Driving mechanism and lifting table

Abstract

The utility model belongs to the technical field of lifting tables, and particularly relates to a driving mechanism and a lifting table, the driving mechanism comprises a shell, a driving motor is arranged in the shell, the side wall of the shell extends to form a connecting block, the connecting block is provided with a connecting hole, the connecting block is sleeved with a damping sleeve, and the damping sleeve is connected with the driving motor. A matching hole is formed in the damping sleeve, and the connecting hole and the matching hole are coaxially arranged; the bottom of the mounting beam extends inwards to form a connecting beam, the connecting beam is connected with the connecting hole through a bolt and a nut, and the bolt penetrates through the vibration reduction sleeve; in short, the shell is connected with the cross beam through the mounting beam, so that direct connection between the shell and the cross beam is avoided; furthermore, a vibration reduction sleeve is arranged on the connecting block in a sleeving mode, buffering is conducted between the connecting beam and the connecting block through the vibration reduction sleeve, and therefore vibration generated by the driving motor is absorbed.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting tables, and in particular relates to a driving mechanism and a lifting table. Background Art

[0002] After humans began walking upright, they found that sitting down helped to reduce fatigue in their daily activities. However, as people spent more and more time sitting at work, they began to try to alternate between sitting and standing, and gradually, height-adjustable desks appeared.

[0003] The existing lifting table includes a beam and lifting legs. The lifting and lowering of the beam is controlled by installing a driving mechanism on the beam to control the extension and retraction of the lifting legs. However, the existing driving mechanism usually includes a shell and a driving shaft directly installed on the beam, and a motor is installed in the shell. The torque of the motor is transmitted to the driving shaft through a reversing mechanism to drive the lifting legs. However, the motor is prone to vibration when working. This vibration will be directly transmitted to the beam, so that the fasteners on the beam will loosen, which may cause the table to fall apart.

[0004] Therefore, how to prevent the table from falling apart is a technical problem that needs to be solved urgently in this field. Utility Model Content

[0005] The purpose of the utility model is to provide a driving mechanism and a lifting table.

[0006] In order to solve the above technical problems, the utility model provides a driving mechanism, including: a shell, in which a driving motor is installed, a connecting block is extended from the side wall of the shell, a connecting hole is opened on the connecting block, a vibration damping sleeve is sleeved on the connecting block, a matching hole is opened on the vibration damping sleeve, and the connecting hole and the matching hole are coaxially arranged; a mounting beam, a connecting beam is extended inward from the bottom of the mounting beam, wherein the connecting beam is connected to the connecting hole by bolts and nuts, and the bolts pass through the vibration damping sleeve.

[0007] Preferably, the inner wall of the vibration-damping sleeve fits the surface of the connecting beam.

[0008] Preferably, the end of the connecting beam is arranged in an arc shape; the end of the vibration-damping sleeve is arranged in an arc shape, and the arc-shaped end of the vibration-damping sleeve is arranged in an open shape, so that the arc-shaped end of the connecting beam extends out of the vibration-damping sleeve.

[0009] Preferably, the mounting beam is "L"-shaped, and the angle between the mounting beam and the connecting beam is 90°.

[0010] Preferably, a pair of supporting members are provided on the side walls of the housing, a passive shaft is inserted into the supporting members, two ends of the passive shaft extend out of the housing, and the passive shaft is polygonal.

[0011] Preferably, a driving motor is installed at the bottom of the housing, the output shaft of the driving motor is inserted into the housing, and a first gear pair is plugged into the output shaft of the driving motor; a second gear pair is plugged into the passive shaft, and the second gear pair is connected to the first gear pair.

[0012] Preferably, the end of the passive shaft is connected to a connecting piece, a connecting tube is sleeved on the connecting piece, an adjusting piece is inserted at the other end of the connecting tube, an extension shaft is inserted on the adjusting piece, wherein a plurality of driving edges are provided on the inner wall of the connecting tube, and driving grooves suitable for clamping the driving edges are opened on the side walls of the connecting piece and the adjusting piece.

[0013] Preferably, an elastic block is arranged at the end array of the connecting tube, and a locking nut is threadedly connected to the elastic block.

[0014] The utility model also provides a lifting table, comprising a crossbeam and the above-mentioned driving mechanism; the mounting beam is connected to the side wall of the crossbeam by bolts.

[0015] The beneficial effects of the utility model are:

[0016] The outer shell and the cross beam are connected by installing the beam to avoid direct connection between the outer shell and the cross beam; further, a vibration-damping sleeve is mounted on the connecting block, and the connecting beam and the connecting block are buffered by the vibration-damping sleeve, thereby absorbing the vibration generated by the driving motor.

