CN113349730B - Fixing device of multi-functional ophthalmology inspection instrument - Google Patents
Fixing device of multi-functional ophthalmology inspection instrument Download PDFInfo
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- CN113349730B CN113349730B CN202110649082.2A CN202110649082A CN113349730B CN 113349730 B CN113349730 B CN 113349730B CN 202110649082 A CN202110649082 A CN 202110649082A CN 113349730 B CN113349730 B CN 113349730B
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- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0083—Apparatus for testing the eyes; Instruments for examining the eyes provided with means for patient positioning
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Abstract
The invention relates to a fixing device of a multifunctional ophthalmologic examination instrument, which comprises a fixed top plate, a fastening screw, an adjusting mechanism, a lifting mechanism and a fixing mechanism, wherein the fixed top plate is fixedly arranged on the wall surface of the top part through the fastening screw, the adjusting mechanism is arranged on the lower end surface of a bottom plate, and the lifting mechanism and the fixing device are connected with the adjusting mechanism. The invention can adjust the positions of people with different heights, different body types and disabilities through the adjusting mechanism and the lifting mechanism, thereby being capable of carrying out eye examination on various crowds; carry on spacingly through fixed establishment to patient's head position to the inspection is fixed a position to the eye position to the convenience prevents also that in inspection process, health or head move the inspection that influences the eyes.
Description
Technical Field
The invention relates to the field of examination instruments, in particular to a fixing device of a multifunctional ophthalmologic examination instrument.
Background
Ophthalmology inspection instrument divide into a lot of, there is the slit lamp microscope mainly, the tonometer, direct ophthalmoscope, leading mirror, the mirror of falling like, cornea topography measuring apparatu, the cornea thickness measuring apparatu, the eye axis measuring apparatu, optical coherence tomography scanner, exempt from mydriasis panretinal inspection appearance, vision electrophysiology inspection appearance, the visual field inspection appearance, with machine and prism check out test set, have some instruments to stabilize fixedly to it before using to conveniently carry out the eye inspection to the patient.
The prior various instruments need to be fixedly installed on an inspection instrument before use, but the following problems exist in the process of fixed installation:
(1) Because people with ophthalmic diseases are in different shapes and colors, and have people with different heights and different body types and disabled people, when the people are subjected to ophthalmic examination, the ophthalmic examination cannot be performed on part of patients due to different heights or different positions of detection instruments, or the accuracy of examination results is not high due to the fact that the detection instruments cannot be accurately positioned;
(2) Because children's patient is too fear or transfer the skin, when carrying out the ophthalmology inspection to children's patient, children's patient's head can produce and remove, consequently can make the doctor continue the location inspection to patient's eyes to influence the inspection result.
In order to solve the above problems, the present invention provides a fixing device of a multifunctional ophthalmic examination apparatus.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides a fixing device of multi-functional ophthalmology inspection instrument, includes set top board, fastening screw, adjustment mechanism, elevating system and fixed establishment, set top board pass through fastening screw fixed mounting on the wall at top, adjustment mechanism is installed to the terminal surface under the bottom plate, elevating system and adjustment mechanism all are connected with adjustment mechanism, wherein:
the fixed top plate comprises connecting lug seats, connecting plates and mounting blocks, the fixed top plate is of a rectangular structure, the positions, close to the upper end face, of the front end face, the left end face, the right end face and the rear end face of the fixed top plate are respectively provided with the connecting lug seats, the upper end faces of the connecting lug seats are respectively provided with a fixing hole, a fastening screw is arranged in each fixing hole, the position, close to the left end face, of the lower end face of the fixed top plate is fixedly provided with the connecting plates, the position, close to the right end face, of the lower end face of the fixed top plate is fixedly provided with the mounting blocks, the middle parts of the left end faces of the mounting blocks are provided with mounting grooves, the positions, corresponding to the mounting grooves, of the right end faces of the connecting plates are provided with rotating holes, and the lower end of the fixed top plate is provided with rectangular grooves;
the adjusting mechanism comprises a threaded rod, a positive and negative rotating motor, a fixing ring, a first linkage block and a second linkage block, the positive and negative rotating motor is installed in the installation groove, the output shaft of the positive and negative rotating motor is connected with the right end of the threaded rod, the fixing ring is fixedly sleeved on the outer wall of the position where the output shaft of the positive and negative rotating motor is connected with the threaded rod, the first linkage block and the second linkage block are both in a convex structure, threaded holes are formed in the positions, corresponding to the threaded rod, of the first linkage block and the second linkage block, the first linkage block and the second linkage block are both connected with the threaded rod through threaded matching, the upper end faces of the first linkage block and the second linkage block are both connected with the rectangular groove through sliding matching, and the first linkage block and the second linkage block are arranged in bilateral symmetry; the specific during operation, according to patient's size or the disabled person's the condition, through positive and negative motor start, the output shaft of positive and negative motor rotates and drives the threaded rod and rotate, and the threaded rod rotates and drives a interlock piece and No. two interlock pieces simultaneously through a interlock piece and No. two interlock pieces and threaded rod screw-thread fit and removes and carry out position control to can carry out the eye inspection to the people of different situations.
