TWM643109U - Foldable supportive rack - Google Patents

Abstract

The present invention provides a retractable supporting frame, which is used to be attached to a back plate of a mobile device. The supporting frame includes a sheet-like layer and at least one bonding element. An inner sheet body and an outer sheet body used for supporting the mobile device, the inner sheet body is cut to form at least two tongues that can be lifted and a flip surface, and the inner sheet body is connected to the tongue through the tongues The outer sheets are connected to each other, and the tongues have flippable parts with unequal support lengths, so that the inner sheet and the outer sheet can be expanded into a support frame with a solid triangular area, and it is beneficial to fold into thin sheets The shape is used to improve the problems that the supporting frames used for the existing mobile devices are too large, unfavorable for hand-holding and unfavorable for carrying.

Description

Expandable support frame

The present invention relates to an expandable and retractable sheet-like cladding, which is used for a retractable support frame attached to the back of a mobile device by means of magnetic attraction or adhesion.

Mobile devices such as smart phones or tablet computers have long become personal objects of the world today. In order to facilitate users to carry and hold them, light weight and thinner mobile devices have long been market-oriented.

It is known that, taking a mobile phone as an example, there are many kinds of protective cases on the market to protect the mobile phone, which can be attached to the periphery of the mobile phone to prevent the mobile phone from being bumped, damaged or scratched. In addition, some mobile phone protective cases also have the function of being folded and extended into a support frame, so that users can hold the mobile phone on the desktop in an inclined manner, so as to facilitate watching programs, making video calls or making calls; however, these attached The overall volume and thickness of the mobile phone protective case that can be folded into a support frame are relatively large, which has offset the convenience of the user when holding and carrying the mobile phone. Therefore, many users are unwilling to install such accessories for the convenience of holding the mobile phone. A protective case for a mobile phone with a stand function.

Furthermore, there are also many mobile phone holders in the shape of dolls, which can be directly adsorbed on the back panel of the mobile phone as a tripod without the need for a mobile phone protective cover. , its overall volume is still large, and it is not an excellent choice for mobile phone users in consideration of portability.

In view of this, the creator has gone through many ideas, and finally developed a light and thin patch-type support frame, which does not need to be attached to the mobile phone protective case, but can be presented in the form of interconnected sheet-like layers. It is directly magnetically attracted or adhered to the back plate of the mobile phone, allowing the user to expand the sheet-like layer into a support frame with a triangular surface (or trapezoidal surface), and can also fold the support frame with a triangular surface into a sheet The multi-layer is used to improve the problem that the existing mobile phone support frame is too large and unfavorable for hand-holding and carrying.

To this end, one of the preferred embodiments of the present invention is to provide a retractable support frame for attaching to a back plate, which can be the back plate of a mobile device, and the support frame includes: a sheet-like layer and at least one connecting element. Wherein: the sheet-like cladding is composed of at least two sheets, and at least two of the sheets include a retractable inner sheet and an outer sheet for holding; the inner sheet forms a liftable At least two tongues; at least two of the tongues are respectively folded to form a fold line and a bend, at least two of the tongues are respectively connected to each other via the fold line and the inner sheet body, and are respectively separated by the bend Divided into a flippable part with unequal support length and a fixed part fixedly connecting the outer sheet; the inner sheet is folded to form a fitting surface and a flipping surface, and a part of the fitting surface can be When the sheet-like multiple layers are unfolded to form the support frame, one end of the outer sheet body is provided to be against each other; the flip surface is formed with an overlapping portion capable of providing at least one flip portion attached, and at least one The bonding element is arranged on at least one of the at least one flippable portion and the lapping portion that can be overlapped with each other, and the lapping portion and at least one flippable portion can be expanded into the sheet-like layer to form the The support frame is attached to each other via at least one bonding element, and the overlapping portion and at least one flippable portion can be separated from each other when the support frame is folded into the sheet-like multi-layer.

In a further implementation, the inner sheet body and the outer sheet body have the same outline, so as to facilitate the appearance of a thinner and consistent outline when the sheet-like layer is folded, so as to improve the comfort for the user when holding the mobile device.

