TWI413410B - Adjustable module and adjustable assembly using the same - Google Patents

Abstract

An adjustable module includes a base, a first frame, a second frame, and a rotating member. The first and the second frame are rotatably positioned on the base. The rotating member defines two holes and rotatably connects the first and the second frame via two connecting members. The rotating member forms a hollow extrusion extending from a periphery of each of the two holes. The connecting members engage in the holes such that the first frame and the second frame are rotatably connected with the rotating member. The invention also provides an adjustable assembly using the adjustable module.

Description

Lifting module and lifting structure using the lifting module

The present invention relates to a lifting module and a lifting structure using the same, and more particularly to a lifting module for an adjustable viewing angle in an electronic device such as a liquid crystal display and a lifting structure using the lifting module.

At present, liquid crystal displays are widely accepted by the market due to their small size, light weight, high definition and low radiation. The design of the liquid crystal display is also more and more diversified and humanized. For example, a liquid crystal display can adjust the viewing angle and height to meet the different needs of users.

The function of adjusting the viewing angle and height of the liquid crystal display is realized by a lifting structure, which comprises a lifting module, a rotating frame pivotally connected to the lifting module, and a pivoting assembly of the pivoting lifting module and the rotating frame. The lifting module includes two connecting frames, a mounting base pivotally connected to one end of the two connecting frames, and a pivoting plate pivotally connected to the other end of the two connecting frames. The pivoting plate defines a pivoting hole through which the one end of the connecting frame is supported by a bolt Connected to the pivoting plate through the pivoting hole, the bolt penetrates the one end of the connecting frame and the pivoting hole of the pivoting plate, and is locked by a nut; the pivoting plate and the rotating frame are respectively provided with connecting holes, and the rotating frame is provided by The bolt passing through the connecting hole on the pivot plate and the turret is connected to the lifting module, where the bolt acts as a rotating shaft, and the rotating frame can rotate relative to the lifting module.

In the lifting module, one end of the two connecting frames is disposed at two different points on the mounting seat, and the pivoting plate is connected to the other end of the two connecting frames, and the pivoting plate and the mounting seat of the lifting and lowering module and the rotating frame are pivotally connected The two connecting frames of the lifting module form a four-connecting body of the lifting module, and the two connecting frames can rotate in the same direction with respect to the mounting seat, and drive the rotating frame to move in the same direction.

In the lifting structure, the connecting frame in the lifting module is connected to the pivoting plate by screwing the bolt and the nut, because in the lifting structure, more components are connected at the pivoting plate, and the locking bolt is added at this time. The nut further complicates the structure; and the plurality of pivoting holes and connecting holes are formed on the pivoting plate, and the strength thereof is low. When the rotating frame rotates relative to the lifting module, the torque is relatively damaged due to the large torque. The pivotal stability of the lifting structure is reduced.

In view of the above situation, it is necessary to provide a lifting module having a relatively simple structure and good pivoting stability and a lifting structure using the lifting module.

A lifting module includes a mounting base, a first connecting frame pivotally connected to the mounting seat, a second connecting frame, and a pivoting member pivotally connecting the first connecting frame and the second connecting frame, and the pivoting hole is provided on the pivoting member The pivoting member is connected to the first connecting frame and the second connecting frame by the connecting member, and the pivoting member protrudes from the edge of the pivoting hole along the axial direction of the pivoting hole with a hollow boss, the connecting member and the pivoting member The lifting module further includes a reinforcing plate, and the reinforcing plate has a through hole, and the boss on the pivoting member is inserted into the through hole and has an interference fit with the through hole.

A lifting structure comprises a fixed back plate, a rotating frame connecting the fixed back plate and a lifting module connected to the rotating frame, the lifting module comprising a mounting seat and a pivoting connection on the mounting seat a connecting frame, a second connecting frame and a pivoting member pivotally connecting the first connecting frame and the second connecting frame, the pivoting member is provided with a pivoting hole, and the pivoting member is connected to the first connecting frame and the second connection by the connecting member The frame is connected, the turret is rotatably connected to the pivoting member, and the pivoting member protrudes from the edge of the pivoting hole along the axial direction of the pivoting hole with a hollow boss, and the connecting member cooperates with the pivoting hole, the lifting module The reinforcing plate further includes a through hole, and the boss on the pivoting member is inserted into the through hole and has an interference fit with the through hole.

