CN110786820A - Multifunctional edge-changing instrument convenient for measurement - Google Patents

Abstract

The invention relates to the technical field of vision measuring equipment, and provides a multifunctional variable prism instrument convenient for measurement, which comprises a test frame, wherein the test frame comprises a columnar frame, a connecting part and an auxiliary rod, a first groove and a second groove are respectively formed in the front side surface of the frame from front to back, three gear grooves distributed in a step shape are formed in the front side wall of the first groove from back, gear sets which are mutually meshed are installed in the gear groove sets, a first prism, a second prism and a cylindrical lens are sequentially installed in the second groove from inside to outside in a matched manner, and gear grooves are formed in cylindrical shells of the first prism, the second prism and the cylindrical lens; the invention solves the problems that the trial frame in the prior art has single function, cannot synchronously detect myopia, astigmatism and strabismus, and needs to continuously replace lenses to influence the detection efficiency.

Description

Multifunctional edge-changing instrument convenient for measurement

Technical Field

The invention relates to the technical field of vision measuring equipment, in particular to a multifunctional edge changing instrument convenient for measurement.

Background

At present, low-vision patients are a large group in China, and how to enable the low-vision patients to obtain the best vision is a problem worthy of common attention of people. For patients with low vision, the examination of the axis of astigmatism is a more critical issue. At present, there are three methods for astigmatism axis position examination, the first is image examination, the second is a slit sheet, and the third is an astigmatism table. The astigmatism table is not useful for persons with low vision; the examination is restricted by a plurality of factors, and the modern optometry personnel for examination are few, and sometimes errors are large, so the examination is not common.

Because the price cost of synthesizing the optometry appearance is higher, and not portable use, at many little visual acuity detection and with join in marriage mirror shop, mostly adopt the trial-in-the-arm frame to carry out the optometry and detect, to eyes problems such as myopia, astigmatism, the lens that needs the plugboard not to be passed through carries out the optometry and detects, because the lens is changed and is gone out special trouble, waste time.

And prior art trial-frame can only be used for grafting myopia lens and astigmatic lens, realizes carrying out myopia and astigmatic detection to low vision patient, but some patients have the problem of strabismus simultaneously, and prior art trial-frame can't be measured strabismus degree to strabismus patient simultaneously.

Disclosure of Invention

Solves the technical problem

Aiming at the defects of the prior art, the invention provides a multifunctional prism-changing instrument convenient for measurement, and solves the problems that the function of a trial frame in the prior art is single, myopia, astigmatism and strabismus cannot be synchronously detected, lenses need to be continuously replaced, and the detection efficiency is influenced.

Technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

the utility model provides a convenient multi-functional edge appearance that becomes of measuring, includes the examination mirror holder, the examination mirror holder includes column picture frame, connecting portion and auxiliary rod, first recess and second recess have been seted up respectively to the preceding side of picture frame backward, the three gear groove that is the echelonment and distributes is seted up backward to the preceding lateral wall of first recess, install intermeshing's gear train in the gear groove group, first prism, second prism and column mirror are installed in proper order to the cooperation from inside to outside in the second recess, gear groove has all been seted up on the cylindricality casing of first prism, second prism and column mirror to the gear line meshing that corresponds with gear groove respectively, there is first recess internal fixation to have the sign dish, the internal diameter of sign dish is less than the external diameter of column mirror casing.

Furthermore, a group of positioning holes are symmetrically formed in the front side face of the first groove, a column body is arranged on the back of the identification disc in a specified mode, the column body is inserted into the positioning holes, the positioning holes are designed to be used for determining the installation position of the identification disc, and meanwhile the positioning holes can serve as reference standards for assembling the first prism, the second prism and the cylindrical lens according to requirements.

Furthermore, an axial vernier is printed on the front side shell of the cylindrical lens, and the axial vernier is designed to be matched with the identification disc, so that the prism degree suitable for a patient can be conveniently read, and the cylindrical lens is used for matching the lens for the patient at the back.

