KR101346215B1 - Protection case for a cellphone - Google Patents

Abstract

According to an aspect of the present invention, there is provided a mobile phone protective case including a screen portion, a bottom portion, and an edge portion, wherein a main surface thereof corresponds to a shape of the bottom portion, and includes a first region formed of a first material and the first portion. A second area formed extending from the area and corresponding to the shape of the edge portion, the second area formed of the first material or the second material, and extending from the second area, and an extended end portion of the screen part And a third area formed to cover a portion of one surface of the cellular phone.

Description

Phone Protective Cases {PROTECTION CASE FOR A CELLPHONE}

The present invention relates to a mobile phone protective case, and more particularly, to a mobile phone protective case which is extremely easy to attach and detach the mobile phone.

With the recent development of communication technology, the spread of mobile phones has become common, and most people have mobile phones. In addition, while the wireless Internet function and the high-spec touch screen method has become commonplace, mobile phones have become an expensive device, which functions not only as a communication means but also as an accessory.

In line with this trend, the demand for accessory products that further enhance the aesthetics of mobile phones and protect the surfaces of mobile phones is exploding. Therefore, the protective case of the mobile phone has become a product that is almost purchased when purchasing a mobile phone.

Moreover, in the case of a bar-type mobile phone capable of wireless internet, the use of a protective case for protecting the back or the front is almost common. Therefore, even if a protective case is used, the overall protection of the mobile phone and ease of attachment and detachment, as well as a guarantee of quality that does not change even for a long time of use, and even if the case is attached, a request for securing convenience of use of the case is increasing. .

The present invention has been made to solve the problems of the background art, the overall protection of the mobile phone and ease of attachment and detachment, and even the long-term use of the guarantee of unchanged quality and convenience of using the mobile phone even if the case is attached Provide a mobile phone case secured.

According to an aspect of the present invention, there is provided a mobile phone protective case including a screen portion, a bottom portion, and an edge portion, the main surface of which is formed to correspond to the shape of the bottom portion, and is formed by extending from a first region formed of a first material and the first region. And a second area formed corresponding to the shape of the edge part, the second area formed of the first material or the second material, and extending from the second area, the extended end of which includes the screen part. And a third region formed to cover a portion of the.

In this case, the first material may be made of synthetic resin, the second material may be made of synthetic resin or urethane, and the third material may be made of urethane. The second region may further include a straight portion adjacent to the first region and a curved portion extending from the straight portion, and the at least one second material protrudes in the direction of the first region. Protrusions may be provided. In this case, the protruding length of the protrusion may be formed to 2 to 6mm.

Meanwhile, thicknesses of the first region and the second region may be uniformly formed, and thicknesses of the second region and the third region may be uniformly formed. Further, the first region and the second region may be formed. The thickness of may be the same, and the thickness of the second region and the second region may also be formed the same.

In this case, the third region includes a vertical portion extending from the second region, an inclined portion bent in the inward direction from the horizontal portion, and a horizontal portion bent from the inclined portion to be parallel to the screen portion of the mobile phone. The acute angle range of the angle formed by one surface included in the vertical portion and one surface included in the inclined portion may be formed to 23 to 57 °, in the cross-sectional shape in the vertical direction in the screen portion The longest length of the line segment in which the horizontal portion is in contact with the screen portion may be formed to be 4 mm or less.

On the other hand, the first region and the straight portion may be provided with a buffer portion corresponding to the shape of the bottom portion, the straight portion is provided with at least one protrusion projecting the second material in the direction of the first region, The buffer portion may be formed to cover the protrusion, and the straight portion includes at least one protrusion in which the second material protrudes in the direction of the first region, and the buffer portion complements the protrusion length of the protrusion. The concave portion may be formed, and the thickness of the third region may be smaller as the distance from the second region increases.

In addition, the minimum thickness of the thickness of the third area may be formed from 1/5 to 2/5 of the thickness of the second area, the second area is formed so that the input unit is provided on the outer surface of the mobile phone protective case The second region may include a stepped portion and a stepped portion, and the input portion may be formed of the first material and disposed on the stepped portion, and may be connected to the non-stepped portion and the elastic member. The elastic member may be formed of the first material, and the elastic member may be formed of at least one, and may be linearly connected between the input unit and the stepped portion.

