TWI407757B - Sliding mechanism and portable electronic device using the same - Google Patents

Abstract

The invention discloses a sliding mechanism including a fixing body, a sliding body slidably cooperating with the fixing body, two friction plates, a roller and a coil spring. The fixing body defines a sliding groove thereon. The two friction plates is mounted on the fixing body and located near the two opposite sides of the sliding groove. The roller is assembled between the fixing body and the sliding body to drive the sliding body slide relative to the fixing body and roll relative to the friction plate. The coil spring is assembled with the roller to store energy and drive the roller roll relative to the fixing body. The invention also discloses a portable electronic device using the sliding mechanism.

Description

Slide mechanism and portable electronic device having the same

The invention relates to a sliding cover mechanism, in particular to a sliding cover mechanism applied to a portable electronic device and a portable electronic device having the sliding cover mechanism.

With the rapid development of communication business, mobile electronic devices such as mobile phones and personal digital assistants (PDAs) have become an indispensable communication tool in people's daily lives. In order to meet the needs of consumers with different hobbies, more and more portable electronic devices of different styles and models have emerged. A large part of these portable electronic devices employ a slide mechanism.

Generally, the sliding mechanism includes a fixing member and a sliding member that cooperates with the fixing member and can slide relative to each other. When the sliding mechanism is applied to a portable electronic device, the fixing member is fixed to the lower casing of the portable electronic device, and the sliding member is fixed to the upper casing of the portable electronic device. The upper housing and the lower housing of the portable electronic device are slidably mounted together by the sliding mechanism. In use, the upper casing needs to be manually moved a certain distance so that the upper casing slides open relative to the lower casing.

However, the conventional sliding mechanism is prone to wear after prolonged use, resulting in uneven sliding of the sliding mechanism, thereby affecting the smoothness and the service life of the sliding mechanism during sliding.

In view of this, it is necessary to provide an effective extension of service life and operation. Smooth sliding mechanism.

It is also necessary to provide a portable electronic device that should have the slider mechanism.

A sliding mechanism includes a fixing member and a sliding member slidably mounted on the fixing member, the fixing member is provided with a sliding slot, the sliding slot includes a first sliding groove, and a first a second sliding groove disposed in parallel with the sliding groove and a connecting sliding groove connecting the first sliding groove and the second sliding groove; the sliding mechanism further comprises two friction plates, a roller and a coil spring, The two friction plates are oppositely disposed on two sides of the sliding slot; the roller is clamped between the fixing member and the sliding member, and includes a guiding strut protruding from a surface thereof, the guiding sliding column is slidably Passing through and receiving in the sliding groove; the outer circumferential surface of the roller is relatively rollingly mounted on a friction plate, and the coil spring is clamped between the roller and the sliding member; the sliding member is pushed The roller is driven to move along the sliding slot. At the same time, the roller rolls against the friction plate and drives the coil spring to curl; when the roller slides to the connecting sliding groove, the roller is switched to be in rolling contact with the other friction plate, and at the same time, the coil spring Release and drive the roller to roll and drive the slider to slide away from the fixing member.

A portable electronic device includes a body, a sliding cover and a sliding cover mechanism, wherein the body and the sliding cover are slidably mounted together by a sliding mechanism; the sliding cover mechanism comprises a fixed sliding cover a fixing member and a sliding member fixed to the body and slidably mounted with the fixing member; the fixing member is provided with a sliding slot, the sliding slot includes a first sliding groove, and a first sliding a second sliding groove disposed in parallel with the shifting groove and a connecting sliding groove connecting the first sliding groove and the second sliding groove; the sliding cover mechanism further comprises two friction plates, one a roller and a coil spring, the two friction plates are oppositely disposed on two sides of the sliding groove; the roller is clamped between the fixing member and the sliding member, and comprises a guiding column protruding from a surface thereof, The guide rail is slidably passed through and accommodated in the sliding slot; the outer circumferential surface of the roller is relatively rollingly mounted on a friction plate, and the coil spring is clamped between the roller and the sliding member When the sliding member is pushed, the roller is driven to move along the sliding slot, and at the same time, the roller rolls against the friction plate and drives the coil spring to curl; when the roller slides to the connecting sliding groove, the roller is switched to be in rolling contact with the other friction plate; At the same time, the coil spring releases and drives the roller to roll and drives the sliding member to slide away relative to the fixing member.

