CN210124423U

CN210124423U - Office desk

Info

Publication number: CN210124423U
Application number: CN201920457483.6U
Authority: CN
Inventors: 徐桂芬; 韩秀丽
Original assignee: Changshu Bailian Photoelectric Technology Co Ltd
Current assignee: Changshu Bailian Photoelectric Technology Co Ltd
Priority date: 2019-04-05
Filing date: 2019-04-05
Publication date: 2020-03-06
Anticipated expiration: 2029-04-05

Abstract

The utility model belongs to the technical field of office tables, in particular to an office table, which comprises a table plate, a first supporting mechanism, a second supporting mechanism, a connecting supporting plate, a first upper supporting plate, a triggering mechanism and a second upper supporting plate, wherein in the using process of the office table, the up-and-down movement of a supporting telescopic inner rod in the first supporting mechanism and the second supporting mechanism relatively supporting a telescopic outer sleeve can be adjusted through manually adjusting the rotation of a driving gear, so as to adjust the height of the office table; the utility model realizes the lifting of the office desk through simple structure transmission, and saves labor in the adjusting process; and the utility model discloses in press from both sides tight gyro wheel through the regulation and to supporting the extrusion of flexible interior pole for support flexible overcoat of the relative support of flexible interior pole and can not take place the swing, the desk can not take place to rock easily after long-time the use promptly, and this desk is more firm.

Description

Office desk

Technical Field

The utility model belongs to the technical field of the desk, especially, relate to a desk.

Background

In the prior art, tables can be divided into two types, one type is a conventional common table, the common table can only realize the placement of articles and cannot randomly adjust the height of the table according to the requirements of people, so that the working efficiency of people is reduced to a certain extent, and the body of people is hurt; in summary, in order to solve the structural defects of the existing table, a manual lifting table with simple structure, reasonable design and convenient use needs to be designed. The utility model relates to an office table solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned defects in the prior art, the utility model discloses an office table, which is realized by adopting the following technical scheme.

In the description of the present invention, it should be noted that the terms "inside", "below", "upper" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed or operated in a specific position, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

An office table, characterized in that: the table comprises a table plate, a first supporting mechanism, a second supporting mechanism, a connecting supporting plate, a first upper supporting plate, a triggering mechanism and a second upper supporting plate, wherein the second upper supporting plate is installed on the upper side of the first supporting mechanism; the table plate is arranged on the upper sides of the first upper supporting plate, the second upper supporting plate and the connecting supporting plate; the first upper supporting plate, the second upper supporting plate and the connecting supporting plate are used for enabling the table board mounted on the first upper supporting plate to be more stable; the trigger mechanism is installed on first supporting mechanism and second supporting mechanism.

The first supporting mechanism comprises a limiting block, a lower supporting plate, an installation shell, a reset spring, a supporting telescopic outer sleeve, a supporting telescopic inner rod, a clamping groove, a tooth socket, a limiting groove, an inclined plane, a first support, an adjusting rod, a driving gear and a shaft hole, wherein the inner side surface of the supporting telescopic outer sleeve is provided with the clamping grooves which are uniformly distributed up and down; the support telescopic jacket is arranged on the upper side of the lower support plate; one side of the support telescopic inner rod is provided with a tooth socket which is communicated up and down, teeth are arranged in the tooth socket, and the support telescopic inner rod is controlled to move up and down by rotating the driving gear through the matching of the driving gear and the teeth in the tooth socket; the lower end of the support telescopic inner rod is provided with a limiting groove, the support telescopic inner rod is arranged on the support telescopic outer sleeve in a sliding fit mode, and the second upper support plate is arranged at the upper end of the support telescopic inner rod; the upper side surface of one end of the limiting block is provided with an inclined surface, and the inclined surface has the function that when the limiting block is driven by the support telescopic inner rod to move upwards, the limiting block can be pushed back into the limiting groove by the corresponding clamping groove through the inclined surface, so that the limiting block is prevented from influencing the upward movement of the support telescopic inner rod; the other end of the limiting block is arranged in a limiting groove formed in the telescopic supporting inner rod in a sliding fit mode, and a reset spring is arranged between one end, located on the inner side of the limiting groove, of the limiting block and the limiting groove; the reset spring plays a role in resetting the limiting block; one end of the limiting block with an inclined plane is matched with the clamping groove formed in the support telescopic outer sleeve; the upper end of the mounting shell is provided with a square through hole, one side of the mounting shell is provided with a shaft hole, the mounting shell is mounted at the upper end of the support telescopic outer sleeve, the adjusting rod is provided with a rod and a hand wheel, one end of the adjusting rod, provided with the rod, penetrates through the shaft hole in the mounting shell and is located on the inner side of the mounting shell, and the adjusting rod is mounted on the side face of the support telescopic outer sleeve through a first support; the driving gear is arranged on the rod on the adjusting rod and is meshed with teeth in tooth grooves on the telescopic inner supporting rod; the driving gear can be driven to rotate by driving the adjusting rod hand wheel to rotate; the driving gear rotates to drive the telescopic inner rod to move up and down.