The lifting structure realizes the height and angle adjustment of the liquid crystal display by the rotation of the turret relative to the lifting module, because the pivoting member of the lifting module increases the axial direction of the pivoting hole on the edge of the pivoting hole The hollow boss increases the length of the pivotal connection between the connecting member and the pivoting member, and the length is increased enough to make the connecting member and the pivoting member firmly connected, so that the locking member is not required to be locked to the pivoting member. Simplified structure. The addition of the boss on the pivoting member also improves the strength of the pivoting member itself, so that when the rotating frame of the lifting structure is pivoted relative to the lifting module, the pivoting member is not easily damaged, and the pivotal stability is improved.

100‧‧‧ Lifting structure

10‧‧‧ Lifting module

11‧‧‧ Mounting

111‧‧‧Base

113‧‧‧Connecting Department

1131‧‧‧ Connection bulge

1133‧‧‧First pivotal

1135‧‧‧Second pivotal

13‧‧‧First connecting frame

131‧‧‧First side frame

133‧‧‧First connecting plate

1311, 1511‧‧‧through holes

1313‧‧‧ first gap

1331‧‧‧First hook

15‧‧‧Second connector

151‧‧‧Second side frame

153‧‧‧Second connection plate

1513‧‧‧ second gap

1531‧‧‧Second hook

17‧‧‧Flexible parts

19‧‧‧ pivot assembly

191‧‧‧ pivotal parts

193‧‧‧ Strengthening board

195‧‧‧shims

197‧‧‧Connecting parts

1911‧‧‧Connection hole

1913‧‧‧Pivot hole

1915‧‧‧Boss

1931‧‧‧Center through hole

1933‧‧‧Connecting through holes

1951‧‧‧First set of tabs

1953‧‧‧Second set of tabs

1955‧‧‧Connecting convex

1971‧‧‧ head

1973‧‧‧ polished section

1975‧‧‧Threaded Department

30‧‧‧ turret

50‧‧‧Fixed backplane

70‧‧‧ pivoting components

1 is a perspective view of a lifting structure according to an embodiment of the present invention.

2 is an exploded view of the lifting module of the lifting structure shown in FIG. 1.

The lifting structure and the lifting module of the present invention will be further described in detail below with reference to the accompanying drawings and preferred embodiments.

Referring to FIG. 1 , the lifting structure 100 includes a lifting module 10 , a rotating frame 30 pivotally connected to the lifting module 10 , a fixed back plate 50 , and a pivoting assembly 70 connecting the lifting module 10 and the rotating frame 30 .

Referring to FIG. 2 , the lifting module 10 includes a mounting base 11 , a first connecting frame 13 pivotally connected to the mounting seat 11 , a second connecting frame 15 , and an elastic connection between the first connecting frame 13 and the second connecting frame 15 . The piece 17 and the pivoting assembly 19.

The mounting base 11 includes a base 111 and a connecting portion 113 pivotally connecting the first connecting frame 13 and the second connecting frame 15. The connecting portion 113 has two protruding connecting protrusions 1131. The two connecting protrusions 1131 are provided with two opposite first pivoting portions 1133 and two opposite second pivoting portions 1135. The two first pivoting portions 1133 and The second second pivoting portions 1135 are different.

The first connecting frame 13 has a substantially H-shaped structure, and includes a first side frame 131 on two sides and a first connecting plate 133 in the middle and connected to the first side frame 131. One end of the first side frame 131 is rotatably connected to the first pivoting portion 1133 on the connecting protrusion 1131 of the connecting portion 113 of the mounting seat 10; the other end of the first side frame 131 defines a through hole 1311 and A first notch 1313 is defined in the edge of the end, and a first hook 1331 is provided at the edge of the first connecting plate 133.

The second connecting frame 15 also has a substantially H-shaped structure, and includes a second side frame 151 on two sides and a second connecting plate 153 in the middle and connected to the second side frame 151. The second side frame 151 is rotatably connected to the second pivoting portion 1135 of the connecting protrusion 1131 of the connecting portion 113 of the mounting seat 10; the other end of the second side frame 151 defines a through hole 1511. A second notch 1513 is defined in the edge of the end, and a second hook 1531 is provided at the edge of the second connecting plate 153.

