Low-vibration driving device and lifting table

Abstract

The utility model belongs to the technical field of lifting table driving devices, and particularly relates to a low-vibration driving device and a lifting table, and the low-vibration driving device comprises a driving shell, a driving motor and a driving shaft, the driving seat is arranged in the driving shell, a driving shaft is inserted into the driving seat, one end of the driving shaft is sleeved with a driving piece, and the driving piece is connected with the driving motor; a plurality of inserting holes are formed in the driving base, inserting pins are arranged in the inserting holes, the inserting pins are connected to the bottom wall of the driving shell, damping parts are arranged on the inserting pins, and the damping parts are attached to the inserting holes; the driving base is connected in the driving shell through the inserting pin, the damping piece is arranged on the inserting pin, displacement of the driving base in the horizontal direction can be achieved, the radial position of the driving base can be effectively and finely adjusted, the coaxiality of the driving shaft and the nut piece is guaranteed, the friction force of the driving shaft and the nut piece is reduced, and therefore the load of the driving motor is reduced; the overall stability of the driving device is improved, and the service life of the driving device is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting table driving devices, and in particular relates to a low-vibration driving device and a lifting table. Background Art

[0002] A lift table, also known as a study table or a lift desk, can adjust the height of the desktop to meet the needs of people of different heights to alternate between standing and sitting. An existing lift table usually includes a desktop and two legs. A driving device is set at the bottom of the desktop, and the moving end of the driving device is connected to the table legs to complete the lifting and lowering of the desktop in sequence.

[0003] Existing drive devices are usually based on the principle of a screw nut, in which a drive motor drives the screw to rotate to control the lifting and lowering of the nut; however, since the drive shaft is long and the coaxiality between the bearing seat of the drive shaft and the drive seat is poor, when the drive shaft rotates, the friction between the nut and the nut is large, which increases the load on the drive motor, increases the power consumption of the drive motor, and increases the vibration and noise of the drive motor, which has a certain impact on the life of the drive motor.

[0004] Therefore, how to prevent the driving motor of the lifting table from vibrating during the lifting process is a technical problem that urgently needs to be solved in this field. Utility Model Content

[0005] The purpose of the utility model is to provide a low-vibration driving device and a lifting table.

[0006] In order to solve the above technical problems, the utility model provides a low-vibration driving device including: a driving shell, in which a driving motor is arranged; a driving seat, which is arranged in the driving shell and in which a driving shaft is inserted, and one end of the driving shaft is sleeved with a driving member, and the driving member is connected to the driving motor; and a plurality of plug holes are opened on the driving seat, in which plug pins are arranged, the plug pins are connected to the bottom wall of the driving shell, and a shock absorbing member is arranged on the plug pin, and the shock absorbing member fits the plug hole.

[0007] Preferably, the shock absorbing member comprises a shock absorbing ring, which is sleeved on the side wall of the plug pin, and two ends of the shock absorbing ring are respectively fitted on the head of the plug pin and the bottom wall of the drive housing.

[0008] Preferably, the shock-absorbing ring is made of elastic material.

[0009] Preferably, a side wall of the shock absorbing ring is provided with an annular shock absorbing groove, the plug-in hole is arranged in the shock absorbing groove, and the top and the bottom of the shock absorbing groove are respectively fitted with the driving seat.

[0010] Preferably, a shock-absorbing gap is provided between the side wall of the shock-absorbing groove and the side wall of the plug-in hole.

[0011] Preferably, the drive seat includes a base body and an intermediate cover; the plug-in hole is opened on the base body, a bearing chamber is provided on the base body, a rotating bearing is provided in the bearing chamber, an intermediate block is integrally provided at the bottom of the intermediate cover, the intermediate block is pressed into the outer ring of the rotating bearing, and the drive shaft is inserted into the rotating bearing.

[0012] Preferably, the interior of the middle cover is hollow, the drive shaft extends into the middle cover, and the drive member is installed at the extending end of the drive shaft.

[0013] Preferably, the driving member is a driving gear, and the driving gear is sleeved on the extending end of the driving shaft.

[0014] Preferably, the top of the middle cover is covered with an upper cover, and the upper cover and the middle cover are fixed to the base body by bolts.

[0015] The utility model also provides a lifting table, comprising: a tabletop and a support leg arranged below the tabletop, the support leg being provided with a nut, and also comprising the above-mentioned low-vibration driving device; wherein

[0016] The driving housing is installed at the bottom of the table top, the driving shaft is inserted into the supporting feet, and the driving shaft is threadedly connected with the nut member.

