Portable test platform device of vision screening instrument

Abstract

A portable test platform device of a vision screening instrument is characterized in that a cheek bracket device and a lifting platform device are oppositely arranged on a table board, and a multi-section connecting rod is positioned between the cheek bracket device and the lifting platform device; one end of the multi-section connecting rod is connected with the cheek bracket device, the other end is connected with the lifting platform device, and the vision screening instrument is fixed on the lifting platform device. The testing platform device has the advantages that after the testing platform device is installed and adjusted, the front-back distance is 1 meter, and front-back adjustment is not carried out any more during testing; secondly, after the test platform device is installed and adjusted, the vision screening instrument is aligned with the middle of the two eyeballs, and during testing, left-right adjustment is not carried out any more; thirdly, during up-and-down adjustment and alignment, a chin rest handle or the lifting platform device is adjusted, a subsequent tested person can continuously test, up-and-down adjustment is not needed or only the lifting platform device needs to be finely adjusted, the operation time of the tested person is greatly shortened, and the test efficiency is improved. And fourthly, the test platform device can be detached into parts and placed in a portable box, so that the test platform is convenient to carry.

Description

Technical Field

[0001] The utility model relates to the field of medical equipment, and in particular to a portable testing platform device for a vision screening instrument. Background Art

[0002] Portable vision screeners are used to test the diopter of children and adults' glasses. They are important equipment for large-scale, rapid vision screening in hospital departments, grassroots communities, and schools. Existing portable vision screeners have the following defects: the tester holds the vision screener and searches for the eye position of the person being tested, which is time-consuming, laborious, and inefficient. If the test is conducted collectively in physical examination centers, schools, etc., this method will further affect work efficiency and increase the workload of the tester. Utility Model Content

[0003] In view of the shortcomings of the prior art, the utility model proposes a portable test platform device for vision screening instrument, and the specific technical scheme is as follows:

[0004] A portable test platform device for vision screening instrument, characterized in that:

[0005] It includes a table top, a chin rest device, a multi-section connecting rod, a lifting platform device and a vision screening device;

[0006] The chin rest device and the lifting platform device are arranged on the table top relatively, and the multi-section connecting rod is located between the chin rest device and the lifting platform device;

[0007] One end of the multi-section connecting rod is connected to the chin rest device, and the other end is connected to the lifting platform device, and the vision screening device is fixed on the lifting platform device;

[0008] The chin rest device comprises a clamping device, a chin rest seat, a chin rest handle, a jaw rest, a smooth rod, an adjusting screw rod, a forehead strap and a crossbeam;

[0009] The chin rest seat is fixed on the clamping device, the polished rod and the adjusting screw are fixed on the chin rest seat, and the chin rest handle, the jaw rest, the forehead strap and the crossbeam are sequentially installed on the polished rod and the adjusting screw from the bottom to the top; the chin rest handle is threadedly connected with the adjusting screw, and the jaw rest is slidably sleeved on the polished rod and the adjusting screw, and the jaw rest is moved up and down by rotating the chin rest handle;

[0010] The lifting platform device includes a lifting base, a driving gear, a driven gear, a lifting nut, a lifting screw rod, and a lifting bracket;

[0011] The driving gear and the driven gear are rotatably connected in the lifting base, the driving gear is meshed with the driven gear, and the lifting nut is connected to the driven gear;

[0012] The lifting screw rod is inserted into the lifting base, the lower end of the lifting screw rod is threadedly connected with the lifting nut, and the lifting bracket is connected to the lifting screw rod;

[0013] The lifting nut rotates to drive the lifting screw rod to move up and down, thereby driving the lifting bracket on the lifting screw rod to move up and down.

[0014] Furthermore: the multi-section connecting rod is a 1-meter connecting rod.

[0015] Furthermore, when folded, the chin rest device, the multi-section connecting rod and the lifting platform device are separated into corresponding parts and placed in a portable box.

[0016] Furthermore: the table top is a table top that is selected on site and is larger than 1200mm in length and 300mm in width.

[0017] The beneficial effects of the utility model are:

[0018] First, after the test platform device is installed and adjusted, the front-to-back distance is 1 meter, and no front-to-back adjustment is required during testing;

[0019] Second, after the test platform device is installed and adjusted, the vision screener is aligned with the middle of the two eyeballs, and no left and right adjustments are made during the test;

[0020] Third, when adjusting the alignment up and down, adjust the chin rest handle or the lifting platform device. The subsequent test subjects can be tested continuously without adjusting up and down or only need to fine-tune the lifting platform device, which greatly shortens the tester's operation time and improves test efficiency.

[0021] Fourth, the test platform device can be disassembled into components and placed in a portable box for easy carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of this patent;

[0023] Figure 2 for Figure 1 Middle A sectional view;

[0024] The accompanying drawings in the figure are marked as clamping device 1, chin rest seat 2, chin rest handle 3, chin rest 4, light rod 5, adjusting screw 6, forehead strap 7, cross beam 8, multi-section connecting rod 9, lifting base 10, lifting screw 11, lifting bracket 12, vision screener 13, table top 14, driving gear 15, driven gear 16, lifting nut 17, and bearing 18. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present utility model, it should be noted that the terms "vertical", "upper", "lower", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present utility model. In addition, "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] like Figure 1 , Figure 2 The structure of the embodiment of the present invention is shown in FIG. 1 , and the specific structure is described as follows:

[0028] A portable test platform device for a vision screening instrument comprises a table top 14, a chin rest device, a multi-section connecting rod 9, a lifting platform device and a vision screening instrument. The chin rest device and the lifting platform device are relatively arranged on the table top, the multi-section connecting rod is located between the chin rest device and the lifting platform device, the left end of the multi-section connecting rod is connected to the chin rest device, and the right end is connected to the lifting platform device, and the vision screening instrument 13 is fixed on the lifting platform device.

