CN106579750B

CN106579750B - Lifting table easy to assemble

Info

Publication number: CN106579750B
Application number: CN201611040791.6A
Authority: CN
Inventors: 陆小健; 胡仁昌; 李威强
Original assignee: Zhejiang Jiecang Linear Motion Technology Co Ltd
Current assignee: Zhejiang Jiecang Linear Motion Technology Co Ltd
Priority date: 2016-11-10
Filing date: 2016-11-10
Publication date: 2022-08-09
Anticipated expiration: 2036-11-10
Also published as: CN106579750A

Abstract

The invention discloses an easily-assembled lifting table, which belongs to the technical field of electric furniture and solves the technical problems that the assembly and disassembly are troublesome due to the fact that a motor shell needs to be punched when the conventional lifting table is assembled, and the air tightness of the motor shell is reduced.

Description

Lifting table easy to assemble

Technical Field

The invention belongs to the technical field of electric furniture, and particularly relates to an easily-assembled lifting table.

Background

The lift table is a desk with adjustable desktop height function, generally including the table frame that has the lift stand and install the table on the table frame, the top of lift stand is equipped with the motor casing, be provided with the motor in the motor casing, in lift table assembling process, the lift stand passes through the motor casing to be fixed to table frame or direct mount table, and lift table on the present market need punch through on the motor casing, again through penetrating the fixing of bolt realization motor casing in the hole, and during the construction bolt, hole on the motor casing need align with the screw on table frame or the table, and must screw the bolt through extra instrument, the assembly that just so has leaded to the lift table is very time-consuming and energy-consuming, and also quick detachable not. In addition, the air tightness of the motor shell is reduced, and water vapor and dust easily enter the motor shell, so that circuit elements of the motor shell are prone to failure.

Disclosure of Invention

The invention provides an easily-assembled lifting table, which solves the technical problems that assembly and disassembly are troublesome due to the fact that a motor shell needs to be punched when an existing lifting table is assembled, and the air tightness of the motor shell is reduced.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a lift table of easy assembly, includes the table and drives the lift stand that the table goes up and down, the top of lift stand is equipped with the motor casing, the motor casing outside is equipped with the backup pad of relative table fixed and is used for applying the pretension piece of pretightning force to the motor casing, pretension piece is applied the reaction force of pretightning force in the backup pad.

Further, the support plate is located below or on the periphery of the motor casing.

Furthermore, the pre-tightening piece comprises a rotating piece, and at least one eccentric wheel which takes the rotating center of the rotating piece as an axis is arranged on the rotating piece; the rotation piece is connected in the backup pad to it drives the rotatory edge that can make the eccentric wheel and applys the pretightning force to the motor casing to rotate the piece, perhaps, it connects on the motor casing to rotate the piece, and it drives the edge that the eccentric wheel is rotatory to make the eccentric wheel and produce the pretightning force of reverse action on the motor casing to the backup pad application of force and produce.

Furthermore, the rotating part comprises a first rotating part and a second rotating part, the first rotating part is located at one end of the supporting plate, the second rotating part is located at the other end of the supporting plate, pretightening force is applied to the motor casing by the first rotating part and the second rotating part in opposite rotating directions, and an accommodating space for accommodating the first rotating part can be formed by the second rotating part and the supporting plate.

Furthermore, the edges of the first rotating piece and the second rotating piece are provided with grooves for fingers to extend into.

Further, the preload member includes a wedge that can be pushed into or pulled out of a gap between the support plate and the motor case.

Furthermore, a support frame is arranged below the table plate and comprises two support tubes and a connecting plate connected with the two support tubes, the motor shell is positioned between the connecting plate and the support plate, the two support tubes are provided with second through holes, the support plate is provided with a clamping hook extending upwards, and the clamping hook extends into the second through holes and then is clamped with the inner walls of the support tubes through the horizontal movement of the support plate; or the motor shell is positioned between the desk plate and the supporting plate, and the supporting plate is fixed on the lower end face of the desk plate through a bolt.

