TWM527198U - Lifting device - Google Patents

Description

Lifting device

The present invention relates to a lifting device, and more particularly to a lifting device having a sliding mechanism.

According to the daily contact of our people in the workplace or at home, especially the liquid crystal display, in addition to the adjustment of the elevation angle, in addition to the adjustment of the elevation angle, the setting of the lifting device is gradually increased, so that the display can be adapted accordingly. The size of the person, while adjusting the height to meet the ergonomic appeal.

Generally, it is conventionally used for supporting a support object, such as a lifting device of a display, by attaching a pair of fixed slide rails to the frame walls on both sides of a bracket, and attaching a pair of flaps to the rear of a support seat. For the movable rail, the pair of movable rails can be longitudinally displaced along the pair of fixed rails to adjust the height of the display. The combination of the fixed slide rail and the movable slide rail is a slide rail structure well known to us. In fact, there is a ball arrangement between the fixed slide rail and the movable slide rail, so that when the movable slide rail of the formed ball slide rail structure can slide along the fixed slide rail, the friction between the two can be reduced, and then the friction between the two can be reduced. Reduced effort and extended service life of the ball slide structure.

Since the above-mentioned slide rail structure is mostly a specification, for example, a slide rail structure having a width of 16 mm or 27 mm is assembled to the bracket and the support base, and when the supported object, for example, a flat monitor is a large size, the standard specification is The slide rail structure can be matched with the side wall and the airfoil of the equal width, so that the bracket has sufficient supporting force. When the flat monitor is a small size or an ultra-thin size, if the slide rail structure, the bracket and the support base of the same specification are used, waste is inevitable, and the shape of the bracket is difficult to be thinned, so as to match the flat monitor. Oversized or oversized brackets combined with a small or thin flat panel monitor also create a sense of abruptness and need to be improved.

Furthermore, the aforementioned bracket is an integrally formed metal casting having a considerable weight, so that the lifting device is difficult to be lightweight, and the transportation cost is increased.

Therefore, how to thin the design of the sliding mechanism and the bracket of the lifting device to match the flat monitor is a difficult problem to be overcome by related companies.

The main purpose of the present invention is to provide a lifting device for arranging a sliding seat of a bearing seat through a space, so that a bracket for mounting the sliding seat can be thinned to match a small size or a thinned shape. Supported objects, such as flat monitors, add visual consistency.

In order to achieve the foregoing objectives, the technical means adopted in the present invention is to provide a lifting device comprising a bracket comprising an upper frame, the left and right sides of the upper frame being oppositely provided with a pair of rail grooves, the pair of rail slots Each of the front sides has a slot in the longitudinal direction; a support base has a seat piece extending vertically from the pair of fins, and the left and right side walls of the pair of fins are symmetrically disposed with a pair of slides sleeved in the pair of rail slots a shifting seat, each of the sliding seats opening a plurality of wheel holes arranged in two rows and communicating with an adjacent side wall of each of the sliding seats, wherein at least one of the wheel holes of each of the row of wheel holes is sleeved with a roller The roller is partially exposed to the adjacent side walls of each of the sliding seats, and adjacent to the corresponding inner wall of each of the rail grooves, and another end piece is coupled to the sliding seat to close the two rows of wheel holes. The pair of fins are disposed through the pair of slots; and a force spring is wound in a loop and connected between the upper frame and the support.

As shown in FIG. 1 to FIG. 3, basically, the lifting device of the present invention comprises a bracket 1, a support base 2, and a force spring 3.

The bracket 1 is a frame for the support base 2, and the bracket 1 is mounted on a base 13. The bracket 1 includes an upper frame 11 and a lower portion of the upper frame 11 Stand 12. The upper frame 11 is preferably an elongated plate body of an aluminum alloy extrusion type, and a pair of rail grooves 111 are disposed on opposite sides of the pair of rail grooves 111. An auxiliary guide groove 113 is recessed in the longitudinal direction between the pair of rail grooves 111. A pair of slots 114 abutting the pair of rail slots 111 are further disposed between the pair of rail slots 111. The pair of slots 114 are located on opposite sides of the auxiliary guiding slot 113, for example, left and right sides. Since the upper frame 11 is made of an aluminum alloy and has the pair of rail grooves 111, the auxiliary guide grooves 113, and the pair of slots 114, the weight reduction effect is obtained.

