CN214630714U - Thin-leg electric lifting table frame and table - Google Patents

Abstract

The utility model discloses a thin-leg electric lifting table frame and a table, belonging to the technical field of lifting devices, comprising a horizontal frame, wherein a lifting upright post used as a table leg is arranged below the horizontal frame, the horizontal frame comprises a cross beam and a longitudinal beam which are vertically connected, the lifting upright post comprises a transmission screw rod and a driving motor for driving the transmission screw rod to rotate, the joint of the cross beam and the longitudinal beam forms a corner, the driving motor extends from the corner to the inside of the horizontal frame, the proposal of the utility model is to arrange the driving motor at the corner, the driving motor is fixed below the table board through the bottom box, the weight of the driving motor is dispersed on the table board, the pressure transmitted to the end part of the horizontal frame beam or the longitudinal beam is greatly reduced, the deformation quantity of the beam or the longitudinal beam is small, the strength of the frame is guaranteed, and the service life of the whole table frame is prolonged.

Description

Thin-leg electric lifting table frame and table

[ technical field ] A method for producing a semiconductor device

The utility model relates to a elevating gear technical field, concretely relates to thin leg electric lift table frame and desk.

[ background of the invention ]

The lifting table is widely used in European and American countries, is gradually accepted and widely used in China, can be adjusted in height according to needs, and simultaneously helps people to stand for a long time to realize standing type office and life, the electric lifting table comprises a table top plate and a table frame arranged below the table top plate, the table frame comprises a supporting frame for supporting the table top and a plurality of lifting upright posts arranged at the corners of the supporting frame and used as table legs, the supporting frame is surrounded by a plurality of supporting tubes, electricity is used as a power source, the lifting upright posts are controlled by a driving motor to lift so as to adjust the height of the lifting table, the radial dimension of the lifting upright posts which are traditionally used as the table legs is larger, generally more than 70mm is needed, the lifting table is inconvenient to carry and install, larger in floor area, inconvenient to design and shape and low in aesthetic degree, so the thin-leg lifting table with smaller radial dimension and higher aesthetic degree is more and more favored by consumers, the rotary transmission mechanism is a core part of the lifting upright post, but the radial dimension of the thin-leg lifting upright post is smaller and is generally below 45mm, a worm gear and worm rotary transmission mechanism which is commonly used for a driving motor and a screw rod in the traditional upright post occupies larger space in the horizontal direction, when the rotary transmission mechanism is used in the thin-leg lifting upright post, the clearance between the worm gear and the pipe wall is small, and the risk of rubbing the pipe wall exists, a bottom box for placing the driving motor in the traditional upright post is generally arranged along the direction of a supporting pipe at the corner of a frame, the volume of the driving motor is larger, so that the bottom box is wider and is arranged at the periphery of a more obvious corner, the integral aesthetic degree of the thin-leg lifting table is influenced, meanwhile, the standard requirement that the sum of the dimensions of the European market supporting frame and the table board is less than 55mm is difficult to meet, and the bottom box is arranged in the direction of the supporting pipe and is used as an extension part of the supporting pipe, the driving motor is heavier, so that the end of the supporting pipe is stressed to generate bending stress to influence the strength of the supporting rod, thereby affecting the service life of the entire support frame. Meanwhile, the top ends of the sleeves of the traditional bottom box and the lifting stand column are welded, but the sleeves of the thin-leg lifting stand column are too thin, the strength is lower after welding, the thin-leg lifting stand column is easy to break, the concentricity of the sleeves of the welding process lifting stand column and the mounting seat of the bottom box cannot be guaranteed, a weld scar is formed inside during welding, a polishing mark is formed after a welding position is polished, and the attractiveness is seriously affected.

[ summary of the invention ]

The utility model aims to solve the technical problem of overcoming the defects in the prior art, and having high design strength and strong designability of appearance

In order to solve the technical problem, the utility model adopts the following technical scheme:

thin electronic lift table frame of leg, including horizontal frame, the horizontal frame below is equipped with the lift stand as the table leg, horizontal frame includes crossbeam and the longeron of perpendicular connection, the lift stand includes the driving motor of transmission lead screw and drive transmission lead screw rotating, crossbeam and longeron junction form the turning, driving motor is by the inside extension setting of corner to horizontal frame.