A plurality of elastic members 17 are disposed between the first connecting frame 13 and the second connecting frame 15. One end of the elastic member 17 is hooked on the first hook 1331, and the other end is hooked on the second hook 1531. . The elastic member 17 functions as a weight when the lifting module 10 does not rotate. At the same angle, the elastic force of the elastic member 17 increases or decreases with the direction of motion to prevent excessive force when adjusting the angle of the display screen, which is beneficial to protect the lifting module 10, and the elastic member 17 can be stretched according to actual needs. Spring or compression spring. In this embodiment, the number of the elastic members 17 is four.

The pivoting assembly 19 includes a pivoting member 191, a reinforcing plate 193 that cooperates with the pivoting member 191, a spacer 195, and a connection between the first connecting frame 13, the second connecting frame 15, the pivoting member 191, and the spacer 195. Item 197.

The pivoting member 191 is a plate-like structure, and a non-circular connecting hole 1911 is defined in a central portion thereof. A pivoting hole 1913 is defined in two sides of the connecting hole 1911, and an axial extension of the pivoting hole 1913 is formed at an edge of the pivoting hole 1913. The hollow boss 1915, the added hollow boss 1915, increases the length of the pivot hole 1913. In this embodiment, the pivot hole 1913 extends through the boss 1915, and the inner wall of the pivot hole 1913 is provided with an internal thread.

The reinforcing plate 193 is a plate-like member having a shape similar to that of the pivoting member 191, and has a non-circular central through hole 1931 and a connecting through hole 1933 on both sides of the central through hole 1931. The two connecting through holes 1933 and the pivoting member The bosses 1915 on the 191 are matched by means of interference fit.

The spacer 195 includes a first sleeve piece 1951, a second socket piece 1953, and a lateral connection protrusion 1955 connecting the first socket piece 1951 and the second socket piece 1953. The lateral connecting protrusion 1955 of one of the spacers 195 is engaged with the first notch 1313 of the first connecting frame 13 to ensure that the spacer 195 can move together with the first connecting frame 13 and the other side of the spacer 195 The connecting protrusion 1955 is engaged into the second notch 1513 of the second connecting frame 15 to ensure that the other spacer 195 can move together with the second connecting frame 15. Gasket 195 is made of plastic material, which can realize self-lubrication during exercise.

The connecting member 197 sequentially penetrates the first socket piece 1951 of the gasket 195, the through hole 1311 of the first connecting frame 13 or the through hole 1511 of the second connecting frame 15, and the second sleeve piece 1953 of the spacer 195. Connector 191 and reinforcing plate 193. The connecting member 197 can be a bolt, a pin or the like. Since the bolting connection is relatively stable, in the embodiment, the connecting member 197 is a step bolt, which includes a head 1971, a light rod portion 1973 and a thread portion 1975 which are sequentially connected, and the light rod portion 1973 The length of the light rod portion 1973 is slightly larger than the diameter of the pivot hole 1913 of the pivoting member 191, and the threaded portion 1975 is screwed into and penetrates the pivot hole 1913 of the pivoting member 191. Since the length of the polished rod portion 1973 is greater than the height of the spacer 195, after the lifting module 10 is assembled, there is a certain gap between the first sleeve piece 1951 of the spacer 195 and the head 1971 of the connecting member 197. When the motion is 10, the wear of the spacer 195 and the head 1971 of the connecting member 197 is reduced, and the service life is long.

When the lifting module 10 is assembled, the first connecting frame 13 and the second connecting frame 15 are first pivoted to the connecting protrusions 1131 formed on the connecting portion 113 of the mounting seat 11 at two different points; One end is hooked to the first hook 1331 of the first connecting frame 13 and the other end is hooked to the second hook 1531 of the second connecting frame 15; then the connecting protrusion 1955 of a spacer 195 is engaged into the first The first protruding portion 1313 of the connecting frame 13 is engaged with the connecting protrusion 1955 of the further spacer 195 into the second notch 1513 of the second connecting frame 15 opposite to the first notch 1313; a connecting member 197 is The light rod portion 1973 and the threaded portion 1975 pass through the through hole 1311 of the first side frame 131 of the first connecting frame 13 and a gasket 195. The head portion 1971 and the thread portion 1975 are respectively located on the gasket 195 and the first connecting frame 13 Two sides of the first side frame 131, and then another connecting piece 197 passes through the second in the same manner a through hole 1511 and a further spacer 195 on the second side frame 151 of the connecting frame 15; the boss 1915 of the pivoting member 191 is inserted into the connecting through hole 1933 of the reinforcing plate 193, and then the two are connected to the two connecting pieces. 197, the two connecting members 197 are respectively tightened, and the threaded portion 1975 of the connecting member 197 is screwed into the pivot hole 1913 of the pivoting member 191, that is, the assembly of one side of the lifting module 10 is completed, and the other side is assembled in the same manner. .

