Disclosure of Invention
The invention aims to solve the defects of the technology and provide the lifting workbench which is simple in structure, small in material consumption, convenient to assemble and good in stability.
The invention provides a lifting workbench which comprises a table plate and a base, wherein a lifting arm assembly is arranged between the table plate and the base and comprises at least one first lifting arm and at least one second lifting arm, the first lifting arm and the second lifting arm are hinged into an X shape, the upper end of the first lifting arm is hinged with the bottom of the table plate, the lower end of the first lifting arm is provided with a first cross rod, two ends of the first cross rod are connected with the base in a sliding mode, the lower end of the second lifting arm is hinged with the base, the upper end of the second lifting arm is provided with a second cross rod, two ends of the second cross rod are connected with the table plate in a sliding mode, and an air spring is arranged between the first lifting arm and the second lifting arm.
In order to improve stability, the second lifing arm outside is equipped with the bracing piece, bracing piece upper end is articulated bottom the table, the bracing piece lower extreme is articulated with the articulated department of first lifing arm and second lifing arm, the second lifing arm is close to or covers the horizontal central line of table in the table projection from bottom to top, second lifing arm upper end sets up the position that is close to the edge at table one end, first lifing arm upper end sets up the position that is close to the edge at the table other end, bracing piece upper end hinge point and first lifing arm upper end pin joint are concentric, the second horizontal pole extends along the direction that is close to first lifing arm, first horizontal pole extends with the opposite direction of second horizontal pole.
In order to achieve better stability and firmer connection, the first lifting arm and the second lifting arm are both plate-shaped, a gap is reserved between the projections of the first lifting arm and the second lifting arm on the table plate from bottom to top, the projection of the gas spring on the table plate from bottom to top is arranged in the gap, the upper end of the gas spring is hinged to the position, close to the hinged part, of the inner side of the second lifting arm, and the lower end of the gas spring is hinged to the position, close to the lower end, of the inner side of the first lifting arm; the first lifting arm is welded and fixed with the first cross rod, and the second lifting arm is welded and fixed with the second cross rod.
For the more smooth and easy slip, go up and down more stably, be equipped with at least a pair of first slide rail on the base, first horizontal pole both ends are equipped with at least one along the gliding first gyro wheel of first slide rail, and the table bottom is equipped with at least a pair of second slide rail, and second horizontal pole both ends are equipped with at least one along the gliding second gyro wheel of second slide rail, the interval between a pair of first slide rail be greater than the interval between a pair of second slide rail.
In order to control the gas spring conveniently, a gas spring manual switch connected with the gas spring is installed at a position, close to the edge, of one end of the table plate.
In order to place the keyboard, a keyboard rack is arranged below the desk plate, and the keyboard rack protrudes outwards and is parallel to the desk plate.
In order to save materials and reduce weight, the base is a rectangular frame, and the first sliding rail is arranged on the inner side of the rectangular frame.
In order to improve the supporting force and prevent toppling, the base is provided with supporting legs protruding along the direction of the keyboard rack.
In order to prevent the first roller and the second roller from being separated, both ends of the first slide rail and both ends of the second slide rail are provided with limiting parts.
In order to prevent slipping and wear and facilitate the placement of articles, rubber pads are arranged at the bottoms of the base and the keyboard rack, and a long strip-shaped placing groove is formed in the table plate.
The lifting workbench provided by the invention has the following advantages: simple structure, the material is few, and folding back is small light in weight, can realize the electrodeless regulation of height, and the suitability is good, and ergonomic design is fit for official working study, and convenient to use labour saving operation, the lifing arm and be connected the rationally distributed of horizontal pole with it, guarantee can the stable support desktop focus, the air spring is not fragile and can play stable support and locking effect to two lifing arms, and the stability of electrodeless lift is high.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Example 1:
the lifting workbench provided by the embodiment comprises a table plate 1 and a base 2, wherein a lifting arm assembly 3 is arranged between the table plate 1 and the base 2, the lifting arm assembly 3 comprises at least one first lifting arm 4 and at least one second lifting arm 5, the first lifting arm 4 and the second lifting arm 5 are hinged into an X shape, the upper end of the first lifting arm 4 is hinged to the bottom of the table plate 1, a first cross rod 6 is arranged at the lower end of the first lifting arm 4, two ends of the first cross rod 6 are slidably connected with the base 2, the lower end of the second lifting arm 5 is hinged to the base 2, a second cross rod 7 is arranged at the upper end of the second lifting arm 5, two ends of the second cross rod 7 are slidably connected with the table plate 1, and an air spring 8 is arranged between the first lifting arm 4 and the second lifting arm 5. In this embodiment, a first lifting arm 4 and a second lifting arm 5 are used.
