A shaking lifting mechanism

Abstract

The utility model discloses a shaking lifting mechanism, which relates to the technical field of lifting mechanisms, including a base, the shaking lifting assembly including a fixed block, the fixed block is fixedly connected to the upper surface of the base, a handwheel is rotatably connected to the fixed block, a groove is provided on the upper surface of the base, a bidirectional screw is rotatably connected in the groove, a driving gear is fixedly connected to one side of the handwheel, a driven gear is fixedly connected to the surface of the bidirectional screw, the driving gear is meshed with the driven gear, and the sliding frame is rotatably connected to the slider. The handwheel drives the driving gear to rotate, and the rotation of the driving gear drives the driven gear to rotate, so that the rotation of the driven gear drives the bidirectional screw to rotate, and then the slider moves along the groove, and the lifting platform is lifted and lowered by the movement of the slider. The handwheel is arranged on the base and will not move with the lifting platform; the driving gear and the driven gear are arranged for transmission, which is more labor-saving and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting mechanisms, in particular to a shaking type lifting mechanism. Background Art

[0002] At present, the lifting mechanism in the prior art is used to drive the object to be lifted to be lifted, so as to realize the automatic lifting of the object to be lifted and improve the automation degree of the device.

[0003] After searching the existing public patent number: CN201922399579.4, the public patent name is: a manual lifting workbench, including an upper support plate and a lower support plate arranged up and down, a workbench is arranged on the upper support plate, an upper fixed seat and a lower fixed seat are arranged on the lower surface of the upper support plate and the upper surface of the lower support plate respectively, an X-shaped movable frame is arranged between the upper support plate and the lower support plate, the upper end and the lower end of one side of the X-shaped movable frame are movably connected with the upper fixed seat and the lower fixed seat respectively, and the upper end and the lower end of the other side of the X-shaped movable frame are movably connected with the sliding sleeve and the slider respectively, a screw support seat is arranged on the lower surface of the upper support plate, the screw moves through the screw support seat, a sliding sleeve is arranged on the upper sleeve of the screw, the screw and the sliding sleeve are threadedly matched, the outer end of the screw is connected with a rotating disk, and a sliding rod seat is arranged on the upper surface of the lower support plate, a sliding rod is fixed on the sliding rod seat, and a sliding rod is arranged on the upper sleeve of the sliding rod. The manual lifting workbench provided by the utility model has a simple structure, is easy to operate, and is suitable for small operations.

[0004] However, the lifting process of the lifting mechanism is relatively laborious and after the workbench is raised, the turntable is also raised, which makes the adjustment more troublesome, and there is room for improvement. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a rocking lifting mechanism, which solves the problem that the lifting process is laborious and after the workbench is raised, the turntable is also raised, which makes adjustment more troublesome and there is room for improvement.

[0007] Technical Solution

[0008] To achieve the above purpose, the utility model is implemented through the following technical solutions: a shaking lifting mechanism, comprising: a base, the bottom of the base is symmetrically provided with universal wheels, the base is slidably connected with a sliding frame, the sliding frame is rotatably connected with a scissors frame, the scissors frame is rotatably connected with a connecting frame, a lifting platform is arranged on the connecting frame, the connecting frame is provided with two groups, one group of connecting frames is slidably connected to the bottom of the lifting platform, and the other group of connecting frames is fixedly connected to the bottom of the lifting platform, and a shaking lifting component is arranged on the base;

[0009] The shaking and lifting assembly includes a fixed block, which is fixedly connected to the upper surface of the base, and a hand wheel is rotatably connected to the fixed block. A groove is provided on the upper surface of the base, and a bidirectional screw rod is rotatably connected in the groove. Slide blocks are symmetrically arranged in the groove, and the bidirectional screw rod is threadedly connected to the slide block. A driving gear is fixedly connected to one side of the hand wheel, and a driven gear is fixedly connected to the surface of the bidirectional screw rod. The driving gear is meshed with the driven gear, and the sliding frame is rotatably connected to the slide block.

[0010] Preferably, the diameter of the hand wheel is larger than the diameter of the driving gear, the diameter of the driving gear is smaller than the diameter of the driven gear, and the groove is arranged at a central position on the upper surface of the base.

[0011] Preferably, a buffer assembly is provided on the base, and the buffer assembly includes a sliding rod, the sliding rod is slidably connected to the upper surface of the base, the top of the sliding rod is fixedly connected to a limiting block, and the bottom of the limiting block is provided with a spring.

[0012] Preferably, one end of the spring is fixedly connected to the lower surface of the limiting block, the other end of the spring is fixedly connected to the upper surface of the base, and the sliding rod is symmetrically arranged on the upper surface of the base.

