CN210505370U - Five-section lifting upright post - Google Patents
Five-section lifting upright post Download PDFInfo
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- CN210505370U CN210505370U CN201921250427.1U CN201921250427U CN210505370U CN 210505370 U CN210505370 U CN 210505370U CN 201921250427 U CN201921250427 U CN 201921250427U CN 210505370 U CN210505370 U CN 210505370U
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Abstract
The utility model discloses a five sections lift stands, including lift assembly and five fall way that cup joint mutually, five fall ways are first fall way, second fall way, third fall way, fourth fall way and fifth fall way from inside to outside in proper order, and the lift assembly is fixed in the third fall way, and the lift assembly includes: go up drive assembly, lower drive assembly and drive assembly, the utility model discloses a fall way that five sections lift stands are different makes progress or downstream when the lift stand starts, and five fall ways of placing five sections lift stands on the mesa realize the visual while ascending for the elevating speed of lift stand is the many times of the lift stand of single silk pole subassembly, improves the whole elevating speed of lift stand.
Description
Technical Field
The utility model belongs to lift stand field, concretely relates to five sections lift stands.
Background
At present, drive assembly among the current lift stand realizes the lift of lift stand through the single silk pole subassembly of drive for the elevating speed of lift stand is too slow, goes up and down to appointed high overlength consuming time, and the lifting efficiency is low, and need just can realize going up and down to setting for the height to enough length that the fall way of each festival of lift stand set up, makes the lift stand length overlength that is in the contraction state, is not convenient for deposit and transport.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a five sections lift stands that go up and down fast are provided.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a five sections lift stands, includes lift assembly and five fall way that cup joint mutually, and five fall ways are first fall way, second fall way, third fall way, fourth fall way and fifth fall way from inside to outside in proper order, and lift assembly fixes in the third fall way, and lift assembly includes: the upper transmission assembly comprises an upper transmission inner screw rod assembly and an upper transmission outer screw rod assembly which are connected, the upper transmission inner screw rod assembly is connected with the second lifting pipe and used for driving the second lifting pipe to ascend, and the upper transmission outer screw rod assembly is connected with the first lifting pipe and used for driving the first lifting pipe to ascend; the lower transmission assembly comprises a lower transmission inner screw rod assembly and a lower transmission outer screw rod assembly which are connected, the lower transmission outer screw rod assembly is connected with the fourth lifting pipe and used for driving the fourth lifting pipe to descend, and the lower transmission inner screw rod assembly is connected with the fifth lifting pipe and used for driving the fifth lifting pipe to descend; and the driving assembly is respectively connected with the upper transmission assembly and the lower transmission assembly and is used for simultaneously driving the upper transmission assembly and the lower transmission assembly to operate.
Furthermore, the upper transmission inner screw rod component comprises an upper transmission inner screw rod connected with the driving component and an upper transmission inner nut in threaded connection with the upper transmission inner screw rod, and the upper transmission inner nut is connected with the second lifting pipe.
Furthermore, the upper transmission outer screw rod component comprises an upper transmission outer screw rod and an upper transmission outer nut in threaded connection with the upper transmission outer screw rod, the upper transmission outer screw rod is sleeved on the upper transmission inner screw rod and rotates together with the upper transmission inner screw rod through a spline, and the upper transmission outer nut is connected with the first lifting pipe.
Further, first fall way includes first body and locates the roof on the first body, and it links to each other with the roof to transmit outer nut through last transmission pipe on.
Furthermore, the lower transmission outer screw rod assembly comprises a lower transmission pipe connected with the driving assembly, a lower transmission outer screw rod and a lower transmission outer nut, wherein the lower transmission outer screw rod and the lower transmission pipe rotate together through splines to push the fourth lifting pipe to descend, the lower transmission outer screw rod is in threaded connection with the lower transmission outer screw rod, and the lower transmission outer nut is fixed on the third lifting pipe.
Furthermore, the lower transmission inner screw rod component comprises a lower transmission inner screw rod connected to the fifth lifting pipe and a lower transmission inner nut in threaded connection with the lower transmission inner screw rod, the lower transmission outer screw rod is sleeved outside the lower transmission inner screw rod, and the lower transmission inner nut is fixed at the bottom of the lower transmission outer screw rod and is linked with the lower transmission outer screw rod.