The lower stand 12 is preferably an elongated plate body made of a metal casting, and a pair of first plugs 121 for inserting into the pair of rail grooves 111 and a pair of the plugs are inserted into the pair. a second plug 122 in the slot 114, and a first through hole 115 (shown in FIG. 3) is formed in each of the first and second plugs 121 and 122 at the bottom and back sides of the upper frame 11 to be utilized. A first locking member 116, such as a bolt, passes through each of the first through holes 115, and is locked to the first and second plugs 121 and 122, so that the upper frame 11 is attached to the lower stand. The top of the frame 12 is combined and integrated.

In order to allow the lower frame 12 to be fixed to the top surface of the base 13, the bottom surface of the lower frame 12 is longitudinally opened with at least one insertion hole 123 and at least one connection hole 124 (shown in broken lines in FIG. 3). The bottom surface of the base 13 is provided with at least one positioning cymbal 131 inserted into the at least one insertion hole 123, and at least one second locking member 132 that is inserted through the base 13 and locked to the at least one receiving hole 124, for example bolt. Therefore, the bracket 1 can be attached to the top surface of the base 13 in an upright position.

Furthermore, for the installation of the fixed-force spring 3, a spring seat 14 is attached to the top of the upper frame 11, and a pair of bottoms of the spring seat 14 are provided with a pair of fixings for positioning and positioning the pair of slots 114.榫 141, and the top portion has an arc recess 142 for straddle the fixed force spring 3 wound in a loop shape, and a free end 31 of the constant force spring 3 is coupled to the support seat 2 .

Referring to FIG. 4 to FIG. 6 , the support base 2 is used for connecting a supported object, such as a flat monitor. The support base 2 has a front end and a rear end respectively extending perpendicularly to the pair of arms 22 and a pair of fins 23 . The seat piece 21. The two side walls of the pair of fins 23, for example, the left and right side walls are vertically symmetrically disposed with a pair of sliding seats 231 that are sleeved in the pair of rail slots 111. Each of the sliding seats 231 is arranged in two rows and is arranged in two rows. Each of the sliding holes 231 is adjacent to the wheel hole 232 of the adjacent side wall, and at least one of the wheel holes 232 of each of the row of wheel holes 232 is sleeved with a roller 233, so that each of the rollers 233 is partially exposed to each of the sliding blocks 231. The adjacent side walls are adjacent to the corresponding inner walls of each of the track grooves 111. Another end piece 234 is coupled to the sliding seat 231 to close the two rows of wheel holes 232 to prevent the rollers 233 from coming off. The pair of fins 23 are disposed in the pair of through slots 112 such that the support base 2 can be vertically raised and lowered in front of the upper frame 11.

The two rows of wheel holes 232 are longitudinally parallel to each other, longitudinally spaced, and laterally aligned, such that the two rollers 232 that are laterally aligned form a contact (shown in FIG. 6). However, the arrangement of the two rows of wheel holes 232 is not limited to the foregoing embodiment. The two rows of wheel holes 232 can be disposed in longitudinally parallel, longitudinally spaced, and laterally spaced alignments such that the two rollers 232 are laterally aligned. The two rows of wheel holes 232 may be longitudinally parallel to each other, longitudinally spaced, and arranged in a staggered manner such that the two rollers 232 are not in contact with each other; or the two rows of wheel holes 232 may be longitudinally parallel to each other and longitudinally The spacing is set and the misalignment is configured such that the two adjacent rollers 232 are in contact with each other.

Furthermore, each of the end seals 234 is a sheet made of polytetrafluoroethylene (Polytetrafluoroethene, trade name: Teflon, trade name: Teflon), and at least one rib is protruded from the outer surface of the outer surface. 235, in order to reduce the contact friction between each of the end seals 234 and the corresponding inner wall of each of the rail grooves 111. In addition, each of the wheel holes 232 further communicates with an oil storage hole 236 for lubricating oil to provide lubrication of each of the rollers 233.

An adjusting member 24 is pivotally connected to the front of the docking arm 22, and the adjusting member 24 extends rearwardly to the pair of swing arms 241, and the adjacent arm 22 and the pair of swing arms 241 are pivotally connected to each other by a conventional rotating shaft structure. The adjusting member 24 is swung up and down with respect to the support base 2.

