1. The utility model provides an air outlet of vehicle air conditioner which characterized in that: including main part (1), main part (1) is whole to be the pipe shape, main part (1) hole is established to venthole (12), the hole of venthole (12) has reflection of light step (3) along the shaping, the inboard slope setting towards venthole (12) of reflection of light step (3), seted up on main part (1) lateral wall and link up incident hole (31) of venthole (12), it has threely, three to go into perforation (31) follow main part (1) circumference equiangle interval sets up, be provided with the reflection of light face on reflection of light step (3).

2. The air outlet of an automobile air conditioner as claimed in claim 1, wherein: go into perforation (31) intussuseption and be equipped with transparent resin (32), mounting groove (33) have been seted up on reflection of light step (3), install reflection of light piece (4) in mounting groove (33), reflection of light piece (4) are the disk, mounting groove (33) be with the circular slot of reflection of light piece (4) adaptation, the part of reflection of light piece (4) is provided with along the protrusion outward and leads solid protruding (41), mounting groove (33) are close to reflection of light step (3) inboard region is seted up and is led solid groove (34) of leading of solid protruding (41) adaptation, be provided with transparent protective layer (5) on reflection of light step (3).

3. The air outlet of an automobile air conditioner as claimed in claim 2, wherein: the light reflecting step (3) is convexly provided with an installation bulge (35) corresponding to the installation groove (33), an incidence groove is formed in the installation bulge (35), and a connecting line between the incidence groove and the axis of the installation groove (33) extends linearly and can pass through the incidence hole (31).

4. The air outlet of an air conditioner for a vehicle as claimed in claim 3, wherein: the LED lamp is characterized by further comprising a sealing cover (2), the sealing cover (2) is inserted into the air outlet hole (12) and seals the air outlet hole (12), a light reflecting table board (6) is obliquely arranged on the outer edge of the sealing cover (2) towards the main body (1), and a light reflecting sheet (4) is also arranged on the light reflecting table board (6).

5. The air outlet of air conditioner for vehicle as claimed in claim 4, wherein: closing cap (2) includes skeleton and lid, the skeleton includes inserted bar (21) and elastic strip (22), elastic strip (22) have two, elastic strip (22) one end with inserted bar (21) one end is fixed, elastic strip (22) other end with the inserted bar (21) other end corresponds and keeps away from gradually along inserted bar (21) length direction inserted bar (21), the lid includes lower cover (23), left side lid (24) and right side lid (25), lower cover (23) with inserted bar (21) is kept away from the one end of elastic strip (22) is fixed, left side lid (24) with right side lid (25) respectively with two elastic strip (22) one-to-one is fixed.

6. A production process of an air outlet of an automobile air conditioner is characterized by comprising the following steps: the method comprises the following steps:

1) the main body (1) of the air outlet is formed in an injection molding mode, so that a corresponding light reflecting step (3), an incident hole (31) and a mounting groove (33) are formed;

2) performing surface treatment on the outer surface of the main body (1);

3) filling transparent resin (32) into the incident hole (31);

4) the installation groove (33) on the reflecting step (3) is filled with a reflecting sheet (4) so as to form a corresponding reflecting surface;

5) and coating the transparent protective layer (5) on the surface of the light reflecting step (3).

7. The production process of the air outlet of the automobile air conditioner as claimed in claim 6, wherein the production process comprises the following steps: step 4) comprises 4.1) filling; 4.2), detecting;

during detection, through liquid flowing detection and blowing detection, flowing water flows over the surface provided with the reflector (4), then blowing is carried out, the moisture on the surface provided with the reflector (4) is dried, meanwhile, the water does not directly impact the reflector (4), and the wind just blows the reflector (4).

8. The production process of the air outlet of the automobile air conditioner as claimed in claim 7, wherein the production process comprises the following steps: in the step 4.2), hot air is adopted for blowing, and the back surface of the reflective sheet (4) is coated with hot melt adhesive.

9. The production process of the air outlet of the automobile air conditioner as claimed in claim 8, wherein the production process comprises the following steps: step 5) comprises 5.1) and further pressing the reflective sheet (4); 5.2) coating a transparent protective layer (5).