Furthermore, a supporting arm is arranged below the table plate, and the supporting arm is provided with a supporting sheet, a bending sheet and a connecting sheet, wherein the supporting sheet is positioned on the same horizontal plane with the upper end surface of the supporting tube, the bending sheet is connected with the supporting sheet and is used for increasing the rigidity of the supporting sheet, and the connecting sheet is formed by horizontally extending the bending sheet; the connecting piece is located between connecting plate and the motor casing, perhaps, the connecting piece is located between table and the motor casing.

Furthermore, the connecting plate is provided with a protrusion extending downwards, a clamping groove is formed in the connecting sheet, and the protrusion is clamped with the clamping groove.

Further, the below of table is equipped with the connecting pipe, the quantity of support frame and lift stand is two, and one of them support frame is located one side of table, and another support frame is located the opposite side of table, the both ends of connecting pipe respectively with the stay tube intussusception in the support frame, the stay tube locks through the locking bolt with the connecting pipe.

The invention has the beneficial effects that:

according to the method, the motor shell is not assembled in a bolt connection mode any more, so that holes are not needed on the motor shell, the complex operation that the holes in the motor shell need to be aligned with screw holes in the bolt connection mode is avoided, the operation of the pre-tightening piece does not need to adopt an additional tool, the assembly of the lifting table is greatly facilitated, when the lifting table needs to be disassembled, only the pre-tightening piece needs to be operated to remove the pre-tightening force on the motor shell, and the disassembling process is very simple and convenient; in addition, the motor casing can be made into a closed casing, so that the air tightness of the motor casing is greatly improved, water vapor and dust are prevented from entering the motor casing, and the service life of circuit elements in the motor casing is prolonged.

Drawings

The invention is further described below in conjunction with the appended drawings and the detailed description:

FIG. 1 is a schematic view of a partial three-dimensional structure of a lifting table according to a first embodiment of the present invention;

FIG. 2 is a schematic three-dimensional structure of a lifting table according to a first embodiment of the present invention;

FIG. 3 is a schematic three-dimensional structure of a lifting table according to a second embodiment of the present invention;

fig. 4 is a schematic three-dimensional structure of a lifting table according to a third embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the invention refers to the accompanying drawings.

Example one

As shown in fig. 1 and 2, an easily assembled lifting table comprises a table top 2 and a lifting upright post 1 for driving the table top 2 to lift, wherein the lifting upright post 1 is a lifting upright post disclosed in chinese invention patent with application number 201510190416.9 or 201610566413.5, the lifting upright post 1 mainly comprises an inner tube 1a, a middle tube 1b and an outer tube 1c which are mutually nested, a motor housing 11 is arranged at the top end of the lifting upright post 1, the motor housing 11 is fixedly connected with the upper end of the inner tube 1a, a motor is arranged in the motor housing 11, and the motor drives the inner tube 1a, the middle tube 1b and the outer tube 1c to relatively slide through a transmission device, so that the lifting upright post 1 drives the table top 2 to lift.

The motor casing 11 outside is equipped with backup pad 31 fixed relative to the table, be equipped with the pretensioning piece that exerts the pretightning force to motor casing 11 on backup pad 31, the pretensioning piece is exerted the reaction force of pretightning force on backup pad 31, in this embodiment, backup pad 31 is located the below of motor casing 11, the pretensioning piece exerts direction pretightning force up to motor casing 11, because lift stand 1 adopts the installation of upper and lower direction with table 2, consequently, make the pretightning force up can let motor casing 11 fixed most firm, the pretensioning piece receives decurrent reaction force, this decurrent reaction force transmits to backup pad 31 on, consequently, backup pad 31 is fixed relative to the table can only ensure backup pad 31 can't take place the displacement in the reaction force direction can, motor casing 11 can be by firm locking under the effect of pretightning force.

