TWI387432B - Support stand - Google Patents

Description

Support mechanism

The present invention relates to a support mechanism, and more particularly to a foldable support mechanism suitable for use in a monitor.

Referring to FIG. 1, a support mechanism 100 for a monitor is composed of a base 11, a hinge structure 13, and a lifting structure 15. The lifting structure 15 is connected to a monitor (not shown) and can be used to adjust the height of the monitor. The hinge structure 13 connects the lifting structure 15 and the base 11 for adjusting the pitch angle of the monitor. The base 11 includes an integrally formed seat body 111 and a support body 113. The seat body 111 is a Y-shaped plate that is connected to the support body 113. The support body 113 is bent upward from the bottom end of the Y-shaped base body 111 by a certain inclination angle.

In order to make the support mechanism 100 more stable when standing upright, the area of the seat body 111 is generally designed to be large. However, since the top end of the support body 113 is far from the seat body 111, the base 11 is bulky, and the seat body 111 and the support body 113 cannot be disassembled, and the box body needs to occupy a large volume, which is inconvenient to carry.

In view of this, it is necessary to provide a foldable support mechanism that is small in size and convenient to carry.

A support mechanism includes a lifting structure, a hinge structure and a base. The lifting structure is connected with the supported object, and the hinge structure is connected with the lifting structure and the base. The base includes a seat body, a support body and a sliding member. One of the seat body and the support body has a plug portion, and the other has a positioning cavity for receiving the plug portion and the sliding member. The slider includes a connecting portion. The plug portion is movably connected to the connecting portion of the slider. Insert After the joint portion and the connecting portion slide out from the positioning cavity to the outside of the positioning cavity, the plug portion can be moved relative to the sliding member to fold the support body and the seat body.

In the normal state, the insertion portion and the sliding member are accommodated in the positioning cavity, so that the base body and the supporting body are integrally fixed to support the monitor. When packaging or handling is required, the connecting portion of the plug portion and the sliding member can be moved out of the positioning cavity, and then the seat body is rotated at a certain angle around the connecting portion to overlap with the supporting body, thereby greatly reducing the occupied volume and carrying It is more convenient.

The support mechanism of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

Referring to FIG. 2, the support mechanism 200 of the present embodiment can be used to support a display device such as a liquid crystal monitor or a plasma monitor. The support mechanism 200 includes a base 21, a hinge structure 23, and a lifting structure 25. The base 21 is mainly used to support the lifting structure 25. The lifting structure 25 is fixed to a monitor (not shown) for adjusting the height of the monitor. The hinge structure 23 connects the base 21 and the lifting structure 25 for adjusting the pitch angle of the monitor.

Referring to FIG. 3 , the base 21 is a foldable base, which includes a body 211 , a support body 212 , two sliding members 213 , two rotating shafts 214 , and two positioning pins 215 .

The seat body 211 is substantially a V-shaped plate, and the side end of the middle portion is provided with two spaced insertion portions 2111. Each of the insertion portions 2111 is substantially a rectangular parallelepiped, one end of which is fixed to the base 211, and the other end of which extends to form a pivotal block 2113. The pivoting block 2113 has an outer edge of a circular arc shape, and a pivot hole 2115 is formed through the pivoting hole 2115. The insertion portion 2111 and the base 211 may be integrally formed, or may be separately molded and then welded together.

The support body 212 has an approximately S-shape, one end of which is connected to the hinge structure 23, and the other end of which is formed with two receiving portions 2121. Each of the accommodating portions 2121 is an approximately elongated cube having a positioning cavity 2123 accommodating the insertion portion 2111 and the sliding member 213.

Referring to FIG. 4 together, the positioning cavity 2123 is provided with a long strip-shaped limiting hole 2124 corresponding to the two side walls. An annular limiting groove 2125 is formed on the inner side of the end of the limiting hole 2124.

The slider 213 is substantially block-shaped and includes a connecting portion 2131 and a sliding portion 2135. The connecting portion 2131 includes two lugs 2133 at one end of the sliding member 213 and a slot 2132 disposed between the two lugs 2133. The slot 2132 can accommodate the pivot block 2113. The lug 2133 has a circular outer edge. Each of the lugs 2133 is provided with a connecting hole 2134. A positioning hole 2137 is formed in the sliding portion 2135.

The rotating shaft 214 passes through the connecting hole 2134 and the pivoting hole 2115 to rotatably connect the sliding member 213 with the insertion portion 2111.

The positioning pin 215 is substantially a cylindrical body, and includes a pin body 2151 that cooperates with the positioning hole 2137 and a positioning portion 2153 that is located at both ends of the pin body 2151. The positioning portion 2153 is mainly used to prevent the pin body 2151 from coming out of the positioning hole 2137. In the present embodiment, the positioning portion 2153 is a wafer having a diameter slightly larger than that of the pin body 2151.

