CN109040399A - Mobile phone shell and preparation method thereof with anti-dropping protection function - Google Patents
Mobile phone shell and preparation method thereof with anti-dropping protection function Download PDFInfo
- Publication number
- CN109040399A CN109040399A CN201811104380.8A CN201811104380A CN109040399A CN 109040399 A CN109040399 A CN 109040399A CN 201811104380 A CN201811104380 A CN 201811104380A CN 109040399 A CN109040399 A CN 109040399A
- Authority
- CN
- China
- Prior art keywords
- mobile phone
- phone shell
- protective layer
- main body
- protruding portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
- H04M1/185—Improving the rigidity of the casing or resistance to shocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
Abstract
A kind of mobile phone shell and its manufacturing method with anti-dropping protection function; the mobile phone shell includes the mobile phone shell main body that can be sleeved on outside mobile phone; mobile phone shell main body is equipped with the accommodating cavity of accommodating mobile phone; protective layer is equipped on the side surface of mobile phone shell main body being away from each other with accommodating cavity; protective layer is equipped with recessed portion and protruding portion; recessed portion is arranged with the protruding portion interval and makes the outer surface of protective layer uneven, and the thickness of protruding portion is greater than recessed portion, and protruding portion is fabricated from a flexible material.The recessed portion is very thin, hardly increases the thickness of mobile phone shell, because of the heavy sense without increasing mobile phone shell.The protruding portion is slightly above the recessed portion, it forms rough surface, and it is more soft, comfortable feel, with waterproofness, and there is buffer function, not only can be improved holds power, prevents mobile phone from sliding from user hand, even if mobile phone falls, if the mobile phone shell back side preferentially can play buffer function with ground face contact, thus prevent mobile phone screen shatter towards ground, protruding portion.
Description
[technical field]
The present invention relates to mobile phone shell, in particular to a kind of mobile phone shell and preparation method thereof with anti-dropping protection function.
[background technique]
With advances in technology with people's expanding economy, smart phone has become a kind of essential electricity of modern
Sub- equipment.The touch screen of smart phone, it is more fragile, it is easy to break when mobile phone falls.And in actual use, touch screen is broken
Splitting is one of the problem of smart phone is most often met in.And touch screen is replaced, cost is larger, accordingly, it is desirable to keep away
Exempt from mobile phone screen to fall broken and cause economic loss.To prevent the touch screen of mobile phone because falling due to fragmentation, people would generally give mobile phone
Stick rupture pressure disc.On the other hand, people can also put on the phone with protective shell, to play a certain protective role.In understanding and considerate situation,
If being touch screen when mobile phone falls towards ground, and when ground is harder, regardless of mobile phone is either with or without patch rupture pressure disc, touch screen equally can be broken
It splits, because rupture pressure disc is also only a thin layer of glass or PC material, can play the role of limited.If mobile phone is equipped with guarantor
Protective case, when mobile phone falls period touch screen towards ground, since the edge of protective shell not can be significantly hotter than screen usually, thus even if hand
Machine is cased with protective shell, and screen can equally be hit and fragmentation because of with stiff dough.Therefore, for mobile phone, as long as being when falling
Screen is towards ground, and screen is substantially all meeting fragmentation, thus is protected from screen front, and role is limited.
In practice, when mobile phone falls, if mobile phone back towards ground, screen whether fragmentation, then depend on the circumstances.If hand
Shock dynamics is larger when machine falls, even mobile phone back lands, mobile phone screen equally can be shatter.And if mobile phone shock when falling
Dynamics is smaller, and when mobile phone back lands, mobile phone screen then can be intact.It therefore, is screen when preventing mobile phone from falling as far as possible
Curtain fragmentation, when should guard against mobile phone back towards ground the case where screen fragmentation, screen shatter situation when preventing mobile phone back towards ground.
