Opening device for ocular surface disease examination

Abstract

The utility model belongs to the technical field of ocular surface disease examination, and particularly relates to an ocular surface disease examination opening device which comprises a fixing plate, a sliding frame is installed on the front side of the fixing plate in a sliding mode, a fixing block is fixedly installed on the right side of the sliding frame, and through an arranged adjusting assembly, in the detection process, a knob is controlled to drive a worm to rotate, and the worm is driven to rotate. The worm drives the rotating shaft to rotate through the worm gear, the rotating shaft drives the gear to rotate, so that the gear is matched with the sliding block provided with the tooth groove, the gear drives the sliding block to slide, and the sliding block drives the sliding rod and the control block to move; the control block drives the control rod to slide in the control groove above the distraction device, so that the eyelid hook distraction the eyelids of a worker, the worker can check conveniently, and the worm and the worm gear have self-locking performance, so that the distraction device and the eyelid hook are not prone to loosening.

Description

Technical Field

[0001] The utility model relates to the technical field of ocular surface disease examination, in particular to an ocular surface disease examination dilating device. Background Technique

[0002] The concept of ocular surface diseases generally refers to diseases that damage the normal structure and function of the corneal and conjunctival ocular surface. Since the ocular surface is an overall concept, in terms of function, ocular surface diseases and lacrimal diseases need to be combined and summarized as ocular surface and tear diseases. During the examination process, an ocular surface disease examination dilating device is required to dilate the eyelids.

[0003] Publication No. CN 209003949 U discloses an ocular surface disease examination dilating device, which includes a first dilating arm, a second dilating arm, and an eyelid hook fixedly connected to the upper ends of the first dilating arm and the second dilating arm. It also includes a first connecting arm, a second connecting arm, a handle, a slider, and a lighting device. The lower ends of the first dilating arm and the second dilating arm are respectively hinged with the first connecting arm and the second connecting arm, and the handle is axially provided with a rectangular notch.

[0004] During its use, during the process of use, due to being held by a person, if there is jitter, it is easy for the device to touch the person's glasses, resulting in low safety. And the device is controlled by a slider. If the slider becomes loose, it is easy for the distance opened by the machine to change. Therefore, we propose an ocular surface disease examination dilating device. Content of the Utility Model

[0005] The purpose of the utility model is to provide an ocular surface disease examination dilating device, which solves the existing problems.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] An ocular surface disease examination dilating device includes a fixing plate. A sliding frame is slidably installed on the front side of the fixing plate. A fixing block is fixedly installed on the right side of the sliding frame. A dilating device is slidably installed on the upper and lower sides of the right side of the fixing block. An eyelid hook is fixedly installed on one side of the dilating device; an adjusting component is installed on the sliding frame; a lifting component is installed on the fixing plate and the sliding frame.

[0008] Preferably, the adjustment assembly includes a sliding block, a sliding rod, a control block, a control rod, a rotating shaft, a gear, a worm wheel, a worm and a knob, the sliding block is slidably installed between the inner sides of the sliding frame, the sliding rod is fixedly installed on one side of the sliding block, the control block is fixedly installed on the outside of one end of the sliding rod, the control rod is fixedly installed on the upper and lower sides of the bottom of the control block, the rotating shaft is rotatably installed on the rear inner wall of the sliding frame, the gear is fixedly installed on the outside of the rotating shaft, the worm wheel is fixedly installed on the outside of the rotating shaft and is located in front of the gear, the worm is rotatably installed between the inner sides of the sliding frame, the worm and the worm wheel are meshed, and the knob is fixedly installed on the outside of one end of the worm.

[0009] Preferably, the lifting assembly includes a limit block, a support block, a screw rod and a control handle, the limit block is fixedly installed on the front side of the fixed plate, the support block is fixedly installed on the top of the sliding frame, the screw rod is threadedly installed between the inner sides of the support block, and the control handle is fixedly installed on the outside of one end of the screw rod.

[0010] Preferably, a slot is provided on the top of the sliding frame, and the shape of the position-limiting block is the same as that of the slot.

[0011] By adopting the above technical solution, the card slot makes it easy for the sliding frame to slide on the outside of the limiting card block, so that the sliding frame is relatively stable during the sliding process.

[0012] Preferably, a threaded hole is opened on one side of the support block, the screw rod is threadedly installed between the inner sides of the threaded hole, and a rubber pad is fixedly installed on the other end of the screw rod.

[0013] By adopting the above technical solution, the threaded hole makes it easy for the screw rod to move forward and backward after rotation, and the rubber pad makes it easy to increase the friction force, so that the sliding frame is not easy to shake or fall after moving.

[0014] Preferably, a control groove is provided on the front side of the spreading device, and the outer diameter of the control rod is the same as the width of the control groove.

[0015] By adopting the above technical solution, the control groove makes it easy for the control rod to control the opening device after moving, so that the opening device can close or open the eyelid.

