Ophthalmic examination fixation lamp convenient to adjust

Abstract

The ophthalmic examination fixation lamp convenient to adjust comprises a fixing base, a clamping mechanism is arranged on the surface of the fixing base, the clamping mechanism comprises a clamping plate, a fixing plate and a first telescopic spring, an adjusting mechanism is arranged in the middle of the fixing base, and the adjusting mechanism is arranged in the middle of the fixing base. The adjusting mechanism comprises a fixing frame and an LED lamp holder, and a lifting rod is slidably connected into the fixing frame. According to the ophthalmic examination fixation lamp convenient to adjust, clamping plates and fixing plates are connected together through first telescopic springs, the two fixing plates are made to get close to each other by adjusting the clamping plates, a fixing base is fixed to the surface of a headrest of an examination deck chair, an LED lamp holder is conveniently and transversely moved by moving a fixing frame, and a lifting rod slides up and down in the fixing frame; and through the adjusting mechanism, the position of the LED lamp holder can be conveniently adjusted, and the convenience of adjusting the LED lamp holder is improved.

Description

Technical Field

[0001] This utility model relates to an ophthalmic examination fixation lamp, specifically an easily adjustable ophthalmic examination fixation lamp, belonging to the field of ophthalmic examination technology. Background Technology

[0002] An ophthalmological examination is a general examination of the eye, including examination of the ocular adnexa and anterior segment. Examination of the ocular adnexa includes examining the eyelids, conjunctiva, lacrimal apparatus, eyeball position, and orbit. An ophthalmological examination can assess eye function. Examinations of visual acuity, visual field, etc., require the examiner to use appropriate equipment and the patient to make a judgment based on their mental activity; therefore, they are called visual psychophysical examinations.

[0003] Utility model patent CN220141627U discloses an ophthalmic examination fixation lamp, including a base with an open tube sleeve bonded, welded, or fitted onto it; a flexible tube body is embedded within the open tube sleeve; a lamp holder is fixed to the front end of the tube body; and a red LED indicator light is screwed onto the lamp holder. This ophthalmic examination fixation lamp solves the problems of eye strain caused by placing the arm in front of the eyes and eye movement caused by finger movement, and eliminates the need for assistance from another medical professional. Furthermore, it allows the light source to be adapted to the patient's tolerance level.

[0004] Fixation lamps are used to locate a patient's eyeballs. Although the fixation lamp in the aforementioned patent can fix the lamp body, the clamp has poor fixing ability. When adjusting the lamp head, the clamp is easy to loosen, affecting the use effect. Therefore, we provide an easily adjustable ophthalmic examination fixation lamp to solve the above problems. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] The purpose of this invention is to provide an easily adjustable fixation lamp for ophthalmic examinations in order to solve the above-mentioned problems, thereby addressing the issue of fixation lamps in the prior art being prone to loosening.

[0007] (II) Technical Solution

[0008] This utility model is achieved through the following technical solution: an easily adjustable fixation lamp for ophthalmic examination.

[0009] The device includes a fixed base, the surface of which is provided with a clamping mechanism. The clamping mechanism includes a clamping plate, a fixing plate, and a first telescopic spring. The two ends of the first telescopic spring are fixedly connected to the clamping plate and the fixing plate, respectively. An adjustment mechanism is provided in the middle of the fixed base. The adjustment mechanism includes a fixing frame and an LED lamp head. A lifting rod for fixing the LED lamp head is slidably connected inside the fixing frame.

[0010] Preferably, the surface of the fixed base is provided with a sliding groove, and a sliding block is slidably connected inside the sliding groove. The top end of the sliding block is fixedly connected to the clamping plate. The sliding block is fixed through the sliding groove, thereby fixing the clamping plate.

[0011] Preferably, a bidirectional screw is rotatably connected to the middle of the fixed base, and the bidirectional screw is threadedly connected to the sliding block. A rotating handle is fixedly connected to one end of the bidirectional screw, so that the bidirectional screw can be rotated to control the lateral movement of the sliding block.