10. The production process of the air outlet of the automobile air conditioner as claimed in claim 9, wherein the production process comprises the following steps: step 5.1) and step 5.2) go on simultaneously, spout butt reflection of light piece (4) through spraying equipment, carry out the consolidation, then spraying transparent protective layer (5), spraying equipment includes scribble paint cartridge (71), conveying pipeline (72), shower nozzle (8), direction faller (73) and drive driving piece (74) of direction faller (73) motion, shower nozzle (8) are including shower nozzle main part (81), be provided with a plurality of glue spraying needle (82) on shower nozzle main part (81), it is a plurality of glue spraying needle (82) one-to-one is used for butt reflection of light piece (4), guide faller (73) are seted up and are supplied guide hole (731) that glue spraying needle (82) passed, driving piece (74) drive direction faller (73) are followed glue spraying needle (82) length direction motion.

Background

An air outlet of an automobile air conditioner belongs to an automobile interior part and is generally arranged in an automobile cockpit or at a position obliquely above a sitting position, when the temperature in the automobile needs to be adjusted, the air conditioner can be started to refrigerate or heat, and air comes out from the air outlet of the automobile air conditioner, so that comfortable feeling is brought to people.

The automobile air conditioner air outlet is used as a main visible part of the automobile air conditioner and a final part of the air outlet of the automobile air conditioner, the automobile air conditioner air outlet is mainly used for beautifying the interior decoration of the automobile and keeping better consistency with other parts in the automobile, and the automobile air conditioner air outlet is usually produced by injection molding and then subjected to surface electroplating treatment.

The atmosphere lamp is also called as an LED atmosphere lamp and is mainly used for creating the atmosphere sense of the demands of people in life, and along with the development, the atmosphere lamp is commonly configured on modern automobiles.

In conclusion, the existing air outlet of the automobile air conditioner cannot emit light to match with the atmosphere lamp, the atmosphere lamp is inconvenient to install, the atmosphere lamp is installed on the peripheral plate of the air outlet, the atmosphere is not easy to shape, and the design is complex.

Disclosure of Invention

First aspect carries out the atmosphere in order to make better cooperation atmosphere lamp of vehicle air conditioner air outlet and moulds, and this application provides a vehicle air conditioner air outlet adopts following technical scheme:

the utility model provides an air outlet of automobile air conditioner, includes the main part, the whole pipe form that is of main part, the main part hole is established to the venthole, the hole of venthole has reflection of light step along the shaping, the inboard slope setting in the venthole of reflection of light step, seted up on the main part lateral wall and link up the incident hole of venthole, it has threely, three to go into the perforation edge main part circumference equiangular interval sets up, be provided with the reflection of light face on the reflection of light step.

Through adopting above-mentioned technical scheme, it is used for cooperating the atmosphere lamp to set up reflection of light step through the slope, diffuse reflection through reflection of light face and reflection of light step itself on the reflection of light step, after the light of atmosphere lamp is received again, the air outlet also can cooperate reflection atmosphere light, the better atmosphere of moulding, the incident hole of seting up in the main part, make the light of atmosphere lamp can be better pass the main part outer wall and shine on the step face, three income perforation has divided into three part to the reflection of light step, every incident hole corresponds the reflection of light step of shining a part, the effect is better.

Optionally, the incident hole is filled with transparent resin, a mounting groove is formed in the reflecting step, a reflecting sheet is mounted in the mounting groove, the reflecting sheet is a circular sheet, the mounting groove is a circular groove matched with the reflecting sheet, a guiding and fixing protrusion is arranged on the outer edge of the part of the reflecting sheet in a protruding manner, a guiding and fixing groove matched with the guiding and fixing protrusion is formed in the region, close to the inner side of the reflecting step, of the mounting groove, and a transparent protective layer is arranged on the reflecting step.

By adopting the technical scheme, the transparent resin is filled in the incident hole, so that the light transmission performance is kept, the step surface on the main body keeps integrity, the outward part of the air outlet main body is not easy to hurt people and damage, the guide and fixing bulge on the reflecting sheet ensures that the reflecting sheet is influenced by air resistance when falling, the position of the guiding and fixing bulge on the reflector plate can be better kept to be positioned below the whole body when falling, the guiding and fixing groove is matched with the guiding and fixing bulge on the reflector plate, thereby being convenient for filling the installation groove with the reflective pieces, shaking off the reflective pieces which do not enter the installation groove by scattering the reflective pieces on the air outlet main body, scattering the reflective pieces for a plurality of times, can accomplish the preliminary settlement of reflector panel, lead the existence of fixed slot for the more firm of the preliminary installation of reflector panel is difficult to drop, and the reflector panel is fixed to the transparent protection layer, and keeps the reflection of light effect of reflector panel.

