A kind of LED circuit board of tooth cleaner handgrip
Technical field
The present invention relates to tooth cleaner handgrip device, specifically relate to a kind of LED of tooth cleaner handgrip
Circuit board.
Background technology
Ultrasonic cavitron is the instrument for cleaning teeth for removing dental calculus, smoking patch, bacterial plaque etc., primarily of compositions such as main frame, power supply adaptor, foot switch, handle line and handles.Stretched in oral cavity by handle in cleaning course and clean tooth, due to narrow space in oral cavity, when insufficient light, handle operation tip likely can touch non-working surface, thus produces unnecessary wound.Publication number is that the Chinese invention patent of CN101703426 discloses a kind of ultrasonic tooth cleaner handgrip, comprise the water pipe of handle casing and interior setting thereof, the outlet of water pipe is positioned at the end of handle casing, described handle casing inner chamber is provided with luminous body, luminous body is made up of multiple LED of pcb board and upper setting thereof, in the handle doffing of composition handle casing, be provided with the lamp socket be connected with luminous body, the pcb board being furnished with LED ringwise and be socketed on the convex position in the middle part of lamp socket.
This application introduces light source in handle casing, thus enables operator carry out at patient's cavity interior operations such as cleaning one's teeth under good light, overcomes the deficiency of existing ultrasonic tooth cleaner handgrip not with light source; But
The required precision being the connection of pcb board and luminous body is higher, and the program does not illustrate, and if there is deviation, the light source occurred for LED just there will be to be dispersed, and then impact uses.
The LED circuit board of tooth cleaner handgrip is installed on the inwall that cross section is circular guide-lighting bowl.In prior art, pcb board adds man-hour at jigsaw, and edge easily forms burr, can be installed in guide-lighting bowl after needing to carry out edge polishing.In addition, before LED circuit board is installed on the inherent plastic packaging of guide-lighting bowl, relative with guide-lighting bowl removable, may slip be produced in plastic packaging process, make LED circuit board in guide-lighting bowl decentraction, thus cause the LED non-uniform light in LED circuit board.For above problem, therefore, be necessary to make improvements.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of LED circuit board of tooth cleaner handgrip,
Solve existing LED circuit board making required precision low, by coordinating with guide-lighting bowl, flatness and concentricity can not be consistent problem, on the basis not changing LED circuit board processing technique, realize the requirement to this product concentricity, effectively avoid the operate miss caused due to divergence of beam in oral cavity cleaning process.
For achieving the above object, the technical solution adopted for the present invention to solve the technical problems is, a kind of LED circuit board of tooth cleaner handgrip, comprise annular pcb board (1) and be arranged at the some LED (9) on pcb board (1), it is characterized in that: the upper surface of pcb board is equidistantly provided with semi-circular recesses (2) along outer shroud; Pcb board is also provided with some stamp holes (3) along outer shroud (1); The cross section of stamp hole (3) is tooth shape cross section, and tooth shape cross section has along its length two end edge (4); Two end edge (4) are connected with pcb board (1) arc transition near outermost one end, the other end is formed with end bosses component (6) in the inner part, be provided with middle part raised member (7) between two end bosses components (6), middle part raised member (7) forms medial recess (8) between its adjacent end bosses component (6); Form end between end edge (4) and end bosses component (6) and cave in (5); End depression (5) realizes circular trough transition by milling cutter; Described medial recess (8) is by groove milling punching transition; And the width of end depression (5) is greater than the width of medial recess (8).
As a preferred embodiment of the present invention, the tooth root portion of end bosses component and middle part raised member is 0.2 ~ 0.3 to the ratio range of the height in increment face and described stamp hole cross-sectional width.
As a preferred embodiment of the present invention, the width in stamp hole cross section is not more than described LED width.
As a preferred embodiment of the present invention, the symmetrical setting of stamp hole.
Beneficial effect of the present invention: at the upper surface of pcb board along outer shroud spaced set semi-circular recesses, can match, for fixed L ED circuit board, make it can not produce movement before plastic packaging with the projection of conduit bowl inwall, ensures that LED circuit board is concentric with guide-lighting bowl.In addition, add man-hour at pcb board jigsaw, owing to arranging stamp hole, the position that is connected between multiple pcb board can not produce burr.Owing to adopting said structure, by the making to LED circuit board, on the basis not changing LED circuit board processing technique, realize the requirement to this product concentricity, effectively avoid causing various problem due to divergence of beam in oral cavity cleaning process, structure is simple, easy to use, and cost is low, high temperature resistant.