[0012] Preferably, the surface of the clamping plate is rotatably connected to a support roller, and the middle part of the clamping plate is slidably connected to a sliding rod, with one end of the sliding rod being fixedly connected to a fixed plate. The sliding rod fixes and supports the fixed plate, thereby improving the stability of the clamping plate and the fixed plate.

[0013] Preferably, a fixing shell is slidably connected to the surface of the fixing frame, and the fixing shell is fixedly connected to the fixing base. A friction strip is fixedly connected to the bottom of the fixing frame. The fixing shell fixes the fixing frame and improves the stability of the sliding of the fixing frame.

[0014] Preferably, a fixing block is slidably connected to the middle of the fixing shell, and a fastening screw is rotatably connected to the surface of the fixing block. The fastening screw is threadedly connected to the fixing shell. By rotating the fastening screw, the fixing block is brought into close contact with the friction strip, thereby fixing the position of the fixing frame and thus fixing the position of the LED lamp head.

[0015] Preferably, the surface of the lifting rod is provided with equidistantly arranged fixing slots, the top of the fixing frame is slidably connected to a sliding rod that matches the fixing slots, the surface of the fixing frame is fixedly connected to a second telescopic spring, and the second telescopic spring is fixedly connected to the sliding rod. Through the second telescopic spring, the sliding rod is tightly inserted into the fixing slot, fixing the lifting rod and the fixing frame together, thereby fixing the height of the LED lamp head.

[0016] This invention provides an easily adjustable fixation lamp for ophthalmic examinations, which has the following beneficial effects:

[0017] 1. This easily adjustable ophthalmic examination fixation lamp connects the clamping plate and the fixing plate together via a first telescopic spring. By adjusting the clamping plate, the two fixing plates are brought closer together, and the fixing base is fixed to the headrest surface of the examination chair. This prevents the fixation lamp from becoming loose when adjusting it, thus improving the stability of the fixation lamp. The LED lamp head can be easily moved laterally by moving the fixing bracket, and the height of the LED lamp head can be adjusted by sliding the lifting rod up and down inside the fixing bracket. The adjustment mechanism makes it easy to adjust the position of the LED lamp head, improving the convenience of LED lamp head adjustment.

[0018] 2. This easily adjustable ophthalmic examination fixation lamp uses a sliding groove to fix a sliding block, which in turn fixes the clamping plate, improving the stability of the clamping plate's movement. By turning the handle, a bidirectional screw can be easily rotated, which drives the sliding block to move laterally. Support rollers support and fix the clamping plate, improving the stability of the clamping plate's movement. A sliding rod fixes and supports the fixing plate, improving the stability of the clamping plate and the fixing plate, and increasing the fixing force on the fixing base.

[0019] 3. This easily adjustable ophthalmic examination fixation lamp uses a fixed housing to secure the fixing frame, improving the stability of the fixing frame's sliding motion. By rotating the fastening screws, the fixing block and friction strip are brought into close contact, thereby fixing the position of the fixing frame and the LED lamp head. A second telescopic spring provides tension to the sliding lever, causing the sliding lever to engage with the fixing slot, thus fixing the lifting rod to the fixing frame and fixing the height of the LED lamp head. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the clamping mechanism of this utility model;

[0022] Figure 3 This is a schematic diagram of the fixed shell connection structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the lifting rod connection structure of this utility model.

[0024] [Explanation of Key Component Symbols]

[0025] 1. Fixed base;

[0026] 2. Clamping mechanism; 201. Clamping plate; 202. Sliding groove; 203. Sliding block; 204. Bidirectional screw; 205. Rotating handle; 206. Fixing plate; 207. Sliding rod; 208. First telescopic spring; 209. Support roller;

[0027] 3. Adjustment mechanism; 301. Fixing frame; 302. Fixing shell; 303. Friction strip; 304. Fastening screw; 305. Fixing block; 306. Lifting rod; 307. LED lamp head; 308. Fixing slot; 309. Sliding rod; 310. Second telescopic spring. Detailed Implementation

[0028] This utility model provides an easily adjustable fixation lamp for ophthalmic examinations.