Existing mobile phone shell is all mainly hard shell, no buffer function, when mobile phone falls, even the mobile phone shell back side
It first lands, can not equally play a protective role and screen can be made shatter.In addition, also have part soft silica gel shell in the market,
Opposite hard shell is softer, and still, thickness is directly proportional to buffer strength, and thicker soft shell, the buffer protection that can be played just is got over
By force；And thinner soft shell, the buffer function that can be played are just very limited, and it is shatter not can avoid mobile phone screen.Therefore, for
Existing soft shell can not accomplish that beauty is laid equal stress on defencive function, and the soft shell that can be played a protective role, whole heaviness can not obtain
Like to user.
It on the other hand, is fundamentally to need to prevent mobile phone from falling to prevent mobile phone screen shatter.To prevent mobile phone from making
Used time slides, and is that finger ring is installed on the mobile phone shell back side under normal conditions, and finger is inserted in finger ring by when use, to prevent mobile phone
It slides.Although finger ring can prevent mobile phone from falling, it protrudes from the mobile phone shell back side, when need to by mobile phone place on the table
When, it will make mobile phone that can not lay flat.Therefore, although finger ring can be with shatter-resistant, there is also certain inconvenient for use.
In conclusion currently there are mobile phone shell, be primarily present following defect:
1, expected requirement is not achieved in antidetonation and shatter-resistant performance；
2, it has a single function, other anti-skidding, convenient and aesthetic requirements cannot be taken into account while pursuing anti-seismic performance.
[summary of the invention]
Present invention seek to address that the above problem, and one kind is provided, antidetonation, shatter-resistant performance, and the tool of good appearance can be improved
There is the mobile phone shell of anti-dropping protection function.
To achieve the above object, the present invention provides a kind of mobile phone shells with anti-dropping protection function, which is characterized in that its
Including the mobile phone shell main body that can be sleeved on outside mobile phone, the mobile phone shell main body is equipped with the accommodating cavity of accommodating mobile phone, in the mobile phone
The side surface of shell main body being away from each other with the accommodating cavity is equipped with protective layer, and the protective layer is equipped with recessed portion and protrusion
Portion, the recessed portion are arranged with the protruding portion interval and make the outer surface of the protective layer uneven, the protrusion
The thickness in portion is greater than the recessed portion, and the protruding portion is fabricated from a flexible material.
Further, the protruding portion of the protective layer with a thickness of 2~3mm, the recessed portion with a thickness of 0.5~
0.8mm。
Further, the recessed portion and the protruding portion are integrally formed and form the protective layer.
Further, the protective layer is formed by the compound one layer of cladding of foamed material of sheet.
Further, the mobile phone shell main body includes flat backboard portion and the enclosing part for being enclosed in backboard portion edge,
Form the accommodating cavity between the enclosing part and the backboard portion, the protective layer be set to the backboard portion with accommodating cavity phase
On the side surface deviated from.
Further, the recessed portion is in solid shape, and the protruding portion is in solid shape or hollow shape.
Further, the protective layer is compound in the surface of the mobile phone shell main body by hot pressing.
Further, the recessed portion is arranged along two-dimensional helical line mode respectively with the protruding portion, and the recessed portion
With the protruding portion uniform intervals.
In addition, the present invention also provides a kind of production methods of mobile phone shell with anti-dropping protection function, which is characterized in that its
The following steps are included:
S1, the mobile phone shell main body is processed；
S2, the protective layer is processed by hot press forming technology, so that a side surface of protective layer is in plane, side table
Face is equipped with the protruding portion and recessed portion and is in roughness；
S3, being placed in the back surface of the mobile phone shell main body in a planar side surface by the protective layer,
Thereafter by heat pressing process protective layer is compound on the surface of the protective shell main body and is combined together.
