CN220800404U - Novel lifting workbench - Google Patents
Novel lifting workbench Download PDFInfo
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- CN220800404U CN220800404U CN202322281197.8U CN202322281197U CN220800404U CN 220800404 U CN220800404 U CN 220800404U CN 202322281197 U CN202322281197 U CN 202322281197U CN 220800404 U CN220800404 U CN 220800404U
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Abstract
The utility model discloses a novel lifting workbench, which comprises an upper platform, a lower platform and at least one group of lifting arms connected with the upper platform and the lower platform; each group of lifting arms comprises two upper supporting rods which are arranged in parallel, the upper ends of the two upper supporting rods are respectively and rotatably connected with a first hinging seat and a second hinging seat on the upper platform, and the lower ends of the two upper supporting rods are respectively connected with a first gear; the lower ends of the two lower support rods are respectively rotatably connected with a third hinging seat and a fourth hinging seat on the lower platform; the first gears at the lower ends of the two upper support rods are respectively meshed and driven with the second gears at the upper ends of the two lower support rods, and are used for driving the two lower support rods to synchronously rotate when the two upper support rods rotate; the lifting workbench further comprises a handle, and the handle is connected with a control valve of the gas spring through a brake cable. The novel lifting workbench has larger lifting stroke and larger upper platform height adjusting range.
Description
Technical Field
The application relates to the technical field of computer bearing equipment, in particular to a novel lifting workbench.
Background
The lifting workbench is used for bearing a tablet personal computer, is also called a lifting table, a desktop workbench, a lifting workbench or a desktop computer bracket and the like, is generally placed on a desktop or a table top, and can be lifted and adjusted in height when in use so as to meet the requirements of a healthy office mode that a user stands for office or stands for alternate office.
The lifting workbench of the related art, such as the lifting workbench in the prior patent application of the applicant with publication number CN110192719A, CN209463560U, CN209058287U or CN208783935U, generally comprises a lower platform, an upper platform and an X-shaped lifting arm arranged between the lower platform and the upper platform, wherein the lifting arm comprises two struts with middle parts hinged to form an X shape: the upper end of the first supporting rod is rotatably connected with the upper platform, and the lower end of the first supporting rod is in sliding fit on the lower platform; the lower end of the second supporting rod is rotatably connected with the lower platform, and the upper end of the second supporting rod is in sliding fit with the upper platform; the lifting workbench further comprises an elastic element, wherein the elastic element is generally a gas spring, one end of the gas spring is connected with the upper platform, the other end of the gas spring is connected with the lifting arm, and the gas spring is used for providing lifting force for lifting the upper platform and counteracting or partially counteracting the bearing of the upper platform. The lifting workbench of the related art controls the action of the gas spring through the brake cable and the spanner connected to the upper platform, so that the height of the upper platform can be adjusted.
The inventor finds that the lifting workbench of the related art has the following defects in the actual use process: the lifting workbench of the related art adopts an X-shaped lifting arm to adjust the height of the upper platform relative to the lower platform, the lifting height of the X-shaped lifting arm is influenced by the sliding distance of the lower end of the first supporting rod on the lower platform or the sliding distance of the upper end of the second supporting rod on the upper platform, the lifting stroke of the X-shaped lifting arm is usually caused to be smaller, the height adjusting range of the upper platform is smaller, and the requirement of a user with higher height cannot be met, for example, when the lifting workbench is at the maximum height, the lifting workbench cannot be matched with standing offices of the user with higher height.
Disclosure of utility model
The application aims to overcome the defects of the related art and provide a novel lifting workbench with larger lifting stroke and larger upper platform height adjusting range.
The technical scheme of the application is that a novel lifting workbench with the following structure is provided: it comprises
The lifting arm comprises an upper platform, a lower platform and at least one group of lifting arms, wherein the lifting arms are connected with the upper platform and the lower platform and are used for adjusting the height of the upper platform relative to the lower platform; each group of the lifting arms comprises
The upper ends of the two upper support rods are respectively and rotatably connected with a first hinging seat and a second hinging seat on the upper platform, and the lower ends of the two upper support rods are respectively connected with a first gear;
The two lower support rods are arranged in parallel and are respectively arranged corresponding to the two upper support rods; the upper ends of the two lower supporting rods are respectively connected with a second gear, and the lower ends of the two lower supporting rods are respectively and rotatably connected with a third hinging seat and a fourth hinging seat on the lower platform;
The first gears at the lower ends of the two upper support rods are respectively meshed with the second gears at the upper ends of the two lower support rods for transmission, and the first gears are used for driving the two lower support rods to synchronously rotate when the two upper support rods rotate;
One end of the gas spring is rotatably connected with the upper platform or the lower platform, and the other end of the gas spring is rotatably connected with the upper supporting rod or the lower supporting rod;
The lifting workbench further comprises a handle rotatably connected to the upper platform, and the handle is connected with a control valve of the gas spring through a brake cable and used for controlling the gas spring to act.