Further, the driving assembly comprises a motor and a reduction box which is simultaneously connected with the upper transmission assembly and the lower transmission assembly.
Furthermore, the reduction box comprises a worm gear device connected with the motor, a first transmission device connected with the upper transmission assembly and a second transmission device connected with the lower transmission assembly, and the second transmission device and the worm gear device are transmitted through the first transmission device.
Furthermore, the worm gear and worm device comprises a worm connected to the motor and a worm wheel connected with the worm, the first transmission device comprises a first bevel gear connected with the worm wheel, a second bevel gear meshed with the first bevel gear and a first transmission gear linked with the second bevel gear, and the second transmission device comprises a second transmission gear meshed with the first transmission gear.
Further, the third lifting pipe comprises a third pipe body and a bottom plate arranged at the bottom of the third pipe body, and the reduction gearbox is fixed on the bottom plate.
Compared with the prior art, the beneficial effects of the utility model are that:
by arranging five sections of lifting upright columns, when the driving assembly drives the upper transmission assembly and the lower transmission assembly simultaneously, the upper transmission inner screw rod assembly and the upper transmission outer screw rod assembly of the upper transmission assembly respectively push the first lifting pipe and the second lifting pipe to be upwards far away from the third lifting pipe, the lower transmission inner screw rod assembly and the lower transmission outer screw rod assembly of the lower transmission assembly respectively push the fourth lifting pipe and the fifth lifting pipe to be downwards far away from the third lifting pipe, the first lifting pipe and the second lifting pipe ascend relative to the third lifting pipe, the fourth lifting pipe and the fifth lifting pipe descend relative to the third lifting pipe, and the five lifting pipes of the five sections of lifting upright columns arranged on the table board realize visual simultaneous ascending, so that the lifting speed of the lifting upright columns is multiple times of the lifting upright columns of a single screw rod assembly, and the integral lifting speed of the lifting upright columns is improved under the condition that the output speed of the screw rod assembly is lower, and the different fall pipes of five sections of lift stands upwards or move downwards when the lift stand starts, five sections of fall pipes coincide or partial coincidence when the lift stand is in the shrink state, and every fall pipe need not to set up the overlength and can realize that the lift stand goes up and down to the settlement height, realizes the purpose of low installation distance high stroke promptly, is convenient for deposit and transportation of lift stand.
The features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments:
FIG. 1 is a perspective view of a five-section lifting column of the present invention;
FIG. 2 is a schematic view of a lift assembly;
FIG. 3 is a first schematic view of the connection of the gearbox, the upper transmission assembly and the lower transmission assembly;
FIG. 4 is a second schematic view of the connection of the gearbox, the upper transmission assembly and the lower transmission assembly;
fig. 5 is a first schematic sectional view of a five-section lifting column of the utility model;
fig. 6 is a schematic sectional view of a five-section lifting column of the utility model.
Description of the drawings:
110. a first elevator tube; 120. a second elevator tube; 130. a third lifting pipe; 140. a fourth lifting pipe; 150. a fifth elevation tube;
200. a motor;
300. a reduction gearbox; 311. a worm gear; 312. a worm; 321. a first bevel gear; 322. a second bevel gear; 323. a first drive gear; 331. a second transmission gear;
410. an inner transmission screw rod is arranged; 420. an inner nut is driven;
510. an outer transmission screw rod is arranged; 520. an outer nut is driven; 530. an upper transmission pipe;
610. a lower transmission inner screw rod; 620. lower driving inner nut;
710. a lower transmission outer screw rod; 720. a lower transmission external nut; 730. a lower drive tube.