Through the design, the lower end of the first lifting arm 4 and the upper end of the second lifting arm 5 are respectively provided with the first cross rod 6 and the second cross rod 7, the single-point support is changed into multi-point support and even line support through the first cross rod 6 and the second cross rod 7, the support performance is better, the stability is higher, the stability of the single-group X-shaped lifting arm is comparable to that of the double-group X-shaped lifting arm, the structure is simplified, the parts are reduced, the assembly is more convenient, the production efficiency is improved, the material is saved, the weight is reduced, the stress effect of the table plate 1 is better, the air spring 8 can realize stepless adjustment of the height, the table plate is suitable for various working postures of people with different heights, the lifting is smooth and smooth, no clamping stagnation exists, the noise is low, the operation is labor-saving, when in use, the lifting arm component 3 moves in a scissor-shaped manner, the first cross rod 6 and the second cross rod 7 slide simultaneously, the table board 1 can be driven to ascend and descend, and the lifting function is realized.
The device simple structure, materials are few, and folding back is small light in weight, can realize the electrodeless regulation of height, and the suitability is good, and ergonomic design is fit for official working study, convenient to use easy operation laborsaving.
Example 2:
in order to improve stability, as shown in fig. 3 to 5, in addition to the features described in embodiment 1, a support rod 9 is disposed outside the second lifting arm 5, an upper end of the support rod 9 is hinged to the bottom of the table 1, a lower end of the support rod 9 is hinged to a hinge of the first lifting arm 4 and the second lifting arm 5, the second lifting arm 5 is projected on the table 1 from bottom to top and is close to or covers a transverse center line of the table 1, an upper end of the second lifting arm 5 is disposed at a position of one end of the table 1 close to an edge, an upper end of the first lifting arm 4 is disposed at a position of the other end of the table 1 close to the edge, a hinge point of the upper end of the support rod 9 is concentric with a hinge point of the upper end of the first lifting arm 4, the second cross rod 7 extends in a direction close to the first lifting arm 4, and the first cross rod 6 extends in a direction opposite to the second cross rod 7.
In order to achieve better stability and more firm connection, the first lifting arm 4 and the second lifting arm 5 are both plate-shaped, a gap is reserved between the projections of the first lifting arm 4 and the second lifting arm 5 on the table plate 1 from bottom to top, the projection of the gas spring 8 on the table plate 1 from bottom to top is arranged in the gap, the upper end of the gas spring 8 is hinged to the position, close to the hinged position, on the inner side of the second lifting arm 5, and the lower end of the gas spring 8 is hinged to the position, close to the lower end, on the inner side of the first lifting arm 4; the first lifting arm 4 is fixedly welded with the first cross rod 6, and the second lifting arm 5 is fixedly welded with the second cross rod 7. First lifting arm 4, second lifting arm 5 in this embodiment all adopt square pipe, and square pipe width is 70mm, and highly is 20 mm.
For smoother sliding and more stable lifting, at least one pair of first slide rails 10 are arranged on the base 2, at least one first roller 11 sliding along the first slide rails 10 is arranged at two ends of the first cross rod 6, at least one pair of second slide rails 12 is arranged at the bottom of the table board 1, at least one second roller 13 sliding along the second slide rails 12 is arranged at two ends of the second cross rod 7, and the distance between the pair of first slide rails 10 is larger than the distance between the pair of second slide rails 12. In the present embodiment, a pair of first slide rails 10 and a pair of second slide rails 12 are adopted, and a pair of first rollers 11 and a pair of second rollers 13 are matched.
In order to control the gas spring 8 conveniently, a gas spring manual switch 14 connected with the gas spring 8 is arranged at one end of the table board 1 close to the edge.
