CN110693460A - Skin observation mirror capable of adjusting shading degree and adjusting method thereof - Google Patents
Skin observation mirror capable of adjusting shading degree and adjusting method thereof Download PDFInfo
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- CN110693460A CN110693460A CN201911056165.XA CN201911056165A CN110693460A CN 110693460 A CN110693460 A CN 110693460A CN 201911056165 A CN201911056165 A CN 201911056165A CN 110693460 A CN110693460 A CN 110693460A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
- A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
- A61B5/443—Evaluating skin constituents, e.g. elastin, melanin, water
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0062—Arrangements for scanning
- A61B5/0064—Body surface scanning
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0077—Devices for viewing the surface of the body, e.g. camera, magnifying lens
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Abstract
The invention provides a skin observation mirror capable of adjusting shading degree, which comprises a sliding frame, an observation mirror lens barrel and a handle, wherein the handle is internally provided with a cavity, the sliding frame is arranged in the cavity, the skin observation mirror also comprises an adjustable speed adjusting part, the adjusting part can drive the sliding frame to move so as to slide out or retract into the handle, one end of the sliding frame is fixedly connected with the observation mirror lens barrel, the sliding frame is connected with a lifting plate which moves up and down in a sliding manner, the skin observation mirror also comprises a connecting rod, two ends of the connecting rod are respectively hinged with the inner wall of the handle and the lifting plate, a shading plate provided with a through hole is arranged in the observation mirror lens barrel, a first through groove is arranged on one side of the sliding frame, which is close to the observation mirror lens barrel, a second through groove corresponding to the first through groove is arranged on one side of the observation mirror lens barrel. The observation mirror can better control the light transmission amount and adjust the required shading requirement more easily.
Description
Technical Field
The invention relates to the technical field of skin mirror devices, in particular to a skin observation mirror capable of adjusting shading degree and an adjusting method thereof.
Background
Dermoscopes are also known as skin surface transmission microscopes, and their english names and synonyms include dermotoscope, dermospope, epiluminisce Microscope (ELM), inclusion light Microscope, skismuce Microscope. The function of the skin mirror is the same as that of a fundoscope for ophthalmology and an otoscope for otorhinolaryngology, and the skin mirror is a sharp instrument for observing skin complexion diseases.
At present, some shading adjusting devices cannot intuitively display the shading degree adjusted at present, the speed is slow when the shading is adjusted, for example, a shading plate with holes is adopted as the shading device, the height of the shading plate is uniformly changed when the shading is adjusted in a traditional mode, and a person skilled in the art knows that the change rate of the light transmission quantity is always reduced in the process that the holes in the shading plate are far away from human eyes from each other, namely when the holes are close to the human eyes, the position change of the shading plate from the human eyes can cause larger light transmission quantity change, and when the holes are far away from the human eyes, the light transmission degree change generated by the position change of the shading plate from the human eyes is smaller. As can be seen from the above, the conventional uniformly adjusting the height of the light shielding plate does not adjust the variation of the amount of light passing well.
Therefore, how to make a skin observation mirror capable of adjusting the shading degree and simultaneously well adjusting the light transmission amount change becomes a technical problem which needs to be solved by the technical personnel in the field.
Disclosure of Invention
The invention provides a skin observation mirror capable of adjusting shading degree.
The technical scheme of the invention is realized as follows:
a skin observation mirror capable of adjusting shading degree comprises a sliding frame, an observation mirror lens barrel and a handle, wherein a cavity is formed in the handle, the sliding frame penetrates through the left side face of the handle and is arranged in the cavity, the skin observation mirror lens barrel further comprises an adjustable speed adjusting part connected with the sliding frame, the adjusting part can drive the sliding frame to move left and right at a constant speed to slide out or retract into the handle, one end of the sliding frame, which is close to the left side face, is fixedly connected with the observation mirror lens barrel which is vertically arranged, a lifting plate which can move up and down in the sliding frame is connected in the sliding frame in a sliding mode, the skin observation mirror lens further comprises a connecting rod, two ends of the connecting rod are respectively hinged with the inner wall of the handle and the lifting plate, a shading plate provided with a through hole is arranged in the observation mirror lens barrel, one side, which is close to the observation, one side of the observation lens barrel, which is close to the sliding frame, is provided with a second through groove corresponding to the first through groove, the lifting plate is fixedly connected with one end of a connecting plate which penetrates through the first through groove and the second through groove, and the lifting plate drives the light screen to move up and down through the connecting plate.