Compared with the conventional sliding mechanism, the sliding mechanism slidably mounts the fixing member and the sliding member by using a roller and a coil spring, thereby effectively achieving the semi-automatic opening of the sliding cover relative to the fixing member. The sliding mechanism has a simple structure, and the relative sliding between the fixing member and the sliding member is more stable, and the overall performance of the sliding mechanism can be enhanced.

The sliding mechanism shown in the preferred embodiment of the present invention can be used in a portable electronic device such as a slide type mobile phone or a personal digital assistant (PDA). This embodiment is described by taking an example of a slide type mobile phone.

Referring to FIG. 1, the mobile phone 100 includes a body 10 as a main unit, a slide cover 20 as a slide unit, and a slide mechanism 30 (refer to FIG. 2). The main body 10 is provided with a plurality of buttons 12, and the sliding cover 20 is provided with a display screen 22 and a plurality of function keys 24. The body 10 and the sliding cover 20 are slidably mounted by the sliding mechanism 30. together.

Referring to FIG. 2 and FIG. 3 together, the sliding mechanism 30 includes a fixing member 40, a sliding member 50, two friction plates 60, a roller 70, a coil spring 80 and an elastic member 90. The fixing member 40 includes a substantially rectangular plate-shaped substrate 41 and two guiding walls 43 formed by a substantially "L"-shaped cross section formed by the opposite longitudinal side edges of the substrate 41. A sliding groove 45 is formed through the middle portion of the substrate 41 in a direction parallel to the guiding wall 43 in the longitudinal direction. The sliding groove 45 includes a first sliding groove 451 , a second sliding groove 452 disposed in parallel with the first sliding groove 451 , and a first sliding groove 451 and a second sliding groove 452 . The connection slip groove 453.

The sliding member 50 includes a substantially rectangular plate-shaped main body 51 and two mounting walls 53 which are formed by bending opposite sides of the opposite side edges of the main body 51 and having a substantially "L" shape in cross section. The sliding member 50 is The fixing members 40 are fitted and slidably mounted together. A substantially through-hole 55 is formed through the substantially central portion of the main body 51 in a direction perpendicular to the two mounting walls 52. A cylindrical stud 57 is protruded from the surface 56 of the main body 51 opposite to the mounting wall 53 extending away from the bending direction. The distance between the two mounting walls 53 of the sliding member 50 is equal to the distance between the two guiding walls 43 of the fixing member 40, so that the two mounting walls 53 of the sliding member 50 are respectively slidable. The ground is matched with the two guiding walls 43 of the fixing member 40.

The two friction plates 60 are substantially rectangular plate-shaped, and their longitudinal lengths are equivalent to the lengths of the guide walls 43 of the fixing member 40. The two friction plates 60 are opposite to each other at a substantially central position on the longitudinal side wall An arcuate projection 63 is oppositely convex. The two friction plates 60 are respectively disposed on opposite sides of the sliding groove 45 on the fixing member 40 and adjacent to the two guiding walls 43 of the fixing member 40. The distance between the two friction plates 60 is greater than the diameter of the outer circumference of the roller 70, and the distance between the arcuate protrusions 63 of the two friction plates 60 is equal to the diameter of the outer circumference of the roller 70. The first sliding groove 451 and the second sliding groove 452 are respectively spaced apart from the nearest friction plate 60 by a distance corresponding to the radius of the roller 70, so that the roller 70 is corresponding to the first slip. When the groove 451 and the second slip groove 452 are slid in the same direction, the friction plate 60 can be correspondingly rolled.

The roller 70 is substantially in the shape of a cylindrical disk. The roller 70 is mounted on the fixing member 40 and is mounted with the sliding member 50 to slide the sliding member 50 relative to the fixing member 40. The roller 70 includes a first surface 71 and a second surface 73 opposite to the first surface 71. A cylindrical guide post 72 is protruded from a center of the first surface 71, and the second surface 73 is disposed on the second surface 73. A cylindrical mounting groove 75 is formed to be recessed downwardly, and a circular peripheral wall 76 is formed correspondingly to the second surface 73. A stepped cylindrical mounting portion 77 is protruded from a center of the bottom wall (not shown) of the mounting groove 75. The mounting portion 77 is connected to the bottom wall of the mounting groove 75. The outer diameter dimension is larger than the outer diameter dimension of the end away from the mounting recess 75. The outer diameter of the end of the mounting portion 77 away from the mounting groove 75 is equivalent to the aperture size of the strip-shaped through hole 55 of the slider 50, so that the end of the mounting portion 77 of the roller 70 is slidably mounted. It is disposed in the strip through hole 55. The peripheral wall 76 is recessed inwardly with the second table The face 73 is in communication with the mounting groove 78 for holding the coil spring 80.

