KR100788726B1 - Sliding cover switchgear for mobile terminal - Google Patents

Abstract

A slide type cover opening/closing apparatus for a portable terminal is provided to form the outside of an elastic member with synthetic resin, thereby preventing damage such as scratches on a guide member or a mobile member during movement as avoiding noise or an increase of friction, consequently an opening/closing action of a cover is naturally and smoothly conducted. A guide member(20) is in plate shape. A plate-shaped mobile member(40) is combined with the guide member in a sliding way. An elastic member(50) is installed between the guide member and the mobile member. Hinge pins(100) rotatively combine both ends of the elastic member with the guide member and the mobile member so as to support the combined ends. The guide member comprises as follows. A body is formed by using a metal plate. One pair of groove members(30), made of synthetic resin, is integratedly fixed to both edges of the body, and is equipped with guide grooves(32).

Description

Sliding Type Cover Opening and Shutting Device for Mobile Phone

1 is a perspective view showing an embodiment of a sliding cover opening and closing device for a mobile terminal according to the present invention.

Figure 2 is an exploded perspective view showing an embodiment of a sliding cover opening and closing device for a mobile terminal according to the present invention.

Figure 3 is a plan view showing an embodiment of a sliding cover opening and closing device for a mobile terminal according to the present invention.

Figure 4 is a side view of the installation state showing one embodiment of a sliding cover opening and closing device for a mobile terminal according to the present invention.

Figure 5 is a partial cross-sectional view showing an embodiment of a sliding cover opening and closing device for a mobile terminal according to the present invention.

Figure 6 is a perspective view showing an elastic member in one embodiment of a sliding cover opening and closing device for a mobile terminal according to the present invention.

Figure 7 is a plan view showing an elastic member in one embodiment of a sliding cover opening and closing device for a mobile terminal according to the present invention.

Figure 8 is a perspective view showing the manufacturing process of the elastic member in one embodiment of the slide cover opening and closing device for a mobile terminal according to the present invention.

9 is a plan view for explaining an example in which the zigzag width of both ends of the main elastic body is formed larger in one embodiment of the sliding cover opening and closing device for a mobile terminal according to the present invention.

FIG. 10 is a plan view illustrating an example in which a zigzag width of a main elastic body is gradually increased toward both ends in one embodiment of a slide type cover opening and closing device for a mobile terminal according to the present invention.

11 is a plan view for explaining an example in which the zigzag spacing of the main elastic body becomes smaller toward both ends in one embodiment of the slide-type cover opening and closing device for a mobile terminal according to the present invention.

Figure 12 is a plan view showing another embodiment of the elastic member in one embodiment of a sliding cover opening and closing device for a mobile terminal according to the present invention.

FIG. 13 is a cross-sectional view taken along the line A-A of FIG.

14 is a front view showing still another embodiment of the elastic member in one embodiment of the slide-type cover opening and closing device for a mobile terminal according to the present invention.

15 is a cross-sectional view taken along the line B-B in FIG.

Figure 16 is an exploded perspective view showing the installation state of the hinge pin in an embodiment of a sliding cover opening and closing device for a mobile terminal according to the present invention.

17 is a cross-sectional view showing the installation state of the hinge pin in an embodiment of a slide type cover opening and closing device for a mobile terminal according to the present invention.

18 is a plan view showing a state in which the cover of the portable terminal is half open in one embodiment of the sliding cover opening and closing device for a portable terminal according to the present invention.

19 is a side view showing a state in which the cover of the portable terminal is half open in one embodiment of the slide-type cover opening and closing device for a mobile terminal according to the present invention.

20 is a plan view showing a state in which the cover of the portable terminal fully open in one embodiment of the slide-type cover opening and closing device for a mobile terminal according to the present invention.

Figure 21 is a side view showing a state in which the cover of the portable terminal fully open in one embodiment of the slide-type cover opening and closing device for a mobile terminal according to the present invention.

Figure 22 is a perspective view of the elastic member showing another embodiment of the slide-type cover opening and closing device for a mobile terminal according to the present invention.

Figure 23 is a plan view of the elastic member showing another embodiment of the sliding cover opening and closing device for a mobile terminal according to the present invention.

24 is a cross-sectional view showing a hinge pin in another embodiment of a sliding cover opening and closing device for a mobile terminal according to the present invention.

