TWM482243U - Hinge assembly having synchronized sliding mechanism and bracket - Google Patents

Description

Pivot assembly and bracket with synchronous sliding mechanism

The present invention relates to a pivot assembly and bracket, and more particularly to a pivot assembly and bracket having a synchronous sliding mechanism.

In recent years, tablet PCs have gradually replaced notebook computers as the mainstream of the market, and tablets can be used on the desktop or on the desktop. When it is placed on the tabletop, it is not ergonomic in use without any support and is laid flat on the table. For example, the user must be close to the tablet and use it for a long time. In addition, when you want to use a tablet to play images or photos, it is not convenient to view them on the desktop. Therefore, a conventional bracket can be used to support the tablet so that it can be placed on the table in a tilted state.

The bracket includes a first plate body, a second plate body and a pivot shaft. The first plate body is attached to the upper half of the back shell of the tablet computer, and the second board body is attached to the back shell of the tablet computer. The half portion is pivotally connected between the first plate body and the second plate body, and the second plate body is rotatable relative to the first plate body through the pivot. To place the tablet on the table, the user can cock the second plate relative to the first plate, so that the second plate and the back shell are at an angle, and placed on the table, the back The shell, the second plate and the table top can form a triangular support state. However, in order to allow the second plate to rotate relative to the first plate, the pivot must be sandwiched between the first plate and the second plate. Therefore, in the storage state of the bracket, that is, the second plate is fitted to the plate. In the state of the computer, the pivot is exposed on the outer side of the first board and the second board with respect to the tablet, which is not very beautiful. If the pivot is to be hidden on the inner side of the first plate body and the second plate body, a gap must be left between the first plate body and the second plate body, otherwise the second plate body rotates relative to the first plate body. At the same time, the plate thickness of each other interferes with each other, and the gap also affects the appearance.

In view of this, the purpose of the present invention is to propose a pivot assembly and a bracket having a synchronous sliding mechanism, so that the pivot assembly can be hidden in the first plate and the second plate when the bracket is in the storage state. The side will not be exposed to balance convenience and aesthetics.

In order to achieve the above object, the present invention proposes a pivot assembly having a synchronizing sliding mechanism including a base, a sliding shaft, a sliding gear, a fixed gear, a first gear, a rotating arm, a rotating shaft and a second gear set. The base is provided with a rack and a sliding rail, the sliding shaft slidably fits the sliding rail, the sliding gear rotatably connects the sliding shaft and engages the rack, the fixed gear is fixed to the sliding shaft, and the first gear is rotatably coupled to the sliding shaft and The sliding gear is engaged, one end of the rotating arm is fixed to the first gear, and the rotating shaft is rotatably connected to the other end of the rotating arm facing away from the first gear. The second gear set includes a main gear and two auxiliary gears. The main gear is fitted to the rotating shaft, and the two auxiliary gears are respectively pivotally connected to the rotating arm and mesh with each other. One of the two auxiliary gears further meshes with the main gear, and the other of the two auxiliary gears Further meshing the fixed gear.

In an embodiment of the present invention, the pivot assembly further has a second gear instead of the second gear set, the second gear being fitted to the rotating shaft and engaging the fixed gear.

In an embodiment of the present invention, there are two rotating arms, and the first gear is fixed to one of the two rotating arms, and the second gear or the second gear set is sandwiched between the two rotating arms.

In an embodiment of the present invention, the sliding gear, the rotating arm and the first gear each have two, the second gear or the second gear set is sandwiched between the two rotating arms, and the two first gears are respectively fixed to the two rotating arms. And respectively meshing the two sliding gears.

In an embodiment of the present invention, the pivot assembly further includes an arm, one end of the arm is fitted to the sliding shaft, and the other end of the arm is pivotally coupled to the sliding gear.

In an embodiment of the present invention, the pivot assembly further includes at least one torsion portion, the torsion portion includes an elastic member and a fixing member, the elastic member and the fixing member are sleeved on the sliding shaft, and the elastic member is clamped to the fixing member and the first member. Between the gears, or the elastic member and the fixing member are sleeved on the rotating shaft and the elastic member is sandwiched between the fixing member and the rotating arm.

In an embodiment of the present invention, the base includes a bottom plate and two side plates on opposite sides of the bottom plate, the rack is disposed on the bottom plate, and the slide rail is disposed on the side plate.

In an embodiment of the present invention, the sliding shaft has a positioning block protruding from opposite ends of the sliding shaft, and the positioning block is slidably fitted into the sliding rail.

In an embodiment of the present invention, the sliding gear further includes a front wheel portion and a rear wheel portion that are coaxial and fixed to each other, the front wheel portion engages the first gear, and the rear wheel portion engages the rack.