The lifting mechanism comprises a cylinder, a transmission screw, an adjusting knob, transmission threaded rings, a connecting rod, a first sliding ring, a limiting block, a connecting unit, a mounting frame and a linkage plate, matching grooves are symmetrically formed in the front and back of the lower end face of the first linkage block, the transmission screw is installed in each matching groove, the cylinder is installed at the position, corresponding to the matching grooves, of the lower end face of the first linkage block, the transmission screw is arranged in the cylinder, the outer wall of the transmission screw is connected with the inner wall of each transmission threaded ring through thread matching, the transmission threaded rings are connected through the connecting rod, the sliding grooves are formed in the outer wall of the cylinder and the position, corresponding to the connecting rod, of the outer wall of the cylinder, the adjusting knob is fixedly installed on the lower end face of the transmission screw, the adjusting knob is rotatably connected with the lower end of the cylinder, sliding grooves are formed in the outer wall of the cylinder, the limiting blocks are installed at the positions, corresponding to the inner wall of the sliding grooves, the limiting blocks are installed in the sliding matching mode, the connecting units are installed on the outer wall of the sliding rings, the positions, which are close to the centers between the two sliding rings, the left end faces of the mounting frame and the right end face of the mounting frame, the connecting rod are connected with the connecting rod; when the eye examination device works specifically, according to the difference of the height of a patient, through rotating adjusting knob, adjusting knob rotates and drives drive screw to rotate, it reciprocates and adjusts to drive the transmission screw ring through transmission screw ring and drive screw threaded connection, the transmission screw ring reciprocates and reciprocates in the spout through the stopper on the connecting rod drive a slip ring, the connecting rod reciprocates and drives linkage unit and mounting bracket through the interlock board and reciprocates simultaneously, because the limiting plate is connected with the connecting rod through the drive rod, the connecting rod reciprocates and drives the slider on No. two slip rings and reciprocate in the slip groove and carry out position adjustment, thereby can carry out the eye examination to the patient of different heights.
The fixing mechanism comprises a connecting round rod, a sliding block, a second sliding ring, a limiting plate, a driving rod and a backing plate, the connecting round rod is arranged at the position, corresponding to the cylinder, of the lower end face of the second linkage block, sliding grooves are formed in the outer walls of the left end and the right end of the connecting round rod, the inner wall of the second sliding ring is connected with the outer wall of the connecting round rod in a sliding fit mode, the sliding block is arranged at the position, corresponding to the sliding grooves, of the inner wall of the second sliding ring, the sliding block is arranged in the sliding grooves in a sliding fit mode, the lower end face of the second sliding ring is connected with the limiting plate through the limiting plate, the backing plate is arranged in the middle of the upper end face of the limiting plate, the driving rod is symmetrically arranged in the front and back direction of the right end face of the limiting plate, and the tail end of the driving rod is connected with the connecting rod; during specific work, after the position is adjusted according to the height and the body type of the patient, the patient places the face between the limiting plates, and then places the chin above the base plate, so that the doctor can inspect the eyes of the patient through the inspection instrument.