[0029] Please see Figure 1 and Figure 2 The device includes a fixed base 1, and a clamping mechanism 2 is provided on the surface of the fixed base 1. The clamping mechanism 2 includes a clamping plate 201, a fixing plate 206, and a first telescopic spring 208. The two ends of the first telescopic spring 208 are fixedly connected to the clamping plate 201 and the fixing plate 206, respectively. There are two clamping plates 201. The clamping plates 201 and the sliding rod 207 are connected together by the first telescopic spring 208. By adjusting the clamping plates 201, the two fixing plates 206 are brought closer to each other, and the fixed base 1 is fixed to the surface of the headrest of the inspection chair. The surface of the fixing plate 206 is made of frosted material, which increases the friction between the fixing plate 206 and the headrest, thereby preventing the fixation lamp from becoming loose when adjusting it and improving the stability of the fixation lamp.

[0030] The surface of the fixed base 1 is provided with a sliding groove 202. A sliding block 203 is slidably connected inside the sliding groove 202, and the top of the sliding block 203 is fixedly connected to the clamping plate 201. The sliding block 203 is fixed through the sliding groove 202, thereby fixing the clamping plate 201 and improving the stability of the movement of the clamping plate 201.

[0031] A bidirectional screw 204 is rotatably connected to the middle of the fixed base 1, and the bidirectional screw 204 is threadedly connected to the sliding block 203. A rotating handle 205 is fixedly connected to one end of the bidirectional screw 204. By rotating the handle 205, the bidirectional screw 204 can be rotated easily. The rotation of the bidirectional screw 204 drives the sliding block 203 to move laterally.

[0032] The surface of the clamping plate 201 is rotatably connected to a support roller 209, and a sliding rod 207 is slidably connected to the middle of the clamping plate 201. One end of the sliding rod 207 is fixedly connected to the fixing plate 206. The support roller 209 supports and fixes the clamping plate 201, improving the stability of the movement of the clamping plate 201. The sliding rod 207 fixes and supports the fixing plate 206, improving the stability of the clamping plate 201 and the fixing plate 206, and increasing the fixing force on the fixing base 1.

[0033] Please see Figure 3 and Figure 4 An adjustment mechanism 3 is provided in the middle of the fixed base 1. The adjustment mechanism 3 includes a fixed frame 301 and an LED lamp head 307. A controller is provided on the outside of the device to control the brightness of the LED lamp head 307. A lifting rod 306 for fixing the LED lamp head 307 is slidably connected inside the fixed frame 301. By moving the fixed frame 301, the LED lamp head 307 can be moved laterally. The height of the LED lamp head 307 can be adjusted by sliding the lifting rod 306 up and down inside the fixed frame 301. The adjustment mechanism 3 makes it easy to adjust the position of the LED lamp head 307 and improves the convenience of adjusting the LED lamp head 307.

[0034] The surface of the fixed frame 301 is slidably connected to the fixed shell 302, and the fixed shell 302 is fixedly connected to the fixed base 1. The bottom of the fixed frame 301 is fixedly connected to the friction strip 303. The fixed frame 301 is fixed through the fixed shell 302, thereby improving the sliding stability of the fixed frame 301.

[0035] A fixing block 305 is slidably connected to the middle of the fixing shell 302. A fastening screw 304 is rotatably connected to the surface of the fixing block 305, and the fastening screw 304 is threadedly connected to the fixing shell 302. By rotating the fastening screw 304, the fixing block 305 is brought into close contact with the friction strip 303, thereby fixing the position of the fixing bracket 301 and the position of the LED lamp head 307.

[0036] The surface of the lifting rod 306 is provided with equidistantly arranged fixing slots 308. The top of the fixing frame 301 is slidably connected to a sliding rod 309 that matches the fixing slots 308. A second telescopic spring 310 is fixedly connected to the surface of the fixing frame 301, and the second telescopic spring 310 is fixedly connected to the sliding rod 309. The second telescopic spring 310 provides tension to the sliding rod 309, so that the sliding rod 309 is inserted into the fixing slots 308, fixing the lifting rod 306 and the fixing frame 301 together, thereby fixing the height of the LED lamp head 307.

