Optometry trial frame

Abstract

The utility model discloses an optometry trial frame which comprises a sight glass body, a rotating leg and a glasses leg, the rotating leg and the glasses leg are arranged on two sides of the sight glass body, a mounting groove convenient for mounting the glasses leg is arranged on the rear portion of the rotating leg, a rotating seat matched with the mounting groove is arranged on the front portion of the glasses leg, and the rotating seat is rotatably connected with the mounting groove through a rotating shaft. An elastic rotary positioning assembly facilitating rotation and positioning is arranged between the rotary seat and the mounting groove, the elastic rotary positioning assembly comprises a plurality of angle positioning grooves formed in the side wall of the mounting groove, an elastic piece right opposite to the angle positioning grooves is arranged on one side of the rotary seat, and positioning protrusions clamped in the angle positioning grooves are arranged on the elastic piece. The angle positioning groove and the positioning protrusion are arranged, a local matching mode is adopted, the contact area in the rotating process is reduced, the safety of the device is improved, the elastic piece is arranged, an avoiding space is provided for the positioning protrusion in the rotating process, the strength of hard abrasion is relieved, and the service life of the angle positioning groove and the service life of the positioning protrusion are prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a test mirror frame, in particular to a test mirror frame for optometry. BACKGROUND

[0002] The prior art discloses a test mirror frame for optometry with the announcement number CN216454945U and the name, the rotation structure of the rotating leg of this test mirror frame is arranged between the rotating leg and the angle adjusting block, a plurality of sawteeth are arranged around the connecting shaft, and the meshing teeth matched with the sawteeth are arranged on the contact surface of the angle adjusting block. SUMMARY

[0003] The utility model provides a test mirror frame for optometry that is reasonable in design, simple in structure, good in adjustment flexibility and long in service life.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A test mirror frame for optometry includes a view mirror main body, rotating legs and mirror legs arranged on both sides of the view mirror main body, an installation groove for installing the mirror legs is arranged at the rear part of the rotating leg, a rotating seat matched with the installation groove is arranged at the front part of the mirror leg, the rotating seat is rotatably connected with the installation groove through a rotating shaft, and the characteristics are that an elastic rotating positioning assembly for facilitating rotation and positioning is arranged between the rotating seat and the installation groove, the elastic rotating positioning assembly includes a plurality of angle positioning grooves arranged on the side wall of the installation groove, an elastic member opposite to the angle positioning groove is arranged on one side of the rotating seat, and a positioning protrusion clamped in the angle positioning groove is arranged on the elastic member.

[0006] The utility model also solves the technical problems through the following technical scheme, a cavity for the elastic avoidance of the positioning protrusion is arranged on the side of the rotating seat close to the angle positioning groove, the rotating seat between the cavity and the positioning protrusion constitutes the structure of the elastic member, so as to absorb the hard wear generated when the positioning protrusion and the angle positioning groove cooperate, that is, the elastic avoidance space is provided for the positioning protrusion and the elastic member through the cavity in the rotating process, and the movement of the positioning protrusion on the angle positioning groove is realized.

[0007] The utility model also solves the technical problems through the following technical scheme, the cavity is an arc-shaped cavity arranged along the circumference of the rotating shaft, and the arc-shaped cavity is arranged on the side of the rotating seat close to the angle positioning groove.

[0008] The technical problem solved by the utility model also can be realized through the following technical scheme, the angle positioning groove is in the form of teeth, and the positioning convex is a tooth head engaged with the angle positioning groove.

[0009] The technical problem solved by the utility model also can be realized through the following technical scheme, the angle positioning groove is arranged along the circumference of the inner cavity of the mounting groove, and the arrangement mode can be set according to the adjustment requirement.

[0010] The technical problem solved by the utility model also can be realized through the following technical scheme, the screw is connected with the rotating shaft in the center of the rotating seat, and the elastic rubber ring and the cover sheet are sleeved on the screw.

[0011] Compared with the prior art, the utility model discloses angle positioning groove and positioning convex, adopt the mode of local cooperation, realize the angle adjustment between the glasses leg and the main body of the sight mirror, namely the adjustment of the forward inclination angle of the trial frame, and meanwhile, the structure setting also reduces the contact surface during the rotation, improves the safety of the device, provides the elastic avoiding space for the positioning convex during the rotation through the elastic element, reduces the intensity of the hard abrasion, prolongs the service life of the angle positioning groove and the positioning convex. DRAWINGS

[0012] Figure 1 It is the glasses leg structure diagram of the utility model discloses the trial frame of optometry;

[0013] Figure 2 It is the glasses leg assembly drawing of the utility model discloses the trial frame of optometry;

[0014] Figure 3 It is the structure diagram of the rotating leg;

[0015] Figure 4 It is the partial enlarged view of the glasses leg.