In this embodiment, the preload member includes a rotating member 32 connected to the supporting plate 31, the supporting plate 31 is provided with a protruding mounting plate 31a, the rotating member 32 is hinged to the mounting plate 31a, in order to facilitate the operation of the rotating member 32, the rotating member 32 is preferably a plate-shaped wrench, the rotating member 32 is provided with at least one eccentric wheel 321 which takes the rotation center of the rotating member 32 as an axis, since the rotation center of the eccentric wheel 321 is eccentrically arranged and the eccentric direction is away from the motor housing 11, the supporting plate 31 is provided with a first through hole 311, when the rotating member 32 drives the eccentric wheel 321 to rotate, the edge of the eccentric wheel 321 will be protruded from the first through hole 311 and pressed against the outer wall of the motor housing 11 to apply a preload, and the preload will be gradually increased with the increase of the rotation angle of the rotating member 32, and finally, when the rotating member 32 is attached to the surface of the supporting plate 31, the preload will be maximized, at this time, the friction force between the edge of the eccentric wheel 321 and the outer wall of the motor casing 11 will become large, so that the edge of the eccentric wheel 321 can reliably lock the motor casing 11, in this embodiment, the rotating member 32 is provided with two eccentric wheels 321, and certainly, the number of the eccentric wheels 321 may also be more than two, which will increase the locking firmness of the motor casing 11.

In order to improve the locking effect of the motor casing 11, the number of the rotating members 32 may also be two, that is, the rotating members 32 include a first rotating member 32a and a second rotating member 32b, the first rotating member 32a is located at one end of the supporting plate 31, and the second rotating member 32b is located at the other end of the supporting plate 31, so that the two ends of the motor casing 11 can both obtain a pretightening force, and the pretightening force is applied at multiple points to greatly improve the locking reliability of the motor casing 11. In the case of providing two rotating members 32, it is possible to apply a preload to the motor case 11 in opposite rotating directions by controlling the rotating center position of the eccentric wheel 321, and the second rotating member 32b is provided with a receiving groove 32c, and when the first rotating member 32a rotates to the surface attached to the supporting plate 31 to lock one end of the motor case 11, and then the second rotating member 32b rotates to the surface attached to the supporting plate 31 to lock the other end of the motor case 11, at this time, the receiving groove 32c of the second rotating member 32b and the surface of the supporting plate 31 may form a receiving space for receiving the first rotating member 32a, so that the first rotating member 32a may be received in the second rotating member 32b in a state of locking the motor case 11, and the space occupied by the first rotating member 32a and the second rotating member 32b is saved, and therefore, the first rotating member 32a and the second rotating member 32b do not easily interfere with the usual movement of the user.

When the lifting table needs to be disassembled, the first rotating member 32a and the second rotating member 32b need to be pulled to rotate in the direction opposite to the rotating direction of the locking motor housing 11, because the first rotating member 32a and the second rotating member 32b will be attached to the supporting plate 31 in the state of locking the motor housing 11, the space occupied by the first rotating member 32a and the second rotating member 32b can be saved to the greatest extent, and the first rotating member 32a and the second rotating member 32b can generate larger friction force with the outer wall of the motor housing 11 respectively to form a tight locking state, in which the user can hardly pull the first rotating member 32a and the second rotating member 32b with fingers, in order to make the first rotating member 32a and the second rotating member 32b pull more conveniently and easily, the edges of the first rotating member 32a and the second rotating member 32b are both provided with grooves 322 for fingers to extend into, so that the user's finger can be inserted into the groove 322 and it is easier to flip the first rotating member 32a and the second rotating member 32 b.

