CN220631402U - Hidden drive mounting structure - Google Patents

Abstract

The utility model relates to the technical field of lifting tables, in particular to a hidden driving installation structure, which comprises the following components: the support box body is provided with an upper opening and a lower opening, and an accommodating cavity is formed in the support box body; the lifting stand column comprises an outer pipe, an inner pipe sleeved in the outer pipe and a transmission assembly for driving the outer pipe and the inner pipe to move relatively, and a lower opening of the supporting box body is connected with the top of the outer pipe; the driving mechanism is arranged in the accommodating cavity and connected with the transmission assembly and used for driving the lifting upright post to ascend and descend; the table plate is fixed on the upper opening of the supporting box body. According to the utility model, the lifting upright post is driven by the driving mechanism to drive the table plate to ascend and descend, the driving mechanism is arranged in the accommodating cavity of the supporting box body and is connected with the top end of the outer tube of the lifting upright post, and the driving mechanism is arranged at the position of the table corner, so that the movable space of the leg below the table plate is increased.

Description

Hidden drive mounting structure

Technical Field

The utility model relates to the technical field of lifting tables, in particular to a hidden driving installation structure.

Background

With the development of society and the progress of science and technology, students can sit for a long time with office workers, and the health of the spine and the lumbar vertebrae is affected. The hidden drive mounting structure's appearance has changed the fixed unchangeable problem of desk height, drives the table leg through the motor and goes up and down, makes the desktop reach required arbitrary height, when needs stand office, adjusts the desktop height and rises, when needs sit office down, descends the desktop height, reduces the injury of sitting for a long time to the health.

In the prior art, as shown in fig. 1, as in chinese patent application publication No. CN217592283U, for example, in 2022, the fixing part of the lifting table and the lifting support frame on the 04 th month are disclosed, and the lifting of the lifting column is driven by the fixing motor to change the distance between the upper support frame and the support leg.

However, when implementing the above scheme, the inventor finds that the lifting support frame realizes the lifting of the support legs through a fixed motor arranged on a middle cross beam of two support legs and a coupler connected with the fixed motor and parallel to the cross beam, wherein the fixed motor and the coupler are arranged on the cross beam below the tabletop, occupy the space below the tabletop, and influence the safe and free movement of the legs.

Disclosure of Invention

In view of at least one of the above technical problems, the present utility model provides a hidden driving installation structure, which adopts an improvement of a motor driving mode to increase the activity space of legs.

According to a first aspect of the present utility model, there is provided a hidden drive mounting structure comprising:

the support box body is provided with an upper opening and a lower opening, and an accommodating cavity is formed in the support box body;

the lifting stand column comprises an outer pipe, an inner pipe sleeved in the outer pipe and a transmission assembly used for driving the outer pipe and the inner pipe to move relatively, and the lower opening of the supporting box body is connected with the top of the outer pipe;

the driving mechanism is arranged in the accommodating cavity, is connected with the transmission assembly and is used for driving the lifting upright post to ascend and descend;

the table plate is fixed on the upper opening of the supporting box body.

In some embodiments of the utility model, the upper opening area of the support box is larger than the lower opening area, the lower opening protrudes from the bottom of the support box, and the size of the lower opening is adapted to the size of the outer tube.

In some embodiments of the present utility model, the inside of the accommodating chamber is further provided with a supporting rib, the supporting ribs are arranged in a transverse-vertical crossing manner, and the supporting rib is fixedly connected with the lower surface and the side surface of the supporting box body.

In some embodiments of the utility model, the supporting box body further has two connecting cavities, and the two connecting cavities are disposed on two sides of the supporting box body near the edge of the table board.

In some embodiments of the present utility model, the upper opening of the supporting box body is further provided with an everting fixing ear, which is used for being connected with the desk plate.

In some embodiments of the utility model, the cross section of the lifting column is quadrilateral or circular.

In some embodiments of the utility model, the drive mechanism comprises a motor and a worm connected to the motor, and the transmission assembly has a worm gear thereon that meshes with the worm.

In some embodiments of the present utility model, a connection frame is further provided, and the connection frame is disposed parallel to the table board and fixedly connected to the support box.

In some embodiments of the present utility model, the connection frame includes an inner frame and an outer frame sleeved on the inner frame, the inner frame and the outer frame are hollow tubes, two ends of the outer frame are shorter than the inner frame, a support bar abutted against the inner frame is further provided inside the outer frame, and the inner frame extends into the connection cavity and is fixedly connected with the connection cavity.

In some embodiments of the present utility model, the support case further has a cover plate, the cover plate has the same shape as the upper opening, and the cover plate is fixedly connected with the upper opening.