[0016] Preferably, a tooth groove is provided on one side of the sliding block, and the gear meshes with an adjacent tooth groove.

[0017] Preferably, a sliding groove is provided on one side of the fixing block, and the control rod is slidably installed between the inner sides of the sliding groove.

[0018] By adopting the above technical solution, the sliding groove facilitates limiting the control rod after being stressed, so that the control rod can only slide inside the sliding groove.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0020] (1) For an eye surface disease inspection and spreading device of the present utility model, through the provided adjusting component, during the detection process, the control knob drives the worm to rotate, so that the worm drives the rotating shaft to rotate through the worm gear, and the rotating shaft drives the gear to rotate. Thus, the gear cooperates with the sliding block provided with a tooth groove, and the gear drives the sliding block to slide, so that the sliding block drives the sliding rod and the control block to move, and the control block drives the control rod to slide in the control groove above the spreading device, so as to spread the eyelid hook on the eyelid of the person, facilitating the staff to conduct an inspection. Moreover, the worm and the worm gear have self-locking property, so that the spreading device and the eyelid hook are not prone to loosening.

[0021] (2) For an eye surface disease inspection and spreading device of the present utility model, through the provided lifting component, when detecting different persons, due to different heights of the persons, the sliding frame can be controlled to slide outside the fixed plate and the limit block. After sliding to the designated position, the control handle can be controlled to drive the lead screw to rotate, so that the lead screw can be lifted and lowered, and the rubber pad below the lead screw abuts against the fixed plate, thereby increasing the friction force and making the sliding frame more stable when fixed. Description of the Drawings

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0023] Figure 1 It is a three-dimensional structure schematic diagram of an eye surface disease inspection and spreading device proposed by the present utility model;

[0024] Figure 2 It is a partial three-dimensional structure schematic diagram of an eye surface disease inspection and spreading device proposed by the present utility model;

[0025] Figure 3 It is a partial three-dimensional structure schematic diagram of an eye surface disease inspection and spreading device proposed by the present utility model;

[0026] Figure 4 It is a partial three-dimensional structure schematic diagram of an eye surface disease inspection and spreading device proposed by the present utility model.

[0027] In the figure: 1. fixed plate; 2. sliding frame; 3. fixed block; 4. opening device; 5. eyelid hook; 6. sliding block; 7. sliding rod; 8. control block; 9. control rod; 10. rotating shaft; 11. gear; 12. worm gear; 13. worm; 14. knob; 15. limit block; 16. support block; 17. screw; 18. control handle. DETAILED DESCRIPTION

[0028] 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 of 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.

[0029] refer to Figures 1-4 A device for inspecting and opening an ocular surface disease comprises a fixed plate 1, a sliding frame 2 is slidably mounted on the front side of the fixed plate 1, a fixed block 3 is fixedly mounted on the right side of the sliding frame 2, an opening device 4 is slidably mounted on the upper and lower sides of the right side of the fixed block 3, and an eyelid hook 5 is fixedly mounted on one side of the opening device 4; an adjusting component, the adjusting component is mounted on the sliding frame 2; and a lifting component, the lifting component is mounted on the fixed plate 1 and the sliding frame 2.

[0030] In this embodiment, the adjustment component includes a sliding block 6, a sliding rod 7, a control block 8, a control rod 9, a rotating shaft 10, a gear 11, a worm wheel 12, a worm 13 and a knob 14. The sliding block 6 is slidably installed between the inner sides of the sliding frame 2, the sliding rod 7 is fixedly installed on one side of the sliding block 6, the control block 8 is fixedly installed on the outside of one end of the sliding rod 7, the control rod 9 is fixedly installed on the upper and lower sides of the bottom of the control block 8, the rotating shaft 10 is rotatably installed on the rear inner wall of the sliding frame 2, the gear 11 is fixedly installed on the outside of the rotating shaft 10, the worm wheel 12 is fixedly installed on the outside of the rotating shaft 10 and is located in front of the gear 11, the worm 13 is rotatably installed between the inner sides of the sliding frame 2, the worm 13 and the worm wheel 12 are meshed, and the knob 14 is fixedly installed on the outside of one end of the worm 13.

[0031] In this embodiment, the lifting assembly includes a limit block 15, a support block 16, a screw rod 17 and a control handle 18. The limit block 15 is fixedly installed on the front side of the fixed plate 1, the support block 16 is fixedly installed on the top of the sliding frame 2, the screw rod 17 is threadedly installed between the inner sides of the support block 16, and the control handle 18 is fixedly installed on the outer side of one end of the screw rod 17.

[0032] In this embodiment, a slot is provided on the top of the sliding frame 2 , and the shape of the position-limiting block 15 is the same as that of the slot.

[0033] In this embodiment, a threaded hole is formed on one side of the support block 16 , and the screw rod 17 is threadedly installed between the inner sides of the threaded hole, and a rubber pad is fixedly installed on the other end of the screw rod 17 .