Further, the step S2 includes:
S21, the thin slice that EVA foamed material is cut into 2~4mm thickness, or choose the EVA foaming thin sheet of 2~4mm thickness；
S22, thin skin material is bonded on EVA foaming thin sheet with adhesive；
S23, it is cut according to the size of mobile phone shell main body back surface, is cut rectangular unit sheet；
S24, hot pressing is carried out to unit sheet using being printed on the mold to match with the recessed portion and protruding portion lines,
The thin skin material side machine-shaping of unit sheet goes out concave convex texture, and hot pressing temperature is 150~170 DEG C, and pressure is 8~12KN,
Hot pressing time is 50~60 seconds.
S25, cutting repairing type is carried out to the unit sheet for molding concave convex texture, is cut into and mobile phone shell main body back side
The consistent round rectangle of surface size.
Further, step S3 includes:
S31, in the protective layer in coating hot-melt adhesive on a planar side surface；
S32, protective layer is placed in the back surface of the mobile phone shell main body；
S33, hot pressing is carried out to it using being printed on the mold to match with the recessed portion and protruding portion lines, so that described
Protective layer is combined together with mobile phone shell main body；When hot pressing, temperature is 130~150 DEG C, and pressure is 1.5~2.5KN, hot pressing
Time is 8~12 seconds.
Intentional contribution of the invention is, efficiently solves the above problem.It is of the invention with anti-dropping protection function
Mobile phone shell comprising mobile phone shell main body and protective layer, protective layer are compound on the mobile phone shell main body back side, which is equipped with recessed portion
With soft protruding portion.The recessed portion is very thin, hardly increases the thickness of mobile phone shell, because without increasing the stupid of mobile phone shell
Double infection.The protruding portion is slightly above the recessed portion, forms rough surface, and it is more soft, and there is buffering to make
With not only can be improved holds power, prevents mobile phone from sliding from user hand, and even if when mobile phone falls, if mobile phone shell is carried on the back
Face ground, protruding portion can preferentially with ground face contact and play buffer function, thus prevent mobile phone screen shatter.In addition,
The recessed portion and the protruding portion uniform intervals are arranged, overall beautiful, and do not influence mobile phone and lay flat.Of the invention has
The mobile phone shell of anti-dropping protection function has the characteristics that structure is simple, easy to manufacture, comfortable feel, is greatly improved mobile phone
Shatter-resistant performance, and have very strong shock resistance, can avoid mobile phone screen it is shatter, it has strong practicality, preferably energetically
It promotes.
[Detailed description of the invention]
Fig. 1 is overall structure decomposition diagram of the invention.
Fig. 2 is overall structure cross-sectional view of the invention.
Fig. 3 is the floor map of protective layer 20.
Mobile phone shell main body 10, accommodating cavity 11, backboard portion 12, enclosing part 13, protective layer 20, recessed portion 21, protruding portion 22, suede
Layer of cloth 30.
[specific embodiment]
The following example is that of the invention is explained further and being supplemented, and is not limited in any way to the present invention.
Embodiment 1
The present embodiment introduces the mobile phone shell with anti-dropping protection function of the invention comprising mobile phone shell main body 10 and protection
Layer 20.In addition, it may also include flannelette napped fabric layer 30.
For being sleeved on outside mobile phone, shape, size can carry out the mobile phone shell main body 10 according to shape, the size of mobile phone
Setting.The mobile phone shell main body 10 includes flat backboard portion 12 and the enclosing part 13 for being enclosed in 12 edge of backboard portion, described
The accommodating cavity 11 is formed between enclosing part 13 and the backboard portion 12, the accommodating cavity 11 is for accommodating mobile phone.In addition, institute
State enclosing part 13, backboard portion 12 be equipped with corresponding hole location, thus do not interfere, do not influence mobile phone each component function performance,
For example, being equipped with several key holes, data line jack etc. in enclosing part 13, camera shooting head bore is equipped in backboard portion 12.The hole
Position is configured according to the structure of mobile phone, and the present embodiment is not limited and is discussed in detail.The backboard portion 12 with it is described
Enclosing part 13 is also possible to link together either integrated molding.In the present embodiment, the backboard portion 12 and the enclosing
Portion 13 is integrally formed, and is formed by plastic-injection moulding process, be can refer to the processing technology of existing hard shell mobile phone shell.
