TWI407884B - Slip device - Google Patents

Abstract

The present invention discloses a slip device. The slip device includes a substrate, a slip piece, a protecting cover and a flexibility piece. The said protecting cover is fixed on the substrate and the said flexibility piece is stretching connected with the slip piece and the protecting cover. The slip piece is setting between the protecting cover and the substrate and to which can slip relative to. The said slip piece includes one covering portion and two slip portions which are set by the sides of the covering portions. The said slip portions and the covering portion are made by different materials. The slip portion is made by cannot be plated material and the covering portion is made by can be plated material.

Description

Sliding mechanism

The invention relates to a sliding mechanism, in particular to a sliding mechanism of a camera window.

At present, a mounting hole is formed in the casing of the mobile phone with the built-in camera on the lens of the camera. The mounting hole cover is provided with a transparent protective cover to protect the built-in lens. In order to facilitate installation and decoration, the area of the protective cover is usually much larger than the lens portion of the camera. The protective cover is provided with a light transmitting portion opposite to the lens, and other parts of the protective cover can be printed with a decorative pattern or a product trademark. The protective cover is usually fixed to an outer frame member during installation, and the outer frame member is engaged in the mounting hole and coupled to the mobile phone case. In order to protect the light-transmitting part of the protective cover from the pollution of the air or the environment, the shooting effect may be affected, and a cover member and a protective cover may be disposed between the protective cover and the outer frame member for relative sliding. a slider comprising a sliding portion and a covering portion. When not shooting, the slider moves to one end of the transparent portion of the protective cover to shield the transparent portion, and the slider can be moved to the other end of the protective cover when shooting, and the light can enter through the protective cover. Shooting in the lens.

The above sliding member is usually formed by injection molding of a plastic material. In order to impart a metallic effect to the slider, the slider will also be plated after injection molding. However, the surface of the sliding member is covered with a metal layer after the plating treatment, so that the sliding coefficient of the sliding member relative to the protective cover and the outer frame member is large when sliding, so that the sliding is not smooth, and the sliding portion of the sliding member is easily damaged. Thereby affecting the use. Of course, it is also possible to carry out the anti-plating treatment of the sliding portion of the sliding member when the sliding member is plated. However, in this treatment, the anti-plating layer of the sliding portion needs to be peeled off after the plating, one of which In addition, the process of the product is increased, and on the other hand, it is difficult to completely peel off the anti-plating layer covering the sliding portion, thereby affecting the appearance and performance of the product.

In view of this, it is necessary to provide a sliding mechanism having a good sliding effect.

A sliding mechanism includes a body, a sliding member, a protective cover and an elastic member. The protective cover is mounted on the body, and the elastic member is disposed between the sliding member and the protective cover and respectively corresponding to the sliding member And the protective cover is elastically connected, the sliding member is disposed between the protective cover and the body and is slidable relative to the body and the protective cover, the sliding member comprises a covering portion and two sliding portions disposed on two sides of the covering portion, the sliding portion and The covering portion is a one-piece molded body formed by two different plastic double-shot injection molding, the material of the sliding portion is a non-electroplatable material, and the material of the covering portion is an electroplatable material.

Compared with the prior art, the sliding portion and the covering portion of the sliding member of the sliding mechanism of the present invention are integrally injection molded by different materials, and the material of the sliding portion is excellent in sliding performance and cannot be metallized by chemical method. On the one hand, the sliding portion has a lower friction coefficient with respect to the protective cover and the body, so that the sliding mechanism of the invention has smoother sliding and better use effect, and on the other hand, when the covering portion is metallized and plated. The anti-plating treatment of the sliding portion and the subsequent anti-plating stripping process can be avoided, and the incomplete peeling of the anti-plating layer after the electroplating treatment is affected, which affects the appearance and use effect of the product, and the production cost is reduced.