[0029] The specific structure of the chin rest device and the lifting platform is described below.

[0030] The chin rest device comprises a clamping device 1, a chin rest seat 2, a chin rest handle 3, a jaw rest 4, a smooth rod 5, an adjusting screw rod 6, a forehead band 7 and a crossbeam 8.

[0031] The chin rest seat 2 is connected to the clamping device 1 to form a chin rest frame device as a whole, and then the clamping device 1 is fastened to the edge of the table top 14.

[0032] The smooth rod 5 and the adjusting screw rod 6 are respectively inserted into the left and right holes of the chin rest seat 2 and fixed, the chin rest handle 3 is threadedly connected to the adjusting screw rod 6, and the two ends of the jaw rest 4 are respectively slidably sleeved on the smooth rod 5 and the adjusting screw rod 6, and the jaw rest 4 is placed on the chin rest handle 3. By rotating the chin rest handle 3, the chin rest handle 3 rotates relative to the adjusting screw rod 6, and the chin rest handle 3 drives the jaw rest 4 to move up and down along the smooth rod 5 and the adjusting screw rod 6.

[0033] The forehead band 7 and the cross beam 8 are fixed to the upper end and top position of the light rod 5 and the adjusting screw rod 6 in sequence.

[0034] The lifting platform is placed on the table top 14 , and includes a lifting base 10 , a lifting screw 11 , a lifting bracket 12 , a driving gear 15 , a driven gear 16 , a lifting nut 17 , and a bearing 18 .

[0035] like Figure 2 As shown, the driving gear 15 and the driven gear 16 are rotatably connected to the lifting base 10 respectively, and the driving gear 15 and the driven gear 16 are in a meshing state.

[0036] A bearing 18 is provided inside the lifting base 10 , the outer ring of the bearing 18 is pressed against the lifting base 10 , and the lifting nut 17 is tightly fitted on the inner ring of the bearing 18 .

[0037] The driven gear 16 is fixedly connected to the lifting nut 17, and the lifting nut 17 rotates with the driven gear 16. The lower end of the lifting screw rod 11 passes through the top of the lifting base 10 and extends into the lifting nut 17. The lower end of the lifting screw rod 11 is threadedly connected to the lifting nut 17. The upper end of the lifting screw rod 11 is connected to the lifting bracket 12, and the vision screening device is fixed on the lifting bracket 12.

[0038] A 1-meter-long multi-section connecting rod 9 is connected through two 500 mm connecting rods, one end of which is connected to the middle interface of the chin rest seat 2, and the other end is connected to the middle interface of the lifting base 10.

[0039] In this embodiment, the multi-section connecting rod 9 is 1 meter long, and the distance between the human eye and the vision screener is kept at 1 meter, without the need for forward and backward adjustment. The two ends of the multi-section connecting rod 9 are respectively connected to the middle interface of the chin rest seat 2 and the middle interface of the lifting base 10, so that the center line of the human eye is aligned with the center line of the vision screener, and no left and right adjustment is required. After adjusting the eye height of the person being tested to align with the center height of the vision screener through the lifting handle 3 on the chin rest device or the driving gear 15 on the lifting platform device, the subsequent persons being tested can be tested continuously without the need for up and down adjustment or only fine-tuning of the driving gear 15.

[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0041] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A portable test platform device for vision screening instrument, characterized in that: It includes a table top, a chin rest device, a multi-section connecting rod, a lifting platform device and a vision screening device; The chin rest device and the lifting platform device are arranged on the table top relatively, and the multi-section connecting rod is located between the chin rest device and the lifting platform device; One end of the multi-section connecting rod is connected to the chin rest device, and the other end is connected to the lifting platform device, and the vision screening device is fixed on the lifting platform device; The chin rest device comprises a clamping device, a chin rest seat, a chin rest handle, a jaw rest, a smooth rod, an adjusting screw rod, a forehead strap and a crossbeam; The chin rest seat is fixed on the clamping device, the polished rod and the adjusting screw are fixed on the chin rest seat, and the chin rest handle, the jaw rest, the forehead strap and the crossbeam are sequentially installed on the polished rod and the adjusting screw from the bottom to the top; the chin rest handle is threadedly connected with the adjusting screw, and the jaw rest is slidably sleeved on the polished rod and the adjusting screw, and the jaw rest is moved up and down by rotating the chin rest handle; The lifting platform device includes a lifting base, a driving gear, a driven gear, a lifting nut, a lifting screw rod, and a lifting bracket; The driving gear and the driven gear are rotatably connected in the lifting base, the driving gear is meshed with the driven gear, and the lifting nut is connected to the driven gear; The lifting screw rod is inserted into the lifting base, the lower end of the lifting screw rod is threadedly connected with the lifting nut, and the lifting bracket is connected to the lifting screw rod; The lifting nut rotates to drive the lifting screw rod to move up and down, thereby driving the lifting bracket on the lifting screw rod to move up and down.

2. A portable test platform device for vision screening according to claim 1, characterized in that: The multi-section connecting rod is a 1-meter connecting rod.

3. A portable test platform device for vision screening according to claim 2, characterized in that: When storing, the chin rest device, the multi-section connecting rod and the lifting platform device are separated into corresponding parts and placed in the portable box.

4. A portable test platform device for vision screening according to claim 3, characterized in that: The table top is a table panel larger than 1200mm in length and 300mm in width which can be selected on site.

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