The present invention relates to a sliding cover opening and closing device for a mobile terminal, and more particularly, because the metal material is not exposed to the outside to prevent damage caused by friction when opening and closing the cover and the mobile terminal slide cover for smooth operation It relates to a switchgear.

In general, in order to use services such as broadcasting and communication wirelessly while moving in places other than a fixed location, mobile terminals such as mobile phones, PDAs, notebook computers, and DMB phones are frequently used.

The portable terminal is one of the essential necessities indispensable in order to enjoy the convenience of life according to the development of the information industry, and the mobile phone is widely distributed to elementary, middle and high school students and the elderly.

In the portable terminal as described above, various methods are applied to open and close the cover, which can be divided into a hinge method, a slide method, and a swing method.

In particular, the portable terminal for opening and closing the cover by a slide method is one of the most widely applied methods in recent years because of various advantages such as easy to use, less trouble, and a stylish design.

The basic structure of the mobile terminal for opening and closing the cover by the slide method is a configuration for sliding up and down the cover installed with the display unit from the main body in which the keypad is installed, such as conventional slides for mobile terminals having various structures based on the basic structure Type switchgear is manufactured mainly by each manufacturer.

For example, the conventional sliding cover opening and closing device for a mobile terminal is made of a guide member fixed to the main body of the mobile terminal, a plate-like movement fixed to the cover of the mobile terminal and slidably assembled to the guide member A member and an elastic member are rotatably supported at both ends of the moving member and the guide member so that the sliding of the movable member can be made more easily and smoothly.

The elastic member is configured to allow the rest of the cover to naturally slide by the elastic restoring force as the user applies the force to the cover until the movable member slides for a certain period in the open or closed state of the portable terminal. .

In the conventional sliding cover opening and closing device for a mobile terminal configured as described above is to use a coil spring or a torsion spring as an elastic member, in this case to make contact with the guide member and the moving member during the flow of the opening and closing of the cover. Therefore, the guide member and the moving member will be damaged such as scratches.

In addition, the elastic member is in contact with the guide member, the moving member, and the like, causing noise and frictional resistance.

In the slide cover opening and closing device for a conventional portable terminal configured as described above, the coil spring or the torsion spring used as the elastic member is made of high quality materials with high elastic modulus, thereby providing a factor of increasing the manufacturing cost.

In addition, two or more elastic members are often used for smooth opening and closing operations, thereby increasing the number of parts and degrading assembling and productivity.

Furthermore, in the conventional slide type opening and closing device for a mobile terminal, since the riveting or punching is performed to couple the elastic member to the guide member or the moving member, it becomes difficult to reduce the assemblability, improve productivity and reduce manufacturing cost.

An object of the present invention is to solve the above problems, since the soft synthetic resin wraps around the outer side of the main elastic material of the metal material, the elastic modulus increases and damage caused by contact with the guide member and the moving member This is to provide a sliding cover opening and closing device for a portable terminal is prevented and smooth opening and closing operation is made due to a decrease in frictional resistance.

Another object of the present invention is to compress or stretch the elastic member by forming the elastic member in a zigzag type and forming the zigzag width at both ends larger than the center portion or by forming the zigzag spacing at both ends smaller than the center portion. It is to provide a slide-type cover opening and closing device for a mobile terminal that is performed naturally, so that the opening and closing operation of the cover of the mobile terminal is smooth and smooth.

The slide cover opening and closing device for a mobile terminal proposed by the present invention is installed between a plate-shaped guide member, the guide member and the movable member, and both ends are rotatably coupled to the guide member and the movable member, and have a zigzag shape. It includes an elastic member formed.

The elastic member includes a main elastic body made of a metal material and formed by bending the center part in a zigzag, and an auxiliary elastic body made of synthetic resin and formed to surround the outside of the main elastic body.

The main elastic body is made of spring steel or the like.

The auxiliary elastic body is made of urethane rubber or the like.

The main elastic body and the auxiliary elastic body are formed integrally by insert injection or ultrasonic welding.

The main elastic body is a main elastic portion that is formed bent in a zigzag in a wavy shape, a pair of extensions formed bent at right angles at both ends of the main elastic portion, and at the opposite end of the main elastic portion of the extension It consists of a pair of connecting ring formed bent in an annular shape.