The beneficial effect of this scheme of adoption:

based on driving motor sets up the problem that exists along the stay tube direction among the prior art, the utility model provides a scheme is with driving motor setting in the corner to the inside extension setting of horizontal frame, box fixes driving motor in the desktop board below at the bottom of the rethread, with driving motor's weight dispersion on the desktop board, the pressure that reaches horizontal frame crossbeam or longeron tip reduces by a wide margin, crossbeam or longeron deformation volume are less, have guaranteed the intensity of frame, prolong the life of whole table frame.

Driving motor is by the inside setting that extends of corner to horizontal frame, namely, driving motor establishes in the middle of adjacent crossbeam and longeron, disguised better, the periphery is difficult for seeing, the whole pleasing to the eye degree of table frame has been promoted, and driving motor is to the design of horizontal frame crossbeam and longeron, the installation is no longer interfered and is influenced, the thickness dimension of crossbeam and longeron can be designed according to actual demand, also can satisfy the European market braced frame and the table size well and be less than 55mm standard requirement, the designability of whole outward appearance has been strengthened, so that satisfy the market demand better.

Preferably, an included angle alpha is formed between the shaft axis of the driving motor and the length direction of the cross beam, and the included angle alpha is more than or equal to 30 degrees and less than or equal to 60 degrees.

Preferably, the device also comprises a bottom box for placing the driving motor, and the bottom box extends from the corner to the inside of the horizontal frame.

Preferably, a first connecting arm connected with the cross beam and a second connecting arm connected with the longitudinal beam are respectively arranged on two sides of the bottom box.

Preferably, the lifting upright post further comprises a plurality of sleeves which are sleeved with each other, and the sleeves are in threaded connection with the bottom box.

Preferably, the bottom box comprises a mounting seat, the mounting seat is provided with an external thread, and the top end of the sleeve is provided with an internal thread matched with the external thread.

Preferably, the mounting seat is provided with a through hole, and the top end of the transmission screw rod penetrates through the through hole and extends into the bottom box.

Preferably, the driving motor is in transmission connection with the transmission screw rod through a bevel gear set, the driving motor comprises a motor output shaft, a first bevel gear is arranged on the motor output shaft, and a second bevel gear vertically meshed with the first bevel gear is arranged at the top end of the screw rod.

Preferably, the driving motor comprises a motor output shaft, and a motor output shaft unidirectional self-locking structure is arranged in the driving motor.

The utility model discloses an another technical scheme as follows:

an electric lifting table with thin legs comprises a table top plate, wherein a table frame with thin legs is arranged under the table top plate.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The utility model is further described with the following drawings:

fig. 1 is a schematic view of a local structure of the thin-leg electric lifting table frame of the present invention.

Fig. 2 is a top view of the bottom case with the first and second connecting arms of the present invention.

Fig. 3 is a schematic view of the local structure of the thin-leg electric lifting table frame of the present invention, wherein the cover plate is removed from the bottom box.

Fig. 4 is a schematic perspective view of the bottom case with the first connecting arm and the second connecting arm according to the present invention.

Fig. 5 is a partial enlarged view of a cross-sectional view of the lifting column of the present invention.

Reference numerals: a lifting upright post 1; a transmission screw 101; a drive motor 102; an extension tube 103; internal threads 103 a; a cross beam 2; a longitudinal beam 3; a bottom case 4; a mount 401; a cover plate 5; a first connecting arm 6; a second connecting arm 7; a reinforcing plate 8; a first bevel gear 9; a second bevel gear 10; a fixed frame 11; a corner a; horizontal frame interior b.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The first embodiment is as follows:

thin-leg electric lifting table frame comprises a horizontal frame, a lifting upright post 1 serving as a table leg is arranged below the horizontal frame, as shown in fig. 3 and 5, the horizontal frame comprises a cross beam 2 and a longitudinal beam 3 which are vertically connected, the lifting upright post 1 comprises a transmission screw rod 101 and a driving motor 102 for driving the transmission screw rod 101 to rotate, a corner a is formed at the joint of the cross beam 2 and the longitudinal beam 3, and the driving motor 102 extends from the corner a to the inside b of the horizontal frame.

Based on driving motor 102 sets up the problem that exists along the stay tube direction among the prior art, the utility model provides a scheme is with driving motor 102 setting in turning a department to extend the setting to horizontal frame inside b, box 4 fixes driving motor 102 in the desktop board below at the bottom of the rethread, with driving motor 102's weight dispersion on the desktop board, reach the pressure of horizontal frame crossbeam 2 or longeron 3 tip and reduce by a wide margin, crossbeam 2 or 3 deformation volume of longeron are less, horizontal frame's intensity has been guaranteed, prolong the life of whole table frame.