In other embodiments, the backboard portion 12 can be independent removable component with the enclosing part 13 and be assembled together.
To sum up, the structure of the mobile phone shell main body 10 can refer to well-known technique, set according to the concrete shape of specific mobile phone
It sets, shell thickness can be very thin without will affect whole antidetonation shatter-resistant performance.
Certain buffer function is played when to guarantee that mobile phone falls and prevents screen fragmentation, in the mobile phone shell main body 10
Back surface is equipped with protective layer 20.Specifically, on the side surface of the mobile phone shell main body 10 being away from each other with accommodating cavity 11
Equipped with protective layer 20.In the present embodiment, the protective layer 20 is preferably disposed on all surfaces of the backboard portion 12.
The protective layer 20 is compound on the surface of the mobile phone shell main body 10 and links into an integrated entity with mobile phone shell main body 10.
The protective layer 20 is equipped with recessed portion 21 and protruding portion 22, and the recessed portion 21 and the protruding portion 22 interval are arranged.It is described
Recessed portion 21 is different with the thickness of protruding portion 22 so that protruding portion 22 is higher than recessed portion 21, so that protective layer 20 is outer
Side surface is uneven.The very thin thickness of the recessed portion 21, about 0.5~0.8mm, the integral thickness phase of the protruding portion 22
It is thicker to recessed portion 21, it is about 2~3mm.In the present embodiment, the thickness of the recessed portion 21 is preferably 0.7mm, the protrusion
The thickness in portion 22 is preferably 2.5mm.In addition, the protruding portion 22 is fabricated from a flexible material, not only there is soft feel, and
And when the mobile phone shell back side is fallen towards ground, it can play a protective role.
The recessed portion 21 is solid construction, and the protruding portion 22 is either solid construction, is also possible to hollow structure.
In the present embodiment, the protruding portion 22 is preferably solid construction, is more readily processed manufacture.
The recessed portion 21 is with the protruding portion 22 either integrated molding, is also possible to be fixed together.This
In embodiment, the recessed portion 21 is integrally formed with the protruding portion 22, is combined with each other simultaneously by foamed material and thin skin material
It is formed through hot pressing.The foamed material is preferably EVA material, and thickness is about 2~4mm, preferably 3mm, in foamed material
A side surface on compound one layer of thin skin material, then carry out hot pressing using mold, can be formed equipped with the recessed portion 21 with it is prominent
The protective layer 20 in portion 22 out.The recessed portion 21 is very thin, fits together with the surface of mobile phone shell main body 10 without obvious
Increase the thickness of mobile phone shell.The 22 whole opposing recesses portion 21 of protruding portion is thicker, has soft feel, can be improved
The use feeling of user, and it forms rough lines with recessed portion 21, can be improved and holds power, prevents mobile phone from user
It is slid in hand；In addition, even if mobile phone falls, if the mobile phone shell back side, towards ground, protruding portion 22 can preferentially be played with ground face contact
Buffer function to avoid hard contact and damage screen, and then plays a protective role.In addition, the outer layer of protective layer 20 is skin
Material, can also have waterproof performance.
From entirety, the entire surface of the recessed portion 21 is lower than the surface of the protruding portion 22.It is described in the present embodiment
In planar, all surfaces are generally aligned in the same plane on the surface of recessed portion 21.The protruding portion 22 is in arc surfaced, both sides edge
Respectively with 21 natural sparse model of recessed portion, top is higher than the surface of the recessed portion 21 and is in standing shape.
The recessed portion 21 of the protective layer 20 and the shape of protruding portion 22 can need according to beauty and be arranged, and be not limited to that
A certain specific lines.In the present embodiment, to guarantee the simple and beautiful of mobile phone shell, the recessed portion 21 and the protruding portion 22
It is arranged respectively along two-dimensional helical line mode, and the recessed portion 21 and 22 uniform intervals of protruding portion, whole proportion
About half area of about 1:1, i.e., the described protective layer 20 are equipped with the protruding portion 22.In other embodiments, the protrusion
The laying area in portion 22 should reach 1/3 or so of the protective layer area as far as possible, to guarantee the aesthetics and antidetonation of mobile phone shell
Shatter-resistant performance.