The auxiliary elastic body is formed of an auxiliary elastic portion formed to surround the main elastic portion of the main elastic body, and a pair formed at both ends of the auxiliary elastic portion is bent at a right angle and formed to surround the extension portion of the main elastic body And a hinge hole in which the auxiliary extension part of the auxiliary extension part is formed to extend from the opposite end of the auxiliary elastic part and formed to surround the connecting ring part of the main elastic body, and the shaft part of the hinge pin penetrates in the center. It consists of a pair of connecting plate portion.

The present invention may further comprise a pair of hinge pins rotatably coupled to both end portions of the elastic member to the guide member and the moving member.

In the guide member and the moving member, a pair of assembling holes to which the hinge pins are assembled are formed, respectively.

The hinge pin has a plate-shaped head portion, a cylindrical shaft portion which is integrally formed on one side of the head portion and is assembled to the assembly holes of the guide member and the moving member through the hinge hole of the auxiliary elastic body of the elastic member; And a locking jaw portion formed at an opposite end of the head of the shaft portion and fixed around the assembly hole, and a cut portion formed in the shaft portion to branch part or all of the shaft portion to two or more branches.

Next, a preferred embodiment of the slide cover opening and closing device for a mobile terminal according to the present invention will be described in detail with reference to the drawings.

First, an embodiment of the slide-type cover opening and closing device for a mobile terminal according to the present invention, as shown in Figures 1 to 5, the plate-shaped guide member 20, the guide member 20 is slidably coupled to The plate-shaped moving member 40, the elastic member 50 is installed between the guide member 20 and the moving member 40, and the elastic member 50 to the guide member 20 and the moving member 40 It comprises a hinge pin 100 for rotatably coupling both ends of the support).

The guide member 20 can be generally implemented in the same configuration as the guide member widely used in the sliding cover opening and closing device for a mobile terminal.

For example, the guide member 20 is a body 22 made of a metal plate, and made of synthetic resin, and is integrally fixed to both edges of the body 22 and the guide groove 32 is formed 1 It comprises a pair of groove member 30.

The guide member 20 as described above is formed with an assembly hole 24 to which the hinge pin 100 is assembled.

Also in the said moving member 40, it can be carried out by the same structure as the guide member widely used for the slide type opening / closing apparatus for portable terminals in general.

For example, the moving member 40 is made of metal or synthetic resin and bent in a substantially "b" shape at both corners to be slidably coupled to the guide groove 32 of the groove member 30. 42 are formed respectively.

The moving member 40 as described above is formed with an assembly hole 44 to which the hinge pin 100 is assembled.

In the above, the guide member 20 is mainly fixed to the main body 12 of the mobile terminal 10, the moving member 40 is mainly fixed to the cover 16 of the mobile terminal 10.

As shown in FIGS. 6 to 8, the elastic member 50 is formed of a main elastic body 51 formed using a metal and bent in a zigzag middle part, and made of synthetic resin, and the main elastic body 51. It is formed to include the auxiliary elastic body 60 is formed to surround the outer.

The main elastic body 51 is a main elastic portion 52 formed in a zigzag bend in a wavy shape, and a pair of extension portions 54 are bent at substantially right angles at both ends of the main elastic portion 52. ) And a pair of linking rings 56 formed at the ends opposite to the main elastic portion 52 of the extension portion 54, each being bent in an annular shape.

Zig-zag width (b) and spacing (s) of the main elastic portion 52 is formed substantially uniformly.

Although the zigzag width b of the main elastic portion 52 has been described as being uniformly formed, the present invention is not limited thereto, and as shown in FIGS. 9 and 10, the zigzag width b is larger than the center portion. It is also possible to make the ends larger.

In the case of FIG. 9, an example in which the zigzag width b is formed at both ends is large, and in FIG. 10, an example in which the zig-zag width b is gradually increased from the center to both ends is shown. .

In addition, although the main elastic portion 52 has been described as having a uniform zigzag spacing s, the present invention is not limited thereto, and as shown in FIG. 11, the zigzag spacing s at both ends from the center portion is shown. It is also possible to form this smaller.

11 illustrates an example in which the zigzag spacing s gradually decreases from the center to both ends, and although not shown in the drawing, the zigzag spacing s may be formed to be small at both ends.

