Eyelid lifting mechanism

Abstract

The utility model discloses an eyelid lifting mechanism which comprises a lifting assembly, a vacuum pump assembly and a sliding assembly, and the lifting assembly comprises an upper lifting part used for lifting an upper eyelid upwards and a lower lifting part used for pulling a lower eyelid downwards. The sliding assembly comprises an upper moving part sliding towards the upper portion of the upper eyelid and a lower moving part sliding towards the lower portion of the lower eyelid, the upper moving part is connected with the upper lifting part, the lower moving part is connected with the lower lifting part, and an upper through hole allowing air to pass through is formed in the middle of the upper lifting part. An upper through hole for air to pass through is formed in the middle of the upper lifting part, a lower through hole for air to pass through is formed in the middle of the lower lifting part, the vacuum pump assembly communicates with the upper through hole and the lower through hole, the upper lifting part can adsorb the upper eyelid position of the human body, and the lower lifting part can adsorb the lower eyelid position of the human body. A to-be-detected area for placing the eyes of a human body is formed between the upper lifting part and the lower lifting part. The eyelid lifting mechanism can prevent the eyes of a patient from being damaged by manual operation, and is higher in safety, more convenient to operate and more stable in lifting.

Description

Technical Field

[0001] This utility model relates to the field of eye detection equipment technology, specifically to an eyelid lifting mechanism. Background Technology

[0002] In routine eye examinations, treatments, and nursing procedures, adequate exposure of the eyelids and eyeballs is crucial for ensuring the smooth progress of the procedure. Traditional eyelid exposure methods often involve medical staff manually pulling apart the eyelids, directly contacting and pulling the eyelid skin and margin with their fingers to separate the eyelid from the eyeball to obtain the operating field. This method lacks specialized auxiliary instruments and relies entirely on manual labor. The force and angle of finger pulling are difficult to control precisely, easily causing abrasions to the eyelid mucosa and skin redness and swelling due to improper force. Hand tremors are prone to occur during the procedure, resulting in poor stability and affecting the accuracy of the examination and operation. Manual contact also poses a risk of cross-infection, and prolonged manual pulling increases the workload of medical staff. For patients with poor cooperation, it is difficult to maintain a stable eyelid exposure state continuously. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an eyelid lifting mechanism to solve the problem mentioned in the background art that traditional eyelid lifting is completed by manual operation, which is inconvenient and can easily cause damage to the patient's eyes.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an eyelid lifting mechanism, comprising a lifting assembly, a vacuum pump assembly, and a sliding assembly. The lifting assembly includes an upper lifting portion for lifting the upper eyelid upwards and a lower lifting portion for pulling the lower eyelid downwards. The sliding assembly includes an upper sliding portion for sliding upwards towards the upper eyelid and a lower sliding portion for sliding downwards towards the lower eyelid. The upper sliding portion is connected to the upper lifting portion, and the lower sliding portion is connected to the lower lifting portion. An upper through-hole for air passage is provided at the middle position of the upper lifting portion, and a lower through-hole for air passage is provided at the middle position of the lower lifting portion. The vacuum pump assembly is connected to the upper through-hole and the lower through-hole respectively. The upper lifting portion can adsorb the upper eyelid of the human body, and the lower lifting portion can adsorb the lower eyelid of the human body. A detection area for placing the human eye is formed between the upper lifting portion and the lower lifting portion.

[0005] As a further improvement of this utility model, the upper lifting part is provided with at least one adsorbent facing the human eye, and the adsorbent has a funnel-shaped adsorption cavity at one end facing the human eyelid. One end of the adsorption cavity can contact the human eyelid, and the other end is connected to the upper through hole; the lower lifting part is provided with at least one adsorbent facing the human eye, and the adsorbent has a funnel-shaped adsorption cavity at one end facing the human eyelid. One end of the adsorption cavity can contact the human eyelid, and the other end is connected to the lower through hole.

[0006] As a further improvement of this utility model, the upper lifting part is provided with two suction devices facing the upper eyelid of the human body, and the lower lifting part is provided with two suction devices facing the lower eyelid of the human body.

[0007] As a further improvement of this utility model, the sliding component is provided with an upper motor corresponding to the upper moving part and a lower motor corresponding to the lower moving part.

[0008] As a further improvement of this utility model, the sliding component includes a slide rail, and the upper moving part and the lower moving part are both slidably connected to the slide rail. The upper moving part moves back and forth along the upper part of the slide rail corresponding to the upper eyelid of the human body, and the lower moving part moves back and forth along the lower part of the slide rail corresponding to the lower eyelid of the human body.