In this embodiment, in order to fix the supporting plate 31 relative to the table, the supporting frame 4 is disposed below the table 2, the supporting frame 4 includes two supporting tubes 41 and a connecting plate 42 connecting the two supporting tubes 41, the supporting tubes 41 are fixed to the lower end surface of the table 2 by bolts, preferably, the upper end surfaces of the supporting tubes 41 and the upper end surface of the connecting plate 42 are located on the same horizontal plane, so that the upper end surfaces of the supporting tubes 41 and the upper end surface of the connecting plate 42 can support the table 2, the table 2 can obtain better stability, the motor housing 11 is located between the connecting plate 42 and the supporting plate 31, the two supporting tubes 41 are provided with second through holes 411, the supporting plate 31 is provided with hooks 312 extending upward, the hooks 312 are preferably L-shaped, the hooks 312 are engaged with the inner walls of the supporting tubes 41 by the horizontal movement of the supporting plate 31 after extending into the second through holes 411, in this process, the hook 312 will abut against the hole wall of the second through hole 411 when the support plate 31 moves horizontally, so that the support plate 31 cannot move horizontally any more, and at this time, the hook 312 hooks the inner wall of the support tube 41, and the locking step of the motor housing 11 is to rotate the first rotating member 32a first, and the edge of the eccentric wheel 321 on the first rotating member 32a rotates on the outer wall of the motor housing 11, so that the support plate 31 receives a friction force in accordance with the above-mentioned horizontal moving direction, and the friction force will cause the support plate 31 to have a tendency to move, but since the hook 312 abuts against the hole wall of the second through hole 411, the support plate 31 cannot move during the rotation of the first rotating member 32a, and then the second rotating member 32b is rotated, and the edge of the eccentric wheel 321 on the second rotating member 32b will cause the support plate 31 to have a tendency to move in the same principle as the edge of the eccentric wheel 321 on the first rotating member 32a will have locked the motor housing 11 to a certain extent at this time Therefore, the supporting plate 31 cannot move during the process of rotating the second rotating member 32b, and such a matching structure not only meets the requirement that the first rotating member 32a is accommodated in the second rotating member 32b, but also meets the requirement of positioning the supporting plate 31 when the first rotating member 32a and the second rotating member 32b rotate, thereby ensuring reliable locking of the motor casing 11.

In order to further improve the stability of the table 2, as shown in fig. 2, a bracket 5 is disposed below the table 2, the bracket 5 has a support plate 51 located at the same level as the upper end surface of the support tube 41, a bent plate 52 connected to the support plate 51 for increasing the rigidity of the support plate 51, and a connection plate 53 formed by horizontally extending the bent plate 52, the support plate 51 is fixedly connected to the lower end surface of the table 2 through a bolt, so that the support plate 51 supports the table 2, in this embodiment, it is preferable that the support plate 51 is located at the same level as the upper end surface of the support tube 41, and the support plate 51 and the bent plate 52 are respectively vertically installed to the support tube 41, so that the support area obtained by the table 2 is increased, and thus better stability can be obtained, in order to fixedly connect the bracket 5 to the support frame 4, when the bracket 5 is assembled, the connection plate 53 is located between the connection plate 42 and the motor housing 11, the connecting piece 53 is pressed on the connecting plate 42 through the motor shell 11 by the pre-tightening piece, so that the fixing of the connecting piece 53 is realized. In order to further fix the connecting plate 42 more firmly, the connecting plate 42 is provided with a protrusion 421 extending downwards, the connecting sheet 53 is provided with a clamping groove 531, and the protrusion 421 is clamped with the clamping groove 531, so that the clamping structure of the protrusion 421 and the clamping groove 531 can position the connecting plate 42 to limit the connecting plate 42 to be separated.

Referring again to fig. 2, the connecting pipe 6 is arranged below the table board 2, the number of the supporting frames 4 and the number of the lifting columns 1 are two, it should be noted that fig. 1 shows a structure of the lifting table with a part cut out, so that only one supporting frame 4 and one lifting column 1 are shown, but actually fig. 1 is similar to the lifting table in fig. 2, and they all have two supporting frames 4 and two lifting columns 1, wherein one supporting frame 4 is located at one side of the table board 2, the other supporting frame 4 is located at the other side of the table board 2, both ends of the connecting pipe 6 are respectively nested with the supporting pipe 41 in one supporting frame 4, the supporting pipe 41 and the connecting pipe 6 are locked by the locking bolt, the telescoping manner can adopt that the connecting pipe 6 extends into the supporting pipe 41, at this time, the locking bolt is arranged on the supporting pipe 41, and the head end of the locking bolt can extend into the supporting pipe 41 to tightly press against the outer wall of the connecting pipe 6 to realize the locking function, the intussusception mode also can adopt the stay tube 41 to stretch into connecting pipe 6, locking bolt establishes on connecting pipe 6 this moment and locking bolt's head end can stretch into in the connecting pipe 6 the outer wall of tight stay tube 41 of top realize the function of locking, so just so can realize two lift stand 1's interval adjustable through slip stay tube 41 and connecting pipe 6, the same lift stand 1 that also says so and support frame 4 can be applicable to the table 2 of different length to make the lift table of different dimensions.

