CN216907200U - Lifting table support - Google Patents

Abstract

The utility model relates to the technical field of lifting tables, and particularly discloses a lifting table support which comprises a base, a support assembly, a table top support and a driving piece, wherein the support assembly comprises a first telescopic piece and a second telescopic piece; the driving piece enables the second telescopic piece to slide relative to the first telescopic piece along the axial direction of the first telescopic piece; the two limiting assemblies are respectively used for limiting the extending limit position and the retracting limit position of the second telescopic piece; each limiting component comprises a limiting switch and a collision block, one of the limiting switch and the collision block is fixedly connected to the first telescopic piece, and the other limiting switch and the collision block are fixedly connected to the table top support; the limit switch can be selectively abutted against or separated from the corresponding collision block so as to adjust the state of the limit switch. Two spacing subassemblies that the device provided make first extensible member and second extensible member can stretch out and draw back the work at reasonable flexible within range, and then promoted the life of lift table support.

Description

Lifting table support

Technical Field

The utility model relates to the technical field of lifting tables, in particular to a lifting table support.

Background

The desk is an essential article for daily life and office work, and along with improvement of living standard of people, people are not meeting the practicability of the desk and pursue comfort of the desk more.

Therefore, the liftable table support is applied to a student, the table top of the table can be lifted and lowered, and therefore the liftable table support can meet the requirements of different age groups, different heights and different user groups.

However, the lift of lift table is usually realized through driving piece drive lifter, and in order to guarantee the life of lifter, should guarantee that the lifter stretches out and draws back at reasonable flexible within range, consequently, need for a limit structure to make the lifter keep stretching out and drawing back at reasonable flexible within range urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: provides a lifting table bracket to solve the problem that a limit structure is urgently needed to keep a lifting rod in a reasonable telescopic range for stretching in the related art.

The utility model provides a lifting table support which comprises a base, a supporting assembly, a table top support and a driving piece, wherein the supporting assembly comprises a first telescopic piece and a second telescopic piece; the driving piece enables the second telescopic piece to slide relative to the first telescopic piece along the axial direction of the first telescopic piece; the two limiting assemblies are respectively used for limiting the extending limit position and the retracting limit position of the second telescopic piece; each limit assembly comprises a limit switch and a collision block, one of the limit switch and the collision block is fixedly connected to the first telescopic piece, and the other limit switch and the collision block are fixedly connected to the table top support; the limit switch can be selectively abutted against or separated from the corresponding collision block so as to adjust the state of the limit switch.

As the preferable technical scheme of the lifting table bracket, the limit switch is a contact switch.

As a preferred technical scheme of the lifting table support, the first telescopic piece is a solenoid, the second telescopic piece is a lead screw, and the second telescopic piece is in threaded connection with the first telescopic piece.

As the preferred technical scheme of lift table support, the supporting component still includes outer support tube and interior support tube, outer support tube with interior support tube all overlaps to be located first extensible member with outside the second extensible member, outer support tube cover is located interior support tube is outside and with interior support tube sliding fit, outer support tube with the base rigid coupling, interior support tube with mesa support rigid coupling, fixed connection in the mesa support limit switch or hit the piece and pass through interior support tube with mesa support fixed connection

As a preferable technical scheme of the lifting table support, the support assembly further comprises a vibration reduction support, the vibration reduction support is fixedly connected with one end, far away from the base, of the first telescopic piece, and the vibration reduction support is abutted to the inner wall of the inner supporting tube.

As a preferred technical scheme of the lifting table support, the base, the supporting component and the table top support are provided with two parts, the lifting table support further comprises a telescopic cross beam, two ends of the telescopic cross beam are fixedly connected with the two table top supports respectively, and the driving part acts on the two second telescopic parts simultaneously.

As the preferred technical scheme of lift table support, flexible crossbeam includes left supporting beam, right supporting beam and flexible roof beam, left supporting beam and left mesa support rigid coupling, right supporting beam and right side mesa support rigid coupling, the both ends of flexible roof beam are inserted simultaneously and are located left supporting beam with in the right supporting beam, just left supporting beam with right supporting beam respectively with flexible roof beam sliding fit.