The second support mechanism has a structure similar to that of the first support mechanism, except that a tooth socket is not arranged on a support telescopic inner rod in the second support mechanism, and a drive gear, an adjusting rod and a first support are not arranged in the second support mechanism; the first upper supporting plate is arranged at the upper end of a supporting telescopic inner rod in the second supporting mechanism.

The trigger mechanism controls the movement of the limiting blocks in the first supporting mechanism and the second supporting mechanism.

As a further improvement of the present technology, the mounting housings in the first and second supporting mechanisms are both provided with a threaded hole, and the tightening screw is mounted on the mounting housing in the mounting housings in the first and second supporting mechanisms by means of thread fit with the threaded hole on the mounting housing; the mounting frame is provided with a clamping roller, one side of the mounting frame is provided with a driving rack, the guide support is arranged in the mounting shell, and the guide support plays a role in guiding the driving rack; the two mounting frames are mounted in the mounting shell through the matching of the driving rack and the guide support, and the two clamping rollers are in contact fit with the two side surfaces of the corresponding support telescopic inner rod; the tightening screw is connected with one of the two mounting frames; the adjusting gear is installed in the installation shell through a first rotating shaft and is meshed with the two driving racks, and the two driving racks are located on the front side and the rear side of the adjusting gear; when the tightening screw rod is driven to rotate, the tightening screw rod can push the corresponding mounting rack to move under the action of the threads, the mounting rack moves to drive the clamping idler wheels to move towards one side of the support telescopic inner rod on one hand, and the mounting rack drives the corresponding driving rack to move on the other hand, the driving rack drives the other driving rack to move through the adjusting gear, the other driving rack drives the other mounting rack to move, and the mounting rack moves to drive the corresponding clamping idler wheels to move towards one side of the support telescopic inner rod; the support telescopic inner rod is extruded through the two clamping rollers, so that the support telescopic inner rod is prevented from being loosened after being used for a long time, and the table is rocked.

As a further improvement of the technology, two third guide grooves are symmetrically formed in two sides of the limiting groove, two third guide blocks are symmetrically arranged on two sides of the limiting block, and the limiting block is arranged on the support telescopic inner rod through the matching of the two third guide blocks and the two third guide grooves; the limiting block is guided by the matching of the two third guide blocks and the two third guide grooves.