In a further implementation, at least two of the tongues are a first tongue and a second tongue, the liftable portion of the first tongue is a first liftable portion, and the liftable portion of the second tongue is The above-mentioned flippable part is a second flippable part, and at least one of the above-mentioned flippable parts connected to the overlapping part is the second flippable part. The supporting length of the flippable part is longer than that of the first flippable part, so as to present a triangular-shaped support structure, and can hold the mobile phone on the desktop in an inclined and stable manner.

In a further implementation, at least two of the folded line portions include a first folded line portion and a second folded line portion, and the first tongue piece connects the first foldable portion and the inner panel through the first folded line portion. connected into one body, the second tongue piece connects the second flip part and the inner sheet body into one body through the second folding line part. Wherein, the second foldable part is connected to each other through the second folding line part It is bound to the flip surface of the inner sheet body. According to this implementation, the tiltable angle of the second hingeable portion connected to the hingeable surface of the second tongue piece can be enlarged.

In a further implementation, at least two of the bending portions include a first bending portion and a second bending portion, at least two of the fixing portions include a first fixing portion and a second fixing portion, and the first The tongue piece is divided into the first flippable part and the first fastening part for fixing and connecting the outer sheet through the first bending part.

In a further implementation, at least one of the bonding elements includes a first bonding element and a second bonding element, the first bonding element is built in or formed on the bonding surface, and the second bonding element is carried in the At least one of the flippable portion and the overlapping portion. Wherein; the fitting surface is used to be attached to the back plate of the mobile device to support the mobile device.

In another implementation, at least two of the sheet bodies further include a seat body, the fitting surface is fixed to the seat body, and the seat body forms a fitting end surface. Wherein, the first bonding element is built in or formed on the fitting end surface of the seat body; the fitting end surface is used to be attached to the back plate of the mobile device to hold the mobile device.

In a further implementation, the above-mentioned first bonding element may be a magnetic object capable of generating magnetic force lines, and at this time, a magnetized object capable of accepting the magnetic attraction of the magnetic object is formed on the backplane. Alternatively, the above-mentioned first bonding element may be an adhesive fastener having the function of sticking or buckling, and the back plate is formed with an adhered object capable of accepting the fastening of the adhesive fastener.

In a further implementation, the above-mentioned second connecting element is a magnetic object capable of generating magnetic lines of force. At this time, at least one of the flippable portions or the overlapping portions loaded with the magnetic object is excluded at this time, and a magnetic object capable of accepting the magnetism of the magnetic object is formed. A magnetic object that attracts. Alternatively, the above-mentioned second bonding element is an adhesive fastener with the function of sticking or buckling. At this time, the at least one peelable part or the overlapping part containing the adhesive fastener is excluded at this time, and a button that can accept the adhesive fastener is formed. An adherend for a sticky fastener.

To sum up, when the retractable support frame of the present invention is folded, it can present the sheet-like multi-layer thin sheet shape on the back panel of the mobile device. It is burdensome and easy to carry when holding a mobile device. In addition, after the sheet-like composite layer of the present invention is unfolded into the support frame, multiple flippable parts with unequal support lengths on the back panel of the mobile device can be used as a mobile device. The horizontal support beam frame between the back panel and the outer body can improve the stability of the triangular-shaped (or trapezoidal) support structure when the mobile device is held in an inclined manner. .

In addition, the practicability and related performance of the present invention will be described in detail later with drawings.

10: Lamellar lamination

11: seat body

11a:Fitting the end face

11b: Composite end face

12: Inner body

121: first tongue

121a: the first folding line

121b: the first bending part

121c: The first removable part

121d: the first fixed part

122: second tongue

122a: the second folding line

122b: the second bending part

122c: The second removable part

122d: the second fixed part

123: Fitting surface

124: Reversible surface

124a: Lap joint

125: polyline

13: Outer body

20:Mobile device

21: Backplane

30,30a: the first connecting element

31: Second connecting element

H1, H2: Support length

40: Desktop

F: Thrust

FIG. 1 is a three-dimensional assembly diagram of a preferred embodiment of the present invention, disclosing the state of attaching a sheet-like layer to the back panel of a mobile device.

