TWM484263U - Lifting module - Google Patents

Description

Lifting module

The present invention provides a lifting module, and more particularly to a lifting module for carrying a display at any height.

A conventional lifting module 900, as shown in FIG. 1 , includes a sliding assembly 91 disposed on a base 90 , a supporting base 92 disposed on the sliding assembly 91 , and a base 90 . a gear set 93, a torsion spring 94, a rope body 95, and a torsion adjusting member 96 fixed to the base 90. The second end 942 of the torsion spring 94 is coupled to the pivot 935 of the gear set 93. One end 941 is in contact with the torque adjustment member 96.

The support base 92 is connected to the turntable 930 of the gear set 93 by a rope body 95, and is mounted by a display (not shown). When the display slides downward, the turntable 930 is driven through the rope body 95, and A first gear 931, a second gear 932, a third gear 933 and a fourth gear 934 of the gear set 93 are sequentially driven and pulled through the pivot 935 of the fourth gear 934. The second end 942 of the spring 94, on the one hand, lengthens the torsion spring 94, but on the other hand makes the effective arm in the horizontal direction smaller, so that the corresponding torque generated does not always increase, but remains at the initial torque (the display has not yet a state close to the front, thereby generating a stop effect, and adjusting the torsion spring 94 by the torsion adjusting member 96 coupled to the first end 941 of the torsion spring 94 Pre-torque, thereby making the lifting module 900 usable for displays of different sizes and weights.

The present invention proposes another design of the lifting module, which uses a constant force spring to replace the torsion spring, and through an adjustable wheel, the lifting module can be applied to displays of different sizes and weights, and the display is realized by The effect of stopping at any height.

The present invention provides a lifting module for carrying a display, comprising a body; a carrier plate for carrying the display and slidingly disposed on the body; a wheel set comprising: a spindle fixed to the body; a wheel rotatably sleeved on the main shaft and having a constant diameter; a guiding member disposed on the first wheel and having at least one groove; and a second wheel having a plurality of sliding members a slider of the groove, and the sliders collectively define a diameter; and an adjusting member for interlocking the guiding member; the force spring includes a reel portion and a stretching portion, and the reel portion is fixed And the rope member is disposed around the wheel set, and one end of the rope member is fixed to the carrier plate, and the other end is fixed to the stretching portion, so that the carrier plate is pulled when the body slides The rope member drives the wheel set to rotate, and the stretching portion is correspondingly extended; wherein the adjusting member drives the guiding member to act relative to the first wheel, and the sliders of the second wheel are along the The groove of the guide slides, thereby being close to or away from the main shaft to change the second wheel Diameter.

In the lifting module as described above, the guiding member includes a guiding plate and an internal gear, the first wheel has a groove for receiving the internal gear, and the guiding plate is locked to the first wheel. So that the internal gear is kept embedded in the groove, and the inside The gear rotates with the first wheel or with respect to the first wheel.

In the lifting module as described above, the guiding plate has a plurality of linear tail grooves, and the sliding blocks have a plurality of guides corresponding to the tail grooves and sandwiched between the guiding plates and the internal gears. The sliders are outwardly or inwardly contracted by the guiding portions being slidably disposed on the dovetail slots.

In the lifting module as described above, the adjusting member has an external gear, and the external gear meshes with the internal gear to drive the internal gear to rotate relative to the first wheel.

In the lifting module as described above, the first wheel further includes a through slot for the adjusting member, the through slot has an opening, and a part of the internal tooth of the internal gear is adjacent to the opening and is received by the opening The outer gear of the slot engages.

In the lifting module as described above, the groove is formed on the internal gear and is spiral, and each of the sliders has at least one protruding rod disposed in the groove, and the internal gear is opposite to the first When the wheel rotates, the protrusion is displaced through the groove to switch the sliders between a first position and a second position.

The lifting module as described above, the rope member includes a first rope and a second rope, one end of the first rope is fixed to the first wheel, and the other end of the first rope is fixed to the carrier plate One end of the second rope is fixed to the second wheel, and the other end of the second rope is fixed to the stretching portion.