In some embodiments, each set of lifting arms further comprises a connecting rod, and two ends of the connecting rod are respectively rotatably connected with the central shafts of the first gears at the lower ends of the two upper support rods.
In some embodiments, the lifting arms are two groups, and the two groups of lifting arms are respectively connected to two sides of the bottom of the upper platform.
In some embodiments, a pull rod is connected between the two sets of lifting arms.
In some embodiments, the upper platform, the connecting rod, and the two upper struts together comprise a first parallelogram structure; the lower platform, the connecting rod and the two lower struts jointly form a second parallelogram structure; the first parallelogram structure and the second parallelogram structure are symmetrically arranged.
In some embodiments, a hollow first shaft is connected to the lower end of the upper support rod, and the first gear is connected to the first shaft; the upper end of the lower support rod is connected with a hollow second shaft, and the second gear is connected to the second shaft; the end face, close to the first gear, of the second gear is provided with a concave cavity for accommodating the first gear, and the inner peripheral wall of the concave cavity is provided with teeth meshed with the first gear; and the central holes of the first shaft and the second shaft are internally connected with a connecting shaft which enables the first shaft and the second shaft to be coaxially connected.
In some embodiments, the distance from the upper end of the upper support rod to the side of the upper platform close to the user is smaller than the distance from the lower end of the upper support rod to the side of the upper platform close to the user; the distance from the upper end of the lower support rod to one side of the upper platform close to the user is greater than the distance from the lower end of the lower support rod to one side of the upper platform close to the user.
In some embodiments, one end of the gas spring is rotatably connected with the first connecting point of the upper platform, the other end of the gas spring is rotatably connected with the second connecting point of the upper supporting rod, and the upper supporting rod is rotatably connected with the first hinging seat through the third connecting point; the first connecting point, the second connecting point and the third connecting point always form a triangle structure.
In summary, compared with the related art, the novel lifting workbench has the following advantages: the lifting arm between the upper platform and the lower platform of the lifting workbench is composed of two upper supporting rods which are arranged in parallel and two lower supporting rods which are arranged in parallel, the upper ends of the two upper supporting rods are respectively and rotatably connected with a first hinging seat and a second hinging seat on the upper platform, and the lower ends of the two lower supporting rods are respectively and rotatably connected with a third hinging seat and a fourth hinging seat on the lower platform; the lower ends of the two upper support rods and the upper ends of the two lower support rods are respectively meshed and transmitted through two groups of first gears and second gears, and when the gas spring is unfolded, the upper support rods or the lower support rods rotate, so that the upper support rods drive the lower support rods to synchronously rotate or the lower support rods drive the upper support rods to synchronously rotate and unfold; the novel lifting workbench has the advantages that the upper platform can be kept not to deviate transversely when rising or falling, the vertical lifting effect of the X-shaped lifting arm in the related art can be achieved, and the lifting arm is higher in rising height compared with the X-shaped lifting arm in the related art when rising and falling, so that the lifting stroke of the upper platform is larger, and the height adjusting range of the upper platform is larger. The novel air spring of the lifting workbench not only provides lifting force for lifting the lifting arm, but also can provide bearing for the upper platform, and the upper platform is controlled to rise through the handle and the brake cable so as to adjust the height, so that the novel air spring is simple and convenient to operate.
Drawings
Fig. 1 is a schematic structural view of a novel lifting table according to some embodiments of the present application.
Fig. 2 is another angular schematic view of a novel lifting table according to some embodiments of the present application.
Fig. 3 is a schematic bottom structural view of a novel lifting table according to some embodiments of the present application.
Fig. 4 is a schematic side view of a novel lifting platform according to some embodiments of the present application.
Fig. 5 is a schematic view of the structure of a lifting arm of a novel lifting table according to some embodiments of the present application.
Fig. 6 is a schematic diagram of an assembled structure of a lifting arm of a novel lifting table according to some embodiments of the application.
Fig. 7 is an enlarged schematic view of the portion a in fig. 6.