In addition, the back surface of the seat piece 21 includes a set of guiding protrusions 25 disposed in the auxiliary guiding groove 113; in order to reduce the frictional force of the guiding protrusion 25 to vertically rise and fall in the auxiliary guiding groove 113, therefore, a A connecting member 251 is, for example, bolted to the back surface of the guiding protrusion 25, and a wear-resistant member 252, such as a cover made of polyoxymethylene (POM), is sleeved on the connecting member 251. The wear-resistant member 252 is brought into contact with the auxiliary guiding groove 113, thereby achieving the advantages of reducing friction and reducing abnormal sound at the contact portion.

The constant force spring 3 is a conventional one, and the coiled portion is wound in the arc recess 142 of the spring seat 14. The free end 31 of the constant force spring 3 extends downward and is fixed to the seat. The elastic force of the fixed force spring 3 is sufficient to support the support base 2 and the supported object, such as the weight of the flat monitor, so that the supported object together with the support base 2 can be vertically raised and lowered and stagnated in front of the support frame 1.

Through the description of each component and the group relationship, the space type after the assembly is as shown in FIG. 1 . At this time, the support base 2 is disposed on each of the rails by the two rows of rollers 233 provided by each of the sliding seats 231. The slot 111 is longitudinally moved, and the fixed force spring 3 is coupled to the support base 2 and the upper frame 11, so that the constant force spring 3 constantly applies the upward force of the support base 2, and The support, such as the flat monitor, is balanced by the downward gravity, so that the support base 2 can smoothly and smoothly rise and fall in front of the upper frame 11 in a smooth and smooth manner.

Referring to FIG. 6 again, it can be clearly seen that the two rows of rollers 233 are respectively adjacent to the front and rear inner walls of the respective rail slots 111, and the longitudinal lifting adjustment is stably performed.

Therefore, through the implementation of the present invention, the effect obtained by the pair of sliding seats and the roller arrangement design thereof is that the pair of sliding seats can be vertically moved and moved in the pair of rail grooves of the upper frame, Replacing the conventionally standardized rail structure and reducing the design through components can reduce manufacturing costs. Furthermore, the sliding seat is configured to reduce the thickness of the upper frame for the sliding seat by the arrangement of the space, and then the upper frame is matched with the lower standing frame of the same degree. The bracket forms a visually consistent aesthetic with the thinned support, such as a flat monitor, and is one of the best in its class.

The disclosure of the present invention is a preferred embodiment. Any change or modification of the present invention originating from the technical idea of the present invention and being easily inferred by those skilled in the art will not deviate from the scope of patent rights of the present invention.

1‧‧‧ bracket
11‧‧‧Upstanding stand
111‧‧‧ rail slot
112‧‧‧through slot
113‧‧‧Auxiliary guide channel
114‧‧‧Slots
115‧‧‧First through hole
116‧‧‧First lock firmware
12‧‧‧Lower stand
121‧‧‧First Insert
122‧‧‧Second plug
123‧‧‧ jack
124‧‧‧Contact hole
13‧‧‧Base
131‧‧‧Location榫
132‧‧‧Second lock firmware
14‧‧ ‧ spring seat
141‧‧‧ fixed 榫
142‧‧‧ arc recess
2‧‧‧ support
21‧‧‧Seat film
22‧‧‧ 接臂
23‧‧‧ wing
231‧‧‧Sliding seat
232‧‧‧ wheel holes
233‧‧‧Roller
234‧‧‧End seals
235‧‧‧ ribs
236‧‧‧ oil storage hole
24‧‧‧Adjustment
241‧‧‧ swing arm
25‧‧‧Guiding bumps
251‧‧‧Connecting parts
252‧‧‧Abrasion parts
3‧‧‧ Constant force spring
31‧‧‧Free end

In order to further reveal the specific technical content of the case, first refer to the drawings, in which: Figure 1 is a perspective view of the lifting device of the present invention; Figure 2 and Figure 3 are exploded perspective views of two different viewing angles of the stent of the present invention; Figure 4 and Figure 5 An exploded perspective view of the sliding mechanism attached to the two different viewing angles of the bracket and the support base; and FIG. 6 is a cross-sectional view taken along line AA of FIG.