In the lifting module as described above, the first wheel has a first peripheral surface and a plurality of first traction blocks that are disposed around the first wheel and formed on the first peripheral surface. And the second wheel has a second peripheral surface and the second rope is wound around the second wheel and formed on the second peripheral surface Two traction blocks.

In the lifting module as described above, the body further includes a consistent hole, and the adjusting member is exposed to the through hole.

In the lift module as described above, the body further includes a slide rail group and a guide post, the slide rail group is slidably disposed on the carrier plate, and the guide post is for the rope member to abut.

In summary, the present invention provides a lifting module that adjusts the length of the effective arm of the second rope to the spindle axis through an adjustable second wheel, and adjusts the torque value of the second rope. The two torque values reach a substantially force-balanced state, so that the display can be stopped at any height of the lifting module, and the lifting module can be applied to functions such as the display of different sizes and weights.

1‧‧‧ Ontology

100,900‧‧‧ lifting module

11‧‧‧ motherboard

12‧‧‧ side panels

13‧‧‧Tongkong

14‧‧‧slide group

16‧‧‧Guided column

17‧‧‧Seat

2‧‧‧Loading board

200‧‧‧ display

21‧‧‧ Carrying wall

22‧‧‧ side wall

23‧‧‧Connected wall

24‧‧‧Elastic board

3‧‧‧ Wheel set

30‧‧‧ Spindle

31‧‧‧ first round

311‧‧‧through hole

312‧‧‧ positive

3121‧‧‧ Groove

313‧‧‧Back

3131‧‧‧through slot

3132‧‧‧ openings

314‧‧‧ First Circumference

3141‧‧‧First traction block

32‧‧‧Guide

321‧‧‧Guideboard

3211‧‧‧鸠尾槽

322‧‧‧Internal gear

3221‧‧‧ internal teeth

3222‧‧‧ trench

33‧‧‧ second round

331‧‧‧ Slider

3311‧‧ Guidance Department

3312‧‧‧Bump

332‧‧‧Second Circumference

3321‧‧‧Second traction block

34‧‧‧Adjustment

341‧‧‧External gear

342‧‧‧Adjustment slot

4‧‧‧ Constant force spring

41‧‧‧Stretching Department

42‧‧‧Reel

5‧‧‧rope

51‧‧‧First rope

52‧‧‧second rope

90‧‧‧Base

91‧‧‧Sliding components

92‧‧‧ support

93‧‧‧ Gear Set

930‧‧‧ Turntable

931‧‧‧First gear

932‧‧‧second gear

933‧‧‧ Third gear

934‧‧‧fourth gear

935‧‧‧ pivot

94‧‧‧torsion spring

941‧‧‧ first end

942‧‧‧second end

95‧‧‧rope

96‧‧‧Torque adjustment parts

A‧‧‧ first position

B‧‧‧second position

R1, R2‧‧‧ effective arm length

Figure 1 is a schematic diagram of a conventional lifting module; Figure 2 is an exploded view of the parts of the creative lifting module; Figure 3 is an exploded view of the parts of the creative lifting module; Figure 4A is the first round of the creative lifting module Figure 4B is a combination of the first wheel and the internal gear of the creative lifting module; Figure 5A is a schematic view of the second wheel of the creative lifting module in the first position; A schematic diagram of the second wheel of the creation lifting module in the second position; FIG. 6A is a combined half-sectional view of the main shaft, the first wheel, the guiding member and the second wheel of the creation lifting module in the first position; 6B is the main shaft, first wheel and guide of the creation lifting module And a combined half cross-sectional view of the second wheel in the second position.

The embodiments of the present invention are described below by way of specific specific examples, and those skilled in the art can readily understand the advantages and effects of the present invention from the disclosure of the present specification. This creation can also be implemented in a variety of different ways, that is, without modification or change, without departing from the scope of the present disclosure.

It should be understood that the structures, proportions, sizes, and the like, which are illustrated in the specification of the present specification, are only used to cope with the contents disclosed in the specification for understanding and reading by those skilled in the art, and are not intended to limit the creation of the present invention. The qualifications are not technically meaningful. Any modification of the structure, change of the proportional relationship or adjustment of the size should not fall under the effect of the creation and the purpose that can be achieved. The scope of the technical content revealed by the creation can be covered.