[0037] In use, this invention works as follows: By rotating the handle 205, the bidirectional screw 204 is easily rotated, causing the two sliding blocks 203 to move closer together. This, in turn, causes the first telescopic spring 208 to clamp the fixing plate 206 onto the headrest surface of the inspection chair, preventing the fixation lamp from becoming loose when adjusting the LED lamp head 307 and improving the stability of the fixation lamp's positioning and installation. The position of the LED lamp head 307 is adjusted by pushing and pulling the fixing bracket 301, and the height of the LED lamp head 307 is adjusted by moving the sliding lever 309 up and down. After adjustment, the second telescopic spring... Spring 310 provides tension to sliding latch 309, causing sliding latch 309 to engage with fixed latch 308, fixing lifting rod 306 to fixed frame 301, thereby fixing the height of LED lamp head 307. By rotating fastening screw 304, fixing block 305 and friction strip 303 are tightly pressed together, fixing the position of fixed frame 301, thereby fixing the position of LED lamp head 307. Through the above device, the fixed lamp is prevented from loosening when adjusting LED lamp head 307, improving the stability and safety of fixed lamp use.

[0038] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An easily adjustable ophthalmic examination fixation lamp, comprising a fixed base (1), characterized in that: The surface of the fixed base (1) is provided with a clamping mechanism (2). The clamping mechanism (2) includes a clamping plate (201), a fixing plate (206) and a first telescopic spring (208). The two ends of the first telescopic spring (208) are fixedly connected to the clamping plate (201) and the fixing plate (206) respectively. The middle part of the fixed base (1) is provided with an adjustment mechanism (3). The adjustment mechanism (3) includes a fixing frame (301) and an LED lamp head (307). The inside of the fixing frame (301) is slidably connected to a lifting rod (306) that fixes the LED lamp head (307).

2. The easily adjustable ophthalmic examination fixation lamp according to claim 1, characterized in that: The surface of the fixed base (1) is provided with a sliding groove (202), and a sliding block (203) is slidably connected inside the sliding groove (202), and the top of the sliding block (203) is fixedly connected to the clamping plate (201).

3. The easily adjustable ophthalmic examination fixation lamp according to claim 2, characterized in that: The fixed base (1) is rotatably connected to a bidirectional screw (204) in the middle, and the bidirectional screw (204) is threadedly connected to a sliding block (203). One end of the bidirectional screw (204) is fixedly connected to a rotating handle (205).

4. The easily adjustable ophthalmic examination fixation lamp according to claim 1, characterized in that: The surface of the clamping plate (201) is rotatably connected to a support roller (209), and a sliding rod (207) is slidably connected to the middle of the clamping plate (201), with one end of the sliding rod (207) fixedly connected to the fixing plate (206).

5. The easily adjustable ophthalmic examination fixation lamp according to claim 1, characterized in that: The surface of the fixed frame (301) is slidably connected to a fixed shell (302), and the fixed shell (302) is fixedly connected to the fixed base (1). A friction strip (303) is fixedly connected to the bottom of the fixed frame (301).

6. The easily adjustable ophthalmic examination fixation lamp according to claim 5, characterized in that: A fixing block (305) is slidably connected to the middle of the fixing shell (302), and a fastening screw (304) is rotatably connected to the surface of the fixing block (305), and the fastening screw (304) is threadedly connected to the fixing shell (302).

7. The easily adjustable ophthalmic examination fixation lamp according to claim 1, characterized in that: The surface of the lifting rod (306) is provided with fixed slots (308) arranged at equal intervals. The top of the fixing frame (301) is slidably connected to a sliding rod (309) that is adapted to the fixed slots (308). The surface of the fixing frame (301) is fixedly connected to a second telescopic spring (310), and the second telescopic spring (310) is fixedly connected to the sliding rod (309).

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