1‧‧‧ bracket

11‧‧‧Upstanding stand

111‧‧‧ rail slot

112‧‧‧through slot

113‧‧‧Auxiliary guide channel

114‧‧‧Slots

14‧‧ ‧ spring seat

141‧‧‧ fixed 榫

142‧‧‧ arc recess

2‧‧‧ support

21‧‧‧Seat film

22‧‧‧ 接臂

23‧‧‧ wing

231‧‧‧Sliding seat

232‧‧‧ wheel holes

233‧‧‧Roller

234‧‧‧End seals

235‧‧‧ ribs

236‧‧‧ oil storage hole

24‧‧‧Adjustment

241‧‧‧ swing arm

3‧‧‧ Constant force spring

31‧‧‧Free end

Claims (15)

A lifting device comprising: a bracket comprising an upper frame, wherein the left and right sides of the upper frame are oppositely provided with a pair of rail grooves, wherein the pair of rail grooves respectively define a longitudinal slot in front of the rail groove; a seat piece having a pair of fins extending vertically in a rear end, the left and right side walls of the pair of fins being symmetrically disposed with a pair of sliding seats sleeved in the pair of rail grooves, each of the sliding blocks opening a plurality of rows Two rows of wheel holes communicating with adjacent sidewalls of each of the sliding seats, and at least one of the wheel holes of each of the row of wheel holes is sleeved with a roller, so that each roller is partially exposed to the phase of each of the sliding seats Adjacent side walls, and adjacent to corresponding inner walls of each of the rail grooves, and another end piece is coupled to the sliding seat to close the two rows of wheel holes, and the pair of fins are disposed in the pair of through grooves; And a force spring wound in a loop shape and connected between the upper frame and the support seat. The lifting device of claim 1, wherein the bracket further comprises a lower frame that is attached to the lower side of the upper frame, the lower frame is fixed to a top surface of the base; wherein the upper frame is The elongated plate body of the aluminum alloy extruded type, and the lower frame is an elongated plate body made of a metal casting. The lifting device of claim 2, wherein a pair of first inserts for inserting into the pair of rail grooves are protruded from the top of the lower frame; and a pair of abutments are further disposed between the pair of rail grooves The slot of the pair of rail slots, the top of the lower rack is further provided with a pair of second plugs inserted in the pair of slots. The lifting device of claim 3, wherein the bottom of the upper frame corresponds to the first and second insertion positions, respectively, and a first through hole is opened, and a first lock is passed through each of the first a through hole is locked to the first and second plugs. The lifting device of claim 2, wherein at least one insertion hole and at least one connection hole are formed in a longitudinal direction of the bottom surface of the lower shelf, and at least one of the bottom surface of the bottom shelf is inserted into the at least one insertion hole. Positioning the cymbal and at least one second fastener that is inserted into the base and locked to the at least one through hole. The lifting device of claim 1, wherein an auxiliary guiding groove is further recessed in front of the pair of rail grooves; and the back surface of the seat piece includes a guiding protrusion disposed in the auxiliary guiding groove. . The lifting device of claim 6, wherein the back surface of the guiding protrusion is combined with a connecting member, and a wear-resistant member is sleeved on the connecting member to form the wear-resistant member and the auxiliary guiding groove. contact. The lifting device of claim 1, wherein the upper frame further comprises a spring seat, and the pair of rail grooves are provided with a pair of slots adjacent to the pair of rail grooves, and a bottom surface of the spring seat is provided with a slot A fixed jaw for inserting and positioning the pair of slots, and a top portion having an arc recess for the constant force spring to straddle. The lifting device of claim 1, wherein a pair of arms are extended in front of the seat piece, and the pair of arms extend backwardly with respect to an adjusting member, and the pair of arms and the pair of swing arms are pivoted The structure is pivoted such that the adjustment member can swing up and down relative to the support base. The lifting device of claim 1, wherein the two rows of wheel holes are longitudinally parallel to each other, longitudinally spaced apart, and laterally aligned, such that the two rollers that are laterally aligned form a contact. The lifting device of claim 1, wherein the two rows of wheel holes are longitudinally parallel to each other, longitudinally spaced, and laterally spaced, such that the two rollers that are laterally aligned do not contact. The lifting device of claim 1, wherein the two rows of wheel holes are longitudinally parallel to each other, longitudinally spaced, and arranged in a staggered manner such that the two rollers of the misaligned spacing do not contact. The lifting device of claim 1, wherein the two rows of wheel holes are longitudinally parallel to each other, longitudinally spaced apart, and misaligned in a manner such that the two adjacent rollers are in contact with each other. The lifting device of claim 1, wherein the outer surface of each of the end seals protrudes longitudinally from at least one rib that contacts the corresponding inner wall of each of the rail grooves. The lifting device of claim 1, wherein each of the wheel holes further communicates with an oil storage hole for lubricating oil.