In addition, for the surface of protection mobile phone, in the side surface of the mobile phone shell main body 10 being away from each other with protective layer 20
It is equipped with flannelette napped fabric layer 30.The flannelette napped fabric layer 30 is located in the accommodating cavity 11, when mobile phone is packed into mobile phone shell, the flannelette napped fabric layer
30 contact with the fitting of the back side of mobile phone.The flannelette napped fabric layer 30 can be selected well known flannelette and is adhered to the mobile phone in a manner of gluing
In shell main body 10.
Take this, just form the mobile phone shell with anti-dropping protection function of the invention comprising mobile phone shell main body 10 and guarantor
Sheath 20, the protective layer 20 are equipped with recessed portion 21 and soft protruding portion 22, can not only prevent from sliding, but also when mobile phone falls
When falling, protruding portion 22 preferentially can play buffer function with ground face contact, thus prevent mobile phone screen shatter.Of the invention
Having the characteristics that the mobile phone shell of anti-dropping protection function has that structure is simple, easy to manufacture, comfortable feel, and has very strong
Antidetonation shatter-resistant performance, it has strong practicality, preferably widelys popularize.
Embodiment 2
The present embodiment provides a kind of production methods of mobile phone shell with anti-dropping protection function.This method includes following step
It is rapid:
S1, the mobile phone shell main body is processed；In the step, plastic-injection moulding process can be used to process the mobile phone
Shell main body, concrete technology condition and processing step, can refer to well-known technique, for example, hard shell mobile phone shell in the prior art plus
Work technique etc..In the present embodiment, the mobile phone shell main body is formed by TPU+ABS material injection.
S2, the protective layer is processed by hot press forming technology, so that a side surface of protective layer is in plane, side table
Face is equipped with the protruding portion and recessed portion and is in roughness；Specifically, it is the following steps are included: choose the EVA hair of 2mm thickness
Thin slice is steeped, or is cut into the EVA foaming thin sheet of 2mm thickness using existing EVA foamed material；Then use adhesive will
Thin skin material is bonded on a side surface of EVA foaming thin sheet, so that EVA foaming thin sheet is combined with each other with thin skin material.Thereafter root
Its entirety is cut according to the size of mobile phone shell main body back surface, is cut rectangular unit sheet, such as 75mm*
The unit sheet of 155mm.It will cut to be put into hot pressing die in the unit sheet of fritter and squeeze, the one of unit sheet
Protruding portion and the alternate concave convex texture of recessed portion are formed on side surface.Should during, be pre-printed on hot pressing die with it is described
The concave convex texture that protruding portion and recessed portion lines match when hot pressing, carries out temperature-pressure to hot pressing die, it is made to be pressed in unit
The thin skin material side of sheet material, to mold the concave convex texture consistent with recessed portion with the protruding portion on unit sheet.
When hot pressing, hot pressing temperature is 160 DEG C, extruding force 10KN, and extrusion time is 55 seconds.Finally, to the list for molding concave convex texture
First sheet material carries out cutting repairing type, is cut into the round rectangle consistent with mobile phone shell main body back surface size, thus
To the protective layer.