As a further improvement of the technology, the trigger mechanism comprises a connecting plate, a driving plate and a connecting driving plate, wherein a second guide groove is formed in the connecting supporting plate; the first upper supporting plate is provided with a first square opening, the second upper supporting plate is provided with a first guide groove, and the lower side of the first guide groove is provided with a second square opening; avoidance guide grooves communicated with the limiting grooves are formed in the inner sides of the telescopic supporting inner rods in the first supporting mechanism and the second supporting mechanism respectively, the lower ends of the two connecting driving plates are installed on the limiting blocks in the first supporting mechanism and the second supporting mechanism respectively, and the two connecting driving plates are clearly matched with the corresponding avoidance guide grooves; the two connecting drive plates are connected through a connecting plate, the connecting plate penetrates through a second guide groove formed in the connecting support plate, and the two connecting drive plates respectively penetrate through a first square opening formed in the first upper support plate and a second square opening formed in the second upper support plate; the driving plate passes through a first guide groove formed in the second upper supporting plate and is connected with the connecting plate; when the driving plates are pushed manually, the driving plates drive the connecting plates to move, and the connecting plates drive the two connecting driving plates to move; two connection drive plate remove and drive two stopper removals for two stoppers break away from the spacing of corresponding draw-in groove, support flexible interior pole and can support flexible overcoat relatively and reciprocate.

As a further improvement of the technology, the support telescopic outer sleeve is provided with a first guide groove and a second guide groove, the support telescopic inner rod is provided with a first guide block and a second guide block, and the support telescopic inner rod is arranged on the support telescopic outer sleeve through the matching of the first guide block and the second guide block as well as the second guide groove and the first guide groove; the supporting telescopic inner rod is guided by the matching of the first guide block and the second guide block with the second guide groove and the first guide groove.

As a further improvement of the present technology, the return spring is a compression spring.

As a further improvement of the technology, the clamping roller is provided with a rubber jacket; the clamping of the supporting telescopic inner rod is more stable; the looseness of the telescopic inner rod can be prevented after long-time use.

As a further improvement of the technology, two symmetrical supporting ridges are respectively arranged between the two telescopic supporting inner rods and the first upper supporting plate and between the two telescopic supporting inner rods and the second upper supporting plate; the stability of the table board is ensured.

As a further improvement of the technology, the clamping roller is connected with the mounting frame through a bearing.

As a further improvement of the technology, the driving gear is fixedly mounted on the adjusting rod by welding.

The utility model discloses in when the drive gear among the first supporting mechanism of drive drives and supports flexible interior pole rebound, support flexible interior pole among the first supporting mechanism can pass through the second and go up the backup pad, backup pad and first support pad drive the flexible interior pole rebound of support among the second supporting mechanism, but because backup pad on the second, backup pad and first backup pad can lead to the support flexible interior pole rebound's of support among the second supporting mechanism delay among the relative first supporting mechanism of flexible interior pole rebound because self elasticity can lead to among the second supporting mechanism in the transmission process, but support flexible interior pole among the second supporting mechanism can rebound to same height or push up through artifical supplementary and remove to same height on the one hand after the flexible interior pole rebound of support among the first supporting mechanism is accomplished, the utility model discloses in, because support flexible interior pole rebound's of the flexible interior pole rebound of support among the first supporting mechanism support flexible interior pole rebound in the second supporting mechanism support flexible interior pole rebound still not have Before removing the completion, the backup pad supports alone on the table through the second, so the utility model discloses the width of backup pad is great on the width of backup pad is first relatively on the well second, guarantees that the table is removing the in-process, and the stability and the reliability of backup pad are gone up to the second.

Compared with the traditional office table technology, the office table designed by the utility model can adjust the telescopic inner supporting rods in the first supporting mechanism and the second supporting mechanism to relatively support the up-and-down movement of the telescopic outer sleeve by manually adjusting the rotation of the driving gear in the use process, thereby adjusting the height of the office table; the utility model realizes the lifting of the office desk through simple unilateral structure transmission and realizes high stability through bilateral structure; because the adjustment is carried out on one side, the labor is saved in the adjustment process; and the utility model discloses in through the extrusion of adjusting the tight gyro wheel of clamp to supporting flexible interior pole, the resistance is less when the design of gyro wheel has guaranteed flexible interior pole to rise for support flexible interior pole and support flexible overcoat and can not take place the swing relatively, the desk can not take place easily to rock after long-time the use promptly, and this desk is more firm.