Preferably, the adjusting portion comprises a threaded sleeve, a threaded rod and a knob, a second cavity communicated with the cavity is formed in the handle, the threaded sleeve is matched with the second cavity in shape and is in limited sliding connection with the inside of the second cavity, one side of the threaded sleeve is connected with the sliding frame, one end of the threaded rod penetrates through the other side of the threaded sleeve and is in threaded connection with the inside of the threaded sleeve, the other end of the threaded rod extends to the right side face of the handle, and the knob is fixedly connected with the other end of the threaded rod.
Preferably, the threaded rod is in limited rotary connection with the handle through a bearing.
Preferably, the range of the left-right movement value of the threaded sleeve is smaller than the width of the sliding frame.
Preferably, the device further comprises a lifting cylinder, the lifting cylinder is connected into the observation mirror lens barrel in a vertical sliding mode, the shading plate is fixed between the inner walls of the lifting cylinder, and the other end of the connecting plate is fixedly connected with the lifting cylinder.
Preferably, the cavity and the first cavity are non-circular.
Preferably, the cavity and the first cavity are rectangular in shape.
Preferably, the upper surface of the sliding frame is provided with a scale numerical value capable of displaying the degree of the sliding frame sliding out of the handle.
The skin observation mirror capable of adjusting the shading degree has the following technical effects:
1. when the skin observation mirror is used, the adjustable adjusting part adjusts the sliding frame to move left and right, the connecting rod can drive the lifting plate to move up and down, and the connecting plate drives the light screen to move up and down, when the light screen is in the upper range of the movement range, the light screen moves up and down, and the light transmission amount of the light screen changes greatly; when the light shielding plate is in the lower range of the movement range, the light shielding plate moves up and down, and the light transmission amount change is small; the observation mirror can better control the light transmission amount and adjust the required shading requirement more easily. In addition, the connecting rod can enable the sliding frame moving left and right to drive the lifting plate to move up and down, and further drive the light screen to move up and down.
2. The adjusting part adopts a threaded sleeve, a threaded rod and a knob which are common mechanical components, and is low in cost and easy to realize.
3. The threaded rod and the handle are rotatably connected through the bearing, the bearing is common, and the threaded rod and the handle are easy to realize and can reduce cost.
4. The left-right moving numerical range of the threaded sleeve is smaller than the width of the sliding frame, so that the sliding frame can be prevented from sliding out of the handle.
5. The setting of a section of thick bamboo that goes up and down, better fixed the light screen, also can realize the effect of protection to the light screen simultaneously.
6. The non-circular setting can avoid the contact surface too smooth and the slip appears, the effect of realization removal that can not be fine.
7. The upper surface of the sliding frame is provided with a scale reference value, so that when the adjustment is carried out, the current adjustment degree can be more intuitively known through the numerical scale of the sliding frame sliding out of the handle.
The invention also provides an adjusting method of the skin observation mirror with adjustable shading degree, which comprises a sliding frame, an observation mirror lens barrel and a handle with a cavity inside, wherein the sliding frame penetrates through the left side surface of the handle and is arranged in the cavity, the adjusting part is connected with the sliding frame, the adjusting part can drive the sliding frame to move left and right at a constant speed so as to slide out of the handle or retract into the handle, one end of the sliding frame, which is close to the left side surface, is fixedly connected with the observation mirror lens barrel which is vertically arranged, a lifting plate which can move up and down in the sliding frame is connected in the sliding frame in a sliding way, the adjusting method also comprises a connecting rod, two ends of the connecting rod are respectively hinged with the inner wall of the handle and the lifting plate, a shading plate with a through hole is arranged in the observation mirror lens barrel, one side of the sliding frame, which is close to the observation mirror lens barrel, a second through groove corresponding to the first through groove is formed in one side, close to the sliding frame, of the observation mirror lens barrel, the lifting plate is connected with one end of a connecting plate penetrating through the first through groove and the second through groove, the lifting plate drives the light shielding plate to move up and down through the connecting plate,
when in adjustment, the sliding frame is adjusted to move left and right through the adjustable adjusting part, the connecting rod can drive the lifting plate to move up and down, and the connecting plate (9) drives the shading plate (11) to move up and down,
when the light shielding plate is in the upper range of the movement range, the light shielding plate moves up and down, and the light transmission amount of the light shielding plate is greatly changed; when the light shielding plate is in the lower range of the movement range, the light shielding plate moves up and down, and the light transmission amount change is small;
the sliding frame moves left and right for the same distance, when the light shielding plate is in the upper range of the movement range, the up-and-down movement distance of the light shielding plate is smaller, so that the light flux change can be ensured to be in a certain range, and when the light shielding plate is in the lower range of the movement range, the up-and-down movement distance of the light shielding plate is larger, so that the light flux change can still be ensured to be in a certain range;
by adjusting the sliding frame to move left and right, the speed of the change of the light flux is controlled within a certain range in the up-and-down movement process of the light screen, and the change of the light flux is in a balanced state.