Reference numerals illustrate:
1. The device comprises an upper platform, 100, a first hinging seat, 101, a second hinging seat, 2, a lower platform, 200, a third hinging seat, 201, a fourth hinging seat, 3, a lifting arm, 300, a pull rod, 301, a first upper supporting rod, 302, a second upper supporting rod, 303, a first lower supporting rod, 304, a second lower supporting rod, 305, a connecting rod, 306, a first gear, 307, a second gear, 308, a concave cavity, 309, a connecting shaft, 4, a spanner, 5 and a gas spring.
Detailed Description
First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can adapt it as desired to suit a particular application.
In describing embodiments of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present application will be understood in detail by those of ordinary skill in the art.
In embodiments of the application, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The application will be described in further detail with reference to the drawings and the specific examples.
Referring to fig. 1 to 7, the embodiment of the application discloses a novel lifting workbench, which is also called a tabletop lifting workbench, a tabletop lifting table and the like, and structurally comprises an upper platform 1, a lower platform 2 and at least one group of lifting arms 3 which are connected with the upper platform 1 and the lower platform 2 and are used for adjusting the height of the upper platform 1 relative to the lower platform 2; the upper platform 1 is also called a table board, the bottom of the table board is connected with a frame, the lower platform 2 is also called a base, and in this embodiment, the lower platform 2 has a U-shaped structure and has two lower support boards arranged in parallel.
The lifting workbench of the embodiment further comprises a keyboard support, and the keyboard support is connected to one side, close to a user, of the upper platform 1 through a mounting seat.
As shown in fig. 1, the lifting arms 3 are used for adjusting the height of the upper platform 1 relative to the lower platform 2, in this embodiment, the lifting arms 3 are two groups, and the two groups of lifting arms 3 are respectively connected to two sides of the bottom of the upper platform 1; a pull rod 300 is connected between the two groups of lifting arms 3. The pull rod 300 can further ensure that the two groups of lifting arms 3 move synchronously; each group of lifting arms 3 comprises a gas spring 5, two upper struts arranged in parallel and two lower struts arranged in parallel, wherein the two upper struts arranged in parallel are a first upper strut 301 and a second upper strut 302, and the two lower struts arranged in parallel are a first lower strut 303 and a second lower strut 304; the upper ends of the two upper support rods are respectively and rotatably connected with the first hinging seat 100 and the second hinging seat 101 on the upper platform 1, namely the upper ends of the first upper support rod 301 and the second upper support rod 302 are respectively and rotatably connected with the first hinging seat 100 and the second hinging seat 101 through rotating shafts; the first lower supporting rod 303 and the second lower supporting rod 304 are respectively arranged corresponding to the first upper supporting rod 301 and the second upper supporting rod 302 and are respectively positioned below the first upper supporting rod 301 and the second upper supporting rod 302; the lower ends of the two lower support rods are respectively and rotatably connected with the third hinging seat 200 and the fourth hinging seat 201 on the lower platform 2, namely, the lower ends of the first lower support rod 303 and the second lower support rod 304 are respectively and rotatably connected with the third hinging seat 200 and the fourth hinging seat 201 through rotating shafts; in this embodiment, the first hinge base 100 and the second hinge base 101 are disposed on the frame at the bottom of the upper platform 1, and all extend downward, and the third hinge base 200 and the fourth hinge base 201 are disposed on the lower platform 2, and all extend upward; the first hinging seat 100 and the second hinging seat 101 on the upper platform 1 are correspondingly arranged with the third hinging seat 200 and the fourth hinging seat 201 on the lower platform 2 in the vertical direction; in this embodiment, the lower ends of the first upper supporting rod 301 and the second upper supporting rod 302 are respectively connected with a first gear 306, the upper ends of the first lower supporting rod 303 and the second lower supporting rod 304 are respectively connected with a second gear 307, and the two first gears 306 at the lower ends of the first upper supporting rod 301 and the second upper supporting rod 302 are respectively meshed with the two second gears 307 at the upper ends of the first lower supporting rod 303 and the second lower supporting rod 304 to drive the two lower supporting rods to synchronously rotate when the two upper supporting rods rotate; one end of the gas spring 5 is rotatably connected with the upper platform 1 or the lower platform 2, and the other end is rotatably connected with the upper supporting rod or the lower supporting rod; in this embodiment, one end of the gas spring 5 is rotatably connected to the upper platform 1, and the other end of the gas spring 5 is rotatably connected to the first upper strut 301.