Referring to FIG. 2 , a lifting module 100 for carrying the display 200 includes a body 1 , a carrier plate 2 slidably disposed on the body 1 , a wheel set 3 disposed on the body 1 , and a A fixed force spring 4 of the body 1 and a rope member 5 wound around the wheel set 3 and fixed to the carrier plate 2 and the constant force spring 4 respectively.

The main body 1 includes a main board 11 , two side boards 12 extending forwardly from the main board 11 , a common hole 13 formed on the main board 11 , two slide rail groups 14 locked to the side board 12 , and fixed on the main board A guiding post 16 and a carrier 17 are disposed on the upper portion of the main plate 11 and the side plate 12 in a U-shaped cross section. The rope member 5 is tightened by abutting against the guiding post 16 . The carrier 17 is provided for the constant force spring 4.

The carrier board 2 includes a carrying wall 21 for carrying the display 200, two side walls 22 extending rearward from the carrying wall 21, a connecting wall 23 extending downward from the side wall 22, and a locking wall The elastic plate 24 is slidable relative to the body 1 by the side wall 22 being locked between the sliding rails 14 and the elastic plate 24 is slidably abutted against the body 1 The main board 11 can improve the stability of the operation of the carrier board 2 when sliding relative to the body 1. In the present embodiment, the elastic plate 24 is made of a thermoplastic material, but may be varied according to requirements, and is not limited to the embodiment.

Please refer to FIG. 3 at the same time. FIG. 3 is a rear perspective view of the wheel set 3 and a portion of the body 1 in FIG. 2, the wheel set 3 includes a main shaft 30, a first wheel 31, and a guide member. 32. A second wheel 33 and an adjusting member 34, wherein the main shaft 30 is fixed to the main board 11 of the body 1.

The first wheel 31 has a through hole 311, a front surface 312, a back surface 313 and a first peripheral surface 314 for being disposed on the main shaft 30 and located at the center of the first wheel 31. The first circumference 31 A plurality of first traction blocks 3141 are formed on the surface 314. A recess 3121 is formed on the front surface 312. The back surface 313 defines a through slot 3131 adjacent to the through hole 311 and having an opening 3132.

The guiding member 32 has a guiding plate 321 locked to the front surface 312 and an internal gear 322 disposed in the groove 3121. That is, the guiding plate 321 and the first wheel 31 respectively the internal gear The inner gear 322 is embedded in the recess 3121 so as not to fall off, but the inner gear 322 can still rotate freely relative to the first wheel 31 and the guiding plate 321 . The guide plate 321 has a plurality of linear dovetail grooves 3211. In addition, referring to FIG. 4A, the inner gear 322 forms a spiral groove 3222 on one side of the guiding plate 321 . In addition, please refer to FIG. 4B at the same time, a part of the internal teeth 3221 of the internal gear 322 is adjacent to the opening 3132.

The second wheel 33 has a plurality of sliders 331. The outer circumference of the slider 331 generally defines a cylinder. The diameter of the cross section of the cylinder is defined as a variable diameter. Details will be described later. Each of the sliders 331 has a pair of guiding portions 3311 of the dovetail groove 3211 and at least one protruding post 3312 formed on the guiding portion 3311. The guiding portion 3311 is mainly sandwiched between the guiding plate 321 and The inner gear 322 is slidable along the dovetail 3211, and the protrusion 3312 is slidably disposed on the groove 3222. The second wheel 33 can follow the first wheel 31 by the guiding member 32. In addition, the outer peripheral edge of the slider 331 further defines a second peripheral surface 332, and the second peripheral surface 332 defines a plurality of second traction blocks 3321.

The adjusting member 34 is disposed in the through hole 13 of the body 1 and the through slot 3131 of the first wheel 31, and has an external gear 341 and an elongated adjusting slot 342. The partial teeth of the external gear 341 are exposed to the through hole. The opening 3132 of the slot 3131 is in mesh with the internal tooth 3221 adjacent to the opening 3132, whereby the adjusting member 34 can be rotated and driven by a tool (not shown) such as a screwdriver (not shown). The internal gear 322 rotates relative to the first wheel 31.