The beneficial effects of the utility model are as follows: according to the utility model, the lifting upright post is driven by the driving mechanism to drive the table plate to ascend and descend, the driving mechanism is arranged in the accommodating cavity of the supporting box body and is connected with the top end of the outer tube of the lifting upright post, so that the driving mechanism is arranged at the position of the table corner, and the movable space of the leg below the table plate is further increased.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a schematic view of a lifting table fixing member and a lifting support frame in the prior art according to the background of the utility model;

FIG. 2 is a schematic diagram of an explosion structure of a hidden driving installation structure according to an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of the portion A of FIG. 2 in accordance with an embodiment of the present utility model;

FIG. 4 is a schematic view of a lifting column according to an embodiment of the present utility model;

FIG. 5 is a cross-sectional view of B-B of FIG. 4 in an embodiment of the utility model;

FIG. 6 is a schematic view showing an internal structure of a supporting case according to an embodiment of the present utility model;

FIG. 7 is a top view of a support case according to an embodiment of the present utility model;

FIG. 8 is a schematic structural view of a quadrangular lifting column according to an embodiment of the present utility model;

FIG. 9 is a schematic view of a circular lifting column according to an embodiment of the present utility model;

FIG. 10 is a schematic diagram of a driving mechanism according to an embodiment of the present utility model;

FIG. 11 is a schematic diagram illustrating the positions of the connection frame and the hidden driving structure according to an embodiment of the present utility model;

FIG. 12 is a schematic view of a connection frame according to an embodiment of the present utility model;

FIG. 13 is a cross-sectional view of C-C of FIG. 12 in an embodiment of the utility model;

fig. 14 is a schematic structural view of a cover plate according to an embodiment of the utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Fig. 1 is an electric lifting table in the prior art, and a driving mechanism drives screw rods at two ends to drive supporting legs to ascend and descend, wherein the driving mechanism is arranged on a cross beam, the screw rods are parallel to the cross beam, and the screw rods and the cross beam are arranged outside, so that danger can occur due to careless touch in the use process, and the installation position occupies the movable space of the legs. Accordingly, the inventors have improved the driving manner of the driving mechanism and the position of the driving mechanism.

The hidden drive mounting structure as shown in fig. 2 to 14 includes: the lifting device comprises a supporting box body 1, a lifting upright post 2, a driving mechanism 3 and a table plate 4.

The support box 1 has an upper opening 11 and a lower opening 12, and the support box 1 has a housing chamber 13 therein. As shown in fig. 2 and 3, in order to increase the leg movement space under the table 4, the inventor has changed the driving mode in the present utility model, and has set the single driving mechanism 3 to control the lifting and lowering of the single lifting column 2, and the single driving mechanism 3 can be set at the position of the table corner. It should be noted here that the number of supporting boxes 1 is at least one, and the number of supporting boxes 1 is the same as the number of lifting columns 2.

The lifting column 2 comprises an outer tube 21, an inner tube 22 sleeved in the outer tube 21 and a transmission assembly 23 used for driving the outer tube 21 and the inner tube 22 to move relatively, and the lower opening 12 of the supporting box body 1 is connected with the top of the outer tube 21. As shown in fig. 4 and 5, the bottom end of the inner tube 22 of the lifting column 2 is in contact with the ground, wherein the inner diameter of the outer tube 21 is slightly larger than the outer diameter of the inner tube 22, the inner tube and the outer tube are connected through a transmission assembly 23, the outer tube 21 is relatively moved on the inner tube 22 by the rotation of the transmission assembly 23, as shown in fig. 2, the lower opening 12 of the supporting box body 1 is connected with the top of the outer tube 21 of the lifting column 2, and one end of the transmission assembly 23 penetrates through the lower opening 12 of the supporting box body 1 and enters the accommodating chamber 13. It should be noted here that the cross-sectional area of the lifting column 2 has various shapes, which may be quadrangular, circular or other. It should be noted that the number of the lifting columns 2 is not limited in the embodiment of the present utility model, and four-leg lifting tables as shown in fig. 11 may be used, and other numbers of lifting columns 2 may be used, where when the number of the lifting columns 2 is plural, by means of a single driving structure, effects of faster response and more precise control may be achieved.

The driving mechanism 3 is arranged inside the accommodating chamber 13, and the driving mechanism 3 is connected with the transmission assembly 23 and is used for driving the lifting upright post 2 to ascend and descend. As shown in fig. 3, the accommodating chamber 13 is a region between two adjacent sides of the table corner, and one end of the driving mechanism 3 is disposed at the upper end of the lower opening 12 of the supporting box 1 and is connected with the transmission assembly 23 penetrating through the lower opening 12 of the supporting box 1. It should be noted that the driving mechanism 3 may be in various forms, such as a stepping motor 31, a torque motor 31, a servo motor 31, a switched reluctance motor 31, a brushless dc motor 31, and the like. It should be noted that, as shown in fig. 5, the structural form of the transmission assembly 23 may be that the lifting transmission of the lifting upright post 2 is realized by driving a nut seat meshed with the inner tube 22 or the outer tube 21 through rotation of a screw rod, and the lifting upright post 2 driven by the screw rod is in the prior art and will not be described in detail herein.