In order to achieve the above object, the present invention also provides a bracket for supporting an electronic device. The bracket includes a first plate body, a second plate body and a pivot assembly as described above. The first plate body is fixed to the back side of the electronic device, the second plate body movably abuts one side of the first plate body, and the first plate body and the outer side of the second plate body form a flat surface, and the pivot assembly is disposed On the inner side of the first plate body and the second plate body. The pivot assembly further includes a fixed arm, one end of the fixed arm is fixed to the rotating shaft, and the other end of the fixed arm is fixed to the inner side of the second plate body, and the base is fixed to the inner side of the first plate body.

The pivot assembly and the bracket with the synchronous sliding mechanism proposed by the present invention enable the pivot assembly to be hidden in the inner side of the first plate body and the second plate body in the storage state, that is, the first plate The outer side of the body and the second plate body form an aesthetically pleasing surface, and there is no need to leave a gap or leave a gap between the first plate body and the second plate body to be minimized. If the bracket is to be used, the second plate body is opened relative to the first plate body, and the rotating shaft rotates to drive the sliding shaft to slide synchronously, so that the second plate body slides while flipping, so that the first plate body and the first plate body The two plates do not get stuck because the thicknesses of the plates interfere with each other. Compared with the prior art, the creation takes into consideration the convenience and the aesthetics.

To make the objects, features, and advantages of the present invention more comprehensible to those of ordinary skill in the art, the following description of the preferred embodiments and the accompanying drawings are set forth below.

10‧‧‧ bracket
20‧‧‧ frame
21‧‧‧ first board
22‧‧‧Second plate
30‧‧‧ pivot assembly
31‧‧‧ Pedestal
32‧‧‧Sliding shaft
33‧‧‧ Arms
34‧‧‧Sliding gear
35‧‧‧ fixed gear
36‧‧‧First gear
37‧‧‧Rotating arm
38‧‧‧Rotary axis
39‧‧‧Second gear set
40‧‧‧Fixed Arm
41‧‧‧Torque Department
50‧‧‧floor
51‧‧‧ side panels
52‧‧‧ rack
53‧‧‧Slide rails
54‧‧‧ Positioning block
55‧‧‧front wheel
56‧‧‧ Rear Wheel
57‧‧‧ main gear
58‧‧‧Sub gear
59‧‧‧Flexible parts
60‧‧‧Fixed parts

Figure 1 is a front elevational view of the stent of a preferred embodiment of the present invention.
Figure 2 is a schematic rear view of the stent of a preferred embodiment of the present invention.
Figure 3 is a schematic view of a pivot assembly of a preferred embodiment of the present invention.
Figure 4 is a schematic exploded view of the pivot assembly of a preferred embodiment of the present invention.
Figure 5 is a side elevational view of the first plate, the second plate and the pivot assembly of a preferred embodiment of the present invention.
Fig. 6 is a schematic view showing the second plate of the bracket of the preferred embodiment being inverted by 45 degrees.
Figure 7 is a side elevational view showing the second plate of the bracket of the preferred embodiment of the present invention flipped 45 degrees.
Figure 8 is a schematic view showing the pivoting of the fixed arm of the pivot assembly of the preferred embodiment of the present invention by 45 degrees.
FIG. 9 is a schematic view showing the second plate of the bracket of the preferred embodiment being inverted by 90 degrees.
Figure 10 is a schematic view showing the second plate of the bracket of the preferred embodiment flipped at 135 degrees.
Figure 11 is a schematic view showing the second plate of the stent of the preferred embodiment flipped 180 degrees.
Figure 12 is a side elevational view showing the second plate of the stent of the preferred embodiment of the present invention flipped 180 degrees.