As a preferred technical scheme of the lifting table support, the lifting table support further comprises a transmission assembly, the transmission assembly comprises a left transmission rod, a right transmission rod and a connecting rod, one end of the left transmission rod is in transmission connection with the second telescopic piece on the left side, one end of the right transmission rod is in transmission connection with the second telescopic piece on the right side, the other end of the left transmission rod and the other end of the right transmission rod are inserted into two ends of the connecting rod at the same time, and the connecting rod only allows the left transmission rod and the right transmission rod to slide along the axial direction of the connecting rod;

the driving piece drives one of the left driving rod and the right driving rod to rotate.

As a preferable technical scheme of the lifting table support, the driving piece comprises a motor and a transmission, and the motor drives one of the left transmission rod and the right transmission rod to rotate through the transmission.

As a preferred technical scheme of the lifting table support, the lifting table support further comprises a plurality of angle irons which are respectively arranged at the connecting positions of the telescopic cross beam and the table top support.

The utility model has the beneficial effects that:

the utility model provides a lifting table support which comprises a base, a supporting assembly, a table top support and a driving piece, wherein the supporting assembly comprises a first telescopic piece and a second telescopic piece; the driving piece enables the second telescopic piece to slide relative to the first telescopic piece along the axial direction of the first telescopic piece; the two limiting assemblies are respectively used for limiting the extending limit position and the retracting limit position of the second telescopic piece; each limiting assembly comprises a limiting switch and a collision block, one of the limiting switch and the collision block is fixedly connected to the first telescopic piece, and the other limiting switch and the collision block are fixedly connected to the table top support; the limit switch can be selectively abutted against or separated from the corresponding collision block so as to adjust the state of the limit switch. When adjusting the height of this lift table support, driving piece drive second extensible member moves along the axis direction of first extensible member, when two limit switch all not with the corresponding piece that hits support when pressing, can adjust the distance that the relative first extensible member of second extensible member stretches out according to the use habit of oneself in the use. When the switch corresponding to the extension limit position is pressed against the corresponding collision block, the driving piece stops working, and at the moment, the second telescopic piece is at the maximum extension distance relative to the first telescopic piece. When the switch corresponding to the retraction limit position is pressed against the corresponding collision block, the driving piece stops working, and at the moment, the second telescopic piece is at the minimum extending distance relative to the first telescopic piece. Two spacing subassemblies that this lift table support provided make first extensible member and second extensible member can stretch out and draw back the work at reasonable flexible within range, and then have promoted lift table support's life.

Drawings

FIG. 1 is a schematic structural view of a lifting table support according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a partial explosion of a lifting table support in an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of a lifting table support in an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a lift table support in an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

fig. 6 is a schematic structural diagram of a limiting assembly in an embodiment of the present invention.

In the figure:

1. a base;

2. a support assembly; 21. a first telescoping member; 22. a second telescoping member; 23. an outer support tube; 24. an inner support tube; 25. damping and supporting; 26. a change gear box;

3. a table top support;

4. a drive member; 41. a motor; 42. a speed reducer;

5. a limiting component; 51. a limit switch; 52. bumping the block;

6. a telescopic cross beam; 61. a left support beam; 62. a right support beam; 63. a telescopic beam;

7. a transmission assembly; 71. a left drive link; 72. a right drive link; 73. a connecting rod;