As shown in fig. 2, the table 4 is fixed to the upper opening 11 of the supporting case 1. It should be noted here that the table 4 may be various shapes, polygonal or circular, or irregular. It should also be noted that the mounting positions of the supporting case 1 and the table 4 may be various, a plurality of mounting positions may be provided at the corners of the table, a mounting position may be provided in the middle of the table 4, or any other mounting position may be provided for supporting the table 4.

As shown in fig. 11, when the hidden driving installation structure in the embodiment of the utility model specifically performs lifting, the button arranged on the table 4 is used for controlling the driving mechanism 3, the driving mechanism 3 drives the transmission component 23 to rotate, so that the height of the lifting upright post 2 is changed, and the height of the table top is adjusted to a position required by a user, and the driving mechanism 3 is hidden in the supporting box body 1, so that the safety is improved, and simultaneously, the attractive appearance and the lower space of the table 4 are also realized.

According to the utility model, the lifting upright post 2 is driven by the driving mechanism 3 to drive the table plate 4 to ascend and descend, the driving mechanism 3 is arranged in the accommodating cavity 13 of the supporting box body 1 and is connected with the top end of the outer tube 21 of the lifting upright post 2, so that the driving mechanism 3 is arranged at the position of a table corner, and the activity space of the leg below the table plate 4 is further increased.

The desk plate 4 is connected with the lifting upright post 2 through the supporting box body 1, so that the desk plate 4 is stably supported, the supporting box body 1 is arranged such that the area of an upper opening 11 is larger than that of a lower opening 12, the lower opening 12 protrudes out of the bottom of the supporting box body 1, and the size of the lower opening 12 is matched with that of the outer tube 21. As shown in fig. 2 and 6, the table 4 is placed on the supporting box 1 and is fixedly connected with the supporting box 1, the weight of the table 4 is applied to the supporting box 1, the lifting upright 2 plays a supporting role on the supporting box 1, the supporting box 1 plays a supporting role on the table 4, the area of the upper opening 11 of the supporting box 1 is set to be larger than the area of the lower opening 12, the lower opening 12 is set to be the size which is suitable for the top opening of the lifting upright 2, and the supporting upright and the supporting box 1 support the table 4 more firmly.

The holding chamber 13 is the cavity, for making holding chamber 13 stable in structure, and bearing performance is stronger, holds the inside supporting rib 14 that still has of chamber 13, and supporting rib 14 is the setting of horizontal and vertical intersection, and supporting rib 14 and the inside lower surface and the side fixed surface of support box body 1 are connected. As shown in fig. 7, the driving mechanism 3 is provided in the housing chamber 13, and the reinforcing ribs are provided in a space other than the driving mechanism 3 according to the position where the driving mechanism 3 is provided, so that the load bearing capacity of the supporting case 1 is made stronger.

To enhance the load-bearing capacity of the receiving chamber 13, the supporting box 1 is further provided with two connecting chambers 15, the two connecting chambers 15 being arranged on both sides of the supporting box 1 near the edge of the table 4. With continued reference to fig. 7, the two connecting cavities 15 are disposed at inner sides of two mutually perpendicular sides of the supporting box body 1, and the inside of the connecting cavity 15 is also provided with supporting ribs 14, which play a further role in reinforcing the supporting box body 1 through the connecting ribs between the outer wall of the connecting cavity 15 and the inside.

In order to fixedly connect the table plate 4 with the supporting box body 1, the upper opening 11 of the supporting box body 1 is also provided with an everting fixing lug 16. With continued reference to fig. 7, in the direction of the supporting case 1 approaching the leg space, there are fixing lugs 16 for fixing the table 4, and holes are formed in the fixing lugs 16, and the table 4 and the supporting case 1 are fixed by the fixing members passing through the holes. It should be noted that the fixing member may be in various forms, such as a bolt, a rivet, or other fixing member capable of fixing both.

The cross section of the lifting upright post 2 is quadrilateral or circular. As shown in fig. 8 and 9, the lifting column 2 is an inner tube 22 and an outer tube 21 which can slide relatively, the cross section area of the inner tube and the outer tube can be in various shapes, in the utility model, the cross section area is provided with a quadrangle or a circle, and each connecting surface of the quadrangle lifting column 2 is also a smooth curved surface, so that damage to a user caused by sharp right angles is avoided.

