CN217743513U - Table frame of electric lifting table and electric lifting table - Google Patents
Table frame of electric lifting table and electric lifting table Download PDFInfo
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- CN217743513U CN217743513U CN202221157766.7U CN202221157766U CN217743513U CN 217743513 U CN217743513 U CN 217743513U CN 202221157766 U CN202221157766 U CN 202221157766U CN 217743513 U CN217743513 U CN 217743513U
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Abstract
The utility model discloses a table frame and electric lift table of electric lift table, table frame include stand subassembly and frame subassembly, frame subassembly includes the gear box, and the gear box includes first gear and is used for protecting first gear and one end and is open structure's first protecting sheathing, and first gear setting is in first protecting sheathing, and stand subassembly includes the second gear and is used for protecting second gear and one end and is open structure's second protecting sheathing, and the second gear setting is in second protecting sheathing, and first protecting sheathing and second protecting sheathing establish the setting, first gear and second gear meshing. The utility model provides a table frame and electric lift table of electric lift table can reduce the damage that collides with and produces that the driving medium received in the transportation.
Description
Technical Field
The utility model belongs to the technical field of electric lift table and specifically relates to a table frame and electric lift table of electric lift table are related to.
Background
In the prior art, in order to facilitate the transportation of the electric lifting table, the upright post assembly and the frame assembly are not assembled together in the transportation process. Because its each subassembly is transported after separately, transmission parts wherein take place to collide with easily in the transportation, cause the damage, and the equipment of each subassembly is more complicated, is unfavorable for subassembly fast assembly. The table frame in the electric lifting table in the prior art can only be adapted to a table top with one length, so that the table frame is too many in models and not beneficial to batch production. Therefore, the table frame of the electric lifting table and the electric lifting table need to be designed to solve the existing problems.
Disclosure of Invention
The utility model discloses an overcome among the prior art not enough that the driving medium in the table frame of electric lift table damaged in the transportation easily, provide a table frame for lift table, can reduce the damage that collides with and produces that the driving medium received in the transportation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a table frame for lift table, includes stand subassembly and frame subassembly, the frame subassembly includes the gear box, and the gear box includes first gear and is used for protecting first gear and one end and be open structure's first protective housing, and first gear setting is in first protective housing, and the stand subassembly includes the second gear and is used for protecting second gear and one end and be open structure's second protective housing, and the second gear setting is in second protective housing, and first protective housing and second protective housing cover are established and are set up, first gear and second gear engagement.
Among the above-mentioned technical scheme, the table frame sets up on electric lift table, drives transmission structure through the motor in the table frame, drives the lead screw rotation in the stand subassembly, and the desktop that drives the lift table through lead screw nut mechanism goes up and down. In the transportation, for the transportation of convenient table frame, generally not be in the same place stand subassembly and frame subassembly equipment, first protective housing and second protective housing can protect first gear and second gear in stand subassembly and frame subassembly transportation this moment, avoid first gear and second gear to receive to collide with and produce the damage. After the upright post assembly and the frame assembly are assembled respectively, the relative position of the first gear in the first protective shell is kept constant, the relative position of the second gear in the second protective shell is kept constant, after the upright post assembly and the frame assembly are transported to a destination, the first protective shell is matched with the second protective shell due to the fact that the sizes of the first protective shell and the second protective shell are originally matched, the first protective shell is only required to be aligned with the second protective shell, the first gear can be aligned with the second gear, the first gear and the second gear do not need to be specially aligned, and the upright post assembly and the frame assembly are convenient to assemble.
Preferably, the first gear is one of an internally splined bevel or an externally splined gear, and the second gear is the other of an internally splined bevel or an externally splined gear. The bevel gear structure can enable the first gear and the second gear to be coaxially arranged, so that the whole structure is more compact, and alignment in the assembling process is facilitated.
Preferably, the frame assembly further comprises a transmission shaft and a motor for driving the transmission shaft to rotate, the number of the gear boxes is 2, two ends of the transmission shaft are respectively connected with the input ends of the 2 gear boxes, and the output end of the motor is connected with the transmission shaft. The structure can drive the lead screws in the two stand column assemblies to rotate through one motor, synchronous control over the two lead screws is achieved, the desktop is guaranteed to be kept horizontal in the lifting process, and one motor can be used less.