100‧‧‧Sliding mechanism

10‧‧‧ Ontology

12‧‧‧Sliding parts

14‧‧‧ protective cover

101‧‧‧ first window

103‧‧‧ second window

102‧‧‧ side wall

104‧‧‧First end

108‧‧‧second end

106‧‧‧Barrier

121‧‧‧ Covering Department

123‧‧‧Sliding Department

129‧‧‧Sliding handle

125‧‧‧Bumps

16‧‧‧Flexible parts

161‧‧‧ ring

163‧‧‧hooks

141‧‧‧Light transmission area

140‧‧‧ first surface

142‧‧‧ second surface

145‧‧‧bonding zone

143‧‧‧ round hole

146‧‧ ‧ gap

127‧‧‧ sets of columns

1022‧‧‧First window wall

1024‧‧‧Second window wall

1028‧‧‧rails

1026‧‧‧bonding belt

1027‧‧‧Connecting wall

1 is a schematic perspective view of a sliding mechanism of a preferred embodiment of the present invention.

2 is a perspective exploded view of a sliding mechanism according to a preferred embodiment of the present invention.

3 is a perspective exploded perspective view of another embodiment of the sliding mechanism of the preferred embodiment of the present invention.

Figure 4 is an enlarged cross-sectional view of the slider of the sliding mechanism of Figure 2 taken along the line IV-IV.

Referring to FIG. 1 to FIG. 2, the sliding mechanism 100 of the preferred embodiment of the present invention can be a sliding mechanism of a camera window of a portable electronic device such as a mobile phone or a camera. The sliding mechanism 100 includes a body 10 , a sliding member 12 , a protective cover 14 and an elastic member 16 . The protective cover 14 is mounted on the body 10 . The sliding member 12 is between the protective cover 14 and the body 10 . The elastic member 16 is disposed between the sliding member 12 and the protective cover 14 and is elastically coupled to the sliding member 12 and the protective cover 14 respectively.

The body 10 is injection molded from a plastic material selected from the group consisting of an acrylonitrile-styrene-butadiene copolymer or a mixture of an acrylonitrile-styrene-butadiene copolymer and a polycarbonate. In order to make the body 10 have a metallic texture and function as an antistatic, the body 10 is plated with a metal layer.

The body 10 is substantially a rectangular frame structure. The body 10 defines a first window 101 and a second window 103 extending through the two surfaces. The first window 101 is adjacent to the second window 103. And a parallel side wall 102 and a first end portion 104 and a second end portion 108 connected to the two side walls 102, and a partition portion 106 between the first window 101 and the second window 103, the partition portion 106 is parallel The first end portion 104 and the second end portion 108 are provided. The first window 101 is provided for mounting a protective member of the camera flash.

With further reference to FIG. 3 , each side wall 102 includes a first window wall 1022 surrounding the first window 101 and a second window wall 1024 surrounding the second window 103 . Each of the second window walls 1024 includes a bonding strip 1026 and a sliding rail 1028 protruding from the bonding strip 1026 toward the second window 103. The sliding rail 1028 and the bonding strip 1026 are connected by a connecting wall 1027. The connecting wall 1027 is perpendicular to the sliding rail 1028 and the bonding strip 1026, respectively. The bonding tape 1026 on the second window wall 1024 further extends to the first end portion 104 and the blocking portion 106 to form a ring shape for consolidating with the protective cover 14 to fix the protective cover 14 to the body. 10 on.

Referring to FIG. 4 , the sliding member 12 includes a covering portion 121 and two sliding portions 123 disposed on two sides of the covering portion 121 . The two sliding portions 123 are attached to the two sliding rails 105 of the body 10 for sliding. cover The cover portion 121 is disposed with a set of pillars 127 on one side of the protective cover 14 , and one end of the elastic member 16 is sleeved on the sleeve 127 . The cover portion 121 is disposed on an opposite side of the protective cover 14 with an elongated protrusion 125 for facilitating the sliding of the slider 12 on the two slide rails 105 of the body 10. A sliding block 129 is further disposed at one end of a sliding portion 123. The sliding handle 129 is received in the electronic device. The sliding member 12 can drive the slider 129 to slide inside the electronic device to open and close the switch of the camera. .