The constant force spring 4 includes a stretched portion 41 for fixing the string member 5 and a spool portion 42 provided on the carrier 17.

The rope member 5 includes a first rope 51 and a second rope 52, the first rope The first traction block 3141 is held by the first traction block 3141 and is disposed on the first peripheral surface 314 of the first wheel 31, and the other end is fixed to the connecting wall 23 of the carrier plate 2 (refer to FIG. 5A). The second rope 52 is wound around the second peripheral surface 332 of the second wheel 33 by the second traction block 3321, and the other end is fixed to the tensile portion 41 (refer to FIG. 5A). ).

Through the above-mentioned connection relationship between the components, when the carrier plate 2 slides relative to the main body 1, the rotation of the wheel set 3 by the rope member 5 also drives the constant force spring 5 to stretch or contract.

Next, the operation relationship between the elements will be further described. Please refer to FIGS. 6A to 6B at the same time. FIG. 6A is a cross-sectional view taken along line 6A-6A of FIG. 5A, and FIG. 6B is a cross-sectional view taken along line 6B-6B of FIG. 5B. In the embodiment, the adjusting member 34 exposed to the through hole 13 is rotated to drive the internal gear 322 to rotate relative to the first wheel 31. At this time, because the slider 331 of the second wheel 33 is guided by the guide wheel 331 The guiding portion 3311 is engaged with the linear dovetail groove 3211 and is slid on the spiral groove 3222 of the internal gear 322 by the protruding post 3312. Therefore, when the internal gear 322 rotates relative to the first wheel 31, The slider 331 will spirally slide outward or inward along the groove 3222, but is affected by the linear guidance of the dovetail 3211, so that the final net effect of the slider 331 is only linearly Moving the slide outward or inward, whereby the slider 331 slides along the spiral groove 322 according to the rotation direction of the internal gear 322 to gradually move away from or close to the main shaft 30, so as to be a first The position A (as shown in Fig. 5A) and the second position B (as shown in Fig. 5B) are switched. In the first position A, the slider 331 is closest to the main shaft 30, and at this time, the variable diameter of the second wheel 33 is the smallest; In position B, the slider 331 is furthest from the main shaft 30, and at this time, the variable diameter of the second wheel 33 is the largest.

In view of the above, the technical content of the display 200 capable of achieving the stop function at any height is described below. Since the first rope 51 and the second rope 52 are both wound around the wheel set 3, the second described by the above paragraph The diameter of the wheel 33 varies so that the lift module 100 of the present invention and the display 200 conform to the torque balance formula as shown in 1-1.

F _s × R ₂ = F _m × R ₁ ---(1-1)

F _S : the force provided by the constant force spring

F _m : the weight of the display

R ₁ : effective arm length in the horizontal direction of the first string 51

R ₂ : effective arm length in the horizontal direction of the second rope 52

Further, when switching between the first position A and the second position B, the effective force in the horizontal direction of the first string 51 connected to the first wheel 31 is calculated based on the axis of the spindle 30 as a base point. The arm length R1 is constant, but the second rope 52 connected to the second wheel 33 is affected by the variable diameter of the second wheel 33, so that the second rope 52 is based on the axis of the spindle 30. The effective arm length R2 to the horizontal direction changes; in other words, since the tensile restoring force of the constant force spring 4 connected to the second rope 52 can be regarded as a constant value, and the effective arm length R1 is also maintained. No change, so when the display 200 of different weights (sizes) is disposed on the carrier 2, by adjusting the effective arm length R2 to substantially balance the two torque values, the display 200 can be stopped at any height. efficacy.

In addition, in the above formula, although F _m represents the weight of the display, there are actually other factors to consider, such as the weight of the carrier plate 2 and the friction between the components, etc., and will not be described herein. .

In summary, the present invention provides a lifting module 100 that changes the effective arm length R2 of the second rope 52 in the horizontal direction through an adjustable second wheel 33, so that the two torque values reach a state of force balance. The display 200 can be stopped at any height of the lifting module 100 for application to the display 200 of different sizes and weights.

