CN219125647U - Single-motor electric lifting table frame - Google Patents
Single-motor electric lifting table frame Download PDFInfo
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- CN219125647U CN219125647U CN202223060012.2U CN202223060012U CN219125647U CN 219125647 U CN219125647 U CN 219125647U CN 202223060012 U CN202223060012 U CN 202223060012U CN 219125647 U CN219125647 U CN 219125647U
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- lifting upright
- protection tube
- hole
- lifting
- transmission rod
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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Abstract
The utility model discloses a single-motor electric lifting table frame, which comprises two lifting upright posts: the two lifting upright posts are respectively provided with a mounting hole, and the inner wall of each mounting hole is provided with a radially inwards protruding clamping block; the driving motor is connected to the first lifting upright post through a motor bracket, and the motor bracket is provided with a jack coaxial with the mounting hole; the protection pipe is positioned between the motor bracket and the second lifting upright post, the protection pipe is sleeved on the transmission rod and is not contacted with the transmission rod, and a first clamping hole matched and clamped with the clamping block is formed in the first end of the protection pipe; the first end of the protection tube is inserted into the mounting hole of the second lifting upright post, the first clamping hole of the first end of the protection tube is clamped with the clamping block, and the second end of the protection tube is inserted into the jack. The single-motor electric lifting table frame enables the protection structure of the transmission rod to be installed simply and conveniently, and the protection structure can completely shield the transmission rod.
Description
Technical Field
The utility model relates to the technical field of electric lifting tables, in particular to a single-motor electric lifting table frame.
Background
The lifting desk is also called a learning desk or a lifting office desk, and can meet the health office requirements of standing and sitting alternate office by using lifting characteristics, so that more and more office workers select the lifting office desk to conduct office. The lifting table in the prior art generally comprises an electric lifting table and a manual lifting table, wherein the electric lifting table is driven by a motor to lift, and the manual lifting table is driven by a crank to lift. The electric lifting table adopts a lifting table driven by a single motor, and is also called a single motor lifting table; the structure of the lifting table comprises a table plate, a base and two lifting upright posts which are connected with the table plate and the base; the single-motor lifting table further comprises a driving motor, wherein the driving motor is arranged between the two lifting upright posts, a rotating shaft of the driving motor is in transmission connection with a transmission rod, two ends of the transmission rod are respectively in transmission connection with screw rod lifting mechanisms in the two lifting upright posts, the driving motor acts to drive the transmission rod to rotate, and accordingly the screw rod lifting mechanisms in the two lifting upright posts rotate to enable the two lifting upright posts to lift. In order to prevent foreign matters from being rolled into the transmission rod in the process of driving the transmission rod to rotate by the driving motor, or to ensure the safety of legs of a user below the table plate, the transmission rod is generally provided with a protection structure, and the protection structure is generally that a cover shell extending along the length direction of the transmission rod is arranged at the bottom of a cross beam, as in the prior application of the applicant with the publication number of CN212435466U, the cover shell is generally fixedly connected with a motor mounting frame or the bottom of the cross beam through a screw, and the cover shell is positioned at the bottom of the table plate, so that the mounting space is relatively narrow, and the user is inconvenient to operate when screwing the screw to assemble the cover shell by using a tool. In addition, the cover is only arranged below the transmission rod and is positioned at the middle part of the transmission rod, and the parts at the two ends of the transmission rod can not completely cover the transmission rod due to the limitation of the mounting position of the cover on the cross beam, so that potential safety hazards still exist.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides the single-motor electric lifting table frame which enables the protective structure of the transmission rod to be installed simply and conveniently and can completely shield the transmission rod.