In this embodiment, one end of the gas spring 5 is rotatably connected to the first connection point of the upper platform 1, and the other end is rotatably connected to the second connection point of the upper strut, and the upper strut is rotatably connected to the first hinge base 100 through the third connection point; the first connecting point, the second connecting point and the third connecting point always form a triangle structure. So arranged, the gas spring 5 provides torque to support the rotation of the upper strut even when the upper platform 1 is in the lowermost position.
It will be appreciated that in this embodiment, the lifting platform further comprises a handle rotatably connected to the upper platform 1, said handle being connected to the control valve of the gas spring 5 by a brake cable for controlling the action of the gas spring 5. The gas spring 5 is a controllable gas spring or a self-locking gas spring, a valve of the gas spring 5 is opened, the gas spring 5 is automatically unfolded, the valve of the gas spring 5 is opened, the upper platform 1 is pressed down forcefully, and the gas spring 5 can be contracted against the force of the gas spring 5; the gas spring 5 not only provides lifting force for lifting the lifting arm 3, but also can provide bearing for the upper platform 1 at different heights, and controls the upper platform 1 to lift through the handle and the brake cable so as to adjust the height, and the operation is simple and convenient. In the embodiment, the bottom of the upper platform 1 is connected with a rotating rod connected with a handle, the handle drives the rotating rod to synchronously rotate, and control valves of two gas springs 5 of two groups of lifting arms 3 are respectively connected with the rotating rod through brake cables, so that actions of the two gas springs 5 are synchronous; in addition, the valve action of the gas spring 5 is controlled by using the wrench 4 and the brake cable, which is a conventional technical means, and the present embodiment will not be described in detail.
Referring to fig. 1, 2 and 3 again, the lifting arm 3 between the upper platform 1 and the lower platform 2 of the lifting workbench is formed by two upper struts arranged in parallel and two lower struts arranged in parallel, the upper ends of the two upper struts are respectively and rotatably connected with the first hinging seat 100 and the second hinging seat 101 on the upper platform 1, and the lower ends of the two lower struts are respectively and rotatably connected with the third hinging seat 200 and the fourth hinging seat 201 on the lower platform 2; the lower ends of the two upper support rods and the upper ends of the two lower support rods are respectively meshed and transmitted through two groups of first gears 306 and second gears 307, and when the gas spring 5 is unfolded, the upper support rods rotate, so that the upper support rods drive the lower support rods to synchronously rotate and unfold; the upper platform 1 of the novel lifting workbench can be kept not to deviate transversely when ascending or descending, the vertical lifting effect of the X-shaped lifting arm 3 in the related art can be achieved, and the lifting arm 3 is higher in ascending height compared with the X-shaped lifting arm 3 in the related art when ascending and descending, so that the lifting stroke of the upper platform 1 is larger, and the height adjusting range of the upper platform 1 is larger.
Referring again to fig. 1, 2, 4 and 5, each set of lifting arms 3 further includes a connecting rod 305, and two ends of the connecting rod 305 are rotatably connected to central shafts of first gears 306 at lower ends of the two upper struts, respectively. The arrangement of the connecting rod 305 keeps the rotation of the two upper struts and the two lower struts synchronous; in this embodiment, the upper platform 1, the link 305 and the two upper struts together form a first parallelogram structure; the lower platform 2, the connecting rod 305 and the two lower struts together form a second parallelogram structure; the first parallelogram structure and the second parallelogram structure are symmetrically arranged. By the arrangement, the second parallelogram structure can make up the transverse offset when the first parallelogram structure is unfolded or folded, so that the upper platform 1 is always kept on the same vertical plane or always consistent with the distance of a user in the lifting process.
In this embodiment, in order to make the side of the lifting workbench close to the user have a larger activity space, the distance from the upper end of the upper support rod to the side of the upper platform 1 close to the user is smaller than the distance from the lower end of the upper support rod to the side of the upper platform 1 close to the user; the distance from the upper end of the lower support rod to the side, close to the user, of the upper platform 1 is larger than the distance from the lower end of the lower support rod to the side, close to the user, of the upper platform 1.
Referring to fig. 6 and 7, in the present embodiment, a first gear 306 at the lower end of the upper support rod is in meshed transmission with a second gear 307 at the upper end of the lower support rod, specifically, a hollow first shaft is connected to the lower end of the upper support rod, and the first gear 306 is connected to the first shaft; the upper end of the lower support rod is connected with a hollow second shaft, and the second shaft is connected with the second gear 307; a concave cavity 308 for accommodating the first gear 306 is formed in the end surface, close to the first gear 306, of the second gear 307, and teeth meshed with the first gear 306 are formed in the inner peripheral wall of the concave cavity 308; a connecting shaft 309 for coaxially connecting the first shaft and the second shaft is connected to the inside of the center hole of the first shaft and the second shaft. The structure between the upper support rod and the lower support rod is more compact, and the risk of exposing teeth of the gear can be avoided.