Please refer to FIG. 1 and FIG. 2 . FIG. 1 and FIG. 2 are respectively schematic views showing the front and rear perspectives of the stent 10 according to a preferred embodiment. The bracket 10 is used to support an electronic device (not shown), such as a tablet computer, a smart phone, or a digital photo frame. In the embodiment, the electronic device is a tablet computer. The bracket 10 includes a frame body 20, a first plate body 21, a second plate body 22 and a pivot assembly 30 having a synchronous sliding mechanism. The frame body 20 can be used to engage the periphery of the tablet computer, so that the first plate body 21 and the first plate body 21 The second board 22 is positioned at the rear of the tablet. The bracket 10 shown in FIG. 1 and FIG. 2 is placed in a stored state. After the tablet is engaged in the frame 20, the first board 21 is positioned on the upper half of the back side of the tablet. The second plate body 22 is adjacent to the lower half of the back side of the tablet computer. The pivot assembly 30 is disposed on the inner side of the first plate body 21 and the second plate body 22 and connects the first plate body 21 and the second plate body 22 respectively. . As shown in FIGS. 1 and 2, in the accommodated state of the holder 10, one side of the second plate body 22 movably abuts against one side of the first plate body 21, and the first plate body 21 and the second plate body 22 are movably abutted. There is almost no gap between them, and the second board 22 has not been turned over with respect to the first board 21, and the first board 21 and the second board 22 are all close to the back side of the tablet, and therefore, as shown in FIG. 2, The outer sides of the first plate body 21 and the second plate body 22 may form a flat surface, and the pivot assembly 30 may be hidden inside the first plate body 21 and the second plate body 22 without being visible. In other embodiments, the bracket may not include the frame, but the first plate is instead fixed to the back side of the electronic device by means of a snapping or attaching means.

Please refer to FIG. 3, FIG. 4 and FIG. 5 again. FIG. 3 and FIG. 4 respectively show a schematic diagram and an exploded view of the pivot assembly 30, and FIG. 5 shows the first plate 21 and the first plate. A side view of the second plate body 22 and the pivot assembly 30, wherein the third, fourth, and fifth figures show the pivot assembly when the bracket 10 of the first and second figures is placed in a stowed state. 30. At this time, the second plate body 22 is in an uninverted state. The pivot assembly 30 includes a base 31, a sliding shaft 32, an arm 33, a sliding gear 34, a fixed gear 35, a first gear 36, a rotating arm 37, a rotating shaft 38, a second gear set 39, a fixed arm 40, and a torque Part 41. The base 31 includes a bottom plate 50 and two side plates 51 on opposite sides of the bottom plate 50. The base 31 is provided with a rack 52 and a slide rail 53. The rack 52 is disposed on the bottom plate 50, and the slide rails 53 are respectively disposed on the two side plates. 51 on. As shown in FIG. 5, the side of the side plates 51 facing away from the bottom plate 50 is for fixing the inner side of the first plate body 21, wherein the bracket 10 of FIG. 5 omits the frame 20 and one side of the base 31. Side panels 51 are provided to facilitate the display of internal components. The sliding shaft 32 has a positioning block 54 respectively protruding at opposite axial ends thereof, and the positioning block 54 is slidably but non-rotatably fitted in the sliding rail 53, whereby the sliding shaft 32 is slidably but non-rotatably connected to the sliding rail 32. Track 53. In the present embodiment, there are four arms 33 and two sliding gears 34. One ends of the four arms 33 are fitted to the sliding shaft 32, wherein the adjacent two arms 33 are away from the other end of the sliding shaft 32. The sliding gear 34 is pivotally coupled to the sliding shaft 32. The sliding arm 34 is rotatably coupled to the sliding shaft 32. In other embodiments, the arm and the sliding gear can each have only two, and each arm is pivotally coupled to each other. The gear; or, the arm and the sliding gear may each have only one; or the arm may be omitted to directly sleeve the sliding gear on the sliding shaft.

The slide gear 34 includes a front wheel portion 55 that is coaxial with the rear wheel portion 56 and is fixed to each other. In the present embodiment, the diameter of the front wheel portion 55 is smaller than the diameter of the rear wheel portion 56, and the rear wheel portion 56 is 56. The number of teeth is larger than the number of teeth of the front wheel portion 55, and the rear wheel portion 56 meshes with the rack 52. The fixed gear 35 is fixed to the slide shaft 32, that is, the fixed gear 35 cannot rotate in the axial direction of the slide shaft 32. There are two first gears 36 and two rotating arms 37. The first gear 36 is coupled to the sliding shaft 32 and engages the sliding gear 34. Specifically, the first gear 36 is rotatably sleeved on the sliding shaft 32, and the first gear 36 engages the front wheel portion 55 of the slide gear 34. One end of the rotating arm 37 is fixed to the first gear 36, and further, the first gear 36 is integrally formed with one end of the rotating arm 37, that is, the first gear 36 is a part of the rotating arm 37. The fixed gear 35 is clamped by the two arms 33 located inside, and the inner arms 33 and the fixed gear 35 are clamped between the two first gears 36, and the first gear 36 is located at the clamping slide gear 34. Between the two arms 33, in addition to the two arms 33 on the outer side, a plurality of spacers (not labeled) and a fixing member 60 are arranged in sequence, and the spacers and the fixing member 60 cooperate with the two side plates 51 of the base 31. The spacing between the two is set such that the components connected to the sliding shaft 32 are fixed in their axial relative positions. In other embodiments, the arm, the sliding gear, the rotating arm and the first gear may each have only one, the sliding gear pivots one end of the arm, the first gear is fixed to one end of the rotating arm and engages the sliding gear; or, when When the arm is omitted and the sliding gear is directly sleeved on the sliding shaft, the first gear and the sliding gear can be connected to each other through a set of bevel gears.