Preferably, the transmission shaft comprises two connecting shafts at two ends and an intermediate shaft between the two connecting shafts, one end of each connecting shaft is in telescopic connection with the intermediate shaft, the other end of each connecting shaft is connected with the input end of the gear box, and the transmission shaft is provided with a limiting structure for preventing the connecting shafts from being separated from the intermediate shaft. The transmission shaft can realize the function of stretching, keeps the power transmission when stretching out and drawing back, can make the desktop of the different length of table frame adaptation, and limit structure can prevent that the transmission shaft subassembly from droing when the user stretches out and draws back.
Preferably, an inner sliding hole is formed in the intermediate shaft, a sliding piece is fixed at one end of the connecting shaft, and the sliding piece is arranged in the inner sliding hole and is in sliding connection with the inner sliding hole along the axial direction; the limiting structure comprises two limiting sleeves used for preventing the sliding part from falling off, the two limiting sleeves are respectively fixed at two ends of the intermediate shaft, and the connecting shaft penetrates through the limiting sleeves. The structure can specifically realize the flexible and anticreep function of transmission shaft. The limiting sleeve can prevent the sliding part from slipping.
Preferably, the connecting shaft is provided with an inner sliding hole, two ends of the intermediate shaft are respectively fixed with a sliding part, and the sliding parts are arranged in the inner sliding holes and are in sliding connection with the inner sliding holes along the axial direction; the limiting structure comprises two limiting sleeves for preventing the sliding piece from falling off, the two limiting sleeves are respectively fixed at one end, close to the middle shaft, of the two connecting shafts, and the connecting shafts penetrate through the limiting sleeves. The structure can specifically realize the functions of extension and anti-falling of the transmission shaft. The limiting sleeve can prevent the sliding part from slipping.
Preferably, the sliding part is provided with an external spline, and the inner side wall of the inner sliding hole is provided with an internal spline matched with the external spline on the sliding part. The structure can realize the function of transmitting the torque of the transmission shaft on the premise of realizing the telescopic function of the transmission shaft. The sliding piece can slide on the inner sliding hole along the axial direction.
Preferably, the frame assembly further comprises a cross beam which can be telescopically arranged, and the cross beam is provided with an anti-falling structure for preventing components on the cross beam from falling off when the components are excessively stretched. The crossbeam can realize flexible function, and anti-disengaging structure can prevent that the crossbeam on the frame subassembly from droing when the user stretches excessively.
Preferably, the cross beam comprises two connecting beams at two ends and a middle beam between the two connecting beams, the connecting beams are connected with the middle beam in a sliding mode along the length direction, the anti-disengaging structure comprises a long groove and a limiting piece, the long groove is arranged on one of the middle beam and the connecting beams, the limiting piece is fixed on the other one of the middle beam and the connecting beams, and one end of the limiting piece extends into the long groove. The structure can specifically realize the anti-falling function of the anti-falling structure. When the intermediate beam and the connecting beam are in extreme positions, the limiting member is in contact with the end of the elongated slot.
Preferably, the first protective housing is sleeved outside the second protective housing.
Preferably, the second protective housing is sleeved outside the first protective housing.
The electric lifting table comprises a table frame and a table plate, wherein the table frame is fixed below the table plate; the table frame comprises a stand column assembly and a frame assembly, the frame assembly is fixed with the table plate, the frame assembly comprises a gear box, the gear box comprises a first gear and a first protective shell, the first gear is used for protecting the first gear, one end of the first protective shell is of an open structure, the first gear is arranged in the first protective shell, the stand column assembly comprises a second gear and a second protective shell, the second gear is used for protecting the second gear, one end of the second protective shell is of an open structure, the second gear is arranged in the second protective shell, the first protective shell and the second protective shell are sleeved with one another and are arranged, and the first gear is meshed with the second gear.
Among the above-mentioned technical scheme, the table frame sets up on electric lift table, drives transmission structure through the motor in the table frame, drives the lead screw rotation in the stand subassembly, and the desktop that drives the lift table through lead screw nut mechanism goes up and down. In the transportation, for the transportation of convenient table frame, generally not be in the same place stand subassembly and frame subassembly equipment, first protective housing and second protective housing can protect first gear and second gear in stand subassembly and frame subassembly transportation this moment, avoid first gear and second gear to receive to collide with and produce the damage. After the upright post assembly and the frame assembly are assembled respectively, the relative position of the first gear in the first protective shell is kept constant, the relative position of the second gear in the second protective shell is kept constant, after the upright post assembly and the frame assembly are transported to a destination, the first protective shell is matched with the second protective shell due to the fact that the sizes of the first protective shell and the second protective shell are originally matched, the first protective shell is only required to be aligned with the second protective shell, the first gear can be aligned with the second gear, the first gear and the second gear do not need to be specially aligned, and the upright post assembly and the frame assembly are convenient to assemble.