[0034] In this embodiment, a control groove is provided on the front side of the spreading device 4, and the outer diameter of the control rod 9 is the same as the width of the control groove.

[0035] In this embodiment, a tooth groove is formed on one side of the sliding block 6, and the gear 11 meshes with the adjacent tooth groove.

[0036] In this embodiment, a sliding groove is provided on one side of the fixing block 3, and the control rod 9 is slidably installed between the inner sides of the sliding groove.

[0037] The implementation principle of one embodiment of the present application is as follows: during the detection process, the control knob 14 drives the worm 13 to rotate, so that the worm 13 drives the rotating shaft 10 to rotate through the worm gear 12, so that the rotating shaft 10 drives the gear 11 to rotate, so that the gear 11 cooperates with the sliding block 6 with a tooth groove, so that the gear 11 drives the sliding block 6 to slide, so that the sliding block 6 drives the sliding rod 7 and the control block 8 to move, so that the control block 8 drives the control rod 9 to slide in the control groove above the opening device 4, so that the eyelid hook 5 is applied to the eyelids of the person. It can be opened to facilitate inspection by staff, and the worm 13 and the worm wheel 12 are self-locking, so that the opening device 4 and the eyelid hook 5 are not easy to loosen; when testing different people, due to the different heights of people, the sliding frame 2 can be controlled to slide on the outside of the fixed plate 1 and the limit block 15. After sliding to the specified position, the control handle 18 can be controlled to drive the screw rod 17 to rotate, so that the screw rod 17 can be raised and lowered, and the rubber pad under the screw rod 17 is in contact with the fixed plate 1, thereby increasing the friction force, so that the sliding frame 2 is more stable when fixed.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The above is a detailed introduction to an ocular surface disease inspection and distraction device provided by the utility model. This article uses specific embodiments to illustrate the principles and implementation methods of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. An ocular surface disease inspection and distraction device, characterized in that: include: A fixed plate (1), a sliding frame (2) is slidably mounted on the front side of the fixed plate (1), a fixed block (3) is fixedly mounted on the right side of the sliding frame (2), a spreading device (4) is slidably mounted on the upper and lower sides of the right side of the fixed block (3), and an eyelid hook (5) is fixedly mounted on one side of the spreading device (4); An adjustment component is installed on a sliding frame (2); the adjustment component comprises a sliding block (6), a sliding rod (7), a control block (8), a control rod (9), a rotating shaft (10), a gear (11), a worm wheel (12), a worm (13) and a knob (14); the sliding block (6) is slidably installed between the inner sides of the sliding frame (2); the sliding rod (7) is fixedly installed on one side of the sliding block (6); the control block (8) is fixedly installed on the outer side of one end of the sliding rod (7); and the control rod (9) is fixedly installed on the outer side of one end of the sliding rod (7). The control block (8) is fixedly mounted on the upper and lower sides of the bottom of the control block (8); the rotating shaft (10) is rotatably mounted on the inner wall of the rear side of the sliding frame (2); the gear (11) is fixedly mounted on the outer side of the rotating shaft (10); the worm wheel (12) is fixedly mounted on the outer side of the rotating shaft (10) and is located in front of the gear (11); the worm (13) is rotatably mounted between the inner sides of the sliding frame (2); the worm (13) and the worm wheel (12) are meshed; and the knob (14) is fixedly mounted on the outer side of one end of the worm (13); A lifting assembly is installed on a fixed plate (1) and a sliding frame (2).

2. The ocular surface disease inspection and distraction device according to claim 1, characterized in that: The lifting assembly comprises a limit block (15), a support block (16), a screw rod (17) and a control handle (18), wherein the limit block (15) is fixedly mounted on the front side of the fixed plate (1), the support block (16) is fixedly mounted on the top of the sliding frame (2), the screw rod (17) is threadedly mounted between the inner sides of the support block (16), and the control handle (18) is fixedly mounted on the outer side of one end of the screw rod (17).

3. The ocular surface disease inspection and distraction device according to claim 2, characterized in that: A slot is provided on the top of the sliding frame (2), and the shape of the position-limiting block (15) is the same as that of the slot.

4. The ocular surface disease inspection and distraction device according to claim 2, characterized in that: A threaded hole is provided on one side of the support block (16), the screw rod (17) is threadedly installed between the inner sides of the threaded hole, and a rubber pad is fixedly installed on the other end of the screw rod (17).

5. The ocular surface disease inspection and distraction device according to claim 1, characterized in that: A control groove is provided on the front side of the spreading device (4), and the outer diameter of the control rod (9) is the same as the width of the control groove.

6. The ocular surface disease inspection and distraction device according to claim 1, characterized in that: A tooth groove is provided on one side of the sliding block (6), and the gear (11) meshes with an adjacent tooth groove.

7. The ocular surface disease inspection and distraction device according to claim 1, characterized in that: A sliding groove is provided on one side of the fixed block (3), and the control rod (9) is slidably mounted between the inner sides of the sliding groove.

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