Drawings

Fig. 1 is an external view of an entire part.

Fig. 2 is a schematic view of the overall component distribution.

Fig. 3 is a schematic view of the attachment support plate installation.

Fig. 4 is a schematic diagram of a connecting strut structure.

Fig. 5 is a schematic view of the trigger mechanism installation.

Fig. 6 is a schematic structural view of the trigger mechanism.

Fig. 7 is a schematic structural view of the first support mechanism.

Fig. 8 is a structural schematic diagram of the second support mechanism.

Fig. 9 is a schematic view of the internal structure of the first support mechanism.

Fig. 10 is a schematic view of a support telescoping jacket construction.

Fig. 11 is a schematic view of a structure for supporting a telescopic inner rod.

FIG. 12 is a schematic view of a spacing groove structure.

Figure 13 is a schematic view of the support telescoping inner pole installation.

Fig. 14 is a schematic view of stopper installation.

Fig. 15 is a drive gear mounting schematic.

Fig. 16 is a schematic view of a pinch roller arrangement.

Figure 17 is a schematic view of a pinch roller installation.

FIG. 18 is a schematic view of the adjustment lever installation.

Fig. 19 is a schematic view of the structure of the mounting case.

Number designation in the figures: 1. a table plate; 2. a first support mechanism; 3. a second support mechanism; 4. connecting the supporting plate; 5. a first upper support plate; 6. a first guide groove; 7. a trigger mechanism; 8. a second guide groove; 9. a first square port; 10. a second square mouth; 11. a second upper support plate; 12. a connecting plate; 13. a drive plate; 14. connecting a driving plate; 15. a limiting block; 16. a lower support plate; 17. tightening the screw; 18. mounting a shell; 19. clamping the roller; 20. a return spring; 21. supporting the telescopic outer sleeve; 22. supporting a telescopic inner rod; 23. a first guide groove; 24. a second guide groove; 25. a card slot; 26. a tooth socket; 27. a limiting groove; 28. a first guide block; 29. a second guide block; 30. avoiding a guide groove; 31. a third guide groove; 32. a bevel; 33. a third guide block; 34. a mounting frame; 35. a first support; 36. adjusting a rod; 37. a drive gear; 38. a guide support; 39. a drive rack; 40. a first rotating shaft; 41. an adjusting gear; 42. a threaded hole; 43. a shaft hole; 44. a square through opening; 45. supporting the spine.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples or figures are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1, the table comprises a table plate 1, a first supporting mechanism 2, a second supporting mechanism 3, a connecting supporting plate 4, a first upper supporting plate 5, a triggering mechanism 7 and a second upper supporting plate 11, wherein as shown in fig. 3, the second upper supporting plate 11 is installed on the upper side of the first supporting mechanism 2, the first upper supporting plate 5 is installed on the upper side of the second supporting mechanism 3, and the first upper supporting plate 5 is connected with the second upper supporting plate 11 through the connecting supporting plate 4; as shown in fig. 2, the table plate 1 is mounted on the upper sides of the first upper support plate 5, the second upper support plate 11 and the connection support plate 4; the first upper support plate 5, the second upper support plate 11 and the connecting support plate 4 are used for enabling the table board 1 mounted on the first upper support plate to be more stable; the trigger mechanism 7 is mounted on the first support mechanism 2 and the second support mechanism 3.