[0017] The beneficial effects of the utility model are:

[0018] 1. The drive shaft integrated in the drive housing and the drive motor are connected through a drive member to realize the rotation of the drive shaft;

[0019] 2. The drive seat is connected to the drive housing through a plug pin, and a shock-absorbing member is provided on the plug pin, which can realize the horizontal displacement of the drive seat, effectively fine-tune the drive seat and the radial position, ensure the coaxiality of the drive shaft and the nut, reduce the friction between the drive shaft and the nut, thereby reducing the load of the drive motor, reducing the vibration and noise of the drive motor, and improving the overall stability and life of the drive device.

[0020] 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.

[0021] 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

[0022] 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.

[0023] Figure 1 It is a stereogram of a preferred embodiment of the driving device of the utility model;

[0024] Figure 2 It is an exploded view of a preferred embodiment of the driving device of the utility model;

[0025] Figure 3 It is a cross-sectional view of a preferred embodiment of the drive device of the utility model.

[0026] In the figure:

[0027] 100. driving housing; 101. driving motor;

[0028] 200, driving seat; 201, plug hole; 202, plug pin; 203, shock absorbing member; 2031, shock absorbing ring; 2032, shock absorbing groove; 2033, shock absorbing gap; 204, base body; 2041, bearing chamber; 205, middle cover; 2051, middle block; 206, rotating bearing; 207, upper cover;

[0029] 300, drive shaft;

[0030] 400, driving member; 401, driving gear. DETAILED DESCRIPTION

[0031] 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.

[0032] like Figures 1 to 3As shown in the figure, at least one embodiment provides a low-vibration drive device, which includes: a drive housing, in which a drive motor is arranged; a drive seat, which is arranged in the drive housing and in which a drive shaft is inserted, and one end of the drive shaft is sleeved with a drive member, and the drive member is connected to the drive motor; and a plurality of plug holes are opened on the drive seat, and plug pins are arranged in the plug holes, and the plug pins are connected to the bottom wall of the drive housing, and a shock-absorbing member is arranged on the plug pin, and the shock-absorbing member fits the plug holes; in short, the drive shaft and the drive motor integrated in the drive housing are connected through the drive member to realize the rotation of the drive shaft; further, the drive seat is connected to the drive housing through the plug pin, and a shock-absorbing member is arranged on the plug pin, which can realize the horizontal displacement of the drive seat, effectively fine-tune the drive seat and the radial position, ensure the coaxiality of the drive shaft and the nut member, reduce the friction between the drive shaft and the nut member, thereby reducing the load of the drive motor, reducing the vibration and noise of the drive motor, and improving the overall stability and life of the drive device.

[0033] In some embodiments, the shock absorbing member includes a shock absorbing ring, which is sleeved on the side wall of the plug pin, and the two ends of the shock absorbing ring are respectively in contact with the head of the plug pin and the bottom wall of the drive housing; in short, the shock absorbing ring supports the plug pin and the drive housing, can reduce the axial vibration of the plug pin, and can cause the drive seat to displace in the horizontal direction.

[0034] In some embodiments, the shock absorbing ring is made of elastic material; in short, the elastic shock absorbing ring can absorb vibration through elastic deformation, which is simple and reliable.

[0035] In some embodiments, the side wall of the shock absorbing ring is provided with an annular shock absorbing groove, the plug-in hole is arranged in the shock absorbing groove, and the top and bottom of the shock absorbing groove are respectively fitted with the driving seat; in short, by installing the plug-in hole in the shock absorbing groove, the vibration generated by the driving seat can be further absorbed when the vertical position of the driving seat is limited.

[0036] In some embodiments, a shock-absorbing gap is provided between the side wall of the shock-absorbing groove and the side wall of the plug-in hole; in short, by providing the shock-absorbing gap, the drive seat can be translated left and right within the shock-absorbing gap, while preventing the drive seat from moving too much, and the structure is simple and reliable.

[0037] In some embodiments, the drive seat includes a base body and an intermediate cover; the plug-in hole is opened on the base body, a bearing chamber is provided on the base body, a rotating bearing is provided in the bearing chamber, an intermediate block is integrally provided at the bottom of the intermediate cover, the intermediate block is pressed into the outer ring of the rotating bearing, and the drive shaft is inserted into the rotating bearing; in short, the installation of the rotating bearing can be completed through the bearing chamber, and the outer ring of the rotating bearing can be limited in cooperation with the intermediate block to realize the rotation of the drive shaft.