The auxiliary elastic body 60 is formed to surround the main elastic portion 52 of the main elastic body 51, the auxiliary elastic portion 62 and are installed at substantially right angles at both ends of the auxiliary elastic portion 62 A pair of auxiliary extension portions 64 which are bent and formed to surround the extension portion 54 of the main elastic body 51 and opposite ends of the auxiliary elastic portions 62 of the auxiliary extension portions 64 are installed. It comprises a pair of connecting plate portion 66 is formed extending from the portion and formed so as to surround the connecting ring portion 56 of the main elastic body (51).

The auxiliary elastic body 60 as described above is formed in a band shape having a substantially rectangular cross section.

In the above, the main elastic body 51 is made of a metal having excellent elasticity (for example, spring steel, etc.), and the auxiliary elastic body 60 is made of a soft resin having excellent elasticity (for example, urethane rubber, etc.). It is done by

The main elastic body 51 and the auxiliary elastic body 60 are manufactured in one piece through ultrasonic welding.

That is, as shown in Figure 8, the auxiliary elastic body 60 is produced by dividing the upper member (61a) and the lower member (61b) through injection molding and then the elastic body (51) the upper member (61a) and the lower member It is installed between the (61b) and the ultrasonic wave is applied to the upper member (61a) and the lower member (61b) by fusion to fix integrally.

The main elastic body 51 and the auxiliary elastic body 60 may be manufactured integrally by insert injection molding.

One main elastic body 51 is installed inside the auxiliary elastic body 60.

As shown in FIGS. 12 and 13, two main elastic bodies 51 may be provided at predetermined intervals along the width direction of the auxiliary elastic body 60, and although not shown in the drawing, three to five may be provided. It is also possible to be installed.

As shown in FIGS. 14 and 15, two main elastic bodies 51 may be provided at predetermined intervals along the up-down direction (thickness direction) of the auxiliary elastic body 60. It is possible to install ~ 5 pieces.

When two or more auxiliary elastic bodies 60 are installed in the above, it is also possible to form a smaller diameter than when one is installed.

In the auxiliary elastic body 60, the connecting plate portion 66 has a pair of hinge holes 68 formed through the central portion of the connecting ring portion 56 in the main elastic body 51, respectively. 100 is assembled to the assembly holes 24 and 44 of the guide member 20 and the moving member 40 through the hinge hole 68, respectively.

16 and 17, the hinge pin 100 is formed integrally with the plate-shaped head 102 and one side of the head 102 and assembled through the hinge hole 68. A cylindrical shaft portion 104 to be assembled to the holes 24 and 44, and protruded to the opposite end of the head portion 102 of the shaft portion 104, and formed around the assembly holes 24 and 44. It comprises a locking jaw portion 106 is fixed to the hook portion and the incision portion 108 for dividing part or all of the shaft portion 104 divided into two or more branches.

In the auxiliary elastic body 60, seating grooves 67 in which the head 102 of the hinge pin 100 is seated may be formed around the hinge holes 68 on both sides of the connecting plate 66. Do.

When the mounting groove 67 is formed as described above, since the assembling direction of the elastic member 50 can be freely selected, assemblability is greatly improved.

And another embodiment of the slide-type cover opening and closing device for a mobile terminal according to the present invention, as shown in Figures 22 to 24, the elastic member 70 is made of a metal and bent in a predetermined pattern is formed It includes an elastic body 71 and the auxiliary elastic body 80 is formed by using a synthetic resin and formed so as to surround the outside of the main elastic body 71 and a pair of hinge pins 90 are formed at both ends, respectively. It is done by

The main elastic body 71 can be formed by the same configuration as the main elastic body 51 of the above-described embodiment.

For example, the main elastic body 71 has a main elastic portion 72 formed by bending in a zigzag form in a wave shape, and a pair of main elastic portions 72 formed by bending at substantially right angles at both ends of the main elastic portion 72. It consists of an extension portion 74 and a pair of linking portions 76 which are bent in an annular shape at opposite ends of the main elastic portion 72 of the extension portion 74, respectively.

The auxiliary elastic body 80 is formed in the auxiliary elastic body 60 of the above-described embodiment except that the hinge pin portion 90 is integrally formed instead of forming the hinge hole 68 in the connecting plate portion 66. It is possible to implement in the same configuration as the auxiliary elastic body 60 of one embodiment.