The technical scheme of the utility model is that a single-motor electric lifting table frame with the following structure is provided:
it comprises
Two lifting columns: the lifting device comprises a first lifting upright post and a second lifting upright post, wherein linear driving devices for driving the lifting upright posts to lift are connected in the two lifting upright posts, mounting holes for exposing driving connecting ends of the linear driving devices are formed in two opposite inner side walls at the tops of the two lifting upright posts, and radially inwards-protruding clamping blocks are arranged on the inner walls of the mounting holes;
the transmission rod is arranged between the two lifting upright posts, and two ends of the transmission rod respectively penetrate through the two mounting holes and are connected with driving connecting ends of the linear driving devices in the two lifting upright posts;
the driving motor is arranged between the two lifting upright posts and connected to the first lifting upright post through a motor bracket, and is in transmission connection with the transmission rod and used for driving the transmission rod to rotate; the motor bracket is provided with a jack coaxial with the mounting hole;
the protection pipe is positioned between the motor bracket and the second lifting upright post, is sleeved on the transmission rod and is not contacted with the transmission rod, and a first clamping hole matched and clamped with the clamping block is formed in the first end of the protection pipe; the first end of the protection tube is inserted into the mounting hole of the second lifting upright post, the first clamping hole of the first end of the protection tube is clamped with the clamping block in the mounting hole, and the second end of the protection tube is inserted into the jack on the motor support.
Preferably, the end face of the first end of the protection tube is provided with a slot which extends along the length direction of the protection tube and is used for the insertion of the clamping block, the first end of the protection tube is provided with a lock hole which extends along the circumferential direction of the protection tube and is communicated with the inner end of the slot, and the slot and the lock hole form the first clamping hole; the slot at the first end of the protection tube is aligned with the clamping block of the mounting hole of the second lifting upright post and is inserted into the mounting hole, and then the clamping block is rotated by a certain angle to be placed in the lock hole, so that the first clamping hole is clamped with the clamping block.
Preferably, a limiting hole for connecting a locking screw is formed in the second end of the protection tube, and the limiting hole is positioned at the outer side of the jack of the motor bracket; when the second end of the protection tube is inserted into the jack, the locking screw abuts against the outer side wall of the motor bracket.
Preferably, a protection pipe is arranged between the motor bracket and the first lifting upright post, and the protection pipe is sleeved on the transmission rod; the first end of the protection pipe is provided with a second clamping hole which is matched and clamped with the clamping block, the first end of the protection pipe is inserted into the mounting hole of the first lifting upright post, the second clamping hole of the first end of the protection pipe is clamped with the clamping block in the mounting hole, and the second end of the protection pipe is inserted into the motor bracket; the second clamping holes are identical to the first clamping holes in shape and size.
Preferably, the upper ends of the two lifting upright posts are connected with two mounting plates which are symmetrically arranged and used for mounting the cross beam, the motor support is connected to the mounting plate at the upper end of the first lifting upright post, and the side wall of the motor support, which is close to one side of the second lifting upright post, is provided with the jack.
Preferably, the protection tube is a plastic or metal round tube.
Preferably, a pull rod is connected between the two lifting upright posts.
After the structure is adopted, compared with the prior art, the single-motor electric lifting table frame has the following advantages:
firstly, a protection tube is sleeved outside a transmission rod of the single-motor electric lifting table frame, a first end of the protection tube is clamped with a clamping block in a mounting hole of a second lifting upright post through a first clamping hole, and a second end of the protection tube is spliced with a jack of a motor bracket; therefore, when the protection tube is installed, the slot at the first end of the protection tube is only required to be aligned with the clamping block of the installation hole of the second lifting upright post and inserted into the installation hole, and then the clamping block is rotated by a certain angle to be placed into the lock hole, so that the connection between the first end of the protection tube and the second lifting upright post can be completed, the second end of the protection tube is inserted into the jack of the motor bracket, and the whole installation process is simple and convenient to operate and does not need to use a manual tool.
Furthermore, the side surface of the protection tube is sealed, so that the periphery of the driving rod can be protected, and the protection effect is good.
In addition, be equipped with the protection pipe between motor support and the first lift stand, the structure of this protection pipe is the same with the structure of protection pipe, and this protection pipe protects the transfer line between motor support and the first lift stand and exposes the part, and although the length of transfer line is shorter between motor support and the first lift stand, the setting of this protection pipe has also further improved the protection effect of transfer line.
The protection structure of the transmission rod comprises the protection tube and the protection tube, the first end of the protection tube is directly connected in the mounting hole of the second lifting upright post, and the first end of the protection tube is directly connected in the mounting hole of the first lifting upright post, so that the installation of the protection tube and the protection tube is not limited by the installation positions on the cross beams at the two ends of the transmission rod, the two ends of the transmission rod are prevented from being exposed, the transmission rod can be completely shielded by the protection structure, and the protection effect of the transmission rod is improved.
Drawings
Fig. 1 is a schematic structural view of a single motor electric lifting table frame of the present utility model.