Preferably, the cooperation groove is the structure that upper portion diameter size and lower part diameter size all are less than middle part diameter size, and cooperation groove middle part is provided with the spacing ring through the normal running fit mode, and the fixed cover of spacing ring is established and is close to the upper end position at the drive screw outer wall. When the special-purpose electric wrench works, the limiting ring is driven to rotate in the matching groove by rotating the rotating screw rod, so that the limiting effect on the rotating screw rod is achieved.
Preferably, the connecting unit comprises a fixing screw, an upper fixing connecting rod and a lower fixing connecting rod, a round hole is formed in the position, close to the center between the two first sliding rings, of the upper end face of each sliding ring, through holes are formed in the positions, corresponding to the round holes, of the upper fixing connecting rod and the lower fixing connecting rod, and the fixing screw sleeves are connected with the round holes and the through holes to enable the upper fixing connecting rod and the lower fixing connecting rod to be installed on the upper end face and the lower end face of each sliding ring respectively.
Preferably, the mounting bracket comprises a connecting rod, an upper semi-ring, a lower semi-ring and locking screws, the connecting rod is of a crossed X-shaped structure, the left end face and the right end face of the connecting rod are symmetrically provided with the lower semi-ring front and back, the upper end face of the lower semi-ring is close to the connecting rod and is provided with the upper semi-ring through a hinge connection mode, the outer wall of the upper semi-ring and the outer wall of the lower semi-ring are both of a rectangular structure protruding outwards and close to the upper fixing connecting rod and the lower fixing connecting rod, the upper end face of the rectangular structure protruding outwards is provided with the locking hole, the upper end face of the upper fixing connecting rod and the upper end face of the lower fixing connecting rod are both provided with the connecting hole corresponding to the locking hole, and the outer wall of the locking screws is connected with the upper fixing connecting rod and the lower fixing connecting rod and the upper semi-ring and the lower semi-ring through the connecting hole and the locking hole. When the inspection instrument works, the upper half ring is connected with the lower half ring after the inspection instrument is placed in the lower half ring, and the upper fixing connecting rod and the lower fixing connecting rod are connected with the upper half ring and the lower half ring through the connection between the locking screw and the connecting hole and the locking hole, so that the inspection instrument is fixedly clamped between the upper half ring and the lower half ring.
Preferably, the limiting plate is of a semi-circular structure, and the position of the face of the person is limited through the semi-circular structure, so that the eye position can be more conveniently located and checked.
Preferably, the circular arc groove has been seted up in backing plate up end middle part, and the backing plate is non-deformable's soft materials, can place the chin and play the fixed action in the circular arc inslot, prevents in the inspection process, and health or head remove the influence to the inspection of eyes, prevents through the backing plate that soft materials from colliding with the backing plate on and causing the injury.
The invention has the beneficial effects that:
1. the invention can adjust the positions of people with different heights, different body types and disabilities through the adjusting mechanism and the lifting mechanism, thereby carrying out eye examination on various crowds, and limiting the position of the head of a patient through the fixing mechanism, thereby facilitating the positioning examination of the eye position and preventing the eye examination from being influenced by the movement of the body or the head in the examination process.
2. According to the invention, the output shaft of the forward and reverse rotating motor rotates to drive the threaded rod to rotate, and the threaded rod rotates to drive the first linkage block and the second linkage block to move left and right for position adjustment through the threaded fit of the first linkage block and the second linkage block with the threaded rod, so that eye examination can be performed on people in different conditions; through rotating adjust knob, adjust knob rotates and drives drive screw and rotate, drives the transmission screw through transmission screw ring and drive screw threaded connection and reciprocates and adjust to the mechanism that drives to connect all reciprocates and carries out position adjustment, thereby can carry out the eye inspection to the patient of different heights.