Driving motor 102 is located to the inside b extension setting of horizontal frame by turning a, namely, driving motor 102 establishes in the middle of adjacent crossbeam 2 and longeron 3, the disguise is better, the periphery is difficult to see, the whole pleasing to the eye degree of table frame has been promoted, and driving motor 102 is to the design of horizontal frame crossbeam 2 and longeron 3, the installation is no longer interfered and is influenced, crossbeam 2 and longeron 3's thickness size can be designed according to actual demand, also can satisfy the European market support horizontal frame and the table size sum better and be less than 55mm standard requirement, but the designability of whole outward appearance has been strengthened, so that satisfy the market demand better.

In order to reduce the weight of the thin-leg electric lifting table frame and reduce the energy consumption of the lifting upright post 1, the cross beam 2 and the longitudinal beam 3 are preferably of hollow pipe structures.

The utility model provides a lift stand 1 is thin leg lift stand, the structure and the transmission principle of thin leg lift stand are the same with traditional stand, including telescopic tube 103 and the flexible transmission assembly of drive telescopic tube 103, the transmission assembly includes drive lead screw 101, telescopic tube 103 includes the outer tube and cup joints the inner tube in the outer tube, but the external diameter of thin leg lift stand 1's outer tube is below 45mm, lift stand 1's specific structure and specific lift principle have been published in this patentee's other patents, can refer to application number 201720389490.8, the name is a telescopic transmission assembly device and lift stand 1's patent literature, but not confine the structure in this literature to, no longer describe herein one by one.

In order to make the dispersion of driving motor 102 gravity on desktop board and table frame more balanced, driving motor 102 should be located between adjacent crossbeam 2 and longeron 3 as far as possible, consequently the utility model discloses well driving motor 102's axial lead and crossbeam 2's length direction form contained angle alpha, contained angle alpha satisfies, 30 is less than or equal to alpha and is less than or equal to 60, preferred contained angle alpha is 45, when driving motor 102 is close to the centre more, influence, interference to crossbeam 2 and longeron 3 are less, disguised also better, and the pleasing to the eye degree is higher, and it is more convenient that driving motor 102 installs.

In order to fix and protect the driving motor 102, a bottom box 4 for placing the driving motor 102 is further arranged in the thin-leg electric lifting table frame, as shown in fig. 1 to 4, the bottom box 4 extends from a corner a to the inside b of the horizontal frame, and a cover plate 5 for sealing the bottom box 4 is arranged above the bottom box 4, that is, the structure, size and direction of the bottom box 4 are designed and installed according to the actual situation of the driving motor 102.

In order to facilitate the assembly of the horizontal frame cross beam 2 and the longitudinal beam 3, as shown in fig. 1 to 4, a first connecting arm 6 connected with the cross beam 2 and a second connecting arm 7 connected with the longitudinal beam 3 are respectively arranged on two sides of the bottom box 4, the first connecting arm 6 and the second connecting arm 7 are perpendicular in length direction, and reinforcing plates 8 are arranged between the first connecting arm 6 and the bottom box 4 and between the second connecting arm 7 and the bottom box 4 in order to improve the strength of the table frame after installation and the stability in use.

In this embodiment, the first connecting arm 6, the second connecting arm 7 and the back box 4 are integrally formed in order to simplify the assembling process.

Of course, the first connecting arm 6, the second connecting arm 7 and the bottom case 4 can be of a split structure for convenience of processing and transportation.

Of course, the bottom box 4 may not be provided with the first connecting arm 6 and the second connecting arm 7, and the cross beam 2 and the longitudinal beam 3 may be directly connected to the bottom box 4.

Based on box 4 and telescopic tube 103 in the prior art adopt the low intensity that welding process exists, the concentricity is difficult to guarantee, the defect that the pleasing to the eye degree of scar is low, the utility model discloses in, as shown in fig. 4 and fig. 5, telescopic tube 103 and 4 threaded connection of box in the end, concrete connection structure does, box 4 bottom in the end includes mount pad 401, mount pad 401 is equipped with the external screw thread, telescopic tube 103 top be equipped with thread fit's internal thread 103a, adopt the easy assembly of threaded connection, and intensity is big after the assembly, easily keep the concentricity, it is also higher to beautifully spend, be equipped with the through-hole on the mount pad 401 to in transmission lead screw 101 top passes the through-hole and stretches into box 4 in the end, realize driving motor 102 to the drive of transmission lead screw 101.