S3, being placed in the back surface of the mobile phone shell main body in a planar side surface by the protective layer,
Thereafter by heat pressing process protective layer is compound on the surface of the protective shell main body and is combined together.Specifically, should
Step includes: to fix on the lower mold for be placed on mobile phone shell main body hot-press equipment, then in the protective layer in plane
Coating hot-melt adhesive on one side surface of shape, and place it in the back surface of mobile phone shell main body；Thereafter upper mold pair is used
Protective layer carries out hot pressing, so that protective layer is combined together with mobile phone shell main body.During being somebody's turn to do, it is printed on upper mold and the guarantor
The lines that the concave convex texture of sheath matches is pressed on the protective layer and presses, and hot pressing temperature is 140 DEG C, pressure
For 2KN, hot pressing time is 10 seconds.After the completion of hot pressing, the mobile phone shell with anti-dropping protection function of the invention can be obtained.Into one
Step, well known technique also can be used, be bonded one layer of flannelette napped fabric layer in the inner surface of the mobile phone shell main body.
Embodiment 3
The present embodiment provides a kind of production methods of mobile phone shell with anti-dropping protection function.This method includes following step
It is rapid:
S1, the mobile phone shell main body is processed；In the step, plastic-injection moulding process can be used to process the mobile phone
Shell main body, concrete technology condition and processing step, can refer to well-known technique, for example, hard shell mobile phone shell in the prior art plus
Work technique etc..In the present embodiment, the mobile phone shell main body is formed by TPU+ABS material injection.
S2, the protective layer is processed by hot press forming technology, so that a side surface of protective layer is in plane, side table
Face is equipped with the protruding portion and recessed portion and is in roughness；Specifically, it is the following steps are included: choose the EVA hair of 3mm thickness
Thin slice is steeped, or is cut into the EVA foaming thin sheet of 3mm thickness using existing EVA foamed material；Then use adhesive will
Thin skin material is bonded on a side surface of EVA foaming thin sheet, so that EVA foaming thin sheet is combined with each other with thin skin material.Thereafter root
Its entirety is cut according to the size of mobile phone shell main body back surface, is cut rectangular unit sheet, such as 75mm*
The unit sheet of 155mm.It will cut to be put into hot pressing die in the unit sheet of fritter and squeeze, the one of unit sheet
Protruding portion and the alternate concave convex texture of recessed portion are formed on side surface.Should during, be pre-printed on hot pressing die with it is described
The concave convex texture that protruding portion and recessed portion lines match when hot pressing, carries out temperature-pressure to hot pressing die, it is made to be pressed in unit
The thin skin material side of sheet material, to mold the concave convex texture consistent with recessed portion with the protruding portion on unit sheet.
When hot pressing, hot pressing temperature is 150 DEG C, extruding force 12KN, and extrusion time is 50 seconds.Finally, to the list for molding concave convex texture
First sheet material carries out cutting repairing type, is cut into the round rectangle consistent with mobile phone shell main body back surface size, thus
To the protective layer.
S3, being placed in the back surface of the mobile phone shell main body in a planar side surface by the protective layer,
Thereafter by heat pressing process protective layer is compound on the surface of the protective shell main body and is combined together.Specifically, should
Step includes: to fix on the lower mold for be placed on mobile phone shell main body hot-press equipment, then in the protective layer in plane
Coating hot-melt adhesive on one side surface of shape, and place it in the back surface of mobile phone shell main body；Thereafter upper mold pair is used
Protective layer carries out hot pressing, so that protective layer is combined together with mobile phone shell main body.During being somebody's turn to do, it is printed on upper mold and the guarantor
The lines that the concave convex texture of sheath matches is pressed on the protective layer and presses, and hot pressing temperature is 130 DEG C, pressure
For 2.5KN, hot pressing time is 8 seconds.After the completion of hot pressing, the mobile phone shell with anti-dropping protection function of the invention can be obtained.Into
One step, well known technique also can be used, be bonded one layer of flannelette napped fabric layer in the inner surface of the mobile phone shell main body.
Embodiment 4
The present embodiment provides a kind of production methods of mobile phone shell with anti-dropping protection function.This method includes following step
It is rapid:
S1, the mobile phone shell main body is processed；In the step, plastic-injection moulding process can be used to process the mobile phone
Shell main body, concrete technology condition and processing step, can refer to well-known technique, for example, hard shell mobile phone shell in the prior art plus
Work technique etc..In the present embodiment, the mobile phone shell main body is formed by TPU+ABS material injection.