[0013] Preferably, a locking assembly is provided on the base, a locking hole is provided in a circumferential array on the surface of the handwheel, a locking hole is also provided on a side of the base close to the handwheel, and a locking rod is inserted into the locking hole.

[0014] Preferably, an armrest is provided on one side of the base, the universal wheel is configured as a self-locking universal wheel, and an anti-slip groove is provided on the upper surface of the lifting platform.

[0015] Preferably, the upper surface of the base is symmetrically provided with limiting grooves, and the sliding frame is slidably connected in the limiting grooves.

[0016] Beneficial Effects

[0017] The utility model provides a shaking lifting mechanism, which has at least the following beneficial effects compared with the prior art:

[0018] The handwheel drives the driving gear to rotate, and the rotation of the driving gear drives the driven gear to rotate, so that the rotation of the driven gear drives the two-way screw to rotate, and then the slider moves along the groove, and the lifting platform is raised and lowered by the movement of the slider. The handwheel is set on the base and will not move with the lifting platform; the driving gear and the driven gear are set to transmit the power, which is more labor-saving and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2It is a structural schematic diagram of the bottom of the base of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the buffer component of the utility model;

[0022] Figure 4 It is an enlarged schematic diagram of the structure at point A of the utility model.

[0023] In the figure: 1. base; 2. universal wheel; 3. sliding frame; 4. scissor frame; 5. connecting frame; 6. lifting platform; 7. shaking lifting assembly; 701. fixing block; 702. hand wheel; 703. groove; 704. driving gear; 705. driven gear; 706. bidirectional screw rod; 707. slider; 8. buffer assembly; 801. sliding rod; 802. limit block; 803. spring; 9. locking assembly; 901. locking hole; 902. locking rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1:

[0026] See also Figure 1-4 The utility model provides a technical solution: a base 1, a universal wheel 2 is symmetrically arranged at the bottom of the base 1, a sliding frame 3 is slidably connected to the base 1, a scissor frame 4 is rotatably connected to the sliding frame 3, a connecting frame 5 is rotatably connected to the scissor frame 4, a lifting platform 6 is arranged on the connecting frame 5, two groups of connecting frames 5 are arranged, one group of connecting frames 5 is slidably connected to the bottom of the lifting platform 6, and the other group of connecting frames 5 is fixedly connected to the bottom of the lifting platform 6, and a shaking lifting component 7 is arranged on the base 1;

[0027] The shaking lifting assembly 7 includes a fixed block 701, which is fixedly connected to the upper surface of the base 1, and a hand wheel 702 is rotatably connected to the fixed block 701. A groove 703 is provided on the upper surface of the base 1, and a bidirectional screw rod 706 is rotatably connected in the groove 703. A slider 707 is symmetrically arranged in the groove 703, and the bidirectional screw rod 706 is threadedly connected to the slider 707. A driving gear 704 is fixedly connected to one side of the hand wheel 702, and a driven gear 705 is fixedly connected to the surface of the bidirectional screw rod 706. The driving gear 704 and the driven gear 705 are meshed, and the sliding frame 3 is rotatably connected to the slider 707. The upper surface of the base 1 is symmetrically provided with a limiting groove, and the sliding frame 3 is slidably connected in the limiting groove.

[0028] Analysis of the above content: the base 1 is moved to the desired position through the universal wheel 2, and the hand wheel 702 is rotated to drive the driving gear 704 to rotate, and the rotation of the driving gear 704 drives the driven gear 705 to rotate, thereby mobilizing the two-way screw rod 706 to rotate, so that the slider 707 slides along the groove 703, and the lifting platform 6 is raised and lowered by the movement of the slider 707.

[0029] Embodiment 2:

[0030] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: the diameter of the hand wheel 702 is larger than the diameter of the driving gear 704, the diameter of the driving gear 704 is smaller than the diameter of the driven gear 705, and the groove 703 is arranged at the center of the upper surface of the base 1.

[0031] Analysis of the above content: the diameter of the driving gear 704 is smaller than that of the driven gear 705, which is more labor-saving, and the diameter of the handwheel 702 is larger than that of the driving gear 704. Through the principle of leverage, the force required to rotate the driving gear 704 is reduced.

[0032] Embodiment three:

[0033] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: a buffer assembly 8 is arranged on the base 1, and the buffer assembly 8 includes a sliding rod 801, the sliding rod 801 is slidably connected to the upper surface of the base 1, the top of the sliding rod 801 is fixedly connected to the limiting block 802, and the bottom of the limiting block 802 is provided with a spring 803.

