CN217199468U - Hard board packing box - Google Patents

Abstract

The utility model relates to a hard board packing box for placing a lens, which comprises a packing box body and a plurality of lens bearing units evenly arranged on the packing box body, wherein the lens bearing units comprise lens limiting grooves, the edge parts of the lens limiting grooves are provided with a plurality of arc-shaped bulges, and the arc-shaped bulges surround and form lens placing holes; the tail end of each lens clamping pile is vertically fixed on the inner wall of the lens limiting groove in a surrounding mode, and at least one of the surfaces, contacting the head end of any lens clamping pile and the lens, is arranged in an inclined plane. The utility model discloses a hardboard packing carton can reduce the area of contact of camera lens and camera lens chucking stake to reduce the problem that the camera lens collided with, avoided camera lens chucking stake fish tail camera lens surface coating film terminal surface, camera lens spacing groove and camera lens chucking stake carry out the position restriction to the camera lens effectively, have promoted the stability when the camera lens is placed, have stronger suitability to current camera lens, and stable in structure, non-deformable, repeatedly usable.

Description

Hard board packing box

Technical Field

The utility model relates to an optical element packing and transfer device technical field, concretely relates to hardboard packing carton.

Background

In recent years, photographing and photographing become an indispensable part of people's daily life, so that the number of photographing devices is increasing, electronic products, particularly mobile phones, notebook computers and the like, develop rapidly, and higher quality requirements are also made on lenses of the electronic products.

In order to protect the camera lens, avoid the camera lens in the storage, suffer to damage in the transportation, the camera lens that is processed is generally accomodate through the packing carton, among the prior art, generally be equipped with the camera lens fixing device that fixed camera lens was used for in the packing carton, camera lens fixing device generally includes the base and is used for fixed camera lens's upper cover with the mutual lock of base, the base generally designs into square or cuboid, the standing groove has been seted up in the centre of square and cuboid, the camera lens is placed in the standing groove, however, the packing carton of this kind of structure is at the in-process of camera lens transportation or washing, to the circular lens of preceding terminal surface coating film, produce the coating film terminal surface easily and injure and the loss yield.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hardboard packing carton to realize avoiding the coating film terminal surface to hinder, satisfy washing dust removal and non-deformable's hardboard packing's purpose.

In order to realize the above-mentioned utility model purpose, the utility model provides a hardboard packing carton for the placement of camera lens, be in including packing carton body and a plurality of even settings camera lens bearing unit on the packing carton body, arbitrary camera lens bearing unit includes:

the lens limiting groove penetrates through the packaging box body, a plurality of arc-shaped protruding parts are arranged at the edge part of the lens limiting groove, and a lens placing hole is formed by the arc-shaped protruding parts in a surrounding mode;

the tail ends of the plurality of lens clamping piles are perpendicularly fixed on the inner wall of the lens limiting groove in a surrounding mode, the lens placing hole is divided into a first lens placing hole and a second lens placing hole, and the head end of each lens clamping pile and at least one of the surfaces, in contact with the lenses, are arranged in an inclined plane.

In any one of the above technical solutions, the end of the head end of the lens clamping pile is arc-shaped, and the end surfaces of the plurality of lens clamping piles are rounded to be circular and matched with the lens.

In any of the above technical solutions, an inclination angle of a surface where the head end of the lens retaining pile contacts the lens is θ, and the range of the inclination angle is not less than 8 ° and θ <70 °.

In any of the above technical solutions, the number of the lens clamping piles is the same as that of the arc-shaped protrusions, and the positions of the lens clamping piles correspond to those of the arc-shaped protrusions up and down.

In any of the above technical solutions, the lens bearing unit is further provided with a rinsing bath.

In any one of the above technical solutions, the upper surface of the packing box body is provided with a positioning protruding strip, which is matched with the positioning groove of the lower surface of the packing box body, and the packing box body is provided with at least one fool-proof limiting structure.

In any one of the above technical solutions, the packaging box body is square, and at least two opposite edges are provided with sinking grooves.

In any of the above technical solutions, a guiding fillet is arranged on an edge of the arc-shaped protrusion part contacting with the lens.

In any of the above technical solutions, at least one inclined plane for the lens to rest on is formed on an inner wall of the second lens placement hole.

In any one of the above technical solutions, a meat escaping groove for uniform thickness is provided between the two positioning protruding strips.