S2, the protective layer is processed by hot press forming technology, so that a side surface of protective layer is in plane, side table
Face is equipped with the protruding portion and recessed portion and is in roughness；Specifically, it is the following steps are included: choose the EVA hair of 4mm thickness
Thin slice is steeped, or is cut into the EVA foaming thin sheet of 4mm thickness using existing EVA foamed material；Then use adhesive will
Thin skin material is bonded on a side surface of EVA foaming thin sheet, so that EVA foaming thin sheet is combined with each other with thin skin material.Thereafter root
Its entirety is cut according to the size of mobile phone shell main body back surface, is cut rectangular unit sheet, such as 75mm*
The unit sheet of 155mm.It will cut to be put into hot pressing die in the unit sheet of fritter and squeeze, the one of unit sheet
Protruding portion and the alternate concave convex texture of recessed portion are formed on side surface.Should during, be pre-printed on hot pressing die with it is described
The concave convex texture that protruding portion and recessed portion lines match when hot pressing, carries out temperature-pressure to hot pressing die, it is made to be pressed in unit
The thin skin material side of sheet material, to mold the concave convex texture consistent with recessed portion with the protruding portion on unit sheet.
When hot pressing, hot pressing temperature is 170 DEG C, extruding force 8KN, and extrusion time is 60 seconds.Finally, to the unit for molding concave convex texture
Sheet material carries out cutting repairing type, is cut into the round rectangle consistent with mobile phone shell main body back surface size, to obtain
The protective layer.
S3, being placed in the back surface of the mobile phone shell main body in a planar side surface by the protective layer,
Thereafter by heat pressing process protective layer is compound on the surface of the protective shell main body and is combined together.Specifically, should
Step includes: to fix on the lower mold for be placed on mobile phone shell main body hot-press equipment, then in the protective layer in plane
Coating hot-melt adhesive on one side surface of shape, and place it in the back surface of mobile phone shell main body；Thereafter upper mold pair is used
Protective layer carries out hot pressing, so that protective layer is combined together with mobile phone shell main body.During being somebody's turn to do, it is printed on upper mold and the guarantor
The lines that the concave convex texture of sheath matches is pressed on the protective layer and presses, and hot pressing temperature is 150 DEG C, pressure
For 1.5KN, hot pressing time is 12 seconds.After the completion of hot pressing, the mobile phone shell with anti-dropping protection function of the invention can be obtained.Into
One step, well known technique also can be used, be bonded one layer of flannelette napped fabric layer in the inner surface of the mobile phone shell main body.
Although being disclosed by above embodiments to the present invention, the scope of the invention is not limited to this,
Under conditions of present inventive concept, above each component can with technical field personnel understand similar or equivalent element come
Replacement.
Claims (11)
1. a kind of mobile phone shell with anti-dropping protection function, which is characterized in that it includes the mobile phone shell master that can be sleeved on outside mobile phone
Body (10), the mobile phone shell main body (10) are equipped with the accommodating cavity (11) of accommodating mobile phone, in the mobile phone shell main body (10) and institute
It states the side surface that accommodating cavity (11) is away from each other and is equipped with protective layer (20), the protective layer (20) is equipped with recessed portion (21) and prominent
Portion (22) out, the recessed portion (21) and the protruding portion (22) interval are arranged and make the outer surface of the protective layer (20)
Uneven, the thickness of the protruding portion (22) is greater than the recessed portion (21), and the protruding portion (22) is by flexible material system
At.
2. as described in claim 1 with the mobile phone shell of anti-dropping protection function, which is characterized in that the protective layer (20) is dashed forward
Out portion (22) with a thickness of 2~3mm, the recessed portion (21) with a thickness of 0.5~0.8mm.
3. as described in claim 1 with the mobile phone shell of anti-dropping protection function, which is characterized in that the recessed portion (21) and institute
Protruding portion (22) are stated to be integrally formed and form the protective layer (20).