[0016] In the drawing, 1 is the rotating leg, 2 is the angle positioning groove, 3 is the mounting groove, 4 is the positioning convex, 5 is the rotating seat, 6 is the elastic rubber ring, 7 is the cover sheet, 8 is the screw, 9 is the glasses leg, 10 is the cavity. CONCRETE IMPLEMENTATION

[0017] The technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment.

[0018] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0019] Referring to Figures 1-4 A kind of optometry test frame, including sight mirror main body, the rotating leg 1 and mirror leg 9 being arranged at the both sides of sight mirror main body, rotating leg 1 rear portion is equipped with the installation slot 3 for facilitating installation mirror leg, mirror leg 9 front portion is equipped with the rotating seat 5 being cooperated with installation slot 3, rotating seat 5 is rotatably connected with installation slot 3 by rotating shaft, and it is equipped with the elastic rotating positioning assembly for facilitating rotation and positioning between rotating seat 5 and installation slot 3, the elastic rotating positioning assembly includes the angle positioning groove 2 being equipped on the side wall of installation slot 3, and it is equipped with the elastic member that is opposite angle positioning groove 2 on one side of rotating seat 5, and it is equipped with the positioning protrusion 4 that is clamped in angle positioning groove on elastic member.In the center of rotating seat 5, it is connected with rotating shaft by screw 8, and elastic rubber ring 6 and cover sheet 7 are sleeved on screw 8.

[0020] Rotating seat 5 is equipped with cavity 10 for positioning protrusion 4 elastic avoidance on the side close to angle positioning groove 2, and rotating seat between cavity 10 and positioning protrusion 4 constitutes elastic member, i.e., elastic member is integrally formed with rotating seat, to absorb the hard wear generated when positioning protrusion 4 and angle positioning groove 2 cooperate, i.e., in the rotating process, elastic avoidance space is provided for positioning protrusion and elastic member by cavity, to realize the movement of positioning protrusion on angle positioning groove.

[0021] The installation slot 3 is circular slot, and the rotating seat 5 is circular seat, the angle positioning groove is dentate, and the positioning protrusion is the tooth head engaged with the dentate angle positioning groove, the angle positioning groove is arranged along the circumference of the inner cavity of the installation slot, and the arrangement mode can be set according to the adjustment requirement.

[0022] The utility model discloses to reduce the wear of positioning protrusion 4 and angle positioning groove 2 when cooperating, and a cavity 10 for positioning protrusion 4 elastic avoidance is designed at the rear end of positioning protrusion 4, so that a reed structure, i.e., elastic member, is formed between the rear part of positioning protrusion 4 and cavity 10, to absorb the hard wear generated when positioning protrusion 4 and angle positioning groove 2 cooperate.

[0023] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. An optometry trial glasses frame, comprising a mirror body, rotating legs and temples provided on both sides of the mirror body, the rear portion of the rotating legs being provided with a mounting groove for facilitating the installation of the temples, the front portion of the temples being provided with a rotating seat that cooperates with the mounting groove, the rotating seat being rotatably connected to the mounting groove via a rotating shaft, characterized in that: An elastic rotation positioning component is provided between the rotating seat and the mounting groove for easy rotation and positioning. The elastic rotation positioning component includes a plurality of angle positioning grooves provided on the side wall of the mounting groove, an elastic member facing the angle positioning groove is provided on one side of the rotating seat, and a positioning protrusion is provided in the middle of the elastic member to be stuck in the angle positioning groove.

2. The optometry trial frame according to claim 1, characterized in that: A cavity is provided on one side of the rotating seat close to the angle positioning groove for the positioning protrusion to elastically avoid, and the rotating seat between the cavity and the positioning protrusion constitutes an elastic part to absorb the hard wear generated when the positioning protrusion and the angle positioning groove are matched.

3. The optometry trial frame according to claim 2, characterized in that: The cavity is an arc-shaped cavity arranged along the circumference of the rotating shaft, and the arc-shaped cavity is arranged on one side of the rotating seat close to the angle positioning groove.

4. The optometry trial frame according to claim 1, characterized in that: The angle positioning groove is tooth-shaped, and the positioning protrusion is a tooth head engaged with the tooth-shaped angle positioning groove.

5. The optometry trial frame according to claim 1, characterized in that: The angle positioning grooves are arranged along the circumference of the inner cavity of the installation groove.

6. The optometry trial frame according to claim 1, characterized in that: The center of the rotating seat is connected to the rotating shaft through a screw, and an elastic rubber ring and a cover plate are sleeved on the screw.

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