[0038] In some embodiments, the interior of the middle cover is hollow, the drive shaft extends into the middle cover, and the drive member is installed at the extending end of the drive shaft; in short, by setting the interior of the middle cover to be hollow, the drive member can be accommodated and effectively protected.

[0039] In some embodiments, the driving member is a driving gear, which is sleeved on the extending end of the driving shaft; in short, the driving motor is directly installed on the side wall of the middle cover, and the driving motor is sleeved with a gear that meshes with the driving gear, so that the driving motor can drive the driving shaft to rotate, and the structure is simple and reliable.

[0040] In some embodiments, the top of the middle cover is covered with an upper cover, and the upper cover and the middle cover are fixed to the base body by bolts; in short, by covering the middle cover with an upper cover, the driving gear can be effectively protected, and the structure is simple and reliable.

[0041] At least one embodiment also provides a lifting table, comprising: a table top and a support leg arranged under the table top, a nut member being arranged on the support leg, and also comprising the above-mentioned low-vibration drive device; wherein the drive housing is installed at the bottom of the table top, the drive shaft is inserted into the support leg, and the drive shaft is threadedly connected to the nut member.

[0042] 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.

[0043] 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.

[0044] 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 low vibration driving device, characterized in that: include: A drive housing (100), wherein a drive motor (101) is disposed in the drive housing (100); A drive seat (200) is arranged in the drive housing (100) and has a drive shaft (300) inserted therein, one end of the drive shaft (300) is sleeved with a drive member (400), and the drive member (400) is connected to the drive motor (101); and a plurality of plug holes (201) are provided on the drive seat (200), plug pins (202) are provided in the plug holes (201), the plug pins (202) are connected to the bottom wall of the drive housing (100), and a shock absorbing member (203) is provided on the plug pin (202), and the shock absorbing member (203) fits the plug holes (201).

2. The low vibration driving device according to claim 1, characterized in that: The shock absorbing member (203) comprises a shock absorbing ring (2031), the shock absorbing ring (2031) being sleeved on the side wall of the plug pin (202), and the two ends of the shock absorbing ring (2031) respectively fitting the head of the plug pin (202) and the bottom wall of the drive housing (100).

3. The low vibration driving device according to claim 2, characterized in that: The shock-absorbing ring (2031) is made of elastic material.

4. The low vibration driving device according to claim 3, characterized in that: The side wall of the shock absorbing ring (2031) is provided with an annular shock absorbing groove (2032), the plug hole (201) is clamped in the shock absorbing groove (2032), and the top and bottom of the shock absorbing groove (2032) are respectively fitted to the driving seat (200).

5. The low vibration driving device according to claim 4, characterized in that: A shock-absorbing gap (2033) is provided between the side wall of the shock-absorbing groove (2032) and the side wall of the plug hole (201).

6. The low vibration driving device according to claim 1, characterized in that: The driving seat (200) comprises a base body (204) and a middle cover (205); The plug hole (201) is provided on the base body (204); a bearing chamber (2041) is provided on the base body (204); a rotating bearing (206) is provided in the bearing chamber (2041); an intermediate block (2051) is integrally provided at the bottom of the intermediate cover (205); the intermediate block (2051) is pressed against the outer ring of the rotating bearing (206); and The drive shaft (300) is inserted into the rotary bearing (206).

7. The low vibration driving device according to claim 6, characterized in that: The interior of the middle cover (205) is hollow, the drive shaft (300) extends into the middle cover (205), and the drive member (400) is mounted on the extending end of the drive shaft (300).

8. The low vibration driving device according to claim 7, characterized in that: The driving member (400) is a driving gear (401), and the driving gear (401) is sleeved on the protruding end of the driving shaft (300).

9. The low vibration driving device according to claim 8, characterized in that: The top of the middle cover (205) is covered with an upper cover (207), and the upper cover (207) and the middle cover (205) are fixed to the base body (204) by bolts.

10. A lifting table, comprising: A desktop and a support leg arranged under the desktop, wherein a nut is arranged on the support leg, characterized in that it also includes a low-vibration drive device as described in any one of claims 1 to 9; wherein The drive housing (100) is installed at the bottom of the tabletop, the drive shaft (300) is inserted into the support foot, and the drive shaft (300) is threadedly connected to a nut member.

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