CN211269128U

CN211269128U - Good lift stand of stability and lift table

Info

Publication number: CN211269128U
Application number: CN201921690308.8U
Authority: CN
Inventors: 李文韬; 张东行
Original assignee: Zhejiang Jiecang Linear Motion Technology Co Ltd
Current assignee: Zhejiang Jiecang Linear Motion Technology Co Ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-08-18
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a good lift stand of stability and lift table belongs to the elevating system field, including the telescopic tube with be located the mounting box of telescopic tube top, the welding nugget on the mounting box diapire, be equipped with a plurality of inserted sheets that distribute along circumference on the telescopic tube top, be equipped with on the nugget and supply inserted sheet male first slot, be equipped with on the mounting box diapire and supply inserted sheet male second slot, the inserted sheet inserts first slot and second slot in proper order after, telescopic tube and welding nugget welding, inserted sheet and mounting box diapire welding, adopt above-mentioned structure, make the ability that the lift stand resisted external force stronger, the intensity of lift stand has been improved, thereby the stability of lift table has been improved, and simultaneously, the positioning effect is better, more make things convenient for processing such as welding.

Description

Good lift stand of stability and lift table

[ technical field ] A method for producing a semiconductor device

The utility model relates to an elevating system field, concretely relates to good lift stand of stability and lift table.

[ background of the invention ]

The lifting table is characterized in that a lifting table frame is arranged below a table top, the lifting table frame is used for supporting the lifting table, lifting columns serving as table legs and adjusting the height of the table top through stretching are arranged below the lifting table frame, the lifting columns serve as the core of the whole lifting table, the stability of the lifting columns is poor, the table top can shake, the integral performance and the use experience of the lifting table are affected, the lifting columns generally comprise telescopic pipes and mounting boxes located at the tops of the telescopic pipes, the lifting columns are fixed on the table frame through the mounting boxes, therefore, the connection strength of the lifting column and the mounting box has a crucial influence on the stability of the lifting column, the top end of the lifting column is directly welded on the bottom wall of the mounting box in the current connection mode, in the process of pushing and pulling the desktop, due to the fact that the extrusion generates shearing force, the bottom wall of the mounting box is not enough in strength to generate distortion deformation, or the welding position of the top end of the lifting column and the bottom wall of the mounting box is broken, so that the shaking is caused, the stability is influenced, in order to enhance the strength of the bottom wall of the mounting box, welding blocks are arranged on the bottom wall of the mounting box by some manufacturers, after the welding blocks are welded with the bottom wall of the mounting box, the top end of the lifting column is directly welded on the welding blocks, but in order not to influence the attractiveness, only the outer ring of the welding blocks is welded, the middle of the welding blocks and the bottom wall is still of a.

[ summary of the invention ]

The utility model aims to solve the technical problem of overcoming the defects in the prior art and designing a lifting upright post and a lifting table with good stability.

Solve above-mentioned technical problem, utility model adopts a technical scheme does:

the utility model provides a good lift stand of stability, includes telescopic tube and the mounting box that is located the telescopic tube top, welds the splice on the mounting box diapire, be equipped with a plurality of inserted sheets that distribute along circumference on the telescopic tube top, be equipped with on the splice and supply inserted sheet male first slot, be equipped with on the mounting box diapire and supply inserted sheet male second slot, after the inserted sheet inserted first slot and second slot in proper order, telescopic tube and splice welding, inserted sheet and mounting box diapire welding.

Preferably, the periphery of the welding block is welded with the bottom wall of the mounting box.

Preferably, the inserting sheet and the telescopic sleeve are integrally formed.

Preferably, the height of the insert is h, the thickness of the welding block is 1, and the thickness of the bottom wall of the mounting box is 2, wherein h is more than 1 and less than 1+ 2.

Preferably, the inserting sheet is filled and welded with the second slot on the inner side of the bottom wall of the mounting box.

Preferably, the telescopic sleeve comprises an outer pipe, a middle pipe and an inner pipe which are sequentially sleeved, a sliding block is arranged between the two adjacent pipes, and the sliding block and the two pipes are in interference fit.

Preferably, a transmission assembly for driving the telescopic sleeve to stretch is arranged in the telescopic sleeve, a ground pin is arranged below the telescopic sleeve, a double-bottom plate is arranged at the bottom end of an inner cavity of the inner tube, and the double-bottom plate comprises an upper bottom plate for locking the transmission assembly and a lower bottom plate for locking the ground pin.

Preferably, the upper bottom plate is provided with two or more through holes, and the lower bottom plate is provided with two or more threaded holes.

Preferably, the inner pipe is a square pipe, the length of the cross section of the square pipe is L, L is less than or equal to 40mm, the diameter of the through hole is d1, d1 is greater than or equal to 4.2mm, the diameter of the threaded hole is d2, and d2 is 6mm or 8 mm.

Another technical scheme that utility model adopted does:

a lifting table comprises a table top, wherein the lifting upright column in any scheme is arranged below the table top.