810. A first spline; 820. a second spline.
Detailed Description
The utility model provides a five sections lift stands, includes lift assembly and five fall way that cup joint mutually, and five fall ways are first fall way, second fall way, third fall way, fourth fall way and fifth fall way from inside to outside in proper order, and lift assembly fixes in the third fall way, and lift assembly includes: the upper transmission assembly comprises an upper transmission inner screw rod assembly and an upper transmission outer screw rod assembly which are connected, the upper transmission inner screw rod assembly is connected with the second lifting pipe and used for driving the second lifting pipe to ascend, and the upper transmission outer screw rod assembly is connected with the first lifting pipe and used for driving the first lifting pipe to ascend; the lower transmission assembly comprises a lower transmission inner screw rod assembly and a lower transmission outer screw rod assembly which are connected, the lower transmission outer screw rod assembly is connected with the fourth lifting pipe and used for driving the fourth lifting pipe to descend, and the lower transmission inner screw rod assembly is connected with the fifth lifting pipe and used for driving the fifth lifting pipe to descend; and the driving assembly is respectively connected with the upper transmission assembly and the lower transmission assembly and is used for simultaneously driving the upper transmission assembly and the lower transmission assembly to operate. The utility model discloses a through setting up five sections of lift stands, when drive assembly drives transmission assembly and lower transmission assembly simultaneously, the first elevator pipe and second elevator pipe upwards keep away from the third elevator pipe respectively are promoted to the upper transmission inner screw rod subassembly and the upper transmission outer screw rod subassembly of upper transmission assembly respectively, the fourth elevator pipe and fifth elevator pipe downwards keep away from the third elevator pipe are promoted respectively to the lower transmission inner screw rod subassembly and the lower transmission outer screw rod subassembly of lower transmission assembly, first elevator pipe and second elevator pipe rise relative to the third elevator pipe, fourth elevator pipe and fifth elevator pipe descend relative to the third elevator pipe, five elevator pipes of five sections of lift stands placed on the mesa realize visual simultaneous rise, make the lifting speed of lift stand many times of the lift stand of single screw rod subassembly, under the lower condition of screw rod subassembly output speed, improve the whole lifting speed of lift stand, and the different fall pipes of five sections of lift stands upwards or move downwards when the lift stand starts, five sections of fall pipes coincide or partial coincidence when the lift stand is in the shrink state, and every fall pipe need not to set up the overlength and can realize that the lift stand goes up and down to the settlement height, realizes the purpose of low installation distance high stroke promptly, is convenient for deposit and transportation of lift stand.
The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating 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.
The first embodiment is as follows:
a five-section lifting upright column is shown in figure 1 and comprises a lifting assembly and five lifting pipes which are sleeved with each other, wherein the five lifting pipes are a first lifting pipe 110, a second lifting pipe 120, a third lifting pipe 130, a fourth lifting pipe 140 and a fifth lifting pipe 150 from inside to outside in sequence, the lifting assembly is fixed in the third lifting pipe 130 and is connected with the bottom wall of the third lifting pipe 130, and the lifting assembly comprises an upper transmission component, a lower transmission component and a driving component.
Wherein the driving assembly is respectively connected with the upper transmission assembly and the lower transmission assembly, as shown in fig. 2, 3 and 4, and is used for simultaneously driving the upper transmission assembly and the lower transmission assembly to operate. In this embodiment, the driving assembly includes a motor 200 that is electrically rotated and a reduction box 300 that drives the upper transmission assembly and the lower transmission assembly, the reduction box 300 includes a worm gear device connected to an output shaft of the motor 200, the worm gear device includes a worm 312 connected to the motor 200 and a worm wheel 311 connected to the worm 312, the rotation output by the motor 200 is decelerated, the rotation speeds of the upper transmission assembly and the lower transmission assembly are controlled within a suitable range, the reduction box 300 further includes a first transmission device and a second transmission device, the second transmission device and the worm gear device are transmitted through the first transmission device, so that the worm gear device is only connected to the first transmission device to simultaneously drive the first transmission device and the second transmission device to rotate, and the worm gear device does not need to be simultaneously connected to the first transmission device and the second transmission device, and the volume of the worm gear device is reduced. Preferably, in this embodiment, the first transmission device includes a first bevel gear 321 connected to the worm wheel 311, a second bevel gear 322 engaged with the first bevel gear 321, and a first transmission gear 323 interlocked with the second bevel gear 322, the second transmission device includes a second transmission gear 331 engaged with the first transmission gear 323, the worm gear is combined with the engaged first bevel gear 321 and the engaged second bevel gear 322, and the rotation direction of the output shaft of the motor 200 is adjusted, so that the output shaft of the motor 200 is parallel to the upper transmission assembly and the lower transmission assembly.