The beneficial effects of the utility model are that: (1) In the transportation process, the first protective shell and the second protective shell can prevent the first gear and the second gear from being collided and damaged, the first gear can be ensured to be aligned with the second gear, the first gear and the second gear do not need to be specially aligned, and the assembly of the stand column assembly and the frame assembly is facilitated. (2) Can drive the lead screw rotation in two stand subassemblies simultaneously through a motor, can realize the synchro control to two lead screws, guarantee that the desktop keeps the level at the lift in-process. (3) The transmission shaft can realize the function of stretching out and drawing back, keeps power transmission when stretching out and drawing back, can make the desktop of the different length of table frame adaptation, and limit structure can prevent that the transmission shaft subassembly from droing when the user stretches out and draws back. (4) The crossbeam can realize flexible function, and anti-disengaging structure can prevent that the user from stretching frame subassembly when excessive and coming off.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of a first partial structure of the present invention;
fig. 3 is a second partial structural schematic diagram of the present invention;
fig. 4 is a cross-sectional view of the present invention;
fig. 5 is a partially enlarged view of a portion a in fig. 4.
In the figure: the anti-slip device comprises a stand column assembly 1, a second gear 1.1, a second protective shell 1.2, a frame assembly 2, a gear box 2.1, a first gear 2.2, a first protective shell 2.3, a transmission shaft 2.4, a connecting shaft 2.4.1, an intermediate shaft 2.4.2, an inner sliding hole 2.5, a sliding piece 2.6, a limiting sleeve 2.7, a motor 2.8, a cross beam 2.9, a connecting beam 2.9.1, an intermediate beam 2.9.2, an anti-slip structure 2.10, an elongated slot 2.10.1 and a limiting piece 2.10.2.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in fig. 1, fig. 2 and fig. 3, a table frame of an electric lifting table comprises a column assembly 1 and a frame assembly 2, the frame assembly 2 comprises a gear box 2.1, the gear box 2.1 comprises a first gear 2.2 used for outputting power from the gear box 2.1 and a first protective casing 2.3 used for protecting the first gear 2.2 and having one end in an open structure, the first gear 2.2 is arranged in the first protective casing 2.3 and not higher than the first protective casing 2.3, the column assembly 1 comprises a second gear 1.1 used for inputting power to the column assembly 1 and a second protective casing 1.2 used for protecting the second gear 1.1 and having one end in the open structure, the second gear 1.1 is arranged in the second protective casing 1.2 and not higher than the second protective casing 1.2, the second protective casing 1.2 is arranged outside the first protective casing 2.3, the first gear 2.2 is a bevel gear with an internal spline, the first gear 1.1 is a gear with an external spline, and the second gear 1.2 is arranged outside the first gear 1.2. The first gear 2.2 meshes with the second gear 1.1.
Among the above-mentioned technical scheme, the table frame sets up on electric lift table, drives transmission structure through motor 2.8 in the table frame, drives the lead screw rotation in the stand subassembly 1, and the desktop that drives the lift table through lead screw nut mechanism goes up and down. In the transportation, for the transportation of convenient table frame, generally do not assemble stand subassembly 1 and frame subassembly 2 together, first protective housing 2.3 and second protective housing 1.2 can protect first gear 2.2 and second gear 1.1 in stand subassembly 1 and frame subassembly 2 transportation this moment, avoid first gear 2.2 and second gear 1.1 to receive to collide with and produce the damage. After the column assembly 1 and the frame assembly 2 are assembled respectively, the relative position of the first gear 2.2 in the first protective housing 2.3 is kept constant, the relative position of the second gear 1.1 in the second protective housing 1.2 is kept constant, after the column assembly 1 and the frame assembly 2 are transported to a destination, the first protective housing 2.3 and the second protective housing 1.2 are matched in size originally, and the first gear 2.2 can be ensured to be aligned with the second gear 1.1 only by aligning the first protective housing 2.3 with the second protective housing 1.2, and the first gear 2.2 and the second gear 1.1 do not need to be specially aligned, so that the column assembly 1 and the frame assembly 2 are convenient to assemble.