Furthermore, the groove body of the gear groove positioned at the lowest part penetrates through the arc-shaped side wall of the mirror frame, and the gear in the groove body extends out of the mirror frame; the design can facilitate manual gear adjustment, and the gear set is driven to realize staggered rotation of the first prism and the second prism.

Furthermore, the outer wall of the lower half part of the front side of the spectacle frame is symmetrically fixed with an inserted bar, and the opposite inner side surface of the inserted bar is provided with an arc-shaped clamping groove. The arrangement of the inserted bar with the arc-shaped clamping groove can be used for inserting a myopia lens or an astigmatism lens for myopia and astigmatism detection.

Furthermore, the outer wall of the rear side of the glasses frame is symmetrically fixed with nose pads along the connecting parts, and L-shaped latch teeth are arranged on the right side and the lower side quadrant of the rear side of the glasses frame. The L-shaped latch has the same function as the inserted link with the arc-shaped clamping groove.

Furthermore, supports are fixed to two ends of the auxiliary rod, and the supports are hinged to glasses legs.

Advantageous effects

The invention provides a multifunctional edge-changing instrument convenient for measurement, which has the following beneficial effects compared with the prior known technology:

1. through the use design of the gear set matched with the first prism and the second prism, the first prism and the second prism are driven to rotate in a staggered manner by rotating the lower side, different prism degrees can be obtained, and the reading of the breaking point suitable for the eyes of a patient can be conveniently found by matching with the use of the identification disc; compared with the prior art, the method has the advantages that lenses with different prism degrees do not need to be replaced for many times, the operation is very convenient, and the detection efficiency is greatly improved.

2. Through the internally designed first prism, second prism and the cylindrical lens that can realize at the picture frame, can detect and prevent patient's strabismus problem, simultaneously through inserted bar and the L type latch that the side increases around the picture frame, can conveniently carry out the centre gripping to myopia lens or astigmatic lens for myopia and astigmatism detect, reached a multi-purpose effect, satisfy the demand of in-service use widely.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a front perspective view of a trial frame body of the present invention;

FIG. 3 is a rear perspective view of the trial frame body of the present invention;

the reference numerals in the drawings denote: 1-trial frame; 2-the spectacle frame; 3-a connecting part; 4-an auxiliary rod; 5-a first groove; 6-a second groove; 7-gear groove; 8-a first prism; 9-a second prism; 10-a cylindrical lens; 11-gear set; 12-a logo disc; 13-inserting a rod; 14-L-shaped latch; 15-nose pad; 16-temple bar; 501-positioning holes; 1301-arc neck.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

the multifunctional edge-changing instrument convenient for measurement in the embodiment is as follows, with reference to fig. 1 to 3: the device comprises a trial frame 1, wherein the trial frame 1 comprises a columnar frame 2, a connecting part 3 and an auxiliary rod 4, a first groove 5 and a second groove 6 are respectively formed in the front side surface of the frame 2 from front to back, three gear grooves 7 distributed in a step shape are formed in the front side wall of the first groove 5 from back, gear sets 11 meshed with each other are arranged in the gear grooves 7, a first prism 8, a second prism 9 and a cylindrical lens 10 are sequentially installed in the second groove 6 from inside to outside in a matched mode, the gear grooves 7 are respectively formed in cylindrical shells of the first prism 8, the second prism 9 and the cylindrical lens 10 and are respectively meshed with gears corresponding to the gear grooves 7, an identification disc 12 is fixed in the first groove 5, and the inner diameter of the identification disc 12 is smaller than the outer diameter of the cylindrical lens 10 shell; two ends of the auxiliary rod 4 are fixed with supports, and the supports are hinged with glasses legs 16.

A group of positioning holes 501 are symmetrically formed in the front side surface of the first groove 5, a column is defined on the back of the identification disc 12 and is inserted into the positioning holes 501, the positioning holes 501 are designed to determine the mounting position of the identification disc 12, and meanwhile, the positioning holes 501 can be used as reference standards for assembling the first prism 8, the second prism 9 and the cylindrical lens 10 according to requirements.

