TWI465385B - Lifting device - Google Patents

Description

Jacking device

The invention relates to a jacking device; in particular to a novel application of the cooperation of the boom and the linkage arm to assist the rotation or lifting movement of a body or a module.

It is a well-known technique to apply a combination of hydraulic systems or mechanical components (e.g., screws, gears, drive motors, etc.) to jack up objects or to raise and lower objects. For example, jacks, jacks, etc., provide a typical embodiment.

One of the problems with structural design and application of such prior art is that their structural combinations and operational situations are often complex; this is not what we would expect.

It can be understood that because of their complicated structural combination, they can usually only be used to cause objects to rise and fall; this situation reflects that they are combined with other objects or organisms (for example, electronic objects, mechanical equipment, etc.). It is a difficult subject to use, to assist the movement of the object or the body, or to assist the movement of the object or the body more labor-saving.

Typically, these references show the use and structural design of the jacking device or its associated bonding components. If the redesign considers the structure of the jacking device and related components, as well as the application described above, making it different from the conventional user, it will be able to change its usage type. State, and different from traditional methods. For example, make its structural design at least consider the following topics:

1. Its structural combination should be as simple as possible to improve the structure and operation of conventional techniques.

2. Its structural design can be used as an auxiliary device, which can be easily combined with other objects or organisms to assist the movement of the object or the body to increase its application range; in fact, it also improves the conventional skills and other The case where an object or a combination of bodies is applied.

None of these topics have been specifically taught or disclosed in the above references.

Therefore, the main object of the present invention is to provide a jacking device which provides a function of pushing an object to rotate or raise or lower, and includes a combination of a follower arm and a link arm. The slave arm has a first end that generates rotational and linear motion and a second end that is pivotally coupled to the linkage arm; and the linkage arm has a fixed end disposed on a base, and a free end . After receiving the first force, the first end of the follower arm forces the second end to push the linkage arm to rotate, so that the free end of the linkage arm moves between a first position and a second position to push an object to rotate. Movements such as rising or falling.

According to the jacking device of the present invention, an elastic device is disposed between the first end of the follower arm and the fixed end of the linking arm. The elastic device is responsive to the force at the first end of the driven arm, so that the free end of the linking arm is from the first position toward the When the second position is moved, energy is accumulated; and when the force is released, the previously accumulated energy is released, and the follower arm and the interlocking arm are returned to the initial position.

According to the jacking device of the present invention, the first end of the follower arm is disposed on the base; and the first end is pivotally coupled to a body (or a sliding/rotating module). Therefore, when the body moves, a force is generated to force the first end of the follower arm to generate a linear motion on a reference axis, so that the second end pushes the free end of the link arm to move from the first position to the second position. In order to promote the movement of the body to rotate or rise.

The novelty, features, and other objects and effects of the present invention will be hereinafter described in conjunction with the detailed description of the drawings, as illustrated.

10‧‧‧From the boom

11‧‧‧ first end

12‧‧‧ second end

13, 23‧‧‧ Connection Department

20‧‧‧ linkage arm

21‧‧‧ fixed end

22‧‧‧Free end

24‧‧‧Roller

30‧‧‧Base

31‧‧‧ Track

40‧‧‧Sliding section

41‧‧‧ head end

45‧‧‧Fixed Department

50, 55‧‧‧ Elastic

50a, 50b‧‧‧

55a, 55b‧‧‧

60‧‧‧ objects

70‧‧‧ body

71‧‧‧Mobile Module

72‧‧‧System Module

73‧‧‧Keyboard area

74‧‧‧ groove rail

80‧‧‧Support arm

81‧‧‧ first end

82‧‧‧ second end

Χ‧‧‧reference axis

1 is a schematic structural view of an embodiment of the present invention and a pedestal combination; the arrangement relationship of the slave arm, the link arm and the pedestal is depicted.

Figure 2 is a schematic exploded view of the structure of Figure 1.

Figure 3 is a schematic view of the planar structure of the present invention.