Example 2:
as shown in fig. 4 and fig. 5, on the basis of embodiment 1, the frame assembly 2 further includes a transmission shaft 2.4 and a motor 2.8 for driving the transmission shaft 2.4 to rotate, the number of the gear boxes 2.1 is 2, two ends of the transmission shaft 2.4 are respectively connected to the input ends of the 2 gear boxes 2.1, and the output end of the motor 2.8 is connected to the transmission shaft 2.4. The transmission shaft 2.4 comprises two connecting shafts 2.4.1 at two ends and an intermediate shaft 2.4.2 between the two connecting shafts 2.4.1, one end of the connecting shaft 2.4.1 is connected with the input end of the gear box 2.1, the other end of the connecting shaft 2.4.1 is fixed with a sliding piece 2.6, an external spline is arranged on the sliding piece 2.6, an internal sliding hole 2.5 is arranged on the intermediate shaft 2.4.2, and an internal spline matched with the external spline on the sliding piece 2.6 is arranged on the inner side wall of the internal sliding hole 2.5. The sliding piece 2.6 is arranged in the inner sliding hole 2.5 and is connected with the inner sliding hole 2.5 in an axial sliding mode, two limiting sleeves 2.7 are fixed at two ends of the intermediate shaft 2.4.2 respectively, and the connecting shaft 2.4.1 penetrates through the limiting sleeves 2.7.
Among the above-mentioned technical scheme, transmission shaft 2.4 can realize flexible function, keeps power transmission when flexible, can make the desktop of the different length of table frame adaptation, and limit structure can prevent that transmission shaft 2.4 subassembly from droing when the user stretches out and draws back. Crossbeam 2.9 can realize flexible function, and anti-disengaging structure 2.10 can prevent that crossbeam 2.9 on the frame subassembly 2 from droing when the user stretches excessively.
Example 3:
an electric lifting table comprises a table frame and a table plate, wherein the table frame is fixed below the table plate; the table frame includes stand subassembly 1 and frame subassembly 2, frame subassembly 2 includes gear box 2.1, gear box 2.1 is including being used for from gear box 2.1 in output power first gear 2.2 with be used for protecting first gear 2.2 and one end for open structure's first protective housing 2.3, first gear 2.2 sets up in first protective housing 2.3 and not exceed first protective housing 2.3, stand subassembly 1 is including being used for to stand subassembly 1 input power second gear 1.1 with be used for protecting second gear 1.1 and one end for open structure's second protective housing 1.2, second gear 1.1 sets up in second protective housing 1.2 and not exceed second protective housing 1.2, second protective housing 1.2 cover is established in the first protective housing 2.3 outside, first spline 2.2 is the bevel gear in-band, second gear 1.1 is the gear that is equipped with the outer, first gear 2.2 cover is established in the second gear 1.1 outside. The first gear 2.2 meshes with the second gear 1.1.
The utility model has the advantages that: (1) In the transportation process, the first protective housing 2.3 and the second protective housing 1.2 can prevent the first gear 2.2 and the second gear 1.1 from being damaged due to collision, and can ensure that the first gear 2.2 is aligned with the second gear 1.1 without specially aligning the first gear 2.2 and the second gear 1.1, so that the stand column assembly 1 and the frame assembly 2 can be assembled conveniently. (2) Can drive the lead screw rotation in two stand subassemblies 1 simultaneously through a motor 2.8, can realize the synchro control to two lead screws, guarantee that the desktop keeps the level at the lift in-process. (3) The transmission shaft 2.4 can realize the function of stretching out and drawing back, keeps power transmission when flexible, can make the desktop of the different length of table frame adaptation, and limit structure can prevent that the transmission shaft 2.4 subassembly from droing when the user stretches out and draws back. (4) Crossbeam 2.9 can realize flexible function, and anti-disengaging structure 2.10 can prevent that user's tensile when excessive frame subassembly 2 drops.
Claims (10)
1. The table frame of the electric lifting table is characterized by comprising a stand column assembly and a frame assembly, wherein the frame assembly comprises a gear box, the gear box comprises a first gear and a first protective shell, the first gear is used for protecting the first gear, one end of the first protective shell is of an open structure, the first gear is arranged in the first protective shell, the stand column assembly comprises a second gear and a second protective shell, the second gear is used for protecting the second gear, one end of the second protective shell is of an open structure, the second gear is arranged in the second protective shell, the first protective shell and the second protective shell are sleeved with one another to be arranged, and the first gear is meshed with the second gear.
