CN213362019U

CN213362019U - Dental lamp

Info

Publication number: CN213362019U
Application number: CN202021250321.4U
Authority: CN
Inventors: 侯志文
Original assignee: Foshan Bangning Electronic Technology Co ltd
Current assignee: Foshan Bangning Electronic Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-06-04
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a dental lamp, which comprises a light-transmitting panel and a light-emitting device, wherein the light-emitting device comprises a light-emitting element and a light filtering mechanism; the light filtering mechanism comprises a light filtering cover for shielding the light emitting element, a slide rail, a movable connecting seat arranged on the slide rail and a rotary crank mechanism for driving the movable connecting seat, and the light filtering cover is connected to the movable connecting seat; rotatory crank mechanism includes rotatory crank piece, is used for rotating the knob and the connecting rod of rotatory crank piece, rotatory crank piece is equipped with eccentric spliced pole, connecting rod one end with eccentric spliced pole is connected, the other end with the mobile connection seat is connected, through revolving soon the knob drive the mobile connection seat is followed the slide rail removes, thereby control the light filtering cover is right light emitting component's the degree of sheltering from. Adopt the utility model discloses, simple structure, the simple operation, long service life easily regulates and control the light filtering degree.

Description

Dental lamp

Technical Field

The utility model relates to the technical field of medical machinery, especially, relate to a dental lamp.

Background

In the dental medical lamp, there is a need to add an optical mode (resin curing prevention mode) that can specifically reduce the blue light component so that the doctor can prevent the filling material from being hardened too early when handling the light-curable filling material, and the doctor can easily perform the treatment. Existing lamps generally have two schemes for adding this mode: firstly, the method is realized by adding a special LED lamp bead; secondly, the optical filter is moved; the existing scheme is low in cost, and the optical filter which can be manually operated and moved is added on the reflection type oral cavity lamp using the LED lamp bead. The existing manual moving modes are all sliding button modes, and because the angle of light rays emitted by the LED lamp beads is relatively fixed, the moving distance for covering the LED lamp beads by the optical filter is also relatively fixed, so that the moving operation space is large, and the flat buttons are not easy to operate; when the manual operation tool is used for a long time, due to inconsistent manual operation force, parts are easily abraded, and the operation hand feeling is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a dental lamp is provided, simple structure, the simple operation, long service life easily regulates and control the light filtering degree.

In order to solve the above technical problem, the present invention provides a dental lamp, comprising a light-transmitting panel and a light-emitting device mounted on the light-transmitting panel, wherein the light-emitting device comprises a light-emitting element and a light-filtering mechanism for shielding the light-emitting element; the light filtering mechanism comprises a light filtering cover for shielding the light emitting element, a slide rail, a movable connecting seat arranged on the slide rail and a rotary crank mechanism for driving the movable connecting seat, and the light filtering cover is connected to the movable connecting seat; rotatory crank mechanism includes rotatory crank piece, is used for rotating the knob and the connecting rod of rotatory crank piece, rotatory crank piece is equipped with eccentric spliced pole, connecting rod one end with eccentric spliced pole is connected, the other end with the mobile connection seat is connected, through revolving soon the knob drive the mobile connection seat is followed the slide rail removes, thereby control the light filtering cover is right light emitting component's the degree of sheltering from.

As an improvement of the above scheme, the light emitting device further comprises a heat dissipation base and a lamp holder for mounting the light emitting element, and the lamp holder and the slide rail are mounted on the heat dissipation base.

As an improvement of the above scheme, a lamp groove is arranged at the top of the lamp holder, and the light-emitting element is installed in the lamp groove.

As an improvement of the above scheme, the light filtering cover comprises a light filtering sheet and limiting edges arranged on two sides of the light filtering sheet, and the light filtering sheet is positioned on the top of the lamp holder so as to shield the light emitting elements in the lamp groove.

As an improvement of the above scheme, a feedback elastic sheet extends from one end of the limit edge, and a plurality of convex parts corresponding to the feedback elastic sheets are arranged on two sides of the lamp holder;

the feedback elastic sheets on the two sides incline towards the direction of the protruding part, so that one end of each feedback elastic sheet is abutted against the protruding part.

As an improvement of the scheme, the surface of the protruding part, which is in contact with the feedback elastic sheet, is an arc-shaped surface.

As an improvement of the above scheme, the filter cover further comprises a connecting part, and the connecting part is hinged with the movable connecting seat.