Figure 4 is a schematic view of the operational embodiment of Figure 3; showing the force pushing the movement of the slave arm, the linkage arm and the spring.

Figure 5 is a schematic view of a modified embodiment of the present invention; depicting the arrangement of the spring between the second end of the follower arm and the linking arm.

Figure 6 is a schematic view of the operational embodiment of Figure 5; showing the movement of the linkage arm from the first position toward the second position, the elastic device accumulating energy.

Figure 7 is a schematic view of an embodiment of the present invention and a combination of body applications; depicting a configuration in which a support arm is disposed between the mobile module and the system module of the body.

Figure 8 is a schematic cross-sectional view showing a partial structure of the combined application of the present invention and the body; showing the cooperation of the follower arm and the support arm.

Fig. 9 is an enlarged schematic view showing a partial structure of Fig. 8.

Figure 10 is a schematic view of an operational embodiment of the present invention and the combined application of the body; depicting the operator pushing the moving module, the supporting arm applying force to the driven arm, causing the linking arm to move toward the second position, jacking up the moving module situation.

Figure 11 is a schematic view showing another operational embodiment of the present invention and the combined application of the body; the case where the mobile module is moved to the set position and the support arm supports the mobile module for the user to operate.

Referring to Figures 1, 2 and 3, the jacking device of the present invention comprises a combination of a follower arm and a linkage arm; respectively, designated by reference numerals 10, 20. The follower arm 10 is of a rod or plate type; has a first end 11 and a second end 12 pivotally coupled to the linkage arm 20. Figures 1 and 2 show that the first end 11 can produce rotational and linear motion (or displacement) on a (horizontal) reference axis.

Figures 1 and 2 also depict the configuration of the linkage arm 20 as a rod or plate; having a fixed end 21 and a free end 22. And the second end 12 of the slave arm is rotatably pivoted between the fixed end 21 of the linking arm and the free end 22. Specifically, the second end of the boom The 12 series is pivotally connected to the position of the fixed end 21 of the linking arm; that is, the distance from the pivoting position of the second end 12 of the moving arm 12 and the linking arm 20 to the fixed end 21 is about one third of the length of the linking arm 20. (For example, the situation shown in Figure 3).

Therefore, after receiving an external force or a force, the first end 11 of the follower arm forces the second end 12 to push the linkage arm 20 to fix the end 21 as a pivot point, thereby generating rotation; and, the free end 22 of the linkage arm is Movement between a first position and a second position to urge an object to produce a rotation, ascending or descending motion; this portion will be described below.

In the embodiment taken, the slave arm first end 11 and the linkage arm fixed end 21 are disposed on a base 30. The base 30 is provided with a track 31; and the first end 11 of the follower arm is movable and rotatable along the track 31. In the embodiment taken, the first end 11 of the slave arm is rotatably disposed on a sliding portion 40; the sliding portion 40 is movably mounted in the base rail 31. Further, an external force or a force is allowed to push the sliding portion 40, so that the sliding portion 40 drives the first end 11 of the driven arm to move and rotate along the rail 31.

The figure shows that the follower arm 10 is formed in a symmetrical form, and includes a connecting portion 13 connected between the two follower arms 10; and the linking arm 20 also forms a symmetrical type, including a connecting portion 23 Between the two linked arms 20. Corresponding to the (symmetric) configuration of the slave arm 10 and the link arm 20, the track 31 of the base 30 forms a symmetrical state.

Referring again to Figures 1, 2 and 3, in a preferred embodiment, between the first end 11 of the follower arm and the fixed end 21 of the linkage arm, An elastic 50. The elastic device 50 accumulates energy when the first end 11 of the follower arm responds to the urging force to move the free end 22 of the linkage arm from the first position toward the second position; and, when the force is released, The previously accumulated energy is released, and the follower arm 10 and the link arm 20 are returned to the initial position.