FIG. 2 is a three-dimensional assembled view of FIG. 1 , revealing the laminated sheet attached to the backplane of the mobile device.

Fig. 3 is a three-dimensional exploded schematic diagram of the sheet-like cladding shown in Fig. 1 and Fig. 2, revealing that the laminar cladding is composed of a sheet body, an inner sheet body and an outer sheet body.

Fig. 4 is a perspective view of the three-dimensional unfolding of the inner sheet shown in Fig. 3 , illustrating how the inner sheet is interposed between the seat sheet and the outer sheet for deployment.

Fig. 5(a) to Fig. 5(c) are schematic diagrams of the continuous action of the support frame of the present invention, illustrating that the support frame can be expanded from a thin plate shape into a triangular shape, and then folded into a thin plate shape from the triangular shape .

FIG. 6 is a schematic diagram of the use of the support frame of the present invention, illustrating how the support frame can stably hold the mobile device on the desktop in an inclined manner after being unfolded.

Fig. 7 is a three-dimensional assembly schematic diagram of another preferred embodiment of the present invention, illustrating that the seat body shown in Fig. 1 to Fig. 4 can be omitted, so that the inner body can be attached to the back plate of the mobile device. the same effect.

First of all, please refer to FIG. 1 and FIG. 2 together, revealing that the retractable support frame of the present invention includes a sheet-like layer 10 and at least one bonding element; the sheet-like layer 10 is used to be attached to the back of a mobile device 20 on the board 21; the mobile device 20 is illustrated with a mobile phone as an example; the back board 21 is usually made of a metal that can be magnetized, but it is not excluded that it is made of a non-magnetic material such as plastic or non-ferrous metal. Into the back plate 21; at least one of the bonding elements may include a first bonding element 30 and a second bonding element 31.

Continue referring to FIG. 3 , which reveals that the sheet-like cladding 10 can be composed of a seat sheet 11 for attaching to the back plate 21, a retractable inner sheet 12, and a frame for holding the mobile device 20. The outer sheet body 13 is compounded. in:

The two ends of the seat body 11 are respectively a bonding end surface 11a and a composite end surface 11b. The fitting end surface 11a can be made of a material with adhesive ability, or the first bonding element 30 is built in the seat body 11, so that the fitting end surface 11a of the seat body 11 is equipped with a firm attachment to the seat body 11. The anti-loosening capability of the backboard 21. The first bonding element 30 can be made of, for example, a magnetic object (such as a magnetic plate, a magnetic strip or a permanent magnet) that can generate magnetic lines of force, so that the first bonding element 30 can be seated on the bonding end surface 11a or loaded on it. For example, in the seat sheet body 11 made of non-magnetic resistance materials such as rubber sheet, flannelette, rubber or leather, the magnetic force lines are generated externally by the bonding end surface 11a. Under this implementation, the back plate 21 forms an acceptable The magnetic object magnetically attracts a magnetized object so that the adhering end surface 11 a can be firmly attached to the back plate 21 ; wherein, the magnetized object can be made of a magnetically conductive metal material.

In addition, the first bonding element is an adhesive fastener with the function of sticking or buckling, and the back plate is formed with an adhered object that can accept the fastening of the adhesive fastener. The first adhesive element 30 can also be made of It is made of an adhesive fastener (such as hook and loop tape, Velcro felt or double-sided tape) that has the function of sticking or buckling. In this implementation, the back panel 21 is formed with an adhered object that can accept the adhesive fastener. (such as the bottom belt of Velcro or Velcro, or a surface that can accept double-sided adhesive tape), so that the adhering end surface 11 a can be firmly attached to the back plate 21 .