Preferably, the adjusting part comprises a threaded sleeve, a threaded rod and a knob, a second cavity communicated with the cavity is arranged in the handle, the threaded sleeve is matched with the second cavity in shape and is connected in the second cavity in a limiting and sliding manner, one side of the threaded sleeve is connected with the sliding frame, one end of the threaded rod penetrates through the other side of the threaded sleeve and is connected in the threaded sleeve in a threaded manner, the other end of the threaded rod extends to the right side surface of the handle, the knob is fixedly connected with the other end of the threaded rod,
during adjustment, the knob is rotated to adjust the relative position relation between the threaded rod and the knob, so that the left and right reciprocating motion of the sliding frame is realized, and the rotating speed of the knob and the motion of the sliding frame are in an equal proportion relation.
The method adopts the device, so the method has the same beneficial effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a cross-sectional view in elevation of the present invention;
FIG. 2 is a cross-sectional view of a bottom view of the slide frame of the present invention;
FIG. 3 is a schematic diagram of a top view of the present invention after adjusting a certain degree of shading;
in the figure: the device comprises a handle 1, a threaded rod 2, a knob 3, a threaded sleeve 4, a sliding frame 5, an observation mirror barrel 6, a lifting plate 7, a connecting rod 8, a connecting plate 9, a lifting cylinder 10 and a light screen 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, fig. 1 is a cross-sectional view of a front view of the present invention; FIG. 2 is a cross-sectional view of a bottom view of the slide frame of the present invention; fig. 3 is a schematic diagram of a top view of the present invention after adjusting a certain degree of shading.
As shown in fig. 1-3, in a specific embodiment, the skin observation mirror capable of adjusting the shading degree comprises a sliding frame 5, an observation mirror barrel 6, a handle 1 with a cavity inside, a regulating part connected with the sliding frame 5 and capable of regulating speed, wherein the sliding frame 5 penetrates through the left side surface of the handle 1 and is arranged in the cavity, the regulating part can drive the sliding frame 5 to move left and right at a constant speed to slide out of the handle 1 or retract into the handle 1, one end of the sliding frame 5 close to the left side surface is fixedly connected with the observation mirror barrel 6 which is vertically arranged, a lifting plate 7 which can move up and down in the sliding frame 5 is slidably connected in the sliding frame 5, the regulating part further comprises a connecting rod 8, two ends of the connecting rod 8 are respectively hinged with the inner wall of the handle 1 and the lifting plate 7, a shading plate 11 with a through hole is arranged in the observation mirror barrel 6, one side of the sliding frame 5 close to the, one side of the observation mirror lens barrel 6 close to the sliding frame 5 is provided with a second through groove corresponding to the first through groove, the lifting plate 7 is fixedly connected with one end of a connecting plate 9 which passes through the first through groove and the second through groove, and the lifting plate 7 drives the light screen 11 to move up and down through the connecting plate 9.
When the skin observation mirror is used, the adjustable adjusting part adjusts the sliding frame 5 to move left and right, the connecting rod 8 can drive the lifting plate 7 to move up and down, the connecting plate 9 drives the shading plate 11 to move up and down,
when the light shielding plate 11 is in the upper range of the movement range, the light shielding plate 11 moves up and down, and the light transmission amount of the light shielding plate changes greatly; when the light shielding plate 11 is in the lower range of the movement range, the light shielding plate 11 moves up and down, and the light flux change is small; the observation mirror can better control the light transmission amount and adjust the required shading requirement more easily.
In addition, the connecting rod 8 is arranged, so that the sliding frame 5 moving left and right can drive the lifting plate 7 to move up and down, and further drive the light screen 11 to move up and down.
The through hole of the light-shielding plate 11 may be provided in the middle of the surface of the light-shielding plate 11.