8. angle iron.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

As shown in fig. 1 to 6, the embodiment provides a lifting table support, which includes a base 1, a support assembly 2, a table top support 3, a limiting assembly 5 and a driving member 4, where the support assembly 2 includes a first extensible member 21 and a second extensible member 22, the first extensible member 21 is fixedly connected to the base 1, the driving member 4 enables the second extensible member 22 to slide relative to the first extensible member 21 along an axial direction of the first extensible member 21, and the second extensible member 22 drives the table top support 3 to move along the axial direction of the first extensible member 21; the second telescopic part 22 is fixedly connected with the table top bracket 3; the driving member 4 makes the second telescopic member 22 slide along the axial direction of the first telescopic member 21 relative to the first telescopic member 21; the two limiting assemblies are respectively used for limiting the extending limit position and the retracting limit position of the second telescopic piece 22; each limiting component comprises a limiting switch 51 and a collision block 52, one of the limiting switch 51 and the collision block 52 is fixedly connected to the first telescopic part 21, and the other one is fixedly connected to the table top bracket 3; the limit switch 51 can selectively abut against or separate from the corresponding bump 52 to adjust the state of the limit switch 51. When adjusting the height of this lift table support, driving piece 4 drive second extensible member 22 along the axis direction motion of first extensible member 21, when two limit switch 51 all not with the corresponding piece 52 that hits support the time, can adjust the distance that second extensible member 22 stretches out relative first extensible member 21 according to the use habit of oneself in the use. When the limit switch 51 corresponding to the extension limit position is pressed against the corresponding bump 52, the driving member 4 stops working, and the second extensible member 22 is at the maximum extension distance relative to the first extensible member 21. When the limit switch 51 corresponding to the retracted limit position is pressed against the corresponding bump 52, the driving member 4 stops working, and the second extensible member 22 is at the minimum extending distance relative to the first extensible member 21. Two spacing subassemblies that this lift table support provided make first extensible member 21 and second extensible member 22 can stretch out and draw back the work at reasonable flexible within range, and then have promoted lift table support's life.

In this embodiment, the striking block 52 is fixed to the first telescopic member 21 or the table top bracket 3 by welding, screwing, or bonding

For the specific structure of the limit switches 51, optionally, two limit switches 51 are contact switches; when the bump 52 abuts against the contact portion of the limit switch 51, the limit switch 51 is turned off, or when the bump is separated from the contact portion of the limit switch 51, the limit switch 51 is turned on; in this embodiment, when the collision block 52 abuts against the contact portion of the limit switch 51, the driving member 4 is in a power-off state, and at this time, when the user controls the driving member 4 through the control module, the driving member 4 does not work; when the contact part of the bump block 52 and the limit switch 51 is separated, the driving member 4 is in a power-on state, and at this time, a user controls the start and stop of the driving member 4 through the control module, so that the driving member 4 drives the second telescopic member 22 to move or fix relative to the first telescopic member 21.

Optionally, the first telescopic member 21 is a screw tube, the second telescopic member 22 is a lead screw, and the second telescopic member 22 and the first telescopic member 21 are screwed. In this embodiment, the second telescopic member 22 is rotatably connected to the table top support 3, and the second telescopic member 22 can rotate around the axis of the second telescopic member 22 relative to the table top support 3. Specifically, the second expansion piece 22 is rotatably connected to an output shaft of the direction-changing gear box 26, and a housing of the direction-changing gear box 26 is fixedly connected to the table top bracket 3. In other embodiments, the first telescopic member 21 and the second telescopic member 22 may be a rack and pinion structure, a cylinder structure, a hydraulic cylinder structure, or the like.

Optionally, the supporting assembly 2 further includes an outer supporting tube 23 and an inner supporting tube 24, the outer supporting tube 23 and the inner supporting tube 24 are both sleeved outside the first telescopic member 21 and the second telescopic member 22, the outer supporting tube 23 is sleeved outside the inner supporting tube 24 and is in sliding fit with the inner supporting tube 24, the outer supporting tube 23 is fixedly connected with the base 1, the inner supporting tube 24 is fixedly connected with the table-board support 3, and a limit switch 51 or a collision block 52 fixedly connected to the table-board support 3 is fixedly connected with the table-board support 3 through the inner supporting tube 24. In this embodiment, the inner support tube 24 and the outer support tube 23 are both square tubes, and since the outer support tube 23 is fixedly connected to the base 1, the inner support tube 24 can only slide relative to the outer support tube 23 along the axial direction of the outer support tube 23. Since the inner support tube 24 is fixedly connected with the table top bracket 3 and the table top bracket 3 is fixedly connected with the direction-changing gear box 26, the direction-changing gear box can not rotate around the axis of the second telescopic member 22. The outer support tube 23 and the inner support tube 24 can also protect the inner first telescopic part 21, the inner second telescopic part 22 and the limiting component 5. When the second expansion piece 22 is at the maximum extension distance relative to the first expansion piece 21, the inner support tube 24 is still sleeved in the outer support tube 23; when second telescoping member 22 is at a minimum extension distance relative to first telescoping member 21, inner support tube 24 does not interfere with the movement of second telescoping member 22.