[0009] Compared with existing technologies, this utility model provides an eyelid lifting mechanism with the following advantages: The lifting component is configured with an upper lifting part and a lower lifting part corresponding to the upper and lower eyelids respectively. Combined with the design of the vacuum pump component and the upper and lower through holes, it can achieve precise adsorption of the upper and lower eyelids, with stable and uniform adsorption force, avoiding damage to the eyelid skin caused by mechanical lifting, while ensuring accurate lifting position. The upper and lower moving parts of the sliding component are connected to the upper and lower lifting parts respectively, allowing for flexible adjustment of the position of the upper and lower lifting parts to adapt to the differences in eye contours of different people, improving the versatility of the mechanism. Furthermore, the detection area formed between the upper and lower lifting parts allows the eye to be fully exposed without obstructing the detection field of view, facilitating the smooth conduct of subsequent eye examinations. The overall structure is simple and easy to operate. Attached Figure Description

[0010] Figure 1 This is a perspective view of the present utility model;

[0011] Figure 2 This is a perspective view of the upper pull part of this utility model;

[0012] Figure 3 This is a front view of the lifting component of this utility model;

[0013] Figure 4 The accompanying drawings are for the specification of this utility model. Figure 3 A sectional view of section line A in the middle.

[0014] Reference numerals: 1. Lifting assembly; 2. Vacuum pump assembly; 3. Sliding assembly; 4. Upper lifting part; 5. Lower lifting part; 6. Upper moving part; 7. Lower moving part; 8. Upper through hole; 9. Lower through hole; 10. Detection area; 11. Adsorber; 12. Adsorption chamber; 13. Upper motor; 14. Lower motor; 15. Slide rail. Detailed Implementation

[0015] As shown in the figure, to achieve the above-mentioned objective, this utility model provides an eyelid lifting mechanism, including a lifting component 1, a vacuum pump component 2, and a sliding component 3. The lifting component 1 includes an upper lifting part 4 for lifting the upper eyelid upward and a lower lifting part 5 for pulling the lower eyelid downward. The sliding component 3 includes an upper sliding part 6 for sliding upward toward the upper eyelid and a lower sliding part 7 for sliding downward toward the lower eyelid. The upper sliding part 6 is connected to the upper lifting part 4, and the lower sliding part 7 is connected to the lower lifting part 5. An upper through hole 8 for air to pass through is opened at the middle position of the upper lifting part 4, and a lower through hole 9 for air to pass through is opened at the middle position of the lower lifting part 5. The vacuum pump component 2 is connected to the upper through hole 8 and the lower through hole 9 respectively. The upper lifting part 4 can adsorb the upper eyelid of the human body, and the lower lifting part 5 can adsorb the lower eyelid of the human body. A detection area 10 for placing the human eye is formed between the upper lifting part 4 and the lower lifting part 5.

[0016] In implementation, this eyelid lifting mechanism comprises a lifting assembly 1, a vacuum pump assembly 2, and a sliding assembly 3, which work together to lift the eyelid. The lifting assembly 1 consists of an upper lifting section 4 and a lower lifting section 5. The upper lifting section 4 conforms to the contour of the upper eyelid and applies an upward lifting force, while the lower lifting section 5 conforms to the contour of the lower eyelid and applies a downward pulling force. Through this vertical force, the eyelid opens. The device in this solution lifts the eyelid with a small amplitude, ensuring sufficient eye exposure for testing without causing damage to the eyelid. The sliding assembly 3 has an upper sliding section 6 and a lower sliding section 7. The upper sliding section 6 is detachably fixed to the upper lifting section 4 using either a snap-fit ​​or bolt connection for easy maintenance and replacement. The lower sliding section 7 uses the same connection method as the lower lifting section 5 to ensure connection stability. An upper through-hole 8 is formed in the middle of the upper lifting part 4 along its thickness direction. This through-hole 8 penetrates the upper surface of the upper lifting part 4 and connects to the vent pipe above the vacuum pump assembly 2 to allow air circulation. A lower through-hole 9 is correspondingly formed in the middle of the lower lifting part 5. The lower through-hole 9 has the same structure as the upper through-hole 8 and connects to the vent pipe below the vacuum pump assembly 2 to allow air circulation. The vacuum pump assembly 2 is connected to the upper through-hole 8 and the lower through-hole 9 via two vent pipes respectively. The connection between the vent pipes and the through-holes is sealed with a sealant to prevent air leakage from affecting the adsorption effect. In use, align the human eye with the area to be tested 10 formed between the upper lifting part 4 and the lower lifting part 5. Activate the vacuum pump assembly 2. The vacuum pump assembly 2 evacuates air from the space between the upper lifting part 4 and the upper eyelid through the upper through-hole 8, causing the upper lifting part 4 to adhere to the surface of the upper eyelid. Simultaneously, it evacuates air from the space between the lower lifting part 5 and the lower eyelid through the lower through-hole 9, causing the lower lifting part 5 to adhere to the surface of the lower eyelid. Then, the sliding assembly 3 drives the upper moving part 6 to slide upwards towards the upper eyelid, pulling the upper lifting part 4 upwards and the lower moving part 7 to slide downwards towards the lower eyelid, pulling the lower lifting part 5 downwards until the eyelid opens to a suitable angle. Maintain this state to perform subsequent eye examination operations. The operation is simple and highly practical. This solution uses two vacuum pumps in combination, one for evacuating air from the upper through-hole 8 and the other for evacuating air from the lower through-hole 9. In other solutions, those skilled in the art can also use a single vacuum pump combined with a flow divider valve.