[0017] Other features and advantages of the present invention will be set forth in the following description, and in part will become apparent from the description, or may be understood by implementing the present invention.

[0018] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a three-dimensional diagram of a preferred embodiment of the lifting table of the utility model;

[0021] Figure 2 It is an exploded view of a preferred embodiment of the driving mechanism of the utility model;

[0022] Figure 3 It is an exploded view of a preferred embodiment of the drive mechanism of the utility model.

[0023] In the figure:

[0024] 1. Shell;

[0025] 11. connecting block; 111. connecting hole;

[0026] 12. Vibration damping sleeve; 121. Matching hole;

[0027] 13. Supporting parts;

[0028] 14, passive shaft; 141, second gear pair; 142, connecting piece; 143, connecting tube; 144, adjusting piece; 145, extension shaft; 146, driving edge; 147, driving groove; 148, elastic block; 149, locking nut;

[0029] 15. driving motor; 151. first gear pair;

[0030] 2. Install the beam;

[0031] 21. Connecting beam.

[0032] 3. Beam;

[0033] 4. Lift and lower legs. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0035] like Figures 1 to 3As shown, at least one embodiment provides a driving mechanism, comprising: a shell 1, in which a driving motor 15 is installed, a connecting block 11 is extended from the side wall of the shell 1, a connecting hole 111 is opened on the connecting block 11, a vibration-damping sleeve 12 is sleeved on the connecting block 11, a matching hole 121 is opened on the vibration-damping sleeve 12, and the connecting hole 111 and the matching hole 121 are coaxially arranged; a mounting beam 2, a connecting beam 21 is extended inwardly from the bottom of the mounting beam 2, wherein the connecting beam 21 is connected to the connecting hole 111 by bolts and nuts, and the bolts pass through the vibration-damping sleeve 12; in short, the shell 1 and the beam 3 are connected by the mounting beam 2 to avoid direct connection between the shell 1 and the beam 3; further, a vibration-damping sleeve 12 is sleeved on the connecting block 11, and the vibration-damping sleeve 12 is used to buffer the connecting beam 21 and the connecting block 11, thereby absorbing the vibration generated by the driving motor 15.

[0036] In some embodiments, the inner wall of the vibration damping sleeve 12 fits the surface of the connecting beam 21; in short, a cavity is opened on the side wall of the vibration damping sleeve 12, and the top wall, bottom wall and side wall of the cavity all fit the surface of the connecting beam 21, so that the vibration of the connecting beam 21 can be completely absorbed by the vibration damping sleeve 12.

[0037] In some embodiments, the end of the connecting beam 21 is arranged in an arc shape; the end of the vibration damping sleeve 12 is arranged in an arc shape, and the arc-shaped end of the vibration damping sleeve 12 is arranged in an opening so that the arc-shaped end of the connecting beam 21 extends out of the vibration damping sleeve 12; in short, if the head of the connecting beam 21 is square, it is easy to pierce the vibration damping sleeve 12, and further, the arc-shaped end of the connecting beam 21 extends out of the vibration damping sleeve 12, so that it can be judged by naked eyes whether the vibration damping sleeve 12 is installed in place, thereby improving the vibration damping effect.

[0038] In some embodiments, the mounting beam 2 is "L"-shaped, and the angle between the mounting beam 2 and the connecting beam 21 is 90°; in short, the mounting beam 2 is vertically arranged, and the connecting beam 21 is horizontally arranged, so that the drive motor 15 can be placed vertically, so that the rotor of the drive motor 15 is vertical, reducing the radial force generated by the rotor of the drive motor 15 on the bearing, thereby improving the stability of the rotor of the drive motor 15 and reducing the vibration generated by the drive motor 15.

[0039] In some embodiments, a pair of support members 13 are provided on the side walls of the housing 1, a passive shaft 14 is inserted into the support members 13, both ends of the passive shaft 14 extend out of the housing 1, and the passive shaft 14 is a polygon; in short, the rotation setting of the passive shaft 14 can be completed through the support members 13, and the cross-section of the passive shaft 14 is designed to be a polygon, so that the passive shaft 14 can be driven through the inner hole of the polygon.

[0040] In some embodiments, a driving motor 15 is installed at the bottom of the housing 1, the output shaft of the driving motor 15 is inserted into the housing 1, and a first gear pair 151 is plugged into the output shaft of the driving motor 15; a second gear pair 141 is plugged into the passive shaft 14, and the second gear pair 141 is connected to the first gear pair 151; in short, the torque of the driving motor 15 can be transmitted to the passive shaft 14 through the first gear pair 151 and the second gear pair 141.