As an improvement of the above scheme, strip-shaped holes are formed in two sides of the movable connecting base, and the distance between the filtering cover and the top surface of the lamp holder is adjusted by adjusting the connecting position of the connecting part on the strip-shaped holes.

As an improvement of the above scheme, the rotating crank block is provided with a rotating shaft, and the knob is provided with a connecting shaft connected with the rotating shaft;

the connecting shaft is provided with a through hole matched with the shape of the rotating shaft, the rotating shaft is inserted into the through hole, and the cross section of the rotating shaft is in a plum blossom shape so as to limit the rotating shaft to slip in the through hole.

As an improvement of the scheme, the limiting edge is provided with a frosted surface.

Implement the utility model discloses, following beneficial effect has:

the utility model discloses a dental lamp, which comprises a light-emitting element and a light filtering mechanism used for shielding the light-emitting element; the filtering mechanism comprises a filtering cover, a sliding rail, a movable connecting seat and a rotary crank mechanism for driving the movable connecting seat. The rotary crank mechanism comprises a rotary crank block, a knob and a connecting rod, the knob is used for rotating the rotary crank block, the rotary crank block is provided with an eccentric connecting column, one end of the connecting rod is connected with the eccentric connecting column, the other end of the connecting rod is connected with the movable connecting seat,

therefore, the user can change the shading rate of the light-emitting element by the filter cover in a screwing mode, and compared with a sliding button type, the shading rate can be better controlled, so that the user can obtain the required shading effect.

Drawings

FIG. 1 is a schematic perspective view of a dental light of the present invention;

FIG. 2 is a schematic view of the dental light of the present invention in an exploded configuration;

fig. 3 is a schematic structural view of the rotary knob and the rotary slider-crank of the present invention;

fig. 4 is a schematic structural view of the heat dissipation base of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present invention provides a dental lamp, which includes a light-transmitting panel 1 and a light-emitting device installed on the light-transmitting panel 1, wherein the light-emitting device includes a light-emitting element 2, a filtering mechanism 3 for shielding the light-emitting element, a heat-dissipating base 4 and a lamp holder 5 for installing the light-emitting element;

the filtering mechanism 3 comprises a filtering cover 31 for shielding the light-emitting element, a slide rail 32, a movable connecting seat 33 mounted on the slide rail 32, and a rotary crank mechanism 6 for driving the movable connecting seat 33, wherein the filtering cover 31 is connected to the movable connecting seat 33, and the lamp holder 5 and the slide rail 32 are mounted on the heat dissipation base 4;

with reference to fig. 3, the rotating crank mechanism 6 includes a rotating crank block 61, a knob 62 for rotating the rotating crank block 61, and a connecting rod 63, the rotating crank block 61 is provided with an eccentric connecting column 611, one end of the connecting rod 63 is hinged to the eccentric connecting column 611, and the other end is hinged to the movable connecting seat 33, and the knob 62 is screwed to drive the movable connecting seat 33 to move along the slide rail 32, so as to control the shielding degree of the light-emitting element by the filter cover 31. The movable connecting seat 33 is provided with a connecting column, and two ends of the connecting rod are respectively provided with bayonets matched with the connecting column and the eccentric connecting column.

Specifically, the rotating crank block 61 is provided with a rotating shaft 612, and the knob 62 is provided with a connecting shaft 621 connected with the rotating shaft 612. The connecting shaft 621 is provided with a through hole 622 matched with the shape of the rotating shaft 612, the rotating shaft 612 is inserted into the through hole 622, and the cross section of the rotating shaft 612 is in a plum blossom shape so as to limit the sliding of the rotating shaft 612 in the through hole 622. The light-transmitting panel 1 and the heat-dissipating base 4 are provided with a rotating shaft hole 41 through which the rotating shaft 612 and the connecting shaft 621 pass.

Referring to fig. 4, a lamp slot 51 is disposed at the top of the lamp socket 5, a plug board 52 is disposed at the bottom of the lamp socket 5, and the heat dissipation base 4 is provided with a slot 42 adapted to the plug board 52. The light emitting element 2 is installed in the light trough 51, the filter cover 31 includes a filter 311 and limiting edges 312 disposed on two sides of the filter, the filter 311 is located on the top of the light holder 5 to shield the light emitting element 2 in the light trough 51, and the limiting edges 312 are respectively located on two sides of the light holder 5 to limit the filter 311 to move above the light trough 51, that is, the filter cover 31 moves along the light trough 51.