As shown in fig. 7 and 9, the first supporting mechanism 2 includes a limiting block 15, a lower supporting plate 16, an installation shell 18, a return spring 20, a supporting telescopic outer sleeve 21, a supporting telescopic inner rod 22, a clamping groove 25, a tooth socket 26, a limiting groove 27, an inclined surface 32, a first support 35, an adjusting rod 36, a driving gear 37, and a shaft hole 43, wherein as shown in fig. 10, the inner side surface of the supporting telescopic outer sleeve 21 is provided with clamping grooves 25 uniformly distributed up and down, the clamping grooves 25 are used for limiting the limiting block 15 through the clamping grooves 25 uniformly distributed up and down in the process of upward or downward adjustment of the supporting telescopic inner rod 22, so that the height of the table can be gradually increased or decreased, and after the adjustment is completed, the lower side straight surface of the limiting block 15 is matched with the straight surface of the clamping grooves 25 to support the telescopic inner rod 22; as shown in fig. 9, the support telescopic housing 21 is installed at the upper side of the lower support plate 16; as shown in fig. 11, one side of the support telescopic inner rod 22 is provided with a tooth socket 26 which penetrates up and down, teeth are arranged in the tooth socket 26, and the support telescopic inner rod 22 is controlled to move up and down by rotating the driving gear 37 through the matching of the driving gear 37 and the teeth in the tooth socket 26; as shown in fig. 12, the lower end of the support telescopic inner rod 22 is provided with a limiting groove 27, as shown in fig. 13, the support telescopic inner rod 22 is installed on the support telescopic outer sleeve 21 by sliding fit, and the second upper support plate 11 is installed at the upper end of the support telescopic inner rod 22; as shown in fig. 14, an inclined surface 32 is provided on the upper side surface of one end of the limiting block 15, and the inclined surface 32 functions to prevent the limiting block 15 from being pushed back into the limiting groove 27 by the corresponding clamping groove 25 through the inclined surface 32 when the limiting block 15 is driven by the telescopic inner rod 22 to move upward, so as to prevent the limiting block 15 from affecting the upward movement of the telescopic inner rod 22; the other end of the limiting block 15 is arranged in a limiting groove 27 formed in the support telescopic inner rod 22 in a sliding fit mode, and a return spring 20 is arranged between one end, located on the inner side of the limiting groove 27, of the limiting block 15 and the limiting groove 27; the return spring 20 plays a role in returning the limiting block 15; one end of the limiting block 15 with an inclined surface 32 is matched with the clamping groove 25 formed in the support telescopic outer sleeve 21; as shown in fig. 19, the upper end of the mounting shell 18 has a square through hole 44, one side of the mounting shell 18 is provided with a shaft hole 43, the mounting shell 18 is mounted at the upper end of the support telescopic outer sleeve 21, as shown in fig. 18, the adjusting rod 36 has a rod and a hand wheel, one end of the adjusting rod with the rod passes through the shaft hole 43 on the mounting shell 18 and is positioned at the inner side of the mounting shell 18, and the adjusting rod 36 is mounted on the side surface on the support telescopic outer sleeve 21 through the first support 35; as shown in fig. 15, the driving gear 37 is mounted on the rod of the adjusting rod 36, and the driving gear 37 is engaged with the teeth in the tooth socket 26 of the support telescopic inner rod 22; the driving gear 37 can be driven to rotate by driving the adjusting rod 36 to rotate through the handwheel; the up and down movement of the telescopic inner rod 22 is supported by the rotational driving of the driving gear 37.

As shown in fig. 8, the second support mechanism 3 is similar to the first support mechanism 2, except that the tooth socket 26 is not provided on the telescopic inner rod 22 of the second support mechanism 3, and the driving gear 37, the adjusting rod 36 and the first support 35 are not provided on the second support mechanism 3; the first upper support plate 5 is installed at the upper end of the second support mechanism 3 supporting the telescopic inner rod 22.

The trigger mechanism 7 controls the movement of the limiting block 15 in the first supporting mechanism 2 and the second supporting mechanism 3.

In summary, the following steps: the utility model discloses a beneficial effect: in the use process of the office table, the support telescopic inner rod 22 in the first support mechanism 2 and the second support mechanism 3 can be adjusted to move up and down relative to the support telescopic outer sleeve 21 by manually adjusting the rotation of the drive gear 37, so that the height of the office table is adjusted; the utility model realizes the lifting of the office desk through simple unilateral structure transmission and realizes high stability through bilateral structure; because the adjustment is carried out on one side, the labor is saved in the adjustment process; and the utility model discloses in through the extrusion of adjusting clamping roller 19 to supporting flexible interior pole 22, the resistance is less when the design of gyro wheel has guaranteed flexible interior pole to rise for support flexible interior pole 22 and support flexible overcoat 21 relatively and can not take place the swing, the desk can not take place easily to rock after long-time the use promptly, and this desk is more firm.