Further, in this embodiment, as shown in fig. 1 to 3, the adjusting portion includes a threaded sleeve 4, a threaded rod 2 and a knob 3, a second cavity communicated with the cavity is provided in the handle 1, the threaded sleeve 4 is matched with the second cavity in shape and is connected in the second cavity in a limiting sliding manner, one side of the threaded sleeve 4 is connected with the sliding frame 5, one end of the threaded rod 2 penetrates through the other side of the threaded sleeve 4 and is connected in the threaded sleeve 4 in a threaded manner, the other end of the threaded rod 2 extends to the right side face of the handle 1, and the knob 3 is fixedly connected to the other end of the threaded rod 2.
The adjusting part adopts a threaded sleeve 4, a threaded rod 2 and a knob 3 which are common mechanical components, and is low in cost and easy to realize. But not limited to this, for example, a lead screw can be directly used to adjust the sliding frame to move left and right.
In this embodiment, the threaded rod 2 is connected with the handle 1 in a limited rotation manner by a bearing (not shown in the drawings), but the connection is not limited thereto, and may be realized by other rotating bodies.
The threaded rod 2 and the handle 1 are rotatably connected through the bearing, the bearing is common, and the threaded rod is easy to realize and can reduce cost.
Further, as shown in fig. 1 to 3, the range of the left-right movement value of the screw sleeve 4 is smaller than the width of the sliding frame 5.
The left-right movement numerical range of the threaded sleeve 4 is smaller than the width of the sliding frame 5, so that the sliding frame 5 can be prevented from sliding out of the handle 1.
In this embodiment, as shown in fig. 1, the device further includes a lifting cylinder 10, the lifting cylinder 10 is connected to the inside of the observation mirror barrel 6 in a vertically sliding manner, the light shielding plate 11 is fixed between the inner walls of the lifting cylinder 10, and the other end of the connecting plate 9 is fixedly connected to the lifting cylinder 10.
The arrangement of the lifting cylinder 10 better fixes the shading plate 11, and simultaneously, the shading plate 11 can be protected.
Of course, the lifting cylinder 10 may not be provided, for example, the other end of the connecting plate 9 may be directly connected to the light shielding plate 11.
Further, the cavity and the first cavity are non-circular.
The non-circular setting can avoid the contact surface too smooth and the slip appears, the effect of realization removal that can not be fine.
Preferably, the cavity and said first cavity are rectangular in shape.
As shown in fig. 3, the upper surface of the sliding frame 5 is provided with a scale number capable of displaying the degree of sliding the sliding frame 5 out of the handle 1.
The upper surface of the sliding frame 5 is provided with a scale reference numerical value, so that when the adjustment is carried out, the current adjustment degree can be more intuitively known through the numerical scale of the sliding frame 5 sliding out of the handle 1.
In actual operation, the specific scale value can be designed according to the logical relationship among the scale length, the height change of the light shielding plate 11 and the light flux change caused by the height change of the light shielding plate 11.
The invention also provides an adjusting method of the skin observation mirror with adjustable shading degree, which combines the picture 1-3, the observation mirror comprises a sliding frame 5, an observation mirror lens barrel 6 and a handle 1 with a cavity inside, the sliding frame 5 penetrates through the left side surface of the handle 1 and is arranged in the cavity, the skin observation mirror also comprises an adjustable speed adjusting part connected with the sliding frame 5, the adjusting part can drive the sliding frame 5 to move left and right at a constant speed so as to slide out the handle 1 or retract into the handle 1, one end of the sliding frame 5 close to the left side surface is fixedly connected with the observation mirror lens barrel 6 which is vertically arranged, a lifting plate 7 which can move up and down in the sliding frame 5 is connected in the sliding frame 5, the skin observation mirror also comprises a connecting rod 8, two ends of the connecting rod 8 are respectively hinged with the inner wall of the handle 1 and the lifting plate 7, a shading plate 11 with a through hole is arranged in the observation mirror lens barrel 6, one side of the, a second through groove corresponding to the first through groove is arranged on one side of the observation mirror lens barrel 6 close to the sliding frame 5, the lifting plate 7 is connected with one end of a connecting plate 9 passing through the first through groove and the second through groove, the lifting plate 7 drives the shading plate 11 to move up and down through the connecting plate 9,
when in adjustment, the sliding frame 5 is adjusted to move left and right through the adjustable adjusting part, the connecting rod 8 can drive the lifting plate 7 to move up and down, the connecting plate 9 drives the shading plate 11 to move up and down,
when the light shielding plate 11 is in the upper range of the movement range, the light shielding plate 11 moves up and down, and the light transmission amount of the light shielding plate changes greatly; when the light shielding plate 11 is in the lower range of the movement range, the light shielding plate 11 moves up and down, and the light flux change is small;
the sliding frame 5 moves left and right for the same distance, when the light shielding plate 11 is in the upper range of the movement range, the up-and-down movement distance of the light shielding plate 11 is smaller, so that the light flux change can be ensured to be in a certain range, and when the light shielding plate 11 is in the lower range of the movement range, the up-and-down movement distance of the light shielding plate 11 is larger, so that the light flux change can still be ensured to be in a certain range;
by adjusting the sliding frame 5 to move left and right, the light shading plate 11 is controlled to move up and down, the light transmission quantity change rate is in a certain range, and the light transmission quantity change rate is in a balanced state.