For example, the auxiliary elastic body 80 is formed in a band shape bent in a zigzag in a wavy shape and the auxiliary elastic portion 82 in which the main elastic portion 82 is installed therein, and has a straight band shape. A pair of auxiliary extension portions 84 formed at right angles at both ends of the auxiliary elastic portion 82 and having extension portions 74 of the main elastic bodies 71 installed therein, and in a plate shape. A pair of connecting plate parts 86 formed integrally with opposite ends of the auxiliary elastic parts 82 of the auxiliary extension part 84 and having the connection ring part 76 of the main elastic body 71 installed therein. Is made of.

The hinge pin portion 90 is formed integrally on one side of the connecting plate portion 86 and is a cylindrical shaft portion assembled to the assembling holes 24 and 44 of the guide member 20 and the moving member 40. (94), a locking jaw portion (96) formed at the end of the shaft portion (94) and fixed around the assembly holes (24) and (44), and all or part of the shaft portion (94) is two. It consists of a cutout 98 formed along the longitudinal direction of the shaft portion 94 so as to be divided into more than forked.

As the hinge pin portion 90 is integrally formed on the connecting plate portion 86 of the auxiliary elastic body 80 as described above, it is not necessary to manufacture a hinge pin separately, thereby reducing parts and thus improving workability.

Also in the above-described other embodiments, the present invention can be implemented in the same configuration as the above-described embodiment except for the above-described configuration, and thus detailed description thereof will be omitted.

Next, the operation of the sliding cover opening and closing device for a mobile terminal according to the present invention made as described above will be described in detail with reference to the drawings.

First, in the state in which the cover 6 of the portable terminal 10 is closed, as shown in FIGS. 3 and 4, the movable member is provided in the guide groove 32 of the groove member 30 installed in the guide member 20. The assembled state of the rails 42 formed on both sides of one (upper) end of the 40 is maintained, and the elastic member 50 is inclined (beveled) in the moving direction of the cover 6. Both ends are connected to the guide member 20 and the movable member 40.

18 and 19, when the cover 6 is pushed upward until it is opened halfway, the intermediate portion of the movable member 40 is assembled to the guide member 20. Both ends of the elastic member 50 are rotated about the hinge pin 100, respectively, and are positioned at substantially right angles to the moving direction of the cover 6.

In the above state, the elasticity of the elastic member 50 is maximized to the maximum, and the user does not apply the force to the cover 6 any more, but the movable member 40 is moved upward by the elasticity of the elastic member 50. The sliding movement is automatically performed.

As the movable member 40 moves as described above, the cover 6 is completely opened while the other (lower) end of the movable member 40 is assembled to the guide member 20. Both ends of the member 50 are inclined in the moving direction of the moving member 40 while rotating at each of the hinge pins 100 (see FIGS. 20 and 21).

When the cover 16 of the portable terminal 10 is closed, since the operation is performed in the reverse order as when the cover 6 is opened, detailed description thereof will be omitted.

In the above description of the preferred embodiment of the sliding cover opening and closing device for a mobile terminal according to the present invention, the present invention is not limited to this, but the claims and the detailed description of the invention, various modifications within the scope of the accompanying drawings It is possible to implement, and this is also within the scope of the present invention.

According to the slide-type cover opening and closing device for a mobile terminal according to the present invention made as described above, since the outside of the elastic member is made of synthetic resin does not damage the guide member or the moving member during the flow.

In addition, since the friction does not increase or cause noise, the opening and closing operation of the cover is naturally and smoothly performed in the portable terminal.

According to the slide-type cover opening and closing device for a mobile terminal according to the present invention, since the main elastic body and the auxiliary elastic body serves as an elastic body, the structure is simple and excellent in elasticity.

In addition, since the elastic modulus of the main elastic body may be lower than that of the related art, it is possible to reduce raw material costs and improve productivity.

According to the sliding cover opening and closing device for a mobile terminal according to the present invention, the compression of the elastic member by forming the zigzag width of the main elastic body at both ends larger than the center portion or by forming the zigzag spacing at both ends smaller than the center portion Since the tension is naturally performed, the opening and closing operation of the cover of the mobile terminal is smoothly and smoothly performed.

According to the slide-type cover opening and closing device for a mobile terminal according to the present invention, assembling of the hinge pin for rotatably coupling and supporting the elastic member is easy and simple structure, thereby improving assembly performance.