Optionally, the reflecting step is provided with a mounting protrusion corresponding to the mounting groove in a protruding manner, the mounting protrusion is provided with an incident groove, and a connecting line between the incident groove and the axis of the mounting groove extends linearly and can pass through the incident hole.

Through adopting above-mentioned technical scheme, the installation arch of setting for block the reflector panel, make the reflector panel when the installation, receive the effect of installation arch, get into the mounting groove more easily, the incident groove of seting up on the installation arch, make the installation arch squeeze into the influence of reflector panel to atmosphere light less.

Optionally, the light-reflecting device further comprises a sealing cover, the sealing cover is inserted into the air outlet hole and seals the air outlet hole, a light-reflecting table board is obliquely arranged on the outer edge of the sealing cover towards the main body direction, and a light-reflecting sheet is also arranged on the light-reflecting table board.

Through adopting above-mentioned technical scheme, the closing cap is used for sealing the air outlet, when vehicle air conditioner does not use, can be through installing the closing cap at the air outlet, come better cooperation atmosphere lamp, and the reflector surface on the closing cap also plays the effect of reflection of light atmosphere lamp.

Optionally, the closing cap includes skeleton and lid, the skeleton includes inserted bar and elastic strip, the elastic strip has two, elastic strip one end with inserted bar one end is fixed, the elastic strip other end with the inserted bar other end corresponds and keeps away from along inserted bar length direction gradually the inserted bar, the lid includes lower cover, left side lid and right side lid, the lower cover with the inserted bar is kept away from the one end of elastic strip is fixed, left side lid with right side lid respectively with two the elastic strip one-to-one is fixed.

Through adopting above-mentioned technical scheme, the lid divide into the triplex, under the effect of elasticity strip, the skeleton is when inserting in the air outlet, the motion of drawing close is done to the triplex of lid, the lower cover can be used for supporting the cell-phone, left side lid and right side lid cooperation can carry out the centre gripping to the cell-phone fixed, the setting of elasticity strip, make through skeleton male degree of depth, can adjust left side lid and right side lid and press from both sides tightly each other, the closing cap has also played cell phone stand's effect, the closing cap also can block the gas of vehicle air conditioner input simultaneously and can not blow directly, when having needs, the direction is all around.

In order to produce the air outlet, the application provides a production process of an air outlet of an automobile air conditioner, which adopts the following technical scheme:

a production process of an air outlet of an automobile air conditioner comprises the following steps:

1) the main body of the air outlet is formed in an injection molding mode, so that a corresponding light reflecting step, an inlet hole and a mounting groove are formed;

2) performing surface treatment on the outer surface of the main body;

3) filling transparent resin in the incident hole;

4) filling a light reflecting sheet in the mounting groove on the light reflecting step to form a corresponding light reflecting surface;

5) and coating the transparent protective layer on the surface of the light reflecting step.

Optionally, step 4) comprises 4.1) filling; 4.2), detecting;

during detection, through liquid flow detection and blowing detection, flowing water flows over the surface provided with the reflector firstly, then blowing is carried out, the moisture on the surface provided with the reflector is dried, meanwhile, the water does not directly impact the reflector, and the wind blows the reflector.

Through adopting above-mentioned technical scheme, through liquid flow, fill the clearance between reflection of light piece and the mounting groove, because the effect of liquid tension, can prevent through liquid that reflection of light piece breaks away from the mounting groove, liquid also can drive the reflection of light piece that does not correspond the mounting groove completely and drive better entering mounting groove under liquid drives simultaneously, then the detection of blowing, can weather the liquid on air outlet body surface, also can blow down the reflection of light piece that does not get into the mounting groove simultaneously, indirectly improve the machining precision.

Optionally, in the step 4.2), hot air is adopted for blowing, and the back surface of the reflective sheet is coated with hot melt adhesive.

Through adopting above-mentioned technical scheme, when blowing and detecting, it is hot-blast to blow for the drying of liquid, can melt the hot melt adhesive at the reflector panel back simultaneously, thereby tentatively fix reflector panel and air outlet body.

