of the bracket 2.

In the third embodiment of the present embodiment, as shown in fig. 4, the difference from the first embodiment is that the bracket 2 is made of a plastic elbow 26 capable of bending and deforming, and the plastic elbow 26 may be a gooseneck elbow or a serpentine elbow. In this embodiment, one end of the plastic bent tube 26 can be connected to the desk 3 through the supporting seat 4, and the prism assembly 1 can be rotatably connected to the other end of the plastic bent tube 26; the end of the plastic bent tube 26 connected with the prism assembly 1 can rotate around the other end, so as to adjust the spatial position of the prism assembly 1 relative to the supporting seat 4.

In the present embodiment, the prism assembly 1 includes a mirror body 11 and a jig 15; the clamp 15 is rotatably connected to the second end of the flexible elbow 26, and includes two opposite clamping arms 151 elastically connected to each other, and an elastic member 152 connected between the two clamping arms 151 for driving the two clamping arms 151 to cooperatively clamp the mirror body 11. The elastic member 152 may be formed using one or more springs.

In other embodiments, the plastic bent tube 26 can be directly placed on the desk 3 through a weight block fixedly connected to the plastic bent tube 26, or combined with the telescopic rod 21 to serve as the support 2 of the prism assembly 1. The prism component 1 can also be fixed on the bracket 2, and the bracket 2 adopts a metal hose which can be bent and can rotate around the axis direction of the bracket; the bracket made of the metal hose can adjust the spatial position of the prism component 1 relative to the supporting point and the vertical pitching and horizontal deflection angles relative to the table 3 only by rotating the metal hose, has simple structure and is convenient to adjust.

In summary, in the prism device provided in this embodiment, the support 2 is used to support the prism device 1, so that when the user looks through the prism assembly 2, the user does not need to wear the prism assembly 1 on the nose bridge, and the load bearing of the nose bridge of the user and the uncomfortable feeling of wearing foreign objects are reduced; moreover, under the condition that the visual field changes along with the movement of the head, the dizzy feeling of people can not be caused; in addition, the user can draw away from the desktop view at any time, and the quick sensing and response capability to the surrounding environment is kept. On the other hand, the support 2 has good adjustability, and can randomly adjust the spatial position, the vertical pitching angle and the left-right deflection angle of the prism assembly 1 relative to a user, so that the prism assembly 1 can better align the direction of the visual field of the eyes of the human body, and the practicability is stronger; moreover, a user can watch the content vertical to the visual angle through the prism component 1 without bending the back and the neck vertebra, the pressure of the back and the neck vertebra is reduced, and the sitting posture or the lying posture of the human body when watching the content vertical to the visual angle can be corrected.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The prism device is characterized by comprising a prism assembly (1) and a bracket (2) connected with the prism assembly (1), wherein the bracket (2) is provided with a first end and a second end which are oppositely arranged, the second end of the bracket (2) is connected with the prism assembly (1), the first end of the bracket (2) is used for providing a supporting point for the bracket (2), and the second end of the bracket (2) can move relative to the first end of the bracket (2) so as to adjust the spatial position of the supporting point relative to the prism assembly (1).

2. Prism arrangement according to claim 1, characterized in that the holder (2) comprises:

a rod body (21) whose height is adjustable;

the angle adjusting structure (22) is connected between the rod body (21) and the prism assembly (1), and at least one end is rotationally connected with the rod body (21) and/or the prism assembly (1) to adjust the relative angle between the prism assembly (1) and the rod body (21).

3. Prism arrangement according to claim 2, characterized in that the angle adjusting structure (22) comprises:

a ball head connecting rod (221), one end of which is movably connected with the rod body (21), and the other end of which is provided with a connecting rod ball head (222) embedded in the prism component (1); the prism assembly (1) is rotationally connected to the connecting rod ball head (222) in a self-damping manner around the spherical surface of the connecting rod ball head (222).

4. A prism assembly according to any one of claims 2-3, wherein the rod (21) comprises at least two connecting rods (211) connected in series, and wherein two adjacent connecting rods (211) are connected by a mechanical shaft with self damping, and wherein coarse adjustment of the spatial position of the prism assembly (1) relative to the support point is achieved by rotating one of the connecting rods (211) about the mechanical shaft between the two connected connecting rods (211).

5. Prism arrangement according to claim 4, wherein the rod body (21) further comprises a parallelogram linkage support assembly (23) connected to the connecting rod (211), the parallelogram linkage support assembly (23) being connected to the prism assembly (1) either directly or indirectly via the angle adjustment structure (22); the spatial position of the prism assembly (1) relative to the support point can be finely adjusted by adjusting the parallelogram linkage support assembly (23).

6. Prism arrangement according to claim 2, characterized in that the angle adjusting structure (22) comprises:

a rotating rod (223) rotatably connected to the upper end of the rod body (21);

a first locking member (224) for locking the rotating lever (223) to the lever body (21);

the prism component (1) is slidably mounted on the rotating rod (223) along the axis direction of the rotating rod (223).

7. Prism arrangement according to claim 6, characterized in that the prism assembly (1) comprises:

a mirror body (11) on which a first magnet (12) is arranged;

the connecting piece (13) is connected to the rotating rod (223) and is provided with a second magnet (14) which is in magnetic attraction fit with the first magnet (12).

8. The prism device as claimed in claim 2, wherein the rod body (21) comprises at least two hollow support rods (212) which are sleeved in sequence and a second locking member (213) for locking two adjacent hollow support rods (212).

9. Prism arrangement according to claim 1, wherein the frame (2) is made of a plastically bendable tube (26) that is bendable and deformable, and the prism assembly (1) is rotatable relative to the plastically bendable tube (26) for adjusting the pitch angle of the prism assembly (1) relative to the frame (2).

10. Prism arrangement according to claim 9, characterized in that the prism assembly (1) comprises:

a mirror body (11);

the clamp (15) is rotatably connected to the second end of the support (2) and comprises two clamping arms (151) which are oppositely arranged and elastically connected and an elastic piece (152) which is connected between the two clamping arms (151) and drives the two clamping arms (151) to clamp the mirror body (11) in a matching manner.

11. Prism arrangement according to claim 1, wherein the bracket (2) is made of a metal hose which is bendable itself and rotatable around its axis at the second end when the first end is fixed, the prism assembly (1) being fixedly connected to the metal hose.