The two sliding portions 123 and the covering portion 121 are respectively made of two different plastics, and the two sliding portions 123 and the covering portion 121 are formed into a single body molded body by two-shot injection molding. The covering portion 121 is plated with a metal layer to have a metallic appearance effect and an antistatic function. The material of the second sliding portion 123 may be a mixture of polycarbonate and polytetrafluoroethylene, or a mixture of polycarbonate and eucalyptus oil, which are materials which are not electroplated by chemical metallization. The percentage of polytetrafluoroethylene in the mixture of the polycarbonate and the polytetrafluoroethylene may be 5 to 15%. The two sliding portions 123 made of a mixture of polycarbonate and polytetrafluoroethylene or a mixture of polycarbonate and eucalyptus oil have good sliding performance with respect to the two slide rails 105 of the body 10, so that the sliding member 12 can smoothly slide in the body 10. And the loss of the two sliding portions 123 is smaller when sliding.

The covering portion 121 is formed by injection molding an acrylonitrile-styrene-butadiene copolymer or a mixture of an acrylonitrile-styrene-butadiene copolymer and a polycarbonate, the acrylonitrile-styrene-butyl The mixture of the diene copolymer or the acrylonitrile-styrene-butadiene copolymer and the polycarbonate can be electroplated by metallization. Since the two sliding portions 123 are made of non-platable plastic, when the covering portion 121 of the sliding member 12 after the injection molding is plated, it is not necessary to perform the anti-plating treatment on the second sliding portion 123, and the anti-plating treatment and the subsequent peeling are avoided. The process of the anti-plating layer and the incomplete peeling of the anti-plating layer after the electroplating treatment affect the appearance and use effect of the product. Since the bonding property between the polycarbonate and the acrylonitrile-styrene-butadiene copolymer is good, the bonding performance of the slider 12 and the covering portion 121 after the injection molding is good.

The protective cover 14 is made of a transparent plastic injection molding, and the transparent plastic may be selected from a transparent polycarbonate. Referring to FIG. 2 to FIG. 3 , the protective cover 14 is substantially rectangular parallelepiped and includes a first surface 140 and a second surface 142 opposite to the first surface. A bonding area is formed on the periphery of the first surface 140 . 145, the bonding zone 145 is affixed to the bonding tape 107 such that the protective cover 14 is fixed to the body 10. A circular hole 143 is defined in the protective cover 14, and the other end of the elastic member 16 is embedded in the circular hole 143. A transparent area 141 is disposed on the protective cover 14. The transparent area 141 is opposite to a built-in camera (not shown) for allowing light to enter the lens of the camera through the transparent area 141. The protective cover 14 is formed with a notch 146 at one side wall thereof, and the sliding handle 129 of the sliding member 12 is slidably attached to a portion of the side wall where the notch 146 is formed.

The trademark or model of the ink or product can be printed on the second surface 142 except for the light-transmitting region 141. When the transparent protective cover 14 is mounted on the body 10, the trademark or model of the product can be observed through the first surface 140. It will be appreciated that other areas of the first surface 140 other than the light transmissive area 141 may also be printed with ink or product branding.

The elastic member 16 can be a spring or other elastic connecting member. The elastic member 16 of the present embodiment is preferably a torsion spring, and has an annular portion 161 at one end and a hook portion 163 at the other end. The annular portion 161 is sleeved on the sleeve 127 of the sliding member 12, and the hook portion 161 is embedded in the circular hole 143 of the protective cover 14 to elastically slide the sliding member 12 and the protective cover 14 and The elastic member 16 can provide the sliding force to the slider 12. Since the sliding performance of the two sliding portions 123 of the sliding member 12 of the present invention is good, the sliding member 12 slides more smoothly with respect to the first surface 140 of the protective cover 14, and the loss to the sliding portion 123 is smaller, and the use effect is better.

The slider 12 of the sliding mechanism 100 of the present invention can slide between the first end 104 of the body 10 and the blocking portion 106. When the slider 12 is located on the side of the blocking portion 106, the user pushes the protrusion 125 on the covering portion 121 of the sliding member 12 toward one of the first end portions 104, and the elastic member 16 generates a moving force to urge the sliding member. 12 continues to slide toward the first end portion 104, when the cover portion 121 is resisted by the first When the one end portion 104 is used, the sliding stops, and at this time, the light transmitting region 141 of the protective cover 14 is exposed, and the user can take a picture.