3. The fixing mechanism designed by the invention can place the chin in the arc groove to play a role of fixing, so that the phenomenon that the body or the head moves to influence the examination of eyes in the examination process is prevented, and the chin is prevented from colliding with the cushion plate to cause injury by using the soft material as the cushion plate; the position of the face of the person is limited through the semicircular arc structure, so that the position of eyes can be more conveniently positioned and checked.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is a front view of the present invention;
FIG. 4 is a bottom view of the present invention;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3 in accordance with the present invention;
FIG. 6 is a cross-sectional view taken along line C-C of FIG. 3 of the present invention;
FIG. 7 is a cross-sectional view taken along line D-D of FIG. 3 in accordance with the present invention;
FIG. 8 is an enlarged view of a portion of the invention at E in FIG. 3;
FIG. 9 is an enlarged fragmentary view at F of FIG. 5 of the present invention;
FIG. 10 is an enlarged fragmentary view of the invention at G of FIG. 6;
fig. 11 is a partial enlarged view of the invention at H in fig. 6.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 11, a fixing device of a multifunctional ophthalmological examination apparatus comprises a fixed top plate 1, fastening screws 2, an adjusting mechanism 3, a lifting mechanism 4 and a fixing mechanism 5, wherein the fixed top plate 1 is fixedly mounted on the wall surface of the top through the fastening screws 2, the adjusting mechanism 3 is mounted on the lower end surface of a bottom plate, the lifting mechanism 4 and the adjusting mechanism 3 are both connected with the adjusting mechanism 3, wherein:
the fixed top plate 1 comprises connecting lug seats 11, connecting plates 12 and mounting blocks 13, the fixed top plate 1 is of a rectangular structure, the connecting lug seats 11 are respectively arranged at positions, close to the upper end face, of the front end face, the left end face, the right end face and the rear end face of the fixed top plate 1, fixing holes are formed in the upper end face of each connecting lug seat 11, fastening screws 2 are respectively arranged in the fixing holes, the connecting plates 12 are fixedly arranged at positions, close to the left end face, of the lower end face of the fixed top plate 1, the mounting blocks 13 are fixedly arranged at positions, close to the right end face, of the lower end face of the fixed top plate 1, mounting grooves are formed in the middles of the left end faces of the mounting blocks 13, rotating holes are formed in positions, corresponding to the mounting grooves, of the right end face of the connecting plates 12, and the lower ends of the fixed top plate 1, and rectangular grooves 1a are formed in the lower ends of the fixed top plate 1;
the adjusting mechanism 3 comprises a threaded rod 31, a forward and reverse rotating motor 32, a fixing ring 33, a first linkage block 34 and a second linkage block 35, the forward and reverse rotating motor 32 is installed in the installation groove, an output shaft of the forward and reverse rotating motor 32 is connected with the right end of the threaded rod 31, the fixing ring 33 is fixedly sleeved on the outer wall of the position where the output shaft of the forward and reverse rotating motor 32 is connected with the threaded rod 31, the first linkage block 34 and the second linkage block 35 are both in a convex structure, threaded holes are formed in the positions, corresponding to the threaded rod 31, of the first linkage block 34 and the second linkage block 35, the first linkage block 34 and the second linkage block 35 are both connected with the threaded rod 31 through threaded matching, the upper end faces of the first linkage block 34 and the second linkage block 35 are both connected with the inner portion of the rectangular groove 1a through a sliding matching mode, and the first linkage block 34 and the second linkage block 35 are arranged in a left-right symmetrical mode; during specific work, according to the body type of a patient or the condition of the disabled, the motor 32 is started through positive and negative rotation, the output shaft of the motor 32 is rotated to drive the threaded rod 31 to rotate, the threaded rod 31 rotates to drive the first interlocking block 34 and the second interlocking block 35 to move leftwards and rightwards through the threaded matching of the first interlocking block 34 and the second interlocking block 35, and the position of the first interlocking block 34 and the second interlocking block 35 is adjusted, so that eye examination can be performed on people under different conditions.