Accompanying drawing explanation
Fig. 1 is the LED circuit board front view of the embodiment of the present invention.
Fig. 2 is the LED circuit board structural representation of the embodiment of the present invention.
Fig. 3 is embodiment of the present invention stamp hole structure schematic diagram.
Fig. 4 is embodiment of the present invention LED circuit board annexation structure chart.
Reference numeral in figure: pcb board 1, semi-circular recesses 2, stamp hole 3, end edge 4, end depression 5, end bosses component 6, middle part raised member 7, medial recess 8, LED 9.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of the present invention is elaborated.
As Figure 1-3, according to the LED circuit board of a kind of tooth cleaner handgrip provided by the invention, comprise pcb board 1, be arranged at some LED 9 on pcb board.The upper surface of pcb board is equidistantly provided with semi-circular recesses 2 along outer shroud, the quantitative design of semi-circular recesses 2 and guide-lighting bowl upper process with the use of.For the relative position of fixed L ED circuit board and guide-lighting bowl.As a kind of preferred version, the quantity of semi-circular recesses 2 is 3, LED circuit board is helped to contact by three supports on more effective and guide-lighting bowl, ensure that the flatness of LED circuit board 1 and guide-lighting bowl, and the width in stamp hole 3 cross section is not more than described LED 9 width, be convenient to us to facilitate mounted LED lamp 9.
The cannelure that LED circuit board 1 will put into guide-lighting bowl will ensure flatness and concentricity one_to_one corresponding, ensure that the inside and outside circle of LED circuit board 1 does not smoothly have burr, otherwise can cause filling to enter guide-lighting bowl or can not be smooth the guide-lighting bowl of loading.
LED circuit board 1 in the fabrication process, formed by the sheet fabrication of non-machine-shaping, pcb board 1 passes through groove milling on one block of large plate, punching processing out, but between the pcb board processed 1 is related, when generic condition allows, circular trough can complete the precision of +/-0.05 by milling cutter, but punching can only realize the precision of +/-0.1, to have projection to exceed outer guide-lighting bowl diameter if connected, LED circuit board 1 just may be caused to put into guide-lighting bowl concentricity inconsistent.
Based on above-mentioned requirements, we are when Design PCB plate 1, and being also provided with at the connecting portion of pcb board 1 somely has stamp hole 3; This stamp hole 3 is one-body molded with LED circuit board 1; Ensure that aesthetics and the integral firmness of pcb board 1, preferably, we have beaten four stamp holes 3 on pcb board 1, the cross section of stamp hole 3 is tooth shape cross section, this cross section is formed on pcb board 1 outer shroud, and symmetrical setting is formed with two end edge 4 along its length; Two end edge 4 are connected with pcb board 1 arc transition near outermost one end, the other end is formed with end bosses component 6 in the inner part, be provided with middle part raised member 7 between two described end bosses components 6, middle part raised member 7 forms medial recess 8 between its adjacent described end bosses component 6; Form end between end edge 4 and end bosses component 6 and cave in 5; The tooth root portion of end bosses component 6 and middle part raised member 7 is 0.2 ~ 0.3 to the ratio range of the height in increment face and described stamp hole 3 cross-sectional width, is convenient to us like this and distinguishes processing circular trough and punching, to realize the working (machining) efficiency increasing LED circuit board 1.
So we are in the course of processing, just end is caved in 5 for realize circular trough transition by milling cutter; And medial recess 8 is by groove milling punching transition; And the width of end depression 5 is greater than the width of medial recess 8.
As shown in Figure 4, after pcb board 1 machines, adjacent pcb board 1 only has two end edge 4 to link together, manually breaking board, stamp hole 3 ruptures, because be junction depression, cylindrical can not be protruded, such LED circuit board 1 can ensure concentricity by very tight accurate guide-lighting bowl of putting into, and on the basis not changing LED circuit board 1 processing technique, achieves the requirement of product to concentricity.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Although more employ Reference numeral pcb board 1 in figure herein, pad 2, stamp hole 3, end edge 4, end depression 5, end bosses component 6, middle part raised member 7, medial recess 8, LED 9.Deng term, but do not get rid of the probability using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.