Further, with reference to fig. 1-3, the adjusting portion includes a threaded sleeve 4, a threaded rod 2 and a knob 3, a second cavity communicated with the cavity is provided in the handle 1, the threaded sleeve 4 matches with the second cavity in shape and is connected in the second cavity in a limiting sliding manner, one side of the threaded sleeve 4 is connected with the sliding frame 5, one end of the threaded rod 2 penetrates through the other side of the threaded sleeve 4 and is connected in the threaded sleeve 4 in a threaded manner, the other end of the threaded rod 2 extends to the right side surface of the handle 1, the knob 3 is fixedly connected with the other end of the threaded rod 2,
during adjustment, the knob 3 is rotated to adjust the relative position relation between the threaded rod 2 and the knob 3, so that the sliding frame 5 reciprocates left and right, and the rotating speed of the knob 3 is in equal proportion to the movement of the sliding frame 5.
The adjusting method can better control the light transmission quantity and can adjust the required shading requirement more easily.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a skin observation mirror of adjustable shading degree, its characterized in that, includes slide frame (5), observation mirror cylinder (6) and inside handle (1) that has the cavity, slide frame (5) pierce through the left surface of handle (1) is arranged in the cavity, still including connecting the adjustable speed's of slide frame (5) regulation portion, regulation portion can drive slide frame (5) are controlled at the uniform velocity and are removed in order to roll-off handle (1) or withdrawal in handle (1), slide frame (5) are close to the vertical setting of one end fixed connection of left surface observation mirror cylinder (6), sliding connection one in slide frame (5) can in the lifter plate (7) that reciprocates in slide frame (5), still include connecting rod (8), the both ends of connecting rod (8) respectively with the inner wall of handle (1) with lifter plate (7) are articulated, be equipped with light screen (11) of seting up the through-hole in sight glass lens cone (6), sliding frame (5) are close to one side of sight glass lens cone (6) is seted up the first logical groove of vertical setting, sight glass lens cone (6) are close to one side of sliding frame (5) is seted up corresponding to the second that first logical groove leads to the groove, lifter plate (7) fixed connection passes first logical groove with the one end of a connecting plate (9) that the second led to the groove, lifter plate (7) pass through connecting plate (9) drive light screen (11) reciprocate.
2. The skin observation mirror with the adjustable shading degree according to claim 1, wherein the adjusting portion comprises a threaded sleeve (4), a threaded rod (2) and a knob (3), a second cavity communicated with the cavity is formed in the handle (1), the threaded sleeve (4) is matched with the second cavity in shape and is in limited sliding connection with the second cavity, one side of the threaded sleeve (4) is connected with the sliding frame (5), one end of the threaded rod (2) penetrates through the other side of the threaded sleeve (4) and is in threaded connection with the interior of the threaded sleeve (4), the other end of the threaded rod (2) extends to the right side face of the handle (1), and the knob (3) is fixedly connected with the other end of the threaded rod (2).
3. Skin scope with adjustable shade according to claim 2, characterized in that the threaded rod (2) is in a bearing-limited rotational connection with the handle (1).
4. Skin scope with adjustable shade according to claim 2, characterized in that the range of the left-right movement values of the threaded sleeve (4) is smaller than the width of the sliding frame (5).
5. The skin observation mirror capable of adjusting the shading degree according to claim 1, further comprising a lifting cylinder (10), wherein the lifting cylinder (10) is connected in the observation mirror barrel (6) in a sliding manner up and down, the shading plate (11) is fixed between the inner walls of the lifting cylinder (10), and the other end of the connecting plate (9) is fixedly connected with the lifting cylinder (10).
6. The adjustable shade skin scope of claim 1, wherein the cavity and the first cavity are non-circular.
7. The adjustable shade skin scope of claim 6, wherein the cavity and the first cavity are rectangular in shape.
8. Skin scope with adjustable shade according to claim 1, characterized in that the upper surface of the sliding frame (5) is provided with graduated numbers that show how far the sliding frame (5) slides out of the handle (1).