Elevating system 4 includes drum 41, drive screw 42, adjust knob 43, transmission screw ring, connecting rod 45, a slip ring 46, stopper 47, linkage unit 48, mounting bracket 49 and trace 410, and the cooperation groove has been seted up to terminal surface front and back symmetry under a trace 34, the cooperation groove is the structure that upper portion diameter size and lower part diameter size all are less than middle part diameter size, and cooperation groove middle part is provided with spacing ring 421 through the normal running fit mode, and the fixed cover of spacing ring 421 is established and is close to the upper end position at drive screw 42 outer wall. During specific work, the limit ring 421 is driven to rotate in the matching groove by rotating the screw rod, so that the effect of limiting the rotating screw rod is achieved. The matching grooves are internally provided with transmission screw rods 42, the lower end surfaces of the first interlocking blocks 34 are respectively provided with a cylinder 41 at the position corresponding to the matching grooves, the transmission screw rods 42 are arranged in the cylinders 41, the outer walls of the transmission screw rods 42 are connected with the inner walls of the transmission threaded rings through thread matching, the transmission threaded rings are connected with each other through connecting rods 45, the outer walls of the cylinders 41 are provided with sliding grooves 4a at the position corresponding to the connecting rods, the lower end surfaces of the transmission screw rods 42 are respectively and fixedly provided with adjusting knobs 43, the adjusting knobs 43 are rotatably connected with the lower ends of the cylinders 41, the outer walls of the left end and the right end of each cylinder 41 are respectively provided with a sliding ring 46 through sliding matching, the inner walls of the first sliding rings 46 are respectively provided with limiting blocks 47 at the position corresponding to the sliding grooves, the limiting blocks 47 are respectively arranged in the sliding grooves through sliding matching, the connecting units 48 are respectively arranged at the positions, which are close to the outer walls of the first sliding rings 46, the left end and the right end of the mounting rack 49 are respectively connected with the connecting units 48, the lower end surfaces of the first sliding rings 46 are respectively connected with interlocking plates 410, and the upper end surfaces of the interlocking plates 410; during the concrete work, according to the difference of patient's height, through rotating adjust knob 43, adjust knob 43 rotates and drives drive screw 42 and rotate, it reciprocates and adjusts to drive the transmission screw ring through transmission screw ring and drive screw 42 threaded connection, the transmission screw ring reciprocates and reciprocates through stopper 47 on connecting rod 45 drive a slip ring 46 and reciprocates in the spout, connecting rod 45 reciprocates and drives linkage unit 48 and mounting bracket 49 and reciprocate simultaneously through interlock board 410, because limiting plate 54 is connected with connecting rod 45 through drive rod 55, connecting rod 45 reciprocates and drives slider 52 on No. two slip rings 53 and reciprocate in glide slot 5a and carry out position adjustment, thereby can carry out eye inspection to the patient of different heights.
The connecting unit 48 comprises a fixing screw 481, an upper fixing connecting rod 482 and a lower fixing connecting rod 483, round holes are formed in the positions, close to the centers between the two first sliding rings 46, of the upper end surfaces of the first sliding rings 46, through holes are formed in the positions, corresponding to the round holes, of the upper fixing connecting rod 482 and the lower fixing connecting rod 483, and the fixing screw 481 is connected with the round holes and the through holes to install the upper fixing connecting rod 482 and the lower fixing connecting rod 483 on the upper end surfaces and the lower end surfaces of the first sliding rings 46 respectively.
The mounting frame 49 comprises a connecting rod 491, an upper half ring 492, a lower half ring 493 and locking screws 494, the connecting rod 491 is of a crossed X-shaped structure, the lower half rings 493 are symmetrically mounted on the front and back of the left end face and the right end face of the connecting rod 491 respectively, the upper half rings 492 are mounted on the upper end faces of the lower half rings 493 close to the connecting rod 491 in a hinged mode, the outer walls of the upper half rings 492 and the lower half rings 493 close to the upper fixing connecting rod 482 and the lower fixing connecting rod 483 are of outwards convex rectangular structures, the locking holes are formed in the upper end faces of the outwards convex rectangular structures, the upper end faces of the upper fixing connecting rod 482 and the lower fixing connecting rod 483 correspond to the locking holes, and the outer walls of the locking screws 494 are connected with the connecting holes and the locking holes so as to connect the upper fixing connecting rod 482 and the lower fixing connecting rod 483 with the upper half rings 492 and the lower half rings 493. In operation, the upper half ring 492 is connected to the lower half ring 493 after the inspection instrument is placed inside the lower half ring 493, and the locking screws 494 are connected to the connection holes and the locking holes to connect the upper fixing link 482 and the lower fixing link 483 to the upper half ring 492 and the lower half ring 493, thereby fixing and clamping the inspection instrument between the upper half ring 492 and the lower half ring 493.