In the embodiment taken, the elastic member 50 selects a type of coil spring having a position in which both ends 50a, 50b are fixed between the first end 11 of the follower arm and the fixed end 21 of the interlocking arm, respectively. In detail, the sliding portion 40 of the first end 11 of the follower arm is provided with a head end 41; and the connecting arm fixing end 21 is provided with a fixing portion 45 and a head end 41 formed on the fixing portion 45. Further, both ends 50a, 50b of the elastic member 50 are fixed to the sliding end portion 40 and the head end 41 of the fixing portion 45, respectively.

Referring to Figures 3 and 4, the movement of the slave arm 10, the linkage arm 20 and the elastic member 50 is depicted. Fig. 3 shows the position of the slave arm 10 and the link arm 20, which is defined as the first position (or initial position). Fig. 4 shows the position of the slave arm 10 and the link arm 20, which is defined as the second position.

When an external force or a force acts on the sliding portion 40 or the first end 11 of the driven arm (such as the arrow portion of FIGS. 3 and 4), the sliding portion 40 and the first end 11 are along the track 31 or The displacement of the reference shaft 迫使 forces the elastic device 50 to accumulate energy; and, forcing the second end 12 of the driven arm to push the linkage arm 20 to rotate with the fixed end 21 as a pivot point, moving from the first position to the second position; for example, FIG. The situation depicted.

The imaginary line portion of Figures 3 and 4 depicts a situation in which an object 60 is disposed on the free end 22 of the linkage arm. Thus, when the linkage arm 20 is moved from the first position toward the second position, the free end 22 of the linkage arm pushes or jacks up the object 60 to produce an upward motion. In a possible embodiment, the free end 22 of the linkage arm is provided with a roller 24 for reducing the resistance or friction between the linkage arm 20 and the object 60.

It will be appreciated that when the external force or force is released, the weight of the object 60 forces the linking arm 20 and the follower arm 10 back to the initial position. In a preferred consideration, the previously accumulated energy is released by the elastic member 50, forcing the slider 40 to bring the follower arm 10 back to the initial position of the linkage arm 20; for example, the position shown in FIG.

Referring to Figures 5 and 6, a modified embodiment of the spring is depicted. In this embodiment, the elastic means is indicated by reference numeral 55. The elastic device 55 selects a type of torsion spring, and is disposed at a pivotal position of the second end 12 of the follower arm and the linkage arm 20; and has two ends 55a, 55b fixed to the first end 11 of the follower arm, respectively. Connect the arm 20 on it. Therefore, when the first end 11 of the slave arm is responsive to the external force or force, the second end 12 pushes the linkage arm 20, and the slave arm 10 and the linkage arm 20 rotate with the pivotal position as a pivot point, forcing the elastic device 55 accumulates energy. If the force is released, the elastic member 55 releases the accumulated energy, forcing the follower arm 10 and the link arm 20 to return to the initial position.

In a derivative embodiment, the elastic member 55 can be disposed at a position between the first end 11 of the follower arm and the sliding portion 40 (or the base 30, the rail 31); or at the fixed end 21 of the interlocking arm And fixed The position between the portions 45 (or the base 30). In the derivative embodiment, the elastic member 55 accumulates energy when the slave arm 10 and the linkage arm 20 move from the first position to the second position; and, when the force is released, releases the accumulated energy, forcing The slave arm 10 and the link arm 20 return to the initial position.

Please refer to Figures 7, 8, and 9, which show the combination of the jacking device and a body 70. The body 70 selects the type of an electronic device; for example, a portable computer. The body 70 includes a mobile module 71 (eg, a slide cover, a display screen) and a system module 72 having a keyboard area 73. The mobile module 71 can be disposed on the system module 72 along the system module 72. The groove rail 74 moves and rotates.

In one possible embodiment, the base 30 and the track 31 are disposed on the system module 72. A support arm 80 is mounted on the moving module 71 and the system module 72. In the embodiment, the support arm 80 includes a first end 81 rotatably pivoted in a side region of the mobile module 71; and a second end 82 is pivotally coupled to the system Module 72.