The lifting table needs to drive the lifting upright post 2 through the driving mechanism 3 in the use process, the driving structure is various, in order to minimize noise in the use process, the driving mechanism 3 is provided with a motor 31 and a structure connected with a worm 32 by the motor 31, and the transmission assembly 23 is further provided with a worm wheel 33 meshed with the worm 32. As shown in fig. 10, the motor 31 drives the worm 32 to rotate, and the worm 32 drives the worm wheel 33 on the transmission assembly 23 to rotate, so as to realize the lifting and lowering of the table 4. And the noise is minimized by the meshing transmission of the worm wheel 33 and the worm 32.

In order to make the bearing performance of the table 4 better, the supporting force of the supporting box body 1 is stronger, as shown in fig. 11, a connecting frame 5 is further arranged below the table 4, and the connecting frame 5 is arranged parallel to the table 4 and fixedly connected with the supporting box body 1. The connecting frame 5 is connected with the supporting box body 1 to form a frame, the table 4 is placed on the frame, the connecting frame 5 and the supporting box body 1 are utilized to support the table 4 together, and the bearing performance of the table 4 is better.

With continued reference to fig. 12 and 13, the connection frame 5 includes an inner frame 51 and an outer frame 52 sleeved on the inner frame 51, the inner frame 51 and the outer frame 52 are hollow tubes, two ends of the outer frame 52 are shorter than the inner frame 51, a support bar 53 abutted against the inner frame 51 is further provided in the outer frame 52, and the inner frame 51 extends into the connection cavity 15 and is fixedly connected with the connection cavity 15. The hollow tube body inside of the inner frame 51 of the connecting frame 5 can be used for passing through wires, and a supporting strip 53 is further arranged between the inner frame 51 and the outer frame 52, so that the supporting capacity of the connecting frame 5 is stronger.

The supporting box body 1 is also provided with a cover plate 6, the shape of the cover plate 6 is the same as that of the upper opening 11, and the cover plate 6 is fixedly connected with the upper opening 11. As shown in fig. 14, the upper opening 11 of the supporting box body 1 is further provided with a cover plate 6 with the same shape, and by the arrangement of the cover plate 6, on one hand, noise generated when the driving mechanism 3 in the supporting box body 1 works can be reduced, on the other hand, the supporting box body 1 can form a closed space, and the influence of dust entering on the service life of the motor 31 is reduced. The connection mode of the cover plate 6 and the supporting box body 1 can be as shown in fig. 14, screw holes are arranged at the intersections of the supporting ribs 14, connection holes corresponding to the screw holes are formed in the cover plate 6, and connection is realized through fasteners; of course, those skilled in the art may also implement fixing of the cover plate 6 by bonding, riveting, etc., and will not be described herein.

It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. A concealed drive mounting structure, comprising:

the support box body is provided with an upper opening and a lower opening, and an accommodating cavity is formed in the support box body;

the lifting stand column comprises an outer pipe, an inner pipe sleeved in the outer pipe and a transmission assembly used for driving the outer pipe and the inner pipe to move relatively, and the lower opening of the supporting box body is connected with the top of the outer pipe;

the driving mechanism is arranged in the accommodating cavity, is connected with the transmission assembly and is used for driving the lifting upright post to ascend and descend;

the table plate is fixed on the upper opening of the supporting box body.

2. The concealed drive mounting structure according to claim 1, wherein an upper opening area of the support case is larger than the lower opening area, the lower opening protrudes from a bottom of the support case, and a size of the lower opening is adapted to a size of the outer tube.

3. The hidden drive mounting structure according to claim 2, wherein the accommodating chamber is further provided with a supporting rib, the supporting ribs are arranged in a crossing manner, and the supporting rib is fixedly connected with the lower surface and the side surface of the supporting box body.

4. A hidden drive mounting structure according to claim 3, wherein the support box further has two connecting cavities, two of the connecting cavities being disposed on both sides of the support box adjacent to the edge of the table.

5. The concealed driven mounting structure of claim 4 wherein the upper opening of the support box further has an everting securing tab for connection to the table.

6. The hidden drive mounting structure of claim 5, wherein the lifting column is quadrilateral or circular in cross section.

7. The concealed drive mounting structure as claimed in claim 6, wherein the drive mechanism includes a motor and a worm coupled to the motor, the transmission assembly having a worm gear thereon engaged with the worm.

8. The concealed driven mounting structure of claim 7 further comprising a connection frame disposed parallel to the table and fixedly connected to the support box.

9. The hidden driving installation structure according to claim 8, wherein the connecting frame comprises an inner frame and an outer frame sleeved on the inner frame, the inner frame and the outer frame are hollow pipe bodies, two ends of the outer frame are shorter than the inner frame, support bars abutted against the inner frame are further arranged inside the outer frame, and the inner frame extends into the connecting cavity and is fixedly connected with the connecting cavity.

10. The concealed driven mounting structure as claimed in claim 1, wherein the supporting case further has a cover plate having the same shape as the upper opening, the cover plate being fixedly connected to the upper opening.