The fixing mechanism 5 comprises a connecting round rod 51, a sliding block 52, a second sliding ring 53, a limiting plate 54, a driving rod 55 and a backing plate 56, the connecting round rod 51 is installed at the position, corresponding to the cylinder 41, of the lower end face of the second linkage block 35, sliding grooves 5a are formed in the outer walls of the left end and the right end of the connecting round rod 51, the inner wall of the second sliding ring 53 is connected with the outer wall of the connecting round rod 51 in a sliding fit mode, the sliding block 52 is installed at the position, corresponding to the sliding grooves 5a, of the inner wall of the second sliding ring 53, the sliding block 52 is installed in the sliding grooves 5a in a sliding fit mode, the lower end face of the second sliding ring 53 is connected through the limiting plate 54, the backing plate 56 is installed in the middle of the upper end face of the limiting plate 54, the driving rod 55 is symmetrically installed in the front and back direction on the right end face of the limiting plate 54, and the tail end of the driving rod 55 is connected with the connecting rod 45; limiting plate 54 is the semicircle structure, circular arc groove has been seted up in backing plate 56 up end middle part, and backing plate 56 is non-deformable's soft materials, can put the below in the circular arc inslot and play the fixed action, prevents in the inspection process, and health or head remove the influence to the inspection of eyes, prevents through backing plate 56 that soft materials from colliding with the backing plate 56 on and causing the injury for the chin. The position of the face of the person is limited through the semicircular arc structure, so that the position of eyes can be more conveniently positioned and checked. During specific work, after the position is adjusted according to the height and the body type of the patient, the patient places the face between the limiting plates 54, and then places the chin above the base plate 56, so that the doctor can check the eyes of the patient through the checking instrument.
The invention comprises the following steps:
the first step is as follows: after the examination instrument is placed in the lower half ring 493 by a worker, the upper half ring 492 is connected with the lower half ring 493, the locking screws 494 are connected with the connecting holes and the locking holes, the upper fixing connecting rod 482 and the lower fixing connecting rod 483 are connected with the upper half ring 492 and the lower half ring 493, and the examination instrument is fixed and clamped between the upper half ring 492 and the lower half ring 493;
the second step: the eye examination device is started by the forward and reverse rotating motor 32, the output shaft of the forward and reverse rotating motor 32 rotates to drive the threaded rod 31 to rotate, the threaded rod 31 rotates to drive the first linkage block 34 and the second linkage block 35 to move leftwards and rightwards simultaneously through the threaded matching of the first linkage block 34 and the second linkage block 35 and the threaded rod 31 for carrying out position adjustment, and therefore eye examination can be carried out on people under different conditions.