The lower part of the lifting upright post 1 is provided with table feet 7, the lower end faces of the lifting upright posts 1 of the table feet 7 are fixedly connected through bolts, the table feet 7 are of long strip-shaped structures, so that the area of contacting with the ground is increased, the lower end faces of the table feet 7 are provided with at least two anti-slip pads 71, the anti-slip pads 71 are preferably rubber pads, so that the friction force between the table feet 7 and the ground is increased, and the lifting table is not easy to slip.

Example two

As shown in fig. 3, the difference between the first embodiment and the second embodiment is that the support frame 4 and the bracket 5 are not disposed below the table 2, the motor housing 11 is located between the table 2 and the support plate 31, and the support plate 31 is directly fixed to the lower end surface of the table 2 through the bolt 21, which is simple in structure and relatively easy to install and is suitable for the table 2 with a small area.

EXAMPLE III

As shown in fig. 4, the difference between the present embodiment and the second embodiment is that a bracket 5 is disposed below the table 2 to improve the stability of the table 2, a connecting piece 53 on the bracket 5 is located between the table 2 and the motor housing 11, and the preload piece directly presses the connecting piece 53 on the lower end surface of the table 2 through the motor housing 11, thereby achieving the fixed installation of the bracket 5.

Example four

The present embodiment is different from the above embodiments in that the supporting plates 31 in fig. 1 to 4 are located on the peripheral side of the motor housing 11, where the peripheral side is the side excluding the upper and lower sides of the motor housing 11, in the present embodiment, the number of the supporting plates 31 is at least one pair, the motor housing 11 is located between each pair of the supporting plates 31, the rotating member 32 is connected to one supporting plate 31 of each pair of the supporting plates 31, and the other supporting plate 31 is used for supporting the motor housing 11, so that the locking of the motor housing 11 can be realized, and the rotating member 32 is more convenient to operate because the supporting plates 31 and the rotating member 32 are located on the peripheral side of the motor housing 11.

EXAMPLE five

The difference between the present embodiment and the first embodiment is that the rotating member 32 shown in fig. 1 and fig. 2 can also be connected to the motor housing 11, when the rotating member 32 drives the eccentric wheel 321 to rotate, the edge of the eccentric wheel 321 can apply a force to the supporting plate 31, and the generated counter-acting force is applied to the motor housing 11 through the rotating member 32, and the counter-acting force is the pre-tightening force.

EXAMPLE six

The difference between this embodiment and the above embodiments is that the preload member includes a wedge, which is a block with a triangular cross section and can be pushed into or pulled out of the gap between the support plate 31 and the motor casing 11 as shown in fig. 1 to 4, and when the wedge is pushed into the gap between the support plate 31 and the motor casing 11, the side of the wedge contacting with the motor casing 11 applies a preload to the motor casing 11, so that the motor casing 11 can be pressed against the lower end surface of the table 2 by the wedge, thereby locking the motor casing 11. The wedge can be pushed in or pulled out by a tool, a rack can also be arranged on the wedge, two reversely-arranged ratchet wheels matched with the rack are arranged on the supporting plate 31 or the motor shell 11, one ratchet wheel rotates to drive the rack to push the wedge into a gap between the supporting plate 31 and the motor shell 11, and the other ratchet wheel rotates to drive the rack to pull the wedge out of the gap between the supporting plate 31 and the motor shell 11.

EXAMPLE seven

The difference between this embodiment and the sixth embodiment is that the wedge is pushed into or pulled out of the gap between the connecting plate 42 and the motor casing 11, and when the wedge is pushed into the gap between the connecting plate 42 and the motor casing 11, the side surface of the wedge contacting the motor casing 11 applies a pre-tightening force to the motor casing 11, so that the motor casing 11 can be pressed on the lower end surface of the connecting plate 42 by the wedge, and the locking of the motor casing 11 is realized. Two reverse-mounted ratchets are provided on the connection plate 42 or the motor case 11.