Since the present invention maximizes the surface area for fusion of dissimilar materials, the fusion bonding strength can be significantly increased, and the finish due to fusion of dissimilar materials can be significantly improved.

In addition, the present invention can significantly lower the likelihood of fatigue failure as mobile phone detachment increases.

In addition, in the present invention, since a predetermined rounding process is performed on the bending boundary rather than a straight line, it is possible to reduce the possibility of fatigue failure while ensuring ease of bending.

1 is a perspective view of a mobile phone protective case according to a first embodiment of the present invention.
FIG. 2 is a cross-sectional view taken along line AA ′ in FIG. 1.
3 is a perspective view of a mobile phone protective case according to a second embodiment of the present invention.
4 is a perspective view of a mobile phone protective case according to a third embodiment of the present invention.
FIG. 5 is a view illustrating a modified embodiment of the enlarged circle portion shown in FIG. 2 according to the fourth embodiment of the present invention.
6 is a perspective view of a mobile phone protective case according to a fifth embodiment of the present invention.

The present invention can be variously modified and may have various embodiments, and specific embodiments will be described in detail with reference to the drawings. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Terms including ordinals, such as first, second, etc., may be used to describe various elements, but the elements are not limited to these terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. And / or < / RTI > includes any combination of a plurality of related listed items or any of a plurality of related listed items.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

Hereinafter, the present invention and its preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a mobile phone case according to a first embodiment of the present invention.

Referring to the drawings, the mobile phone case 1000 according to an embodiment of the present invention is a bar-type mobile phone 1 composed of a screen portion 10, an edge portion 20, and a bottom portion 30. The first surface 110 is formed to have a main surface flat to correspond to the shape of the bottom portion 30, and is formed to extend from the first region 110 to correspond to the shape of the edge portion 20. And a third region 130 extending from the formed second region 120 and the second region 120 and formed to cover a part of the screen portion 10 of the mobile phone 1.

In this case, the first region 110 may be formed of a hard synthetic resin, and the second region 120 may be formed of the same material as the first region 110 or a material further including urethane in a specific region as shown. (See references 121 and 122). In this case, the third region 130 may be formed of a material including urethane.

As described above, the mobile phone case 1000 according to the present embodiment is formed to include two materials, hard and soft, and the mobile phone is accommodated by allowing the soft portion to be bent slightly when the mobile phone 1 is detached. Easily detachable. Further, since the material of the second region corresponding to the edge portion of the mobile phone is formed by dualizing, the mobile phone can be detached and controlled more conveniently. A more detailed structure is mentioned later.

FIG. 2 is a cross-sectional view taken along line AA ′ of FIG. 1. Referring to the drawings, the mobile phone case 1000 is formed in the first area 110 and the first area 110, which are disposed on the bottom surface and are flat, as described above, and are formed in the straight portion 120a and the curved portion. The second region 120 includes the second region 120b and the third region 130 extending from the second region 120.

In this case, as shown in FIG. 2, the second region 120 may further include urethanes 121 and 122, and the urethane may form a protrusion 121 protruding toward the first region. In general, in order to inject heterogeneous materials together, high adhesion is required. For example, the heterogeneous materials are not heterogeneous in the present embodiment, but only in regions where the second region 120 and the third region 130 are separated. When the material is fused, the adhesion strength is significantly reduced.

Therefore, in the present embodiment, the fusion bonding force can be remarkably increased because the fusion surface is secured to the entire area in the second region having an approximately arc-shaped cross section capable of maximizing the surface area for fusion of dissimilar materials. In addition, the mobile phone case 1000 according to the present exemplary embodiment forms a protrusion 121 toward the first region to reach the straight portion 120a as well as the rounded curved portion 120b of the second region 120. Therefore, the bonding force can be further increased. In addition, although two such protrusions are formed in FIG. 1 and FIG. 2, this number is not limited and may be formed in 3 or more plurality. In addition, although not shown in the drawings, such protrusions may be formed to protrude in multiple stages.

On the other hand, the length L of the protrusion part in this case is formed in 2-6 mm. If the length of the protrusion is less than 2mm, it is because the injection error cannot be reflected, and if it is larger than 6mm, it is because the strength of the material of urethane does not increase the peel strength and maintains a certain level.