The third step: the adjusting knob 43 is rotated to drive the transmission screw rod 42 to rotate, the transmission screw ring is in threaded connection with the transmission screw rod 42 through the transmission screw ring to drive the transmission screw ring to move up and down for adjustment, the transmission screw ring moves up and down to drive the limiting block 47 on the first sliding ring 46 to move up and down in the sliding groove through the connecting rod 45, the connecting rod 45 moves up and down to drive the connecting unit 48 and the mounting rack 49 to move up and down simultaneously through the linkage plate 410, and the limiting plate 54 is connected with the connecting rod 45 through the driving rod 55, and the connecting rod 45 moves up and down to drive the sliding block 52 on the second sliding ring 53 to move up and down in the sliding groove 5a for position adjustment, so that eye examination can be carried out on patients with different heights;
the fourth step: after adjusting the position according to the height and body size of the patient, the patient places the face between the position limiting plates 54 and then places the chin above the pad plates 56, so that the doctor can check the eyes of the patient through the checking instrument.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as hereinafter claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a fixing device of multi-functional ophthalmology inspection instrument, includes fixed roof (1), fastening screw (2), adjustment mechanism (3), elevating system (4) and fixed establishment (5), its characterized in that: fixed roof (1) pass through fastening screw (2) fixed mounting on the wall at top, adjustment mechanism (3) are installed to the terminal surface under the bottom plate, elevating system (4) and adjustment mechanism (3) all are connected with adjustment mechanism (3), wherein:
the fixed top plate (1) comprises connecting lug seats (11), connecting plates (12) and mounting blocks (13), the fixed top plate (1) is of a rectangular structure, the positions, close to the upper end face, of the front end face, the left end face, the right end face and the rear end face of the fixed top plate (1) are respectively provided with the connecting lug seats (11), the upper end face of each connecting lug seat (11) is provided with a fixing hole, a fastening screw (2) is arranged in each fixing hole, the position, close to the left end face, of the lower end face of the fixed top plate (1) is fixedly provided with the connecting plates (12), the position, close to the right end face, of the lower end face of the fixed top plate (1) is fixedly provided with the mounting blocks (13), the middle of the left end face of each mounting block (13) is provided with a mounting groove, the positions, corresponding to the right end face of each connecting plate (12) and the mounting grooves are provided with rotating holes, and the lower ends of the fixed top plate (1) are provided with rectangular grooves (1 a);
the adjusting mechanism (3) comprises a threaded rod (31), a forward and reverse rotating motor (32), a fixing ring (33), a first linkage block (34) and a second linkage block (35), the forward and reverse rotating motor (32) is installed in the installation groove, an output shaft of the forward and reverse rotating motor (32) is connected with the right end of the threaded rod (31), the fixing ring (33) is fixedly sleeved on the outer wall of the connecting position of the output shaft of the forward and reverse rotating motor (32) and the threaded rod (31), the first linkage block (34) and the second linkage block (35) are of a convex structure, threaded holes are formed in the positions, corresponding to the threaded rod (31), of the first linkage block (34) and the second linkage block (35), the first linkage block (34) and the second linkage block (35) are connected with the threaded rod (31) through threaded matching, the upper end faces of the first linkage block (34) and the second linkage block (35) are connected with the inner portions of the rectangular groove (1 a) through a sliding matching mode, and the first linkage block (34) and the second linkage block (35) are arranged in a left-right symmetry mode;
elevating system (4) are including drum (41), drive screw (42), adjust knob (43), the transmission screw ring, connecting rod (45), no. 46 slip ring (46), stopper (47), linkage unit (48), mounting bracket (49) and interlock board (410), cooperation groove has all been seted up to the preceding back symmetry of terminal surface under interlock piece (34), drive screw (42) all install in the cooperation groove, drum (41) are all installed to terminal surface and the corresponding position in cooperation groove under interlock piece (34), drive screw (42) set up in drum (41), drive screw (42) outer wall passes through screw-thread fit and is connected with the transmission screw ring inner wall, be connected through connecting rod (45) between the transmission screw ring, drum (41) outer wall and the corresponding position of connecting rod have seted up slip groove (4 a), equal fixed mounting of terminal surface has adjust knob (43) under drive screw (42), adjust knob (43) and drum (41) lower extreme swivelling joint, the spout has all been seted up to both ends outer wall about drum (41), drum (41) outer wall all installs No. 46 through the sliding fit mode, no. 46 and all install the corresponding position of stopper (47) and all install the corresponding No. 46 between the slip ring (47), no. 46), equal mounting of slide ring (47) and all install No. 46) and the corresponding position of stopper (46), slide ring (47), no. 46), the corresponding position is close to the equal connecting groove (47) and all install No. 46), slide ring (46), slide ring inner wall and all install the corresponding position of stopper (46), slide ring (47), slide ring inner wall (48) The left end and the right end of the mounting rack (49) are connected with the connecting unit (48), the lower end face of the first sliding ring (46) is connected with the linkage plate (410), and the lower end face of the linkage plate (410) is connected with the upper end face of the connecting rod (45);
the fixing mechanism (5) comprises a connecting round rod (51), a sliding block (52), a second sliding ring (53), a limiting plate (54), a driving rod (55) and a backing plate (56), the connecting round rod (51) is installed at the position, corresponding to the cylinder (41), of the lower end face of the second linkage block (35), sliding grooves (5 a) are formed in the outer walls of the left end and the right end of the connecting round rod (51), the inner wall of the second sliding ring (53) is connected with the outer wall of the connecting round rod (51) in a sliding fit mode, the sliding block (52) is installed at the position, corresponding to the sliding grooves (5 a), of the inner wall of the second sliding ring (53), the sliding block (52) is installed in the sliding grooves (5 a) in a sliding fit mode, the lower end face of the second sliding ring (53) is connected with the limiting plate (54), the backing plate (56) is installed in the middle of the upper end face of the limiting plate (54), the driving rod (55) is installed on the right end face of the limiting plate (54) in a front-back symmetry mode, and the tail end of the driving rod (55) is connected with the connecting rod (45).