4. as described in claim 1 with the mobile phone shell of anti-dropping protection function, which is characterized in that the protective layer (20) is by piece
The compound one layer of cladding of the foamed material of shape and formed.
5. as described in claim 1 with the mobile phone shell of anti-dropping protection function, which is characterized in that the mobile phone shell main body (10)
Including flat backboard portion (12) and be enclosed in the enclosing part (13) at backboard portion (12) edge, the enclosing part (13) with it is described
Formed between backboard portion (12) accommodating cavity (11), the protective layer (20) be set to the backboard portion (12) and accommodating cavity
(11) on the side surface being away from each other.
6. as described in claim 1 with the mobile phone shell of anti-dropping protection function, which is characterized in that the recessed portion (21) is in real
Heart shaped, the protruding portion (22) are in solid shape or hollow shape.
7. as described in claim 1 with the mobile phone shell of anti-dropping protection function, which is characterized in that the protective layer (20) passes through
Hot pressing is compound in the surface of the mobile phone shell main body (10).
8. as described in claim 1 with the mobile phone shell of anti-dropping protection function, which is characterized in that the recessed portion (21) and institute
Protruding portion (22) is stated to be arranged along two-dimensional helical line mode respectively, and the recessed portion (21) and the protruding portion (22) uniformly between
Every.
9. a kind of production method of the mobile phone shell with anti-dropping protection function as described in claim 1 to 8 any one, special
Sign is comprising following steps:
S1, the mobile phone shell main body is processed；
S2, the protective layer is processed by hot press forming technology, so that a side surface of protective layer is in plane, a side surface is set
There are the protruding portion and recessed portion and is in roughness；
S3, being placed in the back surface of the mobile phone shell main body in a planar side surface by the protective layer, thereafter
By heat pressing process protective layer is compound on the surface of the protective shell main body to be combined together.
10. the production method of the mobile phone shell with anti-dropping protection function as claimed in claim 9, which is characterized in that the step
Suddenly S2 includes:
S21, the thin slice that EVA foamed material is cut into 2~4mm thickness, or choose the EVA foaming thin sheet of 2~4mm thickness；
S22, thin skin material is bonded on EVA foaming thin sheet with adhesive；
S23, it is cut according to the size of mobile phone shell main body back surface, is cut rectangular unit sheet；
S24, hot pressing is carried out to unit sheet using being printed on the mold to match with the recessed portion and protruding portion lines, in unit
The thin skin material side machine-shaping of sheet material goes out concave convex texture, and hot pressing temperature is 150~170 DEG C, and pressure is 8~12KN, hot pressing
Time is 50~60 seconds.
S25, cutting repairing type is carried out to the unit sheet for molding concave convex texture, is cut into and mobile phone shell main body back surface
The consistent round rectangle of size.
11. the production method of the mobile phone shell with anti-dropping protection function as claimed in claim 8, which is characterized in that step S3
Include:
S31, in the protective layer in coating hot-melt adhesive on a planar side surface；
S32, protective layer is placed in the back surface of the mobile phone shell main body；
S33, hot pressing is carried out to it using being printed on the mold to match with the recessed portion and protruding portion lines, so that the protection
Layer is combined together with mobile phone shell main body；When hot pressing, temperature is 130~150 DEG C, and pressure is 1.5~2.5KN, hot pressing time
It is 8~12 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811104380.8A CN109040399A (en) | 2018-09-21 | 2018-09-21 | Mobile phone shell and preparation method thereof with anti-dropping protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811104380.8A CN109040399A (en) | 2018-09-21 | 2018-09-21 | Mobile phone shell and preparation method thereof with anti-dropping protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109040399A true CN109040399A (en) | 2018-12-18 |
Family
ID=64617284
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811104380.8A Pending CN109040399A (en) | 2018-09-21 | 2018-09-21 | Mobile phone shell and preparation method thereof with anti-dropping protection function |
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