Based on the problem that the driving motor 102 and the transmission screw 101 occupy a large space in the horizontal direction in the prior art, the driving motor 102 and the transmission screw 101 are in transmission connection in a rotating manner through a bevel gear set, and the specific structure is that, as shown in fig. 3 and 5, the driving motor 102 comprises a motor output shaft, a first bevel gear 9 is arranged on the motor output shaft, a second bevel gear 10 vertically meshed with the first bevel gear 9 is arranged at the top end of the transmission screw 101, the bevel gear set is fixed in the bottom box 4 through a fixing frame 11 and distributed along the periphery compared with the tooth surface of a common straight gear, the tooth surface of the bevel gear is arranged at the upper end, so that the outer diameter of the bevel gear is smaller, the first bevel gear 9 and the second bevel gear 10 are meshed in the vertical direction, the occupied space in the horizontal direction is smaller, the vertical lifting column is more suitable for a thin-leg lifting upright column 1 with a smaller outer diameter size, and the bearing capacity of the bevel gear is high, when the table frame is used on the table frame, the table frame is not easy to crush, and the service life of the table frame is prolonged.

In this embodiment, be equipped with the one-way auto-lock structure of motor output shaft in driving motor 102, choose for use the motor that has the one-way auto-lock structure, when the motor stops, prevent through the auto-lock structure of motor that lift stand 1 descends, replaced the traditional structure of auto-lock on the lead screw, the auto-lock effect is better, and stability is higher, and the motor can choose for use current motor that has the one-way auto-lock structure.

Example two:

the thin-leg electric lifting table comprises a table top plate, wherein the thin-leg electric lifting table frame in the first embodiment is arranged below the table top plate.

The above description is only for the embodiments of the present invention, but the scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the description in the above embodiments and the accompanying drawings. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the claims.

Claims (10)

1. Thin electronic lift table frame of leg, including horizontal frame, the horizontal frame below is equipped with the lift stand as the table leg, horizontal frame includes crossbeam and the longeron of perpendicular connection, the lift stand includes the driving motor of transmission lead screw and drive transmission lead screw rotating, its characterized in that, the junction of crossbeam and longeron forms the turning, driving motor is by the inside extension setting of corner to horizontal frame.

2. The thin-leg electric lifting table frame as claimed in claim 1, wherein an included angle α is formed between the axis of the driving motor and the length direction of the cross beam, and the included angle α satisfies the condition that α is greater than or equal to 30 ° and less than or equal to 60 °.

3. The thin-leg electric lifting table frame as claimed in claim 1, further comprising a bottom box for placing a driving motor, wherein the bottom box extends from a corner to the inside of the horizontal frame.

4. The thin-leg electric lifting table frame as claimed in claim 3, wherein a first connecting arm connected with the cross beam and a second connecting arm connected with the longitudinal beam are respectively arranged on two sides of the bottom box.

5. The thin-leg electric lifting table frame as claimed in claim 3, wherein the lifting column further comprises a plurality of sleeves sleeved with each other, and the sleeves are in threaded connection with the bottom box.

6. The thin-leg electric lifting table frame as claimed in claim 5, wherein the bottom of the bottom box comprises a mounting seat, the mounting seat is provided with an external thread, and the top end of the sleeve is provided with an internal thread matched with the external thread.

7. The thin-leg electric lifting table frame as claimed in claim 6, wherein the mounting base is provided with a through hole, and the top end of the transmission screw rod penetrates through the through hole and extends into the bottom box.

8. The thin-leg electric lifting table frame as claimed in claim 1, wherein the driving motor is in rotational transmission connection with the transmission screw rod through a bevel gear set, the driving motor comprises a motor output shaft, a first bevel gear is arranged on the motor output shaft, and a second bevel gear vertically meshed with the first bevel gear is arranged at the top end of the screw rod.

9. The thin-leg electric lifting table frame as claimed in claim 1, wherein the driving motor comprises a motor output shaft, and a motor output shaft unidirectional self-locking structure is arranged in the driving motor.

10. Electric lifting table with thin legs comprises a table top board, and is characterized in that the electric lifting table frame with thin legs as claimed in any one of claims 1 to 9 is arranged below the table top board.

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