[0041] In some embodiments, the end of the passive shaft 14 is connected to a connecting piece 142, a connecting tube 143 is sleeved on the connecting piece 142, an adjusting piece 144 is inserted at the other end of the connecting tube 143, an extension shaft 145 is inserted on the adjusting piece 144, wherein the inner wall of the connecting tube 143 is provided with a plurality of driving edges 146, and the side walls of the connecting piece 142 and the adjusting piece 144 are provided with driving grooves 147 suitable for clamping the driving edges 146; in short, through the cooperation of the driving grooves 147 and the driving edges 146, the torque of the connecting piece 142 can be transferred to the connecting tube 143, and then transferred to the adjusting piece 144 through the connecting tube 143, and finally, by inserting the extension shaft 145 on the adjusting piece 144, the effective length of the passive shaft 14 can be extended, and the lifting legs 4 on both sides can be controlled by a single motor.

[0042] In some embodiments, the end array of the connecting tube 143 is provided with an elastic block 148, and a locking nut 149 is threadedly connected to the elastic block 148; in short, by tightening the locking nut 149, the elastic block 148 can be contracted inward to lock the passive shaft 14 and the extension shaft 145.

[0043] The utility model also provides a lifting table, comprising a crossbeam 3 and the above-mentioned driving mechanism; the mounting beam 2 is connected to the side wall of the crossbeam 3 by bolts.

[0044] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0046] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A driving mechanism, characterized in that: include: A housing (1) having a driving motor (15) installed therein; a connecting block (11) extending from a side wall of the housing (1); a connecting hole (111) being formed on the connecting block (11); a vibration-damping sleeve (12) being sleeved on the connecting block (11); a matching hole (121) being formed on the vibration-damping sleeve (12); and the connecting hole (111) and the matching hole (121) being coaxially arranged; A mounting beam (2) is provided, wherein a connecting beam (21) extends inwardly from the bottom of the mounting beam (2), wherein The connection beam (21) is connected to the connection hole (111) via a bolt and a nut, and the bolt passes through the vibration-damping sleeve (12).

2. The driving mechanism according to claim 1, characterized in that: The inner wall of the vibration-damping sleeve (12) fits the surface of the connecting beam (21).

3. The driving mechanism according to claim 1, characterized in that: The end of the connecting beam (21) is arranged in an arc shape; The end of the vibration-damping sleeve (12) is arranged in an arc shape, and the arc-shaped end of the vibration-damping sleeve (12) is arranged to be open, so that the arc-shaped end of the connecting beam (21) extends out of the vibration-damping sleeve (12).

4. The driving mechanism according to claim 1, characterized in that: The mounting beam (2) is in an "L" shape, and the angle between the mounting beam (2) and the connecting beam (21) is 90°.

5. The driving mechanism according to claim 1, characterized in that: A pair of support members (13) are provided on the side walls of the housing (1), a passive shaft (14) is inserted into the support members (13), two ends of the passive shaft (14) extend out of the housing (1), and the passive shaft (14) is polygonal.

6. The driving mechanism according to claim 5, characterized in that: A drive motor (15) is installed at the bottom of the housing (1), an output shaft of the drive motor (15) is inserted into the housing (1), and a first gear pair (151) is plugged onto the output shaft of the drive motor (15); A second gear pair (141) is plugged into the driven shaft (14), and the second gear pair (141) is connected to the first gear pair (151).

7. The driving mechanism according to claim 5, characterized in that: The end of the passive shaft (14) is connected to a connecting piece (142), a connecting tube (143) is sleeved on the connecting piece (142), an adjusting piece (144) is plugged into the other end of the connecting tube (143), and an extension shaft (145) is plugged into the adjusting piece (144), wherein The inner wall of the connecting tube (143) is provided with a plurality of driving edges (146), and the side walls of the connecting member (142) and the adjusting member (144) are provided with driving grooves (147) suitable for clamping the driving edges (146).

8. The driving mechanism according to claim 7, characterized in that: An elastic block (148) is arranged in an array at the end of the connecting cylinder (143), and a locking nut (149) is threadedly connected to the elastic block (148).

9. A lifting table, comprising a crossbeam (3), characterized in that: Also includes a driving mechanism as described in any one of claims 1-8; The mounting beam (2) is connected to the side wall of the cross beam (3) by means of bolts.

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