As shown in fig. 19, the mounting shell 18 of the first support mechanism 2 and the second support mechanism 3 is provided with a threaded hole 42, and as shown in fig. 18, the tightening screw 17 is mounted on the mounting shell 18 by matching with the threaded hole 42 of the mounting shell 18 in the first support mechanism 2 and the second support mechanism 3; the clamping roller 19 is mounted on the mounting frame 34, as shown in fig. 17, a driving rack 39 is mounted on one side of the mounting frame 34, the guide support 38 is mounted in the mounting shell 18, and the guide support 38 is used for guiding the driving rack 39; the two mounting frames 34 are mounted in the mounting shell 18 through the matching of the driving rack 39 and the guide support 38, as shown in fig. 16, and the two clamping rollers 19 are in contact fit with the two side surfaces of the corresponding support telescopic inner rod 22; the tightening screw 17 is connected to one of the two mounting brackets 34; the adjusting gear 41 is installed in the installation shell 18 through the first rotating shaft 40, the adjusting gear 41 is meshed with the two driving racks 39, and the two driving racks 39 are positioned at the front side and the rear side of the adjusting gear 41; when the tightening screw 17 is driven to rotate, the tightening screw 17 pushes the corresponding mounting rack 34 to move under the action of the threads, the mounting rack 34 on one hand drives the clamping roller 19 to move towards one side of the telescopic inner support rod 22, on the other hand, the mounting rack 34 drives the corresponding driving rack 39 to move, the driving rack 39 drives the other driving rack 39 to move through the adjusting gear 41, the other driving rack 39 moves to drive the other mounting rack 34, and the mounting rack 34 moves to drive the corresponding clamping roller 19 to move towards one side of the telescopic inner support rod 22; the supporting telescopic inner rod 22 is extruded through the two clamping rollers 19, so that the supporting telescopic inner rod 22 is prevented from loosening after being used for a long time, and the table is shaken.

As shown in fig. 14, two third guide grooves 31 are symmetrically formed on both sides of the limiting groove 27, two third guide blocks 33 are symmetrically installed on both sides of the limiting block 15, and the limiting block 15 is installed on the support telescopic inner rod 22 through the cooperation of the two third guide blocks 33 and the two third guide grooves 31; the two third guide blocks 33 are matched with the two third guide grooves 31 to guide the limiting block 15.

As shown in fig. 6, the triggering mechanism 7 includes a connecting plate 12, a driving plate 13, and a connecting driving plate 14, wherein as shown in fig. 4, a second guiding slot 8 is opened on the connecting supporting plate 4; the first upper supporting plate 5 is provided with a first square opening 9, the second upper supporting plate 11 is provided with a first guide groove 6, and the lower side of the first guide groove 6 is provided with a second square opening 10; as shown in fig. 11, the inner sides of the telescopic inner rods 22 in the first support mechanism 2 and the second support mechanism 3 are both provided with an avoidance guide groove 30 communicated with the limiting groove 27, the lower ends of the two connection drive plates 14 are respectively mounted on the limiting blocks 15 in the first support mechanism 2 and the second support mechanism 3, and as shown in fig. 5, the two connection drive plates 14 are clearly matched with the corresponding avoidance guide grooves 30; as shown in fig. 6, the two connecting driving plates 14 are connected by a connecting plate 12, the connecting plate 12 passes through the second guiding slot 8 opened on the connecting supporting plate 4, and the two connecting driving plates 14 respectively pass through the first square opening 9 opened on the first upper supporting plate 5 and the second square opening 10 opened on the second upper supporting plate 11; the driving plate 13 passes through a first guide slot 6 formed on the second upper supporting plate 11 and is connected with the connecting plate 12; when the driving plates 13 are pushed manually, the driving plates 13 drive the connecting plates 12 to move, and the connecting plates 12 drive the two connecting driving plates 14 to move; the two connecting driving plates 14 move to drive the two limiting blocks 15 to move, so that the two limiting blocks 15 are separated from the limiting positions of the corresponding clamping grooves 25, and the telescopic supporting inner rod 22 can relatively support the telescopic outer sleeve 21 to move up and down.