In this embodiment, as shown in fig. 5 and 6, the upper transmission assembly includes an upper transmission inner screw assembly and an upper transmission outer screw assembly, the upper transmission inner screw assembly is connected to the second elevator tube 120 for driving the second elevator tube 120 to ascend with respect to the third elevator tube 130, and the upper transmission outer screw assembly is connected to the first elevator tube 110 for driving the first elevator tube 110 to ascend with respect to the second elevator tube 120. The upper transmission inner screw rod assembly comprises an upper transmission inner screw rod 410 and an upper transmission inner nut 420, wherein the bottom of the upper transmission inner screw rod 410 is inserted into the second bevel gear 322 and rotates along with the second bevel gear 322, the upper transmission inner nut 420 is in threaded connection with the upper transmission inner screw rod 410, and the upper transmission inner nut 420 is fixed on the second lifting pipe 120, so that when the upper transmission inner screw rod 410 rotates, the upper transmission inner nut 420 can axially push the second lifting pipe 120 connected to the upper transmission inner nut 420. Go up the outer lead screw subassembly of transmission and include and transmit outer lead screw 510 and with last transmission outer lead screw 510 threaded connection's last transmission outer nut 520, go up transmission outer lead screw 510 and cup joint in last transmission on lead screw 410, go up transmission outer lead screw 510 and rotate with last transmission inner lead screw 410 jointly through the first spline 810 at top, go up transmission outer nut 520 and link to each other with first fall way 110, and is preferred, first fall way 110 includes first body and locates the roof on the first body, it links to each other with the roof to go up transmission outer nut 520 through last transmission pipe 530, goes up transmission outer nut 520 and fixes at last transmission pipe 530 inside.
In this embodiment, the lower transmission assembly includes a lower transmission inner screw rod assembly and a lower transmission outer screw rod assembly which are connected, the lower transmission outer screw rod assembly is connected with the fourth lifting pipe 140 for driving the fourth lifting pipe 140 to descend relative to the third lifting pipe 130, and the lower transmission inner screw rod assembly is connected with the fifth lifting pipe 150 for driving the fifth lifting pipe 150 to descend relative to the fourth lifting pipe 140. The lower transmission outer screw rod assembly comprises a lower transmission tube 730 connected with the second transmission gear 331, a lower transmission outer screw rod 710 and a lower transmission outer screw nut 720, wherein the lower transmission outer screw rod 710 and the lower transmission outer screw rod 730 rotate together to push the fourth lifting tube 140 to descend, the lower transmission outer screw nut 720 is in threaded connection with the lower transmission outer screw rod 710, the lower transmission outer screw nut 720 is fixed on the reduction gearbox 300, namely the lower transmission outer screw nut 720 is fixed on the third lifting tube 130, the fourth lifting tube 140 can be pushed along the axial direction when the lower transmission outer screw rod 710 rotates, the lower transmission outer screw rod 710 can be connected with the bottom wall of the fourth lifting tube 140 through a connecting structure, the lower transmission outer screw rod 710 and the connecting structure are fixed in the axial direction and can rotate relatively (the connecting structure can be the structure shown in fig. 6, and can also be a structure which can achieve the function arbitrarily such as a bearing, and the like), so. The lower transmission inner screw rod assembly comprises a lower transmission inner screw rod 610 connected to the fifth lifting pipe 150 and a lower transmission inner nut 620 in threaded connection with the lower transmission inner screw rod 610, the lower transmission outer screw rod 710 is sleeved outside the lower transmission inner screw rod 610, the lower transmission inner nut 620 is fixed at the bottom of the lower transmission outer screw rod 710 and is linked with the lower transmission outer screw rod 710, preferably, the top of the lower transmission pipe 730 and the top of the lower transmission outer screw rod 710 are transmitted through a second spline 820, the lower transmission inner screw rod 610 can be connected with the bottom wall of the fifth lifting pipe 150 through a connecting structure, the lower transmission inner screw rod 610 and the connecting structure are fixed in the axial direction and can rotate relatively (the connecting structure can be a structure shown in fig. 6, and can also be a structure which can achieve the function at will such as a bearing, and the lower transmission inner screw rod 610 does not drive the fifth lifting pipe 150 to rotate.