Because the first extensible member 21 is only fixedly connected with the base 1, when the second extensible member 22 is extended and retracted relative to the first extensible member 21, the first extensible member 21 may vibrate or even shake, in order to reduce the vibration or shake of the first extensible member 21, optionally, the support assembly 2 further includes a vibration reduction support 25, the vibration reduction support 25 is fixedly connected with one end of the first extensible member 21 far away from the base 1, and the vibration reduction support 25 is abutted to the inner wall of the inner support tube 24. In this embodiment, the vibration damping support 25 includes two supporting members, the two supporting members are fixedly connected to each other to form a fixing hole, the first extensible member 21 is inserted into the fixing hole and fixedly connected to the fixing hole, and the two supporting members are respectively abutted to the inner supporting tube 24. This arrangement can alleviate the rattling of the first telescopic member 21, while the vibration-damping support 25 can also move relative to the inner support pipe 24.

Optionally, base 1, supporting component 2 and mesa support 3 all are provided with two, and the lift table support still includes telescopic crossbeam 6, and telescopic crossbeam 6's both ends respectively with two mesa supports 3 rigid couplings, driving piece 4 actuates in two second extensible member 22 simultaneously. In this embodiment, the distance between two bases 1 can be adjusted to telescopic crossbeam 6, and then can make this lift table support be applicable to not unidimensional desktop.

Specifically, the telescopic cross beam 6 includes a left support beam 61, a right support beam 62 and a telescopic beam 63, the left support beam 61 is fixedly connected with the left table top bracket 3, the right support beam 62 is fixedly connected with the right table top bracket 3, two ends of the telescopic beam 63 are simultaneously inserted into the left support beam 61 and the right support beam 62, and the left support beam 61 and the right support beam 62 are respectively in sliding fit with the telescopic beam 63. In this embodiment, the distance between the two table supports 3 can be adjusted by adjusting the amount of extension of the left support beam 61 and the right support beam 62 relative to the telescopic beam 63. The telescopic cross beam 6 further includes a locking member that can fix the relative position of the left support beam 61 and the telescopic beam 63, and can also fix the relative position of the right support beam 62 and the telescopic beam 63.

Optionally, the lifting table support further includes a transmission assembly 7, the transmission assembly 7 includes a left transmission rod 71, a right transmission rod 72 and a connection rod 73, one end of the left transmission rod 71 is in transmission connection with the left second telescopic member 22, one end of the right transmission rod 72 is in transmission connection with the right second telescopic member 22, the other end of the left transmission rod 71 and the other end of the right transmission rod 72 are inserted into two ends of the connection rod 73, and the connection rod 73 only allows the left transmission rod 71 and the right transmission rod 72 to slide along the axial direction of the connection rod 73. The driving member 4 selectively drives one of the left driving lever 71 and the right driving lever 72 to rotate. In this embodiment, the left transmission rod 71 and the right transmission rod 72 are both hexagonal rods, hexagonal holes are respectively formed at two ends of the connection rod 73, one end of the left transmission rod 71 is fixedly connected with the input shaft of the left change gear box 26, the other end of the left transmission rod 71 is connected with one end of the connection rod 73 in an inserting manner, one end of the right transmission rod 72 is fixedly connected with the input shaft of the right change gear box 26, and the other end of the right transmission rod 72 is connected with the other end of the connection rod 73 in an inserting manner. Therefore, the driving member 4 is driven alternatively among the left driving rod 71, the right driving rod 72 and the connecting rod 73, so as to drive the two second telescopic members 22 to rotate simultaneously. In other embodiments, the cross-sectional shapes of the left and right transmission levers 71 and 72 are non-circular, such as oval, triangular, etc. The two ends of the connecting rod 73 are provided with jacks which are respectively matched with the cross-sectional shapes of the left transmission rod 71 and the right transmission rod 72.

Alternatively, the driving member 4 includes a motor 41 and a transmission 42, and the motor 41 drives one of the left transmission rod 71 and the right transmission rod 72 to rotate through the transmission 42. In the present embodiment, the transmission 42 has a function of reducing the rotation speed and increasing the torque.