Adopt utility model's beneficial effect:

1. adopt above-mentioned structure, telescopic tube and welding block and mounting box diapire double-welded have strengthened joint strength, and inserted sheet on the telescopic tube pegs graft respectively with welding block and mounting box diapire, and first slot has the firm effect of keeping out with the second slot to telescopic tube, reduces the range of rocking relatively that pushes away, produce when pulling, prevents phenomenons such as rupture, makes the ability that the lift stand resisted external force stronger, has improved the intensity of lift stand to the stability of lift table has been improved.

2. Inserting position of the inserting piece of the telescopic pipe, for overlapping department in the middle of welding block and mounting box diapire, overlap department through the welding and increased many places fixed connection point in the middle, the welding on every side of the welding block is reunited, make welding block and mounting box diapire connect closely, it is even as an organic whole, the separation of overlapping department in the middle of avoiding prior art, cause the hollow portion grow, the phenomenon of mutual dislocation appears, the intensity of mounting box diapire has been strengthened, prevent that it from taking place to warp at push-and-pull desktop in-process, the stability of lift table has further been improved.

3. The inserted sheet inserts back in first slot and the second slot, has firm effect to the telescopic tube upper end, and with the clamping device cooperation of the other end, the location effect is better, more makes things convenient for processing such as welding.

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 three-dimensional structure of a lifting column of the utility model.

Fig. 2 is an exploded view of the lifting column of the utility model.

Fig. 3 is a schematic diagram of the structure of the utility model with the insertion piece inserted into the second slot at the top end of the outer tube.

Figure 4 is utility model lifting column partial section view.

Fig. 5 is an enlarged view of a portion a in fig. 4.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and illustrated 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, those skilled in the art can obtain other embodiments without creative efforts, and all of them belong to the protection scope of the utility model.

In the following description, the terms such as "inner", "outer", "upper", "lower", "left", "right", etc., which indicate orientations or positional relationships, are used for convenience in describing embodiments and simplifying descriptions, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

The first embodiment is as follows:

as shown in fig. 1 to 5, a good lift stand of stability, including telescopic tube 1 and the mounting box 2 that is located telescopic tube 1 top, welding lug 3 on 2 diapalls of mounting box, be equipped with a plurality of inserted sheets 101 that distribute along circumference on the telescopic tube 1 top, be equipped with on the welded block 3 and supply inserted sheet 101 male first slot 301, be equipped with on 2 diapalls of mounting box and supply inserted sheet 101 male second slot 201, inserted sheet 101 inserts first slot 301 and second slot 201 back in proper order, telescopic tube 1 welds with welding lug 3, inserted sheet 101 welds with 2 diapalls of mounting box.

Adopt above-mentioned structure,

telescopic tube

1 and 2 diapire double-welded of solder block 3 and mounting box, joint strength has been strengthened, and inserted sheet 101 on the telescopic tube 1 is pegged graft respectively with 2 diapalls of solder block 3 and mounting box, first slot 301 has the firm effect of keeping out with second slot 201 to telescopic tube 1, the reduction pushes away, the range of rocking relatively that produces when drawing, prevent phenomenons such as rupture, make the ability that the lift stand resisted external force stronger, the intensity of lift stand has been improved, thereby the stability of lift table has been improved. Inserted sheet 101 of telescopic tube 1 inserts the position, for overlap department in the middle of

welding piece

3 and 2 diapire of mounting box, overlap department in the middle of welding and increased many places fixed connection point, the welding on every side of the welding piece 3 that reunion, make

welding piece

3 and 2 diapire of mounting box connect closely, it is even as an organic whole, the separation of the department of overlapping in the middle of avoiding prior art, cause the hollow portion grow, the phenomenon of mutual dislocation appears, the intensity of 2 diapalls of mounting box has been strengthened, prevent that it from taking place to warp at push-and-pull desktop in-process, the stability of lift table has further been improved. After the inserting sheet 101 is inserted into the first slot 301 and the second slot 201, the upper end of the telescopic sleeve 1 is stabilized, and the upper end of the telescopic sleeve is matched with the clamping device at the other end, so that the positioning effect is better, and the welding and other processing are more convenient.

In order to secure the connection strength and prevent the insert 101 from being detached from the telescopic tube 1, as shown in fig. 2, the insert 101 is integrally formed with the telescopic tube 1 as a part of the telescopic tube 1 at the time of injection molding.

In order to facilitate welding and not influence the overall aesthetic degree as much as possible, the periphery of the welding block 3 is welded with the bottom wall of the mounting box 2, and the telescopic sleeve 1 and the welding block 3 are combined with double welding of the bottom wall of the mounting box 2 to form triple welding connection of the telescopic sleeve 1 and the mounting box 2, so that the connection is firm and the stability is higher, the welding of the telescopic sleeve 1 and the welding block 3, the welding of the periphery of the welding block 3 and the bottom wall of the mounting box 2 all use laser fillet welding, the welding of the inserting piece 101 and the bottom wall of the mounting box 2 use filling welding, the welding structure diagram is not shown, the height of the inserting piece 101 is h, the thickness of the welding block 3 is 1, the thickness of the bottom wall of the mounting box 2 is 2, h is more than 1 and less than 1+2, for size reasons, the insert 101 cannot fill the second slot 201 after being inserted into the second slot 201, as shown in figures 3-5, a groove 4 is left on the inner side of the bottom wall of the mounting box 2, and the groove 4 is filled with solder for filling welding.