9. The adjusting method of the skin observation mirror with the adjustable shading degree is characterized by comprising a sliding frame (5), an observation mirror lens barrel (6) and a handle (1) with a cavity inside, wherein the sliding frame (5) penetrates through the left side surface of the handle (1) and is arranged in the cavity, the adjusting method further comprises a speed-adjustable adjusting part connected with the sliding frame (5), the adjusting part can drive the sliding frame (5) to move left and right at a constant speed to slide out the handle (1) or retract into the handle (1), one end of the sliding frame (5) close to the left side surface is fixedly connected with the observation mirror lens barrel (6) which is vertically arranged, the sliding frame (5) is internally and slidably connected with a lifting plate (7) which can move up and down in the sliding frame (5), the adjusting method further comprises a connecting rod (8), and two ends of the connecting rod (8) are respectively hinged with the inner wall of the handle (1) and the lifting plate (7), a light screen (11) provided with a through hole is arranged in the observation mirror lens cone (6), a first through groove which is vertically arranged is arranged on one side of the sliding frame (5) close to the observation mirror lens cone (6), a second through groove which corresponds to the first through groove is arranged on one side of the observation mirror lens cone (6) close to the sliding frame (5), the lifting plate (7) is connected with one end of a connecting plate (9) which penetrates through the first through groove and the second through groove, the lifting plate (7) drives the light screen (11) to move up and down through the connecting plate (9),
when in adjustment, the sliding frame (5) is adjusted to move left and right through the adjustable adjusting part, the lifting plate (7) can be driven to move up and down through the connecting rod (8), and the shading plate (11) is driven to move up and down through the connecting plate (9),
when the light shielding plate (11) is in the upper range of the movement range, the light shielding plate (11) moves up and down, and the light transmission amount of the light shielding plate changes greatly; when the light shielding plate (11) is in the lower range of the movement range, the light shielding plate (11) moves up and down, the light transmission quantity change is small,
the sliding frame (5) moves left and right for the same distance, when the light screen (11) is in the upper range of the movement range, the up-and-down movement distance of the light screen (11) is smaller, the light flux change can be ensured to be in a certain range, when the light screen (11) is in the lower range of the movement range, the up-and-down movement distance of the light screen (11) is larger, the light flux change can still be ensured to be in a certain range,
by adjusting the sliding frame (5) to move left and right, the speed of the light flux change is controlled within a certain range in the up-and-down movement process of the light screen (11), and the light flux change is in a balanced state.
10. The adjusting method according to claim 9, characterized in that the adjusting part comprises a threaded sleeve (4), a threaded rod (2) and a knob (3), a second cavity communicated with the cavity is arranged in the handle (1), the threaded sleeve (4) is matched with the second cavity in shape and is in limited sliding connection with the second cavity, one side of the threaded sleeve (4) is connected with the sliding frame (5), one end of the threaded rod (2) penetrates through the other side of the threaded sleeve (4) to be in threaded connection with the threaded sleeve (4), the other end of the threaded rod (2) extends to the right side surface of the handle (1), and the knob (3) is fixedly connected with the other end of the threaded rod (2),
during adjustment, the knob (3) is rotated to adjust the relative position relation between the threaded rod (2) and the knob (3), so that the left-right reciprocating motion of the sliding frame (5) is realized, and the rotating speed of the knob (3) is in equal proportion to the motion of the sliding frame (5).
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108403089A (en) * | 2018-05-15 | 2018-08-17 | 苏州国科盈睿医疗科技有限公司 | A kind of hand-held dermoscopy |
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CN208921609U (en) * | 2018-10-12 | 2019-05-31 | 李青 | A kind of micro- sem observation pathological section masking frame |
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US20180368692A1 (en) * | 2016-07-08 | 2018-12-27 | Illuco Co., Ltd | Dermatoscope device |
CN108403089A (en) * | 2018-05-15 | 2018-08-17 | 苏州国科盈睿医疗科技有限公司 | A kind of hand-held dermoscopy |
CN108553090A (en) * | 2018-05-15 | 2018-09-21 | 苏州国科盈睿医疗科技有限公司 | A kind of portable skin mirror shade |
CN208206778U (en) * | 2018-06-11 | 2018-12-07 | 湖南环境生物职业技术学院 | A kind of micro- sem observation pathological section masking frame |
CN208921609U (en) * | 2018-10-12 | 2019-05-31 | 李青 | A kind of micro- sem observation pathological section masking frame |
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