Further, the limiting edge 312 has a frosted surface to shield the reflected light from the two sides of the light emitting element 2, so as to prevent the glare and the reflected light from affecting the operation of the doctor.

In order to provide better maneuverability for a user, a feedback spring piece 313 extends from one end of the limiting edge 312, and a plurality of protruding parts 53 corresponding to the feedback spring pieces are arranged on two sides of the lamp holder 5; the feedback elastic pieces 313 on the two sides are obliquely arranged towards the direction of the convex part 53, so that one end of the feedback elastic piece 313 is abutted against the convex part 53. When the feedback elastic piece 313 passes over the convex part 53, the moving resistance of the filter cover 31 is correspondingly increased, so that a certain hand feeling feedback can be provided when a user screws to a certain angle in the process of screwing the knob, and the user can more accurately adjust the shading rate through the touch feeling.

The contact surface between the protruding portion 53 and the feedback elastic piece 313 is an arc surface, so that when the filtering cover 31 moves back and forth, the feedback elastic piece 313 cannot be stuck between two adjacent protruding portions.

In order to facilitate replacement of the light emitting device 2, the filter cover 31 further includes a connecting portion 314, and the connecting portion 314 is hinged to the movable connecting seat 33, so that when the light emitting device 2 in the light trough 51 needs to be replaced, the filter cover 31 can be directly opened by unscrewing the screw at the hinged position, and the light emitting device 2 can be taken out.

Moreover, the two sides of the movable connection seat 33 are provided with strip-shaped holes 331 for adjusting the connection position of the connection part, so as to adjust the distance between the filter cover 31 and the top surface of the lamp holder 5, thereby making the distance between the filter 311 and the light emitting element 2 fine-adjustable. Finally, when the product is assembled conveniently, corresponding fine adjustment is carried out according to the position of optical adjustment.

Preferably, the light emitting element 2 is an LED lamp bead, and the heat dissipation base 4 is made of a material with high thermal conductivity.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. A dental light comprising a light-transmissive panel and a light-emitting device mounted on the light-transmissive panel, characterized in that: the light-emitting device comprises a light-emitting element and a filter mechanism for shielding the light-emitting element;

the light filtering mechanism comprises a light filtering cover for shielding the light emitting element, a slide rail, a movable connecting seat arranged on the slide rail and a rotary crank mechanism for driving the movable connecting seat, and the light filtering cover is connected to the movable connecting seat;

rotatory crank mechanism includes rotatory crank piece, is used for rotating the knob and the connecting rod of rotatory crank piece, rotatory crank piece is equipped with eccentric spliced pole, connecting rod one end with eccentric spliced pole is connected, the other end with the mobile connection seat is connected, through revolving soon the knob drive the mobile connection seat is followed the slide rail removes, thereby control the light filtering cover is right light emitting component's the degree of sheltering from.

2. A dental light as in claim 1, wherein the light emitting device further comprises a heat sink base and a socket for mounting the light emitting element, the socket and track being mounted on the heat sink base.

3. A dental light as in claim 2, wherein a top portion of said socket is provided with a socket, said light emitting element being mounted in said socket.

4. A dental lamp as in claim 3, wherein the filter cover comprises a filter and a limiting edge disposed on both sides of the filter, the filter being disposed on the top of the lamp holder to shield the light emitting element in the lamp slot.

5. A dental lamp as claimed in claim 4, wherein a feedback spring extends from one end of the limiting edge, and a plurality of protrusions corresponding to the feedback spring are provided on both sides of the lamp holder;

6. A dental light as in claim 5, wherein the face of the boss contacting the feedback spring is an arcuate face.

7. A dental light as in claim 2, wherein the filter cover further comprises a connecting portion, the connecting portion being hingedly connected to the mobile connector holder.

8. A dental lamp as claimed in claim 7, wherein a strip-shaped hole is formed at both sides of the movable connection holder, and the distance between the filter cover and the top surface of the lamp holder is adjusted by adjusting the connection position of the connection part on the strip-shaped hole.

9. A dental light as in claim 2, wherein said rotary crank block is provided with a rotation shaft, said knob being provided with a connection shaft connected to said rotation shaft;

10. A dental light as in claim 4, wherein the stop edge has a frosted surface.