As shown in fig. 2, telescopic tube 1 includes outer tube 102, well pipe 103 and the inner tube 104 that cup joints in proper order, inserted sheet 101 is established on the top of outer tube 102, in order to guarantee the stability of adjacent sleeve pipe in lift in-process and when supporting, prevent to rock, be equipped with slider 5 between two adjacent pipes, slider 5 and two equal interference fit of pipe, slider 5's installation position and specific structure have been disclosed in this patentee's another application publication is CN 104863937A's chinese patent document, no longer describe in this embodiment one by one, can understand, above-mentioned slider 5 also can use the slider 5 of other structures, as long as can satisfy the demand of installation and use can.

In order to meet different use requirements of customers, the inner pipe 104 of the telescopic pipe 1 can be of different types and have different pipe diameters, a transmission assembly for driving the telescopic pipe 1 to stretch is arranged in the telescopic pipe 1, a ground foot is arranged below the telescopic pipe 1, a bottom plate is usually required to be arranged in the inner pipe 104, and a hole is formed in the bottom plate so as to conveniently install and lock the transmission assembly and the ground foot, the inner pipe 104 in the embodiment adopts a square pipe, the cross section of the square pipe is L which is less than or equal to 40mm under the requirements of improving the attractiveness, saving materials and reducing the weight, the diameter d1 of a through hole which is usually used for locking the transmission assembly is more than or equal to 4.2mm, the diameter d2 of a threaded hole is 6mm or 8mm, in order to prevent shaking, the locking holes are more than or more than two, in order to achieve the purpose of long, because a bottom plate is arranged in the square pipe of the inner pipe 104, eight or more mounting holes cannot be formed, and therefore, as shown in fig. 2, in the present scheme, a double bottom plate is arranged at the bottom end of the inner cavity of the inner pipe 104, a through hole 601 is formed in the upper bottom plate 6 for locking the transmission assembly, and a threaded hole 701 is formed in the lower bottom plate 7 for locking the anchor.

Example two:

a lifting table comprises a table top, wherein the lifting upright column in the first embodiment is arranged below the table top.

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

1. The utility model provides a good lift stand of stability, includes telescopic tube and the mounting box that is located the telescopic tube top, welds the splice on the mounting box diapire, a serial communication port, be equipped with a plurality of inserted sheets that distribute along circumference on the telescopic tube top, be equipped with on the splice and supply inserted sheet male first slot, be equipped with on the mounting box diapire and supply inserted sheet male second slot, after the inserted sheet inserted first slot and second slot in proper order, telescopic tube and splice welding, inserted sheet and mounting box diapire welding.

2. The lifting column with good stability as claimed in claim 1, wherein the outer periphery of the welding block is welded to the bottom wall of the mounting box.

3. The lifting column with good stability as claimed in claim 1, wherein the inserting sheet and the telescopic tube are integrally formed.

4. The lifting column with good stability as claimed in claim 1, wherein the height of the insertion piece is h, the thickness of the solder block is 1, and the thickness of the bottom wall of the mounting box is 2, 1 < h < 1+ 2.

5. The lifting column with good stability as claimed in claim 4, wherein the insert is welded to the second slot at the inner side of the bottom wall of the mounting box.

6. The lifting upright post with good stability as claimed in claim 1, wherein the telescopic tube comprises an outer tube, a middle tube and an inner tube which are sequentially sleeved, a sliding block is arranged between two adjacent tubes, and the sliding block and the two tubes are in interference fit.

7. The lifting column with good stability as claimed in claim 6, wherein a transmission assembly for driving the telescopic tube to extend and retract is arranged in the telescopic tube, a ground pin is arranged below the telescopic tube, a double bottom plate is arranged at the bottom end of the inner cavity of the inner tube, and the double bottom plate comprises an upper bottom plate for locking the transmission assembly and a lower bottom plate for locking the ground pin.

8. The lifting column with good stability as claimed in claim 7, wherein the upper base plate has two or more through holes, and the lower base plate has two or more threaded holes.

9. The lifting upright post with good stability as claimed in claim 8, wherein the inner tube is a square tube, the length of the cross section of the square tube is L, L is less than or equal to 40mm, the diameter of the through hole is d1, d1 is greater than or equal to 4.2mm, the diameter of the threaded hole is d2, and d2 is 6mm or 8 mm.

10. Lifting table comprising a table top, characterized in that a lifting column as claimed in any one of claims 1 to 9 is provided under the table top.