1‧‧‧ Ontology

100‧‧‧ lifting module

11‧‧‧ motherboard

12‧‧‧ side panels

13‧‧‧Tongkong

14‧‧‧slide group

16‧‧‧Guided column

17‧‧‧Seat

2‧‧‧Loading board

200‧‧‧ display

21‧‧‧ Carrying wall

22‧‧‧ side wall

23‧‧‧Connected wall

24‧‧‧Elastic board

3‧‧‧ Wheel set

30‧‧‧ Spindle

31‧‧‧ first round

32‧‧‧Guide

33‧‧‧ second round

34‧‧‧Adjustment

4‧‧‧ Constant force spring

41‧‧‧Stretching Department

42‧‧‧Reel

5‧‧‧rope

51‧‧‧First rope

52‧‧‧second rope

Claims (10)

A lifting module for carrying a display, comprising: a body; a carrier plate for carrying the display and slidingly disposed on the body; a wheel set comprising: a spindle fixed to the body; a first wheel Rotatablely sleeved on the main shaft and having a constant diameter; a guiding member disposed on the first wheel and having at least one groove; and a second wheel having a plurality of sliding members disposed on the groove a slider of the slot, and the sliders collectively define a diameter; and an adjusting member for interlocking the guiding member; the force spring includes a reel portion and a stretching portion, the reel portion is fixed on the And a cord member disposed around the wheel set, one end of the rope member is fixed to the carrier plate, and the other end is fixed to the stretching portion, so that the carrier plate pulls the rope member when the body slides Driving the wheel set to rotate and correspondingly extending the stretching portion; wherein operating the adjusting member to drive the guiding member to act relative to the first wheel, and causing the sliders of the second wheel to follow the guiding The groove of the piece slides, thereby approaching or moving away from the main shaft to change the diameter of the second wheel. The lifting module of claim 1, wherein the guiding module The guiding member includes a guiding plate and an internal gear, the first wheel has a groove for receiving the internal gear, and the guiding plate is locked to the first wheel, so that the internal gear is kept embedded in the concave a slot, and the internal gear rotates with or rotates relative to the first wheel. The lifting module of claim 2, wherein the guiding plate has a plurality of linear dovetail grooves, the sliders having a plurality of corresponding dovetail slots and being sandwiched between the guiding plates and The guiding portion between the internal gears, the sliders are outwardly extended or inwardly contracted by the guiding portions being slidably disposed on the dovetail grooves. The lifting module of claim 2, wherein the adjusting member has an external gear, and the external gear meshes with the internal gear to drive the internal gear to rotate relative to the first wheel. The lifting module of claim 4, wherein the first wheel further comprises a slot for receiving the adjusting member, the slot has an opening, and a part of the internal tooth of the internal gear is adjacent to the The opening is engaged with the external gear that is received in the slot. The lifting module of claim 2, wherein the groove is formed on the internal gear and has a spiral shape, and each of the sliders has at least one protruding column disposed in the groove. When the internal gear rotates relative to the first wheel, the protrusion is displaced through the groove to switch the slider between a first position and a second position. The lifting module of claim 1, wherein the rope member comprises a first rope and a second rope, one end of the first rope is fixed to the first wheel, and the first rope is further One end is fixed to the carrier plate, the first One end of the second rope is fixed to the second wheel, and the other end of the second rope is fixed to the stretching portion. The lifting module of claim 7, wherein the first wheel has a first peripheral surface and the first rope is retained around the first wheel and formed on the first peripheral surface. a plurality of first traction blocks, and the second wheel has a second peripheral surface and a plurality of second traction blocks that are disposed around the second wheel and formed on the second peripheral surface. The lifting module of any one of claims 1 to 8, wherein the body further comprises a consistent hole, the adjusting member being exposed to the through hole. The lifting module of any one of the preceding claims, wherein the body further comprises a sliding rail group and a guiding column, the sliding rail group is configured to slide the carrier plate, the guiding The column is for the rope to abut.