CN215423340U

CN215423340U - Lifting and traveling mechanism of working table

Info

Publication number: CN215423340U
Application number: CN202121834564.7U
Authority: CN
Inventors: 江庆东; 吴合林; 吴海清; 邓超
Original assignee: Shanghai Weibang Working Position Appliance Co ltd
Current assignee: Shanghai Weibang Working Position Appliance Co ltd
Priority date: 2021-08-07
Filing date: 2021-08-07
Publication date: 2022-01-07
Anticipated expiration: 2031-08-07

Abstract

The utility model discloses a lifting and travelling mechanism of a working table, which comprises a square bottom frame and trundles arranged at the lower end of the bottom frame, wherein a square lifting frame for supporting the working table is arranged at the upper side of the bottom frame, a plurality of downward supporting legs are fixed after the lifting frame extends out of the bottom frame towards the left side and the right side, and an inverted U-shaped pushing handle is fixed at the left end and the right end of the lifting frame. Still including setting up the rotary mechanism that drives the lift-and-drop frame through rotatory jack-up and set up and carry out the guiding mechanism of vertical direction between lift-and-drop frame and underframe. On the lifting frame was put to the work table, normal condition, four supporting legs landed, and is more steady, when needing to remove, utilizes lever principle, rotates the pendulum rod, and the pendulum rod drives the lever plate rotation through the pivot, turns to the front side from the rear side, holds up lifting frame and work table to hold up the supporting leg, break away from ground, make the truckle slide on ground, here only need operate the pendulum rod can, need not make a round trip to walk about.

Description

Lifting and traveling mechanism of working table

Technical Field

The utility model relates to the field of dragging of working tables, in particular to a lifting and walking mechanism of a working table.

Background

Many work tables are for removing the convenience, be provided with the universal wheel, there is the brake on the universal wheel, the during operation, it is died to brake the brake, avoid removing, when needing the relocation to promote, can untie the brake, however, this also has a problem, in order to guarantee the stationarity, normally all four universal wheels are all died of stopping, avoid sliding, so relatively more troublesome, need four wheels all to operate, consequently, how make things convenient for the quick travel of work table, be the problem that this field technical staff urgently needed to solve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lifting and travelling mechanism of a working table, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a work table lift running gear, includes square underframe and installs the truckle at the underframe lower extreme, the upside of underframe is provided with the square lifting frame that is used for supporting the work table, and lifting frame stretches out underframe after-fixing a plurality of supporting legs that are decurrent to the left and right sides, both ends all are fixed with the pushing hands of falling "U" type about the lifting frame.

Still including setting up the rotary mechanism that drives the lift-and-drop frame through rotatory jack-up and set up and carry out the guiding mechanism of vertical direction between lift-and-drop frame and underframe.

Preferably, rotary mechanism is including rotating the pivot of connecting about setting in the middle of the lift frame bottom, and the left end of pivot is provided with ascending pendulum rod, be provided with the layer board that is located the pivot below on the inner chamber left and right sides wall of underframe respectively, and the upper end rear side of layer board is provided with the backplate, the upper end front side of layer board is provided with preceding baffle, and the lower extreme of pivot is fixed with the bar board that is located between backplate and the preceding baffle, and the horizontal distance of preceding baffle to the pivot is less than the horizontal distance of backplate to the pivot to can hold up the lift frame when the bar board rotates the front side.

Preferably, the bar plate is arranged into a left layer and a right layer.

Preferably, the lower end of the lever plate is in a circular arc shape convenient to rotate.

Preferably, the guide mechanism comprises a plurality of limiting fixed lead screws which are symmetrically fixed at the lower end of the lifting frame and penetrate through the bottom frame downwards.

Preferably, the lower end of the limiting fixed screw rod is connected with a nut for preventing falling through threads.

Compared with the prior art, the utility model has the beneficial effects that: the lifting frame is put to the work table, normal state, four supporting legs land, it is more steady, when needing to remove, utilize lever principle, rotate the pendulum rod, the pendulum rod drives the lever plate rotation through the pivot, from the rear side to the front side, hold up lifting frame and work table, thereby hold up the supporting leg, break away from ground, make the truckle slide on ground, here only need operate the pendulum rod can, do not need to make a round trip to walk about, and is simple and convenient, and convenient for move, in addition, here the pendulum rod is longer, utilized lever principle, it is more laborsaving.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is an isometric view of the present invention;

fig. 4 is an isometric view of the lift frame of the present invention after it has been raised.

In the figure: 1. a bottom frame; 11. a caster wheel; 12. a lifting frame; 13. supporting legs; 14. a pushing handle; 2. a rotating shaft; 21. a swing rod; 22. a support plate; 23. a tailgate; 24. a front baffle; 25. a lever plate; 3, limiting and fixing a lead screw; 31. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution of a lifting and traveling mechanism for a work table: the utility model provides a work table lift running gear, includes square underframe 1 and installs truckle 11 at underframe 1 lower extreme, and the upside of underframe 1 is provided with square be used for supporting the carriage 12 of work table, and carriage 12 stretches out underframe 1 rearwards to the left and right sides and is fixed with decurrent a plurality of supporting legs 13, and both ends all are fixed with the pushing hands 14 of falling "U" type about carriage 12.