The coil spring 80 is wound into a substantially circular disk shape and is mounted and received in the mounting groove 75 of the roller 70. The coil spring 80 includes a circular hole 82 formed at a central position and a mounting end 85 formed at an outer circumferential end thereof.

The elastic member 90 has a long rod shape, and its two ends are bent back to form two mounting ends 91, 93. The elastic member 90 is mounted on the sliding member 50, and the two mounting ends 91, 93 are respectively corresponding to the protruding post 57 of the sliding member 50 and the mounting portion 77 of the roller 70. The ends of the slots 75 are mounted together such that the rollers 70 abut against a friction plate 60.

Referring to FIG. 4 , when the sliding mechanism 30 is assembled, firstly, the two friction plates 60 are relatively fixedly disposed in the longitudinal direction on the fixing member 40 adjacent to the two guiding walls 43 , and the The arcuate projections 63 of the two friction plates 60 are disposed opposite to each other, and the distance between the two arcuate projections 63 is equal to the size of the outer circumferential diameter of the roller 70. Next, the roller 70 is mounted on the fixing member 40. The guiding column 72 of the roller 70 is slidably fitted in the sliding slot 45 of the fixing member 40, and at the same time, the roller 70 The outer circumferential surface abuts against a friction plate 60 and is rotatable relative to the friction plate 60. Then, the coil spring 80 is mounted and received in the mounting groove 75 of the roller 70. The round hole 82 of the coil spring 80 is sleeved on the mounting portion 77 of the roller 70. The mounting end 85 of the coil spring 80 is mounted in the mounting groove 78 of the roller 70. Next, the sliding member 50 is slidably mounted on the fixing member 40. The two mounting walls 53 of the sliding member 50 are respectively corresponding to the fixing member 40 The guide walls 43 are slidably fitted together, and the end of the mounting portion 77 of the roller 70 correspondingly passes through the strip-shaped through hole 55 of the slider 50 and protrudes from the other side of the slider 50. Finally, the elastic member 90 is mounted on the sliding member 50. The mounting ends 91 and 93 of the elastic member 90 are respectively correspondingly mounted on the protruding post 57 of the sliding member 50 and the roller 70. The end of the mounting portion 77 is such that the roller 70 abuts against the friction plate 60, that is, the assembly of the sliding mechanism 30 is completed.

Please refer to FIG. 4 and FIG. 5 , which are schematic diagrams showing the assembly of the sliding member 50 of the sliding mechanism 30 relative to the fixing member 40 when the portable electronic device of the sliding mechanism 30 of the preferred embodiment of the present invention is fully closed, half opened and fully opened. . When the sliding mechanism 30 is completely closed, the sliding member 50 is located at the end of the first sliding groove 451 of the fixing member 40, and when the external force pushes the sliding member 50 along the sliding groove 45 of the fixing member 40, the second direction is toward the second When the sliding groove 452 slides, the sliding member 50 drives the roller 70 to roll relative to the friction plate 60 on the side of the first sliding groove 451, and the coil spring is installed in the mounting groove 75 of the roller 70. 80 was tightened. When the roller 70 is rolled to the arcuate projection 63 at the position of the middle portion of the friction plate 60, the roller 70 is clamped against the two arcuate projections 63 of the fixing member 40. The guide spool 72 of the roller 70 runs along the chute 45 to the position of the connection slip groove 453. At this time, the coil spring 80 is completely tightened, and the potential energy is maximized.

When the force of the end of the second sliding groove 452 is continuously applied to the sliding member 50, the roller 70 drives the sliding member 50 over the two curved projections 63 due to inertia, along the connecting sliding groove. 453 is detached from the friction plate 60 on the side close to the first sliding groove 451 toward the second sliding groove 452 At the same time, the roller 70 abuts and rolls on the friction plate 60 on the side close to the second sliding groove 452. While the roller 70 slides in the connecting slip groove 453, the mounting portion 77 thereof slides from the one end of the strip-shaped through hole 55 of the slider 50 toward the other end with respect to the slider 50.

Referring to FIG. 6 , the roller 70 is mounted on the roller when the roller 70 is slidably moved to the second sliding slot 452 and is slipped in the second sliding slot 452 . The coil spring 80 in the recess 75 of the mounting portion 70 begins to loosen and release the elastic potential energy, thereby driving the roller 70 to slide along the second sliding groove 452. The roller 70 drives the slider 50 to roll along the friction plate 60 toward the end of the second sliding groove 452 until the sliding member 50 is fully opened.