Compared with the prior art, the hard plate packaging box of the utility model is used for placing the lens, and comprises a packaging box body and a plurality of lens bearing units which are evenly arranged on the packaging box body, wherein any one of the lens bearing units comprises a lens limiting groove which runs through the packaging box body, a plurality of arc-shaped protrusions are arranged at the edge part of the lens limiting groove, and the arc-shaped protrusions surround and form a lens placing hole; a plurality of camera lens chucking piles, terminal perpendicular ring is fixed in on the camera lens spacing inslot wall, will the camera lens is placed the hole and is divided into first camera lens and places the hole and the hole is placed to the second camera lens, arbitrary the head end of camera lens chucking pile with at least one of face of camera lens contact is the inclined plane setting, the utility model discloses, can reduce the area of contact of camera lens and camera lens chucking pile to reduce the problem that the camera lens collided with, avoided camera lens chucking pile fish tail camera lens surface coating film terminal surface, guarantee that vacuum packaging is not stabbed, camera lens spacing groove and camera lens chucking pile carry out the position restriction to the camera lens effectively, have promoted the stability when the camera lens is placed, have stronger suitability to current camera lens, and stable in structure, non-deformable, repeatedly usable.

Drawings

Fig. 1 schematically shows a front view of a rigid package according to an embodiment of the present invention;

FIG. 2 is a schematic reverse side view of a rigid package according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a lens holding unit of a hard board packaging box according to an embodiment of the present invention;

FIG. 4 schematically illustrates a partial cross-sectional view of a rigid package in accordance with an embodiment of the present invention;

fig. 5 is a partial cross-sectional view schematically showing a hard sheet package case according to an embodiment of the present invention when a lens is packaged;

fig. 6 is a partial cross-sectional view schematically showing a hard sheet package case according to another embodiment of the present invention when a lens is packaged;

fig. 7 is a schematic diagram illustrating a stacked structure of a rigid package box according to an embodiment of the present invention;

fig. 8 is a partial cross-sectional view schematically showing a case where a lens is packaged in a hard sheet package according to still another embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 8 is:

50. a lens; 100. a packaging box body; 101. a lens bearing unit; 102. positioning the convex strip; 103. sinking the tank; 104. direction identification chamfering; 105. a fool-proof limit structure; 202. a positioning groove; 203. escape the meat groove; 301. a lens clamping pile; 302. an arc-shaped convex part; 303. a rinsing bath; 402. a guide fillet; 503. coating a film on the lens; 601. a lens bearing part; 3021. a first lens placing hole; 3022. a second lens placing hole; A. a first bearing inclined plane; B. the second bearing inclined plane.

Detailed Description

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 embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In describing embodiments of the present invention, the terms "longitudinal," "lateral," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and other terms are used in an orientation or positional relationship shown in the associated drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, which are not repeated herein, but the present invention is not limited to the following embodiments.

Referring to fig. 1 to 8, the utility model discloses a hardboard packing box for place camera lens 50, including packing carton body 100 and a plurality of even camera lens load-bearing unit 101 that sets up on packing carton body 100, arbitrary camera lens load-bearing unit 101 includes:

a lens limiting groove penetrating through the packaging box body 100, wherein a plurality of arc-shaped protrusions 302 are arranged at the edge part of the lens limiting groove, and a lens placing hole is formed by surrounding the arc-shaped protrusions 302;

the tail ends of the plurality of lens clamping piles 301 are vertically fixed on the inner wall of the lens limiting groove in a surrounding manner, the lens placing hole is divided into a first lens placing hole 3021 and a second lens placing hole 3022, and at least one of the contact surfaces of the head end of any one of the lens clamping piles 301 and the lens 50 is arranged in an inclined plane.

In this embodiment, range upon range of use about the hardboard packing carton, through set up the camera lens spacing groove at the packing carton, and set up the camera lens in the camera lens spacing groove and place the hole, the camera lens is placed downthehole camera lens chucking pile 301 that is provided with, at least one of the face of camera lens chucking pile 301 and the contact of camera lens 50 is the face of slope, can reduce the area of contact of camera lens 50 and camera lens chucking pile 301, thereby reduce the problem that camera lens 50 collided with, avoided camera lens chucking pile 301 fish tail camera lens 50 surface coating terminal surface, guarantee that vacuum packaging is not punctured, camera lens spacing groove and camera lens chucking pile 301 carry out position restriction to camera lens 50 effectively, stability when camera lens 50 places has been promoted, have stronger suitability to current camera lens 50, and stable in structure, non-deformable, repeatedly usable.