[0017] As an improved specific embodiment, the upper lifting part 4 is provided with at least one adsorbent 11 facing the human eye. The adsorbent 11 has a funnel-shaped adsorption cavity 12 at one end facing the human eyelid. One end of the adsorption cavity 12 can contact the human eyelid, and the other end is connected to the upper through hole 8. The lower lifting part 5 is provided with at least one adsorbent 11 facing the human eye. The adsorbent 11 has a funnel-shaped adsorption cavity 12 at one end facing the human eyelid. One end of the adsorption cavity 12 can contact the human eyelid, and the other end is connected to the lower through hole 9.

[0018] In implementation, at least one adsorbent 11 is fixedly installed on the surface of the upper lifting part 4 facing the human eye. The end of the adsorbent 11 facing the human eyelid has a funnel-shaped adsorption cavity 12. The larger diameter end of the adsorption cavity 12 faces the human eyelid, and the smaller diameter end faces into the upper lifting part 4, communicating with the upper through hole 8. The funnel-shaped structure increases the contact area between the adsorbent 11 and the eyelid, improving adsorption stability, and also facilitates air extraction through the upper through hole 8 by the vacuum pump assembly 2. Similarly, at least one adsorbent 11 is also fixedly installed on the surface of the lower lifting part 5 facing the human eye. The structure of this adsorbent 11 is completely identical to that of the adsorbent 11 on the upper lifting part 4. Its end facing the human eyelid also has a funnel-shaped adsorption cavity 12, with the larger diameter end contacting the human eyelid and the smaller diameter end communicating with the lower through hole 9. When in use, after the vacuum pump assembly 2 is started, air passes through the large-diameter end and the small-diameter end of the adsorption chamber 12 in sequence, and is then extracted through the upper through hole 8 and the lower through hole 9, creating a negative pressure inside the adsorption chamber 12. This causes the adsorber 11 to firmly adhere to the surface of the eyelid. Subsequently, the sliding assembly 3 drives the upper lifting part 4 and the lower lifting part 5 to move, thereby lifting the eyelid. Compared to adsorption directly through the lifting part, setting up the adsorber 11 can further improve the adsorption effect, avoid the phenomenon of falling off during the lifting process, and ensure the stability and reliability of eyelid lifting.

[0019] As an improved specific embodiment, the upper lifting part 4 is provided with two suction devices 11 facing the upper eyelid of the human body, and the lower lifting part 5 is provided with two suction devices 11 facing the lower eyelid of the human body.

[0020] In this design, two suction cups 11 are symmetrically arranged on the surface of the upper lifting part 4 facing the upper eyelid. The two suction cups 11 correspond to the inner and outer sides of the upper eyelid, respectively. This arrangement ensures a uniform distribution of suction force on the upper eyelid, preventing uneven pressure on one side and thus affecting the lifting effect and user comfort. Similarly, two suction cups 11 are symmetrically arranged on the surface of the lower lifting part 5 facing the lower eyelid, corresponding to the inner and outer sides of the lower eyelid, respectively. This symmetrical arrangement with the two suction cups 11 on the upper lifting part 4 ensures a uniform distribution of suction force on the lower eyelid as well. When in use, after the vacuum pump assembly 2 is started, the two suction units 11 simultaneously adsorb the eyelids. After adsorption is completed, the sliding assembly 3 drives the upper moving part 6 and the lower moving part 7 to move. Due to the uniform distribution of adsorption force, the eyelids can be smoothly lifted to the open state, avoiding tilting, falling off, etc., which further improves the practicality and stability of the mechanism, while reducing the pressure on the human eyelids and improving the comfort of use.

[0021] As an improved specific implementation, the sliding component 3 is provided with an upper motor 13 corresponding to the upper moving part 6 and a lower motor 14 corresponding to the lower moving part 7.

[0022] In this solution, the sliding component 3 is equipped with an upper motor 13 corresponding to the upper moving part 6 and a lower motor 14 corresponding to the lower moving part 7. Both the upper motor 13 and the lower motor 14 are servo motors. Servo motors have the advantages of high control precision and adjustable speed, which can accurately control the moving distance and speed of the upper moving part 6 and the lower moving part 7 to meet the lifting needs of different human eye sizes. This solution uses one motor to control the movement of the upper moving part 6 and another motor to control the movement of the lower moving part 7. The independent operation makes it more controllable, more flexible, and less prone to failure.