Fig. 2 is a schematic view of another angle of a single motor electric lifting table frame according to the present utility model.
Fig. 3 is a schematic diagram of an assembly structure of a protection tube of a single-motor electric lifting table frame of the utility model.
Fig. 4 is another angle assembly schematic diagram of a protection tube of a single motor electric lifting table frame of the present utility model.
Fig. 5 is an enlarged schematic view of a portion a of the single motor electric lifting table frame in fig. 3 according to the present utility model.
As shown in the figure:
1. the device comprises a first lifting upright post, 100, a second lifting upright post, 101, a mounting plate, 102, a mounting hole, 103, a clamping block, 2, a transmission rod, 3, a protection tube, 300, a first clamping hole, 301, a limiting hole, 302, a slot, 303, a lock hole, 4, a driving motor, 400, a motor support, 401, a jack, 5, a protection tube, 500, a second clamping hole, 6 and a pull rod.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific examples.
Referring to fig. 1 to 5, the embodiment of the utility model discloses a single-motor electric lifting table frame, which is used for an electric lifting table driven by a single motor, and the structure of the single-motor electric lifting table frame comprises two lifting upright posts: the first lifting upright 1 and the second lifting upright 100 are connected with a linear driving device for driving the lifting upright to lift, the lifting upright of the embodiment comprises an inner pipe and an outer pipe, the outer pipe is sleeved on the inner pipe and can slide and stretch along the axial direction relative to the inner pipe, the linear driving device is connected in the inner pipe, and the linear driving device is also called a linear lifting mechanism, a linear push rod mechanism, a screw nut pair and the like; the linear driving device comprises a screw rod which is rotatably connected in the inner tube through a bearing; the screw rod is connected with a transmission nut in a threaded manner, the outer side wall of the transmission nut is connected with a supporting tube, and the lower end of the supporting tube is connected with the lower end of the outer tube; the screw rod rotates to enable the transmission nut and the supporting tube to move along the length direction of the screw rod, so that the outer tube slides relative to the inner tube, and the lifting upright post is lifted. The linear driving device is a linear driving device of the prior art, and this embodiment will not be described in detail. In this embodiment, in order to make the connection between the two lifting columns more stable, so as to improve the stability of the table frame, a pull rod 6 is connected between the two lifting columns, that is, two ends of the pull rod 6 are fixedly connected with the two lifting columns, so that the two lifting columns form an independent table frame.
The two opposite inner side walls at the top of the two lifting upright posts are respectively provided with a mounting hole 102 for exposing the driving connection end of the linear driving device, the driving connection end is also a central hole of a driving shaft arranged in the upper end of the inner tube of the lifting upright post, a gear is arranged on the driving shaft and meshed with the gear on the lead screw of the linear driving device, a transmission rod 2 is arranged in the central hole of the driving shaft in a penetrating way, and the driving shaft rotates along with the rotation of the transmission rod 2. That is, the transmission rod 2 is disposed between two lifting columns, and two ends of the transmission rod 2 respectively pass through the two mounting holes 102 and are connected with driving connection ends of the linear driving devices in the two lifting columns; the transmission rod 2 of the present embodiment is a transmission rod 2 having a polygonal cross section.
Referring to fig. 1 again, the single-motor electric lifting table frame of the present embodiment further includes a driving motor 4 disposed between the two lifting columns, the driving motor 4 is connected to the first lifting column 1 through a motor bracket 400, and the driving motor 4 is in transmission connection with the transmission rod 2, and is used for driving the transmission rod 2 to rotate; the motor bracket 400 is provided with a jack 401 coaxial with the mounting hole 102, and the aperture size of the jack 401 is the same as that of the mounting hole 102. In this embodiment, two mounting plates 101 symmetrically arranged and mounted by a beam are connected to the upper ends of the two lifting columns, a motor bracket 400 is connected to the mounting plate 101 at the upper end of the first lifting column 1, and the side wall of the motor bracket 400, which is close to one side of the second lifting column 100, is provided with the jack 401.