[0034] Analysis of the above content: Under the action of the spring 803, the limit block 802 moves upward, and when the lifting platform 6 is lowered, the spring 803 is squeezed to buffer the downward pressure of the lifting platform 6 through the spring 803.

[0035] Embodiment 4:

[0036] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: one end of the spring 803 is fixedly connected to the lower surface of the limit block 802, the other end of the spring 803 is fixedly connected to the upper surface of the base 1, and the sliding rod 801 is symmetrically arranged on the upper surface of the base 1.

[0037] Analysis of the above content: The lifting platform 6 is slowly lowered by the action of the spring 803, and the parts on the lifting platform 6 are buffered to avoid damage to the parts caused by a fast descending speed.

[0038] Embodiment five:

[0039] See also Figure 1-4The utility model provides a technical solution based on the first embodiment: a locking assembly 9 is provided on the base 1, a locking hole 901 is arranged in a circular array on the surface of the hand wheel 702, a locking hole 901 is also provided on the side of the base 1 close to the hand wheel 702, and a locking rod 902 is inserted into the locking hole 901.

[0040] Analysis of the above content: By inserting the locking rod 902 into the locking hole 901, the hand wheel 702 is locked with the base 1 to avoid accidental touch and improve safety.

[0041] Embodiment six:

[0042] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: a handrail is arranged on one side of the base 1, the universal wheel 2 is arranged as a self-locking universal wheel, and an anti-slip groove is arranged on the upper surface of the lifting platform 6.

[0043] Analysis of the above content: handrails are provided to facilitate the movement of the base 1, and anti-slip grooves are provided to prevent parts on the lifting platform 6 from falling during lifting, thereby improving safety.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shaking lifting mechanism, characterized in that: include: A base (1), wherein the bottom of the base (1) is symmetrically provided with universal wheels (2), the base (1) is slidably connected with a sliding frame (3), the sliding frame (3) is rotatably connected with a scissor frame (4), the scissor frame (4) is rotatably connected with a connecting frame (5), a lifting platform (6) is provided on the connecting frame (5), the connecting frame (5) is provided with two groups, one group of the connecting frames (5) is slidably connected to the bottom of the lifting platform (6), and the other group of the connecting frames (5) is fixedly connected to the bottom of the lifting platform (6), and a shaking lifting component (7) is provided on the base (1); The rocking and lifting assembly (7) comprises a fixed block (701), wherein the fixed block (701) is fixedly connected to the upper surface of the base (1), a hand wheel (702) is rotatably connected to the fixed block (701), a groove (703) is provided on the upper surface of the base (1), a bidirectional screw rod (706) is rotatably connected in the groove (703), a slider (707) is symmetrically arranged in the groove (703), the bidirectional screw rod (706) and the slider (707) are threadedly connected, a driving gear (704) is fixedly connected to one side of the hand wheel (702), a driven gear (705) is fixedly connected to the surface of the bidirectional screw rod (706), the driving gear (704) and the driven gear (705) are meshed, and the sliding frame (3) is rotatably connected to the slider (707).

2. The shaking lifting mechanism according to claim 1, characterized in that: The diameter of the hand wheel (702) is greater than the diameter of the driving gear (704), the diameter of the driving gear (704) is smaller than the diameter of the driven gear (705), and the groove (703) is arranged at a central position on the upper surface of the base (1).

3. The rocking lifting mechanism according to claim 1, characterized in that: A buffer assembly (8) is provided on the base (1), and the buffer assembly (8) comprises a sliding rod (801), the sliding rod (801) is slidably connected to the upper surface of the base (1), the top of the sliding rod (801) is fixedly connected to a limit block (802), and the bottom of the limit block (802) is provided with a spring (803).

4. The rocking lifting mechanism according to claim 3, characterized in that: One end of the spring (803) is fixedly connected to the lower surface of the limit block (802), and the other end of the spring (803) is fixedly connected to the upper surface of the base (1). The sliding rod (801) is symmetrically arranged on the upper surface of the base (1).

5. The shaking lifting mechanism according to claim 1, characterized in that: The base (1) is provided with a locking assembly (9), the surface of the hand wheel (702) is provided with locking holes (901) in a circumferential array, and a locking hole (901) is also provided on a side of the base (1) close to the hand wheel (702), and a locking rod (902) is inserted into the locking hole (901).

6. The shaking lifting mechanism according to claim 1, characterized in that: A handrail is provided on one side of the base (1); the universal wheel (2) is provided as a universal wheel with a brake; and an anti-slip groove is provided on the upper surface of the lifting platform (6).

7. The shaking lifting mechanism according to claim 1, characterized in that: The upper surface of the base (1) is symmetrically provided with limiting grooves, and the sliding frame (3) is slidably connected in the limiting grooves.

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