The working process of the lifting upright column is as follows:
the output shaft of the motor 200 rotates to drive the worm 312 to rotate, the worm 312 drives the worm wheel 311 to rotate, so as to reduce the rotating speed, the worm wheel 311 drives the first bevel gear 321 to rotate, the first bevel gear 321 drives the second bevel gear 322 to rotate through meshing, the second bevel gear 322 drives the upper transmission inner screw 410 to coaxially rotate, the upper transmission inner screw 410 rotates to drive the upper transmission inner nut 420 to axially move along the upper transmission inner screw 410, the upper transmission inner nut 420 drives the second lifting pipe 120 to move towards the upper part of the third lifting pipe 130 and upwards push the upper transmission outer screw 510, the upper transmission outer screw 510 rotates together with the upper transmission inner screw 410 while the upper transmission inner screw 410 rotates, the upper transmission outer screw 520 is driven to move axially along the upper transmission outer screw 510, and the upper transmission outer screw 520 pushes the first elevator pipe 110 upwards through the upper transmission pipe 530, so that the first elevator pipe 110 moves upwards relative to the second elevator pipe 120.
When the second bevel gear 322 drives the upper transmission inner screw rod 410 to rotate, the second bevel gear 322 also drives the first transmission gear 323 which coaxially rotates with the second bevel gear 322 to rotate, the first transmission gear 323 drives the second transmission gear 331 which is meshed with the first transmission gear 323 to rotate, the second transmission gear 331 drives the lower transmission pipe 730 to rotate, the lower transmission pipe drives the lower transmission outer screw rod 710 to rotate through the second spline 820, and because the lower transmission outer screw nut 720 is fixed on the third lifting pipe 130 and does not move up and down, the lower transmission outer screw rod 710 pushes the bottom wall of the fourth lifting pipe 140 along the axial direction, so that the fourth lifting pipe 140 moves below the third lifting pipe 130; while the lower driving outer screw 710 rotates, the lower driving inner nut 620 fixed to the bottom of the lower driving outer screw 710 rotates and descends together with the lower driving outer screw 710, so that the lower driving inner screw 610 pushes the fifth elevation tube 150 in the axial direction, and the fifth elevation tube 150 moves downward of the fourth elevation tube 140.
When the fifth elevator tube 150 is disposed on the platform, the effect of the first, second, and third and fourth elevator tubes 110, 120, 130, 140 moving upward simultaneously is visually created.
By arranging five sections of lifting upright columns, when the driving assembly drives the upper transmission assembly and the lower transmission assembly simultaneously, the upper transmission inner screw rod assembly and the upper transmission outer screw rod assembly of the upper transmission assembly respectively push the first lifting pipe 110 and the second lifting pipe 120 to be away from the third lifting pipe 130 upwards, the lower transmission inner screw rod assembly and the lower transmission outer screw rod assembly of the lower transmission assembly respectively push the fourth lifting pipe 140 and the fifth lifting pipe 150 to be away from the third lifting pipe 130 downwards, the first lifting pipe 110 and the second lifting pipe 120 are lifted relative to the third lifting pipe 130, the fourth lifting pipe 140 and the fifth lifting pipe 150 are lowered relative to the third lifting pipe 130, five lifting pipes of five sections of lifting upright columns placed on the table top realize visual simultaneous lifting, so that the lifting speed of the lifting upright columns is multiple times of the lifting upright columns of a single screw rod assembly, and under the condition that the output speed of the screw rod assembly is lower, the whole lifting speed of the lifting stand column is improved, the lifting pipes with the five sections of lifting stand columns are different move upwards or downwards when the lifting stand column is started, the five sections of lifting pipes coincide or partially coincide when the lifting stand column is in a contraction state, each lifting pipe does not need to be overlong, the lifting stand column can be lifted to a set height, the purpose of low installation distance and high stroke is achieved, and the lifting stand column is convenient to store and transport.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a five sections lift stands, its characterized in that, including lift assembly and five fall way that cup joint mutually, five the fall way is first fall way, second fall way, third fall way, fourth fall way and fifth fall way from inside to outside in proper order, lift assembly fixes in the third fall way, lift assembly includes:
the upper transmission assembly comprises an upper transmission inner screw rod assembly and an upper transmission outer screw rod assembly which are connected, the upper transmission inner screw rod assembly is connected with the second lifting pipe and used for driving the second lifting pipe to ascend, and the upper transmission outer screw rod assembly is connected with the first lifting pipe and used for driving the first lifting pipe to ascend;
the lower transmission assembly comprises a lower transmission inner screw rod assembly and a lower transmission outer screw rod assembly which are connected, the lower transmission outer screw rod assembly is connected with the fourth lifting pipe and used for driving the fourth lifting pipe to descend, and the lower transmission inner screw rod assembly is connected with the fifth lifting pipe and used for driving the fifth lifting pipe to descend;
and the driving assembly is respectively connected with the upper transmission assembly and the lower transmission assembly and is used for simultaneously driving the upper transmission assembly and the lower transmission assembly to operate.