Meanwhile, the thickness t1 of the first region and the thickness t2 of the second region may be uniformly formed. Furthermore, the thickness t1 of the first region t1 and the thickness t2 of the second region may be the same. Can be. Therefore, it is possible to remarkably improve the finish due to fusion of dissimilar materials. Similarly, the thickness t2 of the second region and the thickness t3 excluding the end portion of the third region may be uniformly formed or the same. Therefore, the thickness of the third region can be sufficiently secured to significantly lower the possibility of fatigue failure due to the increased detachment of the mobile telephone.

However, the end portion of the third area is pointed downward, as shown in order to secure the operability such as the insertability of the mobile phone and the screen touch. Since the above structure is adopted, the tension applied when the cellular phone is inserted can be canceled to the lower part according to the bending of the third region.

Hereinafter, the third region will be described in more detail. Referring to the enlarged circle rc of the circle c shown in FIG. 2, the third region 130 includes a vertical portion 131, an inclined portion 132, and a horizontal portion 133. The vertical portion 131 is formed at a portion extending from the second region 120 and is formed in a direction perpendicular to one surface formed by the screen portion of the mobile phone. In addition, the inclined portion 132 is bent from the vertical portion 131 toward the inside of the case, and the horizontal portion 133 extends from the inclined portion 132 so that the third region 130 forms the screen portion of the mobile phone. It is formed to be in contact with a portion of one side.

As described above, the third region 130 is formed into vertical, bent, and horizontal portions without employing the structure in which the whole is rounded, so that the stress is concentrated in the partition portion when the mobile phone is attached or detached. Therefore, since the bending of the third area 130 becomes easier when the mobile phone is attached or detached, the user's convenience is maximized. On the other hand, the boundary portion that separates the vertical portion, the inclined portion, the horizontal portion is a predetermined rounding treatment is performed, not a straight line as shown in the drawing, while reducing the possibility of fatigue failure while ensuring ease of bending.

In this case, the angle θ formed between the main axis including one surface of the vertical portion 131 and the main axis including one surface of the inclined portion 132 is formed to be 23 to 57 degrees. If it is formed to 23 ° or less because the stress value transmitted to the boundary of the vertical portion and the inclined portion when bending of the third region is no longer lowered, if formed above 57 ° the stress value in the case of urethane material This is because it becomes a concentrated critical point and the likelihood of fatigue failure increases markedly.

At this time, the longest length of the line segment where the horizontal portion 133 is in contact with the screen portion (refer to reference numeral 10 in FIG. 1) of the cellular phone is formed to be 4 mm or less. This is because the minimum length is variable according to the mobile phone, so it is not necessary to specify it. If it is larger than 4 mm, the phenomenon of lifting occurs when the mobile phone is attached due to the nature of urethane.

Hereinafter, a mobile phone protective case 2000 according to another embodiment of the present invention will be described. 3 is a perspective view of a mobile phone case according to a second embodiment of the present invention. In this embodiment, the same reference numerals are given to the same components as in the previous embodiment.

Referring to the drawings, the mobile phone protective case 2000 according to the present embodiment is provided with a shock absorbing portion 410 to cover the inside of the case of the first area and a part of the second area 120. The shock absorber may be formed of various materials to absorb the shock of the mobile phone. In this case, the buffer unit 410 according to the present exemplary embodiment is formed to cover the protrusion 121 formed in the second region. Therefore, the fusion force between the different materials mentioned in the first embodiment can be further maximized.

4 is a perspective view of a mobile phone protective case 3000 according to a second embodiment of the present invention. In this embodiment, the same reference numerals are given to the same components as in the previous embodiment.

Referring to the drawings, the buffer portion 520 is formed with a recess 421 complementary to the protrusion length of the protrusion 121. Therefore, it is possible to further reduce the thickness when the cellular phone is stored in the cellular phone protective case 3000.

Hereinafter, another embodiment of the present invention will be described. FIG. 5 is a view illustrating a modified embodiment of the enlarged circle portion shown in FIG. 2 according to the fourth embodiment of the present invention.

Referring to the drawings, the thickness is reduced from the third region to the end portion extending from the second region (r1 <r2> r3). In particular, in the case of r3, which is the minimum thickness of the center of the horizontal portion (reference numeral 133 of FIG. 2) except for the end portion, it may be configured to be formed from 1/5 to 5/2 of r1. Compared to the above-described embodiment in the configuration as described above, the ease of bending at the time of detachment is further secured, in particular within the numerical range the bending convenience was most preferred.