Optionally, the lifting table support further comprises a plurality of angle irons, and the angle irons are respectively arranged at the connecting positions of the telescopic beam 6 and the table top support 3. In this embodiment, the angle bar can make telescopic crossbeam 6 be connected more firmly with mesa support 3, avoids rocking.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A lifting table support comprises a base (1), a supporting component (2), a table top support (3) and a driving part (4), wherein the supporting component (2) comprises a first telescopic part (21) and a second telescopic part (22), the first telescopic part (21) is fixedly connected with the base (1), and the second telescopic part (22) is fixedly connected with the table top support (3); the driving piece (4) enables the second telescopic piece (22) to slide relative to the first telescopic piece (21) along the axial direction of the first telescopic piece (21);

the device is characterized by further comprising two limiting assemblies (5) which are respectively used for limiting the extending limit position and the retracting limit position of the second telescopic piece (22);

each limiting assembly (5) comprises a limiting switch (51) and a collision block (52), one of the limiting switch (51) and the collision block (52) is fixedly connected to the first telescopic piece (21), and the other one of the limiting switch (51) and the collision block (52) is fixedly connected to the table top support (3); the limit switch (51) can be selectively abutted against or separated from the corresponding bump (52) to adjust the state of the limit switch (51).

2. Lifting table support according to claim 1, characterised in that the limit switch (51) is a contact switch.

3. Lifting table support according to claim 1, characterised in that said first telescopic element (21) is a solenoid and said second telescopic element (22) is a lead screw, said second telescopic element (22) being screwed to said first telescopic element (21).

4. The lifting table support according to claim 1, wherein the support assembly (2) further comprises an outer support tube (23) and an inner support tube (24), the outer support tube (23) and the inner support tube (24) are both sleeved outside the first expansion piece (21) and the second expansion piece (22), the outer support tube (23) is sleeved outside the inner support tube (24) and is in sliding fit with the inner support tube (24), the outer support tube (23) is fixedly connected with the base (1), the inner support tube (24) is fixedly connected with the table top support (3), and the limit switch (51) or the collision block (52) fixedly connected with the table top support (3) is fixedly connected with the table top support (3) through the inner support tube (24).

5. A lifting table support according to claim 4, characterized in that the support assembly (2) further comprises a vibration-damping support (25), the vibration-damping support (25) being fixedly connected to the end of the first telescopic member (21) remote from the base (1), the vibration-damping support (25) abutting against the inner wall of the inner support tube (24).

6. Lifting table support according to any of claims 1-5, characterized in that there are two of the base (1), the support assembly (2) and the table top support (3), and the lifting table support further comprises a telescopic cross beam (6), wherein two ends of the telescopic cross beam (6) are respectively fixed to the two table top supports (3), and the driving member (4) simultaneously acts on the two second telescopic members (22).

7. Lifting table support according to claim 6, characterized in that the telescopic cross beam (6) comprises a left support beam (61), a right support beam (62) and a telescopic beam (63), the left support beam (61) is fixedly connected with the left table top support (3), the right support beam (62) is fixedly connected with the right table top support (3), the two ends of the telescopic beam (63) are inserted into the left support beam (61) and the right support beam (62) at the same time, and the left support beam (61) and the right support beam (62) are respectively in sliding fit with the telescopic beam (63).

8. The lifting table support according to claim 7, characterized in that the lifting table support further comprises a transmission assembly (7), the transmission assembly (7) comprises a left transmission rod (71), a right transmission rod (72) and a connecting rod (73), one end of the left transmission rod (71) is in transmission connection with the second telescopic member (22) on the left side, one end of the right transmission rod (72) is in transmission connection with the second telescopic member (22) on the right side, the other end of the left transmission rod (71) and the other end of the right transmission rod (72) are simultaneously inserted at two ends of the connecting rod (73), and the connecting rod (73) only allows the left transmission rod (71) and the right transmission rod (72) to slide along the axial direction of the connecting rod (73);

the driving piece (4) selectively drives one of the left driving rod (71) and the right driving rod (72) to rotate.

9. Lifting table support according to claim 8, characterized in that the drive member (4) comprises a motor (41) and a transmission (42), the motor (41) driving one of the left transmission bar (71) and the right transmission bar (72) in rotation via the transmission (42).

10. Lifting table support according to claim 6, characterised in that it further comprises a plurality of angle bars, which are arranged at the connection of the telescopic beam (6) and the table top support (3), respectively.

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