The rotating shaft 38 rotatably connects the rotating arm 37 away from the other end of the first gear 36. The second gear set 39 includes a main gear 57 and two auxiliary gears 58, and the second gear set 39 is sandwiched between the two rotating arms 37. The main gear 57 is fitted to the rotating shaft 38, that is, the main gear 57 and the rotating shaft 38 are interlocked. Rotating, the two sub-gears 58 are pivotally coupled to the rotating arms 37 and meshed with each other, one of the two sub-gears 58 further meshes with the main gear 57, and the other of the two sub-gears 58 further engages the fixed gear 35. A spacer (not labeled) is also interposed between the main gear 57 and the rotating arm 37. In other embodiments, the second gear set may be replaced with a second gear that is fitted to the rotating shaft, sandwiched between the two rotating arms, and engages the fixed gear. One end of the fixed arm 40 is fixed to the rotating shaft 38. As shown in FIG. 5, the other end of the fixed arm 40 is for fixing the inner side of the second plate body 22. The torsion portion 41 includes an elastic member 59, a fixing member 60 and a spacer (not labeled), the elastic member 59, the fixing member 60 and the spacer are sleeved on the rotating shaft 38, and the elastic member 59 and the spacer are clamped to the fixing member 60 and the rotating arm. Between 37, the torsion portion 41 is used to provide a suitable frictional force, and thus the rotating shaft 38 needs to be subjected to a certain torque to rotate. In other embodiments, the torsion portion may be sleeved on the sliding shaft; or the torsion portion may be disposed on the sliding shaft and the rotating shaft.

Please refer to FIG. 6 to FIG. 8. FIG. 6 is a schematic view showing the second plate body 22 of the bracket 10 being inverted by 45 degrees, and FIG. 7 is a side view showing the second plate body 22 of the bracket 10 being inverted by 45 degrees. Schematic, Figure 8 is a schematic illustration of the pivoting of the fixed arm 40 of the pivot assembly 30 by 45 degrees, wherein Figure 8 omits the side panels 51 on one side of the base 31 to facilitate the display of internal components. In Figures 6 to 8, the second plate 22 is flipped and turned over 45 degrees so that the second plate 22 cooperates with the frame 20 to support the tablet to the table top. The operation principle of the pivot assembly 30 will be described in detail below. When the second plate 22 is reversed, the fixed arm 40 will rotate the rotating shaft 38, and the rotating shaft 38 will drive the main gear 57 of the second gear set 39 to rotate. The main gear 57 The two sub-gears 58 are rotated, and the sub-gear 58 that engages the fixed gear 35 bypasses the fixed gear 35. Therefore, the rotating arm 37 is driven by the second gear set 39 to rotate about the sliding shaft 32. When the rotating arm 37 rotates, the first gear 36 rotates in conjunction, the first gear 36 drives the sliding gear 34 to rotate, and when the sliding gear 34 rotates, it moves along the rack 52, causing the sliding shaft 32 to slide along the sliding rail 53. . As shown in FIG. 7, when the second plate 22 is erected upward, the sliding shaft 32 slides to the right side of FIG. 7, so that the second plate 22 is pushed away from the first plate 21 in a row. When the second plate body 22 is pressed back downward, the reverse operation is performed by the above-described operation principle, and the rotating shaft 38 and the rotating arm 37 are reversely rotated, and the sliding shaft 32 is slid to the left side of the seventh drawing to make the second plate body. 22 is pulled back to the first plate body 21. It can be seen from the above that in the storage state of the bracket 10, it is not necessary to reserve a gap between the first plate body 21 and the second plate body 22 because when the second plate body 22 rotates relative to the first plate body 21 The second plate body 22 slides away from the first plate body 21 in synchronism, and therefore, the first plate body 21 and the second plate body 22 are not caught by the mutual thickness of the plates.