Hereinafter, another embodiment of the present invention will be described. 6 is a perspective view of a mobile phone protective case 5000 according to a fifth embodiment of the present invention. In this embodiment, the same reference numerals are given to the same components as in the previous embodiment.

Referring to the drawing, the input unit 125 is provided outside the mobile phone protective case 5000 of the second area 120. The input unit 125 corresponds to various input buttons formed on the sound control button or the edge of the mobile phone.

In general, a stepped portion NT may be formed on an outer surface of the second region 120, and a stepped portion T may be formed to be concave inside. The input unit 125 is formed in the stepped portion T and extends from the above-described protrusion and is formed to contact the urethane formed in the second region. In addition, the input unit 125 may be formed of the same material as the synthetic resin forming the first region or the second region. In addition, the input unit may be connected to the non-stepped portion through at least one elastic member 127 having a linear shape. Therefore, the convenience of the key button input of the mobile phone user is secured, and further, the production unity of the input button is ensured in the manufacturing process, and since the hard button part is formed, the durability of the mobile phone protective case can be further improved.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, Of course.

1000: phone protective case
110: first region
120: second area
130: third region

Claims (21)

In the mobile phone protective case comprising a screen portion, a bottom portion and the edge portion,
A first region having a main surface corresponding to the shape of the bottom portion and formed of a first material,
A second region extending from the first region, formed to correspond to the shape of the edge portion, and formed of the first material or the second material; and
A third region extending from the second region, the extended end covering a portion of one surface of the mobile phone including the screen portion;
The first material is made of a synthetic resin, the second material is made of synthetic resin or urethane, the third material is a mobile phone protective case, characterized in that made of urethane. delete The method of claim 1,
And the second region further comprises a straight portion adjacent to the first region and a curved portion extending from the straight portion. The method of claim 3,
And the at least one protrusion having the second material protruding toward the first area in the straight portion. 5. The method of claim 4,
Protruding length of the protruding portion is a mobile phone protective case, characterized in that formed in 2 to 6mm. The method of claim 1,
And a thickness of the first region and the second region is constant. The method of claim 1,
And a thickness of the second region and the third region is constant. The method of claim 1,
And a thickness of the first area and the second area is the same. The method of claim 1,
And a thickness of the second area and the second area is the same. The method of claim 1,
The third region includes a vertical portion extending from the second region, an inclined portion bent in the inward direction from the horizontal portion, and a horizontal portion bent from the inclined portion to be parallel to the screen portion of the mobile phone. Mobile phone protective case, characterized in that. The method of claim 10,
Mobile phone protective case, characterized in that the range of the acute angle of the angle formed by one surface included in the vertical portion and one surface included in the inclined portion is 23 to 57 °. 12. The method of claim 11,
And a longest length of a line segment in which the horizontal portion is in contact with the screen portion in a cross-sectional shape in the vertical direction in the screen portion is 4 mm or less. The method of claim 3,
And a buffer part corresponding to the shape of the bottom part in the first area and the straight part. The method of claim 13,
And the at least one protrusion protruding the second material toward the first area in the straight portion, and the shock absorbing portion is formed to cover the protrusion. The method of claim 13,
And the straight portion has at least one protrusion in which the second material protrudes in the direction of the first region, and the buffer portion has a recess corresponding to the protrusion length of the protrusion. The method of claim 1,
The thickness of the third area is smaller as the distance away from the second area is a mobile phone protective case, characterized in that. 17. The method of claim 16,
The minimum thickness of the third area of the mobile phone protective case, characterized in that formed in 1/5 to 2/5 of the thickness of the second area. 5. The method of claim 4,
And a second input portion on an outer surface of the mobile phone protective case in the second area. 19. The method of claim 18,
The second area includes a stepped portion and a non-stepped portion,
The input unit is formed of the first material and is disposed in the step portion, the mobile phone protective case, characterized in that connected by the non-step portion and the elastic member. 20. The method of claim 19,
And the elastic member is formed of the first material. 21. The method of claim 20,
The elastic member is formed of at least one, and the mobile phone protective case, characterized in that connected linearly between the input portion and the stepped portion.

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