The inner sheet body 12 is cut to form at least two tongues that can be lifted up, including a first tongue 121 and a second tongue 122 . The first tongue piece 121 is folded to form a first fold line portion 121a and a first bend portion 121b; the first tongue piece 121 is integrated with the inner sheet body 12 through the first fold line portion 121a. The first tongue piece 121 is divided into a liftable first liftable portion 121c and a liftable first fixed portion 121d fixedly connected to the outer sheet body 13 via the first curved portion 121b, and the first The tongue piece 121 enables the first flip part 121c and the inner sheet body 12 to be integrally connected to each other through the first fold line part 121a. Correspondingly, the second tongue piece 122 is folded to form a second fold line portion 122a and a second bent portion 122b; the second tongue piece 122 passes through the The second fold line part 122a is connected with the inner sheet body 12 as a whole, and the second tongue piece 122 is divided into a liftable second liftable part 122c and a liftable and fixed connection through the second bending part 122b. On the second fixed portion 122d of the outer sheet body 13 , and the second tongue piece 122 passes through the second folding line portion 122a so that the second flippable portion 122c can be connected with the inner sheet body 12 as a whole. The support length of the second liftable portion 122c is greater than the support length of the first liftable portion 121c (details will be described later).

Furthermore, the inner sheet body 12 is folded via a folding line 125 to form a fitting surface 123 and a flip surface 124, and a part of the fitting surface 123 is used to fit on the composite end surface 11b of the seat sheet body 11. superior. An overlapping portion 124a is formed on the flippable surface 124 to provide the second flippable portion 122c to be attached to.

The second bonding element 31 can be added or embedded in one of the second flip part 122c and the overlapping part 124a. Furthermore, the second bonding element 31 can be made of the magnetic material or adhesive fastener used in the first bonding element 30, the difference between which is: when the second bonding element 31 is made of a magnetic material, Excluding the second flippable portion 122c or the overlapping portion 124a loaded with the magnetic object, the magnetized object capable of accepting the magnetic attraction of the magnetic object must be formed. When the second bonding element is an adhesive fastener with the function of sticking or buckling, the second detachable part 122c or the lapping part 124a containing the adhesive fastener must be excluded, and must be formed to accept the adhesive fastener. The adhered object of the fastening button.

Please refer to FIG. 4 further, which illustrates that a part of the bonding surface 123 of the inner sheet body 12 is attached to the composite end surface 11b of the seat sheet body 11, so that the inner sheet body 12 can be combined with the seat sheet body 11; And the first tongue piece 121 and the second tongue piece 122 of the inner sheet body 12 are in a bent shape that can be lifted; in particular, the inner sheet body 12 can rely on the first fixed part 121d and the second fixed part 121d. The portion 122d is affixed to the corresponding end surface of the outer sheet body 123, and then composited into one body.

Next, please refer to FIG. 5, including referring to FIG. 5(a), FIG. 5(b) to FIG. 5(c). in:

Figure 5(a) discloses the side view state of the sheet-like composite layer 10 attached to the back plate 21, showing that the sheet-like composite layer 10 can be thinned, does not take up space, and is convenient for the user to hold before it is unfolded. .

Figure 5(b) discloses that the user can lightly peel off the outer sheet 13 so that the outer sheet 13 can be placed on the first flap 121c on the first tongue 121 of the inner sheet 12 and on the second tongue 122. The second liftable part 122c is a double swing arm, and then gradually expands the outer body 13, especially including that the liftable surface 124 is gradually lifted, and the second tongue piece 122 connected to the liftable surface 124 can be enlarged. The tiltable angle of the second flippable portion 122c.

Fig. 5 (c) discloses that the second flippable portion 122c on the second tongue piece 122 is lifted up to be able to connect with the overlapping portion 124a of the flippable surface 124 of the inner sheet body 12, and by means of the second bonding element 31 The second flippable portion 122c and the overlapping portion 124a can be connected to each other to prevent loosening, and the first flippable portion 121c and the second flippable portion 122c are located between the seat body 11 and the second flippable portion 122c. The outer sheets 13 act as supporting beams, and one end of the outer sheets 13 can exert a thrust F against a part of the bonding surface 123 . In this state, since the support length H1 of the first liftable portion 121c is not equal to the support length H2 of the second liftable portion 122c; The supporting length H1 of a flippable portion 121c, and when the second flippable portion 122c can be firmly connected with the overlapping portion 124a, the supporting length H2 of the second flippable portion 122c should be interpreted as including the flippable portion 122c The raised length of the surface 124 makes the unfolded support frame present a solid support structure with triangular surfaces.