[0023] As an improved specific embodiment, the sliding component 3 includes a slide rail 15, and the upper moving part 6 and the lower moving part 7 are both slidably connected to the slide rail 15. The upper moving part 6 moves back and forth along the upper part of the slide rail 15 corresponding to the upper eyelid of the human body, and the lower moving part 7 moves back and forth along the lower part of the slide rail 15 corresponding to the lower eyelid of the human body.

[0024] In implementation, the sliding component 3 includes a slide rail 15, which is a linear slide rail. The linear slide rail 15 offers advantages such as smooth sliding, low friction, and high stability, ensuring the movement accuracy of the upper moving part 6 and the lower moving part 7. The slide rail 15 is fixedly mounted on the frame of the mechanism, with its length parallel to the vertical direction of the human eye. The upper part of the slide rail 15 corresponds to the upper moving part 6, and the lower part corresponds to the lower moving part 7. The bottom of the upper moving part 6 has a slider adapted to the slide rail 15. The slider is slidably connected to the slide rail 15 and can slide freely along the length of the slide rail 15. Through the cooperation of the slider and the slide rail 15, the upper moving part 6 can reciprocate along the upper part of the slide rail 15 corresponding to the upper eyelid, thereby driving the upper lifting part 4 to complete the lifting action of the upper eyelid. The top of the lower moving part 7 is also equipped with a slider that matches the slide rail 15. This slider is slidably connected to the lower part of the slide rail 15. The lower moving part 7, through the cooperation of the slider and the slide rail 15, can reciprocate along the lower part of the slide rail 15 corresponding to the lower eyelid of the human body, thereby driving the lower lifting part 5 to complete the pulling action of the lower eyelid. In order to prevent the upper moving part 6 and the lower moving part 7 from disengaging from the slide rail 15 during the sliding process, both ends of the slide rail 15 are equipped with limiting components for limiting the sliding distance of the upper moving part 6 and the lower moving part 7. The limiting components are fixedly connected to the slide rail 15 and can limit the movement stroke of the slider to avoid excessive movement that could damage the mechanism or injure the eyelid. The limiting components in this solution can be limiting blocks or other components that can limit their movement.

[0025] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within its protection scope.

Claims

1. An eyelid lifting mechanism, characterized in that, The device includes a lifting assembly, a vacuum pump assembly, and a sliding assembly. The lifting assembly includes an upper lifting portion for lifting the upper eyelid upwards and a lower lifting portion for pulling the lower eyelid downwards. The sliding assembly includes an upper sliding portion that slides upwards toward the upper eyelid and a lower sliding portion that slides downwards toward the lower eyelid. The upper sliding portion is connected to the upper lifting portion, and the lower sliding portion is connected to the lower lifting portion. An upper through-hole for air passage is opened at the middle position of the upper lifting portion, and a lower through-hole for air passage is opened at the middle position of the lower lifting portion. The vacuum pump assembly is connected to the upper through-hole and the lower through-hole respectively. The upper lifting portion can adsorb the upper eyelid of the human body, and the lower lifting portion can adsorb the lower eyelid of the human body. A test area for placing the human eye is formed between the upper lifting portion and the lower lifting portion.

2. The eyelid lifting mechanism according to claim 1, characterized in that, The upper lifting part is provided with at least one adsorbent facing the human eye. The adsorbent has a funnel-shaped adsorption cavity at one end facing the human eyelid. One end of the adsorption cavity can contact the human eyelid, and the other end is connected to the upper through hole. The lower lifting part is provided with at least one adsorbent facing the human eye. The adsorbent has a funnel-shaped adsorption cavity at one end facing the human eyelid. One end of the adsorption cavity can contact the human eyelid, and the other end is connected to the lower through hole.

3. The eyelid lifting mechanism according to claim 2, characterized in that, The upper lifting part is provided with two suction devices facing the upper eyelid of the human body, and the lower lifting part is provided with two suction devices facing the lower eyelid of the human body.

4. The eyelid lifting mechanism according to claim 1, characterized in that, The sliding assembly is equipped with an upper motor corresponding to the upper moving part and a lower motor corresponding to the lower moving part.

5. The eyelid lifting mechanism according to claim 1, characterized in that, The sliding assembly includes a slide rail, and the upper and lower sliding parts are slidably connected to the slide rail. The upper sliding part moves back and forth along the upper part of the slide rail corresponding to the upper eyelid of the human body, and the lower sliding part moves back and forth along the lower part of the slide rail corresponding to the lower eyelid of the human body.

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