When assembling the lifting structure 100, the lifting module 10 is assembled first, then the fixed backing plate 50 is fixedly connected to the rotating frame 30, and finally the rotating frame 30 is pivotally connected to the lifting module 10 by the pivoting assembly 70.

When the lifting structure 100 is applied to a liquid crystal display, the fixed backing plate 50 is connected to the display screen housing of the liquid crystal display. During operation, the display screen housing of the liquid crystal display is rotated to drive the turret 30 to rotate relative to the lifting module 10 about the pivoting assembly 70, thereby changing the viewing angle of the liquid crystal display. By pivoting the friction between the components in the assembly, the liquid crystal display can be positioned at a particular viewing angle and will not loosen after multiple uses.

In the above-mentioned lifting structure 100, the protrusion 1915 extending along the axial direction of the pivot hole 1913 is added to the edge of the pivot hole 1913 of the pivoting member 191 in the lifting module 10, which increases the cooperation between the connecting member 197 and the pivoting member 191. The length is such that the connection between the connecting member 197 and the pivoting member 191 is relatively strong, and it is not necessary to add a nut of the locking connecting member 197 here, which simplifies the structure. Moreover, the boss 1915 also increases the strength of the pivoting member 191 itself, so that the pivoting member 191 is not easily damaged, and the stability of the pivoting connection is increased.

A reinforcing plate 193 having an interference fit with the pivoting member 191 is further added to the lifting module 10 to further enhance the strength of the pivoting member 191 and the stability of the entire mechanism. The connecting member 197 adopts a stepped structure, so that the head 1971 of the connecting member 197 and the spacer 195 are fixed. In the gap, the contact between the head 1971 of the connecting member 197 and the spacer 195 is less, which reduces the wear of the connecting member 197 when the lifting module 10 is moved, and prolongs the service life. The gasket 195 is made of a plastic material and has a self-lubricating function to ensure a smooth pivoting of the lifting module 10 and a long service life.

It can be understood that the pivot hole 1913 of the pivoting member 191 can also extend to the inside of the boss 1915 but does not penetrate the boss 1915, that is, the pivot hole 1913 of the blind hole structure is formed, and only the connecting member 197 and the pivoting member 191 need to be added. The mating length and the strength of the pivoting member 191 itself can be used.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

10‧‧‧ Lifting module

11‧‧‧ Mounting

111‧‧‧Base

113‧‧‧Connecting Department

1131‧‧‧ Connection bulge

1133‧‧‧First pivotal

1135‧‧‧Second pivotal

13‧‧‧First connecting frame

131‧‧‧First side frame

133‧‧‧First connecting plate

1311, 1511‧‧‧through holes

1313‧‧‧ first gap

1331‧‧‧First hook

15‧‧‧Second connector

151‧‧‧Second side frame

153‧‧‧Second connection plate

1513‧‧‧ second gap

1531‧‧‧Second hook

17‧‧‧Flexible parts

19‧‧‧ pivot assembly

191‧‧‧ pivotal parts

193‧‧‧ Strengthening board

195‧‧‧shims

197‧‧‧Connecting parts

1911‧‧‧Connection hole

1913‧‧‧Pivot hole

1915‧‧‧Boss

1931‧‧‧Center through hole

1933‧‧‧Connecting through holes

1951‧‧‧First set of tabs

1953‧‧‧Second set of tabs

1955‧‧‧Connecting convex

1971‧‧‧ head

1973‧‧‧ polished section

1975‧‧‧Threaded Department

Claims (16)