As shown in fig. 10, the supporting telescopic outer sleeve 21 is provided with a first guide groove 23 and a second guide groove 24, as shown in fig. 11, the supporting telescopic inner rod 22 is provided with a first guide block 28 and a second guide block 29, as shown in fig. 13, the supporting telescopic inner rod 22 is mounted on the supporting telescopic outer sleeve 21 through the cooperation of the first guide block 28 and the second guide block 29 with the second guide groove 24 and the first guide groove 23; the first guide block 28 and the second guide block 29 are matched with the second guide groove 24 and the first guide groove 23 to guide the telescopic inner rod 22.

The return spring 20 is a compression spring.

The clamping roller 19 is provided with a rubber jacket; the clamping for supporting the telescopic inner rod 22 is more stable, and the telescopic inner rod is prevented from loosening after long-time use.

Two symmetrical supporting ridges 45 are respectively arranged between the two telescopic supporting inner rods 22 and the first upper supporting plate 5 and between the two telescopic supporting inner rods and the second upper supporting plate 11; the stability of the table board 1 is ensured.

The clamping roller 19 is connected with the mounting frame 34 through a bearing.

The driving gear 37 is fixedly mounted on the adjustment lever 36 by welding.

In the utility model, when the driving gear 37 in the first supporting mechanism 2 is driven to drive the supporting telescopic inner rod 22 to move upwards, the supporting telescopic inner rod 22 in the first supporting mechanism 2 can drive the supporting telescopic inner rod 22 in the second supporting mechanism 3 to move upwards through the second upper supporting plate 11, the connecting supporting plate 4 and the first upper supporting plate 5, but the supporting telescopic inner rod 22 in the second supporting mechanism 3 can be delayed to move upwards relative to the supporting telescopic inner rod 22 in the first supporting mechanism 2 because of the elasticity of the second upper supporting plate 11, the connecting supporting plate 4 and the first upper supporting plate 5 in the transmission process, but the supporting telescopic inner rod 22 in the second supporting mechanism 3 can move upwards to the same height or move to the same height through pushing up with the manual assistance after the supporting telescopic inner rod 22 in the first supporting mechanism 2 moves upwards, the utility model discloses in, because the flexible interior pole 22 of support of the in-process of the flexible interior pole 22 upward movement of support in the first supporting mechanism 2 in the second supporting mechanism 3 still not remove before accomplishing, backup pad 11 supports alone on the backup pad second on the table 1 is through the second, so the utility model discloses the width of backup pad 5 is great on the relative first of width of backup pad 11 on the backup pad second on well second, guarantees that table 1 is at the removal in-process, and the stability and the reliability of backup pad are gone up to backup pad 11 second on the second.

The specific working process is as follows: when the office table designed by the utility model is used, if the office table is adjusted to be lowered, the driving plate 13 is pushed manually at first, the driving plate 13 can drive the connecting plate 12 to move, and the connecting plate 12 moves to drive the two connecting driving plates 14 to move; the two connecting driving plates 14 move to drive the two limiting blocks 15 to move, so that the two limiting blocks 15 are separated from the limiting positions of the corresponding clamping grooves 25, the telescopic supporting inner rod 22 can move up and down relative to the telescopic supporting outer sleeve 21, and then the hand wheel of the adjusting rod 36 is driven to rotate to drive the driving gear 37 to rotate; the driving gear 37 drives and supports the telescopic inner rod 22 to move in a rotating way; lowering and adjusting the desk; if the desk is adjusted to be lifted, the adjusting rod 36 is directly driven to rotate to drive the driving gear 37 to rotate; the driving gear 37 drives the support telescopic inner rod 22 to move upwards in a rotating mode; the desk is lifted and adjusted.