When the slide mechanism 30 is applied to a slide type mobile phone 100, the fixing member 40 is fixed to the slide cover 20 of the slide type mobile phone 100, and the sliding member 50 and the slide cover of the slide mechanism 30 are The body 10 of the mobile phone 100 is fixed. The slide cover 20 of the slide type mobile phone 100 and the body 10 are slidably mounted by the slide mechanism 30. When in use, the slide cover 20 or the body 10 needs to be manually moved a certain distance to slide the slide cover 20 relative to the body 10.

It can be understood that the two friction plates 60 can also be integrally disposed on the fixing member 40 at positions adjacent to the two guiding walls 43.

It can be understood that the two friction plates 60 can also be omitted and replaced by the two guiding walls 43 of the fixing member 40, that is, the roller 70 is mounted on the fixing member 40, and the sliding column 72 is slidably Fitted in the sliding groove 45 of the fixing member 40, and at the same time, the outer circumferential surface of the roller 70 is abutted It is held on a guiding wall 43 and can roll relative to the guiding wall 43 of the fixing member 40.

The sliding mechanism 30 slidably mounts the fixing member 40 and the sliding member 50 by using a roller 70 and a coil spring 80, thereby effectively achieving the semi-automatic opening of the sliding cover 50 relative to the fixing member 40. The sliding mechanism 30 has a simple structure, and the relative sliding between the fixing member 40 and the sliding member 50 is more stable, and the overall performance of the sliding mechanism 30 is greatly enhanced.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are It should be covered by the following patent application.

Mobile phone ‧‧100

Ontology ‧‧10

Button ‧‧‧12

Slide ‧‧20

Display ‧‧22

Function key ‧‧‧24

Slide mechanism ‧ ‧ 30

Fixings ‧‧40

Substrate ‧‧11

Guide wall ‧‧43

Chute ‧‧45

First slip slot ‧‧ 451

Second slip slot ‧‧‧452

Connection slip groove ‧‧ 453

Sliding ‧‧50

Main body ‧‧11

Installation Department ‧‧ ‧52,77

Strip through hole ‧‧55

Tab ‧‧57

Friction plate ‧‧60

Bump ‧‧63

Roller ‧‧70

First surface ‧‧‧71

Guide column ‧‧72

Second surface ‧‧73

Groove ‧‧‧75

Zhou ‧‧76

Installation groove ‧‧‧78

Coil spring ‧‧80

Round hole ‧‧82

Installation side ‧‧‧85

Elastic parts ‧‧90

Installation side ‧‧‧91,93

1 is a schematic perspective view of a slide-type electronic device according to a preferred embodiment of the present invention; FIG. 2 is a schematic exploded view of a slider mechanism according to a preferred embodiment of the present invention; FIG. 4 is a schematic view showing the assembly of the sliding member relative to the fixing member of the sliding mechanism when the portable electronic device of the sliding mechanism of the preferred embodiment of the present invention is fully closed; FIG. 5 is an application. The schematic diagram of the assembly of the slider of the sliding mechanism of the slide-type mechanism when the portable electronic device of the slider mechanism is half-opened is relatively fixed; FIG. 6 is a schematic view showing the assembly of the sliding member of the sliding mechanism relative to the fixing member when the portable electronic device of the sliding mechanism of the preferred embodiment of the present invention is fully opened.

Slide mechanism ‧ ‧ 30

Fixings ‧‧40

Chute ‧‧45

First slip slot ‧‧ 451

Second slip slot ‧‧‧452

Connection slip groove ‧‧ 453

Sliding ‧‧50

Installation wall ‧ ‧ 53

Friction plate ‧‧60

Curved bumps ‧‧63

Roller ‧‧70

Guide column ‧‧72

Installation Department ‧‧‧77

Coil spring ‧‧80

Round hole ‧‧82

Elastic parts ‧‧90

Claims (13)