Specifically, the second end 82 of the support arm is coupled to the first end 11 of the boom, and the power of the movement of the moving module 71 is transmitted to the first end 11 of the follower arm. In the embodiment taken, the second end 82 of the support arm and the first end 11 of the follower arm form a coaxially pivoted configuration.

Referring to Figures 10 and 11, when the operator pushes the moving module 71 to move to the right in the figure along the groove rail 74, the second end 82 of the support arm The force has a force to push the first end 11 of the follower arm and the sliding portion 40 to cause the elastic device 50 to accumulate energy. At the same time, the second end 12 of the driven arm drives the linking arm 20 to move toward the second position, so that the free end 22 of the linking arm pushes up the moving module 71; this helps to reduce the horizontal thrust of the operator, thereby achieving labor saving and convenience. The operator continues to push the role of the mobile module 71.

Referring to FIG. 10 again, as the movement of the moving module 71 increases, the moving module 71 gradually leaves the free end 22 of the linking arm; and the supporting arm 80 applies the force of the first end 11 of the driven arm. slowing shrieking. Therefore, the elastic member 50 gradually releases the previously accumulated energy, causing the follower arm 10 and the link arm 20 to return to the initial position; for example, the situation depicted by the imaginary line portion of Fig. 10.

FIG. 11 particularly shows the movement module 71 moving to the set position, and the support arm 80 supporting the movement module 71 for the user to operate.

In a derivative embodiment, if a certain force spring (not shown) is disposed between the mobile module 71 and the system module 72, the moving module 71 is always pulled to the right or open in the figure. Position: When the operator pushes the moving module 71 to cause the linking arm 20 to lift up the moving module 71, the fixed-force spring can assist in pulling the moving module 71, and the moving module 71 generates an automatic pop-up effort. effect.

Typically, the lifting device has the following considerations and advantages compared to the old method under the condition that the object is raised and lowered:

1. The slave arm 10, the linkage arm 20 and related component structure, operation use situation, etc., have been redesigned, and different from the conventional one: and, changed its use type, and is different from the old one. skill. For example, the slave arm 10 is displaced on the reference shaft after being pushed by the force; and, the type of the linkage arm 20 is moved from the first position to the second position; or the springs 50, 55 are engaged to move the slave arm 10; The arm 10 and the interlocking arm 20 return to the initial position and the like.

2. Compared to the prior art, its structural combination has a streamlined design, which improves the old structure and complicated operation.

3. Its structural design can be used as an auxiliary device, and it can be easily combined with other body 70 (for example, electronic objects) to assist the movement of the body 70; not only increases its application range; in fact, it also improves the habit The situation in which the skill can't be combined with other objects or the body.

Therefore, the present invention provides an effective jacking device, the spatial type of which is different from the conventional ones, and has the advantages unmatched in the old method, showing a considerable progress, and has fully complied with the new patent. The essentials.

However, the above is only a possible embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the equivalent variations and modifications made by the scope of the present invention are covered by the scope of the present invention. .

10‧‧‧From the boom

11‧‧‧ first end

12‧‧‧ second end

13, 23‧‧‧ Connection Department

20‧‧‧ linkage arm

21‧‧‧ fixed end

22‧‧‧Free end

24‧‧‧Roller

30‧‧‧Base

31‧‧‧ Track

40‧‧‧Sliding section

41‧‧‧ head end

45‧‧‧Fixed Department

50‧‧‧elastic

50a, 50b‧‧‧

Claims (34)