Compared with the prior art, the sliding portion 123 of the sliding member 12 of the sliding mechanism 100 of the present invention and the covering portion 121 are integrally injection molded by different materials, wherein the material of the sliding portion 123 is not chemically metallized. A mixture of electroplated polycarbonate and polytetrafluoroethylene or a mixture of polycarbonate and eucalyptus oil, the sliding portion 123 formed by any one of the mixtures has good sliding properties, so that the sliding member 12 of the present invention has more with respect to the protective cover 14 and the body 10. The friction coefficient is low, the sliding is smoother and the loss to the sliding portion 123 is smaller, and the use effect is better; the covering portion 121 is made of acrylonitrile-styrene-butadiene copolymer or acrylonitrile-styrene-butyl The mixture of the olefinic copolymer and the polycarbonate is electroplated after injection molding (the two plastics can be electroplated after being chemically metallized), since the material forming the sliding portion 123 cannot be electroplated by chemical metallization, When the covering portion 121 is plated, it is not necessary to perform the plating prevention treatment on the sliding portion 123 and the subsequent plating layer peeling step, and the plating layer is prevented from being peeled off after the plating treatment. Affect product appearance and the case of the use of effects, reduces the manufacturing cost of the slide member 12 of the present invention.

12‧‧‧Sliding parts

121‧‧‧ Covering Department

123‧‧‧Sliding Department

127‧‧‧ sets of columns

129‧‧‧Sliding handle

Claims (11)

A sliding mechanism includes a body, a sliding member, a protective cover and an elastic member. The protective cover is mounted on the body, and the elastic member is disposed between the sliding member and the protective cover and respectively corresponding to the sliding member And the protective cover is elastically connected, the sliding member is disposed between the protective cover and the body and is slidable relative to the body and the protective cover, wherein the sliding member comprises a covering portion and two sliding portions disposed on both sides of the covering portion. The sliding portion and the covering portion are one-piece molded bodies formed by two different plastic double-shot injection molding, and the material of the sliding portion is a non-electroplatable material, and the material of the covering portion is an electroplatable material. The sliding mechanism of claim 1, wherein the material forming the two sliding portions is a mixture of polycarbonate and polytetrafluoroethylene. The sliding mechanism of claim 2, wherein the percentage of the polytetrafluoroethylene is 5 to 15%. The sliding mechanism of claim 1, wherein the material forming the two sliding portions is a mixture of polycarbonate and eucalyptus oil. The sliding mechanism according to claim 1, wherein the material forming the covering portion is an acrylonitrile-styrene-butadiene copolymer or an acrylonitrile-styrene-butadiene copolymer and a polycarbonate. a mixture of esters. The sliding mechanism of claim 1, wherein the protective cover is made of transparent plastic, and includes a first surface and a second surface opposite to the first surface, the periphery of the first surface being formed There is a binding zone. The sliding mechanism of claim 6, wherein the body is substantially a rectangular frame structure, and the body has a first window penetrating through the two surfaces and a second window adjacent to the first window. Forming two opposite and parallel side walls and a first end connected to the two side walls And a second end portion and a partition portion between the first window and the second window, the partition portion being parallel to the first end portion and the second end portion. The sliding mechanism of claim 7, wherein each of the side walls comprises a first window wall surrounding the first window and a second window wall surrounding the second window, each second window wall comprising a bonding band And a sliding rail protruding from the bonding belt toward one side of the second window, wherein the two bonding bands of the two second window walls respectively extend to the first end portion and the blocking portion to form a ring shape, and the protective cover A bonding zone of the first surface is affixed to the annular bonding strip. The sliding mechanism of claim 8, wherein each of the sliding rails and the bonding belt are connected by a connecting wall perpendicular to the sliding rail and the bonding belt; the sliding portion of the sliding member is attached to The second sliding rail and the first surface of the protective cover slide. The sliding mechanism of claim 1, wherein one end of the elastic member is provided with an annular portion, and the other end of the elastic member is provided with a hook portion. The sliding mechanism of claim 10, wherein the protective cover defines a circular hole, and the covering portion of the sliding member is provided with a set of columns with respect to one side of the protective cover, and the annular portion of the elastic member is sleeved. The hook portion of the elastic member is hooked into the circular hole of the protective cover.