Specifically, the hard board package boxes are stacked in multiple layers to package a large number of lenses 50 simultaneously, which is convenient for transportation, and after the upper and lower package boxes are fastened, the upper hard board package box and the lower hard board package box are fastened to form a lens 50 placing part, that is, as shown in fig. 7, the first lens placing hole 3021 of the lower hard board package box is matched with the second lens placing hole 3022 of the upper hard board package box to wrap the entire lens 50, and the lens 50 is placed in the lens placing hole, and when the lens 50 is transported and vibrated, only the edge of the lens 50 is clamped on the lens clamping pile 301, since the end surface of the lens 50 is provided with a coating film, and the edge part of the lens 50 is not provided, as shown in fig. 5, the lens on the left side in fig. 5 is normally placed, the lens on the right side in the package box is vibrated and the lens is upwardly shifted, the lens coating part 503 and the lens around the lens 50 are provided at the outer ring part without a coating film, therefore, the contact area between the lens 50 and the lens clamping pile 301 is reduced, and the coating film is prevented from being scratched.

It should be understood that when the packaging box is placed reversely, the multiple packaging boxes arranged reversely are stacked for use, and the situation that the lens on the right side is placed as shown in fig. 5 can be understood, and the lens on the left side is in a vibrating or bumpy state, so that the problem that the lens coating is scratched due to the fact that the packaging boxes are inverted can be effectively solved.

Referring to fig. 5 again, the first inclined bearing surface a is an inclined surface portion of a surface of the lens clamping pile 301 where the head end contacts the lens 50.

As shown in fig. 1 and 2, the number of the lens limiting grooves can be set to 25-100, and the maximum number of lenses 50 can be ensured to be contained on the basis of ensuring the strength of the packaging box.

In an embodiment of the present invention, preferably, the end of the head end of the lens clamping pile 301 is arc-shaped, and the end surfaces of the plurality of lens clamping piles 301 surround and form a circle adapted to the lens 50.

In this embodiment, the end of the head end of the lens clamping pile 301 is arc-shaped, so that the end surfaces of the plurality of lens clamping piles 301 are combined into a circle, and the end surfaces can be adapted to most shapes of lenses 50 on the market, thereby improving the applicability of the hard board packaging box.

Specifically, the lens limiting groove is a through hole which is through up and down, the shape of the through hole is rectangular, the arc-shaped convex part 302 comprises 4, the through hole is arranged around the lens limiting groove in a cross shape, and the inner side surfaces of the 4 arc-shaped convex parts 302 form a circular lens placing hole; similarly, the number of the lens clamping piles 301 is 4, and the lens clamping piles are arranged in a cross shape.

As shown in fig. 3, the radius R of the lens placement hole and the maximum diagonal length L of the lens limiting groove should satisfy 0.4<2R/L <0.7, which is beneficial to ensuring the structural strength of the hard board packaging box.

As shown in fig. 6, the lens on the left side in fig. 6 is placed normally, and the lens on the right side is placed after the vibration occurs to the packing box and the lens is shifted upwards, in an embodiment of the present invention, it is preferable that at least one inclined plane for the lens 50 to lean against is formed on the inner wall of the second lens placing hole 3022.

In this embodiment, by providing the inclined surface for the lens 50 to rest on the inner wall of the second lens placing hole 3022, when the lens 50 is vibrated, bumped or inverted during transportation or washing, the lens resting portion 601 of the lens 50 will rest on the inclined surface, and neither the lens coated portion 503 nor the lens uncoated portion will contact with the lens clamping pile 301, so as to effectively prevent the lens clamping pile 301 from scratching the coated end surface of the lens 50 and improve the stability of the lens 50 when placed.

It should be understood that when the packaging box is placed reversely, a plurality of reversely arranged packaging boxes are stacked for use, which can be understood as the placement condition of the lens on the right side in fig. 6, and the lens on the left side is in a vibrating or bumping state, and the problem of scratching of the lens coating caused by the inversion of the packaging box can be effectively avoided.

At least one inclined surface for the lens 50 to rest on is formed on the inner wall of the second lens placing hole 3022, and an included angle between the inclined surface and the horizontal plane is 5 ° < α <70 °, and α is preferably 10 °.