A jacking device comprising a combination of a follower arm and a linkage arm; the follower arm has a first end, and a second end pivotally connected to the linkage arm; the linkage arm has a fixed end, and a free end; the fixed end of the linking arm is disposed on a base; and an elastic device is disposed between the first end of the driven arm and the fixed end of the linking arm; the elastic body has two ends respectively fixed to the driven arm a position between the first end and the fixed end of the linkage arm; the second end of the follower arm can push the linkage arm to move the free end of the linkage arm between a first position and a second position. The jacking device of claim 1, wherein the first end of the follower arm is displaced on a reference axis. The jacking device of claim 1, wherein the second end of the follower arm is rotatably pivoted between the fixed end and the free end of the linking arm. The jacking device of claim 1, wherein the second end of the slave arm is pivotally connected to a position close to the fixed end of the linking arm. The jacking device of claim 1, wherein the distance between the pivoting position of the second end of the follower arm and the linking arm to the fixed end is one third of the length of the linking arm. The jacking device of claim 1, wherein the first end of the follower arm is disposed on the base. The jacking device of claim 6, wherein the base is provided with a track; The first end of the follower arm is moved along the track. The jacking device of claim 1, wherein the first end of the follower arm is rotatably disposed on a sliding portion. The jacking device of claim 8, wherein the sliding portion is movably mounted on the base; and the base is provided with a rail; and the sliding portion is disposed in the rail. The jacking device of claim 1, wherein the follower arm is formed in a symmetrical form, and includes a connecting portion connected between the two follower arms. The jacking device of claim 1, wherein the linkage arm is formed in a symmetrical shape, and includes a connecting portion connected between the two linking arms. The jacking device of claim 6, wherein the base is provided with a track forming a symmetrical state. The jacking device of claim 9, wherein the base is provided with a track forming a symmetrical state. The jacking device of claim 1, wherein the elastic device is in the form of a coil spring. The jacking device of claim 1, wherein the first end of the follower arm is pivotally connected to a sliding portion; the sliding portion is provided with a head end; the fixed end of the linking arm is provided with a fixing portion, and a fixed portion is formed a head end portion of the upper portion; and both ends of the elastic member are respectively fixed to the head ends of the sliding portion and the fixing portion. The jacking device of claim 1, wherein the slave arm is in the form of a plate. The jacking device of claim 1, wherein the linkage arm is in the form of a plate. The jacking device of claim 1, wherein the linking arm is provided with a roller at a free end. A jacking device comprising a combination of a follower arm and a linkage arm; the follower arm has a first end, and a second end pivotally connected to the linkage arm; the linkage arm has a fixed end, and a free end; the fixed end of the linking arm is disposed on a base; and an elastic device is disposed at a pivotal position of the second end of the driven arm and the linking arm; and the elastic body has two ends respectively fixed to the driven The first end of the arm and the linking arm; the second end of the driven arm can push the linking arm to move the free end of the linking arm between a first position and a second position. The jacking device of claim 19, wherein the elastic device is in the form of a torsion spring. The jacking device of claim 1, wherein the position between the first end of the follower arm and a sliding portion is provided with an elastic. The jacking device of claim 1, wherein the position between the fixed end of the linking arm and a fixing portion is provided with an elastic. The jacking device of claim 1, wherein the position between the fixed end of the linking arm and the base is provided with an elastic. The jacking device of claim 1 or 19, wherein the slave arm and the linkage arm are combined with a body. The jacking device of claim 24, wherein the machine system is of an electronic device type; comprising a mobile module and a system module having a keyboard area; and the mobile module is configurable in the system Exercise on the group. The jacking device of claim 25, wherein the mobile module is a display screen. The jacking device of claim 25, wherein the moving module moves along a groove track disposed on the system module. The jacking device of claim 6, wherein the base is disposed on a system module. The jacking device of claim 7, wherein the base and the rail system are disposed on a system module. The lifting device of claim 25, wherein the mobile module and the system module are provided with a support arm; the support arm includes a first end rotatably pivoted on the mobile module; And a second end is pivotally connected to the system module. The jacking device of claim 30, wherein the first end of the support arm is pivotally connected to a side region of the mobile module. The jacking device of claim 30, wherein the second end of the support arm and the first end of the follower arm form a connected configuration. The jacking device of claim 30, wherein the second end of the support arm and the first end of the follower arm form a coaxially pivoted configuration. The jacking device of claim 30, wherein the moving module and the system module are provided with a force spring.