Claims

1. An office table, characterized in that: the table comprises a table plate, a first supporting mechanism, a second supporting mechanism, a connecting supporting plate, a first upper supporting plate, a triggering mechanism and a second upper supporting plate, wherein the second upper supporting plate is installed on the upper side of the first supporting mechanism; the table plate is arranged on the upper sides of the first upper supporting plate, the second upper supporting plate and the connecting supporting plate; the trigger mechanism is arranged on the first support mechanism and the second support mechanism;

the first support mechanism comprises a limiting block, a lower support plate, an installation shell, a reset spring, a support telescopic outer sleeve, a support telescopic inner rod, a clamping groove, a tooth socket, a limiting groove, an inclined plane, a first support, an adjusting rod, a driving gear and a shaft hole, wherein the clamping groove which is uniformly distributed up and down is formed in the inner side surface of the support telescopic outer sleeve, and the support telescopic outer sleeve is installed on the upper side of the lower support plate; one side of the support telescopic inner rod is provided with a tooth socket which is communicated up and down, the lower end of the support telescopic inner rod is provided with a limit groove, the support telescopic inner rod is arranged on the support telescopic outer sleeve in a sliding fit manner, and a second upper support plate is arranged at the upper end of the support telescopic inner rod; an inclined plane is arranged on the upper side face of one end of the limiting block, the other end of the limiting block is arranged in a limiting groove formed in the telescopic supporting inner rod in a sliding fit mode, and a reset spring is arranged between one end, located on the inner side of the limiting groove, of the limiting block and the limiting groove; one end of the limiting block with an inclined plane is matched with the clamping groove formed in the support telescopic outer sleeve; the upper end of the mounting shell is provided with a square through hole, one side of the mounting shell is provided with a shaft hole, the mounting shell is mounted at the upper end of the support telescopic outer sleeve, the adjusting rod is provided with a rod and a hand wheel, one end of the adjusting rod, provided with the rod, penetrates through the shaft hole in the mounting shell and is located on the inner side of the mounting shell, and the adjusting rod is mounted on the side face of the support telescopic outer sleeve through a first support; the driving gear is arranged on the rod on the adjusting rod and is meshed with teeth in tooth grooves on the telescopic inner supporting rod; the second support mechanism has a structure similar to that of the first support mechanism, and is provided with no tooth socket on a support telescopic inner rod, and is also provided with no driving gear, an adjusting rod and a first support; the first upper supporting plate is arranged at the upper end of a supporting telescopic inner rod in the second supporting mechanism; the trigger mechanism controls the movement of the limiting blocks in the first supporting mechanism and the second supporting mechanism.

2. A desk as recited in claim 1, wherein: the mounting shells in the first supporting mechanism and the second supporting mechanism are respectively provided with a threaded hole, and the tightening screw rods are mounted on the mounting shells in the first supporting mechanism and the second supporting mechanism through the thread matching with the threaded holes in the mounting shells; the two mounting frames are arranged in the mounting shell through the matching of the driving rack and the guide support, and the two clamping rollers are in contact fit with the two side surfaces of the corresponding support telescopic inner rod; the tightening screw is connected with one of the two mounting frames; the adjusting gear is installed in the installation shell through a first rotating shaft, and the adjusting gear is meshed with the two driving racks, and the two driving racks are located on the front side and the rear side of the adjusting gear.

3. A desk as recited in claim 1, wherein: two third guide grooves are symmetrically formed in two sides of the limiting groove, two third guide blocks are symmetrically arranged on two sides of the limiting block, and the limiting block is arranged on the telescopic support inner rod through the matching of the two third guide blocks and the two third guide grooves.