The foregoing has been a description of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which is defined by the scope of the appended claims.

Claims

1. An easily assembled lifting table comprises a table plate (2) and a lifting upright post (1) for driving the table plate to lift, wherein table legs (7) are arranged at the lower part of the lifting upright post (1), a motor shell (11) is arranged at the top end of the lifting upright post (1), the easily assembled lifting table is characterized in that a supporting plate (31) fixed relative to the table plate and a pre-tightening piece for applying pre-tightening force to the motor shell (11) are arranged on the outer side of the motor shell (11), the pre-tightening piece applies counter-acting force of the pre-tightening force to the supporting plate (31), the pre-tightening piece comprises a rotating piece (32), and at least one eccentric wheel (321) taking the rotating center of the rotating piece (32) as an axis is arranged on the rotating piece (32); the rotating piece (32) is connected to the supporting plate (31), the rotating piece (32) drives the eccentric wheel (321) to rotate, so that pretightening force can be applied to the motor shell (11) by the edge of the eccentric wheel (321), or the rotating piece (32) is connected to the motor shell (11), and the rotating piece (32) drives the eccentric wheel (321) to rotate, so that the pretightening force which acts on the motor shell (11) in the opposite direction can be generated by the force applied to the supporting plate (31) by the edge of the eccentric wheel (321).

2. An easily assembled lifting table according to claim 1, characterized in that the support plate (31) is located below or on the periphery of the motor housing (11).

3. An easily assembled lifting table according to claim 2, wherein the rotating member (32) comprises a first rotating member (32a) and a second rotating member (32b), the first rotating member (32a) is located at one end of the supporting plate (31), the second rotating member (32b) is located at the other end of the supporting plate (31), the first rotating member (32a) and the second rotating member (32b) apply pre-tightening force to the motor housing (11) in opposite rotating directions, and the second rotating member (32b) and the supporting plate (31) form a receiving space for receiving the first rotating member (32 a).

4. An easily assembled lifting table according to claim 3, wherein the edges of the first rotating member (32a) and the second rotating member (32b) are provided with grooves (322) for fingers to enter.

5. The easy-to-assemble lifting table as claimed in any one of claims 1 to 4, wherein a support frame (4) is arranged below the table plate (2), the support frame (4) comprises two support pipes (41) and a connecting plate (42) connecting the two support pipes (41), the motor housing (11) is located between the connecting plate (42) and the support plate (31), the two support pipes (41) are provided with second through holes (411), the support plate (31) is provided with upwardly extending hooks (312), and the hooks (312) extend into the second through holes (411) and then are clamped with the inner walls of the support pipes (41) through the horizontal movement of the support plate (31); or the motor shell (11) is positioned between the table plate (2) and the supporting plate (31), and the supporting plate (31) is fixed on the lower end face of the table plate (2) through a bolt (21).

6. An easily assembled lifting table according to claim 5, wherein a supporting arm (5) is arranged below the table board (2), the supporting arm (5) is provided with a supporting sheet (51) which is positioned at the same level with the upper end surface of the supporting tube (41), a bending sheet (52) which is connected with the supporting sheet (51) and is used for increasing the rigidity of the supporting sheet (51), and a connecting sheet (53) which is formed by horizontally extending the bending sheet (52); the connecting piece (53) is located between the connecting plate (42) and the motor shell (11), or the connecting piece (53) is located between the desk plate (2) and the motor shell (11).

7. An easily assembled lifting table according to claim 6, wherein the connecting plate (42) is provided with a protrusion (421) extending downwards, the connecting plate (53) is provided with a slot (531), and the protrusion (421) is clamped with the slot (531).

8. An easily assembled lifting table according to claim 5, wherein a connecting pipe (6) is arranged below the table top (2), the number of the support frames (4) and the number of the lifting columns (1) are two, one support frame (4) is arranged on one side of the table top (2), the other support frame (4) is arranged on the other side of the table top (2), two ends of the connecting pipe (6) are respectively overlapped with the support pipe (41) in one support frame (4), and the support pipe (41) and the connecting pipe (6) are locked through a locking bolt.