Pupil distance adjusting mechanism of myopia therapeutic apparatus

Abstract

The interpupillary distance adjusting mechanism of the myopia therapeutic instrument comprises a main body and a base, the surface of the main body is connected with a neck block, the main body is internally provided with a placing groove, the placing groove is internally provided with a ring pipe, the surface of the ring pipe is connected with a connecting block, the connecting block is internally provided with a clamping groove, the clamping groove is internally provided with a gear, and the gear is connected with the base. A pulling rod is attached to the gear, a first limiting block is installed on the surface of the pulling rod, and the surface of the pulling rod is sleeved with a ferrule; the placing groove with the space larger than that of the coil pipe is formed in the main body, the surface of the coil pipe is connected with the connecting block, the gear is installed in the connecting block, and the distance between the gear and the sleeve ring connected with the surface of the pull rod in a sleeving mode is fit, so that the gear can be driven to rotate by pulling the pull rod; the rotation of the gear can drive the coil pipe connected with the connecting block to move left and right, and the distance between the pupils of the myopia therapeutic apparatus can be adjusted.

Description

Technical Field

[0001] The utility model belongs to the field of myopia therapeutic instruments, in particular to a pupil distance adjustment mechanism of the myopia therapeutic instrument. Background Art

[0002] Myopia treatment device refers to special glasses or instruments that have the effect of farsightedness and "defocusing". Currently, there are many types of myopia treatment devices on the market, but none of them can adjust the pupil distance on the device. However, everyone's face size, eye size and distance are different, so myopia treatment devices that cannot adjust the pupil distance cannot adapt to every user.

[0003] In summary, the present invention provides a pupil distance adjustment mechanism for a myopia treatment device to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a pupil distance adjustment mechanism for a myopia treatment device to solve the problems raised in the above-mentioned background technology;

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pupil distance adjustment mechanism of a myopia treatment device, comprising a main body and a base, a neck block is connected to the surface of the main body, a placement groove is opened inside the main body, a ring tube is installed inside the placement groove, a connecting block is connected to the surface of the ring tube, a card slot is opened inside the connecting block, a gear is installed inside the card slot, a pull rod is attached to the gear, a limit block is installed on the surface of the pull rod, and a ring is sleeved on the surface of the pull rod.

[0006] Preferably, the distance between the gear and the ring on the surface of the pull rod is in a staggered relationship, and the sizes are matched, and the slot matches the size of the gear.

[0007] Preferably, one side of the pull rod has three limit blocks 1, and the three limit blocks 1 form a group symmetrical about the transverse center line of the pull rod.

[0008] Preferably, the placement groove is larger than the space of the ring tube, the connecting block, the gear and the pulling rod.

[0009] Preferably, a semicircular groove is provided inside the base, a rotating block is placed inside the semicircular groove, a compact shell is connected to the surface of the rotating block, a slot is provided inside the rotating block, a limiting block 2 is installed on the surface of the rotating block, and the limiting block 2 is plugged into the plug block.

[0010] Preferably, the compact shell is located inside the semicircular groove, between the semicircular groove and the rotating block.

[0011] Preferably, the insert block is inserted into the rotating block, and the sizes of the two are matched.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The utility model opens a placement groove with a space larger than the circle tube inside the main body, connects a connecting block on the surface of the circle tube, installs a gear inside the connecting block, and the gear is also fitted with the distance between the ring sleeved on the surface of the pull rod, so that the pull rod can be pulled to drive the gear to rotate, and the rotation of the gear can drive the circle tube connected to the connecting block to move left and right, so as to adjust the pupil distance of the myopia treatment device.

[0014] 2. The utility model places a rotating block inside the base and installs a compact shell on the surface of the rotating block, so that the myopia therapeutic device can be moved up and down, but can also be fixed. At the same time, the neck block and the rotating block are installed together by using an insert block and a limit block to drive the rest of the myopia therapeutic device outside the base to move, thereby adapting to the heights of different children. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main cross-sectional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the side cross-sectional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the neck block truncation structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the enlarged structure of A of the utility model.

[0019] In the figure: 1. main body; 101. neck block; 102. base; 2. placement groove; 3. ring tube; 4. connection block; 5. slot; 6. gear; 7. pull rod; 8. limit block 1; 9. ring; 10. semicircular groove; 11. rotating block; 12. compact shell; 13. slot; 14. limit block 2; 15. plug block. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0021] like Figure 1-4As shown, the utility model provides a pupil distance adjustment mechanism of a myopia therapeutic device, including a main body 1 and a base 102, a neck block 101 is connected to the surface of the main body 1, a placement groove 2 is opened inside the main body 1, a ring tube 3 is installed inside the placement groove 2, a connecting block 4 is connected to the surface of the ring tube 3, a card slot 5 is opened inside the connecting block 4, a gear 6 is installed inside the card slot 5, a pull rod 7 is attached to the gear 6, a limit block 8 is installed on the surface of the pull rod 7, and a ring 9 is sleeved on the surface of the pull rod 7.