Continue referring to FIG. 6 , which discloses that the support frame having a triangular surface area after deployment is placed on a desktop 40 , and the end of the outer sheet body 13 can exert the thrust F against the fitting surface 123 The surface is used to disperse the gravity when the mobile device 20 is mounted on the desktop by virtue of the inner sheet 12 and the outer sheet 13, so that the support frame of the present invention can stably hold the mobile device 20 on the desktop 40 superior.

When the user wants to close the support frame, he only needs to move away the second flippable portion 122c and the overlapping portion 124a that have been firmly connected to separate each other, and then the second tongue can be easily folded The second liftable part 122c on 122 makes the inner sheet body 12 and the outer sheet body 13 reset to the state of Fig. 5 (a), that is, the inner sheet body 12, the outer sheet body 13 and the seat sheet body 11 again The sheet-like layer 10 is combined to facilitate the user to hold the mobile device 20 attached with the sheet-like layer 10 .

Next, please refer to FIG. 7 , disclosing another preferred embodiment of the present invention. The difference from the previous embodiment is that the seat body 11 in the implementation shown in FIGS. 1 to 6 is omitted, that is, The inner sheet body 12 has the same effect that the seat sheet body 11 can be attached to the back plate 21 of the mobile device 20 . Further, the fitting surface 123 of the inner sheet body 12 replaces the fitting end surface 11a provided by the original seat body 11, so that the fitting surface 123 is made of a material with bonding ability, or contains the first bonding surface. The element 30 a is inside the fitting surface 123 , so that the inner sheet body 12 can be firmly attached to the backboard 21 via the fitting surface 123 . Apart from this, the rest of the implementation shown in FIG. 7 is roughly the same as the implementation shown in FIG. 1 to FIG. 6 .

According to the above-mentioned implementation content, whether the sheet-like cladding 10 is composed of the base sheet 11, the inner sheet 12 and the outer sheet 13, or only composed of the inner sheet 12 and the outer sheet 13 The contours of each sheet can be made, for example, into the same quadrangular sheet disclosed in the above drawings, or other identical contours (such as circular, trapezoidal or elliptical, etc.), so that users can hold When the mobile device 20 is attached with the sheet-like cladding layer 10, the grip comfort can be improved.

The above examples only express the preferred implementation modes of the present invention, but should not be understood as limiting the technical scope of the present invention for protection. In other words, the present invention should be subject to the content of the claims defined in the scope of the patent application.

10: Lamellar lamination

11: seat body

12: Inner body

13: Outer body

20:Mobile device

21: Backplane

Claims (21)