Furthermore, since the number of parts is reduced by integrally forming the hinge pin part on the elastic member, workability is improved and manufacturing cost can be reduced.

Furthermore, when the mounting grooves on which the hinge pins are seated are formed on both sides of the elastic member, the assembly direction can be freely selected, so assemblability is greatly improved.

Claims (13)

A plate-shaped guide member having an assembly hole formed therein, a plate-shaped moving member slidably coupled to the guide member and having an assembly hole formed therebetween, and provided at both ends of the guide member and the moving member and installed between the guide member and the moving member. And a pair of hinge pins which are rotatably coupled and supported and formed in a zigzag shape, and a pair of hinge pins respectively assembled to the guide member and the movable member to rotatably couple both ends of the elastic member. In the sliding cover opening and closing device for a terminal, The hinge pin has a plate-shaped head portion, a cylindrical shaft portion integrally formed on one side of the head portion, a locking jaw portion formed at an end opposite to the head portion of the shaft portion, and a portion of the shaft portion formed on the shaft portion or Including an incision branching all over two branches, The elastic member includes a main elastic body made of a metal material and formed by bending the center portion in a zigzag, and an auxiliary elastic body made of synthetic resin and formed to surround the outside of the main elastic body, The main elastic body is formed in a zigzag bend in a wavy shape and formed in a larger zigzag width at both ends than the center portion or formed so that the zigzag width gradually increases from the central portion to both ends, and the main elastic portion, A pair of extension portions formed at both ends and bent at right angles, and a pair of connection loop portions formed at each end opposite to the main elastic portion of the extension portion and bent in an annular shape, The auxiliary elastic body is formed of an auxiliary elastic portion formed to surround the main elastic portion of the main elastic body, and a pair formed at both ends of the auxiliary elastic portion is bent at a right angle and formed to surround the extension portion of the main elastic body And a hinge hole in which the auxiliary extension part of the auxiliary extension part is formed to extend from the opposite end of the auxiliary elastic part and formed to surround the connecting ring part of the main elastic body, and the shaft part of the hinge pin penetrates in the center. Sliding cover opening and closing device for a mobile terminal comprising a pair of connecting plate portion. delete delete delete delete delete delete The method according to claim 1, A sliding cover opening and closing device for a mobile terminal is formed on each side of the connecting plate portion of the auxiliary elastic body is formed by each pair of seating grooves for seating the head of the hinge pin around the hinge hole. A plate-shaped guide member having an assembly hole formed therein, a plate-shaped moving member slidably coupled to the guide member and having an assembly hole formed therebetween, and provided at both ends of the guide member and the moving member and installed between the guide member and the moving member. In the sliding cover opening and closing device for a mobile terminal comprising a resilient coupling is supported and formed in a zigzag shape, The elastic member is made of a metal material and the main elastic body is formed by bending the zigzag in the center portion, the auxiliary elastic body made of synthetic resin and formed to surround the outside of the main elastic body, and both ends of the auxiliary elastic body A pair of hinge pins integrally formed in the portion and assembled in the assembly holes of the guide member and the moving member, respectively; The main elastic body is a main elastic portion that is formed bent in a zigzag in a wavy shape, a pair of extensions formed bent at right angles at both ends of the main elastic portion, and at the opposite end of the main elastic portion of the extension Including a pair of connecting ring portion formed bent in an annular shape, The auxiliary elastic body is formed of an auxiliary elastic portion formed to surround the main elastic portion of the main elastic body, and a pair formed at both ends of the auxiliary elastic portion is bent at a right angle and formed to surround the extension portion of the main elastic body And a connecting plate portion formed to extend from the opposite end of the auxiliary elastic portion of the auxiliary extending portion of the auxiliary extension portion, formed to surround the connecting ring portion of the main elastic body, and the hinge pin portion is integrally formed. The hinge pin portion is formed integrally on one side of the connecting plate portion of the auxiliary elastic body and has a cylindrical shaft portion assembled to the assembly hole of the guide member and the moving member, and is formed at the end of the shaft portion and hung around the assembly hole. Sliding cover opening and closing device for a mobile terminal including a locking jaw portion is fixed, and a cutout portion formed along the longitudinal direction of the shaft portion so that all or the end portion of the shaft portion is divided into two or more. delete delete delete delete

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