Referring to fig. 6 again, on the inner wall of any one of the second lens placing holes 3022, inclined planes of the same angle α are provided, and the lens bearing portion 601 bears on the second bearing inclined plane B for bearing lenses provided on different lens bearing units.

In this embodiment, the aperture of the second lens placing hole 3022 is smaller than that of the first lens placing hole 3021, the second lens placing hole 3022 may be provided with a projection downward, and a slope for the lens 50 to rest on may be provided on the projection.

As shown in fig. 4, in an embodiment of the present invention, preferably, the inclination angle of the contact surface between the head end of the lens clamping pile 301 and the lens 50 is θ, and the inclination angle is in the range of 8 ° ≦ θ <70 °.

In this embodiment, the range of the inclination angle is set to 8 ° or more and θ <70 °, and θ is set to 23 ° as the optimum, which can most effectively prevent the surface of the lens 50 from being scratched by the plating film.

As shown in fig. 3, in an embodiment of the present invention, it is preferable that the lens clamping piles 301 and the arc-shaped protrusions 302 are the same in number and correspond in position up and down.

In this embodiment, the number of the lens clamping piles 301 and the number of the arc-shaped protrusions 302 are the same, and the positions of the lens clamping piles 301 and the arc-shaped protrusions 302 correspond up and down, which is beneficial to ensuring the structural strength of the hard-board packaging box, the lens placing hole formed by the arc-shaped protrusions 302 is divided into a first lens placing hole 3021 and a second lens placing hole 3022 by the lens clamping piles 301, the height H2 of the first lens placing hole 3021 and the height H1 of the first lens placing hole 3021 satisfy 0.2 ≤ H1/H2 ≤ 4, and H1+ H2 ≥ H4+0.1mm of the circular lens barrel.

Specifically, the radius R of the lens placement hole, the radius SR of the circle formed by the end face of the lens retaining pin 301, the maximum diagonal length L of the lens retaining groove, R3.32 mm, SR 1.8mm, L11 mm, SR/R0.54, and 2R/L0.60.

As shown in fig. 5, after the two hard board packages are fastened together, the stacking height d is 9.6mm, the height H2 of the first lens placing hole 3021 is 2mm, the height H1 of the first lens placing hole 3021 is 2mm, the maximum thickness of the lens clamping pile 301 is H3 is 1.5mm, and the maximum thickness T of the package body 100 is H1+ H2+ H3 is 5.5 mm.

In an embodiment of the present invention, preferably, the lens bearing unit 101 is further provided with a rinsing bath 303.

In this embodiment, the number of the lens clamping piles 301 and the number of the arc-shaped protrusions 302 are the same, the positions of the lens clamping piles 301 and the arc-shaped protrusions 302 correspond up and down, the hollowed-out portions formed by the lens clamping piles 301, the arc-shaped protrusions 302 and the lens limiting grooves are the rinsing grooves 303, the lens clamping piles 301 and the arc-shaped protrusions 302 are used in a matched manner, the periphery of the lens 50 is effectively limited, the stability of the lens 50 when the lens 50 is placed is improved, and the requirements of rinsing and dust removal of the lens 50 can be met by matching with the rinsing grooves 303.

Wherein, the radius R of the lens placing hole and the maximum diagonal length L of the lens limiting groove should satisfy 0.4<2R/L <0.7, and the fluidity in the water washing process is increased as much as possible on the basis of ensuring the structural strength.

As shown in fig. 1 and 2, in an embodiment of the present invention, preferably, the upper surface of the packing box body 100 is provided with a positioning protrusion 102, which is adapted to a positioning groove 202 of the lower surface of the next packing box body 100, and the packing box body 100 is provided with at least one fool-proof limiting structure 105.

In this embodiment, the hardboard packing carton is when using, the lock setting about adopting, through be provided with location sand grip 102 at packing carton body 100's upper surface, the lower surface sets up positioning groove 202, when the multilayer piles up, the location sand grip 102 chucking of lower one deck is in last positioning groove 202, can guarantee on the one hand that the hardboard packing carton stacks according to specific direction, on the other hand, can prevent effectively that the packing carton from folding the time lens 50 knock down the slope and collide with the terminal surface to promote the stability and the reliability of hardboard packing carton.

As shown in fig. 5, the height D1 of the positioning ridge 102 may be 2.0mm, the depth D2 of the positioning groove 202 may be 2.1mm, and the height a of the portion of the lens 50 protruding out of the lens placement hole when the lens 50 is placed in the lens placement hole is 1.9mm, that is, the margin D1-a is 0.1 mm.