Referring to fig. 3 and 4, radially inward protruding clamping blocks 103 are arranged on the inner walls of the mounting holes 102 on the two opposite inner side walls of the upper ends of the two lifting columns; a protective tube 3 is arranged between the motor bracket 400 and the second lifting upright 100, and the protective tube 3 is sleeved on the transmission rod 2 and is not contacted with the transmission rod 2; the protection tube 3 of the embodiment is a plastic or metal round tube, and a first end of the protection tube 3 is provided with a first clamping hole 300 which is matched and clamped with the clamping block 103 in the mounting hole 102; the first end of the protection tube 3 is inserted into the mounting hole 102 of the second lifting upright 100, the first clamping hole 300 of the first end of the protection tube 3 is clamped with the clamping block 103 in the mounting hole 102, and the second end of the protection tube 3 is inserted into the insertion hole 401 on the motor bracket 400. Referring to fig. 5, an end surface of a first end of the protection tube 3 is provided with a slot 302 extending along a length direction of the protection tube 3 and into which the clamping block 103 is inserted, the first end of the protection tube 3 is provided with a lock hole 303 extending along a circumferential direction of the protection tube 3 and communicating with an inner end of the slot 302, and the slot 302 and the lock hole 303 form the first clamping hole 300; the slot 302 at the first end of the protection tube 3 is aligned with the fixture block 103 of the mounting hole 102 of the second lifting column 100, and is inserted into the mounting hole 102 and then rotated by a certain angle to enable the fixture block 103 to be placed into the lock hole 303, so that the first fixture hole 300 is in clamping connection with the fixture block 103.
When the protection tube 3 of this embodiment is installed, the protection tube 3 is sleeved on the transmission rod 2, then the slot 302 at the first end of the protection tube 3 is aligned with the fixture block 103 of the installation hole 102 of the second lifting column 100 and inserted into the installation hole 102, and then the fixture block 103 is rotated by a certain angle to be placed into the lock hole 303, so that the connection between the first end of the protection tube 3 and the second lifting column 100 can be completed, and the second end of the protection tube 3 is inserted into the jack 401 of the motor bracket 400, and the whole installation process is simple and convenient to operate without using a manual tool. In this embodiment, the length of the locking hole 303 is at least one quarter of the circumference of the protection tube 3, so that the locking between the locking hole 303 and the locking block 103 is more firm. Moreover, the side face of the protection tube 3 is sealed, so that the periphery of the transmission rod 2 can be protected, and the protection effect is good.
Referring again to fig. 4, as one embodiment of the present utility model; a limiting hole 301 for connecting a locking screw is formed in the second end of the protection tube 3, and the limiting hole 301 is positioned outside the jack 401 of the motor bracket 400; when the second end of the protection tube 3 is plugged into the jack 401, the locking screw abuts against the outer side wall of the motor bracket 400. After the protection tube 3 is installed, in order to avoid the protection tube 3 from falling off, a locking screw is connected with the inner thread of the limit hole 301 at the second end of the protection tube 3, and the locking screw abuts against the outer side wall of the motor bracket 400 to limit the axial movement of the protection tube 3.
In this embodiment, in order to further improve the protection effect of the protection structure of the transmission rod 2, the transmission rod 2 is fully shielded, a protection tube 5 is arranged between the motor bracket 400 and the first lifting upright 1, and the protection tube 5 is sleeved on the transmission rod 2; the first end of the protection pipe 5 is provided with a second clamping hole 500 which is matched and clamped with the clamping block 103, the first end of the protection pipe 5 is inserted into the mounting hole 102 of the first lifting upright 1, the second clamping hole 500 at the first end of the protection pipe 5 is clamped with the clamping block 103 in the mounting hole 102, and the second end of the protection pipe 5 is inserted into the motor bracket 400; wherein the second card hole 500 has the same shape and size as the first card hole 300. In essence, the protection tube 5 is the same as the protection tube 3, but the length is set shorter according to the requirement, the protection tube 5 protects the exposed part of the transmission rod 2 between the motor support 400 and the first lifting upright 1, although the length of the transmission rod 2 between the motor support 400 and the first lifting upright 1 is shorter, and the protection effect of the transmission rod 2 is further improved due to the arrangement of the protection tube 5. Moreover, the protection structure of the transmission rod 2 comprises the protection tube 3 and the protection tube 5, the first end of the protection tube 3 is directly connected in the mounting hole 102 of the second lifting upright 100, and the first end of the protection tube 5 is directly connected in the mounting hole 102 of the first lifting upright 1, so that the installation of the protection tube 3 and the protection tube 5 can not be limited by the installation positions on the cross beams at the two ends of the transmission rod 2, and the two ends of the transmission rod 2 are prevented from being exposed, so that the transmission rod 2 can be completely shielded by the protection structure, and the protection effect of the transmission rod 2 is improved.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (7)