Referring to FIG. 4 again, the pin body 2151 and the positioning portion 2153 of the positioning pin 215 are matched with the limiting hole 2124 of the receiving portion 2121 and the limiting groove 2125, that is, the diameter of the pin body 2151 is approximately equal to the width of the limiting hole 2124, and The diameter of the positioning portion 2153 is approximately equal to the width of the limiting groove 2125. When the pin body 2151 slides in the limiting hole 2124, the positioning portion 2153 also slides in the limiting groove 2125. In order to reduce the wear between the positioning portion 2153 and the limiting groove 2125, two friction pads 216 are further disposed on each of the pin bodies 2151. The friction pad 216 is located between the positioning portion 2153 and the limiting groove 2125. The length of the limiting hole 2124 satisfies the following requirements: when the pin body 2151 is located at one end of the limiting hole 2124 (as the innermost end in FIG. 3), the connecting portion 2131 of the sliding member 213 is located within the positioning cavity 2123; when the pin body 2151 is located When the other end of the limiting hole 2124 (such as the outermost end in FIG. 3), the connecting portion 2131 of the slider 213 is located outside the positioning cavity 2123.

When the base 21 is assembled, the pivoting block 2113 of the base 211 enters the slot 2132 of the sliding member 213, and the rotating shaft 214 passes through the connecting hole 2134 of the sliding member 213 and the pivoting hole 2115 of the pivoting block 2113 to make the plug portion 2111. It is rotatably connected to the slider 213. Then, the insertion portion 2111 and the sliding member 213 enter the positioning cavity 2123 of the support body 212. The positioning pin 215 sequentially passes through the friction pad 216, the limiting hole 2124 and the positioning hole 2137 of the sliding member 213, so that the sliding member 213 is accommodated. The portion 2121 is slidably coupled.

In the normal state, when the support mechanism 200 equipped with the monitor is placed on the table, the pin body 2151 of the positioning pin 215 is located at the innermost end of the limiting hole 2124, and the plug portion 2111, the rotating shaft 214 and the sliding member 213 are all located in the receiving portion. The positioning chamber 2123 of 2121. Under the restriction of the positioning cavity 2123, the insertion portion 2111 cannot rotate about the rotating shaft 214 with respect to the slider 213. At this time, the receiving portion 2121 of the support body 212 is fixed integrally with the seat body 211 for supporting the monitor.

When the monitor is to be packaged or transported, the seat body 211 can be biased to slide the insertion portion 2111 and the sliding member 213 relative to the support body 212 by a certain distance, and the pin body 2151 of the positioning pin 215 is removed from the limiting hole 2124. Slide to the innermost end The outermost end. As shown in FIG. 5, at this time, the connecting portion 2131 of the insertion portion 2111, the rotating shaft 214, and the slider 213 is located outside the positioning chamber 2123. Since the restriction of the positioning cavity 2123 has been released, the insertion portion 2111 can be rotated by a certain angle with respect to the sliding member 213 about the rotating shaft 214, so that the seat body 211 is folded adjacent to the supporting body 212. In addition, the lifting structure 25 can also be rotated around the hinge structure 23 at a certain angle to be adjacent to the body 212, and finally form a state as shown in FIG. 6, which greatly reduces the volume occupied by the supporting device 200, and is convenient for packaging and carrying. .

It can be understood that the positioning portion 2153 of the positioning pin 215 can also be omitted, and the limiting slot 2125 corresponding to the receiving portion 2121 can also be omitted. After the positioning portion 2153 is omitted, the pin body 2151 can be pulled out or inserted from the positioning hole 2137. The pin body 2151 is also not limited to sliding from one end of the limiting hole 2124 to the other end, for example, the positioning hole 2137 is adjacent to the limit. The pin body 2151 is inserted again at both ends of the hole 2124.

The positioning cavity 2123 is not limited to the two inner walls, and is not limited to the through hole 2124. For example, one or more strip-shaped positioning grooves can be opened, and the sliding portion 2135 of the sliding member 213 does not need to be provided with a positioning pin. 215, and forming a positioning protrusion that can cooperate with the positioning groove, and the positioning protrusion is located at one end of the positioning groove, the connecting portion is located in the positioning cavity 2123; the positioning protrusion slides along the positioning groove to When the other end of the positioning slot is located, the connecting portion is located outside the positioning cavity 2123.

The number of the plug portion 2111, the housing portion 2121, the slider 213, the rotating shaft 214, and the positioning pin 215 may also be one, three or more. The pivoting block 2113 can also be disposed on the sliding member 213. At this time, the slot 2132 is correspondingly disposed on the plugging portion 2111. on.

If the sliding member 213 and the insertion portion 2111 are connected by a soft material (such as a chain or a rubber band), the rotating shaft 214 can also be omitted. The insertion portion 2111 can also be disposed on the support body 212. At this time, the positioning cavity 2123 is correspondingly disposed on the base body 211.

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.