Through the design, the supporting rod 9 can play a role of auxiliary supporting and fixing, a single fixed hinge joint point at the upper end of the first lifting arm 4 at one side of the bottom of the table plate 1 is added with a fixed hinge joint point at the upper end of the supporting rod 9, so that one side of the bottom of the table plate 1 is changed into two fixed hinge joints, which is more stable and firm, the bottom of the table plate 1 is changed into two fixed points at one side and two sliding points at the other side, four-point connection is adopted, so that the table plate 1 is more stable and firm, the stress effect is better, the vibration generated during lifting is reduced, the projection of the second lifting arm 5 on the table plate 1 from bottom to top is close to or covers the transverse central line of the table plate 1, so that the stress on the table plate 1 finally downwards along the second lifting arm 5, namely downwards along the center, the stability is improved, the upper end of the second lifting arm 5 is arranged at the position, which is close to the edge, the upper end of the first lifting arm 4 is arranged at the position, which is close to the edge, at the other end of the table plate 1, the table plate 1 is close to the edge of the connecting point of the first lifting arm 4 and the second lifting arm 5, the whole table plate 1 is well supported, the stress on the table plate 1 is basically in the frame formed by the connecting points, the stability is high, the hinge point at the upper end of the support rod 9 is concentric with the hinge point at the upper end of the first lifting arm 4, the support rod 9 and the first lifting arm 4 can synchronously rotate, the clamping risk caused by the asynchronous connection of the support rod 9 and the first lifting arm 4 is reduced, the stability is improved, the second cross rod 7 extends along the direction close to the first lifting arm 4, the stress point of the second cross rod 7 is close to the stress point at the upper end of the first lifting arm 4, the stability is good, the first cross rod 6 extends in the opposite direction to the second cross rod 7, the stress point of the first cross rod 6 is close to the stress point at the lower end of the second lifting arm 5, the stability is good, and the first cross rod 6 and the second cross rod 7 are both close to the central line of the table plate 1, the integral stress effect is improved, the stability is enhanced, the two lifting arms and the positions of the cross rods connected with the lifting arms are reasonably distributed, so that the gravity center of the table top can be stably supported by the two lifting arms, and the bearing capacity of the table top is improved; the first lifting arm 4 and the second lifting arm 5 are both plate-shaped, the plate-shaped structure keeps bearing capacity and is light in weight, the air spring 8 is arranged between the two lifting arms, the lifting arms on two sides can be well protected, damage to the air spring 8 due to collision is avoided, the air spring 8 can play a role in stably supporting and locking the two lifting arms while playing a lifting assisting effect, and the stability of stepless lifting and the bearing capacity of a table top are further improved; the first lifting arm 4 is fixedly welded with the first cross rod 6, the second lifting arm 5 is fixedly welded with the second cross rod 7, and the welding structure is firm and strong in bearing capacity; the first slide rail 10 is matched with the first roller 11 for use, the sliding is smoother, the first slide rail 10 or the first roller 11 can be directly replaced after being damaged, the maintenance is convenient, the second slide rail 12 is matched with the second roller 13 for use, the sliding is smoother, the second slide rail 12 and the second roller 13 can be directly replaced after being damaged, the maintenance is convenient, the distance between the slide rails is small at the top and large at the bottom, the mutual abdicating can be formed when the workbench is lowered to the bottom, the interference between the two pairs of slide rails is avoided, and the stability of the base for supporting the desktop through the two lifting arms can be further improved; the gas spring hand switch 14 is arranged at the edge of the table board 1, so that the use is more convenient for users.
Example 3:
in order to facilitate the placement of the keyboard, as shown in fig. 6, 7 and 8, in addition to the features of embodiment 2, the lifting workbench provided in this embodiment is provided with a keyboard rack 15 below the table board 1, and the keyboard rack 15 protrudes outward and is parallel to the table board 1.
In order to save materials and reduce weight, the base 2 is a rectangular frame, and the first slide rail 10 is arranged inside the rectangular frame.
In order to improve the supporting force and prevent the base frame 2 from falling, supporting legs 16 protruding in the direction of the keyboard rack 15 are provided on the base frame 2.
In order to prevent the first roller 11 and the second roller 13 from falling off, the two ends of the first slide rail 10 and the two ends of the second slide rail 12 are provided with a limiting member 17.
In order to prevent slipping and wear and facilitate the placement of articles, the bottoms of the base 2 and the keyboard rack 15 are provided with rubber pads 18, and the table plate 1 is provided with a long strip-shaped placing groove 19.
Through the design, the keyboard frame 15 is used for placing a keyboard, and the keyboard frame 15 protrudes outwards and downwards and is parallel to the table board 1, so that the keyboard frame 15 does not interfere with the table board 1, and the keyboard can be placed and used conveniently; the base 2 is a rectangular frame, so that materials are saved and weight is reduced while supporting strength is maintained, and the strength of the rectangular frame can be enhanced by arranging the first slide rail 10 on the inner side of the rectangular frame; the keyboard frame 15 protrudes outwards, so that the center of gravity is outward, and the supporting legs 16 protrude in the direction of the keyboard frame 15, so that the supporting force can be improved, and the keyboard frame is prevented from toppling; the limiting piece 17 can limit the moving distance of the first roller 11 and the second roller 13 in the first slide rail 10 and the second slide rail 12, and prevent the first roller 11 and the second roller 13 from falling off; the rubber mat 18 can play the wear-resisting effect of antiskid, prevents that base 2 from direct and desktop contact from damaging the desktop, and rectangular shape standing groove 19 is convenient for place the cell-phone flat board etc..
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.