A sliding mechanism includes a fixing member and a sliding member slidably mounted on the fixing member, wherein the fixing member is provided with a sliding slot, the sliding slot includes a first sliding groove, a second sliding groove disposed in parallel with the first sliding groove and a connecting sliding groove connecting the first sliding groove and the second sliding groove; the sliding mechanism further comprises two friction plates and a roller a coil spring, the two friction plates are oppositely disposed on two sides of the sliding groove; the roller is clamped between the fixing member and the sliding member, and comprises a guiding column protruding from a surface thereof, the sliding roller The roller slidably passes through and is received in the sliding slot; the outer circumferential surface of the roller is relatively roll-fittingly mounted on a friction plate, and the coil spring is clamped between the roller and the sliding member; When the sliding member is pushed, the roller is driven to move along the sliding slot. At the same time, the roller rolls against the friction plate and drives the coil spring to curl; when the roller slides to the connecting sliding groove, the roller is switched to be in rolling contact with the other friction plate, and at the same time The coil spring releases and drives the roller to roll and drives the slider to slide away relative to the fixing member. The sliding mechanism of claim 1, wherein the friction plate has a rectangular plate shape, and a longitudinal convex sidewall is convexly provided with an arc-shaped convex block, and the arc-shaped convex blocks of the two friction plates are opposite to each other and The distance between the arcuate projections of the two friction plates is equal to the diameter of the outer circle of the roller. The sliding mechanism of claim 2, wherein the roller further comprises a recessed surface and the sliding strut A groove is disposed on the other surface of the roller, and the coil spring is mounted and received in the mounting groove of the roller. The sliding mechanism of claim 3, wherein a distance between the first sliding groove and the second sliding groove respectively adjacent to the friction plate adjacent thereto is equal to a radius of the roller, When the roller is slid in the corresponding first sliding groove and the second sliding groove, the roller can be correspondingly rolled with the friction plate. The sliding mechanism of claim 4, wherein the sliding member is provided with a through-shaped through hole, and a cylindrical mounting portion is protruded from a bottom wall of the groove of the roller. The coil spring is sleeved on the mounting portion; the mounting portion is slidably fitted in the strip-shaped hole of the sliding member. The sliding mechanism of claim 4, wherein a protrusion is protruded from the sliding member adjacent to the strip-shaped through hole, and the sliding mechanism further comprises a rod-shaped elastic member at both ends thereof. Correspondingly, the protrusions on the slider and the end of the mounting portion of the roller are respectively mounted. The sliding mechanism of claim 6, wherein a circumferential surface of the mounting groove is recessed with a mounting groove, and one end of the coil spring is mounted in the mounting groove. A portable electronic device includes a body, a slide cover and a slide mechanism, and the body and the slide cover are provided by a slide mechanism Slidably mounted together; the sliding mechanism includes a fixing member fixed to the sliding cover and a sliding member fixed to the body and slidably mounted with the fixing member, wherein the fixing is: the fixing The sliding slot includes a first sliding groove, a second sliding groove disposed in parallel with the first sliding groove, and a connection connecting the first sliding groove and the second sliding groove The sliding mechanism further includes two friction plates, a roller and a coil spring, the two friction plates are oppositely mounted on two sides of the sliding slot; the roller is clamped between the fixing member and the sliding member, The utility model comprises a guide strut protruding on a surface thereof, the guide strut slidably passes through and is received in the chute; the outer circumferential surface of the roller can be relatively rolled and abutted against a friction On the plate, the coil spring is clamped between the roller and the sliding member; when the sliding member is pushed, the roller is driven to move along the sliding slot, and at the same time, the roller rolls against the friction plate and drives the coil spring to curl; when the roller slides to the connection When the groove is slipped, the roller is switched to roll contact with the other friction plate, and at the same time, the coil spring is released and Movable scroll wheel and drive member relative to the fixed slide member slid. The portable electronic device of claim 8, wherein the friction plate has a rectangular plate shape, and a longitudinal convex sidewall is convexly provided with an arc-shaped convex block, and the arc-shaped convex blocks of the two friction plates are oppositely disposed. And the distance between the curved bumps of the two friction plates is equal to the diameter of the outer circle of the roller. Portable electronic equipment as described in claim 9 The roller further includes a mounting recess recessed on the other surface opposite to the guide strut, and the coil spring is mounted and received in the mounting recess of the roller. The portable electronic device of claim 10, wherein a distance between the first sliding groove and the second sliding groove respectively adjacent to the friction plate adjacent thereto is equal to a radius of the roller. When the roller is slid in the corresponding first sliding groove and the second sliding groove, the roller can be correspondingly rolled with the friction plate. The portable electronic device of claim 11, wherein the sliding member is provided with a through-shaped through hole, and a cylindrical mounting portion is protruded from a bottom wall of the groove of the roller. The coil spring is sleeved on the mounting portion; the mounting portion is slidably fitted in the strip-shaped hole of the sliding member. The portable electronic device of claim 11, wherein a protrusion is protruded from the sliding member adjacent to the strip-shaped through hole, and the sliding mechanism further comprises a rod-shaped elastic member. The ends are respectively correspondingly mounted with the protrusions on the slider and the ends of the mounting portions of the rollers.