In addition, through being provided with at least one on packing carton body 100 and preventing slow-witted limit structure 105, can further guarantee that hardboard packing carton piles up the use according to the predetermined direction, also can avoid simultaneously when the hardboard packing carton stacks the problem such as the collision slope and the terminal surface of lens 50 and collide with.

In one embodiment of the present invention, the packing box body 100 is preferably square, and at least two opposite sides are provided with sinking grooves 103.

In this embodiment, pack body 100 is squarely, and two at least relative limits are provided with sunken groove 103, are favorable to the transport of hardboard packing carton on the one hand, and on the other hand can guarantee the intensity of hardboard packing carton, and the degree of depth D3 and the pack body 100 thickness G all around of sunken groove 103 satisfy 0< D3/G <0.6, can compromise the specific high demand of washing board.

Wherein, the thickness G around the packaging box body 100 can be set to be 5mm, and D3 can be set to be 0.9 mm.

In addition, as shown in fig. 1, at least one and at most three direction recognition chamfers 104 are provided in four corners of the square pack body 100.

In an embodiment of the present invention, preferably, the edge of the arc-shaped protrusion 302 contacting the lens 50 is provided with a guiding round corner 402.

In this embodiment, the guiding round angle 402 is arranged on the edge of the arc-shaped protruding portion 302 contacting with the lens 50, that is, the guiding round angle 402 is arranged on the edge of the lens placing hole, so that the lens 50 is prevented from falling down when the upper hard board packaging box is buckled with the lower hard board packaging box, and the stability of the hard board packaging box is improved.

As shown in fig. 8, the lens on the left side in fig. 8 is normally placed, and the lens on the right side is placed in the packing box and is vibrated, and then the lens is shifted upwards, in an embodiment of the present invention, preferably, at least one of the surfaces of the head end of any lens clamping pile 301 contacting with the lens 50 is an inclined surface, and at least one inclined surface for the lens 50 to lean against is provided on the inner wall of the second lens placing hole 3022.

In this embodiment, by providing the inclined surface for the lens 50 to lean against on the inner wall of the second lens placing hole 3022, when the lens 50 vibrates or jolts during transportation or washing, the waist of the lens 50 will lean against the inclined surface of the second lens placing hole 3022 first, and if the inclined surface is worn, the lens 50 can be limited by the inclined surface at the head end of the lens clamping pile 301, which is beneficial to further preventing the lens clamping pile 301 from scratching the surface coating end surface of the lens 50, and improving the stability of the lens 50 when placed.

It should be understood that when the packaging box is placed reversely, the packaging boxes arranged reversely are stacked for use, and the situation that the lens on the right side is placed in fig. 8 can be understood, and the lens on the left side is in a vibrating or bumpy state, so that the problem that the lens is scratched due to the fact that the packaging box is inverted can be effectively solved.

As shown in fig. 2, in an embodiment of the present invention, a meat escape groove 203 for uniform thickness is preferably provided between two positioning ribs 102.

In this embodiment, by providing the meat escape groove 203 on the hardboard packaging box, it is advantageous to even the thickness of the meat, optimizing the flatness.

In the using process, the matching state of the lens 50 and the hard board is shown in fig. 5, 6 and 7, the hard board packaging boxes are stacked, the stacking direction of the hard board packaging boxes is ensured through the direction identification chamfer 104 and the foolproof limiting structure 105, the positioning convex strip 102 on the next layer is embedded and clamped in the positioning groove 202 in the previous time, the end face is prevented from being scratched when the board is combined with the lens 50 during manual plate turning, and when the lens 50 is placed in the forward direction, the lens 50 is only supported by the lens clamping pile 301; when the lens 50 is placed in reverse phase, the lens 50 is supported by the inclined plane of the lens clamping pile 301, so that the surface of the lens 50 is effectively prevented from being scratched by a coated film.

In the transportation process, the N +1 layers of hard board packaging boxes are used and can be arranged on N layers of lenses 50 for transportation, so that the problem that the lenses 50 are scratched is effectively solved.