Optionally, step 5) comprises 5.1) further compressing the reflective sheet; 5.2) coating a transparent protective layer.

Through adopting above-mentioned technical scheme, compress tightly the reflector panel, then carry out the coating of transparent protective layer again for the reflector panel is difficult to be taken over the mounting groove when coating transparent protective layer.

Optionally, step 5.1) and step 5.2) go on simultaneously, spout butt reflection of light piece through spraying equipment, press admittedly, then the transparent protective layer of spraying, spraying equipment includes scribble cartridge, conveying pipeline, shower nozzle, direction faller and the driving piece of drive direction faller motion, the shower nozzle includes the shower nozzle main part, be provided with a plurality of glue spraying needles in the shower nozzle main part, it is a plurality of glue spraying needle one-to-one is used for butt reflection of light piece, the guiding hole that supplies glue spraying needle to pass is seted up to the direction faller, the driving piece drive the direction faller is followed glue spraying needle length direction motion.

Through adopting above-mentioned technical scheme, through spouting gluey needle butt reflector panel to compress tightly the reflector panel, then carry out the coating of transparent protective layer at the resin that jets out, compress tightly and go on simultaneously with the spraying, reduce mutual interference, improve spraying efficiency, the direction faller is used for restricting spouting gluey needle, makes spouting gluey needle butt more stable.

To sum up, set up the reflection of light step through the slope and be used for coordinating the atmosphere lamp, through the diffuse reflection of light face and reflection of light step itself on the reflection of light step, after receiving the light of atmosphere lamp again, the air outlet also can coordinate reflection atmosphere light, better mould the atmosphere, the incident hole of seting up in the main part for the light of atmosphere lamp can be better pass the main part outer wall and shine on the step face, three income perforation has divided into three part to the reflection of light step, every incident hole corresponds the reflection of light step that shines a part, the effect is better.

Drawings

Fig. 1 is a schematic structural view of an air outlet in an embodiment of the present application;

fig. 2 is a schematic structural diagram of an air outlet body in the embodiment of the present application;

fig. 3 is a partial cross-sectional view of the outlet body in the embodiment of the present application;

FIG. 4 is a schematic structural view of the outlet closure of the embodiment of the present application;

FIG. 5 is a flow chart of surface treatment in an embodiment of the present application;

FIG. 6 is a schematic structural view of a spray coating device in an embodiment of the present application;

fig. 7 is a schematic structural diagram of a showerhead in an embodiment of the present application.

Description of reference numerals: 1. a main body; 11. an operating bar; 12. an air outlet; 2. a closure cap; 21. inserting a rod; 211. an operation slot; 22. an elastic strip; 23. a lower cover; 24. a left cover; 25. a right cover; 26. a V-shaped groove; 27. an adhesive tape; 3. a light reflecting step; 31. entering a perforation hole; 32. a transparent resin; 33. mounting grooves; 34. a guide fixing groove; 35. mounting a boss; 4. a light-reflecting sheet; 41. a guide and fixing bulge; 5. a transparent protective layer; 6. a light reflecting table-board; 71. a paint cartridge; 72. a delivery pipe; 73. a guide needle plate; 731. a guide hole; 74. a drive member; 8. a spray head; 81. a nozzle body; 82. spraying a glue needle; 9. arranging a base; 91. and (4) clamping the hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses vehicle air conditioner air outlet.

Referring to fig. 1 and 2, an air outlet of an automobile air conditioner, including main part 1 and closing cap 2, main part 1 is the big end down pipe form of whole, and the inside of the great one end of main part 1 internal diameter radially is provided with an operation strip 11, main part 1 hole is established to venthole 12, the hole of the great one end of venthole 12 has reflection of light step 3 along the shaping, reflection of light step 3's inboard is along 1 axis direction downward sloping setting of main part, set up incident hole 31 that link up venthole 12 on the main part 1 lateral wall, incident hole 31 has threely, adjacent perforation 31 of going into sets up along 1 circumference interval 120 degrees of main part, every perforation 31 intussuseption is filled with transparent resin 32 simultaneously, every perforation 31 of going into corresponds a reflection of light step 3.