A retractable support frame, comprising a laminated layer and at least one bonding element, wherein: The sheet-like cladding is composed of at least two sheets, at least two of which include a retractable inner sheet and an outer sheet for holding; the inner sheet is formed with at least two liftable Tongue; At least two of the tongue pieces are respectively folded to form a fold line portion and a bend portion, at least two of the tongue pieces are respectively connected to each other through the fold line portion and the inner body, and are divided into unequal support lengths through the bend portion A liftable portion of the body and a fastening portion fixedly connected to the outer sheet; The inner sheet body is folded to form a fitting surface and a flip-up surface, and a part of the surface of the fitting surface can provide one end of the outer sheet body to lean against each other when the sheet-like composite layer is unfolded to form the support frame ; The flip-up surface is formed with an overlapping portion capable of providing at least one of the flip-up portions, and at least one of the bonding elements is configured on at least one of the flip-up portions that can overlap each other and at least one of the overlapping portions. One of them, the overlapping portion and the at least one flippable portion can be attached to each other via at least one bonding element when the sheet-like laminate is unfolded into the support frame, the overlapping portion and the at least one flippable portion The hinged parts can be separated from each other when the support frame is folded into the sheet-like layers. The retractable support frame as described in claim 1, wherein the inner sheet body and the outer sheet body have the same outline. The retractable support frame as claimed in claim 1, wherein the bonding surface is used to be attached to a back panel of a mobile device. The retractable support frame according to claim 1, wherein at least two of the tongues include a first tongue and a second tongue, and the flippable part of the first tongue is a first flippable The flippable portion of the second tongue is a second flippable portion, the at least one flippable portion following the overlapping portion is the second flippable portion, and the sheet-like complex is unfolded. When the layer becomes the support frame, the supporting length of the second flippable portion is greater than that of the first flippable portion. The retractable support frame as described in claim 4, wherein at least two of the folded line portions include a first folded line portion and a second folded line portion, and the first tongue passes through the first folded line portion so that the first foldable The flip part and the inner sheet body are integrated with each other, and the second tongue piece connects the second flippable part and the inner sheet body with each other through the second folding line part. The retractable support frame as described in Claim 5, wherein the second flip part is connected to the flip surface of the inner sheet through the second fold line. The retractable support frame according to claim 4, 5 or 6, wherein at least two of the curved parts include a first curved part and a second curved part, and at least two of the fixed parts include a first fixed part part and a second fixing part, the first tongue piece is divided into the first flip part and the first fixing part for fixing and connecting the outer body through the first bending part. The retractable support frame as described in claim 1, wherein at least one of the bonding elements includes a first bonding element and a second bonding element, the first bonding element is built in or formed on the bonding surface, and The second connecting element is carried in at least one of the at least one flippable portion and the overlapping portion. The retractable support frame as claimed in claim 8, wherein the bonding surface is used to be attached to a back panel of a mobile device. The retractable support frame as described in Claim 9, wherein the first bonding element is a magnetic object capable of generating magnetic force lines, and the back plate is formed with a magnetized object capable of receiving the magnetic attraction of the magnetic object. The retractable support frame as described in Claim 9, wherein the first bonding element is an adhesive fastener having the function of gluing or buckling, and an adhered object capable of accepting the adhesive fastener is formed on the back plate. The retractable support frame as described in Claim 8, wherein the second bonding element is a magnetic object capable of generating magnetic lines of force, and at least one of the flippable portion or the overlapping portion carrying the magnetic object is excluded, A magnetized object capable of accepting the magnetic attraction of the magnetic object is formed. The retractable support frame as described in claim 8, wherein the second bonding element is a fastening element having the function of sticking or buckling, and at least one of the detachable parts or the fastening part containing the fastening element is excluded. The overlapping portion is formed with an adhered object capable of accepting the fastening of the fastening element. The retractable support frame as described in claim 1, wherein at least two of the sheets further include a seat, the fitting surface is fixed to the seat, and the seat forms a fitting end surface. The retractable support frame as claimed in claim 14, wherein the outlines of the seat sheet, the inner sheet and the outer sheet are identical to each other. The retractable support frame as described in claim 14, wherein at least one of the bonding elements includes a first bonding element and a second bonding element, and the first bonding element is built in or formed on The fitting end surface and the second bonding element are carried in at least one of at least one of the flippable portion and the overlapping portion. The retractable support frame as claimed in claim 16, wherein the adhering end surface is used to be attached to a back panel of a mobile device. The retractable support frame as claimed in claim 17, wherein the first bonding element is a magnetic object capable of generating magnetic lines of force, and a magnetized object capable of accepting the magnetic attraction of the magnetic object is formed on the back plate. According to claim 17, the retractable support frame, wherein the first bonding element is an adhesive fastener having the function of gluing or buckling, and the back plate is formed with an adhered object capable of accepting the adhesive fastener. The retractable support frame as described in claim 16, wherein the second bonding element is a magnetic object capable of generating magnetic lines of force, and at least one of the flippable portion or the overlapping portion carrying the magnetic object is excluded, A magnetized object capable of accepting the magnetic attraction of the magnetic object is formed. The retractable support frame as described in claim 8, wherein the second bonding element is a fastening element having the function of sticking or buckling, and at least one of the detachable parts or the fastening part containing the fastening element is excluded. The overlapping portion is formed with an adhered object capable of accepting the fastening of the fastening element.

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