2. The table frame of the electric lifting table as claimed in claim 1, wherein the first gear is one of an internally splined bevel gear and an externally splined gear, and the second gear is the other of an internally splined bevel gear and an externally splined gear.
3. The table frame of the electric lifting table as claimed in claim 1 or 2, wherein the frame assembly further comprises a transmission shaft and a motor for driving the transmission shaft to rotate, the number of the gear boxes is 2, two ends of the transmission shaft are respectively connected with the input ends of the 2 gear boxes, and the output end of the motor is connected with the transmission shaft.
4. The table frame of the electric lifting table as claimed in claim 3, wherein the transmission shaft comprises two connecting shafts at two ends and an intermediate shaft between the two connecting shafts, one end of the connecting shaft is telescopically connected with the intermediate shaft, the other end of the connecting shaft is connected with the input end of the gear box, and the transmission shaft is provided with a limiting structure for preventing the connecting shaft from being separated from the intermediate shaft.
5. The table frame of the electric lifting table as claimed in claim 4, wherein the intermediate shaft is provided with an inner sliding hole, one end of the connecting shaft is fixed with a sliding part, and the sliding part is arranged in the inner sliding hole and is axially and slidably connected with the inner sliding hole; the limiting structure comprises two limiting sleeves used for preventing the sliding piece from falling off, the two limiting sleeves are respectively fixed at two ends of the middle shaft, and the connecting shaft penetrates through the limiting sleeves.
6. The table frame of the electric lifting table as claimed in claim 4, wherein the connecting shaft is provided with an inner sliding hole, a sliding member is fixed at each end of the intermediate shaft, and the sliding member is arranged in the inner sliding hole and is axially and slidably connected with the inner sliding hole; the limiting structure comprises two limiting sleeves for preventing the sliding piece from falling off, the two limiting sleeves are respectively fixed at one end, close to the middle shaft, of the two connecting shafts, and the connecting shafts penetrate through the limiting sleeves.
7. A table frame of an electric lifting table as claimed in claim 5, wherein the sliding member is provided with external splines, and the inner side wall of the inner sliding hole is provided with internal splines matched with the external splines on the sliding member.
8. A table frame as claimed in claim 1 or 2, wherein the frame assembly further comprises a retractable beam, and the beam is provided with an anti-falling structure for preventing the components on the beam from falling off when the components are excessively stretched.
9. A table frame of an electrically-driven lift table as defined in claim 8, wherein the cross member comprises two connecting beams at both ends and a middle beam between the two connecting beams, the connecting beams are slidably connected to the middle beam along a length direction thereof, the anti-separation structure comprises an elongated slot and a stopper, the elongated slot is disposed on one of the middle beam and the connecting beam, the stopper is fixed to the other of the middle beam and the connecting beam, and one end of the stopper extends into the elongated slot.
10. An electric lifting table is characterized by comprising a table frame and a table plate, wherein the table frame is fixed below the table plate; the table frame comprises a stand column assembly and a frame assembly, the frame assembly is fixed with the table plate, the frame assembly comprises a gear box, the gear box comprises a first gear and a first protective shell, the first gear is used for protecting the first gear, one end of the first protective shell is of an open structure, the first gear is arranged in the first protective shell, the stand column assembly comprises a second gear and a second protective shell, the second gear is used for protecting the second gear, one end of the second protective shell is of an open structure, the second gear is arranged in the second protective shell, the first protective shell and the second protective shell are sleeved with one another and are arranged, and the first gear is meshed with the second gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221157766.7U CN217743513U (en) | 2022-05-12 | 2022-05-12 | Table frame of electric lifting table and electric lifting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221157766.7U CN217743513U (en) | 2022-05-12 | 2022-05-12 | Table frame of electric lifting table and electric lifting table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217743513U true CN217743513U (en) | 2022-11-08 |
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ID=83886976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221157766.7U Active CN217743513U (en) | 2022-05-12 | 2022-05-12 | Table frame of electric lifting table and electric lifting table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217743513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024032826A1 (en) * | 2022-08-12 | 2024-02-15 | 南通市久正人体工学股份有限公司 | Electric height-adjustable desk |
-
2022
- 2022-05-12 CN CN202221157766.7U patent/CN217743513U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024032826A1 (en) * | 2022-08-12 | 2024-02-15 | 南通市久正人体工学股份有限公司 | Electric height-adjustable desk |
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