In the description of the embodiments of the present application, it should be noted that, in the description of the present application, terms such as "inner", "outer", and the like, refer to directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or components must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present application.
In the description of the present application, the descriptions of the terms "one embodiment," "some embodiments," "in this embodiment," "specific examples," or "some examples," etc., mean that a particular feature, mechanism, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, mechanisms, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (8)
1. The novel lifting workbench comprises an upper platform, a lower platform and at least one group of lifting arms which are connected with the upper platform and the lower platform and are used for adjusting the height of the upper platform relative to the lower platform; the method is characterized in that: each group of the lifting arms comprises
The upper ends of the two upper support rods are respectively and rotatably connected with a first hinging seat and a second hinging seat on the upper platform, and the lower ends of the two upper support rods are respectively connected with a first gear;
The two lower support rods are arranged in parallel and are respectively arranged corresponding to the two upper support rods; the upper ends of the two lower supporting rods are respectively connected with a second gear, and the lower ends of the two lower supporting rods are respectively and rotatably connected with a third hinging seat and a fourth hinging seat on the lower platform;
The first gears at the lower ends of the two upper support rods are respectively meshed with the second gears at the upper ends of the two lower support rods for transmission, and the first gears are used for driving the two lower support rods to synchronously rotate when the two upper support rods rotate;
One end of the gas spring is rotatably connected with the upper platform or the lower platform, and the other end of the gas spring is rotatably connected with the upper supporting rod or the lower supporting rod;
The lifting workbench further comprises a handle rotatably connected to the upper platform, and the handle is connected with a control valve of the gas spring through a brake cable and used for controlling the gas spring to act.
2. The novel lifting table according to claim 1, wherein: each group of lifting arms further comprises a connecting rod, and two ends of the connecting rod are respectively and rotatably connected with the central shafts of the first gears at the lower ends of the upper supporting rods.
3. The novel lifting table according to claim 2, wherein: the lifting arms are two groups, and the two groups of lifting arms are respectively connected to two sides of the bottom of the upper platform.
4. A novel lifting table according to claim 3, characterized in that: a pull rod is connected between the two groups of lifting arms.
5. The novel lifting table according to claim 2, wherein: the upper platform, the connecting rod and the two upper struts jointly form a first parallelogram structure; the lower platform, the connecting rod and the two lower struts jointly form a second parallelogram structure; the first parallelogram structure and the second parallelogram structure are symmetrically arranged.
6. The novel lifting table according to claim 1, wherein: the lower end of the upper supporting rod is connected with a hollow first shaft, and the first shaft is connected with the first gear; the upper end of the lower support rod is connected with a hollow second shaft, and the second gear is connected to the second shaft; the end face, close to the first gear, of the second gear is provided with a concave cavity for accommodating the first gear, and the inner peripheral wall of the concave cavity is provided with teeth meshed with the first gear; and the central holes of the first shaft and the second shaft are internally connected with a connecting shaft which enables the first shaft and the second shaft to be coaxially connected.
7. The novel lifting table according to claim 1, wherein: the distance from the upper end of the upper supporting rod to one side of the upper platform close to the user is smaller than the distance from the lower end of the upper supporting rod to one side of the upper platform close to the user; the distance from the upper end of the lower support rod to one side of the upper platform close to the user is greater than the distance from the lower end of the lower support rod to one side of the upper platform close to the user.
8. The novel lifting table according to claim 1, wherein: one end of the gas spring is rotatably connected with the first connecting point of the upper platform, the other end of the gas spring is rotatably connected with the second connecting point of the upper supporting rod, and the upper supporting rod is rotatably connected with the first hinging seat through a third connecting point; the first connecting point, the second connecting point and the third connecting point always form a triangle structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322281197.8U CN220800404U (en) | 2023-08-23 | 2023-08-23 | Novel lifting workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322281197.8U CN220800404U (en) | 2023-08-23 | 2023-08-23 | Novel lifting workbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220800404U true CN220800404U (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322281197.8U Active CN220800404U (en) | 2023-08-23 | 2023-08-23 | Novel lifting workbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220800404U (en) |
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2023
- 2023-08-23 CN CN202322281197.8U patent/CN220800404U/en active Active
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