2. The multifunctional ophthalmic-examination-instrument fixing device according to claim 1, wherein: the cooperation groove is the structure that upper portion diameter size and lower part diameter size all are less than middle part diameter size, and cooperation groove middle part is provided with spacing ring (421) through the normal running fit mode, and spacing ring (421) fixed cover is established and is close to the upper end position at drive screw (42) outer wall.
3. The multifunctional ophthalmic-examination-instrument fixing device according to claim 1, wherein: the connecting unit (48) comprises a fixing screw (481), an upper fixing connecting rod (482) and a lower fixing connecting rod (483), round holes are formed in the upper end face of the first sliding ring (46) close to the center between the two first sliding rings (46), through holes are formed in the positions, corresponding to the round holes, of the upper fixing connecting rod (482) and the lower fixing connecting rod (483), and the fixing screw (481) is sleeved with the round holes and the through holes to connect the upper fixing connecting rod (482) and the lower fixing connecting rod (483) to the upper end face and the lower end face of the first sliding ring (46) respectively.
4. The multifunctional ophthalmic-inspection-instrument fixing device according to claim 3, characterized in that: mounting bracket (49) include connecting rod (491), upper half ring (492), lower semi-ring (493) and locking screw (494), connecting rod (491) are criss-cross X shape structure, semi-ring (493) down are all installed to the left end face and the right-hand member face of connecting rod (491) symmetry around all, semi-ring (492) are all installed through the hinged joint mode to lower semi-ring (493) upper end face near connecting rod (491) position, upper half ring (492) and lower semi-ring (493) outer wall are close to upper fixed connecting rod (482) and lower fixed connecting rod (483) position and are outside convex rectangle structure, the locking hole has all been seted up to convex rectangle structure upper end face, upper fixed connecting rod (482) and lower fixed connecting rod (483) upper end face and the corresponding position in locking hole have all seted up the connecting hole, locking screw (494) outer wall is connected with upper fixed connecting rod (482) and lower fixed connecting rod (483) and upper half ring (492) and lower semi-ring (493) between being connected in connecting hole and the locking hole.
5. The multifunctional ophthalmic-examination-instrument fixing device according to claim 1, wherein: the limiting plate (54) is of a semi-circular arc structure.
6. The multifunctional ophthalmic-examination-instrument fixing device according to claim 1, wherein: the middle part of the upper end face of the backing plate (56) is provided with an arc groove, and the backing plate (56) is made of a soft material which is not easy to deform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110649082.2A CN113349730B (en) | 2021-06-10 | 2021-06-10 | Fixing device of multi-functional ophthalmology inspection instrument |
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| CN202110649082.2A CN113349730B (en) | 2021-06-10 | 2021-06-10 | Fixing device of multi-functional ophthalmology inspection instrument |
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| CN113349730B true CN113349730B (en) | 2023-03-28 |
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| JP2010259599A (en) * | 2009-05-01 | 2010-11-18 | Nidek Co Ltd | Ophthalmologic apparatus |
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| CN108158554A (en) * | 2017-12-21 | 2018-06-15 | 曾传金 | A kind of adjustable inspection ancillary equipment of ophthalmic |
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