The lifting frame further comprises a rotating mechanism which is arranged between the lifting frame 12 and the bottom frame 1 and drives the lifting frame 12 to ascend through rotating jacking, and a guide mechanism which is arranged between the lifting frame 12 and the bottom frame 1 and used for vertical guide.

The rotating mechanism comprises a rotating shaft 2 which is rotatably connected to the left side and the right side in the middle of the bottom of the lifting frame 12, an upward swing rod 21 is arranged at the left end of the rotating shaft 2, supporting plates 22 which are located below the rotating shaft 2 are respectively arranged on the left wall and the right wall of an inner cavity of the bottom frame 1, a rear baffle 23 is arranged on the rear side of the upper end of each supporting plate 22, a front baffle 24 is arranged on the front side of the upper end of each supporting plate 22, a lever plate 25 which is located between the rear baffle 23 and the front baffle 24 is fixed at the lower end of the rotating shaft 2, and the horizontal distance from the front baffle 24 to the rotating shaft 2 is smaller than that from the rear baffle 23 to the rotating shaft 2, so that the lifting frame 12 can be supported when the lever plate 25 rotates the front side. The distance is different from front to back, that is to say, when the lever plate 25 is located the rear side, the lifting frame 12 supports on the underframe 1, when turning to the front side, because the distance reduces, consequently, the lever plate 25 more tends to vertical, holds up the lifting frame 12 to make supporting leg 13 liftoff, be convenient for remove. The lever plate 25 is provided in two layers, left and right. The supporting force is large, and the stability is good. The lower end of the lever plate 25 is in the shape of a circular arc convenient to rotate. The friction is reduced, and the swing rod 21 is convenient to rotate.

The guide mechanism comprises a plurality of limiting fixed screw rods 3 which are symmetrically fixed at the lower end of the lifting frame 12 and downwards penetrate through the bottom frame 1. Carry out vertical direction through spacing fixed screw 3, the lifting frame 12 of being convenient for is vertical removal on underframe 1, has seted up the guiding hole on underframe 1. The lower end of the limiting fixed screw rod 3 is connected with a nut 31 for preventing falling off through threads. The anti-dropping device is used, in addition, the part of the limiting fixed screw rod 3 contacted with the guide hole is not provided with threads, and the threads are only arranged at the bottom, so that the influence on the vertical movement is avoided.

The working principle is as follows: on lifting frame 12 was put to the work table, normal condition, four supporting legs 13 landed, it is more steady, when needing to remove, utilize lever principle, rotate pendulum rod 21, pendulum rod 21 drives the bar plate 25 rotation through pivot 2, from the rear side to the front side, hold up lifting frame 12 and work table, thereby hold up supporting leg 13, break away from ground, make truckle 11 slide on ground, here only need operate pendulum rod 21 can, do not need to make a round trip to walk about, and is simple and convenient, and convenient for moving, in addition, here pendulum rod 21 is longer, utilized lever principle, it is more laborsaving.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a work table lift running gear, includes square underframe (1) and installs truckle (11) at underframe (1) lower extreme, its characterized in that: a square lifting frame (12) for supporting the work table is arranged on the upper side of the bottom frame (1), a plurality of downward supporting legs (13) are fixed after the lifting frame (12) extends out of the bottom frame (1) towards the left side and the right side, and an inverted U-shaped push handle (14) is fixed at each of the left end and the right end of the lifting frame (12);

the lifting frame lifting mechanism further comprises a rotating mechanism which is arranged between the lifting frame (12) and the bottom frame (1) and drives the lifting frame (12) to ascend through rotating jacking, and a guide mechanism which is arranged between the lifting frame (12) and the bottom frame (1) and used for vertical guide.

2. A work table lifting and lowering mechanism as defined in claim 1, wherein: the rotary mechanism comprises a rotary shaft (2) which is rotatably connected to the left side and the right side in the middle of the bottom of the lifting frame (12) and is arranged on the left end of the rotary shaft (2), an upward swing rod (21) is arranged at the left end of the rotary shaft (2), supporting plates (22) located below the rotary shaft (2) are respectively arranged on the left wall and the right wall of an inner cavity of the bottom frame (1), a rear baffle (23) is arranged on the rear side of the upper end of each supporting plate (22), a front baffle (24) is arranged on the front side of the upper end of each supporting plate (22), a lever plate (25) located between each rear baffle (23) and each front baffle (24) is fixed at the lower end of each rotary shaft (2), and the horizontal distance from each front baffle (24) to each rotary shaft (2) is smaller than the horizontal distance from each rear baffle (23) to each rotary shaft (2), so that the lifting frame (12) can be supported when the lever plate (25) rotates the front side.

3. A work table lifting and lowering mechanism as defined in claim 2, wherein: the lever plate (25) is arranged into a left layer and a right layer.

4. A work table lifting and lowering mechanism as defined in claim 3, wherein: the lower end of the lever plate (25) is in a circular arc shape convenient to rotate.

5. A work table lifting and lowering mechanism as defined in claim 4, wherein: the guide mechanism comprises a plurality of limiting fixed lead screws (3) which are symmetrically fixed at the lower end of the lifting frame (12) and downwards penetrate through the bottom frame (1).

6. A work table lifting and lowering mechanism as defined in claim 5, wherein: the lower end of the limiting fixed lead screw (3) is in threaded connection with a nut (31) for preventing falling.