Supporting agency ‧‧200

Base ‧‧21

Seat ‧ ‧ 211

Plug-in ‧‧‧2111

Pivot block ‧‧2,113

Pivot hole ‧‧2,115

Support ‧‧‧212

Housing ‧‧‧2121

Positioning chamber ‧‧‧2123

Limit hole ‧‧2124

Limit slot ‧‧2 2125

Sliding ‧‧‧213

Connection Department ‧‧‧2131

Slot ‧‧2 2132

Lug ‧‧2133

Connecting hole ‧‧‧2134

Sliding section ‧‧2 2135

Positioning hole ‧‧‧2137

Rotary ‧‧‧214

Positioning pin ‧‧‧215

Pin body ‧ ‧ 2 151

Positioning Department ‧‧2 2153

Friction washer ‧‧216

Hinged structure ‧‧23

Lifting structure ‧‧25

Figure 1 is a perspective view of a support mechanism.

2 is a perspective view of a support mechanism according to an embodiment of the present invention;

Figure 3 is a partially exploded perspective view of the base of the support mechanism of Figure 2.

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

Figure 5 is a perspective view showing another state of the support mechanism shown in Figure 2.

Figure 6 is a side elevational view of the support mechanism of Figure 2 in a folded state.

Base ‧‧21

Seat ‧ ‧ 211

Plug-in ‧‧‧2111

Pivot block ‧‧2,113

Pivot hole ‧‧2,115

Support ‧‧‧212

Housing ‧‧‧2121

Positioning chamber ‧‧‧2123

Limit hole ‧‧2124

Limit slot ‧‧2 2125

Sliding ‧‧‧213

Connection Department ‧‧‧2131

Slot ‧‧2 2132

Lug ‧‧2133

Connecting hole ‧‧‧2134

Sliding section ‧‧2 2135

Positioning hole ‧‧‧2137

Rotary ‧‧‧214

Positioning pin ‧‧‧215

Pin body ‧ ‧ 2 151

Positioning Department ‧‧2 2153

Friction washer ‧‧216

Claims (10)

A support mechanism includes a lifting structure, a hinge structure and a base, the lifting structure is connected with the support, the hinge structure connects the lifting structure and the base, the base comprises a seat body and a support body, and the improvement is that the base is further The sliding member includes one of the socket body and the supporting body, and the other has a positioning cavity for receiving the plug portion and the sliding member, the sliding member includes a connecting portion, the plug portion and the sliding member The connecting portion is movably connected, and after the plug portion and the connecting portion slide out from the positioning cavity to the outside of the positioning cavity, the plug portion is movable relative to the sliding member to fold the supporting body and the seat body. The support mechanism of claim 1, wherein the base further comprises a rotating shaft, and the sliding member is rotatably connected to the plug by the rotating shaft. The supporting mechanism of claim 2, wherein one of the sliding member and the plug portion is provided with a pivoting block, and the other is provided with a slot for receiving the pivoting block, the rotating shaft passes through The pivot block and the slot rotatably connect the slider to the plug. The support mechanism of claim 3, wherein the connecting portion of the sliding member is provided with two lugs, and the slot is formed between the two lugs, and each lug is provided with a connecting hole, A pivot hole is formed in the pivot block, and the rotating shaft passes through the pivot hole of the pivot block and the connecting hole on the two lugs to rotate the sliding member with the plug portion. The support structure of claim 1, wherein the positioning cavity has a strip-shaped limiting hole corresponding to the two inner walls, and the sliding member is provided with a positioning pin, and the positioning pin is located at the strip limit When one end of the hole is located, the connecting portion is located in the positioning cavity, and the positioning pin is located at the other end of the strip limiting hole The connecting portion is located outside the positioning cavity. The support mechanism of claim 5, wherein the inner side of the end of the strip-shaped limiting hole forms an annular limiting groove, and the positioning pin has a positioning portion matched with the limiting groove. The support mechanism of claim 6, wherein the positioning pin comprises a cylindrical pin body and a disc-shaped positioning portion at both ends of the pin body, the pin body having a diameter equal to a width of the limiting hole, The diameter of the positioning portion is equal to the width of the limiting slot. The support mechanism of claim 7, wherein the support mechanism further comprises a friction pad located between the positioning portion of the positioning pin and the limiting groove. The support mechanism of claim 1, wherein the inner wall of the positioning cavity is provided with a strip-shaped positioning groove, and the sliding member is provided with a positioning protrusion matched with the positioning groove, and the positioning protrusion is located at the positioning When the slot is located at one end of the slot, the connecting portion is located in the positioning cavity. When the positioning protrusion slides along the positioning slot to the other end of the positioning slot, the connecting portion is located outside the positioning cavity. The support mechanism of claim 1, wherein one end of the support body is connected to the hinge structure, and the other end is extended to form a receiving portion, the positioning cavity is disposed in the receiving portion, and the plug portion is disposed on the seat body. .