1. A single motor electric lift table frame, its characterized in that: it comprises
Two lifting columns: the lifting device comprises a first lifting upright post and a second lifting upright post, wherein linear driving devices for driving the lifting upright posts to lift are connected in the two lifting upright posts, mounting holes for exposing driving connecting ends of the linear driving devices are formed in two opposite inner side walls at the tops of the two lifting upright posts, and radially inwards-protruding clamping blocks are arranged on the inner walls of the mounting holes;
the transmission rod is arranged between the two lifting upright posts, and two ends of the transmission rod respectively penetrate through the two mounting holes and are connected with driving connecting ends of the linear driving devices in the two lifting upright posts;
the driving motor is arranged between the two lifting upright posts and connected to the first lifting upright post through a motor bracket, and is in transmission connection with the transmission rod and used for driving the transmission rod to rotate; the motor bracket is provided with a jack coaxial with the mounting hole;
the protection pipe is positioned between the motor bracket and the second lifting upright post, is sleeved on the transmission rod and is not contacted with the transmission rod, and a first clamping hole matched and clamped with the clamping block is formed in the first end of the protection pipe; the first end of the protection tube is inserted into the mounting hole of the second lifting upright post, the first clamping hole of the first end of the protection tube is clamped with the clamping block in the mounting hole, and the second end of the protection tube is inserted into the jack on the motor support.
2. The single motor electric lift table frame of claim 1, wherein: the end face of the first end of the protection tube is provided with a slot which extends along the length direction of the protection tube and is used for the insertion of the clamping block, the first end of the protection tube is provided with a lock hole which extends along the circumferential direction of the protection tube and is communicated with the inner end of the slot, and the slot and the lock hole form a first clamping hole; the slot at the first end of the protection tube is aligned with the clamping block of the mounting hole of the second lifting upright post and is inserted into the mounting hole, and then the clamping block is rotated by a certain angle to be placed in the lock hole, so that the first clamping hole is clamped with the clamping block.
3. A single motor electric lift table frame as claimed in claim 2 wherein: a limiting hole for connecting a locking screw is formed in the second end of the protection tube, and the limiting hole is positioned at the outer side of the jack of the motor bracket; when the second end of the protection tube is inserted into the jack, the locking screw abuts against the outer side wall of the motor bracket.
4. A single motor electric lift table frame as claimed in claim 2 wherein: a protective pipe is arranged between the motor bracket and the first lifting upright post, and the protective pipe is sleeved on the transmission rod; the first end of the protection pipe is provided with a second clamping hole which is matched and clamped with the clamping block, the first end of the protection pipe is inserted into the mounting hole of the first lifting upright post, the second clamping hole of the first end of the protection pipe is clamped with the clamping block in the mounting hole, and the second end of the protection pipe is inserted into the motor bracket; the second clamping holes are identical to the first clamping holes in shape and size.
5. The single motor electric lift table frame of claim 1, wherein: the upper ends of the two lifting upright posts are connected with two mounting plates which are symmetrically arranged and used for mounting the cross beam, the motor support is connected to the mounting plate at the upper end of the first lifting upright post, and the side wall of the motor support, which is close to one side of the second lifting upright post, is provided with the jack.
6. The single motor electric lift table frame of claim 1, wherein: the protection tube is a plastic or metal round tube.
7. The single motor electric lift table frame of claim 1, wherein: a pull rod is connected between the two lifting upright posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223060012.2U CN219125647U (en) | 2022-11-17 | 2022-11-17 | Single-motor electric lifting table frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223060012.2U CN219125647U (en) | 2022-11-17 | 2022-11-17 | Single-motor electric lifting table frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219125647U true CN219125647U (en) | 2023-06-06 |
Family
ID=86597036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223060012.2U Active CN219125647U (en) | 2022-11-17 | 2022-11-17 | Single-motor electric lifting table frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219125647U (en) |
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2022
- 2022-11-17 CN CN202223060012.2U patent/CN219125647U/en active Active
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