[0022] The distance between the gear 6 and the ring 9 on the surface of the pull rod 7 is in a staggered relationship, and the sizes are matched, and the size of the slot 5 matches that of the gear 6; pulling the pull rod 7 can drive the gear 6 to rotate, and the staggered relationship can make the rotation of the gear 6 drive the ring tube 3, thereby realizing the adjustment of the pupil distance.

[0023] There are three limit blocks 8 on one side of the pull rod 7, and the three limit blocks 8 form a group symmetrical about the transverse center line of the pull rod 7; the two groups of limit blocks can limit the pull rod 7 when it is pulled, and the ring tube 3 can not shake after adjustment.

[0024] The placement groove 2 is larger than the space of the circle tube 3, the connecting block 4, the gear 6 and the pulling rod 7; the large space can realize the left and right movement of the circle tube 3 and the free pulling of the pulling rod 7.

[0025] A semicircular groove 10 is provided inside the base 102, a rotating block 11 is placed inside the semicircular groove 10, a compact shell 12 is connected to the surface of the rotating block 11, a slot 13 is provided inside the rotating block 11, a limit block 14 is installed on the surface of the rotating block 11, and the limit block 14 is plugged into the plug block 15.

[0026] The compact shell 12 is located inside the semicircular groove 10 , between the semicircular groove 10 and the rotating block 11 ; the compact shell 12 allows the rotating block 11 to be moved or fixed inside the semicircular groove 10 .

[0027] The insert block 15 is inserted into the rotating block 11, and the sizes of the two are matched; the insert block 15 is installed together with the rotating block 11, and when the rotating block 11 moves forward and backward, it can drive the neck block 101 connected to the surface of the insert block 15 and the above parts to move forward and backward.

[0028] Specific working principle: Figure 1-4As shown, when using the pupil distance adjustment mechanism of the myopia therapeutic device, first, insert the plug block 15 connected to the surface of the neck block 101 into the slot 13 opened inside the compact shell 12 to connect the main body 1 with the base 102, and then pull the main body 1 to move the rotating block 11 forward and backward, and then move the whole forward and backward. When it is adjusted to a suitable position, pull the pulling rod 7 left and right to drive the rotation of the gear 6, and then the rotation of the gear 6 drives the ring tube 3 connected to the connecting block 4, so that different through-hole spacings can be adjusted, so that the myopia therapeutic device can adapt to different people. This is the characteristic of the pupil distance adjustment mechanism of the myopia therapeutic device.

[0029] The implementation modes of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A pupil distance adjustment mechanism for a myopia treatment device, comprising a main body (1) and a base (102), characterized in that: The surface of the main body (1) is connected to a neck block (101), a placement groove (2) is provided inside the main body (1), a ring tube (3) is installed inside the placement groove (2), a connection block (4) is connected to the surface of the ring tube (3), a clamping groove (5) is provided inside the connection block (4), a gear (6) is installed inside the clamping groove (5), a pull rod (7) is attached to the gear (6), a limit block (8) is installed on the surface of the pull rod (7), and a ring (9) is sleeved on the surface of the pull rod (7).

2. The pupil distance adjustment mechanism of a myopia treatment device according to claim 1, characterized in that: The distance between the gear (6) and the ferrule (9) on the surface of the pull rod (7) is in a staggered relationship, and the sizes thereof match; the sizes of the slot (5) and the gear (6) match.

3. The pupil distance adjustment mechanism of a myopia treatment device according to claim 1, characterized in that: One side of the pull rod (7) has three limit blocks (8), and the three limit blocks (8) form a group symmetrical about the transverse center line of the pull rod (7).

4. The pupil distance adjustment mechanism of a myopia treatment device according to claim 1, characterized in that: The placement groove (2) is larger than the space of the ring tube (3), the connecting block (4), the gear (6) and the pulling rod (7).

5. The pupil distance adjustment mechanism of a myopia treatment device according to claim 1, characterized in that: A semicircular groove (10) is provided inside the base (102), a rotating block (11) is placed inside the semicircular groove (10), a compact shell (12) is connected to the surface of the rotating block (11), a slot (13) is provided inside the rotating block (11), a second limit block (14) is installed on the surface of the rotating block (11), and the second limit block (14) is plugged into the plug block (15).

6. The pupil distance adjustment mechanism of the myopia treatment device according to claim 5, characterized in that: The compact shell (12) is located inside the semicircular groove (10), between the semicircular groove (10) and the rotating block (11).

7. The pupil distance adjustment mechanism of a myopia treatment device according to claim 5, characterized in that: The insert block (15) is inserted into the interior of the rotating block (11), and the sizes of the two are matched.

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