Referring to fig. 3, a plurality of mounting grooves 33 are formed in the reflective step 3, the mounting grooves 33 are formed in a plurality of mounting grooves 33 at equal angular intervals along the circumferential direction of the main body 1, a reflective sheet 4 capable of reflecting light is mounted in each mounting groove 33, and each reflective sheet 4 is a reflective surface for reflecting ambient light.

Referring to fig. 2 and 3, the reflective sheet 4 is a circular sheet, the mounting groove 33 is a circular groove matched with the reflective sheet 4, a part of the reflective sheet 4 is provided with a guide fixing protrusion 41 along the convex part, the guide fixing protrusion 41 is a part of an angle cut off from the cylinder, the mounting groove 33 is provided with a guide fixing groove 34 matched with the guide fixing protrusion 41 in the area close to the inner side of the reflective step 3, meanwhile, the reflective sheet 4 is fixed through hot melt adhesive, the reflective step 3 is provided with a transparent protective layer 5, the material of the transparent protective layer is consistent with that of the transparent resin 32, and therefore the reflective sheet 4 is firmly mounted.

Referring to fig. 2 and 3, the reflecting step 3 is convexly provided with a mounting protrusion 35 corresponding to the mounting groove 33, the mounting protrusion 35 is located on one side of the mounting groove 33 close to the air outlet 12, an incident groove is formed on the mounting protrusion 35, and a line connecting the incident groove and the axis of the mounting groove 33 extends linearly and can pass through the corresponding incident hole 31.

Referring to fig. 1 and 4, the closing cap 2 cartridge both can seal the venthole 12 in the venthole 12, also can shunt the air current that the air conditioner sent out, closing cap 2 can also regard as cell phone stand, closing cap 2 includes skeleton and lid, the skeleton includes inserted bar 21 and elastic strip 22, offer on the inserted bar 21 and supply the inserted operation groove 211 of operation strip 11, it is fixed to make inserted bar 21 can be fixed with 11 cartridge of operation strip, elastic strip 22 has two, the one end outer wall that operation groove 211 was offered to two elastic strip 22 one end and inserted bar 21 is integrative fixed, the elastic strip 22 other end extends the setting towards the inserted bar 21 other end, and the distance between elastic strip 22 and the inserted bar 21 increases gradually, interval between two elastic strip 22 also increases.

Referring to fig. 4, the lid is cylindrical, and the outer wall slope of lid one end is provided with the mesa and establishes to reflection of light mesa 6, and reflection of light mesa 6 is last to have also seted up a plurality of mounting grooves 33 and to install reflector panel 4 along circumference, also coats one deck transparent protective layer 5 on the reflection of light mesa 6 simultaneously.

Referring to fig. 4, the cover body comprises a lower cover 23, a left cover 24 and a right cover 25, the lower cover 23 is fixed to one end, away from the elastic strips 22, of the insertion rod 21, the left cover 24 and the right cover 25 are fixed to the two elastic strips 22 in a one-to-one correspondence mode respectively, the lower cover 23 is used for supporting the mobile phone, an adhesive tape 27 is fixed to the side wall, facing the left cover 24 and the right cover 25, of the lower cover 23 in an adhesive mode, the left cover 24 and the right cover 25 are used for clamping and fixing the mobile phone, and a V-shaped groove 26 is formed in the opposite side wall of the left cover 24 and the opposite side wall of the right cover 25 and is fixed with the adhesive tape 27 in an adhesive mode.

The embodiment of the application also discloses a production process of the air outlet of the automobile air conditioner.

Referring to fig. 5, a production process of an air outlet of an automobile air conditioner comprises the following steps:

1) the main body 1 of the air outlet, the inserted link 21 and the cover body are formed by injection molding, the corresponding reflecting step 3, the incident hole 31, the mounting groove 33, the guide fixing bulge 41 and the mounting bulge 35 are formed on the main body 1, the corresponding reflecting table surface 6 and the mounting groove 33 are formed on the cover body, and the elastic strip 22, the inserted link 21 and the cover body are mounted into the complete sealing cover 2;

2) performing surface treatment on the outer surface of the main body 1;

2.1), coarsening: etching the surface;

2.2), activating: adsorbing the conductive ion clusters;

2.3), dispergating: dissolving tin ions and releasing negative charges;

2.4), chemical nickel: chemically depositing a conductive layer;

2.5), nickel preplating: the conductive thickness is improved;