Referring to FIG. 9 to FIG. 12 again, FIG. 9 is a schematic view showing the second plate body 22 of the bracket 10 being turned by 90 degrees, and FIG. 10 is a schematic view showing the second plate body 22 of the bracket 10 being turned over by 135 degrees. 11 and 12 show a schematic view and a side view, respectively, of the second plate 22 of the bracket 10 being inverted by 180 degrees. The pivot assembly 30 of the present embodiment has the second plate body 22 having a rotation capability of 0 to 180 degrees with respect to the first plate body 21, so that the second plate body 22 can be further turned over with respect to the first plate body 21 to 90 degrees shown in Figure 9, 135 degrees shown in Figure 10 and 180 degrees shown in Figure 11, so when the tablet is placed on the table by the stand 10, its inclination relative to the table top is extremely great. The scope of adjustment can increase the convenience of use in response to various needs. As shown in Fig. 12, when the second plate body 22 is turned 180 degrees with respect to the first plate body 21, the slide shaft 32 is slid along the slide rail 53 to the right end, and at the same time, the rotary arm 37 is rotated about the slide shaft 32. At 90 degrees, the rotating shaft 38 itself is rotated by 90 degrees. The middle portion of the rotating arm 37 (ie, the portion for pivoting the two sub-gears 58) is a bent structure, and the bent structure corresponds to the plate thickness of the first plate 21 and the second plate 22. design.

Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and anyone skilled in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of protection is subject to the definition of the scope of the patent application.

30‧‧‧ pivot assembly

31‧‧‧ Pedestal

32‧‧‧Sliding shaft

33‧‧‧ Arms

34‧‧‧Sliding gear

35‧‧‧ fixed gear

36‧‧‧First gear

37‧‧‧Rotating arm

38‧‧‧Rotary axis

39‧‧‧Second gear set

40‧‧‧Fixed Arm

41‧‧‧Torque Department

Claims (10)

A pivot assembly having a synchronizing sliding mechanism, comprising:
a base provided with a rack and a slide rail;
a sliding shaft slidably fitting the sliding rail;
a sliding gear rotatably connecting the sliding shaft and engaging the rack;
a certain gear, fixed to the sliding shaft;
a first gear rotatably coupled to the sliding shaft and engaging the sliding gear;
a rotating arm, one end fixed to the first gear;
a rotating shaft rotatably connecting the rotating arm away from the other end of the first gear; and a second gear set including a main gear and two sub-gears, the main gear is fixed to the rotating shaft, and the two sub-gears respectively The rotating arms are pivotally coupled to each other, one of the two sets of gears further engaging the main gear, and the other of the two sets of gears further engages the fixed gear. The pivot assembly of claim 1, further comprising a second gear instead of the second gear set, the second gear being fitted to the rotating shaft and engaging the fixed gear. The pivot assembly of claim 1 or 2, wherein the rotating arm has two, the first gear is fixed to one of the two rotating arms, the second gear or the second gear set Sandwiched between the two rotating arms. The pivot assembly of claim 1 or 2, wherein the sliding gear, the rotating arm and the first gear each have two, and the second gear or the second gear set is sandwiched between the two Between the rotating arms, the two first gears respectively fix the two rotating arms and respectively mesh the two sliding gears. The pivot assembly of claim 1 or 2, further comprising an arm, one end of the arm being fitted to the sliding shaft, and the other end of the arm pivotally connected to the sliding gear. The pivot assembly of claim 1 or 2, further comprising at least one torsion portion, the torsion portion comprising an elastic member and a fixing member, the elastic member and the fixing member being sleeved on the sliding shaft and The elastic member is sandwiched between the fixing member and the first gear, or the elastic member and the fixing member are sleeved on the rotating shaft and the elastic member is sandwiched between the fixing member and the rotating arm. The pivot assembly of claim 1 or 2, wherein the base comprises a bottom plate and two side plates on opposite sides of the bottom plate, the rack is disposed on the bottom plate, and the slide rail is disposed on the bottom plate The side panel. The pivoting assembly of claim 7, wherein the sliding shaft has a positioning block protruding from opposite ends of the sliding shaft, and the positioning block is slidably fitted in the sliding rail. The pivot assembly of claim 1 or 2, wherein the sliding gear further comprises a front wheel portion and a rear wheel portion, the front wheel portion being coaxial with the rear wheel portion and fixed to each other, the front wheel portion The first gear is engaged, and the rear wheel portion engages the rack. A bracket for supporting an electronic device, the bracket comprising:
a first plate for fixing to a back side of the electronic device;
a second plate body movably abutting one side of the first plate body, the first plate body and the outer side of the second plate body forming a flat surface; and any one of claims 1 to 9 of the patent application scope In the pivot assembly, the pivot assembly is disposed on the inner side of the first plate body and the second plate body, wherein the pivot assembly further includes a fixing arm, one end of the fixing arm is fixed to the a rotating shaft, the other end of the fixing arm is fixed to an inner side of the second plate body, and the base is fixed to an inner side of the first plate body.