The front housing of the cylindrical lens 10 is printed with an axial cursor, and the design of the axial cursor is matched with the identification disc 12, so that the prism degree suitable for the patient can be conveniently read and used for matching the lens for the patient at the back.

The trough body of the gear trough 7 positioned at the lowest part is communicated with the arc-shaped side wall of the picture frame 2, and the gear in the trough body extends out of the picture frame 2; the design can facilitate manual gear adjustment, and the gear set 11 is driven to realize staggered rotation of the first prism 8 and the second prism 9.

The outer wall of the lower half part of the front side of the spectacle frame 2 is symmetrically fixed with an inserted bar 13, and the opposite inner side surface of the inserted bar 13 is provided with an arc-shaped clamping groove 1301. The arrangement of the insertion rod 13 with the arc-shaped clamping groove 1301 can be used for inserting a myopia lens or an astigmatism lens for myopia and astigmatism detection.

The outer wall of the rear side of the spectacle frame 2 is symmetrically fixed with nose pads 15 along the connecting part 3, and the right side and the lower side quadrant of the rear side of the spectacle frame 2 are provided with L-shaped latch 14. The L-shaped latch 14 has the same function as the insertion rod 13 with the arc-shaped slot 1301.

The use and detection principle is as follows:

after the assembly and installation of the trial frame 1 are completed, when the eyes of a patient are detected, the extended driving gear is rotated to drive the first prism 8 and the second prism 9 to rotate in a staggered mode, different prism degrees can be obtained, the distance test line is seen through the lens, the cohesive limit value or the rupture point value of the prism can be found, when two test lines are seen, the numerical value indicated by the axial vernier is the cohesive limit value of the eyes, the prism degrees suitable for the patient can be found through reverse rotation, parameters of the matched spectacles can be quickly obtained, and the follow-up matched spectacles are convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1. The utility model provides a convenient multi-functional edge appearance that becomes of measuring, includes the examination mirror holder, the examination mirror holder includes column picture frame, connecting portion and auxiliary rod, its characterized in that, first recess and second recess have been seted up respectively to the preceding side of picture frame backward, the three gear groove that is the echelonment and distributes is seted up backward to the preceding lateral wall of first recess, install intermeshing's gear train in the gear groove group, first prism, second prism and column mirror are installed in proper order from inside to outside in the second recess, gear groove has all been seted up on the cylindricality casing of first prism, second prism and column mirror to the gear line meshing that corresponds with gear groove respectively, there is the first recess internal fixation to have the sign dish, the internal diameter of sign dish is less than the external diameter of column mirror casing.

2. The multifunctional edge varying instrument convenient for measurement as claimed in claim 1, wherein a set of positioning holes are symmetrically formed on the front side surface of the first groove, and a column is defined on the back of the marking disc and inserted into the positioning holes.

3. The multi-functional prism changing instrument convenient for measurement as claimed in claim 1, wherein the front side housing of the cylindrical lens is printed with an axial vernier.

4. The multifunctional variable prism instrument convenient for measurement according to claim 1, wherein the groove body of the gear groove located at the lowest part penetrates through the arc-shaped side wall of the mirror frame, and the gear inside the groove body extends out of the mirror frame.

5. The multifunctional prism changing instrument convenient for measurement as claimed in claim 1, wherein the outer wall of the lower half part of the front side of the mirror frame is symmetrically fixed with an insert rod, and the opposite inner side surface of the insert rod is provided with an arc-shaped clamping groove.

6. The multifunctional edge-changing instrument convenient for measurement as claimed in claim 1, wherein nose pads are symmetrically fixed on the outer wall of the rear side of the frame along the connecting portion, and L-shaped latches are defined at the right and lower quadrants of the rear side of the frame.

7. The multifunctional edge-changing instrument convenient for measurement as claimed in claim 1, wherein supports are fixed to both ends of the auxiliary rod, and a temple is hinged to the supports.

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