2.6), acid copper: depositing a copper layer;

2.7), semi-gloss nickel: depositing a nickel base layer;

2.8), bright nickel: depositing surface color; pearl nickel: depositing a diffuse reflection layer;

2.9), microporous nickel: deposition of a discontinuous surface layer;

2.10), hexavalent white chromium; trivalent white chromium; trivalent black chromium;

3) filling transparent resin 32 in the incident hole 31 and curing;

4) the installation groove 33 on the reflecting step 3 is filled with the reflecting sheet 4, so that a corresponding reflecting surface is formed;

4.1), filling: the reflector 4 is sprinkled from top to bottom for a plurality of times until the filling of the inner reflector 4 is observed by naked eyes, and the main body 1 and the closing cover 2 operate in the same way;

4.2), detecting: detecting through flowing liquid, wherein the liquid can adopt water, flowing water is left from the surface without the reflector 4, the flowing water flows through the surface with the reflector 4 and takes away the reflector 4 which is not well installed in the installation groove 33, the installation groove 33 without the reflector 4 needs to be supplemented at the moment, the reflector 4 which is well installed is further straightened under the flowing water operation, then the flowing water fills a gap between the reflector 4 and the bottom of the installation groove 33, hot air is blown to blow the moisture on the surface with the reflector 4, hot melt adhesive is coated on the back of the reflector 4, the hot air blows the reflector 4, the hot melt adhesive is melted, the reflector 4 is pressed in the installation groove 33 under the action of wind, and the reflector is primarily fixed by hot melting;

5) and coating a surface transparent protective layer 5.

5.1) further pressing the reflecting sheet 4;

5.2) coating a transparent protective layer 5 on the reflecting step 3 and the reflecting table top 6;

and 5.1) and 5.2) are carried out simultaneously, the nozzle of the spraying equipment is abutted against the reflective sheet 4 to be pressed and fixed, and then the transparent protective layer 5 is sprayed, so that the reflective sheet 4 is not easy to take out during coating.

Referring to fig. 6, the spraying apparatus includes a paint box 71 for storing paint, a material conveying pipe 72, a nozzle 8, a guide needle plate 73, a driving member 74 for driving the guide needle plate 73 to move, and a mounting base 9, the material conveying pipe 72 feeds the paint into the nozzle 8, the nozzle 8 includes a nozzle main body 81, a branch chamber for receiving the paint is provided in the nozzle main body 81, a plurality of glue spraying needles 82 are extended and provided at a lower side of the nozzle main body 81, the glue spraying needles 82 are arranged around a circle along a lower side wall of the nozzle main body 81, each glue spraying needle 82 is communicated with the branch chamber, and the nozzle 8 has two types for respectively adapting to the main body 1 and the sealing cover 2, the reflecting sheet 4 is pressed by the glue spraying needle 82 abutting against the reflecting sheet 4, and when pressed, a space for the paint to pass through is still provided between the glue spraying needle 82 and the reflecting sheet 4.

Referring to fig. 6 and 7, driving piece 74 adopts the cylinder, driving piece 74 is installed in the lower lateral wall of shower nozzle 8 and the piston rod extends the setting downwards, direction faller 73 is installed on the piston rod of driving piece 74, under the drive of driving piece 74, the vertical up-and-down motion of direction faller 73, the vertical guiding hole 731 that supplies glue spraying needle 82 to pass of seting up on the direction faller 73, direction faller 73 also has two kinds simultaneously, two kinds of direction faller 73 correspond main part 1 and closing cap 2 respectively, the face that corresponds the direction faller 73 of main part 1 is the circular table face that the less one end of diameter is down, the direction faller 73 that corresponds closing cap 2 is the circular table face that the great one end of diameter is down.

Referring to fig. 6, it has two kinds to settle base 9, corresponds main part 1 and closing cap 2 respectively, settles and offer centre gripping hole 91 on the base 9 and supply main part 1 or closing cap 2 to settle, and two kinds of differences of settling base 9 lie in that centre gripping hole 91 diameter is different, and closing cap 2 settles earlier on settling base 9 simultaneously, carries out the coating of transparent protective layer 5, then carries out the installation of adhesive tape 27 for it is more accurate to spout the correspondence of gluey needle 82 to reflection of light piece 4 position.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.