2. The five-section lifting column according to claim 1, characterized in that: the upper transmission inner screw rod component comprises an upper transmission inner screw rod connected with the driving component and an upper transmission inner nut in threaded connection with the upper transmission inner screw rod, and the upper transmission inner nut is connected with the second lifting pipe.
3. The five-section lifting column according to claim 2, characterized in that: the outer lead screw subassembly of upper drive includes the outer lead screw of upper drive and with the outer lead screw threaded connection's of upper drive transmission outer nut, the outer lead screw of upper drive cup joints on the lead screw in the upper drive and rotates jointly through spline and upper drive inner screw, the outer nut of upper drive links to each other with first fall way.
4. The five-section lifting column according to claim 3, characterized in that: first fall way includes first body and locates the roof on the first body, go up the transmission outer nut and link to each other with the roof through last transmission pipe.
5. The five-section lifting column according to claim 1, characterized in that: the outer lead screw subassembly of underdrive includes the underdrive pipe that links to each other with drive assembly, rotates with underdrive pipe jointly through the spline in order to promote the outer lead screw of underdrive that the fourth fall way descends and with underdrive outer screw threaded connection's underdrive outer nut, the outer nut of underdrive is fixed on the third fall way.
6. The five-section lifting column according to claim 5, wherein: the lower transmission inner screw rod component comprises a lower transmission inner screw rod connected to the fifth lifting pipe and a lower transmission inner nut in threaded connection with the lower transmission inner screw rod, the lower transmission outer screw rod is sleeved outside the lower transmission inner screw rod, and the lower transmission inner nut is fixed at the bottom of the lower transmission outer screw rod and is linked with the lower transmission outer screw rod.
7. The five-section lifting column according to claim 1, characterized in that: the driving assembly comprises a motor and a reduction box which is simultaneously connected with the upper transmission assembly and the lower transmission assembly.
8. The five-section lifting column according to claim 7, wherein: the reduction gearbox comprises a worm gear device connected with the motor, a first transmission device connected with the upper transmission assembly and a second transmission device connected with the lower transmission assembly, and the second transmission device and the worm gear device are transmitted through the first transmission device.
9. The five-section lifting column according to claim 8, wherein: the worm and gear device comprises a worm connected to the motor and a worm wheel connected with the worm, the first transmission device comprises a first bevel gear connected with the worm wheel, a second bevel gear meshed with the first bevel gear and a first transmission gear linked with the second bevel gear, and the second transmission device comprises a second transmission gear meshed with the first transmission gear.
10. The five-section lifting column according to claim 7, wherein: the third lifting pipe comprises a third pipe body and a bottom plate arranged at the bottom of the third pipe body, and the reduction gearbox is fixed on the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921250427.1U CN210505370U (en) | 2019-08-02 | 2019-08-02 | Five-section lifting upright post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921250427.1U CN210505370U (en) | 2019-08-02 | 2019-08-02 | Five-section lifting upright post |
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| Publication Number | Publication Date |
|---|---|
| CN210505370U true CN210505370U (en) | 2020-05-12 |
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| CN201921250427.1U Active CN210505370U (en) | 2019-08-02 | 2019-08-02 | Five-section lifting upright post |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467127A (en) * | 2019-08-02 | 2019-11-19 | 浙江捷昌线性驱动科技股份有限公司 | A kind of five section lifting columns |
| CN114451751A (en) * | 2022-04-11 | 2022-05-10 | 常州市凯迪电器股份有限公司 | Drive assembly of linear driver, linear driver and electric lifting seat |
-
2019
- 2019-08-02 CN CN201921250427.1U patent/CN210505370U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467127A (en) * | 2019-08-02 | 2019-11-19 | 浙江捷昌线性驱动科技股份有限公司 | A kind of five section lifting columns |
| WO2021023166A1 (en) * | 2019-08-02 | 2021-02-11 | 浙江捷昌线性驱动科技股份有限公司 | Five-segment lifting column |
| CN114451751A (en) * | 2022-04-11 | 2022-05-10 | 常州市凯迪电器股份有限公司 | Drive assembly of linear driver, linear driver and electric lifting seat |
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