A lifting module includes a mounting base, a first connecting frame pivotally connected to the mounting base, a second connecting frame, and a pivoting member for pivoting the first connecting frame and the second connecting frame, the pivoting The pivoting member is connected to the first connecting frame and the second connecting frame by a connecting member, and the improvement is that the pivoting member is located on the edge of the pivoting hole along the pivoting hole A protruding protrusion is formed in the axial direction, and the connecting member cooperates with the pivot hole on the pivoting member, the lifting module further includes a reinforcing plate, the reinforcing plate is provided with a through hole, and the pivoting member is convex The stage is inserted into the through hole and has an interference fit with the through hole. The lifting module of claim 1, wherein the pivoting hole on the pivoting member extends through the boss on the pivoting member. The lifting module of claim 1, wherein the pivoting hole on the pivoting member extends to the inside of the boss on the pivoting member. The lifting module of claim 1, wherein the lifting module further comprises a gasket, wherein the gasket comprises two connecting sleeves, and the gasket is sleeved on the connecting member. The lifting module of claim 4, wherein the spacer further comprises a lateral connecting convex portion connecting the two connecting sleeves, wherein the first connecting bracket defines a first notch, and the second connecting frame A second notch is formed, and the first notch is engaged with the connecting protrusion on the spacer, and the second notch is engaged with the connecting protrusion on the other pad. The lifting module of claim 4, wherein the connecting member is a step bolt, the step bolt includes a head portion, a polished rod portion and a threaded portion which are sequentially connected, and the light rod portion penetrates the two sleeves of the gasket The threaded portion is screwed to the pivoting member. The lifting module of claim 1, wherein the first connecting frame is substantially H-shaped, including a first connecting plate in the middle and a first side frame on two sides of the first connecting plate, the second The connecting frame is also substantially H-shaped, and includes a second connecting plate in the middle and a second side frame on two sides of the second connecting plate. The pivoting member is connected to the ends of the first connecting frame and the second connecting frame. The lifting module of claim 7, wherein the first side frame on the two sides of the first connecting frame is pivotally connected to the two first pivoting portions on the mounting seat, and the second connecting frame is on the two sides. The second side frame is pivotally connected to the two second pivoting portions on the mounting seat, and the two first pivoting portions are different from the two second pivoting portions. A lifting structure comprising a fixed backing plate, a rotating frame of the fixed backing plate and a lifting module connected to the rotating frame, the lifting module comprising a mounting seat and a first connection pivotally connected to the mounting seat a pivoting member for pivoting the first connecting frame and the second connecting frame, wherein the pivoting member is provided with a pivoting hole, the pivoting member is connected to the first connecting frame by the connecting member And the second connecting frame is connected to the pivoting member, and the turret is rotatably connected to the pivoting member, wherein the pivoting member protrudes from the pivoting hole edge along the axial direction of the pivoting hole The connecting member is matched with the pivoting hole. The lifting module further includes a reinforcing plate. The reinforcing plate defines a through hole, and the boss on the pivoting member is inserted into the through hole and has an interference fit with the through hole. The lifting structure of claim 9, wherein the pivoting hole on the pivoting member extends through the boss on the pivoting member. The lifting structure of claim 9, wherein the pivoting hole on the pivoting member extends to the inside of the boss on the pivoting member. The lifting structure of claim 9, wherein the lifting module further comprises a gasket, the gasket comprises two connecting sleeves, and the gasket is sleeved on the connecting member . The lifting structure of claim 12, wherein the spacer further comprises a lateral connecting convex portion connecting the two connecting sleeves, wherein the first connecting bracket defines a first notch, and the second connecting frame is provided on the second connecting frame A second notch is formed, the first notch is engaged with the connecting protrusion on the spacer, and the second notch is engaged with the connecting protrusion on the other pad. The lifting structure according to claim 12, wherein the connecting member is a step bolt, the step bolt includes a head portion, a polished rod portion and a threaded portion which are sequentially connected, and the light rod portion penetrates the two sleeve pieces of the gasket. The threaded portion is screwed to the pivoting member. The lifting structure of claim 9, wherein the first connecting frame is substantially H-shaped, including a first connecting plate in the middle and a first side frame on two sides of the first connecting plate, the second connection The frame is also generally H-shaped, and includes a second connecting plate in the middle and a second side frame on two sides of the second connecting plate. The pivoting member is connected to the ends of the first connecting frame and the second connecting frame. The lifting structure of claim 15, wherein the first side frame on the two sides of the first connecting frame is pivotally connected to the two first pivoting portions on the mounting seat, and the second connecting frame is on the two sides. The second side frame is pivotally connected to the two second pivoting portions on the mounting seat, and the two first pivoting portions are different from the two second pivoting portions.