The utility model discloses a hard board packing box for placing lens, including packing carton body and a plurality of lens bearing unit that evenly set up on the packing carton body, arbitrary lens bearing unit is including the lens spacing groove that link up the packing carton body, and lens spacing groove edge part is provided with a plurality of arcuation bellyings, and a plurality of arcuation bellyings encircle and form the lens and place the hole; the tail ends of the plurality of lens clamping piles are perpendicularly fixed on the inner wall of the lens limiting groove in a surrounding mode, the lens placing hole is divided into a first lens placing hole and a second lens placing hole, and at least one of the head end of any one lens clamping pile and the contact surface of the lens is arranged in an inclined plane. The utility model discloses, can reduce the area of contact of camera lens and camera lens chucking stake to reduce the problem that the camera lens collided with, avoided the stake fish tail camera lens surface coating film terminal surface of camera lens chucking, guarantee that vacuum packaging is not stabbed, camera lens spacing groove and camera lens chucking stake carry out position restriction to the camera lens effectively, have promoted the stability when the camera lens is placed, have stronger suitability to current camera lens, and stable in structure, non-deformable, repeatedly usable.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The above description is only one embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (15)

1. The utility model provides a hardboard packing carton for place camera lens (50), includes packing carton body (100) and a plurality of even setting are in camera lens bearing unit on the packing carton body, its characterized in that, arbitrary camera lens bearing unit includes:

the lens limiting groove penetrates through the packaging box body, a plurality of arc-shaped protrusions (302) are arranged at the edge part of the lens limiting groove, and the arc-shaped protrusions surround to form a lens placing hole;

the tail ends of the lens clamping piles (301) are vertically fixed on the inner wall of the lens limiting groove in a surrounding mode, and the lens placing hole is divided into a first lens placing hole (3021) and a second lens placing hole (3022).

2. Hard board package box according to claim 1, characterized in that at least one of the lens clamping piles (301) is inclined.

3. The hard board packaging case according to claim 1, wherein the second lens receiving hole has at least one inclined surface on an inner wall thereof for receiving the lens.

4. The hard board packaging box according to claim 2, wherein the end of the head end of the lens clamping pile is arc-shaped, the end surfaces of the plurality of lens clamping piles are rounded to form a circle matched with the lens, the number of the lens clamping piles is the same as that of the arc-shaped protrusions, and the positions of the lens clamping piles correspond to those of the arc-shaped protrusions up and down.

5. The hard sheet package box of claim 2, wherein the inclination angle of the contact surface of the head end of the lens retaining pile and the lens is θ, and the inclination angle is in the range of 8 ° to θ <70 °.

6. The hard-board packaging box according to claim 1, wherein the lens carrying unit is further provided with a rinsing bath (303).

7. A carton according to claim 1, characterized in that the upper surface of the pack body is provided with a positioning rib (102) adapted to a positioning groove (202) of the lower surface of the next pack body, and the pack body is provided with at least one foolproof limiting structure (105).

8. A carton according to claim 1, characterized in that the pack body is square and at least two opposite sides are provided with a sink groove (103).

9. The hard plate package box according to claim 1, wherein the arc radius R of the arc-shaped convex portion (302) and the maximum diagonal length L of the square lens retaining groove satisfy the following relationship: 0.4<2R/L < 0.7.

10. A hard board package box according to claim 4, wherein the end faces of the plurality of lens clamping piles (301) are rounded to form a circle matched with the lens, the radius SR of the circle is smaller than the radius of the front end face of the lens, and the radius SR of the circle and the radius R of the arc-shaped bulge part (302) satisfy the following relation: 0.5< SR/R < 0.95.

11. A hardboard package according to claim 1, wherein the height H2 of the first lens placing hole (3021) and the height H1 of the second lens placing hole (3022) satisfy the following relationship: H1/H2 is more than or equal to 0.2 and less than or equal to 4, and H1+ H2 is more than or equal to the height of the lens and is more than or equal to +0.1 mm.

12. A carton as claimed in claim 7, characterized in that the height D1 of said positioning rib (102) and the depth D2 of said positioning groove (202) satisfy the following relationship: 0.8< D1/D2 < 1.

13. A hardboard package according to claim 3, wherein the inner wall of the second lens receiving aperture has at least one inclined surface for the lens to rest on at an angle α in the range of 5 ° < α <70 °.

14. Hard-board package according to claim 1, characterized in that the number of lens-bearing units provided on any one of the package bodies (100) is 25-100.

15. Cardboard packaging box according to claim 8, characterized in that the depth D3 of the sink groove (103) and the peripheral thickness G of the packaging box body (100) satisfy the following relationship: 0< D3/G < 0.6.

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